CN201598106U - Novel upper trolley lifting hook traversing mechanism of shipbuilding gantry crane - Google Patents

Novel upper trolley lifting hook traversing mechanism of shipbuilding gantry crane Download PDF

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Publication number
CN201598106U
CN201598106U CN2010200009681U CN201020000968U CN201598106U CN 201598106 U CN201598106 U CN 201598106U CN 2010200009681 U CN2010200009681 U CN 2010200009681U CN 201020000968 U CN201020000968 U CN 201020000968U CN 201598106 U CN201598106 U CN 201598106U
Authority
CN
China
Prior art keywords
fixed pulley
push rod
frame
guide rail
suspension hook
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
Application number
CN2010200009681U
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Chinese (zh)
Inventor
葛明
何先凡
陈锁
张艳丽
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.)
JIANGSU ELEPHANT KING CRANE CO Ltd
Original Assignee
JIANGSU ELEPHANT KING CRANE CO Ltd
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 JIANGSU ELEPHANT KING CRANE CO Ltd filed Critical JIANGSU ELEPHANT KING CRANE CO Ltd
Priority to CN2010200009681U priority Critical patent/CN201598106U/en
Application granted granted Critical
Publication of CN201598106U publication Critical patent/CN201598106U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

A novel upper trolley lifting hook traversing mechanism of a shipbuilding gantry crane comprises a trolley frame. A reel, a guide rail and a lifting hook traversing driving device are fixed onto the trolley frame; a fixed pulley frame is arranged on the guide rail; fixed pulleys are arranged on the fixed pulley frame; sliding blocks or wheels are further arranged at two ends of the fixed pulley frame; and the sliding blocks or the wheels are arranged on the guide rail. The novel upper trolley lifting hook traversing mechanism is characterized in that the traversing driving device is an electric hydraulic push rod; the middle of the push rod is hinged onto the trolley frame; the top of the push rod is hinged onto the fixed pulley frame; steel wire ropes respectively penetrate through the reel, movable pulleys and the fixed pulleys in equidirectional manner; a limit switch is arranged on the push rod; and limit check blocks are respectively arranged at two ends of the guide rail. A rope arranging mechanism is not arranged in the upper trolley lifting hook traversing mechanism, and the steel wire ropes are bent in equidirectional manner when in penetrating and winding process, thereby prolonging the life of the steel wire ropes. As a driving mechanism of the traversing mechanism adopts the electric hydraulic push rod to simplify an existing driving mode, the traversing mechanism has simple and reliable structure, and improves efficiency.

Description

The novel dolly suspension hook transverse-moving mechanism of going up of ship-building gantry crane
Technical field
The utility model relates to the novel dolly suspension hook transverse-moving mechanism of going up of a kind of ship-building gantry crane, this transverse-moving mechanism is simple in structure, and its transmission link is few, and efficient and reliability improve greatly, simultaneously the steel rope in the structure all in the same way bending wear around, service life of having improved steel rope.
Background technology
In the shipbuilding yard, splicing between the subsection hull is finished by ship-building gantry crane, two suspension hooks of ship-building gantry crane are sling subsection hull, thereby and by the last dolly suspension hook transverse-moving mechanism on the hoisting crane suspension hook is carried out traversing hull being spliced, existing transverse-moving mechanism mainly contains following two kinds:
Prior art one: include car frame, the reductor of screw rod and drive screw is arranged in the car frame.As shown in Figure 1, last dolly lifting mechanism is that reel 10 and fixed pulley are fixed on the movable carriage 20 together, movable carriage 20 following slide block or the wheels installed, track for slide block or wheel slip is installed in the last car frame, and suspension hook is arranged on the lifting mechanism.By reductor 30 drive sprockets, by chain drive and the fixing sprocket wheel of screw rod, the nut that screw rod 40 drives on the vehicle frame makes lifting mechanism and fixed pulley on whole movable carriage and the movable carriage traversing together, realizes that finally suspension hook is traversing again.
The lifting mechanism weight of ship-building gantry crane is bigger, scantling of structure is also bigger, if want traversing lifting mechanism to realize the traversing function of suspension hook, then fixedly the movable carriage size of lifting mechanism and fixed pulley and weight are all bigger, cause the driving power of transverse-moving mechanism bigger.Simultaneously for well supporting movable carriage and be arranged on mechanism on the movable carriage, the vehicle frame oad of last dolly needs correspondingly do greatly, and whole upward trolley body is huge, and weight is heavier, and is uneconomical.In addition, the type of drive of transverse-moving mechanism is a mechanical type, needs to use three-in-one reductor, by the chain-driving drive screw, uses the screw drive pulley yoke again, realizes that finally suspension hook is traversing, this mechanism's complexity, and transmission link is more, and reliability and efficient reduce greatly.
Prior art two: reel is arranged on the car frame middle part, is not moved, and guides steel rope into movably fixed pulley by rope-arranging mechanism and leading sheave device, realizes that by driving mobile fixed pulley suspension hook is traversing.
As shown in Figure 2, reel 10 ' is arranged in the trolley frame middle part, establish rope-arranging mechanism 20 ' below the reel 10 ', rope-arranging mechanism 20 ' is by the chain wheel drive on the drum shaft, rope-arranging mechanism 20 ' is guided the steel rope on the reel 10 ' leading sheave 30 ' into and is finally guided movably fixed pulley into, wheel or slide block are established in fixed pulley frame 40 ' bottom, by chain drive screw rod 50 ' and the removable fixed pulley of final driving, realize that suspension hook is traversing with three-in-one reductor 60 '.
Though this structure can realize that hook moves by simple mobile fixed pulley, the wiring complexity needs steel rope is repeatedly led, and this has just caused repeatedly multidirectional bending to steel rope, the easy endurance failure of steel rope, and the life-span reduces.In addition, steel rope also needs rope-arranging mechanism just can make the steel rope proper alignment on reel, rope-arranging mechanism is by the chain wheel drive on the drum shaft, and through rectangular axis retarder and universal coupling, rope pulley is arranged in driving at last, the row's of realization rope function, this cover mechanism complexity, occur operating troubles easily, also need be equipped with camera and monitor its operation conditions in the hoisting crane use, this makes whole lifting mechanism reliability reduce.In addition, the type of drive of transverse-moving mechanism is identical with prior art scheme one, the shortcoming that have also that transmission link is more, reliability and efficient reduces greatly.
Summary of the invention
Prior art exists following problem, and the one, mechanism is huge, and weight is heavier.The 2nd, steel rope is worn around complexity, bending repeatedly, the easy endurance failure of steel rope.The 3rd, the driver train complexity that suspension hook is traversing, reliability and efficient are low.The utility model provides a kind of ship-building gantry crane the novel dolly suspension hook transverse-moving mechanism of going up, realize that with easy driver train suspension hook is traversing, cancellation leading sheave and rope-arranging mechanism, simplify steel rope and wear system for winding, make steel rope all bendings in the same way at work, avoid multinomial bending to cause fatigue, finally alleviate dolly weight, improve mechanism efficiency and serviceability.
The utility model technical scheme that adopts of dealing with problems is:
The novel dolly suspension hook transverse-moving mechanism of going up of ship-building gantry crane includes car frame, is fixed with reel and guide rail on the vehicle frame, guide rail is provided with the fixed pulley frame, wherein the fixed pulley frame is provided with fixed pulley, and the two ends of fixed pulley frame also are provided with slide block or wheel, and slide block or wheel are arranged on the guide rail.Also be fixed with the suspension hook cross sliding driving device on the vehicle frame, it is characterized in that: described cross sliding driving device is a push rod, and the push rod middle part is hinged on the vehicle frame, and the top is hinged on the fixed pulley frame.Steel rope passes reel, movable pulley, fixed pulley respectively in the same way.
Described push rod is an electric drive hydraulic thruster.
Described push rod is provided with limit switch.
Described guide rail two ends are respectively equipped with positive stop.
The beneficial effects of the utility model: reel is fixing in dolly suspension hook transverse-moving mechanism on this does not move, and therefore can reduce traversing driving power, can reduce the size of car frame simultaneously.Do not use rope-arranging mechanism in this mechanism, steel rope is worn and is walked around Cheng Zhongjun bending in the same way, has improved rope service-life.The driver train of transverse-moving mechanism has adopted electric drive hydraulic thruster to simplify current driving mode, makes it simple and reliable for structure, and efficient improves.
Description of drawings
Fig. 1 is the structural representation of prior art 1;
Fig. 2 is the structural representation of prior art 2;
Fig. 3 is a front view of the present utility model;
Fig. 4 be among Fig. 3 A to structural representation;
Fig. 5 is a birds-eye view of the present utility model;
Fig. 6 is running condition figure of the present utility model.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
The novel dolly suspension hook transverse-moving mechanism of going up of ship-building gantry crane as shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, include car frame 1, be fixed with reel 2 and guide rail 3 on the vehicle frame 1, guide rail 3 is provided with fixed pulley frame 4, wherein fixed pulley frame 4 is provided with fixed pulley 5, the two ends of fixed pulley frame 4 also are provided with slide block or wheel 6, and slide block or wheel 6 are arranged on the guide rail 3.Also be fixed with the suspension hook cross sliding driving device on the vehicle frame 1, described cross sliding driving device is a push rod, and the push rod in the present embodiment adopts electric drive hydraulic thruster 7, and push rod 7 middle parts are hinged on the vehicle frame 1, and the top is hinged on the fixed pulley frame 4.Steel rope 8 passes reel 2, movable pulley 9, fixed pulley 5 respectively in the same way.Stroke for restriction push rod 7 is provided with the limit switch (not shown) on described push rod 7.Safety when sliding for assurance fixed pulley frame 4, described guide rail 3 two ends are respectively equipped with the positive stop (not shown), prevent that it from skidding off track.
As shown in Figure 6, this transverse-moving mechanism needs two covers when using on hoisting crane, be symmetricly set on the two ends of car frame 1, each suspension hook 10 corresponding cover, and wherein suspension hook 10 is arranged on the movable pulley 9.The distance that two transverse-moving mechanisms will move is controlled by control mechanism, and push rod 7 directly carries out ejection or flexible to fixed pulley frame 4, and fixed pulley frame 4 is moved on guide rail 3.When 10 distances of two suspension hooks during less than the subsection hull length on the suspension hook 10, steel rope 8 can produce the drift angle when suspension hook 10 rose, suspension hook 10 rotates, and therefore can make the subsection hull to be installed on the suspension hook 10 turn round minute angle along the steel rope vertical line, and is in place to realize the body section butt joint.Wherein the adjustment of angle is that adjustment by 10 distances of two suspension hooks realizes, two transverse-moving mechanisms move in opposite directions or opposite when mobile the distance of 10 on two suspension hooks can change, when push rod extends, can increase the distance of 10 on two suspension hooks, otherwise reduce distance.Under the effect of reel 2, suspension hook 10 can move up and down with steel rope 8 simultaneously.
Reel 2 in this mechanism is fixed in the car frame 1, is not moved thereupon, has reduced the weight that needs travel mechanism.Do not use rope-arranging mechanism, steel rope 8 is worn and is walked around Cheng Zhongjun bending in the same way, has therefore improved rope service-life.The driver train of transverse-moving mechanism is simplified, and efficient and reliability all improve.And change traversing driving device into push rod by original screw rod, and having reduced transmission link, reliability and efficient improve greatly.

Claims (4)

1. the novel dolly suspension hook transverse-moving mechanism of going up of ship-building gantry crane includes car frame, is fixed with reel and guide rail on the vehicle frame, also be provided with the fixed pulley frame simultaneously, wherein the fixed pulley frame is provided with fixed pulley, and the two ends of fixed pulley frame also are provided with slide block or wheel, and slide block or wheel are arranged on the guide rail; Also be fixed with the suspension hook cross sliding driving device on the vehicle frame, it is characterized in that: described cross sliding driving device is a push rod, and the push rod middle part is hinged on the vehicle frame, and the top is hinged on the fixed pulley frame; Steel rope passes reel, movable pulley, fixed pulley respectively in the same way.
2. the novel dolly suspension hook transverse-moving mechanism of going up of ship-building gantry crane as claimed in claim 1, it is characterized in that: described push rod is an electric drive hydraulic thruster.
3. the novel dolly suspension hook transverse-moving mechanism of going up of ship-building gantry crane as claimed in claim 1, it is characterized in that: described push rod is provided with limit switch.
4. the novel dolly suspension hook transverse-moving mechanism of going up of ship-building gantry crane as claimed in claim 1, it is characterized in that: described guide rail two ends are respectively equipped with positive stop.
CN2010200009681U 2010-01-19 2010-01-19 Novel upper trolley lifting hook traversing mechanism of shipbuilding gantry crane Expired - Lifetime CN201598106U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010200009681U CN201598106U (en) 2010-01-19 2010-01-19 Novel upper trolley lifting hook traversing mechanism of shipbuilding gantry crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010200009681U CN201598106U (en) 2010-01-19 2010-01-19 Novel upper trolley lifting hook traversing mechanism of shipbuilding gantry crane

Publications (1)

Publication Number Publication Date
CN201598106U true CN201598106U (en) 2010-10-06

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CN2010200009681U Expired - Lifetime CN201598106U (en) 2010-01-19 2010-01-19 Novel upper trolley lifting hook traversing mechanism of shipbuilding gantry crane

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104555850A (en) * 2015-01-07 2015-04-29 中冶华天工程技术有限公司 Ladle and steel ladle tipping device
CN112919351A (en) * 2021-03-10 2021-06-08 三一海洋重工有限公司 Hoisting mechanism and hoisting equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104555850A (en) * 2015-01-07 2015-04-29 中冶华天工程技术有限公司 Ladle and steel ladle tipping device
CN112919351A (en) * 2021-03-10 2021-06-08 三一海洋重工有限公司 Hoisting mechanism and hoisting equipment

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20101006

Effective date of abandoning: 20100119