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Efficient sampling device of organic-matter-rich mudstone section

A technology rich in organic matter and sampling device, applied in sampling device, sampling, measuring device and other directions, can solve the problems such as the shaft sleeve and the sample cannot be completely matched, the cylindrical sample is not standard enough, and the accuracy of the experimental data is affected, so as to save grinding Steps, improve stability, improve the effect of friction

Active Publication Date: 2020-09-15
HENAN POLYTECHNIC UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the process of mechanical research on the organic-rich mudstone section, it is necessary to take samples from the original rock samples so as to make them conform to the size of the mechanical test specimens, while the mudstone It is a kind of weakly consolidated clay that forms a strongly consolidated rock after a moderate degree of epigenesis. It will hydrate and disintegrate when it encounters water. During the sampling process, it is necessary to clean up the debris generated during the original sampling. Otherwise, it will affect its overall integrity. In addition, due to the irregular shape of the original rock sample, the stable clamping of the original rock sample becomes the top priority. Otherwise, during the sampling process, the original rock sample shakes, which will cause all The drilled cylindrical sample is not standard enough. When the shaft sleeve is installed for axial compression test, the shaft sleeve and the sample cannot be completely matched, which directly affects the accuracy of the experimental data.

Method used

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  • Efficient sampling device of organic-matter-rich mudstone section
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  • Efficient sampling device of organic-matter-rich mudstone section

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Embodiment Construction

[0032] see Figure 1~4 , in an embodiment of the present invention, a high-efficiency sampling device for organic-rich mudstone section, which includes a base 1, a ring pedestal 2, a sample placement assembly 3, a support arm 6 and a connecting arm 7, wherein the middle part of the base 1 is provided with a The sample placement component 3 is used to place the original rock sample to be sampled. The base 1 is also fixed with a ring pedestal 2, and one side of the ring pedestal 2 is fixed with a support arm 6, which can be moved up and down. The moving connection has the connecting arm 7, specifically, the supporting arm 6 can use the screw nut pair structure to drive the connecting arm 7 slidingly connected with it to slide up and down;

[0033] The other end of the connecting arm 7 adopts a mounting seat 11 to be provided with a sampling assembly 9, the sampling end of the sampling assembly 9 is cylindrical, and by driving the sampling end to rotate, a columnar sample can be ...

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Abstract

The invention discloses an efficient sampling device of an organic matter-rich mudstone section. The device comprises a base, an annular pedestal, a sample placing assembly, a supporting arm and a connecting arm. The sample placing assembly is arranged in the middle of the base and used for placing an original rock sample to be sampled, the annular pedestal is further fixed to the base, the supporting arm is fixed to one side of the annular pedestal, and the connecting arm is connected to the supporting arm in an up-down moving mode; a sampling assembly is arranged at the other end of the connecting arm through a mounting base, a sampling end of the sampling assembly is cylindrical, and a columnar sample can be separated from an original rock sample by driving the sampling end to rotate sothat subsequent mechanical testing is facilitated; and the annular pedestal is further provided with a plurality of sets of flexible clamping assemblies, the flexible clamping assemblies can flexiblypress the original rock sample downwards from the upper portion of the original rock sample, the original rock sample can be kept in the state that the original rock sample is jointly clamped by theflexible clamping assemblies and the sample placing assembly, and stability of the original rock sample in a sampling process is improved.

Description

technical field [0001] The invention relates to the technical field of rock mass sampling, in particular to an efficient sampling device for organic-rich mudstone sections. Background technique [0002] In the process of mechanical research on the organic-rich mudstone section, it is necessary to sample the original rock sample to make it conform to the size of the mechanical test sample, and the mudstone is a kind of weakly consolidated clay formed by a moderate degree of epigenesis Strongly consolidated rocks will hydrate and disintegrate when exposed to water. During the sampling process, it is necessary to clean up the original debris generated during sampling, otherwise it will affect its overall integrity. In addition, due to the original rock If the shape of the sample is irregular, the stable clamping of the original rock sample becomes the top priority. Otherwise, during the sampling process, the original rock sample shakes, which will cause the drilled cylindrical ...

Claims

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Application Information

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IPC IPC(8): G01N1/08G01N1/28B01D15/10
CPCG01N1/08G01N1/286B01D15/10G01N2001/085G01N2001/2866
Inventor 常玉光杨文涛王敏李从强张润华何学谦
Owner HENAN POLYTECHNIC UNIV
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