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A sheet material winding high temperature tensile test fixture for architectural membrane materials

A technology of sheet materials and architectural membrane materials, applied in the direction of applying stable tension/pressure to test the strength of materials, analyzing materials, instruments, etc., can solve the problem that the real length change cannot be measured, the tensile test fixture at room temperature cannot be used normally, etc. problems, to eliminate experimental errors

Inactive Publication Date: 2020-06-09
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problems that the existing high-temperature mechanical performance test of building structure materials cannot measure the real length change during the stretching process and the normal temperature tensile test fixture cannot be used normally.

Method used

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  • A sheet material winding high temperature tensile test fixture for architectural membrane materials
  • A sheet material winding high temperature tensile test fixture for architectural membrane materials
  • A sheet material winding high temperature tensile test fixture for architectural membrane materials

Examples

Experimental program
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specific Embodiment approach 1

[0022] Specific implementation mode one: combine Figure 1 to Figure 16 Describe this embodiment, a sheet-shaped material winding high-temperature tensile test fixture for architectural membrane materials in this embodiment, it includes an upper clamp body, a lower clamp body and a test piece 7, the upper end of the upper clamp body and the lower clamp body The concrete lower ends are all connected with the tensile testing machine, and the lower end of the upper clamp concrete and the upper end of the lower clamp concrete are connected by the test piece 7;

[0023] The upper clamp body includes the upper clamp A connecting rod 1, the upper clamp length adjustment valve 2, the upper clamp B connecting rod 3, the upper clamp clamping end 5 and the upper clamp winding end 6, the upper clamp A connecting rod 1 and the upper clamp B connecting rod 3 are connected through the length adjustment valve 2 of the upper fixture, the clamping end 5 of the upper fixture is connected with th...

specific Embodiment approach 2

[0027] Specific implementation mode two: combination Figure 12 Describe this embodiment, the upper clamp length adjustment valve 2 and the lower clamp length adjustment valve 9 of this embodiment have the same structure, the upper clamp length adjustment valve 2 includes a cylinder 2-1 and two handles 2-2, two handles 2- 2. It is fixedly installed on the outer wall of the cylinder body 2-1. The cylinder body 2-1 is provided with an internal thread 2-3 in the opposite direction of rotation; the connecting rod 1 of the upper fixture A and the connecting rod 3 of the upper fixture B are equipped with Internal thread 2-3 matched external thread. Such setting makes it convenient to adjust the vertical lengths of the upper fixture A connecting rod 1 and the upper fixture B connecting rod 3 by pulling the two handles 2-2 during actual use, making the use more flexible and the operation more accurate. Other compositions and connections are the same as in the first embodiment.

specific Embodiment approach 3

[0028] Specific implementation mode three: combination Figure 12 Describe this embodiment, the upper clamping end 5 of this embodiment includes two upper clamping pieces, the two upper clamping pieces are oppositely arranged, and each upper clamping piece all includes an upper clamping block 5-1 and an upper clamping piece Holding rod 5-2, the upper clamping rod 5-2 is installed on the upper end of the upper clamping block 5-1 and is integrated with the upper clamping block 5-1, and the middle part of the upper clamping block 5-1 is provided with three fan-shaped The upper through hole 5-3; the clamping end 12 of the lower clamp includes two lower clamping parts, the two lower clamping parts are arranged oppositely, and each lower clamping part includes a lower clamping block 12-1 and a lower clamping rod 12-2, the lower clamping rod 12-2 is installed on the upper end of the lower clamping block 12-1 and is integrated with the lower clamping block 12-1, and the middle part of...

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Abstract

The invention provides a coiling type high-temperature stretching test clamp for a sheet-shaped material, relates to a stretching test clamp, and aims at solving the problem of the conventional building structure material high-temperature mechanical performance test that the true length variation in the stretching process cannot be detected and a normal-temperature stretching test clamp cannot beused normally. The coiling type high-temperature stretching test clamp for the sheet-shaped material comprises an upper clamp body, a lower clamp body and a test part, wherein the upper end of the upper clamp body and the lower end of the lower clamp body are connected to a stretching tester; the lower end of the upper clamp body is connected to the upper end of the lower clamp body through the test part. The coiling type high-temperature stretching test clamp for the sheet-shaped material is reasonable in size, simple, easy, reliable for high-temperature stretching test of the sheet-shaped material such as a building film, and capable of effectively performing high-temperature stretching test; the problem of effective clamping of the sheet-shaped material at the clamping end and the clampsize fitting can be solved; the clamp is applicable to the sheet-shaped material stretching test.

Description

technical field [0001] The invention relates to a tensile test jig, in particular to a sheet material winding high-temperature tensile test jig used for architectural membrane materials, and belongs to the technical field of sheet material mechanics testing. Background technique [0002] The experimental research and evaluation of high-temperature mechanical properties of building structural materials is of great significance in the field of building fire protection. At present, the research methods of high-temperature material properties test of traditional building materials such as steel and concrete are relatively mature, and the relevant research results have also been applied to the research of building fire prevention. Membrane materials, as an emerging fifth class of building materials, are widely used in large-span structures due to their light weight, high light transmittance, and good anti-fouling and self-cleaning properties, but the research on the high-temperat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/04G01N3/18
CPCG01N3/04G01N3/18G01N2203/0017G01N2203/0226G01N2203/0423
Inventor 曹正罡于洋孙瑛张健乔培鑫
Owner HARBIN INST OF TECH
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