EP1553042B1 - chariot roulant sur deux rails avec un treuil - Google Patents

chariot roulant sur deux rails avec un treuil Download PDF

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Publication number
EP1553042B1
EP1553042B1 EP04030567A EP04030567A EP1553042B1 EP 1553042 B1 EP1553042 B1 EP 1553042B1 EP 04030567 A EP04030567 A EP 04030567A EP 04030567 A EP04030567 A EP 04030567A EP 1553042 B1 EP1553042 B1 EP 1553042B1
Authority
EP
European Patent Office
Prior art keywords
running
gear carrier
trolley
rails
rails according
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.)
Not-in-force
Application number
EP04030567A
Other languages
German (de)
English (en)
Other versions
EP1553042A1 (fr
Inventor
Klaus-Jürgen Winter
Franz Schulte
Michael Dammer
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.)
Demag Cranes and Components GmbH
Original Assignee
Demag Cranes and Components GmbH
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 Demag Cranes and Components GmbH filed Critical Demag Cranes and Components GmbH
Publication of EP1553042A1 publication Critical patent/EP1553042A1/fr
Application granted granted Critical
Publication of EP1553042B1 publication Critical patent/EP1553042B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B66C11/00—Trolleys or crabs, e.g. operating above runways
    • B66C11/02—Trolleys or crabs, e.g. operating above runways with operating gear or operator's cabin suspended, or laterally offset, from runway or track

Definitions

  • the invention relates to a double-rail trolley, in particular overhead double trolley with a first and a second chassis support, which are movable over wheels on a running rail and form a 3-point storage, wherein the first chassis carrier is connected to the second chassis carrier by means of a cross member approximately centrally and wherein the first chassis carrier has a greater longitudinal extent than the second chassis carrier, and with a hoist mounted on the cross member.
  • Such two-rail trolleys usually consist of two interconnected chassis beams that form such a frame and by means of partially driven wheels are each movable on opposite rails of the crane girders of a crane construction and have a hoist for lifting loads.
  • the hoist includes in addition to the cable drum, their drive, transmission and storage, and electrical control usually sub, top bottles and a load hook or gripper in a manner known to those skilled.
  • the hoist can be mounted at the top, approximately in the middle on a connecting the chassis carrier cross member, as is clear from the DE 1,938,831 and DE 6 608 185 is known.
  • the DE 944 330 discloses a two-rail trolley, in which the hoist or the cable drum is disposed between the chassis beams and forms the cross member to their connection.
  • a suspension shaft for two driven wheels leads through the cable drum, at one end of a head carrier is arranged, which carries a further impeller, which serves to guide the cat.
  • the height of the cat above the rails of the crane girders is not greater than the height the chassis carrier itself.
  • the chosen construction of the hoist is complex and the cat sensitive to distortion and tilt under load.
  • the object of the invention is therefore to provide a two-rail trolley with 3-point storage, whose height above the rails of the crane girder is as low as possible and at the same time ensures good accessibility to the essential components of the hoist.
  • the distance between the rails of the cat should not be increased and load the load as evenly as possible.
  • the trolley trolleys have a certain minimum height above the level of the rails on the crane girders, which is kept as low as possible, so that the overall height of the crane can be minimized. This is necessary, inter alia, for weight, space and cost reasons.
  • the load hook or the like is centered as far as possible within the distance of the chassis support to each other, so that the overall structure and in particular the wheels are loaded evenly under load, which in turn is of weight saving reasons of interest and is accompanied by a reduced design effort .
  • the cable drain point on the drum moves between two positions, namely the highest and lowest load position or height.
  • regulations for the dimensioning of the rope drives and constructive minimum requirements for free measurements to neighboring components must be observed.
  • first chassis carrier is connected to the second chassis carrier by means of the cross member approximately centrally and further comprises the first chassis carrier has a greater longitudinal extent than the second chassis carrier and thereby projects the hoist in the direction of travel beyond the second chassis carrier out, so accessibility you are the essential components of Hoist in a simple manner possible.
  • the second chassis support can be made very short and access to the hoist is not hindered.
  • the second chassis carrier can be configured with only one impeller. However, this depends on the planned operating conditions and the payload to be transported. The permissible load of the impeller and its attachment to the chassis girder must not be exceeded during operation.
  • At least one impeller is drivable and at least one pair of friction rollers cooperating with the driven impeller is arranged on the underside of the running rail, which can be adjusted by adjusting the distance from one another to the underside of the running rail, a slipping z. B. be prevented by lifting the driven wheel.
  • the traction roller serving as a non-driven pair of friction rollers Due to the inventive design of the traction roller serving as a non-driven pair of friction rollers, it is possible to design the friction roller construction in a particularly lightweight and compact and thus space-saving manner, since drive of the friction rollers has been dispensed with.
  • the two friction rollers of each friction roller pair are arranged symmetrically to the axis of rotation of the respective driven impeller below the impeller.
  • each pair of friction rollers is fixed via a support rod to the respective chassis carrier.
  • the support rod can in this case comprise two pivotable about a common axis two-armed lever, wherein at a free end of each lever, a friction roller is rotatably mounted.
  • the other two free ends of the levers of the support rod are then conveniently connected to each other via a spring-loaded pressure mechanism consisting of a screw connecting the two free ends of the lever and one can be placed on the screw and tensioned by a nut compression spring.
  • each pair of friction rollers is pivotably mounted on a shaft arranged transversely to the travel direction on the first chassis carrier.
  • FIGS 1 and 2 show a top running two rail trolley 300 according to the invention, comprising a first chassis carrier 301 and a second chassis carrier 302, which are each connected centrally by means of a cross member 303.
  • a hoist 304 is arranged in the direction of travel V of the two-rail trolley 300 in front of or behind and laterally on the cross member 103.
  • the first chassis carrier 301 has two wheels 313 and 315, of which the impeller 313 is provided with a drive 314 for moving the trolley in the direction of travel V on the rails 312 of the crane girder 311.
  • the axes of the wheels 313 and 315 are arranged one behind the other in the direction of travel V and have a large distance C, so that the wheels 313, 315 are mounted in the region of the beginning and end of the crane girder 311.
  • the illustrated embodiment of the two-rail trolley 300 according to the invention in which the second chassis support 302 has two wheels 316 and 317, which are attached via a rocker 320 to the cross member 303, whereby a statically determined 3-point storage of the trolley 300th is reached, so that it is possible in contrast to the conceivable rigid arrangement to compensate for different levels Aufstandus the wheels 316/317.
  • the swingarm goes in detail from the FIG. 3 out. It comprises a traverse 321 with two wheel axles 322 for the wheels 316 and 317, which is connected via a pendulum axle 323 with the second chassis carrier 302.
  • the pendulum axis 323 is pivotable about an aligned in the longitudinal direction of the cross member 303 and thus horizontal axis.
  • the axes of the two wheels 316 and 317 thus have, in contrast to those of the wheels 313, 315 a smaller distance D to each other.
  • the second chassis carrier has in the longitudinal direction just such an extent that the arrangement of the wheels 316 and 317 in the direction of travel V in succession is possible.
  • the first chassis carrier 301 has a greater longitudinal extension in the longitudinal or travel direction V than the second chassis carrier 302.
  • the second chassis carrier 302 does not hinder access to the hoist 304 since it protrudes laterally in the direction of travel V.
  • the lateral arrangement of the hoist 304 on the cross member 303 is such that the overall height H of the two-rail trolley above the rails 312 is not increased.
  • the upper edge of the hoist 304 thus does not protrude above the landing gear carrier 301 and 302 out.
  • all parts of the double-rail trolley according to the invention are arranged so that they do not protrude above the upper edge of the chassis support upwards (see. Fig. 2 ).
  • the cable drum 305 of the lifting mechanism 304 is connected by means of frame parts 306 and 307 with the cross member 303 and rotatably supported between them.
  • the frame part 307 of the lifting mechanism 304 which is adjacent to the second chassis carrier 302, are the main drive components, such as cable drum bearing, drive, gearbox and electrical control. Due to the positioning of the lifting mechanism 304 off-center on the cross member 303, ie, near the second girder carrier 302 facing crane girder 311 access to these components maintenance and repair friendly without scaffolding is possible.
  • the access to the frame part 307 of the hoist 104 is not restricted by the second chassis carrier 302.
  • the cross member 303 also serves to receive or fix a top flask 308 and a cable end attachment 309 of a rope 318 of the hoist 304.
  • the cable 318 is a simple Einscherung of the Seilendbefest only 309 via a load hook 310, the upper bottle 306 and the load hook 310 on the single-drum cable drum 305 out.
  • the load hook 310 travels between its lowest and highest lifting positions. This requires a favorable distribution of the load on the two-rail trolley.
  • the second chassis support 402 is formed with a further reduced end plate 402, which is made possible by the use of only one impeller 416.
  • This can be more cost-effective and structurally simpler with relatively small payloads, namely, if the permissible load of the end plate 402 does not exceed the permissible compressive stress under the impeller 416 during operation.
  • horizontal guide rollers 424 are provided in the vicinity of the wheels 413 and 415 of the first chassis support 401, which are mounted on the chassis support itself and supported laterally with little play on the rail 412 of the crane girder 411. As a result, an excessive skewing of the trolley is avoided, which is caused by the commonly used single-wheel drive on the impeller 413.
  • FIGS. 6 and 7 illustrated support roller pair 319, which is used in the embodiments described above.
  • the trained as a pair of friction rollers support roller pair 319 is provided on the chassis support 301, pivotally mounted under the chassis support and is supported by spring bias on the bottom 326 of the top plate 325 of the crane girder 311, so that slipping of the driven wheel 313 is prevented.
  • the support roller pair 319 is arranged on a downwardly extending arm 327 of the chassis carrier 301 and comprises two levers 328, which are strigkbar scissor-like manner via a pin 330.
  • the individual rollers 329 are rotatably arranged and at the other, opposite free end, the levers 328 are connected via a pressure mechanism 331 with each other.
  • the pressing mechanism 331 causes pivoting of the lever 328 relative to each other so that the distance between the rollers 329 to each other and thus their contact pressure against the bottom 326 of the top plate 325 of the crane girder 311 is adjusted. In this way, the impeller 313 can be pulled with the desired contact force on or against the rail 312 to prevent slippage.
  • the pressure mechanism 331 consists of a screw connecting the two free ends of the levers 328 332, on which a coil-shaped Spring 333 is fitted, and a nut 334 to adjust the spring 333 in a suitable manner or to tension.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
  • Leg Units, Guards, And Driving Tracks Of Cranes (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)

Claims (13)

  1. Chariot de pont roulant monté sur deux rails et comportant un treuil (304, 404), notamment chariot de pont roulant aérien monté sur deux rails, lequel comporte
    des premier et deuxième supports de mécanisme de roulement qui sont déplaçables chacun sur un rail de roulement (312, 412) au moyen de roues porteuses (315, 415, 316, 416, 317, 417) et qui forment un support à trois points d'appui,
    le premier support de mécanisme de roulement (301, 401) étant relié au deuxième support de mécanisme de roulement (302, 402) au moyen d'une traverse (303, 403) à laquelle est fixé le treuil (304, 404),
    caractérisé en ce que le treuil (304, 404) est fixé latéralement à la traverse (303, 403), entre les supports de mécanisme de roulement, de sorte que le treuil ne fait pratiquement pas saillie vers le haut au-dessus des supports de mécanisme de roulement, et en ce que le tambour à câble (305, 405) et une fixation d'extrémité de câble (309, 409) du treuil sont disposés d'un côté et une chape supérieure (308, 408) est disposée du côté opposé de la traverse.
  2. Chariot de pont roulant monté sur deux rails selon la revendication 1, caractérisé en ce que le réducteur à engrenages et/ou le tambour à câble et/ou la commande électrique du treuil (304, 404) sont disposés du côté du deuxième support de mécanisme de roulement (302, 402), notamment dans une partie de cadre (307, 407).
  3. Chariot de pont roulant monté sur deux rails selon l'une des revendications 1 à 2, caractérisé en ce que le deuxième support de mécanisme de roulement (302, 402) comporte une roue porteuse (416) ou deux roues porteuses (316, 317) espacées d'une faible distance (D).
  4. Chariot de pont roulant monté sur deux rails selon la revendication 3, caractérisé en ce que les roues porteuses (316, 317) sont reliées au support de mécanisme de roulement (302) par une coulisse (320).
  5. Chariot de pont roulant monté sur deux rails selon l'une des revendications précédentes, caractérisé en ce que le premier support de mécanisme de roulement (301, 401) est relié à peu près au milieu au deuxième support de mécanisme de roulement (302, 402) au moyen de la traverse (303, 403).
  6. Chariot de pont roulant monté sur deux rails selon l'une des revendications précédentes, caractérisé en ce que le premier support de mécanisme de roulement a une extension longitudinale qui est supérieure à celle du deuxième support de mécanisme de roulement et le treuil (304, 404) fait saillie, dans la direction de déplacement (V), au-dessus du deuxième support de mécanisme de roulement (302, 402).
  7. Chariot de pont roulant monté sur deux rails selon l'une des revendications précédentes, caractérisé en ce que des éléments de guidage horizontaux (424), notamment des roues de guidage, sont disposés aux extrémités du premier support de mécanisme de roulement (401).
  8. Chariot de pont roulant monté sur deux rails selon l'une des revendications précédentes, caractérisé en ce qu'au moins une roue porteuse (313, 413) est entraînable et au moins une paire de roues à friction (319), coopérant avec la roue porteuse entraînée (313), est disposée du côté inférieur (326) du rail de roulement, qui peuvent être amenées contre le côté inférieur (326) du rail de roulement en réglant la distance entre elles.
  9. Chariot de pont roulant monté sur deux rails selon la revendication 8, caractérisé en ce que les deux roues à friction (319) de chaque paire de roues à friction sont disposées au-dessous de la roue porteuse (313) symétriquement à l'axe de rotation de la roue porteuse respective (313).
  10. Chariot de pont roulant monté sur deux rails selon la revendication 8 ou 9, caractérisé en ce que chaque paire de roues à friction est fixée au support de mécanisme de roulement respectif (301) par un ensemble de tringles de support.
  11. Chariot de pont roulant monté sur deux rails selon la revendication 10, caractérisé en ce que l'ensemble de tringles de support comporte deux leviers à deux bras (328) aptes à pivoter autour d'un axe commun, une roue à friction (329) étant montée de façon à pouvoir tourner à une extrémité libre de chaque levier (328).
  12. Chariot de pont roulant monté sur deux rails selon la revendication 11, caractérisé en ce que les deux autres extrémités libres des leviers (328) de l'ensemble de tringles de support sont reliées entre elles par un mécanisme de pressage (331) contraint par ressort.
  13. Chariot de pont roulant monté sur deux rails selon la revendication 12, caractérisé en ce que le mécanisme de pressage (331) est constitué d'une vis (332) reliant entre elles les deux extrémités libres des leviers (328) et d'un ressort de compression (333) pouvant être placé sur la vis (332) et être serré par un écrou (334).
EP04030567A 2004-01-08 2004-12-23 chariot roulant sur deux rails avec un treuil Not-in-force EP1553042B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004001302A DE102004001302B4 (de) 2004-01-08 2004-01-08 Zweischienenlaufkatze mit Hubwerk
DE102004001302 2004-01-08

Publications (2)

Publication Number Publication Date
EP1553042A1 EP1553042A1 (fr) 2005-07-13
EP1553042B1 true EP1553042B1 (fr) 2008-02-13

Family

ID=34585359

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04030567A Not-in-force EP1553042B1 (fr) 2004-01-08 2004-12-23 chariot roulant sur deux rails avec un treuil

Country Status (4)

Country Link
EP (1) EP1553042B1 (fr)
AT (1) ATE385989T1 (fr)
DE (2) DE102004001302B4 (fr)
ES (1) ES2301927T3 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107055020B (zh) * 2017-02-24 2023-10-27 新乡宏达冶金振动设备有限公司 一种阳极炭块装卸站及其行走小车
CN107055038B (zh) * 2017-03-29 2023-02-28 西安科技大学 一种多点制动皮带巡检装置
CN107738986B (zh) * 2017-11-23 2024-04-05 国家电网公司 全手动免维护简易吊装体系
CN108263397B (zh) * 2018-02-27 2024-02-06 中唐空铁集团有限公司 用于空铁列车的驱动机构
CN109019353B (zh) * 2018-10-19 2024-05-17 中信国安建工集团有限公司 一种用于建筑施工中的起吊设备和起吊控制方法
FI128652B (fi) 2018-12-19 2020-09-30 Konecranes Global Oy Köysinostimen nostovaunu
CN111452001B (zh) * 2019-01-22 2023-04-14 陕西重型汽车有限公司 一种车辆驾驶室后悬置总成定位分装台
CN109650260B (zh) * 2019-01-24 2023-09-22 陕西铁路工程职业技术学院 一种铁路隧道模板台车用双拱桥式安装机
CN112744697B (zh) * 2020-12-28 2023-06-23 江阴市凯力起重电机有限公司 一种双驱轮防跑偏超低型端梁结构悬挂起重机
CN113620171B (zh) 2021-07-20 2022-03-18 中国矿业大学 一种适用于大坡度的单轨吊可分离式齿轨驱动装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB274579A (en) * 1926-04-24 1927-07-25 William Robertson Improvements in and relating to trolleys for runways
US1695623A (en) * 1927-07-11 1928-12-18 Cleveland Crane Eng Hoist-trolley frame
DE944330C (de) * 1953-06-06 1956-06-14 Schiess Defries Hebezeug Und K Zweischienen-Kranlaufkatze
FR1447420A (fr) * 1965-06-17 1966-07-29 Unité de levage perfectionnée
DE1938831U (de) * 1966-03-15 1966-05-18 Demag Zug Gmbh Zweischienenlaufkatze fuer laufkrane, verladebruecken u. dgl.
DE6608185U (de) * 1968-06-12 1971-07-08 Demag Zug Gmbh Zweischienen-dreirad-kranlaufkatze.
DE3239854C2 (de) * 1982-11-04 1986-10-09 Kone Oy, Helsinki Kranlaufwagen
DE3404867C2 (de) * 1984-02-11 1986-03-20 Mannesmann AG, 4000 Düsseldorf Zweischienenkatze
DE4312908C2 (de) * 1993-04-13 1997-05-28 Mannesmann Ag Reibradantrieb für Laufkatze, insbesondere Einschienenkatze, mit kurzer Bauhöhe

Also Published As

Publication number Publication date
EP1553042A1 (fr) 2005-07-13
ES2301927T3 (es) 2008-07-01
DE102004001302B4 (de) 2006-10-26
DE502004006183D1 (de) 2008-03-27
ATE385989T1 (de) 2008-03-15
DE102004001302A1 (de) 2005-08-04

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