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Front clamping type tool anchor device

A tool anchor and front clamping technology, which is applied in the direction of erecting/assembling bridges, bridge materials, bridges, etc., can solve the problem of inability to detect the retraction of tool clips, etc.

Inactive Publication Date: 2020-06-30
WUHAN SIMUTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] In the above schemes, oil pressure is used to detect the tension force, and the retraction of the tool clip cannot be detected at the same time.

Method used

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  • Front clamping type tool anchor device
  • Front clamping type tool anchor device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Such as figure 1 As shown, a front clip type tool anchor device includes a tool anchor plate 100, a front push plate 200, a push back plate 300, a push sleeve 400, a tool clip 500, a push back rod 600, a push spring 700 and a retraction measuring probe rod 800; the rear end of the tool anchor plate 100 is provided with the front push plate 200, and the front end of the tool anchor plate 100 is provided with the push back plate 300; the tool anchor plate 100 is provided with a through hole; one end of the push sleeve 400 is installed at the rear end in the through hole, and the other end of the push sleeve 400 is located outside the through hole and connected with the front push plate 200; the tool holder The sheet 500 is installed in the middle of the through hole, and is connected with one end of the forward push sleeve 400 located in the through hole; one end of the push back rod 600 passes through the push back plate 300, so The other end of the push back rod 600 pa...

Embodiment 2

[0029] Such as figure 2 As shown, a front clip type tool anchor device includes a tool anchor plate 100, a front push plate 200, a push back plate 300, a push sleeve 400, a tool clip 500, a push back rod 600, a push spring 700 and a retraction measuring probe rod 800; the rear end of the tool anchor plate 100 is provided with the front push plate 200, and the front end of the tool anchor plate 100 is provided with the push back plate 300; the tool anchor plate 100 is provided with a through hole; one end of the push sleeve 400 is installed at the rear end in the through hole, and the other end of the push sleeve 400 is located outside the through hole and connected with the front push plate 200; the tool holder The sheet 500 is installed in the middle of the through hole, and is connected with the end of the forward push sleeve 400 located in the through hole; one end of the push back rod 600 passes through the push back plate 300, so The other end of the push back rod 600 p...

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PUM

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Abstract

The invention relates to a front clamping type tool anchor device which comprises a tool anchor disc, a front push plate, a back push plate, a front push sleeve, a tool clamping piece, a back push rod, a front push spring and a retraction amount feeler lever. The front push plate is arranged at the rear end of the tool anchor disc, and the back push plate is arranged at the front end of the tool anchor disc; a through hole is formed in the tool anchor disc; one end of the front push sleeve is installed at the rear end in the through hole, and the other end of the front push sleeve is arrangedoutside the through hole and connected with the front push plate. The tool clamping piece is installed in the middle in the through hole and connected with the end, located in the through hole, of thefront push sleeve. One end of the back push rod penetrates the back push plate, and the other end of the back push rod penetrates the front end of the through hole and is connected with the tool clamping piece; and the front push spring and the retraction amount feeler lever are simultaneously arranged on the front push plate or the front push sleeve along the axis. The retraction amount of the tool clamping piece can be detected through the retraction amount feeler lever.

Description

technical field [0001] The invention relates to a prestressed bridge tension test device, in particular to a front clamping tool anchor device. Background technique [0002] The jack used in traditional prestressed bridge tensioning is a through-hole jack. When it is working, the steel strands, working anchors and working clips will be encapsulated in the prestressed member after the tensioning is completed; Before the steel strand is packaged, 5-10mm will be left outside the working clip, and the rest will be cut off. The cut steel strand will be treated as scrap steel. A railway beam yard can waste up to More than 1 million yuan. [0003] In order to reduce the waste of steel strands, various tensioning equipment suppliers have proposed a variety of tensioning jack schemes (front clip jacks) to save the reserved amount of steel strands. A common feature of all the schemes is to make the tool anchor and The tool clip is sunk into the inside of the jack, reducing the dista...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D21/00E01D101/28
CPCE01D21/00E01D2101/28
Inventor 周晓杨邓仁堂肖璐明郑小飞
Owner WUHAN SIMUTECH CO LTD