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Device for preventing segments from slipping

An anti-detachment device and segment technology, which is applied in shaft equipment, transportation and packaging, wellbore lining, etc., can solve problems such as slippage, heavy casualties and loss accidents, and achieve the effects of strong anti-detachment performance, high safety, and convenient operation

Active Publication Date: 2015-04-15
CHINA CONSTR EIGHT ENG DIV CORP LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional hoisting tool is a sling, and there is a danger of slippage during hoisting to a certain extent, resulting in a large casualty loss accident
At present, there is no segment anti-slip device that can effectively prevent slipping events during segment hoisting to ensure the safety of segment hoisting

Method used

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  • Device for preventing segments from slipping
  • Device for preventing segments from slipping
  • Device for preventing segments from slipping

Examples

Experimental program
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Embodiment Construction

[0013] The present invention will be further described below in conjunction with specific examples.

[0014] see figure 1 , a segment anti-off device of the present invention, including a fastener 1 and a first end fastened to a rod 2 with a suction cup 3; the second end of the rod 2 is fastened to the fastener 1. The fastener 1 includes a shell 11 and a plurality of slide bars 12. The shell 11 is hollow inside and a notch 111 parallel to the bottom surface of the shell 11 is respectively formed at two ends of the shell 11, and two pairs of corresponding oblique grooves are formed on both sides of the shell 11. groove 112, and each pair of chute 112 is slided with a slide bar 12; the distance from the first end 1121 of the chute to the bottom is greater than the distance from the second end 1122 to the bottom of the chute; the second end of the pole 2 is tightly It is fixed in the middle of the upper surface of the housing 11 and inclined toward the end of the housing 11 clos...

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PUM

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Abstract

The invention discloses a device for preventing segments from slipping. The device comprises a fastener and a strut of which the first end is tightly fixed with a sucker, wherein the second end of the strut is tightly fixed on the fastener. By the device, an effect of preventing the segments from slipping in the lifting process can be effectively achieved; and the device has the characteristics of high slipping prevention performance, simple structure and high safety performance, and can be conveniently operated.

Description

technical field [0001] The invention relates to a detachment prevention device, in particular to a segment detachment prevention device. Background technique [0002] During the subway construction process, segment hoisting is a construction procedure with high safety risks. The average segment weight is 3 to 4 tons, and a single hoisting is 2 to 3 segments, that is, the total hoisting weight is about 10 to 12 tons. The traditional hoisting tool is a sling, and there is a risk of slippage during hoisting to a certain extent, resulting in a large casualty loss accident. At present, there is no segment anti-slip device that can effectively prevent slipping events during segment hoisting, so as to ensure the safety of segment hoisting. Contents of the invention [0003] The purpose of the present invention is to overcome the defects of the prior art, and provide a segment anti-off device, which realizes a segment anti-off device that can effectively prevent slippage events d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21D11/40B66C13/00
Inventor 任立港王刚唐立宪王国欣马荣全刘继锋
Owner CHINA CONSTR EIGHT ENG DIV CORP LTD