EP0937546B1 - Dispositif de serrage et de séparation, notamment dispositif pour retirer des paliers - Google Patents

Dispositif de serrage et de séparation, notamment dispositif pour retirer des paliers Download PDF

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Publication number
EP0937546B1
EP0937546B1 EP98120955A EP98120955A EP0937546B1 EP 0937546 B1 EP0937546 B1 EP 0937546B1 EP 98120955 A EP98120955 A EP 98120955A EP 98120955 A EP98120955 A EP 98120955A EP 0937546 B1 EP0937546 B1 EP 0937546B1
Authority
EP
European Patent Office
Prior art keywords
locking element
screw bolt
holder
depressions
screw
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.)
Expired - Lifetime
Application number
EP98120955A
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German (de)
English (en)
Other versions
EP0937546A3 (fr
EP0937546A2 (fr
Inventor
Uwe Paschke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0937546A2 publication Critical patent/EP0937546A2/fr
Publication of EP0937546A3 publication Critical patent/EP0937546A3/fr
Application granted granted Critical
Publication of EP0937546B1 publication Critical patent/EP0937546B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B25B27/06—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 inserting or withdrawing sleeves or bearing races
    • 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
    • Y10T29/53683—Spreading parts apart or separating them from face to face engagement

Definitions

  • the invention relates to a clamping or Separating device, esp. For removing bearing shells, with two cheeks passing through at least one Bolt are braced against each other.
  • a clamping device having the two jaws, one of the jaws means a locking element can be clamped in a Rack engages.
  • it is a Clamping device for fixing several layers of cloth or Fabric that can then be cut to size at the same time.
  • the distortion takes place by adjusting the Bolt considerable time to complete.
  • the invention is therefore the object of devices develop the type mentioned above so that the device quickly to different thickness workpieces attached, separated from these, but also the Time required for tightening the nuts considerably can be reduced.
  • the invention is based on a clamping and Separating device, in particular for removing Bearing cups, with a first and second jaw, the by at least one bolt against each other are braced, wherein the at least one bolt at a first end having a threaded portion on the first jaw by means of a nut adjustable is attached.
  • the bolt with several, over its length distributed, successively arranged depressions provided, in which a stored on the second jaw Locking element can engage.
  • a stored on the second jaw Locking element can engage.
  • these depressions in the manner of rounded notches executed, while preferably in the form of a nose executed blocking element optionally in one of the notches can intervene.
  • the recesses are carried out that they are only part of the scope of the Extend bolt. Will be under These conditions, the locking element elastic yielding, so can through the blocking element effected fixation of the bolts in the area of a each recess of the bolt by turning the Bolt raised about its longitudinal axis and the Bolt then be moved longitudinally, without thus through the possible at the area of each well Arret ist or blocking to be hampered.
  • this elastically yielding storage of the blocking element by a rotatable mounting in Connection achieved with a spring the one Rotation of the blocking element in one direction of rotation elastically counteracts.
  • This storage is very advantageous because the blocking element outside round executed and therefore in a (cylindrical) Bore can be stored, also called a blind hole can be trained.
  • the mentioned jaws of the device can in turn still with devices e.g. in the form of a threaded hole be equipped here to tie rods or similar To let tension elements attack. It is so possible, the clamping or separating device with advantage to use as a peeling device.
  • the separator consists essentially of two contractible jaws 1, 2, the yoke-like are arranged and each at both ends bores 3 for Receiving bolts 4, 5 have. Of the mutual distance of the two jaws 1, 2, to the mutually facing edges with a sharpness 6 can be changed, esp. but for the separation of Machine elements by mutual clamping of the Both jaws 1, 2 are reduced by the Nuts 7 of the bolts 4, 5 are tightened.
  • FIG played Such an operation is schematic in FIG played.
  • the two jaws 1, 2 engage in the Gap between a bearing shell a and a paragraph 8 a wave or axis 9 and thereby cause the desired separation of the bearing shell from its seat.
  • the two jaws 1, 2 can then together with taking the bearing shell a using tie rods 10 in Direction of the arrow 11 are deducted.
  • the bolts 4, 5 with several, exactly in the axial direction one behind the other arranged, rounded recesses 12 provided.
  • the engaging in these wells to be engaged Blocking element is a rounded nose 13, which is attached an outer cylindrical holder 14 is located.
  • the Holder 14 is in a cylindrical blind hole 15th rotatably mounted; on the outer circumference it is from the Inner surface of the blind hole 15 and at both ends on the one hand from the reason 16 and on the other hand of a Circlip 17 guided and held, in turn, a Falling out of the bracket 14 prevented.
  • the holder 14 still circulating Projections 18 on the outer periphery, with which the Holder 14 abuts both ends.
  • the bolts 4, 5 against the direction of the To be able to move arrow 20 has the bracket 14 behind the nose 13 a recess 22 which is as follows acts. To pull out the bolts 4, 5 are this twisted about its longitudinal axis, that now the cylindrical, not through the depressions 12th interrupted outer surface of the bolt 4, 5 of Bracket 14 is opposite. This twist of the Bolt 4, 5 is possible because the holder 14th against the spring force is rotatable, so far, that the operating state according to FIG. 2 is reached. The recess 22 then allows an axial displacement of the Bolt 4, 5 readily to.
  • the device first gradually to the desired jaw spacing be set. The force effect and the actual separation process then takes place by tightening of nuts 7.
  • the invention is possibly. Also in such pairs of jaws can be used, which hinged together at one end connected and at the opposite end with a Bolt are provided.
  • the free ends of the bolts 4, 5 are conical, so running rejuvenating. This is ensure that when inserting the bolts 4, 5 in the direction of arrow 20, the blocking element thirteenth is displaced by twisting its holder 14.
  • the storage of the holder 14 in a bore has the Advantage of a simple production;
  • the Holder 14 in contrast to FIG. 2 also executed be that the outer surface of the holder 14 with the adjacent surface of the jaws 1, 2 is flush.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Clamps And Clips (AREA)
  • Automatic Assembly (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
  • Mounting Of Bearings Or Others (AREA)

Claims (15)

  1. Dispositif de serrage et de séparation, notamment dispositif pour enlever des coussinets de paliers, avec une première et une seconde mâchoire (1, 2) qui peuvent être serrées l'une contre l'autre à l'aide d'au moins un boulon fileté, dans lequel le au moins un boulon fileté (4, 5) comporte à une première extrémité un tronçon de filet auquel la première mâchoire (1) est fixée de manière déplaçable à l'aide d'un écrou (7), caractérisé en ce que le boulon fileté (4, 5) est muni de plusieurs cavités (12) réparties sur sa longueur, alignées les unes derrière les autres dans la direction de l'axe du boulon fileté, dans lesquelles un élément de verrouillage (13) logé dans la seconde mâchoire (2) peut s'encliqueter.
  2. Dispositif selon la revendication 1, caractérisé en ce que l'élément de verrouillage (13) peut être dégagé dans le sens opposé au sens de serrage (20) du boulon fileté (4, 5) contre l'action d'un ressort.
  3. Dispositif selon la revendication 2, caractérisé en ce que l'élément de verrouillage (13) est disposé dans une fixation (14) qui est logée de manière orientable dans un alésage (15) avec une paroi intérieure cylindrique.
  4. Dispositif selon la revendication 2, caractérisé en ce que l'alésage (15) est un trou borgne.
  5. Dispositif selon la revendication 2, caractérisé en ce qu'un évidement (22) est prévu dans la fixation (14) derrière l'élément de verrouillage (13) dans le sens opposé au sens de poussée (20) des boulons filetés (4, 5) et en ce que cet évidement est dimensionné de telle manière qu'en poussant les boulons filetés, l'élément de verrouillage (13) peut être déplacé et le boulon fileté peut être décalé sans être gêné par l'élément de verrouillage.
  6. Dispositif selon la revendication 5, caractérisé en ce que le boulon fileté (4, 5) est rotatif autour de son axe longitudinal de telle manière qu'il peut coulisser dans le sens inverse au sens de poussée (20) lorsque ses cavités (12) servant au blocage sont dirigées à l'opposé de l'élément de verrouillage.
  7. Dispositif selon la revendication 5, caractérisé en ce que le boulon fileté (4, 5) va en s'amincissant à son extrémité libre.
  8. Dispositif selon la revendication 3, caractérisé en ce que la fixation (14) est disposée à une extrémité sur le fond de l'alésage et en ce qu'un dispositif d'arrêt amovible (bague de retenue 17) pour la fixation se trouve dans la zone d'ouverture de l'alésage.
  9. Dispositif selon la revendication 2, caractérisé en ce que l'élément de verrouillage (13) est arrondi en forme de bec à l'extrémité libre.
  10. Dispositif selon la revendication 2, caractérisé en ce que les cavités (12) sont arrondies et s'étendent seulement sur une partie de la circonférence du boulon fileté.
  11. Dispositif selon la revendication 2, caractérisé en ce que la force de ressort est calculée de telle manière que l'élément de verrouillage (13) encliqueté, se trouvant dans sa position effective, agit sur le boulon fileté.
  12. Dispositif selon la revendication 2 ou 11, caractérisé en ce que l'élément de verrouillage (13) ou sa fixation (14) est soumis à l'action d'un ressort tournant (19) et en ce que son trajet de précontrainte jusqu'à la position effective correspond sensiblement à un angle de rotation de la fixation d'environ 90°.
  13. Dispositif selon la revendication 2, caractérisé en ce que les mâchoires (1, 2) sont munies de points d'attache pour tirants (10) de manière à ce que le dispositif puisse être utilisé également comme dispositif d'enlèvement.
  14. Dispositif selon la revendication 2, caractérisé en ce que, avec deux boulons filetés (4, 5), les parties effectives des deux mâchoires (1, 2) sont excentrées entre les deux boulons filetés.
  15. Dispositif selon la revendication 2, caractérisé en ce que les cavités (12) s'étendent sur la circonférence des boulons filetés (4, 5) seulement sur une portion telle que le boulon fileté est logé pour résister à la torsion lorsque l'élément de verrouillage (13) est encliqueté pour tendre les écrous (7).
EP98120955A 1998-02-19 1998-11-05 Dispositif de serrage et de séparation, notamment dispositif pour retirer des paliers Expired - Lifetime EP0937546B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19806965 1998-02-19
DE19806965A DE19806965B4 (de) 1998-02-19 1998-02-19 Klemm- und Trennvorrichtung, insb. zum Abziehen von Lagerschalen dienende Vorrichtung

Publications (3)

Publication Number Publication Date
EP0937546A2 EP0937546A2 (fr) 1999-08-25
EP0937546A3 EP0937546A3 (fr) 2002-01-02
EP0937546B1 true EP0937546B1 (fr) 2005-08-17

Family

ID=7858297

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98120955A Expired - Lifetime EP0937546B1 (fr) 1998-02-19 1998-11-05 Dispositif de serrage et de séparation, notamment dispositif pour retirer des paliers

Country Status (4)

Country Link
US (1) US6006409A (fr)
EP (1) EP0937546B1 (fr)
AT (1) ATE302097T1 (fr)
DE (1) DE19806965B4 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100507135B1 (ko) * 1997-10-28 2005-10-31 현대자동차주식회사 드릴척 분해용 치구
CN102672670B (zh) * 2012-05-31 2015-01-21 浙江浙能嘉兴发电有限公司 一种供机械检修用的拉马
US20130333173A1 (en) * 2012-06-15 2013-12-19 Mitsubishi Heavy Industries, Ltd. Blade root spring insertion jig and insertion method of blade root spring
CN102962809A (zh) * 2012-12-14 2013-03-13 北京君泰天成科技有限公司 一种辅助轴承安装和拆卸的安装工装以及拆装工装
CN104511876A (zh) * 2013-09-27 2015-04-15 贵州中烟工业有限责任公司 轴上零件拆装装置
CN104002273B (zh) * 2014-05-21 2016-06-15 国网四川省电力公司成都市新都供电分公司 简易轴类部件拆卸装置
CN112847214B (zh) * 2021-01-04 2022-10-25 东风汽车股份有限公司 一种无定位唇曲轴上瓦限位安装装置及其使用方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1349225A (en) * 1919-03-27 1920-08-10 Henry I Rosenblum Clamp device
US1403589A (en) * 1921-09-13 1922-01-17 Cinquini Egisto Spring-leaf spreader and lubricator
US2350404A (en) * 1943-04-27 1944-06-06 William P Liston Flange spreader
JPS5321838Y2 (fr) * 1974-08-14 1978-06-07
DE29601651U1 (de) * 1996-01-31 1996-05-23 Max Planck Gesellschaft Abziehvorrichtung für Flanschdichtungen

Also Published As

Publication number Publication date
EP0937546A3 (fr) 2002-01-02
ATE302097T1 (de) 2005-09-15
DE19806965B4 (de) 2004-01-22
US6006409A (en) 1999-12-28
EP0937546A2 (fr) 1999-08-25
DE19806965A1 (de) 1999-08-26

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