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Weak-interface and low-strength rock sample making apparatus and sample making method thereof

A technology of rock sample and preparation device, which is applied in the preparation of test samples and other directions, can solve the problems of high breakage rate and difficult preparation of low-strength rock samples, and achieves low surface breakage rate, small damage, and improved flexibility. Effect

Inactive Publication Date: 2015-03-11
NORTHEAST GASOLINEEUM UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] An object of the present invention is to provide a low-strength rock sample preparation device containing a weak interface. This low-strength rock sample preparation device containing a weak interface is used to solve the problems of difficult preparation of a low-strength rock sample containing a weak interface and a high breakage rate. Another purpose is to provide the sample preparation method of this low-strength rock sample preparation device containing weak interface

Method used

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  • Weak-interface and low-strength rock sample making apparatus and sample making method thereof
  • Weak-interface and low-strength rock sample making apparatus and sample making method thereof
  • Weak-interface and low-strength rock sample making apparatus and sample making method thereof

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Embodiment Construction

[0048] The present invention will be further described below in conjunction with the accompanying drawings.

[0049] Such as figure 1 As shown, the low-strength rock sample preparation device with a weak interface is composed of a diamond wire saw machine 1, a workbench 2, and a grinder 3 arranged on a base 4. Refer to Figure 5 , a cutting table 15 and a clamping turntable 16 are set on the workbench 2, and the diamond wire saw machine 1 spans the base 4 through the steel brackets 7 on both sides. The rail 6 passes under the diamond wire saw machine 1, and the workbench 2 can move horizontally on the translation slide rail 6. The workbench 2 can move the cutting table 15 or the clamping turntable 16 to the diamond wire 14 of the diamond wire saw machine respectively. Below, the workbench 2 can also move the cutting table 15 below the grinding cylinder 32 of the grinding machine 3 . The workbench 2 is provided with a propulsion handwheel 27, and the workbench 2 is controlled...

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Abstract

The invention relates to a weak-interface and low-strength rock sample making apparatus and a sample making method thereof. The weak-interface and low-strength rock sample making apparatus is formed by arranging a diamond wire sawing machine, a workbench and a polishing machine on a pedestal, the workbench is provided with a cutting bench and a clamping rotating disc, and the diamond wire sawing machine is arranged across the pedestal through steel supports at two sides of the diamond wire sawing machine; the diamond sawing wire of the diamond wire sawing machine is wound outside two power wheels, and a cooling gas nozzle is arranged below the diamond sawing wire; the cutting bench comprises a cutting seat, a cutting rack, a clamping handle, positioning slots, a circumferential rotation device and a rotating hand wheel, the cutting seat is fixedly connected with the cutting rack through a vertical adjusting device, the cutting rack has two corresponding support bodies, the upper ends of the two support bodies respectively form the positioning slots, the upper end of one of the support bodies is provided with the circumferential rotation device, the circumferential rotation device is connected with a circular module, the upper end of the other one of the support bodies is provided with the clamping device, and the clamping device is connected with another circular module. The cutting process in the invention has small damages to a rock sample, so the cutting precision is high, and the cut surface is smooth.

Description

technical field [0001] The invention relates to a rock mechanics sample preparation tool in the fields of rock mechanics engineering, petroleum engineering, mining engineering and the like, in particular to a device for preparing a low-strength rock sample with a weak interface and a method for preparing the sample. Background technique [0002] At present, the development of unconventional oil and gas resources has attracted worldwide attention. Mechanical parameter testing is an important method to study the mechanical properties of unconventional reservoir rocks. Most of the rock samples used in rock physical and mechanical testing are cylindrical, such as uniaxial, The triaxial compressive strength test requires the rock sample size to be φ25mm*50mm, φ50mm*100mm, and the Brazilian splitting test requires the rock sample size to be φ50mm*25mm. At present, it is very difficult to prepare columnar rock samples of jointed coal rock, mudstone, oil shale and other unconvention...

Claims

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Application Information

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IPC IPC(8): G01N1/28
Inventor 李玉伟张军艾池冯福平高长龙曾佳
Owner NORTHEAST GASOLINEEUM UNIV
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