EP0135490A1 - Abziehvorrichtung mit Greifern - Google Patents
Abziehvorrichtung mit Greifern Download PDFInfo
- Publication number
- EP0135490A1 EP0135490A1 EP84870105A EP84870105A EP0135490A1 EP 0135490 A1 EP0135490 A1 EP 0135490A1 EP 84870105 A EP84870105 A EP 84870105A EP 84870105 A EP84870105 A EP 84870105A EP 0135490 A1 EP0135490 A1 EP 0135490A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- extractor
- claws
- guide
- claw
- axis
- 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.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/023—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same using screws
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/53796—Puller or pusher means, contained force multiplying operator
- Y10T29/5383—Puller or pusher means, contained force multiplying operator having fluid operator
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/53796—Puller or pusher means, contained force multiplying operator
- Y10T29/53848—Puller or pusher means, contained force multiplying operator having screw operator
- Y10T29/53857—Central screw, work-engagers around screw
- Y10T29/53861—Work-engager arms along or parallel to screw
- Y10T29/5387—Pivotal arms
Definitions
- the present invention relates to a claw extractor, in particular a large claw extractor, comprising improvements intended to facilitate its handling.
- claw extractors are known in which the claws are articulated directly on the body of the claw extractor and comprise, at the end opposite to that intended to come into contact with the part to be separated, guide means which are in direct relation with a control member such as a cam plate for example. This is intended to separate or bring the claws apart from each other, as well as to keep them in contact with the part to be removed, as long as they do not stick to it thanks to the force exerted by the 'extractor
- the present invention therefore aims to provide a claw extractor of improved construction which can be easily handled by an operator who can guide the extractor as well as adjust the spacing of the claws until the pressure of the rod on the workpiece separate is sufficient for the claws to remain in contact therewith.
- Another object of the present invention is to provide a claw extractor which allows, thanks to an improved construction, a self-tightening of the claws in order to ensure good adaptation of the extractor to any part to be separated.
- a claw extractor characterized in that it comprises a guide which is free to rotate around the axis of the extractor but fixed in translation along this axis.
- said guide comprising grooves which make it possible to guide the simultaneous movement of the claws by an angular rotation thereof around the axis of the extractor.
- said guide advantageously consists of a disc, mounted at the rear end of the extractor, which is opposite the end intended to come into contact with the parts to be separated, said disc having grooves in which the rear ends of the claws slide and which are arranged so as to extend from the center outwards.
- said guide advantageously consists of a disc mounted at the rear end of the extractor, which is opposite the end intended to come into contact with the parts to be separated, said disc having grooves extending from the center outwards, in which slide pins fixed to the connecting rods, which are articulated on the claws and, moreover, connected to these by stirrups preventing the free rotation of the claws by compared to the connecting rods but allow a sliding of the claws therein.
- the operator can continuously adjust the spacing of the claws by actuating the guide so that it rotates by a certain angle around the axis of the extractor.
- the pins are moved away from the extractor by pivoting the connecting rod around the point of articulation on the extractor to bring the claws apart or move them apart.
- said guide may advantageously include a control arm.
- the present description relates to a hydraulic claw extractor. This does not exclude that the present invention can be applied also to q uence a manual extractor, for example.
- the extractor 1 consists of a hydraulic cylinder (or other) 2 actuated by a hand pump (not shown), for example or connected to a source (not shown) of hydraulic fluid.
- a hand pump for example or connected to a source (not shown) of hydraulic fluid.
- To the cylinder of the jack are fixed three connecting rods 3 which are also connected to the corresponding claws 5.
- the claws 5 have several holes 7 which are intended to allow adjustment of the spacing between the part 9 to be removed from the shaft 10 and the rod 12 which will bear against the end of this shaft 10.
- the claw extractor comprises a guide 15 which is provided with grooves 17, preferably curved, in which slide pins 19 which are fixed to the connecting rods 3.
- the pins approach or move away from said axis, according to the direction of movement, given the arrangement and the particular shape of the grooves 17.
- the connecting rod 3 pivots around its articulation point 23 to move the claws 5 apart or closer to one another.
- a stirrup 25 prevents the claws from rotating freely around the point of articulation 27 but allows the claw 5 to slide therein when the angular position of the connecting rod 3 is modified by the action of the guide 15.
- the stud 19 is fixed to the connecting rod 3 by means of a sheet of steel folded partially around said connecting rod 3, in order to avoid movement. relative ment of the stud 19 with respect to said connecting rod 3.
- any other form of assembly such as two bolts or two rivets, for example.
- An advantage obtained by the present invention consists in that the handling operations are greatly facilitated and that a single operator is sufficient to use this apparatus, even when the dimensions are large enough.
- the extraction operation consisting simply in bringing the apparatus into position and adjusting with the device of the invention. the spacing of the claws to be able to arrange it properly on the part 9.
- Another advantage consists in that the guide 15, in the form of application shown, takes up little space and can be accommodated in the usual boxes delivered with this kind of equipment.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
- Clamps And Clips (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Apparatus For Making Beverages (AREA)
- Manipulator (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT84870105T ATE31498T1 (de) | 1983-07-18 | 1984-07-17 | Abziehvorrichtung mit greifern. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
LU84921A LU84921A1 (fr) | 1983-07-18 | 1983-07-18 | Extracteur a griffes |
LU84921 | 1983-07-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0135490A1 true EP0135490A1 (de) | 1985-03-27 |
EP0135490B1 EP0135490B1 (de) | 1987-12-23 |
Family
ID=19730122
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP84870105A Expired EP0135490B1 (de) | 1983-07-18 | 1984-07-17 | Abziehvorrichtung mit Greifern |
EP84902694A Pending EP0181331A1 (de) | 1983-07-18 | 1984-07-17 | Ausziehgerät mit griffen |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP84902694A Pending EP0181331A1 (de) | 1983-07-18 | 1984-07-17 | Ausziehgerät mit griffen |
Country Status (7)
Country | Link |
---|---|
US (1) | US4648166A (de) |
EP (2) | EP0135490B1 (de) |
AT (1) | ATE31498T1 (de) |
BR (1) | BR8407332A (de) |
DE (1) | DE3468188D1 (de) |
LU (1) | LU84921A1 (de) |
WO (1) | WO1985000546A1 (de) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4852234A (en) * | 1986-02-13 | 1989-08-01 | Haben Corporation Ltd. | Puller assembly |
GB2305383A (en) * | 1995-09-25 | 1997-04-09 | Earth Tool Company | Pulling device for removing an expander from a boring tool |
DE102012107389B3 (de) * | 2012-08-10 | 2014-02-13 | Tina Chen | Abziehgerät |
KR20160132958A (ko) * | 2014-03-14 | 2016-11-21 | 밀리켄 앤드 캄파니 | 개질된 헤테로상 폴리올레핀 조성물 |
CN112605937A (zh) * | 2020-12-29 | 2021-04-06 | 中北大学 | 一种对接机构及自动对接装置 |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5159743A (en) * | 1989-05-08 | 1992-11-03 | Posi Lock Puller, Inc. | Hydraulic puller |
US6437762B1 (en) | 1995-01-11 | 2002-08-20 | William A. Birdwell | Dynamic diffractive optical transform |
US6015136A (en) * | 1998-06-15 | 2000-01-18 | Benudiz; Hilel | Portable fastener remover apparatus |
EP2607021B1 (de) * | 2011-12-19 | 2015-05-06 | Schweizerische Bundesbahnen SBB | Abzugsvorrichtung für Radsatzlager von Schienenfahrzeugen |
CN103327752B (zh) * | 2012-03-23 | 2017-12-05 | 富泰华工业(深圳)有限公司 | 夹持装置 |
US20140047688A1 (en) * | 2012-08-19 | 2014-02-20 | Tina Chen | Puller |
US9511488B2 (en) | 2013-05-23 | 2016-12-06 | Tiger Tool International Incorporated | King pin removal tool |
US9908208B2 (en) | 2014-01-28 | 2018-03-06 | Tiger Tool International Incorporated | Offset press for removing wheel studs |
US9751199B2 (en) | 2014-02-10 | 2017-09-05 | Tiger Tool International Incorporated | Disk brake wheel stud insertion and removal tool |
US9788661B1 (en) | 2016-04-28 | 2017-10-17 | Bedgear, Llc | Performance bed sheets |
US11491618B2 (en) | 2017-08-21 | 2022-11-08 | Siemens Energy, Inc. | Reheat stop valve support yoke extraction device |
CN107790999B (zh) * | 2017-12-11 | 2018-10-23 | 刘洋 | 用于针头生产的插接装置 |
US11135711B2 (en) | 2018-03-16 | 2021-10-05 | Tiger Tool International Incorporated | Retaining ring plier systems and methods |
US20230138801A1 (en) | 2020-03-13 | 2023-05-04 | Tiger Tool International Incorporated | Systems And Methods For Inserting And Removing Bushing Assemblies |
WO2021183800A1 (en) | 2020-03-13 | 2021-09-16 | Tiger Tool International Incorporated | Bushing insertion systems and methods |
RU203247U1 (ru) * | 2020-12-11 | 2021-03-29 | Публичное акционерное общество «Татнефть» имени В.Д. Шашина | Съемник для демонтажа детали с вала генератора |
CN114536275B (zh) * | 2022-03-17 | 2024-06-04 | 陕西法士特齿轮有限责任公司 | 一种轴承拆卸机构 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE465209A (de) * | ||||
GB363282A (en) * | 1930-05-29 | 1931-12-17 | Harry Wolf Kulp | Improvements in wheel, gear and the like pulling devices |
FR866328A (fr) * | 1940-03-23 | 1941-07-28 | Arrache-moyeu | |
CH248279A (de) * | 1946-02-15 | 1947-04-30 | Kyburz Schmid Willi | Pouliezange. |
GB1307234A (en) * | 1969-07-24 | 1973-02-14 | Milbourn T H | Apparatus for the removal of annular members from secured positions |
FR2390250A1 (fr) * | 1977-05-12 | 1978-12-08 | Bruyn Lucien De | Extracteur autocentreur a lumieres en spirales |
GB1543796A (en) * | 1976-12-14 | 1979-04-04 | Yun Te Chang | Puller for pulling a member mounted on a shaft end portion thereof |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH142223A (de) * | 1928-11-28 | 1930-09-15 | Robur G M B H | Schraubzwinge. |
US2374861A (en) * | 1943-11-30 | 1945-05-01 | Hinckley Meyers Division Of Ke | Puller tool |
US2524698A (en) * | 1945-12-11 | 1950-10-03 | Truth Tool Company | Pulling tool |
US3337943A (en) * | 1965-06-07 | 1967-08-29 | Harvey E Powell | Hydraulic wheel puller |
US4019233A (en) * | 1975-05-07 | 1977-04-26 | Owatonna Tool Company | Puller apparatus and method for disassembling universal joints |
-
1983
- 1983-07-18 LU LU84921A patent/LU84921A1/fr unknown
-
1984
- 1984-07-17 BR BR8407332A patent/BR8407332A/pt not_active IP Right Cessation
- 1984-07-17 EP EP84870105A patent/EP0135490B1/de not_active Expired
- 1984-07-17 WO PCT/BE1984/000018 patent/WO1985000546A1/fr not_active Application Discontinuation
- 1984-07-17 AT AT84870105T patent/ATE31498T1/de active
- 1984-07-17 EP EP84902694A patent/EP0181331A1/de active Pending
- 1984-07-17 DE DE8484870105T patent/DE3468188D1/de not_active Expired
- 1984-07-17 US US06/717,181 patent/US4648166A/en not_active Expired - Lifetime
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE465209A (de) * | ||||
GB363282A (en) * | 1930-05-29 | 1931-12-17 | Harry Wolf Kulp | Improvements in wheel, gear and the like pulling devices |
FR866328A (fr) * | 1940-03-23 | 1941-07-28 | Arrache-moyeu | |
CH248279A (de) * | 1946-02-15 | 1947-04-30 | Kyburz Schmid Willi | Pouliezange. |
GB1307234A (en) * | 1969-07-24 | 1973-02-14 | Milbourn T H | Apparatus for the removal of annular members from secured positions |
GB1543796A (en) * | 1976-12-14 | 1979-04-04 | Yun Te Chang | Puller for pulling a member mounted on a shaft end portion thereof |
FR2390250A1 (fr) * | 1977-05-12 | 1978-12-08 | Bruyn Lucien De | Extracteur autocentreur a lumieres en spirales |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4852234A (en) * | 1986-02-13 | 1989-08-01 | Haben Corporation Ltd. | Puller assembly |
GB2305383A (en) * | 1995-09-25 | 1997-04-09 | Earth Tool Company | Pulling device for removing an expander from a boring tool |
DE102012107389B3 (de) * | 2012-08-10 | 2014-02-13 | Tina Chen | Abziehgerät |
KR20160132958A (ko) * | 2014-03-14 | 2016-11-21 | 밀리켄 앤드 캄파니 | 개질된 헤테로상 폴리올레핀 조성물 |
US11248114B2 (en) | 2014-03-14 | 2022-02-15 | Milliken & Company | Modified heterophasic polyolefin composition |
CN112605937A (zh) * | 2020-12-29 | 2021-04-06 | 中北大学 | 一种对接机构及自动对接装置 |
Also Published As
Publication number | Publication date |
---|---|
EP0181331A1 (de) | 1986-05-21 |
DE3468188D1 (en) | 1988-02-04 |
WO1985000546A1 (fr) | 1985-02-14 |
US4648166A (en) | 1987-03-10 |
ATE31498T1 (de) | 1988-01-15 |
BR8407332A (pt) | 1986-09-23 |
EP0135490B1 (de) | 1987-12-23 |
LU84921A1 (fr) | 1985-04-17 |
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