Heavy-duty rotatable rock mechanics testing machine

Abstract

The invention belongs to the technical field of mechanics testing equipment, and particularly relates to a heavy-duty rotatable rock mechanics testing machine. The testing machine comprises a fixing member, a bearing rotating mechanism, a pressure chamber, and a loading rotating mechanism. The bearing rotating mechanism and the loading rotating mechanism are both disposed on the fixing member. Thepressure chamber is connected between the bearing rotating mechanism and the loading rotating mechanism. The bearing rotating mechanism, the pressure chamber, and the loading rotating mechanism can rotate synchronously during the test, and bear the supporting reaction force by the fixing member. Compared with the existing CT testing machine, the heavy-duty rotatable rock mechanics testing machinecan bear more supporting reaction force, can carry out loading test with larger load, and can carry out loading test on a larger size test sample, so that CT scan results can better reflect the heterogeneity, discontinuity, and post-peak characteristics of a real geological body. During the loading test, the CT scan of the test sample can be performed to obtain the structural state of the test sample in the loaded state, which is more conducive to scientific research.

Description

technical field [0001] The invention belongs to the technical field of mechanical testing equipment, and specifically provides a heavy-duty rotatable rock mechanical testing machine. Background technique [0002] The exploration and development of resources in the world today has advanced to the second deep space of the earth (2000-10000 meters). The development of such resources requires the use of ultra-deep vertical wells and horizontal wells, and it is necessary to reform the geological body of the reservoir and implement rock fracturing to increase permeability. . The efficient development of this kind of resources must solve the major basic scientific problems "the formation and evolution of geological bodies under the action of pressure and temperature, the law of gas-liquid migration and the characteristics of physical property changes", which is also the frontier science for understanding the state of geological bodies and geological processes question. [0003] T...

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Problems solved by technology

[0007] In order to solve the above-mentioned problems in the prior art, that is, in order to solve the small size of the test sample applicable to the existing CT rock testing machine, the full stress-strain curve of the test sample cannot be obtained, and the CT scan results cannot reflect the heterogeneity of the actual geological body In view of the problems of non-continuity, discontinuity, and post-peak characteristics, the present invention provides a heavy-duty rotatable rock mechanics testing machine, which includes a fixed member, a bearing rotating mechanism, a pressure chamber and a loading rotating mechanism, the loading rotation mechanism and the loading rotation mechanism are both arranged on the fixed member, and the pressure chamber is connected between the loading rotation mechanism and the loading rotation mechanism. The swivel mechanism, the pressure chamber and the loading swivel mechanism can rotate synchronously

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