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Mechanical reinforcement system

A force-increasing and mechanical technology, applied in the direction of applying stable tension/pressure to test the strength of materials, etc., can solve problems such as the inability to meet pressure requirements, and achieve the effects of simple structure, high precision and convenient use.

Active Publication Date: 2014-09-03
INST OF HYDROGEOLOGY & ENVIRONMENTAL GEOLOGY CHINESE ACAD OF GEOLOGICAL SCI
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Problems solved by technology

Due to the limitations of the application surface and the pressure resistance and sealing of the required materials, the existing pneumatic loading method can generally only provide a high stress pressure of no more than 3.5Mpa, which cannot meet the pressure requirement of 20Mpa.

Method used

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  • Mechanical reinforcement system

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Embodiment Construction

[0018] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0019] The embodiment of the present invention proposes a mechanical booster system, the structure of which is as follows figure 1 As shown, it includes a platform 1, a sample chamber 2 for placing a test sample, a counterweight 3 for providing pressure, and a vertically arranged for pressurizing the test sample in the sample chamber 2. Rally 4. Such as figure 1 As shown, the sample chamber 2 is fixed on the platform 1 and has an opening at the top. The first end of the tension frame 4 is connected to the counterweight 3 through a connection mechanism, and the second end is sleeved on the sample chamber 2 so that the test sample in the sample chamber can be controlled by the gravity of the counterweight 4 . Pressurize. In this way, when in use, the r...

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Abstract

The invention provides a mechanical reinforcement system which comprises a counter weight for providing pressure, and a tension rack which is arranged along the vertical direction and is used for pressurizing a test sample in a sample chamber, wherein a first end of the tension rack is connected with the counter weight through a connecting mechanism, and the test sample in the sample chamber is pressurized through a second end of the tension rack. According to the scheme, a tension frame is connected through the counter weight and a reasonable connecting structure, and the test sample in the sample chamber is pressurized through the tension frame. The structure is high in stability, and uninterrupted pressurization can be guaranteed. Meanwhile, the value of applied pressure can be adjusted by adjusting the counter weight, and the system is convenient to use. Therefore, the system has the advantages of wide range, simple structure, high stability, high precision, low cost and the like.

Description

technical field [0001] The invention relates to the technical field of machinery, in particular to a mechanical booster system. Background technique [0002] Soil compression test is an indoor test to study the compressive properties of soil under confined conditions. During the test, put the soil sample in a rigid metal box, pressurize the soil sample from small to large through the pressure-bearing piston, draw the soil compression curve according to the compressive stress at each level and the corresponding pore ratio, and obtain the compression coefficient and compression modulus. Quantity and other parameters. [0003] In the prior art, it is necessary to provide pressure through a mechanical booster system when performing related geotechnical compression test devices. Existing test samples for geotechnical compression tests are all soil samples with a diameter ф×height H of 61.8mm×40mm. During the test, continuous axial pressurization / unloading of the test specimen ...

Claims

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Application Information

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IPC IPC(8): G01N3/14
Inventor 王秀艳刘长礼王志良
Owner INST OF HYDROGEOLOGY & ENVIRONMENTAL GEOLOGY CHINESE ACAD OF GEOLOGICAL SCI
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