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Positioning device for flatting test of square tube

A positioning device and tube pressure technology, which is applied to measuring devices, instruments, scientific instruments, etc., can solve problems such as inability to locate square tubes, and achieve the effects of simple structure, fast and accurate positioning, and low cost

Inactive Publication Date: 2013-04-17
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] Aiming at the defects in the prior art, the purpose of the present invention is to provide a square tube flattening test positioning device with convenient operation and easy positioning, so as to solve the technical problem that the square tube cannot be positioned in the square tube flattening test in the prior art

Method used

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  • Positioning device for flatting test of square tube
  • Positioning device for flatting test of square tube
  • Positioning device for flatting test of square tube

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Embodiment Construction

[0033] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0034] see Figure 1 to Figure 3 , a square tube flattening test positioning device, including: a base 1, a scale 2, a V-shaped caliper 3 and a connecting piece. The scale 2 is vertically fixed on the base 1, and the V-shaped caliper 3 is connected with the scale 2 through a connecting piece. The connecting piece includes a connecting mechanism 4 and a screw 5 , the screw 5 is connected with the connecting mechanism 4 , the connecting mechanism 4 is socketed and connected with the scale 2 , and i...

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Abstract

The invention provides a positioning device for a flatting test of a square tube. The positioning device comprises a base, a ruler, a V-shaped caliper and a connecting member, wherein the V-shaped caliper is connected with the roller through the connecting member. The positioning device directly locates the square tube on a bench of a pressing machine, so that the flatting test of the square tube operated manually can be replaced with the pressuring machine, and the defects of unreliability and only being suitable for square tubes in small size, in the manual operation can be overcome; and the positioning device has the advantages of rapidness and accuracy positioning, simple structure, low cost and convenience in use.

Description

technical field [0001] The invention relates to a positioning device in the field of detection of square steel pipes, in particular to a positioning device for flattening tests of square pipes. Background technique [0002] With the rapid and stable development of the automobile industry, the passenger car industry is also developing rapidly and continuously. Different from the round tubes of the ordinary small car frame, the bus frame is mainly the secondary processing of various types of tubes, among which square tubes are widely used in the bus frame. In recent years, the trend of safety, energy saving, and lightweight has become more and more obvious. Various new materials have been widely used in the automobile industry including passenger cars, among which the use of advanced high-strength steel is particularly prominent. Compared with ordinary carbon steel, the strength of high-strength steel material is significantly improved. In this way, under the premise of meeti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/02
Inventor 赵亦希李淑慧石磊韩非马越峰晏培杰晁灿俞网慰
Owner SHANGHAI JIAO TONG UNIV
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