Rotatable rock mechanics testing machine with internal heating
A technology of rock mechanics and internal heating, applied in the direction of applying stable tension/pressure to test the strength of materials, measuring devices, scientific instruments, etc., can solve problems such as single temperature conditions, improve accuracy, ensure stiffness, and achieve rotation accuracy Effect
Inactive Publication Date: 2019-08-06
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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[0040] 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.
[0041] 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 understoo...
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The invention provides a rotatable rock mechanics testing machine with an interior heating device. The rotatable rock mechanics testing machine with the interior heating device is mainly characterized in that a rotary table is fixed on a foundation bed through a bolt; a rotary table baseplate is fixed on the upper surface of the rotary table through a bolt; the lower surface of the rotary table baseplate is matched with the rotary table through a rabbet to realize concentric rotation; a lower power and liquid supply slip ring is connected to a lower flange of a lower liquid flowing pipe flange by a bolt; an upper flange of the lower liquid flowing pipe flange, a transition ring and the rotary table baseplate are fixedly connected by using bolts; a testing machine baseplate is fixed on the rotary table baseplate through a bolt; the lower end of a pressure chamber and a lower reinforcing plate of the pressure chamber are fixedly connected to the testing machine baseplate through bolts; and the upper end of the pressure chamber and an upper reinforcing plate of the pressure chamber are fixedly connected to a hydraulic servo cylinder through bolts. The rotatable rock mechanics testing machine with the interior heating device has the beneficial effects that the axial and confining pressure loading of a rock test sample is realized, meanwhile, the coupling of the rock test sample and a temperature field is also realized, and the 360-degree shielding-free CT scanning is also realized; the rigidity of the testing machine is ensured; the rotary accuracy is also realized; and the accuracy of testing results is improved.
Description
technical field [0001] The invention relates to the technical field of rock and soil testing, in particular to a rotatable rock mechanics testing machine with an internal heating device. 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 obtain...
Claims
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IPC IPC(8): G01N3/12
CPCG01N3/12G01N2203/0226
Inventor 周明连叶育茂黄越
Owner BEIJING JIAOTONG UNIV