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Expansion joint tensile test device

A test device and node tensile technology, which is used in measuring devices, using stable tension/pressure to test the strength of materials, instruments, etc., can solve the problems of long testing process time, cumbersome measurement steps, low detection efficiency, etc. Measurement difficulty, convenient and accurate measurement, and the effect of improving measurement efficiency

Pending Publication Date: 2021-01-22
张爱凤
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing tensile test device for expansion joints has cumbersome measurement steps, a long test process, and very low detection efficiency

Method used

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  • Expansion joint tensile test device
  • Expansion joint tensile test device
  • Expansion joint tensile test device

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Embodiment Construction

[0015]In order to make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of the embodiments of the present invention, not all the embodiments. The components of the embodiments of the present invention generally described and illustrated in the drawings herein may be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skil...

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Abstract

The invention relates to the technical field of expansion joint detection devices, in particular to an expansion joint tensile test device which comprises a mounting base. An expansion joint is arranged at the upper end of the mounting base, pipe openings are fixedly connected to the left end and the right end of the expansion joint, and frame bodies are fixedly connected to the left end and the right end of the mounting base. A mounting plate is fixedly connected between the two frame bodies, a slotted hole is dug in the upper end of the mounting plate, elastic pieces are fixedly connected tothe inner walls of the ends, close to each other, of the two frame bodies, rectangular plates are fixedly connected to the ends, close to the expansion joint, of the elastic pieces, and clamping plates are fixedly connected to the rectangular plates. The clamping plates are matched with the pipe openings in shape, side rods are hinged to the upper ends of the rectangular plates through second hinges, the two side rods are rotationally connected through first hinges, sliding rods are fixedly connected to the upper ends of the first hinges, and the sliding rods are connected with the slotted holes in a sliding mode.

Description

Technical field[0001]The invention relates to the technical field of expansion joint detection devices, in particular to an expansion joint tensile test device.Background technique[0002]Introduction: Expansion joint refers to a flexible element that can effectively compensate for axial deformation. It is composed of bellows (a kind of elastic element) and accessories such as end pipes, brackets, flanges, and conduits that constitute the main body of the work. It belongs to a kind of compensation element. For example, the expansion joint welded to the shell of the fixed tube-plate heat exchanger has large axial flexibility and is easy to deform. It can compensate for the difference in thermal expansion between the tube and the shell due to the difference in wall temperature and reduce their axial Load, thereby reducing the temperature difference stress of the tube, tube sheet and shell, avoiding strength damage, instability damage and tube pull-off damage. There are many types of exp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/08
CPCG01N3/08G01N2203/0003G01N2203/0017G01N2203/0075G01N2203/0676G01N2203/0682
Inventor 张爱凤
Owner 张爱凤
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