EP0941959B1 - Kranhubwerk - Google Patents
Kranhubwerk Download PDFInfo
- Publication number
- EP0941959B1 EP0941959B1 EP98890071A EP98890071A EP0941959B1 EP 0941959 B1 EP0941959 B1 EP 0941959B1 EP 98890071 A EP98890071 A EP 98890071A EP 98890071 A EP98890071 A EP 98890071A EP 0941959 B1 EP0941959 B1 EP 0941959B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cable
- load
- strands
- bearing means
- 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.)
- Expired - Lifetime
Links
Images
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 as described in the preamble of claim 1.
- the invention is therefore based on the object of a hoist of the type described to create a relatively low-cost yet functionally reliable load stabilization against pendulum movements.
- the invention solves this problem by the reproduced in the characterizing part of claim 1 Features, which makes it a technically very simple, in the actual lifting device integrated load stabilization comes, with the necessary cable drain devices or rope drive devices without difficulty on a trolley or the like. can be accommodated, and this load stabilization ensures up to a maximum acceleration the immediate subsequent movement of the load depending on the crane movement.
- the acceleration limit can be set from the hoist data, such as the rope arrangement and the maximum necessary Lift height, so that when designing the hoist on the respective Considered requirements and, for example, the size of the drain triangle accordingly the desired lifting height and acceleration limit values can be selected.
- two cable drives are with Three rope strands each are provided, the load suspension means a common crossbar or the like.
- the rope stabilization can also be used when using a traverse, as it occurs, for example, in magnetic crane systems, whereby the rope stabilization, the distance from each other is selected according to the requirements of the traverse, one Pendulum securing of the traverse results in which securing is independent of the center of gravity the combination of traverse and load comes into effect and also a twisting of the Traverse around a vertical axis prevented.
- Crane hoist comprises three rope strands 2, 3, 4, who carry a load suspension device 5, for example a crane hook 6, at the load-side end.
- the three rope strands 2, 3, 4 are wound on a common rope drum 7, the two outer rope strands 3, 4 from the rope drum via pulleys 8, 9 to the load handling device 5 lead, the middle rope strand 2, however, directly down from the rope drum 7 leads.
- the drain points 10, 11, 12 of the rope strands 2, 3, 4 from the rope drum 7 or the deflection rollers 8, 9 form an equilateral triangle D and the center lines of the Rope strands 2, 3, 4 define a three-sided pyramid P, which points downwards, whose tip S on the vertical line of gravity L of the load handling device 5 and approximately in the The height of its focus is.
- This three-strand guide of the cable drive 1 results in a particularly simple manner Functionally reliable load stabilization against undesired pendulum movements, so that during conveyor movements a crane system equipped with such a cable drive 1 in any Direction the load hanging on the load handler immediately follows the driving movements, as long as certain acceleration limits are not 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 cable 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 strands of rope via respective pulleys 17, 18; 8, 19; 9, 20 lead down to the load handling device 5 and in each case the drainage points 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 takes place and the crossbar is raised parallel to itself 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)
Description
- Fig. 1
- ein erfindungsgemäßes Kranhubwerk in einem Funktionsschema;
- Fig. 2 bis 4
- Ausführungsbeispiele eines Kranhubwerkes, gemäß dem Stand der Technik;
- Fig. 5
- eine andere Ausbildung des erfindungsgemäßen Kranhubwerkes in schematischer Darstellung;
Claims (5)
- Kranhubwerk mit wenigstens einem Seiltrieb (1) und einem am Seiltrieb befestigbaren Lastaufnahmemittel (5), welcher Seiltrieb (1) drei Seilstränge (2, 3, 4) umfaßt, die über voneinander beabstandete Seilablaufeinrichtungen, vorzugsweise Seiltrommeln (7), Umlenkrollen (8,9) od. dgl., abwärts zum Lastaufnahmemittel (5) geführt sind, wobei die Ablaufstellen (10, 11, 12) der Seilstränge (2, 3, 4) von den Seilablaufeinrichtungen ein im Wesentlichen gleichseitiges Dreieck (D) bilden und die Mittellinien der abwärts geführten Seilstränge (2, 3, 4) eine mit der Spitze (S) abwärts gerichtete dreiseitige im Wesentlichen regelmäßige Pyramide (P) bestimmen, und wobei die drei Seilstränge (2, 3, 4) auf einer gemeinsamen Seiltrommel (7) oder auf drei koaxialen, miteinander im Sinne gleicher Seilgeschwindigkeiten antriebsverbundenen Einzelseiltrommeln gewickelt sind und die beiden äußeren Seilstränge (3, 4) von der Seiltrommeln (7) über gelenkig gelagerte Umlenkrollen (8, 9) zum Lastaufnahmemittel (5) führen, dadurch gekennzeichnet, daß der mittlere Seilstrang (2) direkt von der Seiltrommel (7) abwärts zum Lastaufnahmemittel (5) führt.
- Kranhubwerk nach Anspruch 1, dadurch gekennzeichnet, daß die Spitze (S) der Pyramide (P) auf der vertikalen Schwerlinie (L) des Lastaufnahmemittels (6) und vorzugsweise im Höhenbereich dessen Schwerpunktes liegt.
- Kranhubwerk nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß zwei Seiltriebe (1, 21) mit jeweils drei Seilsträngen (2, 3, 4; 22, 23, 24) vorgesehen sind, deren Lastaufnahmemittel (5, 25) eine gemeinsame Traverse (26) od. dgl. aufweisen.
- Kranhubwerk nach Anspruch 3, dadurch gekennzeichnet, daß die Seilstränge (2, 3, 4; 22, 23, 24) der beiden Seiltriebe (1, 21) auf einer gemeinsamen Seiltrommel (7) gewikkelt sind.
- Kranhubwerk nach Anspruch 3, dadurch gekennzeichnet, daß für die Seilstränge (2, 3, 4; 22, 23, 24) beider Seiltriebe (1, 21) jeweils eigene, für sich antreibbare Seiltrommeln vorgesehen sind.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE59811423T DE59811423D1 (de) | 1998-03-13 | 1998-03-13 | Kranhubwerk |
EP98890071A EP0941959B1 (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 (de) | 1998-03-13 | 1998-03-13 | Kranhubwerk |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0941959A1 EP0941959A1 (de) | 1999-09-15 |
EP0941959B1 true EP0941959B1 (de) | 2004-05-19 |
Family
ID=8237153
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98890071A Expired - Lifetime EP0941959B1 (de) | 1998-03-13 | 1998-03-13 | Kranhubwerk |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0941959B1 (de) |
AT (1) | ATE267138T1 (de) |
DE (1) | DE59811423D1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2703332A1 (de) | 2012-08-30 | 2014-03-05 | Scheffer Krantechnik GmbH | Kranhubwerk |
Families Citing this family (5)
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 |
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 |
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 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE240627C (de) * | ||||
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 |
FR2164504B1 (de) * | 1971-12-23 | 1976-06-04 | 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 |
-
1998
- 1998-03-13 EP EP98890071A patent/EP0941959B1/de not_active Expired - Lifetime
- 1998-03-13 AT AT98890071T patent/ATE267138T1/de active
- 1998-03-13 DE DE59811423T patent/DE59811423D1/de not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2703332A1 (de) | 2012-08-30 | 2014-03-05 | Scheffer Krantechnik GmbH | Kranhubwerk |
Also Published As
Publication number | Publication date |
---|---|
ATE267138T1 (de) | 2004-06-15 |
EP0941959A1 (de) | 1999-09-15 |
DE59811423D1 (de) | 2004-06-24 |
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