CN104198149A - Rolling stone impacting scene simulation test device - Google Patents
Rolling stone impacting scene simulation test device Download PDFInfo
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- CN104198149A CN104198149A CN201410478241.7A CN201410478241A CN104198149A CN 104198149 A CN104198149 A CN 104198149A CN 201410478241 A CN201410478241 A CN 201410478241A CN 104198149 A CN104198149 A CN 104198149A
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- rolling stone
- sliding surface
- baffle plate
- overhead gage
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Abstract
The invention discloses a rolling stone impacting scene simulation test device. A rail component is composed of a rail and a bracket. The bracket is composed of a rear support, a connecting rod and a front support. One end of the connecting rod is connected with the rear support, and the other end of the connecting rod is connected with the front support. The rear support is composed of a telescopic column and a telescopic rod. The rail is composed of a rear sliding face and a front sliding face, the rear end of the rear sliding face is connected with the telescopic rod, and the front end of the rear sliding face is hinged with the front frame. The rear end of the front sliding face is hinged with the front frame, and the front end of the front sliding face is connected with the middle of the front support through a shrinking part. A stopping member comprises an upper retainer and a lower retainer which are connected through a compressing spring. A plurality of pressure sensors are arranged in a clearance which is formed between the upper retainer and the lower retainer. Area of the pressure sensors accounts for 1/4-3/4 of that of the upper retainer. A base bracket is composed of a telescopic part and a support. The one end of the telescopic part is rotationally connected with the lower retainer, and the other end of the telescopic part is fixedly connected with the support. By the use of the rolling stone impacting scene simulation test device, the falling impact of the rolling stones is simulated in a multi-angle manner, and an accurate theoretical reference is provided for rolling stone protection engineering.
Description
Technical field
The present invention relates to hazards control technical field, relate in particular to a kind of Rolling Stone and impact in-site modeling proving installation.
Background technology
In geologic hazard, landslide, avalanche, rubble flow can cause serious damage to public roadbed, and the measure that engineering bank protection is usually taked is slope protection and retaining structure protection.Slope protection has that mortar or tabia etc. are wiped one's face, whitewashing, pneumatically placed concrete, mortar flag stone revetment, shotcrete bank protection, anchor and spray net bank protection etc.Such measures mainly peels off in order to protect the domatic rock decay of excavation slope, brokenly fall and a small amount of falling rocks falls the phenomenons such as piece.The side slope of protecting, should have enough stability, first props up gear protect for unsettled side slope.Retaining structure type of protection is more, as retaining wall, anchored bolt retaining wall, friction pile etc.The existing protective action of these retaining structures, has again the effect of reinforcing slope body.Adopt engineering measure bank protection, often too pursue intensity effect, destroyed ecological natural, landscape effect is poor, and As time goes on, concrete surface, mortar flag stone face meeting weathering, aging, even damage, and later stage regulation expense is high.
Another large geologic hazard after landslide, avalanche, rubble flow is the Rolling Stone in side slope.Rolling Stone is in China mountain area, particularly western mountainous areas Highways ' is seen everywhere, distribution range is extremely wide, it occurs suddenly, frequency is high, hard to guard against, the various highway structures such as highway pavement, bridge, tunnel import and export, open cut tunnel, hangar tunnel and driving vehicle, passing crowd are caused to serious threat.
Nowadays the control structure of Rolling Stone is mainly contained: the prophylactico-therapeutic measuress such as active protecting net, passive protection net, Rolling Stone canopy, Rolling Stone barricade.For Important Sections, anti-Zhiduo County of Rolling Stone is adopted to Rolling Stone canopy safeguard structure, this structure can be prevented and treated the destruction of the important engineerings such as Rolling Stone road pavement, bridge floor, tunnel import and export, but, nonetheless, unpredictability due to rolling stone impact force, impact velocity, Rolling Stone weight, Rolling Stone projected angle of impact such as Rolling Stone are not quite similar, and Rolling Stone boron is also difficult to the fully effective Rolling Stone falling at a high speed that stops to be impacted.
Publication number is CN 2600801, the Chinese patent literature that open day is on 01 21st, 2004 discloses a kind of quartz piezoelectric force cell device, comprise substrate, panel, piezoelectric sensor, gauze screen, web member, stressed plate, it is characterized in that: between described substrate and panel, be evenly equipped with plural piezoelectric sensor, in the middle of piezoelectric sensor, have a through hole; Through hole connection substrate and the panel that substrate is interior, pass piezoelectric sensor imbedded in one end of described web member; Described gauze screen is clipped between the surface of contact of substrate, panel and piezoelectric sensor, envelopes piezoelectric sensor; Described stressed plate area is less than the distribution area of piezoelectric sensor, is fixed on panel.The disclosed quartz piezoelectric force cell device of this patent documentation, because gauze screen is clipped between the surface of contact of substrate, panel and piezoelectric sensor, gauze screen envelopes piezoelectric sensor, and gauze screen can exert an influence to piezoelectric sensor, and the data that cause piezoelectric sensor to be measured are inaccurate.
" experimental studies of impact force of falling stone computing method ", it is new etc. for poplar, railway society, the 18th the 1st phase of volume, 101-106 page, one piece of periodical literature in March, 1996 discloses a kind of test unit of studying impact force of falling stone, and specifically disclose, " with rope, control standing the dropping hammer of specified altitude assignment and position directly over stand soil box that be hung in, test-bed comprises bearing, the method of simulation hangar tunnel is freely-supported template, thick be on the steel plate of the poly (methyl methacrylate) plate of 1.5 centimetres and 0.2 cm thick, a 30*20*5 centimetre is set " organic glass groove, in groove, put into sand, according to buffer layer thickness, change and soil pressure distribution situation, explore the propagation of impact force of falling stone and the buffering mechanism of soil layer, bearing is connected with simply supported slab.In the disclosed machine glass guide channel of the document, put into sand, explore the propagation of impact force of falling stone and the buffering mechanism of soil layer, because sand is loose condition (of surface), drop hammer and can make sand further disperse to the impact of sand, the measuring and calculating difficulty of its cushion effect is large and accuracy is lower.
Publication number is CN 102435371A, within open day, is that the Chinese patent literature of on 05 02nd, 2012 discloses a kind of rolling stone impact force testing device, it is characterized in that, comprises bottom bracket, upper guard-plate, under shield; Upper guard-plate and under shield overlap, and connect by link; At link place, strong sensor is set; The upper surface of described upper guard-plate is provided with the cushion that resilient material forms, and described bottom bracket comprises angle regulator, and bottom bracket is connected with under shield.The disclosed rolling stone impact force testing device of this patent documentation, wherein the concrete distributing position of power sensor is indefinite, and power sensor specifically distributes and can impact test accuracy, Rolling Stone contact upper guard-plate center and surrounding, the rolling stone impact force of measuring is different, the gross data that causes whole proving installation to be measured is inaccurate, in addition, the impact velocity of Rolling Stone is difficult to simulation, the rolling stone impact force size that test is obtained also can exert an influence, cause whole proving installation can not accurately test out rolling stone impact force, cannot provide theoretical reference accurately for site operation engineering.
Summary of the invention
For solving the problems of the technologies described above, the present invention proposes a kind of Rolling Stone and impact in-site modeling proving installation, the present invention is by the impact velocity of track component simulated field Rolling Stone, the impulsive force that coordinates the parts simulated field Rolling Stone of blocking, the lower drop impact that simulates Rolling Stone that can multi-angle, thereby for on-the-spot Rolling Stone protection works provide theoretical reference accurately, save protection works construction cost.
For achieving the above object, the technical solution used in the present invention is:
A kind of Rolling Stone impacts in-site modeling proving installation, comprise the parts of blocking, it is characterized in that: also comprise the track component contacting with the parts of blocking, described track component is configured to propping up by track, described support is by rear stand, connecting link and front stand form, described connecting link one end is connected with rear stand, the other end is connected with front stand, described rear stand consists of telescopic mast and the expansion link being slidably connected in telescopic mast, described track consists of rear sliding surface and front sliding surface, described rear sliding surface rear end is fixedly connected with expansion link, front end and front stand are hinged, described advancing slip surface rear end and front stand are hinged, front end is connected by contractibility with front stand middle part, the described parts of blocking consist of overhead gage, lower baffle plate and bottom bracket, overhead gage is connected by stage clip with lower baffle plate, gapped between overhead gage and lower baffle plate, in described gap, be provided with a plurality of pressure transducers, a plurality of pressure transducers are distributed in lower baffle plate middle part, and a plurality of pressure transducer area occupied are the 1/4-3/4 of overhead gage area, and described bottom bracket consists of extensible member and support member, described extensible member one end and lower baffle plate are rotationally connected, and the other end is fixedly connected with support member.
Described contractibility comprises that handle, urceolus and interior spiral shell shrink connecting rod, interior spiral shell shrinks connecting rod and outer tube inner wall is threaded connection, interior spiral shell shrinks cover on connecting rod contraction spring, has a plurality of stopper slots on outer tube inner wall, and interior spiral shell contraction connecting rod runs through urceolus and is fixedly connected with handle.
Both sides on described rear sliding surface length direction are respectively arranged with rectangle backplate.
On described rear sliding surface, be provided with a plurality of blocks, block and rear sliding surface detachable connection of surface.
Described block is three, is triangularly arranged on rear sliding surface surface.
Described block is four, assumes diamond in shape and is arranged on rear sliding surface surface.
Both sides on described advancing slip length direction are respectively arranged with triangle baffle plate.
Described stage clip is positioned on the center line that overhead gage overlaps with lower baffle plate.
Gap length between described overhead gage and lower baffle plate is 3-8 centimetre.
Described pressure transducer is 4, and the spacing between any two adjacent pressure transducers is 25-35 centimetre, and 4 pressure transducers distribute and assume diamond in shape.
Described pressure transducer is 6, and the spacing between any two adjacent pressure transducers is 20-30 centimetre, and 6 pressure transducers distribute and are regular hexagon.
Described extensible member is " V " font, flexible guide and the first flexible guide rod and the second flexible guide rod that lay respectively in flexible guide two branch, consists of, and the first flexible guide rod and the second flexible guide rod are slidably connected with flexible guide respectively.
Described overhead gage surface is connected with cushion, and cushion is double-decker, the gravel bed of surperficial soil padding and bottom surface, consists of.
The thickness of described cushion is 5-10 centimetre.
Beneficial effect of the present invention is mainly manifested in the following aspects:
One, the present invention, track component is configured to propping up by track, support consists of rear stand, connecting link and front stand, and connecting link one end is connected with rear stand, and the other end is connected with front stand, rear stand consists of telescopic mast and the expansion link being slidably connected in telescopic mast, track consists of rear sliding surface and front sliding surface, and rear sliding surface rear end is fixedly connected with expansion link, and front end and front stand are hinged, advancing slip surface rear end and front stand are hinged, and front end is connected by contractibility with front stand middle part; By the telescopic mast of rear stand, can regulate the angle of inclination of rear sliding surface, simulate the difference whereabouts gradient of Rolling Stone, by contractibility, can further regulate the gradient of front sliding surface, simulate more accurately the final impact velocity of clashing into the parts of blocking of Rolling Stone; The parts of blocking consist of overhead gage, lower baffle plate and bottom bracket, overhead gage is connected by stage clip with lower baffle plate, stage clip can provide a cushion stroke for overhead gage, prevents that overhead gage moment from, by Rolling Stone impact failure, also can play effective protection to pressure transducer simultaneously; Gapped between overhead gage and lower baffle plate, in gap, be provided with a plurality of pressure transducers, a plurality of pressure transducers are distributed in lower baffle plate middle part, a plurality of pressure transducer area occupied are the 1/4-3/4 of overhead gage area, pressure transducer adopts this specific distribution, the position of can maximized simulated field Rolling Stone hitting overhead gage, thus guarantee that the Rolling Stone each time of measuring impacts the simulated data that produces all near real data, and test accuracy is higher; Bottom bracket consists of extensible member and support member, extensible member one end and lower baffle plate are rotationally connected, the other end is fixedly connected with support member, by regulating extensible member to drive lower baffle plate to rotate, indirectly drive overhead gage to rotate, realize the inclination of overhead gage, thereby realize the lower drop impact of simulating from different perspectives Rolling Stone; Adopt said structure to form a complete technical scheme, by the impact velocity of track component simulated field Rolling Stone, the impulsive force that coordinates the parts simulated field Rolling Stone of blocking, pressure transducer converts impulsive force to electric signal, by data acquisition unit, electric signal is converted into data, the lower drop impact that simulates Rolling Stone that can multi-angle, thus for on-the-spot Rolling Stone protection works provide theoretical reference data accurately, save protection works construction cost.
Two, the present invention, contractibility comprises that handle, urceolus and interior spiral shell shrink connecting rod, interior spiral shell shrinks connecting rod and outer tube inner wall is threaded connection, interior spiral shell shrinks cover on connecting rod contraction spring, on outer tube inner wall, have a plurality of stopper slots, interior spiral shell contraction connecting rod runs through urceolus and is fixedly connected with handle, adopt the contractibility of ad hoc structure, it is more easy to control that cooperation by contraction spring and stopper slot can make to shrink the contraction displacement of connecting rod, thereby meticulousr simulate the different Rolling Stone whereabouts gradients, for on-the-spot protection works construction provides gross data reference more accurately.
Three, the present invention, the both sides on rear sliding surface length direction are respectively arranged with rectangle backplate, and rectangle backplate can provide lateral support for the Rolling Stone of simulation, prevents from simulating Rolling Stone and skids off rear sliding surface, ensures carrying out smoothly of Rolling Stone simulation test.
Four, the present invention, is provided with a plurality of blocks on rear sliding surface, block and rear sliding surface detachable connection of surface, by setting up block, can simulate the obstruction that Rolling Stone is subject on ramp, change the falling speed of simulation Rolling Stone, thereby simulate different Rolling Stone impact velocitys.
Five, the present invention, block is three, is triangularly arranged on rear sliding surface surface, can change the whereabouts track of simulation Rolling Stone, simulates the difference whereabouts impact velocity of Rolling Stone, for the construction of postorder protection works provides gross data, supports.
Six, the present invention, block is four, assumes diamond in shape and is arranged on rear sliding surface surface, can further simulate the Rolling Stone formed complicated track that falls, and is beneficial to the accuracy that improves simulation Rolling Stone impact velocity.
Seven, the present invention, both sides on advancing slip length direction are respectively arranged with triangle baffle plate, and triangle baffle plate on the one hand can be for simulation Rolling Stone provides lateral support, on the other hand, can change the falling direction of simulation Rolling Stone, thereby simulate the Rolling Stone impact of friction speed.
Eight, stage clip is positioned on the center line that overhead gage overlaps with lower baffle plate, can provide better support for overhead gage, keeps the balance of overhead gage, is beneficial to the accuracy that improves Rolling Stone simulation test data.
Nine, the gap length between overhead gage and lower baffle plate is 3-8 centimetre, adopt the gap length of specific range, not only can guarantee that pressure transducer accurately records the suffered rolling stone impact force of overhead gage, and the cushion stroke of gap formation, can effectively avoid pressure transducer extruding impaired.
Ten, pressure transducer is 4, spacing between any two adjacent pressure transducers is 25-35 centimetre, 4 pressure transducers distribute and assume diamond in shape, employing rhombus distributes, Rolling Stone hits the impulsive force producing after overhead gage and can from each point, be recorded by 4 pressure transducers, is beneficial to and improves the rolling stone impact force data accuracy finally comprehensively recording.
11, pressure transducer is 6, spacing between any two adjacent pressure transducers is 20-30 centimetre, 6 pressure transducers distribute and are regular hexagon, adopt specific distance to coordinate orthohexagonal specific distribution, the impact area that Rolling Stone is produced overhead gage is dispersed on 6 pressure transducers more uniformly, it is more accurate that the average Rolling Stone that 6 pressure transducers are measured impacts data, for site operation provides favourable reference.
12, extensible member is " V " font, by flexible guide and the first flexible guide rod and the second flexible guide rod that lay respectively in flexible guide two branch, formed, the first flexible guide rod and the second flexible guide rod are slidably connected with flexible guide respectively, adopt the extensible member of this ad hoc structure, the first flexible guide rod and the second flexible guide rod be independent regulation respectively, not only can adjusted in concert the flexible height of the first flexible guide rod and the second flexible guide rod, and can be only by regulating the first flexible guide rod or the second flexible guide rod to produce difference in height, realize the inclination of lower baffle plate, simulate from different perspectives the impact of Rolling Stone, improve the accuracy of rolling stone impact force test data.
13, overhead gage surface is connected with cushion, cushion is double-decker, gravel bed by surperficial soil padding and bottom surface forms, setting by double-layer bumper layer is simulated field protection works surface more accurately, thereby record rolling stone impact force data more accurately, for site operation engineering provides foundation.
14, the thickness of cushion is 5-10 centimetre, adopt 5-10 centimetre of specific buffer layer thickness, on the one hand can simulated field protection works surface, on the other hand, can play good buffer action, overhead gage is damaged in the enormous impact that prevents Rolling Stone generation, guarantees normally carrying out of Rolling Stone simulation test.
Accompanying drawing explanation
Below in conjunction with specification drawings and specific embodiments, the present invention is described in further detail, wherein:
Fig. 1 is side structure schematic diagram of the present invention;
Fig. 2 is the structural representation of the embodiment of the present invention 1 middle orbit parts;
Fig. 3 is the structural representation of contractibility in the embodiment of the present invention 2;
Fig. 4 is the structural representation of the embodiment of the present invention 2 middle orbit parts;
Fig. 5 is the structural representation of the embodiment of the present invention 3 middle orbit parts;
Fig. 6 is the vertical view of overhead gage in the embodiment of the present invention 4;
Fig. 7 is the vertical view of overhead gage in the embodiment of the present invention 5;
Fig. 8 is the structural representation of parts of blocking in the embodiment of the present invention 5;
Fig. 9 is the structural representation of overhead gage in the embodiment of the present invention 6;
Mark in figure: 1, track, 2, rear stand, 3, connecting link, 4, front stand, 5, telescopic mast, 6, expansion link, 7, rear sliding surface, 8, front sliding surface, 9, contractibility, 10, overhead gage, 11, lower baffle plate, 12, bottom bracket, 13, stage clip, 14, pressure transducer, 15, extensible member, 16, support member, 17, handle, 18, urceolus, 19, interior spiral shell shrinks connecting rod, 20, contraction spring, 21, stopper slot, 22, rectangle backplate, 23, block, 24, triangle baffle plate, 25, flexible guide, 26, the first flexible guide rod, 27, the second flexible guide rod, 28, cushion, 29, soil padding, 30, gravel bed.
Embodiment
Embodiment 1
A kind of Rolling Stone impacts in-site modeling proving installation, comprise the parts of blocking, also comprise the track component contacting with the parts of blocking, described track component is configured to propping up by track 1, described support is by rear stand 2, connecting link 3 and front stand 4 form, described connecting link 3 one end are connected with rear stand 2, the other end is connected with front stand 4, described rear stand 2 consists of telescopic mast 5 and the expansion link 6 being slidably connected in telescopic mast 5, described track 1 consists of rear sliding surface 7 and front sliding surface 8, described rear sliding surface 7 rear ends are fixedly connected with expansion link 6, front end and front stand 4 are hinged, described front sliding surface 8 rear ends and front stand 4 are hinged, front end is connected by contractibility 9 with front stand 4 middle parts, the described parts of blocking consist of overhead gage 10, lower baffle plate 11 and bottom bracket 12, overhead gage 10 is connected by stage clip 13 with lower baffle plate 11, gapped between overhead gage 10 and lower baffle plate 11, in described gap, be provided with a plurality of pressure transducers 14, a plurality of pressure transducers 14 are distributed in lower baffle plate 11 middle parts, a plurality of pressure transducer 14 area occupied are the 1/4-3/4 of overhead gage 10 areas, described bottom bracket 12 consists of extensible member 15 and support member 16, described extensible member 15 one end and lower baffle plate 11 are rotationally connected, and the other end is fixedly connected with support member 16.
The present embodiment is the most basic embodiment, contractibility 9 and extensible member 15 are prior art, simple in structure, by the impact velocity of track component simulated field Rolling Stone, the impulsive force that coordinates the parts simulated field Rolling Stone of blocking, pressure transducer 14 converts impulsive force to electric signal, by data acquisition unit, electric signal is converted into data, the lower drop impact that simulates Rolling Stone that can multi-angle, thereby for on-the-spot Rolling Stone protection works provide theoretical reference data accurately, save protection works construction cost.
Embodiment 2
A kind of Rolling Stone impacts in-site modeling proving installation, comprise the parts of blocking, also comprise the track component contacting with the parts of blocking, described track component is configured to propping up by track 1, described support is by rear stand 2, connecting link 3 and front stand 4 form, described connecting link 3 one end are connected with rear stand 2, the other end is connected with front stand 4, described rear stand 2 consists of telescopic mast 5 and the expansion link 6 being slidably connected in telescopic mast 5, described track 1 consists of rear sliding surface 7 and front sliding surface 8, described rear sliding surface 7 rear ends are fixedly connected with expansion link 6, front end and front stand 4 are hinged, described front sliding surface 8 rear ends and front stand 4 are hinged, front end is connected by contractibility 9 with front stand 4 middle parts, the described parts of blocking consist of overhead gage 10, lower baffle plate 11 and bottom bracket 12, overhead gage 10 is connected by stage clip 13 with lower baffle plate 11, gapped between overhead gage 10 and lower baffle plate 11, in described gap, be provided with a plurality of pressure transducers 14, a plurality of pressure transducers 14 are distributed in lower baffle plate 11 middle parts, a plurality of pressure transducer 14 area occupied are the 1/4-3/4 of overhead gage 10 areas, described bottom bracket 12 consists of extensible member 15 and support member 16, described extensible member 15 one end and lower baffle plate 11 are rotationally connected, and the other end is fixedly connected with support member 16.
Described contractibility 9 comprises that handle 17, urceolus 18 and interior spiral shell shrink connecting rod 19, interior spiral shell shrinks connecting rod 19 and is threaded connection with urceolus 18 inwalls, interior spiral shell shrinks cover on connecting rod 19 contraction spring 20, on urceolus 18 inwalls, have a plurality of stopper slots 21, interior spiral shell contraction connecting rod 19 runs through urceolus 18 and is fixedly connected with handle 17.
Both sides on described rear sliding surface 7 length directions are respectively arranged with rectangle backplate 22.
On described rear sliding surface 7, be provided with three blocks 23, be triangularly arranged on rear sliding surface 7 surfaces, block 23 and surperficial detachable connection of rear sliding surface 7.
The present embodiment is a better embodiment, contractibility 9 comprises handle 17, urceolus 18 and interior spiral shell shrink connecting rod 19, interior spiral shell shrinks connecting rod 19 and is threaded connection with urceolus 18 inwalls, interior spiral shell shrinks cover on connecting rod 19 contraction spring 20, on urceolus 18 inwalls, have a plurality of stopper slots 21, interior spiral shell contraction connecting rod 19 runs through urceolus 18 and is fixedly connected with handle 17, adopt the contractibility 9 of ad hoc structure, it is more easy to control that cooperation by contraction spring 20 and stopper slot 21 can make to shrink the contraction displacement of connecting rod 19, thereby meticulousr simulate the different Rolling Stone whereabouts gradients, for on-the-spot protection works construction provides gross data reference more accurately, both sides on rear sliding surface 7 length directions are respectively arranged with rectangle backplate 22, and rectangle backplate 22 can provide lateral support for the Rolling Stone of simulation, prevents from simulating Rolling Stone and skids off rear sliding surface 7, ensures carrying out smoothly of Rolling Stone simulation test, three blocks 23 are set on rear sliding surface 7, be triangularly arranged on rear sliding surface 7 surfaces, block 23 and surperficial detachable connection of rear sliding surface 7, can change the whereabouts track of simulating Rolling Stone, simulate the difference whereabouts impact velocity of Rolling Stone, for the construction of postorder protection works provides gross data, support.
Embodiment 3
A kind of Rolling Stone impacts in-site modeling proving installation, comprise the parts of blocking, also comprise the track component contacting with the parts of blocking, described track component is configured to propping up by track 1, described support is by rear stand 2, connecting link 3 and front stand 4 form, described connecting link 3 one end are connected with rear stand 2, the other end is connected with front stand 4, described rear stand 2 consists of telescopic mast 5 and the expansion link 6 being slidably connected in telescopic mast 5, described track 1 consists of rear sliding surface 7 and front sliding surface 8, described rear sliding surface 7 rear ends are fixedly connected with expansion link 6, front end and front stand 4 are hinged, described front sliding surface 8 rear ends and front stand 4 are hinged, front end is connected by contractibility 9 with front stand 4 middle parts, the described parts of blocking consist of overhead gage 10, lower baffle plate 11 and bottom bracket 12, overhead gage 10 is connected by stage clip 13 with lower baffle plate 11, gapped between overhead gage 10 and lower baffle plate 11, in described gap, be provided with a plurality of pressure transducers 14, a plurality of pressure transducers 14 are distributed in lower baffle plate 11 middle parts, a plurality of pressure transducer 14 area occupied are the 1/4-3/4 of overhead gage 10 areas, described bottom bracket 12 consists of extensible member 15 and support member 16, described extensible member 15 one end and lower baffle plate 11 are rotationally connected, and the other end is fixedly connected with support member 16.
Described contractibility 9 comprises that handle 17, urceolus 18 and interior spiral shell shrink connecting rod 19, interior spiral shell shrinks connecting rod 19 and is threaded connection with urceolus 18 inwalls, interior spiral shell shrinks cover on connecting rod 19 contraction spring 20, on urceolus 18 inwalls, have a plurality of stopper slots 21, interior spiral shell contraction connecting rod 19 runs through urceolus 18 and is fixedly connected with handle 17.
Both sides on described rear sliding surface 7 length directions are respectively arranged with rectangle backplate 22.
On described rear sliding surface 7, be provided with four blocks 23, assume diamond in shape and be arranged in rear sliding surface 7 surfaces above, block 23 and surperficial detachable connection of rear sliding surface 7.
Both sides on described front sliding surface 8 length directions are respectively arranged with triangle baffle plate 24.
The present embodiment is another better embodiment, and block 23 is four, assumes diamond in shape that it is upper to be arranged in rear sliding surface 7 surfaces, can further simulate the Rolling Stone formed complicated track that falls, and is beneficial to the accuracy that improves simulation Rolling Stone impact velocity; Both sides on front sliding surface 8 length directions are respectively arranged with triangle baffle plate 24, and triangle baffle plate 24 can on the other hand, can change the falling direction of simulation Rolling Stone for simulation Rolling Stone provides lateral support on the one hand, thereby simulates the Rolling Stone impact of friction speed.
Embodiment 4
A kind of Rolling Stone impacts in-site modeling proving installation, comprise the parts of blocking, also comprise the track component contacting with the parts of blocking, described track component is configured to propping up by track 1, described support is by rear stand 2, connecting link 3 and front stand 4 form, described connecting link 3 one end are connected with rear stand 2, the other end is connected with front stand 4, described rear stand 2 consists of telescopic mast 5 and the expansion link 6 being slidably connected in telescopic mast 5, described track 1 consists of rear sliding surface 7 and front sliding surface 8, described rear sliding surface 7 rear ends are fixedly connected with expansion link 6, front end and front stand 4 are hinged, described front sliding surface 8 rear ends and front stand 4 are hinged, front end is connected by contractibility 9 with front stand 4 middle parts, the described parts of blocking consist of overhead gage 10, lower baffle plate 11 and bottom bracket 12, overhead gage 10 is connected by stage clip 13 with lower baffle plate 11, gapped between overhead gage 10 and lower baffle plate 11, in described gap, be provided with a plurality of pressure transducers 14, a plurality of pressure transducers 14 are distributed in lower baffle plate 11 middle parts, a plurality of pressure transducer 14 area occupied are the 1/4-3/4 of overhead gage 10 areas, described bottom bracket 12 consists of extensible member 15 and support member 16, described extensible member 15 one end and lower baffle plate 11 are rotationally connected, and the other end is fixedly connected with support member 16.
Described contractibility 9 comprises that handle 17, urceolus 18 and interior spiral shell shrink connecting rod 19, interior spiral shell shrinks connecting rod 19 and is threaded connection with urceolus 18 inwalls, interior spiral shell shrinks cover on connecting rod 19 contraction spring 20, on urceolus 18 inwalls, have a plurality of stopper slots 21, interior spiral shell contraction connecting rod 19 runs through urceolus 18 and is fixedly connected with handle 17.
Both sides on described rear sliding surface 7 length directions are respectively arranged with rectangle backplate 22.
On described rear sliding surface 7, be provided with four blocks 23, assume diamond in shape and be arranged in rear sliding surface 7 surfaces above, block 23 and surperficial detachable connection of rear sliding surface 7.
Both sides on described front sliding surface 8 length directions are respectively arranged with triangle baffle plate 24.
Described stage clip 13 is positioned on the center line that overhead gage 10 overlaps with lower baffle plate 11.
Gap length between described overhead gage 10 and lower baffle plate 11 is 3-8 centimetre.
Described pressure transducer 14 is 4, and the spacing between any two adjacent pressure transducers 14 is 25-35 centimetre, and 4 pressure transducers 14 distribute and assume diamond in shape.
The present embodiment is another better embodiment, and stage clip 13 is positioned on the center line that overhead gage 10 overlaps with lower baffle plate 11, can provide better support for overhead gage 10, keeps the balance of overhead gage 10, is beneficial to the accuracy that improves Rolling Stone simulation test data; Gap length between overhead gage 10 and lower baffle plate 11 is 3-8 centimetre, adopt the gap length of specific range, not only can guarantee that pressure transducer 14 accurately records the suffered rolling stone impact force of overhead gage 10, and the cushion stroke of gap formation, can effectively avoid pressure transducer 14 extruding impaired; Pressure transducer 14 is 4, spacing between any two adjacent pressure transducers 14 is 25-35 centimetre, 4 pressure transducers 14 distribute and assume diamond in shape, employing rhombus distributes, the impulsive force that Rolling Stone hits overhead gage 10 rear generations can be recorded from each point by 4 pressure transducers 14, is beneficial to and improves the rolling stone impact force data accuracy finally comprehensively recording.
Embodiment 5
A kind of Rolling Stone impacts in-site modeling proving installation, comprise the parts of blocking, also comprise the track component contacting with the parts of blocking, described track component is configured to propping up by track 1, described support is by rear stand 2, connecting link 3 and front stand 4 form, described connecting link 3 one end are connected with rear stand 2, the other end is connected with front stand 4, described rear stand 2 consists of telescopic mast 5 and the expansion link 6 being slidably connected in telescopic mast 5, described track 1 consists of rear sliding surface 7 and front sliding surface 8, described rear sliding surface 7 rear ends are fixedly connected with expansion link 6, front end and front stand 4 are hinged, described front sliding surface 8 rear ends and front stand 4 are hinged, front end is connected by contractibility 9 with front stand 4 middle parts, the described parts of blocking consist of overhead gage 10, lower baffle plate 11 and bottom bracket 12, overhead gage 10 is connected by stage clip 13 with lower baffle plate 11, gapped between overhead gage 10 and lower baffle plate 11, in described gap, be provided with a plurality of pressure transducers 14, a plurality of pressure transducers 14 are distributed in lower baffle plate 11 middle parts, a plurality of pressure transducer 14 area occupied are the 1/4-3/4 of overhead gage 10 areas, described bottom bracket 12 consists of extensible member 15 and support member 16, described extensible member 15 one end and lower baffle plate 11 are rotationally connected, and the other end is fixedly connected with support member 16.
Described contractibility 9 comprises that handle 17, urceolus 18 and interior spiral shell shrink connecting rod 19, interior spiral shell shrinks connecting rod 19 and is threaded connection with urceolus 18 inwalls, interior spiral shell shrinks cover on connecting rod 19 contraction spring 20, on urceolus 18 inwalls, have a plurality of stopper slots 21, interior spiral shell contraction connecting rod 19 runs through urceolus 18 and is fixedly connected with handle 17.
Both sides on described rear sliding surface 7 length directions are respectively arranged with rectangle backplate 22.
On described rear sliding surface 7, be provided with four blocks 23, assume diamond in shape and be arranged in rear sliding surface 7 surfaces above, block 23 and surperficial detachable connection of rear sliding surface 7.
Both sides on described front sliding surface 8 length directions are respectively arranged with triangle baffle plate 24.
Described stage clip 13 is positioned on the center line that overhead gage 10 overlaps with lower baffle plate 11.
Gap length between described overhead gage 10 and lower baffle plate 11 is 3-8 centimetre.
Described pressure transducer 14 is 6, and the spacing between any two adjacent pressure transducers 14 is 20-30 centimetre, and 6 pressure transducers 14 distribute and are regular hexagon.
Described extensible member 15 is " V " font, flexible guide 25 and the first flexible guide rod 26 and the second flexible guide rod 27 that lay respectively in flexible 25 liang of branch of guide, consists of, and the first flexible guide rod 26 and the second flexible guide rod 27 are slidably connected with flexible guide 25 respectively.
The present embodiment is another better embodiment, pressure transducer 14 is 6, spacing between any two adjacent pressure transducers 14 is 20-30 centimetre, 6 pressure transducers 14 distribute and are regular hexagon, adopt specific distance to coordinate orthohexagonal specific distribution, the impact area that Rolling Stone is produced overhead gage 10 is dispersed on 6 pressure transducers 14 more uniformly, and it is more accurate that the average Rolling Stone that 6 pressure transducers 14 are measured impacts data, for site operation provides favourable reference, extensible member 15 is " V " font, by flexible guide 25 and the first flexible guide rod 26 and the second flexible guide rod 27 that lay respectively in flexible 25 liang of branch of guide, formed, the first flexible guide rod 26 and the second flexible guide rod 27 are slidably connected with flexible guide 25 respectively, adopt the extensible member 15 of this ad hoc structure, the first flexible guide rod 26 and the second flexible guide rod 27 be independent regulation respectively, not only can adjusted in concert the flexible height of the first flexible guide rod 26 and the second flexible guide rod 27, and can be only by regulating the first flexible guide rod 26 or the second flexible guide rod 27 to produce difference in height, realize the inclination of lower baffle plate 11, simulate from different perspectives the impact of Rolling Stone, improve the accuracy of rolling stone impact force test data.
Embodiment 6
A kind of Rolling Stone impacts in-site modeling proving installation, comprise the parts of blocking, also comprise the track component contacting with the parts of blocking, described track component is configured to propping up by track 1, described support is by rear stand 2, connecting link 3 and front stand 4 form, described connecting link 3 one end are connected with rear stand 2, the other end is connected with front stand 4, described rear stand 2 consists of telescopic mast 5 and the expansion link 6 being slidably connected in telescopic mast 5, described track 1 consists of rear sliding surface 7 and front sliding surface 8, described rear sliding surface 7 rear ends are fixedly connected with expansion link 6, front end and front stand 4 are hinged, described front sliding surface 8 rear ends and front stand 4 are hinged, front end is connected by contractibility 9 with front stand 4 middle parts, the described parts of blocking consist of overhead gage 10, lower baffle plate 11 and bottom bracket 12, overhead gage 10 is connected by stage clip 13 with lower baffle plate 11, gapped between overhead gage 10 and lower baffle plate 11, in described gap, be provided with a plurality of pressure transducers 14, a plurality of pressure transducers 14 are distributed in lower baffle plate 11 middle parts, a plurality of pressure transducer 14 area occupied are the 1/4-3/4 of overhead gage 10 areas, described bottom bracket 12 consists of extensible member 15 and support member 16, described extensible member 15 one end and lower baffle plate 11 are rotationally connected, and the other end is fixedly connected with support member 16.
Described contractibility 9 comprises that handle 17, urceolus 18 and interior spiral shell shrink connecting rod 19, interior spiral shell shrinks connecting rod 19 and is threaded connection with urceolus 18 inwalls, interior spiral shell shrinks cover on connecting rod 19 contraction spring 20, on urceolus 18 inwalls, have a plurality of stopper slots 21, interior spiral shell contraction connecting rod 19 runs through urceolus 18 and is fixedly connected with handle 17.
Both sides on described rear sliding surface 7 length directions are respectively arranged with rectangle backplate 22.
On described rear sliding surface 7, be provided with four blocks 23, assume diamond in shape and be arranged in rear sliding surface 7 surfaces above, block 23 and surperficial detachable connection of rear sliding surface 7.
Both sides on described front sliding surface 8 length directions are respectively arranged with triangle baffle plate 24.
Described stage clip 13 is positioned on the center line that overhead gage 10 overlaps with lower baffle plate 11.
Gap length between described overhead gage 10 and lower baffle plate 11 is 3-8 centimetre.
Described pressure transducer 14 is 6, and the spacing between any two adjacent pressure transducers 14 is 20-30 centimetre, and 6 pressure transducers 14 distribute and are regular hexagon.
Described extensible member 15 is " V " font, flexible guide 25 and the first flexible guide rod 26 and the second flexible guide rod 27 that lay respectively in flexible 25 liang of branch of guide, consists of, and the first flexible guide rod 26 and the second flexible guide rod 27 are slidably connected with flexible guide 25 respectively.
Described overhead gage 10 surfaces are connected with cushion 28, and cushion 28 is double-decker, the gravel bed 30 of surperficial soil padding 29 and bottom surface, consist of.
The thickness of described cushion 28 is 5-10 centimetre.
The present embodiment is preferred forms, overhead gage 10 surfaces are connected with cushion 28, cushion 28 is double-decker, gravel bed 30 by surperficial soil padding 29 and bottom surface forms, setting by double-layer bumper layer 28 is simulated field protection works surface more accurately, thereby record rolling stone impact force data more accurately, for site operation engineering provides foundation; The thickness of cushion 28 is 5-10 centimetre, cushion 28 adopts 5-10 centimetre of specific thickness, on the one hand can simulated field protection works surface, on the other hand, can play good buffer action, prevent that the enormous impact of Rolling Stone generation from, by overhead gage 10 damages, guaranteeing normally carrying out of Rolling Stone simulation test.
The invention is not restricted to above-described embodiment; according to the description of above-described embodiment; those of ordinary skill in the art also can make some apparent changes to the present invention; as utilize single-chip microcomputer or the automatic adjusting of PLC to the angle of inclination of the automatic adjusting of front sliding surface 8 gradients and overhead gage 10; thereby simulate different temporary impact speed and the temporary impact dynamics of Rolling Stone, but within these changes all should fall into the protection domain of the claims in the present invention.
Claims (14)
1. a Rolling Stone impacts in-site modeling proving installation, comprise the parts of blocking, it is characterized in that: also comprise the track component contacting with the parts of blocking, described track component is by track (1) and be configured to, described support is by rear stand (2), connecting link (3) and front stand (4) form, described connecting link (3) one end is connected with rear stand (2), the other end is connected with front stand (4), described rear stand (2) is by telescopic mast (5) and be slidably connected at expansion link (6) formation in telescopic mast (5), described track (1) consists of rear sliding surface (7) and front sliding surface (8), described rear sliding surface (7) rear end is fixedly connected with expansion link (6), front end and front stand (4) are hinged, described front sliding surface (8) rear end and front stand (4) are hinged, front end is connected by contractibility (9) with front stand (4) middle part, the described parts of blocking are by overhead gage (10), lower baffle plate (11) and bottom bracket (12) form, overhead gage (10) is connected by stage clip (13) with lower baffle plate (11), gapped between overhead gage (10) and lower baffle plate (11), in described gap, be provided with a plurality of pressure transducers (14), a plurality of pressure transducers (14) are distributed in lower baffle plate (11) middle part, a plurality of pressure transducers (14) area occupied is the 1/4-3/4 of overhead gage (10) area, described bottom bracket (12) consists of extensible member (15) and support member (16), described extensible member (15) one end and lower baffle plate (11) are rotationally connected, the other end is fixedly connected with support member (16).
2. a kind of Rolling Stone impacts in-site modeling proving installation according to claim 1, it is characterized in that: described contractibility (9) comprises that handle (17), urceolus (18) and interior spiral shell shrink connecting rod (19), interior spiral shell shrinks connecting rod (19) and is threaded connection with urceolus (18) inwall, interior spiral shell shrinks the upper cover of connecting rod (19) contraction spring (20), on urceolus (18) inwall, have a plurality of stopper slots (21), interior spiral shell contraction connecting rod (19) runs through urceolus (18) and is fixedly connected with handle (17).
3. according to a kind of Rolling Stone described in claim 1 or 2, impact in-site modeling proving installation, it is characterized in that: the both sides on described rear sliding surface (7) length direction are respectively arranged with rectangle backplate (22).
4. a kind of Rolling Stone impacts in-site modeling proving installation according to claim 3, it is characterized in that: on described rear sliding surface (7), be provided with a plurality of blocks (23), block (23) and surperficial detachable connection of rear sliding surface (7).
5. a kind of Rolling Stone impacts in-site modeling proving installation according to claim 4, it is characterized in that: described block (23) is three, is triangularly arranged on rear sliding surface (7) surface.
6. a kind of Rolling Stone impacts in-site modeling proving installation according to claim 4, it is characterized in that: described block (23) is four, assumes diamond in shape and is arranged on rear sliding surface (7) surface.
7. a kind of Rolling Stone impacts in-site modeling proving installation according to claim 6, it is characterized in that: the both sides on described front sliding surface (8) length direction are respectively arranged with triangle baffle plate (24).
8. a kind of Rolling Stone impacts in-site modeling proving installation according to claim 7, it is characterized in that: described stage clip (13) is positioned on the center line that overhead gage (10) overlaps with lower baffle plate (11).
9. a kind of Rolling Stone impacts in-site modeling proving installation according to claim 8, it is characterized in that: the gap length between described overhead gage (10) and lower baffle plate (11) is 3-8 centimetre.
10. a kind of Rolling Stone impacts in-site modeling proving installation according to claim 9, it is characterized in that: described pressure transducer (14) is 4, spacing between any two adjacent pressure transducers (14) is 25-35 centimetre, and 4 pressure transducers (14) distribute and assume diamond in shape.
11. according to claim 9 a kind of Rolling Stone impact in-site modeling proving installation, it is characterized in that: described pressure transducer (14) is 6, spacing between any two adjacent pressure transducers (14) is 20-30 centimetre, and 6 pressure transducers (14) distribute and are regular hexagon.
12. impact in-site modeling proving installation according to a kind of Rolling Stone described in claim 11, it is characterized in that: described extensible member (15) is " V " font, by flexible guide (25) with lay respectively at the flexible guide rod (26) of first in flexible guide (25) two branch and the second flexible guide rod (27) forms, the first flexible guide rod (26) and second guide rod (27) that stretches is slidably connected with flexible guide (25) respectively.
13. impact in-site modeling proving installation according to a kind of Rolling Stone described in claim 12, it is characterized in that: described overhead gage (10) surface is connected with cushion (28), cushion (28) is double-decker, by gravel bed (30) formation of surperficial soil padding (29) and bottom surface.
14. impact in-site modeling proving installation according to a kind of Rolling Stone described in claim 13, it is characterized in that: the thickness of described cushion (28) is 5-10 centimetre.
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| CN113267310B (en) * | 2021-05-17 | 2023-05-23 | 湖北大学 | Transmission line tower impact test analysis method and system |
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Effective date of registration: 20180419 Address after: 130000 Comrade Street, Chaoyang District, Changchun, Changchun, Jilin Co-patentee after: Chengdu University of Technology Patentee after: Pei Xiangjun Address before: Three road 610059 Sichuan city of Chengdu province Chenghua District Erxian Qiaodong No. 1 Patentee before: Chengdu University of Technology |