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Anchor rod performance test device

A technology for testing devices and anchor rods, which is applied in the direction of measuring devices, applying stable tension/pressure to test material strength, strength characteristics, etc., which can solve problems such as single function, small test range, and inability to meet test requirements, and achieve easy operation , simple structure and strong applicability

Inactive Publication Date: 2013-06-05
INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the material testing machine commonly used to test the tensile deformation characteristics of anchor rods has been unable to meet the testing requirements due to defects such as single function and small test range.

Method used

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Experimental program
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Embodiment Construction

[0010] The present invention will be described in further detail below in conjunction with accompanying drawing

[0011] see Attachment

[0012] A bolt performance testing device, the testing device consists of a bolt positioner 2, a lifting strand 3, an impact weight plate 4, a positioning guide rail 5, a frame body 8, a fixed tripod 9, a positioning rod 10, a buffer pad 11, a static force Hydraulic stretching device 12 is formed. The frame body 8 is composed of a symmetrical bracket and an upper beam. The lower end of the frame body 8 is fixedly connected with the fixed foot frame 9. The inner wall of the frame body 8 is symmetrically provided with positioning guide rails 5 on both sides. The positioning guide rail 5 is provided with a reading scale, and the scale accuracy is 1mm. . The impact weight plate 4 is slidingly installed between the symmetrical positioning guide rails 5. According to different test requirements, the impact weight plate 4 is composed of 1-6 identi...

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PUM

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Abstract

The invention discloses an anchor rod performance test device. The anchor rod performance test device is suitable for test analysis of dynamic shock resistance and static force tensile deformation characteristic of a common anchor rod, and comprises an anchor rod clamping device, an anchor rod positioning device, a lifting stranded wire, an impact heavy disc, a positioning guide rail, a frame body, a fixing foot frame, a positioning rod, a buffering mat and a static force hydraulic tensile device, wherein reading scales are arranged on the positioning guide rail, and a displacement sensor is arranged on the static force hydraulic tensile device. The anchor rod performance test device can be used for testing the capacities of dynamic impact, such as rock explosion resistance and rock burst, of the anchor rod, and for testing the tensile deformation characteristics of resisting against surrounding rock deformation of the anchor rod, can be used in both a dynamic state and static state, is simple and convenient to operate, and is strong in applicability.

Description

technical field [0001] The invention relates to a bolt performance testing device, more specifically a testing device for static tensile deformation and dynamic impact resistance performance of a bolt, belonging to the bolt performance testing technology. Background technique [0002] Bolt support is a common method of surrounding rock reinforcement and support in ground engineering such as slopes and deep foundation pits, as well as underground caverns such as tunnels and stopes. The performance of anchor bolts usually refers to the static tensile deformation characteristics and dynamic impact resistance characteristics of anchor bolts. In recent years, with the emergence of large deformation of surrounding rock, rockburst, rock burst and other highly destructive disasters, the tensile deformation characteristics and dynamic anti-shock characteristics of anchor rods against deformation are the key to the effect of anchorage support. At present, the material testing machine...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/10G01N3/303
Inventor 周辉徐荣超张传庆卢景景冯夏庭刘继光
Owner INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI
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