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Crane mounted at sea

A crane and jib technology, which is applied in the field of cranes for offshore installation operations, can solve the problems of inability to rent floating cranes, unable to meet the requirements of offshore installation and hoisting operations, etc.

Inactive Publication Date: 2016-06-29
WISON NANTONG HEAVY IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the hoisting width of the ship's own crane cannot meet the requirements of offshore installation and hoisting operations and the floating crane cannot be rented for hoisting, it is necessary to design temporary hoisting equipment for specific working environment requirements

Method used

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  • Crane mounted at sea
  • Crane mounted at sea

Examples

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Embodiment Construction

[0011] combine figure 1 and 2 It can be seen that a crane installed at sea includes two parts: a support unit and a lifting unit: the support unit includes a main support 1, and the main support 1 is respectively connected to the main support base 2, the pneumatic winch base 16, the boom base 7, and the auxiliary support from bottom to top. Connector 5, luffing wire rope base 14.

[0012] Boom 6 connects boom base 7, wire rope fixer 9, boom pulley 8 respectively from bottom to top. The boom 6 is connected to the luffing wire rope base 14 on the main support 1 through the boom pulley 8, the luffing wire rope connector 13, and the luffing wire rope group 12 to form a boom support mechanism.

[0013] The lower end of the auxiliary support 3 is connected to the deck through the auxiliary support base 4, and the upper end is connected to the main support 1 through the auxiliary support connector 5 to form a main support mechanism. The lifting unit includes an air winch 15 connec...

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PUM

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Abstract

The invention discloses a crane mounted at sea. The crane mounted at sea comprises parts such as a main support, a main support base, an auxiliary support, an auxiliary support base, a pneumatic winch, a lazy arm and a lazy arm base, an amplitude changing steel wire rope unit, an amplitude changing steel wire rope connector, a lazy arm pulley, a hoisting steel wire rope, a hook head and a pulley, and a steel wire rope fixator. The crane disclosed by the invention has the characteristics that the crane is simple in structure and large in lifted load, the angle of elevation of the lazy arm can be adjusted, the crane main body can rotate, a pneumatic power device is used, the crane can be flexibly disassembled and assembled and can be repeatedly used and the like.

Description

technical field [0001] The invention relates to a crane, in particular to a crane for offshore installation operations. Background technique [0002] Cranes are required for installation operations at sea, and the existing offshore installation operations are usually carried out in two ways: one is done by renting a floating crane; the other is done by using the ship's own crane. However, when the hoisting width of the ship's own crane cannot meet the requirements of offshore installation and hoisting operations and the floating crane cannot be rented for hoisting, it is necessary to design temporary hoisting equipment for specific working environment requirements. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a detachable offshore installation crane with adjustable boom elevation angle, rotatable crane main body, flexible disassembly and repeated use, so as to meet the requirements of offshore installation. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66C23/06B66C23/16
CPCB66C23/06B66C23/166
Inventor 宋雄伟葛晓强袁辉茅鑫花安文新魏华清沈建荣陈其中
Owner WISON NANTONG HEAVY IND
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