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Material compression creep test device

A compression creep and test device technology, which is used in measuring devices, analyzing materials, and testing the strength of materials by applying stable tension/pressure. Inaccurate results, etc., to achieve the effect of simple and clear structure principle, small footprint, and reliable test results

Inactive Publication Date: 2016-06-22
NORTHEAST FORESTRY UNIVERSITY +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In order to solve the problem that the existing material creep pressure device usually adopts jack loading, the loading force cannot be kept constant and the deformation measurement of the test piece is not accurate enough, which causes inaccurate test results, and further provides a simple structure, Small space occupation, safe and practical, constant loading force, suitable for long-term creep and accurate measurement of material compression creep test device

Method used

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specific Embodiment approach

[0029] Specific embodiments: for illustration in conjunction with the accompanying drawings, the material compression creep test device of this embodiment includes three sets of compression loaders A, the three sets of compression loaders A are arranged in a ring, and the adjacent two sets of compression loaders A The upper and lower ends are connected by the connecting rod 17 and the connecting plate 11; each set of compression loader A includes the first fixed plate 1, the second fixed plate 2, the third fixed plate 3, the fourth fixed plate 19, the first sliding plate 4. The second sliding plate 5, three first columns 6, three second columns 7, three third columns 20, lever 8, first movable pulley 9, heavy object carrying basket 10, second movable pulley 12, first Rope 13, second rope 14, third rope 18 and connecting rod 15;

[0030] The first fixed plate 1, the fourth fixed plate 19, the second fixed plate 2 and the third fixed plate 3 are arranged horizontally from bottom...

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Abstract

The invention provides a material compression creep testing device and relates to a material compression testing device. The material compression creep testing device is used for solving the problem of inaccurate test results due to non-constant loading force and inaccurate test piece deformation measurement of an existing material compression creep device. The material compression creep testing device comprises a plurality of compression loaders; fixed plates are connected by use of upright columns; a first sliding plate slides on the second upright column, while a second sliding plate slides on the third upright column; the first sliding plate is connected with the second sliding plate by use of a steel bar; a piece to be tested is mounted between the fourth fixed plates and the first sliding plate; a first movable pulley is connected with a connecting rod; one end of a first rope is fixed on the third fixed plate, while the other end is connected with a second movable pulley by being wound around the first movable pulley; one end of a second rope is fixed on the third fixed plate, while the other end is fixed on a lever by being wound around the second movable pulley; a heavy carrying basket is connected with the lever by use of a third rope. The material compression creep testing device is constant in loading force and suitable for long lasting of a creep test.

Description

technical field [0001] The invention relates to a material performance test device, in particular to a material compression creep test device, which belongs to the technical field of material performance detection. Background technique [0002] The creep properties of materials affect the performance and durability of materials to a certain extent. In particular, materials can undergo excessive creep under long-term loads, and even lead to final failure. Therefore, it is of great significance for the application of materials to study the time-dependent creep properties of materials under load. Existing material creep compression devices are usually loaded by jacks, Zhou Huazhang. Creep of rotary-sheared glulam and its influence on structural stability. Doctoral thesis, Harbin Institute of Technology, 2009.10. Introduction: Because the jack is prone to unloading, long-term guarding is required. Due to human factors and other reasons, the loading force cannot be kept constant...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/14G01N3/02
Inventor 张秀华李玉顺吴培增张建民张达高珊鄂婧
Owner NORTHEAST FORESTRY UNIVERSITY
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