EP0941959A1 - Mécanisme de levage de grue - Google Patents

Mécanisme de levage de grue Download PDF

Info

Publication number
EP0941959A1
EP0941959A1 EP98890071A EP98890071A EP0941959A1 EP 0941959 A1 EP0941959 A1 EP 0941959A1 EP 98890071 A EP98890071 A EP 98890071A EP 98890071 A EP98890071 A EP 98890071A EP 0941959 A1 EP0941959 A1 EP 0941959A1
Authority
EP
European Patent Office
Prior art keywords
rope
cable
strands
load
crane hoist
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
Application number
EP98890071A
Other languages
German (de)
English (en)
Other versions
EP0941959B1 (fr
Inventor
Andreas Dipl.-Ing. Lackner
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.)
Voith Werke Ing A Fritz Voith GmbH and Co KG
Original Assignee
Voith Werke Ing A Fritz Voith GmbH and Co KG
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 Voith Werke Ing A Fritz Voith GmbH and Co KG filed Critical Voith Werke Ing A Fritz Voith GmbH and Co KG
Priority to EP98890071A priority Critical patent/EP0941959B1/fr
Priority to DE59811423T priority patent/DE59811423D1/de
Priority to AT98890071T priority patent/ATE267138T1/de
Publication of EP0941959A1 publication Critical patent/EP0941959A1/fr
Application granted granted Critical
Publication of EP0941959B1 publication Critical patent/EP0941959B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B66C13/00—Other constructional features or details
    • B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
    • B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads

Definitions

  • the invention relates to a crane hoist with at least one cable drive and a load suspension device that can be attached to the cable drive.
  • the invention is therefore based on the object of a hoist as described in the introduction Art to create that a relatively complex, yet reliable Load stabilization against pendulum movements.
  • the cable drive comprises three rope strands via spaced-apart cable drain devices, such as cable drums, deflection rollers od.
  • spaced-apart cable drain devices such as cable drums, deflection rollers od.
  • the drain points of Ropes from the rope drain devices form a preferably equilateral triangle and the center lines of the downward rope strands one with the tip down determine the three-sided pyramid.
  • any suitable lifting device be it a single rope, a chain, two or more parallel ropes or chains, rope or chain dreams of a block and tackle or other winches u.
  • soft rope strands along their center line resultant lifting force resultants acting on the load suspension device.
  • the result is a technically very simple one, integrated into the actual lifting device Load stabilization, with the necessary cable drain devices or rope drive devices without difficulty on a trolley or the like let, and this load stabilization ensures up to a maximum Acceleration of the immediate subsequent movement of the load depending on the Crane movement.
  • the acceleration limit value from the hoist data such as the cable harness arrangement and the maximum necessary lifting height, so that when designing the Hoist to take into account the respective requirements and for example the size of the drain triangle according to the desired lifting height and acceleration limit values can be chosen.
  • the top of the pyramid lies on the vertical center of gravity of the load handler and preferably in the height range of its focus, is also on the hanging Load itself has a stabilizing effect and a swinging of the load around it Load handler difficult.
  • the triangular arrangement of the cable drain devices in the side drum area ensure at least the two outer rope strands of the rope drum guided via articulated deflection rollers to the load handler, so that the two Deflection pulleys with their drainage points for the rope strands on the outside of the rope drum and the rope drum itself with its drainage point for the middle rope strand Determine the corner points of the drain triangle.
  • the slip angle of the rope strands with respect to the rope pulleys can be influenced, which slip angle due to the winding process of the rope strand on the rope drum dependent sidewalk along the drum and that by a Increasing the distance between the cable drum and the pulley can be reduced can.
  • two cable drives each with three Rope strands provided, the load suspension means or a common traverse.
  • the rope stabilization can also be used when using a traverse, as it occurs, for example, in magnetic crane systems, whereby the rope stabilization, their distance from each other chosen according to the requirements of the traverse will result in a pendulum protection of the traverse, which protection is independent from the center of gravity of the combination of traverse and load is fully effective and also prevents the traverse from rotating about a vertical axis.
  • a rope drive 1 of a crane hoist comprises three rope strands 2, 3, 4, the load-carrying means 5, for example a crane hook, at the load-side end 6 wear.
  • the three rope strands 2, 3, 4 are on a common rope drum 7 wound, the two outer rope strands 3, 4 from the rope drum over pulleys 8, 9 lead to the load suspension device 5, the middle rope strand 2, however, directly leads down from the cable drum 7.
  • the drain points 10, 11, 12 of the rope strands 2, 3, 4 of the side drum 7 or the deflection rollers 8, 9 form an equilateral as possible Triangle D and the center lines of the rope strands 2, 3, 4 determine one with the tip downward triangular pyramid P, the apex S on the vertical line of gravity L of the load handling device 5 and approximately in the height of its center of gravity.
  • This three-strand guide of the cable drive 1 results in a particularly simple manner Way a reliable load stabilization against undesired pendulum movements, so that one equipped with such a cable drive 1 during conveying movements Crane system in any direction the load hanging on the load handler the driving movements immediately follows, as long as certain acceleration limit values not be exceeded.
  • all three rope strands 2, 3, 4 are from the rope drum 7 via deflection rollers 8, 9, 15 to the load suspension device 5 to larger Allow rope migration at low slip angles.
  • the rope strands 2, 3, 4 can also each over two deflection pulleys lined up in series, for example only the middle rope strand leads over two deflection rollers 17, 18 arranged in series (Fig. 3) or all three rope strands via respectively arranged pulleys 17, 18; 8, 19; 9, 20 lead downwards to the load suspension device 5 and in each case the drain parts of the last deflection rollers define the drain triangle.
  • the two rope drives 1, 21 are wound on a common cable drum 7, with which a parallel operation of the two cable drives 1, 21 is carried out and the crossbar is raised parallel to and is lowered.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
  • Control And Safety Of Cranes (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
EP98890071A 1998-03-13 1998-03-13 Engin de levage pour grue Expired - Lifetime EP0941959B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP98890071A EP0941959B1 (fr) 1998-03-13 1998-03-13 Engin de levage pour grue
DE59811423T DE59811423D1 (de) 1998-03-13 1998-03-13 Kranhubwerk
AT98890071T ATE267138T1 (de) 1998-03-13 1998-03-13 Kranhubwerk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP98890071A EP0941959B1 (fr) 1998-03-13 1998-03-13 Engin de levage pour grue

Publications (2)

Publication Number Publication Date
EP0941959A1 true EP0941959A1 (fr) 1999-09-15
EP0941959B1 EP0941959B1 (fr) 2004-05-19

Family

ID=8237153

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98890071A Expired - Lifetime EP0941959B1 (fr) 1998-03-13 1998-03-13 Engin de levage pour grue

Country Status (3)

Country Link
EP (1) EP0941959B1 (fr)
AT (1) ATE267138T1 (fr)
DE (1) DE59811423D1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10135034C1 (de) * 2001-07-18 2002-10-31 Demag Cranes & Components Gmbh Hubwerk mit einer Seilanordnung
CN104444770A (zh) * 2014-11-03 2015-03-25 无锡市百顺机械厂 吊装工具
CN104444772A (zh) * 2014-11-03 2015-03-25 无锡市百顺机械厂 吊装工具
CN114380224A (zh) * 2022-01-10 2022-04-22 浙江经典建筑装饰有限公司 一种建筑用吊运装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2552697T3 (es) 2012-08-30 2015-12-01 Scheffer Krantechnik Gmbh Mecanismo elevador de grúa
CN110451405A (zh) * 2019-06-28 2019-11-15 佳力机械股份有限公司 起重机环链止摇装置及环链起重设备

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE240627C (fr) *
US2805781A (en) * 1955-01-24 1957-09-10 Arthur L Senn Load stabilized crane
US3107791A (en) * 1962-11-26 1963-10-22 Lake Shore Inc Load handling apparatus
GB1002758A (en) * 1962-11-20 1965-08-25 C H Wheeler Mfg Co Anti-pendulation device for jig cranes
FR2164504A1 (fr) * 1971-12-23 1973-08-03 Casteran Jean
DE3717890A1 (de) * 1987-05-27 1988-12-15 Weingarten Gunter Seegangsfolge-vorrichtung
DE4126508A1 (de) * 1991-08-07 1993-02-11 Mannesmann Ag Kran

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE240627C (fr) *
US2805781A (en) * 1955-01-24 1957-09-10 Arthur L Senn Load stabilized crane
GB1002758A (en) * 1962-11-20 1965-08-25 C H Wheeler Mfg Co Anti-pendulation device for jig cranes
US3107791A (en) * 1962-11-26 1963-10-22 Lake Shore Inc Load handling apparatus
FR2164504A1 (fr) * 1971-12-23 1973-08-03 Casteran Jean
DE3717890A1 (de) * 1987-05-27 1988-12-15 Weingarten Gunter Seegangsfolge-vorrichtung
DE4126508A1 (de) * 1991-08-07 1993-02-11 Mannesmann Ag Kran

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10135034C1 (de) * 2001-07-18 2002-10-31 Demag Cranes & Components Gmbh Hubwerk mit einer Seilanordnung
CN104444770A (zh) * 2014-11-03 2015-03-25 无锡市百顺机械厂 吊装工具
CN104444772A (zh) * 2014-11-03 2015-03-25 无锡市百顺机械厂 吊装工具
CN114380224A (zh) * 2022-01-10 2022-04-22 浙江经典建筑装饰有限公司 一种建筑用吊运装置
CN114380224B (zh) * 2022-01-10 2024-04-26 浙江经典建设有限公司 一种建筑用吊运装置

Also Published As

Publication number Publication date
DE59811423D1 (de) 2004-06-24
ATE267138T1 (de) 2004-06-15
EP0941959B1 (fr) 2004-05-19

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