Temperature-adjustable rock mechanics tester on rotary table
A technology of rock mechanics and testing machines, applied in the direction of applying stable tension/pressure to test material strength, measuring devices, scientific instruments, etc., can solve problems such as single temperature conditions, improve accuracy, achieve rotation accuracy, and ensure rigidity Effect
Inactive Publication Date: 2017-03-15
BEIJING JIAOTONG UNIV
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Problems solved by technology
However, the temperature condition that this testing machine can test is single, and it can only carry out rock tests at normal temperature. In fact, the temperature environment of rocks at different depths is different, so it is necessary to add a set that can be used in the testing machine. Heating equipment to adjust the temperature to increase the scope of application of the testing machine
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[0033]Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.
[0034] Those skilled in the art will understand that unless otherwise stated, the singular forms "a", "an", "said" and "the" used herein may also include plural forms. It should be further understood that the word "comprising" used in the description of the present invention refers to the presence of said features, integers, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, Integers, steps, operations, elements, components, and / or groups thereof. It will be understood...
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The invention provides a temperature-adjustable rock mechanics tester on a rotary table. The rock mechanics tester mainly comprises an external temperature adjusting device, a marble table, a lower power supply and liquid supply sliding ring, a transition ring, a rotary table bottom plate, the rotary table, a tester bottom plate, a pressure chamber, a lower pressure chamber reinforcing plate, an upper pressure chamber reinforcing plate, a hydraulic servo cylinder, an upper liquid through pipe flange and an upper power supply and liquid supply sliding ring. According to the rock mechanics tester, axial and confining pressure loading of rock and soil samples is achieved, the rock and soil samples are coupled with temperature fields, 360-degree uncovered CT (computed tomography) scanning is achieved, the whole rock mechanics tester is arranged on the rotary table, a loading device and the rotary table are separated, axial load is internal force of the loading device of the tester for the rotary table, rigidity of the tester is ensured, rotating accuracy is achieved, accuracy of test results is improved, and the tester can simulate underground temperature fields with different depths by the external temperature adjusting device and a temperature control system, so that multi-field coupling conditions of rock mechanics tests are met.
Description
technical field [0001] The invention relates to the technical field of rock and soil testing, in particular to a temperature-adjustable rock mechanics testing machine placed on a turntable. Background technique [0002] The rock and soil testing machine is a basic scientific test instrument for studying the stress and strain relationship of rock and soil. It is composed of an axial pressure system, a confining pressure system and a temperature control system. The sample force is applied to the sample through the pressure chamber, and at the same time, the upper and lower end surfaces of the sample and the middle of the sample are respectively placed in different temperature environments through the temperature control system, thereby simulating various conditions of the sample at different temperatures. Actual working conditions. Most of the traditional rock testing machines can only measure the stress-strain relationship curve of the rock sample, but cannot monitor and obt...
Claims
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Inventor 周明连叶育茂黄越
Owner BEIJING JIAOTONG UNIV