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Fine crack making device and method of real rock sample

A technology for rock samples and manufacturing devices, which is applied in the preparation of test samples, measuring devices, sampling, etc., and can solve the problems of high cost

Active Publication Date: 2019-09-20
CHONGQING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The first purpose of the present invention is to provide a device for making fine cracks of real rock samples in order to simplify the structure and reduce the cost, so that it can be used in the production of raw rock samples. widely used

Method used

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  • Fine crack making device and method of real rock sample
  • Fine crack making device and method of real rock sample
  • Fine crack making device and method of real rock sample

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Example 1, see figure 1 , figure 2 , image 3 , a fine crack making device for a six-sided cube real rock sample, comprising a base platform 1, a high-speed electric drill 7, a sample holder 8, and a position adjustment device; the high-speed electric drill 7 and the sample holder 8 pass through The position adjustment device is connected to the base platform 1; the position adjustment device is composed of a lifting device 91, a longitudinal displacement device 92 and a sample displacement device 93: the longitudinal displacement device 92 is arranged on the lifting device 91 through an angle adjuster , and be connected with the lifting device 91 in a liftable structure; the angle adjuster has a structure with an adjustable pitch angle; the sample holder 8 is arranged on the sample shifting device 93 through the turntable 24, wherein the turntable 24 The rotating member is fixedly connected with the sample holder 8, and the fixed part of the turntable 24 is fixedly ...

Embodiment 2

[0048] Example 2, such as Figure 5 , Figure 6 , a device for making fine fractures of a disc real rock sample, wherein the sample holder 8 is used for making cracks in the disc sample, and the two ends of the sample are set horizontally to form a horizontal or inclined surface on the cylinder crack. The sample holder 8 includes a bottom plate 81, and one end of the bottom plate 81 is vertically provided with a column 101, and the column 101 is screwed with a horizontally arranged jacking rod 102 through a threaded hole. The arc-shaped positioning block 103 on the surface of the disk sample cylinder, the end of the clamping rod 102 is provided with a clamping handle; one side wall of the column 101 is equipped with an upper clamping block 104 and a lower clamping block through a dovetail guide rail pair structure 105, the upper clamping block 104 and the lower clamping block 105 are used to clamp the sample through the two ends of the disc sample; the upper clamping block 1...

Embodiment 3

[0050] Example 3, see Figure 7 , Figure 8 , a device for making fine fractures of disc real rock samples, wherein the sample holder 8 is used for making disc sample cracks, and the two ends of the sample are vertically arranged to form a horizontal or inclined surface on the end faces crack. The main difference between the structure of the sample holder 8 and that of Embodiment 2 is that the front end of the clamping rod 102 is provided with a flat clamping plate 108, and the clamping parts of the upper clamping block 104 and the lower clamping block 105 are provided with There are arc clamping blocks 109. The rest are with Figure 5 , Figure 6 The structures shown are the same.

[0051] The rest of the structure of this embodiment is the same as that of Embodiment 2, and will not be repeated here.

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Abstract

The invention discloses a fine crack making device and method of a real rock sample. The device comprises a basic platform, a high-speed electric drill, a sample holder and a position adjusting device; the high-speed electric drill and the sample holder are both arranged via the position adjusting device; the position adjusting device is composed of an elevating device, a longitudinal displacement device of an elevation and pitching angle adjustable structure, and a sample displacement device; the test holder can be moved horizontally; and the high-speed electric drill is movably arranged on the longitudinal displacement device, and carries out crack processing by means of a diamond clamping cutter. The sample holder includes a six-side cubic sample form and a disc sample form. The crack making method is enforced on the basis of the device. The device and method have the advantages that the device is simple in structure and low in cost, different types of fine cracks can be made conveniently, the method is reasonable in the technical process, the cracks are smooth and regular, and basis is provided for research on the damage mode and crack expansion mechanism of real crack-contained rocks.

Description

technical field [0001] The invention belongs to the technical field of sample processing, in particular to a device and method for making fine cracks of real rock samples. Background technique [0002] In the field of geotechnical engineering, fractured rock mass and composite fractured rock mass are often encountered as a complex medium. The research on the crack expansion and evolution of this type of fractured rock mass is important to maintain the stability of various geotechnical engineering. It is an important part of the study of sexual and unconventional oil and gas recovery. A large number of engineering practices have shown that in the field of geotechnical engineering, the cracking of rock mass and the formation of fracture networks are affected by many factors, such as in-situ stress and fluid pressure. The cracking mode, the development and evolution of cracks, and the morphological characteristics of the crack network structure have important influences. Ther...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/28
CPCG01N1/286G01N2001/2866
Inventor 张东明吴明洋李铭辉邓博知宋真龙刘淑敏赵宏刚鲁俊刘超石发瑞高恒
Owner CHONGQING UNIV
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