EP1762533B1 - Vorrichtung zur seitlichen Führung eines Brückenkranes und Hebevorrichtung mit einer solchen Führungsvorrichtung - Google Patents

Vorrichtung zur seitlichen Führung eines Brückenkranes und Hebevorrichtung mit einer solchen Führungsvorrichtung Download PDF

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Publication number
EP1762533B1
EP1762533B1 EP06291431A EP06291431A EP1762533B1 EP 1762533 B1 EP1762533 B1 EP 1762533B1 EP 06291431 A EP06291431 A EP 06291431A EP 06291431 A EP06291431 A EP 06291431A EP 1762533 B1 EP1762533 B1 EP 1762533B1
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EP
European Patent Office
Prior art keywords
guide
moving equipment
lateral
resilient
sliding direction
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
EP06291431A
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English (en)
French (fr)
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EP1762533A2 (de
EP1762533A3 (de
Inventor
Didier Estievenart
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.)
Francaise Eiffel Construction Metallique Cie
Original Assignee
Francaise Eiffel Construction Metallique Cie
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Publication date
Application filed by Francaise Eiffel Construction Metallique Cie filed Critical Francaise Eiffel Construction Metallique Cie
Publication of EP1762533A2 publication Critical patent/EP1762533A2/de
Publication of EP1762533A3 publication Critical patent/EP1762533A3/de
Application granted granted Critical
Publication of EP1762533B1 publication Critical patent/EP1762533B1/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C17/00—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
    • B66C9/10—Undercarriages or bogies, e.g. end carriages, end bogies

Definitions

  • the present invention relates to guiding devices for cranes and lifting devices comprising such guiding devices.
  • the invention relates to a lateral guide device for a traveling crane, comprising at least one roller rotatably mounted about an axis of rotation on a moving element, said moving element being biased by a first elastic device to a position resting place where said roller is adapted to roll against a guide surface.
  • the present invention is intended in particular to further improve the guiding devices of the aforementioned type, in particular to improve the antiseismic effects.
  • a guiding device of the kind in question is characterized in that the moving element is slidably mounted on a first guide, in a direction of sliding substantially perpendicular to the axis of rotation of the roller, the moving element being biased by the first elastic device towards said rest position with respect to the first guide, and in that the first guide is itself slidably mounted on a second guide in said sliding direction, the first guide being retained in a normal position of use relative to the second guide by a retaining device adapted to release the first guide when a predetermined force is applied to said first guide in the sliding direction, a second elastic device being adapted to urge the first guide relative to the second guide to said normal position of use.
  • the subject of the invention is also a lifting device comprising a crane mounted on a superstructure, said crane comprising at least one lateral guiding device as defined above, the roller of which rolls on a guide surface belonging to to said superstructure.
  • the traveling crane may be a polar bridge guided in rotation by said guide surface, which is circular. The rest position corresponds to a normal position where the roller bears against the guide surface.
  • the figure 1 shows, in perspective, a partial view of a partial lifting device 1 comprising a crane 2 mounted on a superstructure 3, for example a cylindrical enclosure surrounding a nuclear reactor.
  • the traveling crane 2 is of polar type, that is to say mounted so as to be able to turn on itself in the cylindrical enclosure 3.
  • the crane 2 comprises carrying rollers 4 which roll on a circular rail 5 carried by the circular wall of the enclosure 3, in a manner known per se.
  • the lateral branches 16 frame the mobile assembly 10 and form two rails 17 facing each other, in which slides said moving assembly.
  • a first elastic device 18 is further interposed between the bottom 11 of the moving element and the base 15 of the first guide, so as to urge the moving element 10 towards the guide surface 8 by applying the outer periphery of the roller 7 against said guide surface.
  • the first elastic device 18 may comprise, for example, one or more stacks of conical elastic metal washers 19, the conical washers of each stack being superimposed on each other in the sliding direction R.
  • the elastic device 18 may comprise two conical washer stacks each comprising for example twenty washers "CRIBO" mounted in opposition two by two, the stiffness of each of these conical washer stacks being, in this particular example, 4167 N / mm.
  • Each of the lateral branches 16 of the first guide extends to a free end forming a stop 20, the two stops 20 of the first guide being normally located at the same distance D0 of the guide surface 8 when the moving element 10 is in a rest position, that is to say a normal position of use.
  • This distance D0 may for example be of the order of 20 mm.
  • the moving element 10 can therefore slide a maximum distance D0 towards the base 15 of the first guide against the biasing of the first elastic device 18.
  • the first guide 13 may advantageously comprise a position detector 21 (see FIG. figure 4 ), for example a simple electrical contact, adapted to detect for example the end position of the moving element 10, corresponding to the contact between the stops 20 and the guide surface 8.
  • the detector 21 can be connected to a unit electronic control unit 22 (CPU), for example an automaton belonging to the control system of the traveling crane 2, so as to deliver to said central electronic unit an alert signal when the moving equipment 10 reaches its end position (or any other intermediate position), significant of a malfunction of the crane 2. It is thus possible to warn the user of the crane of this malfunction.
  • CPU unit electronic control unit 22
  • the first guide device is normally rigidly attached to the second guide device, in a normal position of use visible on the figure 3 by means of a retaining device which is adapted to release the first guide 13 when a predetermined force F2 is applied to the first guide in the sliding direction R.
  • This predetermined force F2 may be, for example in the particular case considered here, 800 kN.
  • the guiding device 6 may comprise two retaining devices, each comprising a frangible pin 28 which passes through a hole 29 formed in one of the lateral branches 24 of the second guide and which penetrates into a hole 30 formed by example in the base 15 of the first guide (see figure 4 ).
  • frangible pins 28 are adapted to break when the first guide 13 undergoes said predetermined force F2, thereby releasing the first guide relative to the second guide 14.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
  • Control And Safety Of Cranes (AREA)
  • Steering Controls (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Claims (12)

  1. Seitenführungsvorrichtung für einen Laufkran, die mindestens eine Rolle (7) umfasst, die drehbar um eine Drehachse (Z) auf einem beweglichen Teil (10) gelagert ist, wobei das bewegliche Teil durch eine erste elastische Vorrichtung (18) in Richtung einer Ruhelage gespannt wird, in der die Rolle (7) angepasst ist, um gegen eine Führungsfläche (8) zu rollen, dadurch gekennzeichnet, dass das bewegliche Teil (10) gemäß einer Gleitrichtung (R), die im Wesentlichen senkrecht zur Drehachse (Z) der Rolle ist, gleitend auf einer ersten Führung (13) gelagert ist, wobei das bewegliche Teil (10) durch die erste elastische Vorrichtung (18) in die Richtung der Ruhelage in Bezug auf die erste Führung (13) gespannt wird, dadurch, dass die erste Führung (13) selbst gemäß der Gleitrichtung (R) gleitend auf einer zweiten Führung (14) gelagert ist, wobei die erste Führung (13) durch eine Rückhaltevorrichtung (28), die angepasst ist, um die erste Führung (13) freizugeben, wenn eine vorbestimmte Kraft (F2) in der Gleitrichtung auf die erste Führung angewandt wird, in einer normalen Benutzungslage in Bezug auf die zweite Führung (14) zurückgehalten wird, wobei eine zweite elastische Vorrichtung (26) angepasst ist, um die die erste Führung (13) in Bezug auf die zweite Führung (14) in die Richtung der normalen Benutzungslage zu spannen.
  2. Seitenführungsvorrichtung nach Anspruch 1, wobei die erste elastische Vorrichtung (18) vorgespannt ist, wenn das bewegliche Teil (10) in seiner Ruhelage ist.
  3. Seitenführungsvorrichtung nach Anspruch 1 oder Anspruch 2, wobei die Rückhaltevorrichtung (28) eine zerbrechliche Vorrichtung ist, die angepasst ist, um zu zerbrechen, wenn die erste Führung (13) die vorbestimmte Kraft (F2) erfährt.
  4. Seitenführungsvorrichtung nach einem der vorhergehenden Ansprüche, die einen Lagedetektor (21) umfasst, der angepasst ist, um ein Alarmsignal abzugeben, wenn das bewegliche Teil (10) sich genug gegen die Spannung der ersten elastischen Vorrichtung (18) in die Gleitrichtung (R) verschoben hat.
  5. Seitenführungsvorrichtung nach einem der vorhergehenden Ansprüche, wobei die erste Führung (13) mindestens einen Anschlag (20) umfasst, der angepasst ist, um gegen die Führungsfläche (8) in Kontakt zu kommen, wenn das bewegliche Teil (10) sich genug gegen die Spannung der ersten elastischen Vorrichtung (18) in die Gleitrichtung (R) verschoben hat.
  6. Seitenführungsvorrichtung nach einem der vorhergehenden Ansprüche, wobei die erste Führung (13) zwei Gleitführungen (17) umfasst, die das bewegliche Teil (10) einrahmen und auf denen das bewegliche Teil gleitend gelagert ist, wobei die Gleitführungen (17) jeweils mit zwei Anschlägen (20) fest verbunden sind, die angeordnet sind, um sich in gleicher Entfernung von der Führungsfläche (8) zu befinden, wobei die Anschläge angepasst sind, um gleichzeitig mit der Führungsfläche in Kontakt zu kommen, wenn das bewegliche Teil (10) genug gegen die Spannung der ersten elastischen Vorrichtung (18) in die Gleitrichtung geglitten ist.
  7. Seitenführungsvorrichtung nach Anspruch 6, wobei die erste Führung (13) eine allgemeine U-Form aufweist, die einen Sockel (15) und zwei seitliche Schenkel (16) umfasst, die jeweils eine der Gleitführungen (17) und einen der Anschläge (20) umfassen, wobei die erste elastisch Vorrichtung (18) zwischen dem Sockel (15) der ersten Führung und dem beweglichen Teil (10) angeordnet ist.
  8. Seitenführungsvorrichtung nach Anspruch 7, wobei die zweite Führung (14) eine allgemeine U-Form mit einem Sockel (23) und zwei seitlichen Schenkein (24) umfasst, die jeder eine zusätzliche Gleitführung (25) umfassen, wobei die erste Führung (13) gleitend in den zusätzlichen Gleitführungen (25) gelagert ist und die zweite elastische Vorrichtung (26) zwischen dem Sockel (15) der ersten Führung und dem Sockel (23) der zweiten Führung angeordnet ist.
  9. Seitenführungsvorrichtung nach einem der vorhergehenden Ansprüche, wobei die erste und die zweite elastische Vorrichtung (18, 26) jede mindestens einen Stapel von konischen elastischen runden Scheiben (19, 27) umfasst.
  10. Hebevorrichtung, die einen Laufkran (2) umfasst, der auf einem Überbau (3) gelagert ist, wobei der Laufkran (2) mindestens eine Seitenführungsvorrichtung (6) nach einem der vorhergehenden Ansprüche umfasst, deren Rolle (7) auf einer Führungsfläche (8) rollt, die zu dem Überbau (3) gehört.
  11. Hebevorrichtung nach Anspruch 10, wobei der Laufkran (2) ein Polarkran ist, der durch die Führungsfläche (8), die kreisförmig ist, drehend geführt wird.
  12. Hebevorrichtung nach Anspruch 10 oder Anspruch 11, wobei die Ruhelage einer normalen Lage entspricht, in der die Rolle (7) gegen die Führungsfläche (8) in Anlage ist.
EP06291431A 2005-09-12 2006-09-11 Vorrichtung zur seitlichen Führung eines Brückenkranes und Hebevorrichtung mit einer solchen Führungsvorrichtung Active EP1762533B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0509285A FR2890648B1 (fr) 2005-09-12 2005-09-12 Dispositif de guidage lateral pour pont roulant et dispositif de levage comportant un tel dispositif de guidage .

Publications (3)

Publication Number Publication Date
EP1762533A2 EP1762533A2 (de) 2007-03-14
EP1762533A3 EP1762533A3 (de) 2008-10-08
EP1762533B1 true EP1762533B1 (de) 2009-12-02

Family

ID=36177263

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06291431A Active EP1762533B1 (de) 2005-09-12 2006-09-11 Vorrichtung zur seitlichen Führung eines Brückenkranes und Hebevorrichtung mit einer solchen Führungsvorrichtung

Country Status (6)

Country Link
EP (1) EP1762533B1 (de)
CN (1) CN1931701B (de)
AT (1) ATE450473T1 (de)
DE (1) DE602006010781D1 (de)
ES (1) ES2337389T3 (de)
FR (1) FR2890648B1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103171974B (zh) * 2013-03-26 2015-05-27 大连华锐重工集团股份有限公司 环行起重机水平导向装置
CN105540447A (zh) * 2016-02-02 2016-05-04 大连连船重工有限公司 无轨门式起重机
CN107082365B (zh) * 2017-06-09 2019-04-19 大连华锐重工集团股份有限公司 环行起重机用双碟簧水平导向装置
CN113788411B (zh) * 2021-11-16 2022-02-11 成都西部泰力智能设备股份有限公司 一种核工程热室吊车

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4161144A (en) * 1978-02-27 1979-07-17 Harnischfeger Corporation Restraint means for overhead travelling crane
DE2900486C2 (de) * 1979-01-08 1983-06-30 PHB Weserhütte AG, 5000 Köln Rundlaufkran
BE897615A (fr) * 1982-12-10 1983-12-16 Vevey Atel Const Mec Dispositif parasimique pour construction industrielle
FR2627764B1 (fr) * 1988-02-25 1990-06-01 Lauterbourg Cfem Ind Fabr Meta Dispositif d'appui lateral pour trains de roulement a galets; pont roulant antisismique equipe de tels trains
CN2481686Y (zh) * 2001-04-21 2002-03-13 江西日月明实业有限公司 桥架式车架

Also Published As

Publication number Publication date
ATE450473T1 (de) 2009-12-15
CN1931701A (zh) 2007-03-21
FR2890648B1 (fr) 2007-11-16
ES2337389T3 (es) 2010-04-23
EP1762533A2 (de) 2007-03-14
DE602006010781D1 (de) 2010-01-14
EP1762533A3 (de) 2008-10-08
CN1931701B (zh) 2010-05-12
FR2890648A1 (fr) 2007-03-16

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