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Pile extracting clamp

A technology of pile clamps and fixtures, which is applied in the direction of sheet pile walls, buildings, and foundation structure engineering, etc., can solve the problems of H-shaped steel piles such as cracking, breaking, poor stability, and large loss, so as to achieve small damage to piles and reduce The effect of concentrated stress and large force area

Active Publication Date: 2013-04-24
ZHEJIANG GEOFORE GEOTECHN TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At the present stage, the clamps used in the application of SMW construction method when pulling out H-shaped steel piles are all in the shape of a straight line, and the force of the clamps acts on the steel piles. On, poor stability, easy to fall over

Method used

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  • Pile extracting clamp
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0023] Embodiment: a kind of pile pulling fixture, as figure 1 , 2 As shown, the clamp 1 is T-shaped as a whole, and includes a horizontal hollow horizontal tube 2 and a vertical hollow vertical tube 3. The upper and lower ends of the hollow vertical tube 3 are open, and the upper end of the hollow vertical tube 3 is connected to the hollow The horizontal tube 2 is connected, and the front and rear side plates of the hollow vertical tube 3 are provided with rows of reserved holes 4 from top to bottom, for cooperating with the work of the clamp 1, such as image 3 As shown, the H-shaped steel pile 22 is composed of a web 18 and flange plates 19 on both sides of the web 18 , and a plurality of rows of reserved holes 4 are correspondingly provided on the flange plate 19 .

[0024] Such as Figure 4 As shown, in the left half section of the hollow transverse tube 2, a plurality of stiffening plates 7 parallel to each other for installing and fixing the horizontal movable chuck 6...

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Abstract

The invention discloses a pile extracting clamp which is integrally of a T shape. The pile extracting clamp comprises a horizontally-arranged hollow transverse tube and a vertically-arranged hollow longitudinal tube; wherein the upper end and the lower end of the hollow longitudinal tube are opened; the upper end of the hollow longitudinal tube is communicated with the hollow transverse tube; a front side plate and a rear side plate of the hollow longitudinal tube are provided with a plurality of rows of preserved holes from top to bottom; a horizontal moving chuck is arranged in a left half section of the hollow transverse tube; and a horizontal fixed chuck is arranged in a right half section of the hollow transverse tube. According to the clamp, actions forces are applied onto an H-shaped steel flange plate and a web plate; the area of the action forces is large; the centralized stress is reduced; the damage to the pile is reduced; in addition, the clamp is very convenient to operate.

Description

technical field [0001] The invention relates to a clamp, in particular to a pile pulling clamp. Background technique [0002] At the present stage, the clamps used in the application of SMW construction method when pulling out H-shaped steel piles are all in the shape of a straight line, and the force of the clamps acts on the steel piles. On, poor stability, easy to fall over. Contents of the invention [0003] The present invention overcomes the shortcomings in the above-mentioned prior art, and provides a pile-extracting jig that has a large force area, reduces concentrated stress, reduces damage to piles, and is stable and difficult to overturn. [0004] Technical scheme of the present invention is realized like this: [0005] The pile pulling jig, the jig as a whole is T-shaped, including a horizontal hollow horizontal tube and a vertical hollow vertical tube, the upper and lower ends of the hollow vertical tube are open, and the upper end of the hollow vertical tub...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D9/02
Inventor 李中瑞占宏郭永朱怀甫
Owner ZHEJIANG GEOFORE GEOTECHN TECH
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