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Detection device for tensile test of bridge steel strand

A technology of tensile testing and detection devices, which is applied in the field of bridge steel strands, can solve problems such as the inability to detect the strength and elongation of steel strands, and the inability to guarantee data rigor, so as to increase diversity, increase fault tolerance, and ensure rigor sexual effect

Active Publication Date: 2021-08-13
CHINA RAILWAY SHISIJU GROUP CORP +2
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AI Technical Summary

Problems solved by technology

[0003] However, the existing steel strand manufacturing companies cannot perform good strength and elongation tests on the steel strand after the completion of the steel strand production. Most of them are just simple manual testing by the staff, and the manual testing cannot guarantee the rigor of the data, which may lead to some serious incidents due to the quality problems of the steel strand itself during the subsequent use of the steel strand

Method used

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  • Detection device for tensile test of bridge steel strand
  • Detection device for tensile test of bridge steel strand
  • Detection device for tensile test of bridge steel strand

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Embodiment Construction

[0024] The following is further described in detail through specific implementation methods:

[0025] see Figure 1-6 , the present invention provides a technical solution: a bridge steel strand tensile test detection device, including a top plate 15, the bottom of the top plate 15 is welded with a U-shaped box 16, and the top of the top plate 15 is welded with a hydraulic rod 11 and a U-shaped box. U-shaped placement box 6, the U-shaped placement box 6 covers the hydraulic rod 11 inside, and the top of the top plate 15 is provided with a traverse groove 12. side, the inside of the two traversing grooves 12 is slidingly installed with a traversing block 14, the top of the traversing block 14 is welded with a fixed block 13, the top of the fixed block 13 is welded with a side frame 2, and the side frame 2 A rotary clamping and positioning mechanism 3 is arranged inside.

[0026] The rotary clamping positioning mechanism 3 includes a two-way threaded rod 301, a moving block 30...

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Abstract

The invention discloses a detection device for a tensile test of a bridge steel strand, a U-shaped box is welded and mounted at the bottom of a top plate, a hydraulic rod and a U-shaped placement box are welded and mounted at the top of the top plate, the U-shaped placement box covers the hydraulic rod, the number of top transverse moving grooves of the top plate is two, the top transverse moving grooves are respectively located at two sides of the U-shaped placement box, transverse moving blocks are slidably mounted in the two transverse moving grooves, fixing blocks are welded to the tops of the transverse moving blocks, a rotary clamping and positioning mechanism is arranged in the position, on the top side of the fixing blocks, of the rack, a transmission type circulating downward pressing mechanism is arranged in the U-shaped placement box, and a mechanical opening type pushing mechanism is arranged in the U-shaped box. According to the detection device, the steel strand can be powerfully clamped, the steel strand can be rapidly stretched, and a certain position of the fixed steel strand can be circularly beaten, so that relatively strict steel strand detection data can be obtained, and manual detection of workers is not needed.

Description

technical field [0001] The invention relates to the technical field of bridge steel strands, in particular to a detection device for tensile testing of bridge steel strands. Background technique [0002] Steel strand is a steel product composed of multiple steel wires, which can be divided into prestressed steel strand, unbonded steel strand, galvanized steel strand, etc. Its carbon steel surface can be added with galvanized layer, zinc-aluminum alloy layer, aluminum-clad layer, copper-plated layer, epoxy resin coating, etc. according to needs. Steel strands are mostly used in bridge construction, and with the development of the times, steel strands Production companies have sprung up all over the country. [0003] However, the existing steel strand manufacturing companies cannot perform good strength and elongation tests on the steel strands after the production of the steel strands is completed. Ensuring the rigor of the data may lead to some serious incidents during the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/34G01N3/04
CPCG01N3/34G01N3/04G01N2203/0005G01N2203/0676
Inventor 宋军王保群孙国富董旭周岐文马玉鸿马玉鹏薛亢亢
Owner CHINA RAILWAY SHISIJU GROUP CORP
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