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Abrasion testing machine for measuring wear resistance index of rock and use method of abrasion testing machine

A technology of wear resistance index and abrasion test, which is applied in the field of abrasion testing machines for measuring rock wear resistance index, can solve the problems of increasing test differences, etc., and achieve the effects of easy repeated tests, exquisite structure design, and convenient operation

Pending Publication Date: 2022-07-05
CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in the past, the equipment for measuring the wear resistance index increased the variability of the test by manually controlling the speed of the steel needle moving back and forth.

Method used

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  • Abrasion testing machine for measuring wear resistance index of rock and use method of abrasion testing machine
  • Abrasion testing machine for measuring wear resistance index of rock and use method of abrasion testing machine
  • Abrasion testing machine for measuring wear resistance index of rock and use method of abrasion testing machine

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Embodiment Construction

[0029] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0030] for figure 1 – Figure 7 For the parts of the abrasion tester shown, the functions of each part are described below:

[0031] It is mainly composed of supporting frame parts, load steel needle parts, rock sample holding parts, manual sliding table components and motor sliding table components, and the method for rock wear resistance test;

[0032] The present invention is realized by the following equipment and method:

[0033] The supporting frame components include a base plate 1, a column 2, a 90-degree angle code-a 3, a beam 4, a reinforcing...

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Abstract

The invention discloses an abrasion testing machine for measuring the abrasion resistance index of rock and a using method of the abrasion testing machine. The abrasion testing machine comprises a plurality of parts, and a supporting frame assembly builds a load-carrying framework of the abrasion testing machine; the load steel needle assembly is used for clamping a steel needle, adjusting the vertical position of the steel needle and providing load pressure after the steel needle is in contact with the rock sample; the rock sample clamping component is used for clamping and fixing a rock sample; the manual sliding table component is used for adjusting the left-right position of the rock sample; and the motor sliding table component is used for adjusting the front-back position of the rock sample and realizing the etching of the steel needle on the rock sample. The use method of the abrasion testing machine comprises the steps of installing the rock sample and the steel needle, adjusting the position of the rock sample, applying force to the rock sample, abrading the surface of the rock sample, taking down the rock sample and the steel needle, reading the abrasion resistance index and the like. According to the invention, the test of the wear resistance index of the rock is realized, and the device and the method are necessary equipment and a method for detecting the physical and mechanical properties of the rock, are used for evaluating the wear resistance of the rock and provide important reference for selection and wear of a rock breaking cutter in a construction process.

Description

technical field [0001] The invention relates to the field of rock physical and mechanical property testing, in particular to an abrasion testing machine for measuring rock wear resistance index and a method of using the same. Background technique [0002] In rock tunnel excavation construction, the estimated excavation rate and tool loss are very important in the initial design stage, which determine the selection of excavation methods and have a huge impact on construction efficiency. The excavation rate and tool loss are directly related to the abrasiveness of rock, and have great reference value for the correct evaluation of rock wear resistance. The wear resistance of rock is related to its mineral composition, degree of weathering, hardness, rock structure, particle size, shape and connection between particles. The higher the content of high-hardness minerals in the rock, the stronger the abrasiveness. [0003] In order to measure or estimate rock abrasiveness, the Cer...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/56
CPCG01N3/56
Inventor 王玉杰赵宇飞曹瑞琅沈强皮进刘立鹏
Owner CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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