CN202864733U

CN202864733U - Combined crane for shipyards and dock wharfs

Info

Publication number: CN202864733U
Application number: CN 201220588247
Authority: CN
Inventors: 严旭东; 肖锡良; 许容; 邱思明; 杨国光; 刘剑波; 向祥德; 徐亮; 李永凤; 翟虎道; 茅金龙; 胡小明
Original assignee: China Shipbuilding NDRI Engineering Co Ltd
Current assignee: China Shipbuilding NDRI Engineering Co Ltd
Priority date: 2012-11-09
Filing date: 2012-11-09
Publication date: 2013-04-10
Anticipated expiration: 2022-11-09

Abstract

The utility model discloses a combined crane for shipyards and dock wharfs. The combined crane is characterized in that a fixed bridge-type crane and a movable bridge-type crane are combined and arranged on a movable framework structure; the framework structure is formed by rail beams, column legs, a lower cross beam, an inclined support and linked beams in a welding manner; the fixed bridge-type crane is fixedly arranged on the two rail beams by virtue of planar hinges or plate hinges; the movable bridge-type crane is fixedly arranged on the two rail beams; and the framework structure is fixedly arranged on a whole machine running mechanism. Compared with the prior art, the combined crane provided by the utility model has the advantage of cooperative lifting by the bridge-type crane and the door-type crane, saves the foundation investment of overhead trestles, effectively avoids blind areas in working, improves the integral stability, is convenient for cooperative operation and running, is high in working efficiency, has irreplaceable advantages on wind prevention and shake prevention, and is especially suitable for the shipyards and the dock wharfs which cannot be provided with long-distance overhead trestles.

Description

A kind of combined hoisting crane for dock and dock wharf

Technical field

The utility model relates to the heavy lift technical field, especially a kind of combined hoisting crane for dock and dock wharf.

Background technology

Hoisting crane is as the key equipment of boats and ships and ocean engineering platform construction, progress along with related process, the weight of segmentation and platform is increasing, its size shape becomes increasingly complex, and has higher requirement to the ability of the lifting of equipment and member loading and unloading, carrying and safety thereof with to the comformability of various working environments thus.

At present, the general mode that all adopts transfer crane or crane in bridge type separate unit or two to lift operation is carried out the transportation that hoists of basin and large of dock, this handling technique exists following shortcoming: ⑴ need to build overhead trestle along wing wall or harbour, for separate unit or two crane in bridge type operations, even conditions permit also need increase infrastructure investment; ⑵ two transfer cranes or crane in bridge type lift, and concertedness is poor, and management difficulty increases; ⑶ two gate-types or crane in bridge type are affected by operating unit length, self structure and track, and two confidentially ask larger safety distance, cause larger work blind area; ⑷ the resistance to overturning of single device is relatively relatively poor, uprising wind, antiseismic ability relatively a little less than.

The utility model content

The purpose of this utility model is not enough for prior art and a kind of combined hoisting crane for dock and dock wharf that provide, it will fix and movably two crane in bridge type be arranged on and consist of the hoisting crane with bridge-type and gate-type combination on the framed structure movably, a large amount of infrastructure investments of the required overhead trestle of crane in bridge type have been saved, desk-top and gate-type two hoisting cranes have effectively been avoided because the caused larger work of width between centers blind area, improved simultaneously the resistance to overturning of equipment, be convenient to the unified operation operation, concertedness is good, high efficiency, strong adaptability, especially at wind resistance, has irreplaceable advantage on the antidetonation, strong adaptability.

The purpose of this utility model is achieved in that a kind of combined hoisting crane for dock and dock wharf, comprise fixedly crane in bridge type, movable bridge type hoisting crane, framed structure and complete machine operating unit, be characterized in that fixedly crane in bridge type and movable bridge type hoisting crane combination is arranged on movably on the framed structure; Described framed structure is welded by track girder, post leg, cross sill, diagonal ligament and contact beam, track girder and cross sill and the welding of two post legs consist of lateral frame, diagonal ligament is fixedly installed between track girder and the cross sill with triangle, and the two sides framework consists of doorframe shape steel structure by two contact beam welding; Described fixedly crane in bridge type is fixedly installed on two track girders by planar hinge or board-like hinge; Described movable bridge type hoisting crane is fixedly installed on two track girders; Described framed structure is arranged on the complete machine operating unit, is captiveed joint with the equalizing bar of complete machine operating unit by bearing pin in its bottom.

The utility model compared with prior art has bridge-type and the collaborative advantage that lifts of transfer crane, desk-top and gate-type two hoisting cranes have effectively been avoided because the caused work of width between centers blind area, be convenient to the unified operation operation, concertedness is good, high efficiency, saved the infrastructure investment of the required overhead trestle of crane in bridge type, greatly improved the resistance to overturning of equipment, have irreplaceable advantage at wind resistance and antidetonation especially, especially be fit to arrange dock and the dock wharf application of the overhead trestle of long distance.

Description of drawings

Fig. 1 is the utility model structural representation

Fig. 2 is Fig. 1 lateral plan

Fig. 3 ~ Fig. 5 is that the utility model is implemented illustration

The specific embodiment

Consult accompanying drawing 1 ~ Fig. 2, the utility model by single crab fixedly crane in bridge type 1, double trolley movable bridge type hoisting crane 2, framed structure 3 and complete machine operating unit 4 form, single crab fixedly crane in

bridge type

1 and 2 combinations of double trolley movable bridge type hoisting crane is arranged on movably on the framed structure 3; Described framed structure 3 is welded by track girder 31, post leg 32, cross sill 33, diagonal ligament 34 and contact beam 35, track girder 31 and cross sill 33 and 32 welding of two post legs consist of lateral frame, diagonal ligament 34 is fixedly installed between track girder 31 and the cross sill 33 with triangle, and the two sides framework consists of doorframe shape steel structure by 35 welding of two contact beams; Described single crab fixedly crane in bridge type 1 is fixedly installed on two track girders 31 by planar hinge or board-like hinge; Described double trolley movable bridge type hoisting crane 2 is arranged on two track girders 31, and its operating unit is captiveed joint with track girder 31; Described framed structure 3 is arranged on the complete machine operating unit 4, is captiveed joint with the equalizing bar of complete machine operating unit 4 by bearing pin in its bottom.

The above-mentioned single crab fixedly dolly of crane in bridge type 1 and double trolley movable bridge type hoisting crane 2 moves at separately crane span structure, framed structure 3 with complete machine operating unit 4 along the orbital motion on be laid in dock wharf or the wing wall, single crab is crane in

bridge type

1 and 2 synthetic operations of double trolley movable bridge type hoisting crane fixedly, its scope of operation can cover plane and basin or the dock of whole framed structure 3 substantially, especially is fit to complex-shaped segmentation and the lifting operation of platform.

The utility model can utilize a single crab fixedly crane in bridge type 1 and movably framed structure 3 carry out independent handling, can utilize again simultaneously fixedly collaborative the lifting of crane in bridge type 1 and double trolley movable bridge type hoisting crane 2 of single crab, the member that the larger weight of handling and shape are comparatively complicated is to satisfy complex-shaped segmentation and platform handling to the position of appointment.

Consult accompanying drawing 3 ~ Fig. 5, the utility model is like this work: when segmentation or platform 5 are transported to framed structure 3 times by flat truck 6, movably the track of framed structure 3 on the dock wharf moves, single crab fixedly three dollies of crane in bridge type 1 and double trolley movable bridge type hoisting crane 2 moves respectively adjustment along separately tracks, realization is to the suspension centre contraposition of different scale segmentation, and by lift adjustment, make by the segmentation 5 of handling and leave flat truck 6, the weight of segmentation 5 is born by three dollies are collaborative, then double trolley movable bridge type hoisting crane 2 and framed structure 3 quit work, by the fixing operating unit of crane in bridge type 1 of single crab, this segmentation 5 is moved to docking block 7 tops of basin, dolly by double trolley movable bridge type hoisting crane 2 carries out exactitude position, segmentation 5 is put on the docking block 7, thereby finishes the operation of segmentation.

More than just the utility model being further described, is not to limit this patent, and all is that the utility model equivalence is implemented, and all should be contained within the claim scope of this patent.

Claims

1. combined hoisting crane that is used for dock and dock wharf, comprise fixedly crane in bridge type, movable bridge type hoisting crane, framed structure and complete machine operating unit, its feature is on the combination of fixedly crane in bridge type and movable bridge type hoisting crane is arranged on movably framed structure; Described framed structure is welded by track girder, post leg, cross sill, diagonal ligament and contact beam, track girder and cross sill and the welding of two post legs consist of lateral frame, diagonal ligament is fixedly installed between track girder and the cross sill with triangle, and the two sides framework consists of doorframe shape steel structure by two contact beam welding; Described fixedly crane in bridge type is fixedly installed on two track girders by planar hinge or board-like hinge; Described movable bridge type hoisting crane is fixedly installed on two track girders; Described framed structure is arranged on the complete machine operating unit, is captiveed joint with the equalizing bar of complete machine operating unit by bearing pin in its bottom.