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Loading auxiliary device

An auxiliary device and a technology for loading nuts, which are applied to measuring devices, using stable tension/pressure to test the strength of materials, instruments, etc., can solve the problems of inconvenient loading of stress rings, etc.

Pending Publication Date: 2021-01-19
HENGYANG VALIN STEEL TUBE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The main purpose of the present invention is to provide a loading auxiliary device to solve the problem of inconvenient loading of the stress ring in the prior art

Method used

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Embodiment Construction

[0027] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0028] Please refer to Figure 1 to Figure 8 , the present invention provides a loading auxiliary device for loading the stress ring 100, the stress ring 100 includes a ring body 101, a loading screw 102 and a loading nut 103, the loading nut 103 is installed on the loading screw 102, when the loading nut 103 When it rotates relative to the loading screw 102, the loading nut 103 can apply pressure to the ring body 101 to drive the ring body 101 to deform; the loading screw 102 is provided with a first matching part, and the loading nut 103 is provided with a driver for loading. The second mating part is used to drive the loading nut 103 to rotate through the loading driver; the loading auxilia...

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Abstract

The invention provides a loading auxiliary device which is used for loading a stress ring, the stress ring comprises a ring body, a loading screw and a loading nut, the loading nut is installed on theloading screw, and when the loading nut and the loading screw rotate relatively, the loading nut can apply pressure to the ring body so as to drive the ring body to deform; the loading screw rod is provided with a first matching part, and the loading nut is provided with a second matching part used for being matched with the loading driving piece, so that the loading nut is driven to rotate through the loading driving piece; a loading auxiliary device comprises a supporting seat used for bearing a stress ring; a screw rod fixing piece is arranged on the supporting seat, and a third matching part is arranged on the screw rod fixing piece; when the stress ring is placed on the supporting seat, the third matching part is matched with the first matching part of the loading screw rod so as toprevent the loading screw rod from rotating around the axis of the loading screw rod in the rotating process of the loading nut. The loading auxiliary device solves the problem that the stress ring isinconvenient to load in the prior art.

Description

technical field [0001] The invention relates to the field of stress measurement auxiliary equipment, in particular to a loading auxiliary device. Background technique [0002] During the metal hydrogen sulfide stress corrosion test, it is necessary to apply tensile stress to the material in a hydrogen sulfide (H2S) solution environment to test the cracking failure resistance of the material. This test can accurately determine the susceptibility of metal sulfide stress corrosion cracking, complete constant stress tensile test, hydrogen-induced cracking test, salt spray corrosion test, etc. Accurate loading of the stress ring force value is the most critical part of the whole test, which directly affects the accuracy of the experimental data. [0003] In the existing process of loading the stress ring, the operator needs to use two wrenches to work, one wrench clamps the loading screw to prevent the screw from rotating, and the other wrench tightens the loading nut to perform...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/08G01N1/32G01B21/32
CPCG01N3/08G01N1/32G01B21/32
Inventor 朱清华郑秋艳余洪信
Owner HENGYANG VALIN STEEL TUBE