CN105352716A - Anti-torsion test device for rubber shock-isolation bearer - Google Patents
Anti-torsion test device for rubber shock-isolation bearer Download PDFInfo
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- CN105352716A CN105352716A CN201510847586.XA CN201510847586A CN105352716A CN 105352716 A CN105352716 A CN 105352716A CN 201510847586 A CN201510847586 A CN 201510847586A CN 105352716 A CN105352716 A CN 105352716A
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- test device
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- torsion
- resistant test
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Abstract
The invention relates to the test technology field, and more specifically relates to an anti-torsion test device for a rubber shock-isolation bearer. The anti-torsion test device comprises an upper cross beam, a lower crossbeam, and two-dimension force transducers between the upper cross beam and the lower crossbeam. The upper cross beam and the lower crossbeam are movably connected through the two-dimension force transducers. The anti-torsion test device also comprises a ball screw and a bearer body. The balls crew is disposed on the top of the upper cross beam. The bearer body is disposed at the bottom of the lower cross beam. The anti-torsion test device further includes a turning angle instrument for testing the horizontal turning angle of the bearer body. The turning angle instrument is disposed on the top of the lower cross beam. The anti-torsion test device is used for a static test for test pieces with relatively low anti-torsion rigidity, can simultaneously test torque and vertical force and directly change vertical force into torque, is simple and direct, enables a test method to be greatly simplified, is highly practical, can be vertically connected to equipment by bolts, is convenient to mount and dismount, can be utilized repeatedly many times, has a simple and clear structure, is easy to manufacture, and is low in cost.
Description
Technical field
The present invention relates to experimental test technical field, be specifically related to a kind of rubber earthquake isolation support torsion resistant test device.
Background technology
Laminated rubber damping bearing its there is good horizontal deformation and horizontal energy consumption effect, simultaneously also there is good compressional stiffness, apply in architectural vibration-insulation layer, isolation bridge layer the destruction that effectively can alleviate earthquake and bring to building structure, bridge structure.But the horizontal torsion characteristic of shock insulation rubber bearing is also not very clear; if there is a kind of proving installation well to test out the torque characteristic of shock insulation rubber bearing; characteristic particularly under ultimate limit state, prevents the excessive destruction of causing of torsion to protection Seismic Isolation of Isolation Layer and superstructure and has very important significance.
Traditional torsion-testing apparatus, its testing range general is not very large, it is generally pure torsion test simultaneously, but shock insulation rubber bearing is different, general while bearing moment of torsion, carry larger vertical pressure, how testing shock-separating rubber support tests out its opposing moment of torsion while bearing larger pressure, proposes certain requirement by testing apparatus simultaneously.
To the problems referred to above, if develop a kind of conversion equipment, vertical force, while bearing vertical force, is converted to torsion-testing by this device simultaneously, conveniently can test out the opposing moment of torsion of shock insulation rubber bearing.
Summary of the invention
The object of the invention is to provide a kind of rubber earthquake isolation support torsion resistant test device for the deficiencies in the prior art, can vertical force be converted to horizontal moment of torsion, test vertical force and corner simultaneously, then torsional rigidity and the limit torsion capacity of shock insulation rubber bearing is calculated according to the moment of torsion tested out and torsion angle, method of testing is simply direct, and can repeatedly use, practical.
The present invention is achieved through the following technical solutions this object:
A kind of rubber earthquake isolation support torsion resistant test device, comprise entablature, sill and be arranged at the 2 D force sensor between the good sill of entablature, described entablature is flexibly connected by 2 D force sensor with sill, also comprise ball-screw, support body, described ball-screw is arranged at the top of entablature, described support body is arranged at the bottom of sill, also comprises the steering angle instrument of the level angle for support for testing body, and described steering angle instrument is arranged at the top of sill.
Wherein, described ball-screw comprises;
Lead screw shaft, it has spiral helicine ball rolling groove on outer peripheral face;
Nut, it has spiral helicine ball rolling groove on inner peripheral surface;
Load ball, its ball rolling groove being configured at ball rolling groove and the described nut making described lead screw shaft is relatively and in the raceway formed;
The one-body molded nut connecting plate be provided with for being connected with entablature in the outside of described nut, described nut connecting plate offers some bolt holes.
Wherein, the top of described lead screw shaft is provided with for the upper junction plate with equipment connection to be tested.
Wherein, the middle part of described entablature offers the hole of lower end for accommodating described lead screw shaft and described nut, and the periphery of described hole is provided with the bolt hole corresponding with described bolt hole.
Wherein, described 2 D force sensor comprises two, is arranged at respectively in the shrinkage pool at entablature, sill two ends.
Further, the bottom of described sill is provided with junction steel plate, the upper end of described support body is provided with the bearing upper junction plate be connected with described junction steel plate, the lower end of described support body be provided with for the bearing lower connecting plate establishing equipment connection to be measured.
Wherein, described junction steel plate, bearing upper junction plate, bearing lower connecting plate all offer some bolts hole.
Wherein, described steering angle instrument comprises connecting screw rod and is rotatably arranged at the corner test pointer on connecting screw rod, and the top of described sill offers the containing hole for accommodating described connecting screw rod.
Relative to prior art, beneficial effect of the present invention is:
1, rubber earthquake isolation support torsion resistant test device of the present invention is used for torsional rigidity compared with in the slow test of small specimen, can test moment of torsion and vertical force simultaneously, enormously simplify method of testing, practical.
2, rubber earthquake isolation support torsion resistant test device of the present invention is directly installed on below equipment to be tested, directly vertical force can be converted into moment of torsion, simply directly, and can repeatedly use.
3, rubber earthquake isolation support torsion resistant test device of the present invention can be connected with equipment is upper and lower by adopting bolt, installation, convenient disassembly.
4, rubber earthquake isolation support torsion resistant test device structure of the present invention is simple, clear, and easily make, cost is low.
Accompanying drawing explanation
Fig. 1 is the structural representation of rubber earthquake isolation support torsion resistant test device of the present invention.
Fig. 2 is the structural representation of ball-screw of the present invention.
Fig. 3 is the structural representation of entablature of the present invention.
Fig. 4 is the structural representation at another visual angle of entablature of the present invention.
Fig. 5 is the structural representation of sill of the present invention.
Fig. 6 is the structural representation of 2 D force sensor of the present invention.
Fig. 7 is the structural representation of steering angle instrument of the present invention.
In figure: 1-entablature, 11-hole, 12-bolt hole, 2-sill, 21-containing hole, 3-2 D force sensor, the upper pin of 31-, pin under 32-, 4-ball-screw, 41-lead screw shaft, 42-ball rolling groove, 43-nut, 44-load ball, 45-nut connecting plate, 46-bolt hole, 5-support body, 51-bearing upper junction plate, 52-bearing lower connecting plate, 6-steering angle instrument, 61-connecting screw rod, 62-corner test pointer, 7-upper junction plate, 8-shrinkage pool, 9-junction steel plate, 10-bolt.
Embodiment
Describe the present invention below in conjunction with drawings and the specific embodiments.
Embodiment 1.
As shown in Figure 1, a kind of rubber earthquake isolation support torsion resistant test device of the present embodiment, comprise entablature 1, sill 2 and be arranged at the 2 D force sensor 3 between the good sill 2 of entablature 1, described entablature 1 is flexibly connected by 2 D force sensor 3 with sill 2, also comprise ball-screw 4, support body 5, described ball-screw 4 is arranged at the top of entablature 1, described support body 5 is arranged at the bottom of sill 2, also comprise the steering angle instrument 6 for the level angle of support for testing body 5, described steering angle instrument 6 is arranged at the top of sill 2.
The present invention is used for torsional rigidity compared with in the slow test of small specimen, moment of torsion and vertical force can be tested simultaneously, directly vertical force is converted into moment of torsion, simply directly, enormously simplify method of testing, practical, can be connected with equipment is upper and lower by bolt 10, installation, convenient disassembly, and can repeatedly use structure simple, clear, easy making, cost is low.
As shown in Figure 2, described ball-screw 4 comprises:
Lead screw shaft 41, it has spiral helicine ball rolling groove 42 on outer peripheral face;
Nut 43, it has spiral helicine ball rolling groove 42 on inner peripheral surface;
Load ball 44, its ball rolling groove 42 being configured at ball the rolling groove 42 and described nut 43 making described lead screw shaft 41 is relatively and in the raceway formed;
The one-body molded nut connecting plate 45 be provided with for being connected with entablature 1 in the outside of described nut 43, described nut connecting plate 45 offers some bolt holes 46.
Wherein, the top of described lead screw shaft 41 is provided with for the upper junction plate 7 with equipment connection to be tested, is fixed in the middle of Devices to test in test process, is connected and fixed with the upper plate of Devices to test by described upper junction plate 7.
As shown in Figure 3-4, the middle part of described entablature 1 offers the hole 11 for accommodating described lead screw shaft 41 and described nut 43, and the periphery of described hole 11 is provided with the bolt hole 12 corresponding with described bolt hole 46.
As shown in Figure 6, described 2 D force sensor 3 comprises two, and upper and lower two ends are respectively arranged with pin 31, lower pin 32, is arranged at respectively in the shrinkage pool 8 at entablature 1, sill 2 two ends.
As shown in Figure 5, the bottom of described sill 2 is provided with junction steel plate 9, the upper end of described support body 5 is provided with the bearing upper junction plate 51 be connected with described junction steel plate 9, the lower end of described support body 5 be provided with for the bearing lower connecting plate 52 establishing equipment connection to be measured.
Wherein, described junction steel plate 9, bearing upper junction plate 51, bearing lower connecting plate 52 all offer some bolt 10 holes 12.
As shown in Figure 7, described steering angle instrument 6 comprises connecting screw rod 61 and is rotatably arranged at the corner test pointer 62 on connecting screw rod 61, and the top of described sill 2 offers the containing hole 21 for accommodating described connecting screw rod 61.
Assembly and connection principle in test process:
First, between the upper and lower base plate this device being positioned over equipment to be tested, bolt 10 is adopted to be connected described upper junction plate 7 and equipment upper plate, again the lead screw shaft 41 of ball-screw 4 and nut 43 entirety are positioned in the middle hole 11 of entablature 1, described nut connecting plate 45 is connected and fixed by bolt 10 with entablature 1; Then, the upper pin 31 of 2 D force sensor 3, lower pin 32 are distributed in the shrinkage pool 8 of insertion entablature 1, sill 2, the bearing upper junction plate 51 of support body 5 upper end is connected and fixed by bolt 10 and the junction steel plate 9 bottom sill 2, and the bearing lower connecting plate 52 of support body 5 upper end is connected and fixed by the lower shoe of bolt 10 with equipment to be tested; Finally, the containing hole 21 that the connecting screw rod 61 of steering angle instrument 6 is screwed in the middle part of sill 2 end face is gathered, form integrated testability device.
Test job principle in test process:
When treating testing apparatus and vertically pressurizeing, vertical force passes to load ball 44 by the lead screw shaft 41 of ball-screw 4, load ball 44 rolls in the raceway between lead screw shaft 41 and nut 43, form sliding torque, entablature 1 occurred level is driven to rotate, horizontally rotating of entablature 1 drives described 2 D force sensor 3 to rotate, 2 D force sensor 3 tests out vertical force and horizontal force while rotation, two dimension power passes sensor and again vertical force and horizontal force is transmitted a sill 2, sill 2 passes to junction steel plate 9 and support body 5 more successively, the steering angle instrument 6 being simultaneously positioned at sill 2 top tests out the level angle of support body 5, the horizontal force that the calculating of moment of torsion can test out according to 2 D force sensor 3 is multiplied by its distance to support body 5 center and can obtains, and test divided by steering angle instrument 6 torsional rigidity that the corner obtained can obtain shock insulation rubber bearing with moment of torsion.
The above embodiment only have expressed some embodiments of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (8)
1. a rubber earthquake isolation support torsion resistant test device, it is characterized in that: comprise entablature, sill and be arranged at the 2 D force sensor between the good sill of entablature, described entablature is flexibly connected by 2 D force sensor with sill, also comprise ball-screw, support body, described ball-screw is arranged at the top of entablature, described support body is arranged at the bottom of sill, also comprise the steering angle instrument of the level angle for support for testing body, described steering angle instrument is arranged at the top of sill.
2. rubber earthquake isolation support torsion resistant test device according to claim 1, is characterized in that: described ball-screw comprises:
Lead screw shaft, it has spiral helicine ball rolling groove on outer peripheral face;
Nut, it has spiral helicine ball rolling groove on inner peripheral surface;
Load ball, its ball rolling groove being configured at ball rolling groove and the described nut making described lead screw shaft is relatively and in the raceway formed;
The one-body molded nut connecting plate be provided with for being connected with entablature in the outside of described nut, described nut connecting plate offers some bolt holes.
3. rubber earthquake isolation support torsion resistant test device according to claim 2, is characterized in that: the top of described lead screw shaft is provided with for the upper junction plate with equipment connection to be tested.
4. according to rubber earthquake isolation support torsion resistant test device according to claim 2, it is characterized in that: the middle part of described entablature offers the hole for accommodating described lead screw shaft and described nut, and the periphery of described hole is provided with the bolt hole corresponding with described bolt hole.
5. rubber earthquake isolation support torsion resistant test device according to claim 1, is characterized in that: described 2 D force sensor comprises two, is arranged at respectively in the shrinkage pool at entablature, sill two ends.
6. rubber earthquake isolation support torsion resistant test device according to claim 1, it is characterized in that: the bottom of described sill is provided with junction steel plate, the upper end of described support body is provided with the bearing upper junction plate be connected with described junction steel plate, the lower end of described support body be provided with for the bearing lower connecting plate establishing equipment connection to be measured.
7. rubber earthquake isolation support torsion resistant test device according to claim 6, is characterized in that: described junction steel plate, bearing upper junction plate, bearing lower connecting plate all offer some bolts hole.
8. rubber earthquake isolation support torsion resistant test device according to claim 1, it is characterized in that: described steering angle instrument comprises connecting screw rod and is rotatably arranged at the corner test pointer on connecting screw rod, and the top of described sill offers the containing hole for accommodating described connecting screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510847586.XA CN105352716B (en) | 2015-11-26 | 2015-11-26 | A kind of rubber earthquake isolation support torsion resistant test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510847586.XA CN105352716B (en) | 2015-11-26 | 2015-11-26 | A kind of rubber earthquake isolation support torsion resistant test device |
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| Publication Number | Publication Date |
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| CN105352716A true CN105352716A (en) | 2016-02-24 |
| CN105352716B CN105352716B (en) | 2017-10-27 |
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| CN201510847586.XA Active CN105352716B (en) | 2015-11-26 | 2015-11-26 | A kind of rubber earthquake isolation support torsion resistant test device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285152A (en) * | 2016-10-18 | 2017-01-04 | 广州大学 | A kind of novel three-dimensional shock isolating pedestal |
| CN107314932A (en) * | 2017-06-16 | 2017-11-03 | 河海大学 | Modularization fatigue test place and corollary apparatus, fatigue test method |
| CN113432817A (en) * | 2021-06-02 | 2021-09-24 | 中国航空规划设计研究总院有限公司 | Equipment and method for mechanically detecting mechanical parameters of cultural relic shockproof device |
| CN107314932B (en) * | 2017-06-16 | 2024-04-12 | 河海大学 | Modularized fatigue test field, matched device and fatigue test method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285152A (en) * | 2016-10-18 | 2017-01-04 | 广州大学 | A kind of novel three-dimensional shock isolating pedestal |
| CN106285152B (en) * | 2016-10-18 | 2018-09-18 | 广州大学 | A kind of novel three-dimensional shock isolating pedestal |
| CN107314932A (en) * | 2017-06-16 | 2017-11-03 | 河海大学 | Modularization fatigue test place and corollary apparatus, fatigue test method |
| CN107314932B (en) * | 2017-06-16 | 2024-04-12 | 河海大学 | Modularized fatigue test field, matched device and fatigue test method |
| CN113432817A (en) * | 2021-06-02 | 2021-09-24 | 中国航空规划设计研究总院有限公司 | Equipment and method for mechanically detecting mechanical parameters of cultural relic shockproof device |
| CN113432817B (en) * | 2021-06-02 | 2022-06-24 | 中国航空规划设计研究总院有限公司 | Equipment and method for mechanically detecting mechanical parameters of cultural relic shockproof device |
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| CN105352716B (en) | 2017-10-27 |
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