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lifting device

A lifting device and lifting unit technology, which is applied in construction, artificial islands, infrastructure engineering, etc., can solve the problem of high maintenance costs and achieve the effect of saving manufacturing costs

Active Publication Date: 2019-06-21
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 maintenance cost in the prior art due to the fact that the length of the rack is consistent with the axial length of the pile leg, the embodiment of the present invention provides a lifting device

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Embodiment Construction

[0026] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0027] An embodiment of the present invention provides a lifting device. figure 1 It is a structural schematic diagram of a lifting device provided by an embodiment of the present invention, figure 2 It is a front view structural schematic diagram of a lifting device provided by an embodiment of the present invention. refer to figure 1 and figure 2 , the lifting device of the embodiment of the present invention is suitable for self-elevating offshore platforms, and it includes a rack 4 and a lifting unit 5. The rack 4 is arranged on the legs 1 of the self-elevating offshore platform, and the lifting unit 5 is arranged on the On the lifting platform 2 of the offshore platform, the lifting unit 5 includes a gear meshed with the rack...

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Abstract

The invention discloses a lifting device and belongs to the field of ocean engineering equipment. A gear rack of the lifting device is arranged on a pile leg of a self-elevating ocean platform; a lifting unit is arranged on a lifting platform of the self-elevating ocean platform and comprises a gear which is meshed with the gear rack; the lifting device also comprises a first locking component, a sliding chute and a second locking component, wherein the sliding chute is formed in the pile leg and is fixedly mounted on the outer circumferential wall of the pile leg along the axial direction of the pile leg; the gear rack is detachably arranged inside the sliding chute in a sliding manner; the length of the gear rack is smaller than that of the sliding chute; the second locking component is used for inhibiting the gear rack to move inside the sliding chute. The lifting device disclosed by the invention is capable of realizing axial movement action of the self-elevating ocean platform relative to the pile leg by virtue of a section of gear rack of which the length is smaller than the axial length of the pile leg, and thus the manufacturing cost of the gear rack is greatly reduced on the premise of guaranteeing the lifting speed of the lifting device, and the manufacturing difficulty and the required precision of the gear rack are reduced as well.

Description

technical field [0001] The invention relates to the field of marine engineering equipment, in particular to a lifting device. Background technique [0002] The self-elevating offshore platform is a kind of tooling with lifting function widely used in marine engineering, which realizes the lifting of the platform through the lifting device. [0003] At present, the lifting devices of the mainstream self-elevating offshore platforms include hydraulic bolt lifting devices and rack and pinion lifting devices. The former is relatively cheaper than the latter, and the latter is faster than the former. [0004] In the process of realizing the present invention, the inventor finds that there are at least the following problems in the prior art: [0005] In the rack and pinion lifting device, a plurality of racks are fixedly welded on the outer peripheral wall of the leg along the axial direction of the leg, and the length of each rack is consistent with the length of the leg. Sinc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02B17/08
CPCE02B17/0818
Inventor 陈佳俊朱正都程文池田崇兴黄波赵世琏毛炳坤龚云
Owner WUHAN MARINE MACHINERY PLANT
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