EP2210849B1 - Doppelkettenzuganordnung - Google Patents

Doppelkettenzuganordnung Download PDF

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Publication number
EP2210849B1
EP2210849B1 EP09015536A EP09015536A EP2210849B1 EP 2210849 B1 EP2210849 B1 EP 2210849B1 EP 09015536 A EP09015536 A EP 09015536A EP 09015536 A EP09015536 A EP 09015536A EP 2210849 B1 EP2210849 B1 EP 2210849B1
Authority
EP
European Patent Office
Prior art keywords
chain
sprocket wheel
cross beam
beam section
sprocket
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
EP09015536A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2210849A1 (de
Inventor
Jürgen Kasper
Peter Kittsteiner
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.)
Konecranes PLC
Original Assignee
Konecranes PLC
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 Konecranes PLC filed Critical Konecranes PLC
Publication of EP2210849A1 publication Critical patent/EP2210849A1/de
Application granted granted Critical
Publication of EP2210849B1 publication Critical patent/EP2210849B1/de
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
    • B66C11/04—Underhung trolleys
    • B66C11/06—Underhung trolleys running on monorails
    • 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
    • B66C11/16—Rope, cable, or chain drives for trolleys; Combinations of such drives with hoisting gear
    • 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
    • B66C17/04—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 with lifting beams, e.g. slewable beams, carrying load-engaging elements, e.g. magnets, hooks

Definitions

  • chain hoists as so-called double chain hoists in which hang on a cross-beam two chain hoists. These two chain hoists are operated for synchronization reasons usually via a drive motor.
  • a disadvantage of such chain hoists is the fixed distance between the hooks, which may be too small or too large. In order to tune to the size of the load then traverses must be used again at the height of the hooks or pull ropes to increase or decrease the distance of the hooks according to the dimensions of the load.
  • US 5,893,471 A discloses a chain hoist arrangement with a crossmember with a controlled controlled along the crossmember first landing gear and along the crossmember freely movable second chassis.
  • Each landing gear has an individually extendable and retractable load chain, thereby vertically moving and tilting a load attached to both ends can be.
  • US 3,805,967 A discloses an arrangement with two mobile along a traverse chassis, each having two sheaves, between which a respective landing gear associated cable is guided over a hook attached to a further sheave hook.
  • the ropes of both carriages are wound up and unwound on a driven drum, whereby both load hooks are simultaneously moved vertically.
  • each chassis is movable along the traverse, the rope running through the sheaves through the chassis.
  • EP 0 147 487 A1 describes a lifting device for a set design, which has a plurality of along a guide rail movable carriage through which runs a guided over two pulleys and a load roller rope. While a simultaneous lifting and lowering is effected by winding or unwinding the multiple ropes on a common drum, the carriages remain movable relative to the guide rail and the cable. This allows their positions to be chosen so that an unbalanced load is distributed more evenly.
  • WO 2006/083231 A1 describes a movable arrangement with hoist for lifting containers. Two relatively movable trolleys can be adapted by a distance adjusting device to the male load.
  • US 3,999,672 A describes a vehicle with a boom for lifting elongated loads, on which two in the longitudinal direction of the boom movable bogies are arranged, each carrying a transversely aligned, vertically movable cross member for receiving the load.
  • US 2007/0095777 A1 discloses a gantry crane with two trusses, on each of which a main and an auxiliary landing gear with hoist are arranged movable. Both suspensions are synchronously moved by means of a rotating cable along the respective traverse, while the auxiliary landing gear further has its own drive, with which it can be moved relative to the cable and the main landing gear.
  • the hoists are equipped with a load limiter via a hydraulic system to prevent overloading of the trusses.
  • US 3 317 058 A discloses a gantry crane with a landing gear which is horizontally movable along a traverse and beyond the portal along a telescopic boom.
  • DE 10 2004 021 708 A1 discloses a crane track system with a cat, the chassis can be extended or shortened by an exchange or a change in length of a traverse by simple means.
  • the cat has a driven by a geared motor shaft with two chain nuts, on each of which runs a round link chain, which leads at one of the ends of the trolley via a Umlenkkettennuss down. Because in the area of the Umlenkkettennadore no further devices are required, the cat has a low height and allows a correspondingly extended stroke of the load.
  • the new double chain hoist has a traverse that can be adjusted in length.
  • the traverse is composed of a first and a second truss section, which are telescopically movable against each other.
  • Each truss section or Traversenteleskop Pacific has a distal or distal end, as well as a proximal or the other truss section facing the end.
  • a first chain nut group of two coaxial and non-rotatably connected chain nuts is provided. Furthermore, the first truss section is provided with a load chain fixed point next to the first sprocket group and a Verstellkettenfixtician. The first truss section is further associated with a first hook hook.
  • the second truss section has a second sprocket group, which is arranged axially parallel to the first sprocket group. This second chain nut group also has two coaxially arranged and non-rotatably connected chain nuts. This second chain nut group is located at the distal or distal end of the second truss section.
  • the second truss portion comprises two axially parallel adjacent Umlenkkettennadore for one of the load chains on which the second hook bottle hangs.
  • Another Umlenkkettennuss for an adjustment chain is located at the proximal or inner end of the second truss section.
  • Each of the two hook bottles is assigned its own load chain.
  • the first load chain travels from the first crawler group to the first hook block and from there to the load chain break point on the first truss section.
  • the other load chain leads from the first chain-nut group to the axially parallel chain nuts in the second truss section, from there to the hook block, from the hook block back over the other chain nut of this deflection group to the second chain nut group at the distal end of the second truss section.
  • An adjusting chain leads around the still free chain sprocket of the second chain nut group and the Umlenkkettennuss at the proximal end of the second truss section around. Their two free ends are anchored to Verstellkettenfixtician the first truss section.
  • each hook spacing can be set arbitrarily.
  • the adjustment is made by turning the second chain nut group in revolutions. As a result, the two truss sections are moved against each other. At the same time the second load chain is effectively shortened according to the adjustment.
  • the second chain nut group thus forms, as it were for the second load chain, a virtual fixed point, which picks up or releases chain according to the adjustment, so that the second Hook bottle remains independent of the adjustment at the same height that they had already held before the adjustment.
  • both hook bottles are at the same height. In certain applications, it may also be useful to adjust the heights against each other, this height adjustment is not affected by the adjustment of the truss width.
  • the chain nuts of the first chain nut group and the chain nuts of the second chain nut group may have the same number of chain pockets.
  • Each truss section may be provided near its distal end with a chassis, so that the double chain hoist is movable along a running rail.
  • the running rail can be the crane bridge of a bridge crane.
  • At least one of the trolleys can be provided with a motor. If appropriate, it is expedient to provide only one landing gear motor, so that the adjustment of the truss length is not hindered by the respective landing gear motor.
  • a braking device is expediently assigned to the second chain nut group. If a conventional drive is used to drive the second chain nut group, as it is also used for hoists in chain hoists, the braking device is already structurally contained in the drive system.
  • top and bottom or “front” and “back” and “left” and “right” refer to the normal position of use or the terminology for lifting equipment.
  • a double chain hoist 1 is illustrated.
  • the double chain hoist 1 has as main assemblies two carriages 2, 3, a length-adjustable cross member 4 and two hook bottles 5, 6 with hooks attached thereto.
  • the chassis 2 has two mutually parallel chassis shields 7a and 7b.
  • the chassis plate 7a carries two rotatably mounted flange wheels 8a and 8b.
  • Mirror images of the flange wheels 8a and 8b are on the opposite flange of the chassis plate 7b provided corresponding flange wheels.
  • the two chassis shields 7a and 7b are screwed on spacers 9a and 9b with corresponding tabs 11a and 11b by means of through bolts 12. Per chassis 2, the two shields 7a and 7b with two such sets of spacers 9a, 9b and screws 12 are secured to the cross member 7.
  • the structure of the chassis 3 corresponds to the design of the chassis 2, which makes a further explanation unnecessary.
  • One of the two carriages 2, 3, is also provided with a drive motor to drive one or the one pair of wheel flanges 8a, 8b in order to move the double chain hoist 1 along a crane bridge.
  • the traverse 4 is composed of two truss sections 13 and 14, which are telescopically adjustable against each other in the longitudinal direction.
  • the truss section 13 contains for this, as Fig. 2 can detect, extending in the cross-member longitudinal Z-shaped profile rail pieces 15, 16, each comprising a short leg or flange 17, a central portion 18 and an outwardly facing leg or flange 19.
  • the Z-profile rail pieces 15, 16 are arranged so that they form a downwardly open U. In the region of their short mutually facing legs 17, which extend horizontally, they are connected to one another by corresponding fastening plates 20 in the region of the chassis 2.
  • the two Z-profile rail pieces 15, 16 are parallel to constant
  • the two Z-profile rail pieces 15, 16 are connected at one end via the chassis 2 and at the other end by a plate corresponding to the plate 20.
  • the truss section 14 form two parallel spaced-apart U-profile rail pieces 21, 22, according to Fig. 2 are arranged.
  • Each U-profile rail piece 21, 22 is composed of two mutually parallel short legs 23, 24 and a back portion 25 together.
  • the back portions 25 are facing each other.
  • the U-profile rail pieces 21, 22 are connected in a similar manner as the Z-profile rail pieces 15, 16.
  • the type of connection is known in the art and therefore need not be further explained at this point.
  • the slidable connection between the truss portion 13 and the truss portion 14 is achieved with groups of deep groove ball bearings 29, 30 which sit on rigid axles 31, 32.
  • the rigid axles 31, 32 are, as shown, connected to the center piece 18 of the Z-profile rail piece 16 and are perpendicular to this.
  • the two deep groove ball bearings 29, 30 are arranged one above the other at a distance from each other, in such a way that they bear against the inside of the short legs 23, 24 of the U-profile rail piece 21.
  • Mirror images of the deep groove ball bearings 29, 30 on the left side are on the other side, the right side, also arranged one above the other deep groove ball bearings, which cooperate with the U-profile rail piece 22.
  • Fig. 3 shows in a schematic representation of the chain course within the double chain hoist 1, wherein only the chain nuts are illustrated, while all support members are omitted for holding the chain nuts.
  • the double chain hoist 1 has according to Fig. 3 two load chains 35, 36 and an adjustment chain 37. All chains 35, 36, 37 are round link chains and have the same geometry.
  • a drive motor 38 on the transmission output shaft two chain sprocket 39 forming chain nuts sit.
  • the pancakes belonging to the sprocket group 39 are, as the schematic drawing of Fig. 3 can recognize, arranged coaxially and rotatably connected to each other. They have the same number of pockets. For reasons of space, this chain nut group 39 is located slightly below the traverse 4.
  • two loose Umlenkkettennadore 40 and 41 are rotatably mounted in the truss section 13.
  • the two chain nuts 40 and 41 are arranged coaxially with each other, but independently rotatable.
  • the load chain 35 which is driven via the sprocket group 39, leads from the associated sprocket of the sprocket group 39 to the Umlenknuss 40 and from here vertically down to the hook bottle 5. Starting from the hook bottle 5, the load chain 35 leads back up to the Traversal section 13. Its free end is anchored to a chain fixing point 42 on the underside of the truss section 13.
  • the load chain 36 leads from the other of the two chain nuts of the sprocket group 39 via the Umlenkkettennuss 41 in the space between the two U-profile rail pieces 21 and 22 in the truss section 14. Below the chassis 3 are parallel to the axis and at a distance to each other in the truss section 14 two Umlenkkettennadore 42 and 43 rotatably mounted.
  • the load chain 36 leads from the Umlenkkettennuss 41 coming to the Umlenkkettennuss 42 around down from the truss section 14 out.
  • the chain nut group 44 has two mutually coaxial and non-rotatably connected chain nuts. Chain nuts of the chain nut group 44 have the same number of chain pockets. Preferably the same number as the Kettennusscade 39. However, this is not necessary.
  • the chain nut group 44 is located next to the chassis 3.
  • the load chain 36 is additionally on the loose rotatable sprocket 28 on.
  • the sprocket 28 is in Fig. 3 not shown for reasons of clarity. It is located between the sprocket group 39 and the Umlenkkettenuss 42 at the distal end of the truss portion 14th
  • the sprocket assembly 44 sits on the output shaft of a geared motor 45 which is internally provided with a braking device, as is typical for chain hoists.
  • the braking device therefore need not be further explained at this point.
  • the Kettennussucc 44 acts as a chain fix point for the load chain 36.
  • the two load chains 35 and 36 are moved synchronously by the same displacement. Since the free ends of the two load chains are fixed to the fixed point 42 or the chain nut group 44, the two hook bottles 5, 6 move in the same direction and in terms of amount by the same stroke. Both hook bottles 5, 6 can apply the same force.
  • the adjusting chain 37 is attached at one end to a fixed point 48, which sits on the truss section 13 at its distal end and projects between the two U-profile rails 21, 22 of the truss section 14. From this fixed point 48, the adjustment chain leads to the Umlenkkettennuss 27, which at the distal end of the truss portion 14, as in Fig. 2 shown, between the two U-profile rails 21, 22 is freely rotatably mounted. After a 180 ° deflection around the sprocket 27, the adjusting chain 37 runs to the associated sprocket of the sprocket group 44 and around it back to the fixed point 48th
  • the double chain hoist 1 assumes a position as in Fig. 3 is drawn schematically. If, in this position, the chain nut group 44 is moved in the clockwise direction, as discussed above, the fixed point 48 is used for the chassis 3, ie the hook block 5 below the chassis 2, the existing there about the fixed point 42 and the Umlenkkettennuss 40 with the truss section 13th As a result of this movement, the chain piece of the load chain 36 between the Umlenkkettennuss 41 and the Umlenkkettennuss 42 would be too long per se.
  • the sprocket assembly 44 carries a second sprocket for the load chain 36, as the two 13, 14 approach, the double chain sprocket 44 clears the excess portion of the load chain 36 by the traverse and across the double chain sprocket 44 transported.
  • the load chain 36 through the hook bottle 6 through, which leads to the fact that ultimately the hook bottle 6 remains at the height shown, regardless of how the distance between the hook bottles 5, 6 is set.
  • the sprocket group 44 has two chain nuts, namely one for the adjusting chain 37 and one for the load chain 36. To achieve the operating condition it is sufficient if these two chain nuts have the same number of chain pockets.
  • the sprocket group 44 must by no means coincide with the sprocket group 39 with regard to the chain pockets per sprocket. For manufacturing reasons, however, it is advantageous if both Kettennuss phenomenon are identical.
  • the force acts in the opposite direction due to the torque introduced, ie a torque of the chain nut group 44 in the counterclockwise direction sets the lower run of the adjusting chain 37 under tension, so that the adjusting chain 37 endeavors the fixed point 48 away from the chain nut group 44 to draw.
  • the longitudinal forces cancel each other out in the area of the sprocket group 44 and it suffices to provide a drive for the drive of this sprocket group, which is only able to apply the adjustment forces and which has a low braking effect, thus not by asymmetries as a result of friction, an undesirable adjustment comes about.
  • Fig. 4 shows the left-side end of the double chain hoist 1.
  • the illustration is cut along the vertical center plane parallel to the traverse 4.
  • the sprocket 40 As can be seen sitting on one between the Z-profile rails 15 and 16 on a content Erten therebetween axis 51, the sprocket 40.
  • the other sprocket 41 is not visible because of the sectional view.
  • the sprocket 40 is partially surrounded by a chain guide member 52 which is secured to the leg 18 of the Z-profile rail 15.
  • a chain guide plate 52 which includes flush with the trays of the load chain 35 aligned openings 53 and 54.
  • the drive 38 comprises a drive motor 56 which drives a transmission output shaft 57 via a transmission.
  • the two belonging to the sprocket group 39 chain nuts.
  • the chain sprocket 58 which is at the rear from the viewing side, can be seen around which the load chain 35 guides.
  • the sprocket group 39 is surrounded by a sprocket housing 59, the corresponding chain guide channels 59 for the contains two load chains 35 and 36.
  • the chain guide channel 60 of the load chain 35 as the figure can be seen, obliquely downwards.
  • a chain storage pocket 61 Below the mouth of the chain guide channel 60 is a chain storage pocket 61.
  • a further chain storage pocket corresponding to the chain storage pocket 61 would be conceivable above the drawing plane, as would the chain nut belonging to the load chain 36, the chain nut group 39.
  • the other end of the chain guide channel 60 is arranged so that the chain without kink of the sprocket 57 leads to the Umlenkkettennuss 40.
  • the free end of the load chain 35 is anchored in the plate 52 in the opening 53. This opening simultaneously forms the fixation point 42.
  • Fig. 5 shows a plan view of the right end of the double chain hoist 1, and cut approximately at the level of the axis of the guide ball bearings 29.
  • the two Umlenkkettennadore 42 and 43 In the gap between these chain nuts the load chain 36 dives down perpendicular to the plane, while the adjustment chain 37 laterally beside the two chain nuts 42 and 43 passes.
  • the drive motor 45 At the right free end of the drive motor 45 is seated on the transmission output shaft 65 sitting next to each other rotatably two chain nuts 66 and 67, which form the Kettennusslui 44.
  • a double chain hoist has a telescopically extendable and collapsible traverse, with load chains leading to hook hooks below them, near the ends of the two telescopic pieces belonging to the traverse.
  • the chain for varying the length of the traverse runs over a sprocket with the rotatably connected to another sprocket nut, which serves as the fixed point for that load chain for the hook bottle of the relevant Traversenteleskop ceremoniess.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
  • Warehouses Or Storage Devices (AREA)
  • Jib Cranes (AREA)
  • Transmission Devices (AREA)
  • Automatic Tool Replacement In Machine Tools (AREA)
  • Forklifts And Lifting Vehicles (AREA)
EP09015536A 2009-01-21 2009-12-16 Doppelkettenzuganordnung Not-in-force EP2210849B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009005592A DE102009005592B3 (de) 2009-01-21 2009-01-21 Doppelkettenzuganordnung

Publications (2)

Publication Number Publication Date
EP2210849A1 EP2210849A1 (de) 2010-07-28
EP2210849B1 true EP2210849B1 (de) 2011-11-30

Family

ID=42109840

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09015536A Not-in-force EP2210849B1 (de) 2009-01-21 2009-12-16 Doppelkettenzuganordnung

Country Status (7)

Country Link
US (1) US8226137B2 (ja)
EP (1) EP2210849B1 (ja)
JP (1) JP5671238B2 (ja)
CN (1) CN101786573B (ja)
AT (1) ATE535485T1 (ja)
DE (1) DE102009005592B3 (ja)
RU (1) RU2507145C2 (ja)

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RU213856U1 (ru) * 2022-02-25 2022-09-30 Акционерное общество "Вятское машиностроительное предприятие "АВИТЕК" Траверса

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CN102716883A (zh) * 2012-06-22 2012-10-10 江苏港星方能超声洗净科技有限公司 顶部同步移载装置
CN104444804A (zh) * 2014-10-31 2015-03-25 中国核电工程有限公司 一种链传动吊运装置
DE102015118434A1 (de) * 2015-10-28 2017-05-04 Terex MHPS IP Management GmbH Verfahren zum Betreiben von mindestens zwei Hebezeugen in einem Gruppen-Betrieb und Anordnung mit mindestens zwei Hebezeugen
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CN107140520B (zh) * 2016-05-24 2019-02-26 江山行诚科技信息咨询服务有限公司 双钩结构的吊钩总成
CN106957013B (zh) * 2017-05-05 2018-06-22 中国船舶重工集团公司第七0四研究所 一种伸缩式物流起重运输机及其起重运输方法
CN107140561B (zh) * 2017-05-05 2018-08-21 中国船舶重工集团公司第七0四研究所 一种物流起重运输机的伸缩臂结构
CN107673199A (zh) * 2017-11-13 2018-02-09 江苏海越铸造机械科技有限公司 一种单驱动通过式抛丸机
CN107792631A (zh) * 2017-11-14 2018-03-13 宁波慈兴智能设备有限公司 一种用于热处理设备的限高装置
CN109281293B (zh) * 2018-11-06 2024-03-22 杭州江河机电装备工程有限公司 防脱钩机械自动抓梁
WO2020005104A1 (ru) * 2019-04-10 2020-01-02 Сергей Васильевич НОСЫРЕВ Устройство управления контейнером, в частности, контейнером с нижней выгрузкой
US20210291939A1 (en) * 2020-03-18 2021-09-23 Cashman Dredging And Marine Contracting, Co., Llc Underwater material placement and release system
CN113321114A (zh) * 2021-06-30 2021-08-31 广西贵港建设集团有限公司 一种市政桥梁施工用吊装机构及其使用方法
CN113955645A (zh) * 2021-09-27 2022-01-21 宝武环科武汉金属资源有限责任公司 吊钩距离可调的天车套链条装置

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RU213856U1 (ru) * 2022-02-25 2022-09-30 Акционерное общество "Вятское машиностроительное предприятие "АВИТЕК" Траверса

Also Published As

Publication number Publication date
EP2210849A1 (de) 2010-07-28
US20100181788A1 (en) 2010-07-22
RU2010101807A (ru) 2011-07-27
RU2507145C2 (ru) 2014-02-20
JP2010168219A (ja) 2010-08-05
CN101786573B (zh) 2013-10-16
DE102009005592B3 (de) 2010-08-19
JP5671238B2 (ja) 2015-02-18
ATE535485T1 (de) 2011-12-15
US8226137B2 (en) 2012-07-24
CN101786573A (zh) 2010-07-28

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