Cross groove bolt torque detection device

A technology of torque detection and cross groove, which is used to measure the direction of torque/torsion force when tightening, to achieve the effect of easy operation, simple structure and high precision

Inactive Publication Date: 2012-12-26
NO 5711 FACTORY OF CHINA AVIATION IND NO 1 GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, such detection devices have not been reported

Method used

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  • Cross groove bolt torque detection device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0010] see figure 1 , the cross recessed bolt torque detection device includes a base 1, a cantilever support frame 2 is arranged on the base 1, a support sleeve 9 is vertically pierced on the cantilever, the lower end of the support sleeve 9 is connected with a cross screwdriver, and the upper end of the support sleeve 9 is connected with an application Axial load weights 12, 13; bolt sample clamping parts are arranged on the base 1 corresponding to the lower end of the support sleeve 9; an indicating table type torque wrench 10 (commercially available) is placed horizontally on the support sleeve 9.

[0011] A positioning disc 15 is sheathed on the weight supporting shaft 14, and the positioning disc 15 is fixedly connected by a positioning block 11. The positioning block 11 is fixed after the axial load is vertically loaded and aligned.

[0012] The clamping part of the bolt sample 5 includes a clamping block 3, the jacket 4 is placed in the clamping block 3, and the samp...

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PUM

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Abstract

The invention relates to a special experimental device for measuring performance of a cross groove bolt, i.e., a cross groove bolt torque detection device. The cross groove bolt torque detection device comprises a pedestal, wherein a cantilever type supporting frame is arranged on the pedestal; a supporting sleeve is vertically connected to a cantilever in a penetrating way; the lower end of the supporting sleeve is connected with a cross screwdriver, and the upper end of the supporting sleeve is connected with an axial load applying weight; the pedestal corresponding to the lower end of the supporting sleeve is provided with a bolt sample clamping component; and an indicating gauge type torque wrench is transversely arranged on the supporting sleeve. The cross groove bolt torque detection device has the advantages of simple structure, high accuracy, high repeatability, easy operation and feasibility.

Description

[0001] technical field [0002] The invention relates to a special experimental device for measuring the performance of cross-recessed bolts, that is, a cross-recessed bolt torque detection device. Background technique [0003] In the prior art, if the cross-recessed bolt does not reach the required torque, the bolt may loosen during use, resulting in failure of the threaded connection; if the permitted torque is exceeded, the bolt may break during use, causing the threaded connection to fail. And the bolt cross groove may be damaged, making the surface unattractive and creating a certain air resistance. Therefore, the cross recessed bolt torque is an important detection index. But this type of detection device has not been reported. Contents of the invention [0004] The object of the present invention is to provide a cross-recessed bolt torque detection device with a simple and reasonable structure in view of the above-mentioned deficiencies. [0005] The technical solu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L5/24
Inventor 张守良李航王金玉
Owner NO 5711 FACTORY OF CHINA AVIATION IND NO 1 GRP
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