EP0821752A1 - Brise-beton a machoires pourvu de cisailles - Google Patents
Brise-beton a machoires pourvu de cisaillesInfo
- Publication number
- EP0821752A1 EP0821752A1 EP97904291A EP97904291A EP0821752A1 EP 0821752 A1 EP0821752 A1 EP 0821752A1 EP 97904291 A EP97904291 A EP 97904291A EP 97904291 A EP97904291 A EP 97904291A EP 0821752 A1 EP0821752 A1 EP 0821752A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- scissors
- cutting
- arm
- cutting arm
- jaws
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 210000000078 claw Anatomy 0.000 title abstract 5
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
- E02F3/965—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements of metal-cutting or concrete-crushing implements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/08—Wrecking of buildings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/08—Wrecking of buildings
- E04G23/082—Wrecking of buildings using shears, breakers, jaws and the like
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/08—Wrecking of buildings
- E04G2023/086—Wrecking of buildings of tanks, reservoirs or the like
Definitions
- the invention relates to a concrete crushing tongs with cutting scissors and with a frame rotatably mounted on the excavator holder, on which the jaws forming the concrete crushing tongs are pivotally articulated and can be driven by means of a hydraulic piston / cylinder unit, a cutting arm of the scissors being rigidly connected to one of the jaws and the second cutting arm of the scissors is rigidly provided on the frame.
- one cutting arm of the scissors is formed by providing the cutting edge of the scissors on the back of the associated jaw of the concrete crushing tongs
- the second Arm of the scissors is formed by an arm rigidly arranged on the frame, which is located on the side thereof facing the cutting edge of the jaw.
- a movable crushing jaw is arranged opposite the crushing jaw side and is pivotably mounted on the frame of the pliers and a movable cutting arm on the side opposite the scissor cutting arm.
- Both the movable crushing jaw and the cutting arm of the scissors are designed as two-armed levers, with a hydraulic piston-cylinder unit acting on the free ends of these two levers, etc. such that a closing movement of the crusher or cutting shears is achieved when the piston extends from the cylinder.
- the device that is not required is locked by means of a bolt lock. This either requires a special actuation device for each of the bolt locks or the excavator driver has to get out for the respective changeover, insert the required bolt lock and release the other bolt lock.
- the movable cutting arm of the scissors is arranged as an additional arm on the associated jaw of the concrete crushing tongs, the movable cutting arm being arranged in relation to the fixed cutting arm in the same orientation as the jaw carrying the movable cutting arm in relation to the second jaw of the concrete crusher opposite.
- the movable cutting arm of the scissors can be formed in one piece with the associated jaws of the jaw crusher, whereby a very robust, not susceptible to failure is achieved.
- the opening of the scissors can be approximately transverse to the opening of the pliers, which has the advantage that when the scissors are pivoted in the working direction, the pliers do not hinder the gripping or cutting movement. The same also applies to the concrete crushing tongs in relation to the cutting shears, since the cutting shears are pivoted out of the working area when the concrete crushing tongs are in the working position.
- Fig. 1 shows a first embodiment in front view, the end of the excavator boom is also shown for illustration.
- Fig. 2 shows the same embodiment with the jaws and the scissors in the closed position in rear view, with the excavator boom and the upper part of the connecting device being omitted.
- FIG. 4 shows an illustration analogous to FIG. 3, but again with the frame closed
- FIG. 5 is an end view of the embodiment according to FIG. 4.
- FIG. 6 illustrates another embodiment in a representation analogous to FIG. 4.
- FIG. 7 shows the representation of FIG. 6 with the front plate of the frame removed. With 1 the end of an excavator boom is designated, on which one
- Coupling 2 a coupling body 3 is attached, which at its end facing away from the coupling 2 rotates a swivel joint 4, which carries the coupling body 3 with a frame 5 of the concrete crushing tongs according to the invention with cutting scissors.
- the swivel joint is used to twist the concrete crusher with cutting shears and the excavator boom.
- the frame 5 has a front cover plate 6 and a rear cover plate 7, between which jaws 8, 9 are mounted for breaking concrete via pivot axes 10, 11.
- These two jaws can be pivoted relative to one another via a hydraulic piston / cylinder unit 12, 13, 14, the hydraulic piston / cylinder unit acting on the jaws via pivot pins 15, 16.
- the jaws 8, 9 thus form two-armed levers, of which the front is used for breaking concrete and the hydraulic piston / cylinder unit 12, 13, 14 engages at the other end via the pivot pins 15, 16 already mentioned.
- a cutting arm 17 Fixed on the frame 5, in the present case on the rear cover plate 7, a cutting arm 17 is rigidly attached, which carries a cutting edge 18 which interacts with cutting edges 20, 21 attached to the second cutting arm 19 for cutting metal reinforcements.
- the second cutting arm 19 is made in one piece with the jaw 8 of the concrete crushing tongs, and of course could be attached to it in the same way using conventional connecting means.
- the cutting edges 20, 21 have an obtuse angle to one another, etc. such that the opening angle of the cutting edge 21 closer to the tip of the cutting arm 19 is smaller than that of the cutting edge 20, so that when cutting metal reinforcements it is prevented that the material to be cut can slip out of the scissors.
- a pickup 27 for material to be cut is provided at the outermost end of the cutting arm 17 at the outer end of the cutting edge 18, which protrudes beyond the cutting arm 17 in the direction of the other cutting arm 19 , wherein the foremost edge of the pickup 27 is connected to the cutting edge 18 via an inclined surface which, when the scissors are closed, deflects the material to be cut lying against the front end of the pickup 27 to the rear.
- the movements of the jaws 8, 9 are controlled by stops, one of the jaws, in the present case an elongated circular hole 23, which is penetrated by a stop pin 22, the ends of the elongated hole limiting the movement of the jaw 9.
- the jaw 8, however, has a stop lug 24, which in the open state on a stop 26 and in closed state abuts a stop 25.
- the limit stop of the jaws 8, 9 is provided because the hydraulic piston / cylinder unit 12, 13, 14 is freely suspended between the two jaws, so that the stops have the effect that the jaws 8, 10 are in the open position as well as in the closed position. 9 are always in the same mutual position.
- the movement of the cutting arm 19 formed in one piece with the jaw 8 is also controlled via the stop lug 24 and the stops 25, 26, so that this stop also determines the respective positions of the cutting scissors.
- the pressure is applied to close the jaws 8, 9 and thus also to close the scissors 17, 19 such that the space in front of the piston 13 of the cylinder 12 is pressurized, i.e. that cylinder space which is opposite the piston rod 14.
- This ensures that the entire piston surface is pressurized during the closing movement of both the jaws 8, 9 of the concrete crushing tongs and the cutting arms 17, 19 of the cutting shears, so that higher cutting forces can be applied.
- the cylinder space lying behind the piston 13 and penetrated by the piston rod 24 is pressurized only for the opening movement, i.e. in a movement in which there is no back pressure or almost no back pressure, so that the smaller available piston area is already sufficient to apply pressure and also the passage of the piston rod 14 through the bottom of the cylinder 12 is only loaded with the lower pressure necessary for the opening movement.
- the opening of the cutting scissors points laterally away from the crushing tongs approximately transversely to the opening of the crushing tongs, wherein, as can be seen in particular from FIG. 5, the cutting scissors are arranged in the same plane as the crushing tongs.
- Such a design has the advantage that the tool that is not in use protrudes laterally from the tool in use, so that the two tools can be used without mutual interference or hindrance.
- the opening of the cutting scissors only points away from the opening of the crushing tongs at a slight acute angle, so that both tools are arranged next to one another in one plane.
Abstract
L'invention concerne un brise-béton à mâchoires pourvu de cisailles et d'un bâti monté pivotant sur la partie de fixation du bras d'excavateur. Les mâchoires constituant le brise-béton sont articulées sur ledit bâti de façon à pouvoir pivoter et peuvent être entraînées au moyen d'un ensemble piston/cylindre hydraulique. Un bras de coupe des cisailles est relié rigidement à l'une des mâchoires et le second bras de coupe des cisailles est fixé rigidement au bâti. Le bras de coupe mobile (19, 19') des cisailles est monté en tant que bras additionnel sur la mâchoire (8) associées du brise-béton à mâchoire (8, 9), ce bras de coupe mobile (19, 19') ayant la même orientation sur le bras de coupe fixe (17, 17') que la mâchoire (8), laquelle soutient l'arbre de coupe mobile (19, 19'), par rapport à la deuxième mâchoire (9) du brise-béton (8, 9) opposée à celle-ci.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0027296A AT403491B (de) | 1996-02-15 | 1996-02-15 | Betonbrechzange mit schneidschere |
AT272/96 | 1996-02-15 | ||
US08/677,133 US5704560A (en) | 1996-02-15 | 1996-07-09 | Concrete crusher with cutting shears |
PCT/AT1997/000027 WO1997030232A1 (fr) | 1996-02-15 | 1997-02-13 | Brise-beton a machoires pourvu de cisailles |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0821752A1 true EP0821752A1 (fr) | 1998-02-04 |
Family
ID=25592130
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97904291A Withdrawn EP0821752A1 (fr) | 1996-02-15 | 1997-02-13 | Brise-beton a machoires pourvu de cisailles |
Country Status (5)
Country | Link |
---|---|
US (1) | US5704560A (fr) |
EP (1) | EP0821752A1 (fr) |
AT (1) | AT403491B (fr) |
AU (1) | AU1712197A (fr) |
WO (1) | WO1997030232A1 (fr) |
Families Citing this family (46)
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US6129298A (en) * | 1999-03-17 | 2000-10-10 | National Attachments, Inc. | Concrete pulverizer with adjustable ripping element |
WO2000058863A1 (fr) | 1999-03-31 | 2000-10-05 | Verizon Laboratories Inc. | Techniques d'execution d'une demande de donnees dans un systeme informatique |
US8275661B1 (en) | 1999-03-31 | 2012-09-25 | Verizon Corporate Services Group Inc. | Targeted banner advertisements |
US8572069B2 (en) | 1999-03-31 | 2013-10-29 | Apple Inc. | Semi-automatic index term augmentation in document retrieval |
US6269361B1 (en) * | 1999-05-28 | 2001-07-31 | Goto.Com | System and method for influencing a position on a search result list generated by a computer network search engine |
US7231358B2 (en) * | 1999-05-28 | 2007-06-12 | Overture Services, Inc. | Automatic flight management in an online marketplace |
US6718363B1 (en) | 1999-07-30 | 2004-04-06 | Verizon Laboratories, Inc. | Page aggregation for web sites |
US7975944B2 (en) * | 1999-10-15 | 2011-07-12 | John R. Ramun | Modular system for connecting attachments to a construction machine |
US8626576B1 (en) | 2000-02-11 | 2014-01-07 | Apple Inc. | System and method for marketing employing the distribution of a pay for performance database |
US6912525B1 (en) | 2000-05-08 | 2005-06-28 | Verizon Laboratories, Inc. | Techniques for web site integration |
GB2373462A (en) * | 2001-03-22 | 2002-09-25 | Robert Anthony Crabbe | Comminution machine |
JP2005514708A (ja) * | 2001-12-28 | 2005-05-19 | ファインドワット.コム | 一般的媒体によるペイ・フォー・パフォーマンス広告のためのシステムおよび方法 |
WO2004023243A2 (fr) * | 2002-09-03 | 2004-03-18 | X1 Technologies, Llc | Appareil et procedes permettant de localiser des donnees |
US20050010563A1 (en) * | 2003-05-15 | 2005-01-13 | William Gross | Internet search application |
US7689466B1 (en) | 2003-09-24 | 2010-03-30 | SuperMedia LLC | Dynamic pay per call listings |
US7516086B2 (en) | 2003-09-24 | 2009-04-07 | Idearc Media Corp. | Business rating placement heuristic |
US7974878B1 (en) | 2003-09-24 | 2011-07-05 | SuperMedia LLC | Information distribution system and method that provides for enhanced display formats |
US7050990B1 (en) | 2003-09-24 | 2006-05-23 | Verizon Directories Corp. | Information distribution system |
US7822661B1 (en) | 2003-09-24 | 2010-10-26 | SuperMedia LLC | Information distribution system and method utilizing a position adjustment factor |
US8239273B1 (en) | 2003-09-24 | 2012-08-07 | SuperMedia LLC | Integrated pay per click and pay per call listings |
US8146256B2 (en) | 2003-10-31 | 2012-04-03 | Stanley Black & Decker, Inc. | Metal demolition shears with indexable, integrated wear plate/piercing tip |
US8055553B1 (en) | 2006-01-19 | 2011-11-08 | Verizon Laboratories Inc. | Dynamic comparison text functionality |
NL1028334C2 (nl) * | 2005-02-18 | 2006-08-21 | Holmatro Ind Equip | Scharnierboutconstructie met borging. |
US7264190B2 (en) * | 2005-07-05 | 2007-09-04 | Construction Equipment Company | Material breaker system |
US20070145171A1 (en) * | 2005-12-23 | 2007-06-28 | The Stanley Works | Rebar cutting shears |
US8539699B2 (en) * | 2006-01-13 | 2013-09-24 | John R. Ramun | Modular system for connecting attachments to a construction machine |
US20090145274A1 (en) * | 2007-12-06 | 2009-06-11 | Caterpillar Inc. | Demolition shears |
DE102009012050A1 (de) | 2009-03-06 | 2010-09-09 | Lst Gmbh | Anbaugerät |
US8770502B1 (en) | 2010-06-14 | 2014-07-08 | Company Wrench, Ltd. | Demolition machine retrofit method and apparatus and demolition method |
US8083163B1 (en) | 2010-07-29 | 2011-12-27 | Company Wrench, Ltd. | Demolition machine method and apparatus featuring shear or pulverizer with magnet |
US8727252B1 (en) * | 2011-08-23 | 2014-05-20 | Jeffrey Sterling Phipps | Rock crusher system for an excavator |
NL2007665C2 (nl) * | 2011-10-27 | 2013-05-06 | Attero B V | Hydraulische schaar. |
US9659058B2 (en) | 2013-03-22 | 2017-05-23 | X1 Discovery, Inc. | Methods and systems for federation of results from search indexing |
EP3149248B1 (fr) * | 2014-05-27 | 2020-07-01 | Savonlinnan Pr-urakointi OY | Appareil pour tirer une structure en béton vers le bas |
US10346550B1 (en) | 2014-08-28 | 2019-07-09 | X1 Discovery, Inc. | Methods and systems for searching and indexing virtual environments |
FI127105B (fi) * | 2016-11-25 | 2017-11-15 | Savonlinnan Pr-Urakointi Oy | Purkulaite ja työkone betonirakenteen purkamiseksi |
FI130556B (fi) * | 2017-02-28 | 2023-11-17 | Savonlinnan Pr Urakointi Oy | Kaksitoiminen purkulaite ja työkone rakenteiden purkamiseksi |
JP7031136B2 (ja) * | 2017-04-07 | 2022-03-08 | コベルコ建機株式会社 | 構造物の切断装置及びそれを用いた切断方法 |
CN108356345B (zh) * | 2018-02-06 | 2019-06-14 | 北京工业大学 | 一种运用单自由度变形机构的钳剪抓多功能工程属具 |
US11142884B1 (en) | 2018-12-13 | 2021-10-12 | Michael D. Ramun | Excavator scraper attachment |
CN112627273A (zh) * | 2019-10-09 | 2021-04-09 | 尚志市鑫古合锤业制造有限公司 | 一种开山锤 |
US11406060B1 (en) | 2021-02-04 | 2022-08-09 | Tortuga Agricultural Technologies, Inc. | End effector for harvesting |
CN113102304B (zh) * | 2021-03-16 | 2022-05-03 | 北京工业大学 | 刚柔操作一体化多功能工程救援属具 |
FI20215964A1 (fi) * | 2021-09-13 | 2023-03-14 | Turun Aluepurkaus Oy | Purkulaite rakenteiden purkamiseksi |
CN115110798B (zh) * | 2022-08-02 | 2023-04-25 | 中建二局第三建筑工程有限公司 | 一种轻钢管架体系结构液压剪切拆除方法 |
CN115288477A (zh) * | 2022-08-10 | 2022-11-04 | 徐州巴特工程机械股份有限公司 | 一种房屋建筑破拆属具 |
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US2044624A (en) * | 1935-09-27 | 1936-06-16 | Walter D Morgan | Combined pulling, picking-up, and transporting attachment for excavators |
US2608891A (en) * | 1949-01-21 | 1952-09-02 | Elsie K Haussler | Cable holder with guide slots |
US3872528A (en) * | 1973-11-07 | 1975-03-25 | Porter Inc H K | Compound leverage tool |
US4104792A (en) * | 1977-01-21 | 1978-08-08 | Labounty Roy E | Wheel and tire cutter |
US4196862A (en) * | 1978-09-06 | 1980-04-08 | Ituo Tagawa | Apparatus for crushing building materials |
US4188721A (en) * | 1978-11-02 | 1980-02-19 | Ramun John R | Attachment for a back hoe |
US4376340A (en) * | 1981-05-07 | 1983-03-15 | Michael Ramun | Material handling and shearing attachment for a backhoe |
AU561397B2 (en) * | 1981-10-07 | 1987-05-07 | Stuart Malcolm Harrison | Ram operated cutter (2 blades) |
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JPS6062373A (ja) * | 1983-09-16 | 1985-04-10 | 重水 昭彦 | コンクリ−ト破砕機 |
US4776524A (en) * | 1985-12-04 | 1988-10-11 | Sakato Kousakusho Kabushiki Kaisha | Crusher |
US4719975A (en) * | 1986-02-28 | 1988-01-19 | Labounty Kenneth R | Rotating hammer-shear |
US4838493B1 (en) * | 1988-06-10 | 1994-12-06 | Labounty Manufacturing | Concrete crusher |
FR2632999A1 (fr) * | 1988-06-15 | 1989-12-22 | Zepf Hans Rudolf | Pince de rupture pour demolir des ouvrages de maconnerie en particulier des murs en beton arme |
FR2637303B1 (fr) * | 1988-09-30 | 1990-12-14 | Ameca Sa | Pince brise-beton |
DD280350A1 (de) * | 1989-03-06 | 1990-07-04 | Autobahnbaukombinat Veb | Betonbrecher |
US4955961A (en) * | 1989-06-22 | 1990-09-11 | Tagawakougyou Co. Ltd. | Working machine |
US5230151A (en) * | 1992-02-26 | 1993-07-27 | N.P.K. Construction Equipment, Inc. | Heavy duty shear head and mounting support |
DE4209278B4 (de) * | 1992-03-21 | 2004-02-19 | Outokumpu Oyj | Walzensegmentbrecher |
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US5187868A (en) * | 1992-06-16 | 1993-02-23 | Hall Charlie R | Metal demolition shear |
DE9210292U1 (fr) * | 1992-07-31 | 1992-10-22 | Mieger, Rolf, 7951 Kirchdorf, De | |
JP2577181B2 (ja) * | 1993-06-16 | 1997-01-29 | 大淀ヂ−ゼル株式会社 | 万能解体機 |
US5375329A (en) * | 1993-08-09 | 1994-12-27 | Ohyodo Diesel Co., Ltd. | Heavy duty shear |
US5533682A (en) * | 1993-09-02 | 1996-07-09 | Methold 's-Hertogenbosch B.V. | Device for crushing and/or cutting material |
-
1996
- 1996-02-15 AT AT0027296A patent/AT403491B/de not_active IP Right Cessation
- 1996-07-09 US US08/677,133 patent/US5704560A/en not_active Expired - Fee Related
-
1997
- 1997-02-13 WO PCT/AT1997/000027 patent/WO1997030232A1/fr not_active Application Discontinuation
- 1997-02-13 AU AU17121/97A patent/AU1712197A/en not_active Abandoned
- 1997-02-13 EP EP97904291A patent/EP0821752A1/fr not_active Withdrawn
Non-Patent Citations (1)
Title |
---|
See references of WO9730232A1 * |
Also Published As
Publication number | Publication date |
---|---|
ATA27296A (de) | 1997-07-15 |
AU1712197A (en) | 1997-09-02 |
AT403491B (de) | 1998-02-25 |
US5704560A (en) | 1998-01-06 |
WO1997030232A1 (fr) | 1997-08-21 |
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Legal Events
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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Kind code of ref document: A1 Designated state(s): BE CH DE DK ES FI FR GB IE IT LI NL PT SE |
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17P | Request for examination filed |
Effective date: 19980223 |
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18D | Application deemed to be withdrawn |
Effective date: 20011003 |