EP3266566B1 - Selbstzentrierender teilextraktor - Google Patents

Selbstzentrierender teilextraktor Download PDF

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Publication number
EP3266566B1
EP3266566B1 EP16754801.5A EP16754801A EP3266566B1 EP 3266566 B1 EP3266566 B1 EP 3266566B1 EP 16754801 A EP16754801 A EP 16754801A EP 3266566 B1 EP3266566 B1 EP 3266566B1
Authority
EP
European Patent Office
Prior art keywords
spindle
arms
extractor
annular support
arm
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.)
Active
Application number
EP16754801.5A
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English (en)
French (fr)
Other versions
EP3266566A4 (de
EP3266566A1 (de
Inventor
Julio SAMPEDRO MARTÍNEZ
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.)
Forza Herramientas SL
Original Assignee
Forza Herramientas SL
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 Forza Herramientas SL filed Critical Forza Herramientas SL
Publication of EP3266566A1 publication Critical patent/EP3266566A1/de
Publication of EP3266566A4 publication Critical patent/EP3266566A4/de
Application granted granted Critical
Publication of EP3266566B1 publication Critical patent/EP3266566B1/de
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Anticipated expiration legal-status Critical

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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
    • 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

Definitions

  • the invention is a part extractor of the previously described type, which, because it is self-centering, achieves the movement of all the arms in unison by means of a mechanism that is regulated from the top of the extractor, thus providing a simpler and more effective use in the extraction of parts.
  • the extractor of the invention comprises a first spindle, through which the centering to the part to be extracted is achieved, onto which is screwed a body to which the arms are articulated, being two or more, which hang from the body, spaced around the spindle.
  • a first spindle On this first spindle, in its upper part and coaxial with it, there is a second regulating spindle, which is fixed at its lower end to the aforementioned body.
  • the first and second spindles are independent and the second spindle is externally threaded.
  • an upper handle that is screwed onto this second spindle; a lower ring, which rotates freely and moves along the second spindle; and an intermediate annular support, also independent of the second spindle, on which it can rotate and move freely, and which is fixed to the upper handle which can turn freely but cannot move axially along it.
  • each connecting rod has an intermediate longitudinal slot through which passes a pin that is fixed to the lower ring.
  • Figures 1 and 2 show a two-arm extractor, constituted in accordance with the invention, which comprises a first spindle (1), around which a second, tubular, independent spindle (2) is disposed coaxially, which is externally threaded.
  • the second spindle (2) is shorter than the first spindle (1) and is arranged around the top of the first spindle (1).
  • a body (3) is screwed onto the first spindle (1) to which are articulated a series of angularly equidistant arms (4), two in the example shown in the drawings, located opposite each other, hanging around the first spindle (1).
  • Each arm (4) is hinged to the body (3) along an axis (5) perpendicular to the spindle (1).
  • the second spindle (2) is fixed at its lower end to the body (3), and cannot rotate or move axially relative to it.
  • the extractor further comprises a series of radial connecting rods (9), equal in number and position to the arms (4), which are hinged at their upper end to the annular support (8) and at the lower end to the facing arm (4), through axes (10 and 11) parallel and perpendicular to the spindles.
  • the extractor includes two arms (4), located diametrically opposite each other.
  • Figure 3 shows an extractor with three pairs of arms (4), located 120° apart, using the same reference numbers to designate equivalent elements or components.
  • the upper handle (6) rotates in one direction or another, causing the axial displacement of the intermediate annular support (8) (freely rotating relative to the upper handle (6)) which pulls the connecting rods (9) in the same direction which, in turn, pull or push on the arms (4), at the same time as the pins (13) and the intermediate ring (7) move, also in the same direction, securely controlling the movement of the connecting rods (9) to ensure the opening or closing of the arm assembly.
  • the motive power for the extractor of the invention could be provided automatically, for example by hydraulic systems.
  • the body (3) can be formed from two separate semi-circular parts, joined together, with the arms (4) between them for the case of a two-arm extractor, Figure 1 , or by three equally shaped parts, for the case of three arms, Figure 3 .
  • the arms (4) have a longitudinal elbow (14), close to the point of articulation (5) with the body (3), which point is also where the articulation axis (11) is for the arms (4) and the connecting rods (9).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Food-Manufacturing Devices (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)

Claims (4)

  1. Selbstzentrierender Abzieher, der aus einer ersten Spindel (1) besteht, auf die ein Körper (3) aufgeschraubt ist, mit dem über Gelenke eine Reihe beweglicher, um die erste Spindel (1) angeordneter Greifer (4) verbunden sind, dadurch gekennzeichnet, dass er außerdem mit einer zweiten rohrförmigen Spindel (2) mit Außengewinde ausgestattet ist, die koaxial zur ersten Spindel ausgerichtet und unabhängig von dieser ist, und die an ihrem unteren Ende am Körper (3) befestigt ist und die oberhalb dieses Körpers einen oberen Griff (6) aufweist, der auf die zweite Spindel (2) geschraubt ist, einen unteren, frei drehbaren Ring (7), der verschiebbar auf der zweiten Spindel (2) sitzt, sowie einen ringförmigen Zwischenträger (8), der am oberen Handgriff (6) befestigt ist und der sich frei zu diesem drehen kann, der unabhängig von der zweiten Spindel (2) ist und sich frei auf dieser drehen und bewegen kann; deren ringförmiger Träger (8) eine Reihe von radial angeordneten Verbindungsstangen (9) aufweist, die in Anzahl und Position mit den Greifern (4) übereinstimmen, wobei jede dieser Verbindungsstangen an ihrem freien Ende mit dem gegenüberliegenden Greifer (4) über ein Gelenk verbunden ist und die eine dazwischenliegende Längsnut (12) aufweist, durch die ein Stift (13) geht, der mit dem unteren Ring (7) verbunden ist.
  2. Abzieher nach Anspruch 1, dadurch gekennzeichnet, dass die Greifer (4) nahe des Gelenkpunktes (5) mit dem Körper (3) eine Krümmung (14) aufweisen, die mit der zwischen den Greifern und der Verbindungsstange (9) befindlichen Gelenkachse (11) übereinstimmt.
  3. Abzieher nach Anspruch 1, dadurch gekennzeichnet, dass jeder Greifer (4) über eine einzige Verbindungsstange (9) mit dem ringförmigen Träger (8) verbunden ist.
  4. Abzieher nach Anspruch 1, dadurch gekennzeichnet, dass jeder Greifer (4) mit dem ringförmigen Träger (8) durch zwei parallele Verbindungsstangen über Gelenkpunkte an den Greifern (4) und dem ringförmigen Träger (8) verbunden ist, und die jeweils mit Längsnuten versehen sind, die einander gegenüberliegen und durch die ebenso viele Stifte (13) gehen, die mit dem unteren Ring (7) fest verbunden sind.
EP16754801.5A 2015-02-24 2016-03-17 Selbstzentrierender teilextraktor Active EP3266566B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES201530227A ES2543281B1 (es) 2015-02-24 2015-02-24 Extractor de piezas auto-centrante
PCT/ES2016/070182 WO2016135367A1 (es) 2015-02-24 2016-03-17 Extractor de piezas auto-centrante

Publications (3)

Publication Number Publication Date
EP3266566A1 EP3266566A1 (de) 2018-01-10
EP3266566A4 EP3266566A4 (de) 2018-11-21
EP3266566B1 true EP3266566B1 (de) 2021-08-11

Family

ID=53786772

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16754801.5A Active EP3266566B1 (de) 2015-02-24 2016-03-17 Selbstzentrierender teilextraktor

Country Status (3)

Country Link
EP (1) EP3266566B1 (de)
ES (1) ES2543281B1 (de)
WO (1) WO2016135367A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11084152B2 (en) 2019-04-29 2021-08-10 Julio Sampedro Martinez Mechanical device self-centering gear extractor
CN110181457A (zh) * 2019-05-23 2019-08-30 天津蓝巢电力检修有限公司 引风机滑块拆除工具
CN112247907A (zh) * 2020-11-02 2021-01-22 凌源钢铁股份有限公司 一种轴承拉拔锤击取出装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1470310A (en) * 1922-06-28 1923-10-09 Ernest E Winchell Wheel and gear remover
US1682956A (en) * 1926-11-10 1928-09-04 Vernon B Dawson Gripping and pulling implement
US4068365A (en) * 1977-02-14 1978-01-17 Brandt Paul W Locking puller device
US5174005A (en) * 1992-06-08 1992-12-29 Somerville Dean S Locking puller device
US5557833A (en) * 1995-02-22 1996-09-24 Lisle Corporation Puller Device
US7669306B2 (en) * 2007-12-04 2010-03-02 Waldemar Palka Gear puller

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3266566A4 (de) 2018-11-21
WO2016135367A1 (es) 2016-09-01
ES2543281B1 (es) 2016-05-30
ES2543281A1 (es) 2015-08-17
EP3266566A1 (de) 2018-01-10

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