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EP1169089B1 - Dispositif ecarteur - Google Patents

Dispositif ecarteur Download PDF

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Publication number
EP1169089B1
EP1169089B1 EP00918549A EP00918549A EP1169089B1 EP 1169089 B1 EP1169089 B1 EP 1169089B1 EP 00918549 A EP00918549 A EP 00918549A EP 00918549 A EP00918549 A EP 00918549A EP 1169089 B1 EP1169089 B1 EP 1169089B1
Authority
EP
European Patent Office
Prior art keywords
spreading device
assembly
sections
spreading
pressure
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
EP00918549A
Other languages
German (de)
English (en)
Other versions
EP1169089A1 (fr
Inventor
Leopold Eisterlehner
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.)
Weber Hydraulik GmbH Austria
Weber Hydraulik GmbH Germany
Original Assignee
Weber Hydraulik GmbH Austria
Weber Hydraulik GmbH Germany
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 Weber Hydraulik GmbH Austria, Weber Hydraulik GmbH Germany filed Critical Weber Hydraulik GmbH Austria
Publication of EP1169089A1 publication Critical patent/EP1169089A1/fr
Application granted granted Critical
Publication of EP1169089B1 publication Critical patent/EP1169089B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B3/00—Devices or single parts for facilitating escape from buildings or the like, e.g. protection shields, protection screens; Portable devices for preventing smoke penetrating into distinct parts of buildings
    • A62B3/005—Rescue tools with forcing action
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S72/00—Metal deforming
    • Y10S72/705—Vehicle body or frame straightener

Definitions

  • the invention relates to a spreading device as in the preamble of claim 1 described.
  • a spreading tool which consists of a telescopic Arrangement of two tubes, which are guided into each other, wherein an outer Pipe is provided at one end with a pressure piece and in which the inner Pipe slidably mounted is also at its free end with a pressure piece is provided.
  • the outer tube has an opening in the wall for insertion of spreading fingers of a spreading drive.
  • the object of the invention is now to provide a device which in the usual Size and weight of such rescue equipment includes a spread area, through opening widths, as laid down in the rules on the formation of man-holes, e.g. known from the regulations on pressure vessels, corresponds, is achieved.
  • Another advantage is a training as described in claim 3, because thereby high resistance moments of the guide arrangement can be achieved, the one Counteract buckling of the pressure plunger assembly.
  • Another advantage is an education as described in claim 6, after which a exact movement dependence of the telescopic profile arrangement is achieved.
  • a preferred development also describes claim 7, whereby a subsequent and also optionally equipping a standard recovery device with a Plunger assembly to increase the spread area is possible.
  • an embodiment according to claim 16 is advantageous because thereby a non-skid support of the spreading device on sheets, plastics, in general have very smooth surfaces, is achieved.
  • the rescue device 2 consists of a linear drive 3, e.g. a pressurizable with pressure medium cylinder 4 5, via a supply line 6 and return 7 from a printing unit 8, e.g. with hydraulic oil 9, fed becomes.
  • a control unit 10 e.g. a key-operated Multiway valve 11, for alternately acting on a piston 12 of the cylinder 5 or arranged to block the supply line 6 and return line 7.
  • the cylinder 5 has a housing at one of a piston rod 13 projected end portion 14 15, in which for a pair of pivotal arms 16, 17 a common bearing arrangement 18 is provided in which these stored and in a to a pivot axis 19 of the bearing assembly 18 vertically extending pivot plane 20 in the manner of a Scissors are pivotable.
  • the drive takes place via the piston rod 13 of the cylinder 5, via a lever assembly 21 in Antriesbriv with the pivot arms 16:17 stands.
  • the finger-like pivot arms 16, 17 are for example for a cutting operation during closing movement and with claws for a spreading process formed during opening movement, with a standard emerged has, after a maximum spread width 22 between 300 mm and 350 mm, preferred 330 mm.
  • the driver element 25 comprises the swivel arm 16 U-shaped, with a base bar 28 a stop 29 forming on a back surface 30 abuts and legs 31, 32, the pivot arm 16 on side surfaces 33, 34th overlap in certain areas.
  • the legs 31, 32 and the pivot arm 16 are with perpendicular to the side surfaces 33, 34 extending bores 35 provided by a locking pin 36 for connecting the driver element 25 with the pivot arm 16 are penetrated, whereby a detachable connection is achieved.
  • a the Swivel arm 16 protruding end portion 37 of the driver element 25 is fork-like Actuating claws 38, 39 provided, the radial bearings 40 have, in particular are formed by split pivot axes 41, which in the operating claws 38, 39 are concentric with each other and form a pivot axis 41, the runs approximately perpendicular to the pivoting plane 20.
  • Another support of the driver 25 takes place by engaging behind a connecting web 43 of the actuating claws 38, 39 formed by a spreader 44 as an end portion 23 of the Swivel arm 16, over which the spreading forces transmitted to the driver element 25 become.
  • the connecting web 43 with the actuating claws 38, 39 form in their arrangement a clevis 45 from, this training ident training on the other Swivel arm 17 with the driver element 26 is.
  • the plunger 46, 47 are e.g. formed from pipe sections 51, which via a guide assembly 52 to each other concentric and axially stable with respect to a running in the pivoting plane 20 Guided longitudinal center axis 53 and relative to each other via the pivot arms 16, 17 and the driver elements 25, 26 in the direction of the longitudinal central axis 53 adjustable are.
  • the guide assembly 52 is in the embodiment shown as a telescopic Profile arrangement 54 is formed, which consists of telescoping pipe sections 55, 56, 57 is formed.
  • the spreading device 1 with the plunger assembly 48 in her shown retracted state.
  • the plunger assembly 48 consists of the pressure plunger 46, 47 forming pipe sections 51.
  • Each of the pipe sections 51st has approximately in the direction of the longitudinal central axis 53 extending length 58, the in about half the minimum spread 22 corresponds.
  • the pipe sections 51 are provided with these closing end caps 60, e.g. welded with these, with approximately pyramidal extensions 61, which end faces 62 project beyond, are provided. These extensions 61 allow a non-skid approach for wall parts 63 to be spread, e.g. of body parts, etc.
  • In this retracted state of the spreading device 1 are facing each other End faces 64, 65 of the pipe sections 51 on each other as well as the Swivel arms 16, 17 and the fork heads 45 of the driver elements 25, 26 in one Center plane 66 on each other.
  • the pipe sections 51 Within the pipe sections 51 is the from the pipe sections 55, 56, 57th formed profile assembly 54, which the guide assembly 52 for the plunger 46, 47 trains.
  • the profile assembly 54 is connected by grooves 67 and pins 68 a Stop assembly 69 with respect to the displacement of the individual Pipe sections 51, 55, 56, 57 coupled to each other to extend and retract the plunger assembly 48 a coordinated movement of the pipe sections 51, 55, 56, 57.
  • FIG. 5 shows a further embodiment of a spreading device 1 according to the invention shown with a fixing device 74 for the push rod assembly 48.
  • the push rod assembly 48 for. in the extended State by means of the pipe sections 51, 55, 56, 57 in holes 75 pluggable Bolt 76 to prevent retraction and thus a relief for the drive 3, e.g. Pressure relief for the hydraulic system, to achieve or even the rescue device 2 disconnect by e.g. to create better access conditions for salvage, wherein a springback of the spread-wall parts 63 effectively avoided becomes.
  • the pivot bearing 71 - as shown in Fig. 4 - detachable train.
  • the pivot arms 16, 17 directly to the push rods 46, 47 via the pivot bearing 71 to connect detachable are.
  • the power transmission takes place from the drive 3 from the piston rod; 13 or a movement connected to the piston rod 13 Rod end 77 via connecting lever 78, 79, which the lever assembly 21st form, or bolts 80, 81, 82 on the pivot arms 16, 17th
  • the fixing device 74 can also be threaded on the pipe sections 55, 56, 57 and formed on these threaded threaded adjusting nuts become.
  • the plunger assembly 48 may be with different telescoping telescoping Profiles, such as Round tubes or hollow sections, with e.g. square cross section are formed, the latter in addition to the axle stability and a high resistance to twisting exhibit.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Actuator (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Lubricants (AREA)
  • Massaging Devices (AREA)
  • Soil Working Implements (AREA)

Claims (16)

  1. Dispositif écarteur (1) pour élargir des ouvertures, utilisé en particulier pour le sauvetage de personnes enfermées, avec un organe d'entraínement (3) pouvant être chargé par un milieu sous pression (4) et avec des bras de pivotement (16, 17), couplés à celui-ci pour exécuter un mouvement de pivotement synchrone opposé, réalisés par exemple comme éléments de coupe et/ou d'écartement, logés d'une manière pivotante dans un boítier recevant l'organe d'entraínement (3), qui se trouvent en une liaison d'entraínement avec des poussoirs de pression (46, 47) d'un agencement de poussoirs de pression (48) qui sont réalisés d'une manière ajustable dans la direction d'un axe médian longitudinal (53) s'étendant à peu près parallèlement à un plan de pivotement (20) des bras de pivotement (16, 17), caractérisé en ce que sont disposés dans des zones d'extrémité saillantes (23, 24) des bras de pivotement (16, 17), des éléments d'entraínement (25, 26) en forme de doigt pour l'actionnement de l'agencement de poussoirs de pression (48), qui présentent des griffes d'actionnement (38, 39) orientées vers les poussoirs de pression (46, 47) et entourant ceux-ci dans la direction périphérique dans une zone partielle à la manière d'une fourche, qui sont reliées d'une manière pivotante par des paliers de pivotement aux poussoirs de pression (46, 47).
  2. Dispositif écarteur selon la revendication 1, caractérisé en ce que l'agencement de poussoirs de pression (48) présente deux poussoirs de pression (46, 47) espacés l'un de l'autre dans la direction de l'axe médian longitudinal (53), qui sont guidés d'une manière déplaçable dans un agencement de guidage (52) à axe stable, s'étendant dans la direction de l'axe médian longitudinal (53).
  3. Dispositif écarteur selon la revendication 2, caractérisé en ce que l'agencement de guidage (52) est formé par un agencement profilé (54) ajustable de manière télescopique.
  4. Dispositif écarteur selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que les poussoirs de pression (46, 47) sont formés par des tronçons tubulaires (51) pourvus dans les zones d'extrémité opposées (59) de capuchons d'extrémité (60) qui sont en prise avec l'agencement profilé télescopique (54).
  5. Dispositif écarteur selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que l'agencement profilé (54) reliant les poussoirs de pression (46, 47) est formé par des tronçons tubulaires (55, 56, 57) guidés les uns dans les autres.
  6. Dispositif écarteur selon l'une des revendications 4 ou 5, caractérisé en ce que les tronçons tubulaires (55, 56, 57) de l'agencement profilé (54) sont équipés d'un agencement de butée (69) limitant le chemin de déplacement.
  7. Dispositif écarteur selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que les éléments d'entraínement (25, 26) sont reliés relâchablement aux bras de pivotement (16, 17) par des axes débrochables (36) passant à travers des perçages (35) des éléments d'entraínement (25, 26) et des bras de pivotement (16, 17).
  8. Dispositif écarteur selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que les paliers de pivotement, de préférence des paliers radiaux (40), sont disposés sur les griffes d'actionnement (38, 39).
  9. Dispositif écarteur selon la revendication 8, caractérisé en ce que des tourillons (49, 50) liés en mouvement aux poussoirs de pression (46, 47), faisant saillie sur les poussoirs de pression (46, 47) dans la direction radiale, s'étendant concentriquement l'un à l'autre, sont logés d'une manière pivotante dans les paliers radiaux (40).
  10. Dispositif écarteur selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que l'agencement de poussoirs de pression (48) réalisé de manière télescopique est formé par des tronçons tubulaires ronds.
  11. Dispositif écarteur selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que l'agencement de poussoirs de pression (48) réalisé de manière télescopique est formé par des tronçons profilés creux d'une section transversale à peu près quadratique.
  12. Dispositif écarteur selon l'une ou plusieurs des revendications 2 à 11, caractérisé en ce que l'agencement de guidage (52) est pourvu d'un dispositif de fixation (74) bloquant le déplacement de l'agencement de poussoirs de pression (48).
  13. Dispositif écarteur selon la revendication 12, caractérisé en ce que le dispositif de fixation (74) est formé par des boulons (76) faisant saillie à travers les tronçons tubulaires (51, 55, 56, 57) de l'agencement profilé (54) dans la direction radiale des perçages (75).
  14. Dispositif écarteur selon l'une des revendications 12 ou 13, caractérisé en ce que le dispositif de fixation (74) est formé par des agencements de filetage et des écrous de réglage sur les tronçons tubulaires (51, 55, 56, 57) de l'agencement profilé (54).
  15. Dispositif écarteur selon l'une ou plusieurs des revendications précédentes, caractérisé en ce qu'une distance entre des faces frontales (62) opposées l'une à l'autre des poussoirs de pression (46, 47) est ajustable dans une zone d'une largeur d'écartement minimale d'environ 250 mm à 300 mm jusqu'à une largeur d'écartement maximale préférée (70) d'environ 700 mm.
  16. Dispositif écarteur selon l'une ou plusieurs des revendications 4 à 15, caractérisé en ce que les capuchons d'extrémité (60) des poussoirs de pression (46, 47) sont pourvus de prolongements (61) faisant saillie sur les faces frontales (62).
EP00918549A 1999-04-06 2000-04-04 Dispositif ecarteur Expired - Lifetime EP1169089B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AT22499U 1999-04-06
AT22499 1999-04-06
AT22499 1999-04-06
PCT/AT2000/000077 WO2000059578A1 (fr) 1999-04-06 2000-04-04 Dispositif ecarteur

Publications (2)

Publication Number Publication Date
EP1169089A1 EP1169089A1 (fr) 2002-01-09
EP1169089B1 true EP1169089B1 (fr) 2004-11-03

Family

ID=3484842

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00918549A Expired - Lifetime EP1169089B1 (fr) 1999-04-06 2000-04-04 Dispositif ecarteur

Country Status (6)

Country Link
US (1) US6443430B1 (fr)
EP (1) EP1169089B1 (fr)
AT (1) ATE281211T1 (fr)
AU (1) AU3944500A (fr)
DE (1) DE50008509D1 (fr)
WO (1) WO2000059578A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10053504C1 (de) * 2000-10-27 2002-02-28 Lukas Hydraulik Gmbh & Co Kg Rettungsgerät mit verstellbarer Armlänge
USD523314S1 (en) * 2004-04-06 2006-06-20 Kabushiki Kaisha Ogura Lock opening device
USD521341S1 (en) * 2004-04-06 2006-05-23 Kabushiki Kaisha Ogura Lock opening device
US20070029101A1 (en) * 2005-08-05 2007-02-08 Paul Croas Hammerhead forcible entry tool used to defeat burglar bars
US20110140329A1 (en) * 2009-12-16 2011-06-16 Mandody Winfred E Modular Hydraulic Load Support Device
US20120284985A1 (en) * 2011-03-23 2012-11-15 Cataldo Proia Alignment Tool
CN108771797B (zh) * 2018-08-20 2023-07-21 江西鼎峰装备科技有限公司 一种电动扩张器
CN111514478B (zh) * 2020-05-15 2021-06-04 德州市生辉液压有限公司 一种消防应急用液压扩张器
CN112870583B (zh) * 2021-01-27 2022-08-09 滕州众友重工机械设备有限公司 一种救援液压扩张器
US20230105274A1 (en) * 2021-06-09 2023-04-06 Matthew Speed De-escalating device

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3635440A (en) * 1970-07-20 1972-01-18 Brammall Inc Force-exerting apparatus
US4273311A (en) * 1980-01-09 1981-06-16 Cranjer Company, Inc. Rescue tool having spreader plates
US4392263A (en) * 1981-02-02 1983-07-12 Amoroso Michael J Portable rescue tool
US4531289A (en) 1983-01-28 1985-07-30 F. M. Brick Industries, Inc. High-power rescue tool
IL80536A (en) 1986-11-07 1990-11-05 Mordechai Yirmiyahu Device for force-opening doors
US4789134A (en) 1987-07-24 1988-12-06 Tenuto Jr John B Forcible entry tool
US4973028A (en) 1989-11-21 1990-11-27 Hale Fire Pump Company Rescue tool jaw
NL9200881A (nl) * 1992-05-19 1993-12-16 Holmatro B V Deurforceerinrichting.
US5622353A (en) 1995-05-30 1997-04-22 Amkus, Inc. High powered rescue tool
US5810333A (en) * 1997-02-06 1998-09-22 Curtiss Wright Flight Systems Inc. Ram device

Also Published As

Publication number Publication date
DE50008509D1 (de) 2004-12-09
EP1169089A1 (fr) 2002-01-09
US6443430B1 (en) 2002-09-03
WO2000059578A1 (fr) 2000-10-12
AU3944500A (en) 2000-10-23
ATE281211T1 (de) 2004-11-15

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