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Locking mechanism of self-elevating offshore platform

A technology of locking mechanism and offshore platform, applied in underwater structures, infrastructure engineering, hydraulic engineering and other directions, can solve the problem of high processing cost of locking system, and achieve the effect of reducing load and cost

Active Publication Date: 2018-03-09
WUHAN MARINE MACHINERY PLANT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the problem of high processing cost of the locking system in the prior art, an embodiment of the present invention provides a locking mechanism for a self-elevating offshore platform

Method used

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  • Locking mechanism of self-elevating offshore platform
  • Locking mechanism of self-elevating offshore platform
  • Locking mechanism of self-elevating offshore platform

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Embodiment

[0029] An embodiment of the present invention provides a locking mechanism for a self-elevating offshore platform, such as figure 1 As shown, the locking mechanism includes: a pile fixing frame 1 and two locking units 2 symmetrically arranged along the leg rack a, and each locking unit 2 includes: a locking rack 3, a first driving device 4 , the second driving device 5 and the supporting cylinder 6, the first driving device 4 can be slidably installed on the pile fixing frame 1 along the length direction of the pile fixing frame 1, and the first driving device 4 and the locking rack 3 are fixedly installed together , the first driving device 4 is configured to drive the locking rack 3 to move along the length direction perpendicular to the pile fixing frame 1, and the second driving device 5 can be slidably installed on the pile fixing frame along the length direction perpendicular to the pile fixing frame 1 1, the second driving device 5 and the locking rack 3 are fixedly ins...

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Abstract

The invention discloses a locking mechanism of a self-elevating offshore platform and belongs to the field of lifting systems of offshore platforms. The locking mechanism comprises a wedge bracket andtwo locking units, and each locking unit comprises a locking rack, a first driving device, a second driving device and a supporting oil cylinder. The first driving device can be slidingly mounted onthe wedge bracket in the length direction of the wedge bracket, the first driving device and the locking rack are fixedly mounted together, and the first driving device is arranged to drive the locking rack to move in the direction perpendicular to the length direction of the wedge bracket; the second driving device can be slidingly mounted on the wedge bracket in the direction perpendicular to the length direction of the wedge bracket, the second driving device and the locking rack are fixedly mounted together, and the second driving device is arranged to drive the locking rack to move in thelength direction of the wedge bracket. The locking mechanism avoids usage of a jack and accordingly lowers the cost.

Description

technical field [0001] The invention relates to the field of lifting systems for offshore platforms, in particular to a locking mechanism for self-elevating offshore platforms. Background technique [0002] The rack and pinion lifting system is an important device of the jack-up offshore platform. When the jack-up offshore platform is stationary, the legs and the jack-up offshore platform are locked by the locking system to prevent the jack-up offshore platform from being damaged due to its own weight. decline. [0003] There is an existing locking system, which includes two locking devices, and the two locking devices are symmetrically arranged on both sides of the leg rack of the self-elevating offshore platform. Each locking device comprises a locking inclined block, two locking tooth blocks, a horizontal jack fixed on the mounting frame, a connecting plate and a telescopic device. The horizontal jack is used to connect the locking slant block, and the two locking tooth...

Claims

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Application Information

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IPC IPC(8): E02B17/06
Inventor 毛炳坤程文池田崇兴朱正都王鑫磊龚云赵世琏陈佳俊
Owner WUHAN MARINE MACHINERY PLANT
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