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Lifting device for cylinder type pile leg platform

A technology of platform lifting and pile legs, applied in water conservancy projects, artificial islands, underwater structures, etc., can solve the problems of space impact, short service life, high cost, etc., to ensure uniformity, improve unevenness, reduce small height effect

Active Publication Date: 2015-08-26
SHANGHAI ZHENHUA HEAVY IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a cylindrical leg type platform lifting device to overcome the defects of high cost, short service life and great influence on the use space of the traditional lifting device in the prior art

Method used

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  • Lifting device for cylinder type pile leg platform
  • Lifting device for cylinder type pile leg platform
  • Lifting device for cylinder type pile leg platform

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] image 3 It is a structural schematic diagram of Embodiment 1 of the cylindrical leg platform lifting device of the present invention. Figure 4 for image 3 A cross-sectional view taken along line B-B.

[0032] Such as image 3 and Figure 4 As shown, Embodiment 1 of the present invention discloses a cylindrical leg type platform lifting device, which includes multiple sets of gear systems, multiple sets of racks and a lifting frame 40 . The multiple sets of gear systems in this embodiment include a first set of gear systems 50 , a second set of gear systems 60 and a third set of gear systems 70 . The plurality of racks includes a first rack 51 , a second rack 61 and a third rack 71 . The first rack 51, the second rack 61 and the third rack 71 are respectively welded on the cylindrical leg 10, while the first group of gear systems 50, the second group of gear systems 61 and the third group of gear systems 70 pass through the The lifting frame 40 is connected to t...

Embodiment 2

[0038] Figure 5 It is a structural schematic diagram of Embodiment 2 of the cylindrical leg platform lifting device of the present invention. Figure 6 for Figure 5 A cross-sectional view taken along line C-C.

[0039] Such as Figure 5 and Figure 6As shown, Embodiment 2 of the present invention discloses another cylindrical leg type platform lifting device, which includes multiple sets of gear systems, multiple sets of racks and a lifting frame 40 . The multiple gear systems in this embodiment include a first set of gear systems 50 , a second set of gear systems 60 and a third set of gear systems 70 , and each set of the gear systems includes a set of gear systems. The plurality of racks includes a first rack 51 , a second rack 61 and a third rack 71 . The first rack 51, the second rack 61 and the third rack 71 are respectively welded on the cylindrical leg 10, while the first group of gear systems 50, the second group of gear systems 60 and the third group of gear sy...

Embodiment 3

[0046] Figure 7 It is a structural schematic diagram of Embodiment 3 of the cylindrical leg platform lifting device of the present invention. Figure 8 for Figure 7 A cross-sectional view taken along the line D-D.

[0047] Such as Figure 7 and Figure 8 As shown, Embodiment 3 of the present invention discloses yet another cylindrical leg platform lifting device, which includes multiple sets of gear systems, multiple sets of racks, and a lifting frame 40 . The multi-group gear system in this embodiment includes a fourth group gear system 80 and a fifth group gear system 90 . The plurality of racks includes a fourth rack 81 and a fifth rack 91 . The fourth rack 81 and the fifth rack 91 are respectively welded on the cylindrical leg 10 .

[0048] What is special is that the gear system (including the fourth gear system 80 and the fifth gear system 90 ) is arranged on the cylindrical leg 10 in a double symmetrical manner. At the same time, the fourth group of gear system...

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Abstract

The invention provides a lifting device for a cylinder type pile leg platform. The lifting device comprises multiple sets of gear systems, multiple sets of racks and lifting frames, the racks are welded to a cylinder type pile leg, the gear systems are connected with the corresponding racks through the lifting frames and distributed on the cylinder type pile leg, and therefore when the cylinder type pile leg platform is lifted or works or is towed, the gear systems can be meshed with the corresponding racks. The height of the lifting device is reduced, and it is guaranteed that gear loads are as uniform as possible. When the bearing capacity of gears has to be increased, the number of gear rows does not need to be substantially increased as the number of the gears is increased, and therefore uniformity of the bearing capacity of the gears is improved.

Description

technical field [0001] The invention relates to the field of self-elevating ocean platforms, in particular to a lifting device for a cylindrical leg type platform. Background technique [0002] In the field of jack-up offshore platforms, the lifting device of the cylindrical-leg jack-up platform is mainly used for lifting the hull or legs, pre-loading legs, and supporting the hull under standing conditions such as work or storms. . [0003] figure 1 It is a structural schematic diagram of a traditional cylindrical leg lifting device. figure 2 for figure 1 A cross-sectional view taken along line A-A. [0004] Such as figure 1 and figure 2 As shown, the traditional lifting devices of the cylindrical legs are mostly arranged on both sides of the cylindrical legs 10, and as the weight of the hull and the environmental load increase, the capacity of the lifting devices also needs to be increased. The lifting device includes a gear system 20 and a rack 30, and is installe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02B17/08
CPCE02B17/021E02B17/0818
Inventor 黄曌宇何可耕姜树卫任俊星罗瑞锋周骏
Owner SHANGHAI ZHENHUA HEAVY IND