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Lifting device

A lifting device and platform lifting technology, applied in the field of lifting platforms, can solve the problems of inconvenient maintenance of gears and reducers

Active Publication Date: 2017-11-17
WUHAN MARINE MACHINERY PLANT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problem of inconvenient maintenance of gears and reducers in the existing lifting device, the embodiment of the present invention provides a lifting device

Method used

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Embodiment Construction

[0022] In order to make the objectives, technical solutions and advantages of the present invention clearer, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

[0023] figure 1 It is a schematic structural diagram of a lifting device provided by an embodiment of the present invention. like figure 1 As shown, the lifting device is arranged on the leg 10, the leg 10 is provided with a plurality of bolt holes 10a at intervals along the axial direction, and the leg 10 is also provided with a rack 11 extending in the axial direction.

[0024] The lifting device includes a pile fixing frame 20, a platform lifting mechanism 30 and a pile leg lifting mechanism 40, and the platform lifting mechanism 30 and the pile leg lifting mechanism 40 are both arranged on the pile fixing frame 20, figure 2 is a top view of a lifting device provided by an embodiment of the present invention, such as figure 2 As shown...

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Abstract

The invention discloses a lifting device, and belongs to the field of lifting platforms. The lifting device comprises a pile fixing rack, plug pin mechanisms, platform lifting mechanisms and pile leg lifting mechanisms, wherein the platform lifting mechanisms comprise gears, supporting shafts, sleeves, main cylinders and sub cylinders; the gears coaxially sleeve the supporting shafts; a plurality of check blocks are arranged on the side walls of the gears in the circumferential direction at intervals; the sleeves sleeve the supporting shafts; sub cylinder mounting plates are arranged on the outer side walls of the sleeves; one ends of the sub cylinders are hinged to the sub cylinder mounting plates; pushing blocks are further hinged to the outer side walls of the sleeves; the other ends of the sub cylinders are hinged to the pushing blocks; one ends of the main cylinders are hinged to the pile fixing rack; and the other ends of the main cylinders are hinged to the outer side walls of the sleeves. According to the lifting device, the sub cylinders can be controlled to extend and retract, the pushing blocks are appressed to the check blocks, the main cylinders are controlled to extend and retract, the gears are pushed to rotate, a platform is lifted, after the platform moves for a certain distance, plug pin cylinders are controlled to extend, plug pins stretch into plug pin holes, and the platform is supported.

Description

technical field [0001] The invention relates to the field of lifting platforms, in particular to a lifting device. Background technique [0002] Lifting platform is a structure that provides production and living facilities for drilling, oil extraction, container transportation, observation, navigation, construction and other activities at sea, and is the basic equipment for developing offshore oil. The lifting platform is usually composed of a platform body, a pile leg, a pile fixing frame, and a lifting device. The lifting device is set on the fixing pile frame, and the fixing pile frame is connected with the platform body. By controlling the lifting device to move along the pile legs, the platform body can be realized. movement. As a key part of the lifting platform, the lifting device is highly valued in the design, manufacture and use of the platform, and its performance directly affects the safety performance, performance and economy of the platform. [0003] There a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02B17/08
Inventor 龚云程文池王鑫磊田崇兴毛炳坤何鹏
Owner WUHAN MARINE MACHINERY PLANT
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