Continuous truss hydraulic bolt lifting system

A lifting system, continuous technology, applied in the field of lifting systems, can solve the problems of high cost, unadjustable lifting speed, difficult manufacturing, etc., to meet application requirements, improve reliability, and expand the scope of application.

Pending Publication Date: 2022-06-28
WUHAN MARINE MACHINERY PLANT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to overcome the shortcomings of the rack and pinion lifting mechanism existing in the prior art, which are difficult to manufa

Method used

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  • Continuous truss hydraulic bolt lifting system
  • Continuous truss hydraulic bolt lifting system
  • Continuous truss hydraulic bolt lifting system

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0056] Example 1:

[0057]The lifting system includes: truss pile legs 1, pile fixing frames 2, four upper yoke mechanisms 3, four lower yoke mechanisms 4 and bolt assemblies 5; the truss pile legs 1 are sleeved with a pile fixing frame 2, so The middle part of the pile fixing frame 2 is provided with an opening which is matched with the truss leg 1. The truss leg 1 includes four chord tubes 11 parallel to each other, and the two sides of the chord tube 11 are evenly distributed from top to bottom. There are a plurality of pin holes 12, and the pin holes 12 are arranged in the horizontal direction. An upper yoke mechanism 3 and a lower yoke mechanism 4 are sequentially sleeved on the chord 11 from top to bottom. The bottom is fixedly connected with the cylinder seat of the upper lifting oil cylinder 31 arranged on the top of the upper yoke mechanism 3, and the bottom of the pile fixing frame 2 is fixedly connected with the cylinder seat of the lower lifting oil cylinder 41 arr...

Example Embodiment

[0063] Example 2:

[0064] Example 2 is basically the same as Example 1, except that:

[0065] The latch assembly 5 also includes two elastic centering devices 57 , the elastic centering devices 57 include a spring bracket 571 , a spring 572 , a spring guide block 573 and a nylon plate 574 , and the two elastic centering devices 57 are fixed by the spring bracket 571 . On the end face of the bolt seat 51 near the bolt cylinder 53, two elastic centering devices 57 are respectively arranged on both sides of the bolt bracket 52, one end of the spring 572 is fixedly connected with the spring bracket 571, and the other end of the spring 572 is connected by a spring The guide block 573 is fixedly connected with the contact end of the guide rod 55 . The plug assembly 5 further includes an oil injection pipe 58 , and the oil injection pipe 58 is fixedly arranged on the side of the plug 54 near the plug cylinder 53 .

Example Embodiment

[0066] Example 3:

[0067] Example 3 is basically the same as Example 2, except that:

[0068] The upper yoke mechanism 3 and the lower yoke mechanism 4 are also fixedly provided with an anti-rotation mechanism 6. The anti-rotation mechanism 6 is a block structure, and the anti-rotation mechanism 6 is arranged near the limit plate 24. Two wear-resistant plates 61 are fixedly arranged on the end surface near the limit plate 24 , and one wear-resistant plate 61 is fixedly arranged on the end surfaces on both sides of the anti-rotation mechanism 6 . The limit plate 24 is matched.

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PUM

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Abstract

A continuous truss hydraulic bolt lifting system comprises a truss pile leg, a pile fixing frame, four upper yoke mechanisms, four lower yoke mechanisms and a bolt assembly. The truss pile leg is sleeved with a pile fixing frame, an opening matched with the truss pile leg is formed in the middle of the pile fixing frame, the truss pile leg comprises four chord pipes which are parallel to one another, a plurality of pin holes are evenly distributed in the two side portions of each chord pipe from top to bottom, and the chord pipes are sequentially sleeved with an upper yoke mechanism and a lower yoke mechanism from top to bottom. The upper yoke mechanism and the lower yoke mechanism are fixedly connected with the pile fixing frame through lifting oil cylinders arranged on the tops of the upper yoke mechanism and the lower yoke mechanism, and two oppositely-arranged plug pin assemblies are arranged at the bottoms of telescopic rods of the lifting oil cylinders and matched with the pin holes in an inserted mode. According to the design, not only can the stable lifting function of the pile fixing frame be achieved through alternate work of the upper yoke mechanisms and the lower yoke mechanisms, but also when part of the upper yoke mechanisms or the lower yoke mechanisms are damaged, the rest of the upper yoke mechanisms or the lower yoke mechanisms can still form a plane, and supporting of the pile fixing frame or pile legs is achieved.

Description

technical field [0001] The invention relates to a lifting system, in particular to a continuous truss hydraulic bolt lifting system, which is particularly suitable for a continuous truss hydraulic bolt lifting system with adjustable lifting speed and high reliability. Background technique [0002] Jack-up offshore platform is a kind of commonly used offshore equipment. Due to its advantages of large carrying capacity and low cost, it is widely used in offshore engineering equipment such as oil and gas processing platforms, living platforms, and wind power installation ships. The offshore platform is usually composed of a pile fixing frame, a pile leg and a hydraulic lifting system. The fixing pile frame is sleeved on the pile leg and can move up and down along the pile leg under the driving of the hydraulic lifting system. For the conventional hydraulic bolt lifting system, the cylinder is mainly used Shaped legs, while for operations in deep water areas, truss legs are main...

Claims

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Application Information

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IPC IPC(8): E02B17/08
CPCE02B17/08
Inventor 王鑫磊田崇兴王恒智龚云
Owner WUHAN MARINE MACHINERY PLANT
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