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Adjustable rotatable trapezoid similar model test apparatus

A technology similar to models and test devices, applied in soil material testing, material inspection products, etc., can solve problems such as unsuitable for mining research, achieve the effects of improving success rate and simulation accuracy, saving experimental materials, and reducing occupied space

Inactive Publication Date: 2014-06-18
CHINA UNIV OF MINING & TECH (BEIJING)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When rotating the similar model test device, it is necessary to set a pit on the ground to meet its rotation needs. This similar model test device is very unsuitable for mining research under various complex geological conditions in the laboratory

Method used

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  • Adjustable rotatable trapezoid similar model test apparatus
  • Adjustable rotatable trapezoid similar model test apparatus
  • Adjustable rotatable trapezoid similar model test apparatus

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Embodiment Construction

[0019] The present invention will be further described in conjunction with accompanying drawing:

[0020] Such as figure 1 As shown, an adjustable and rotatable trapezoidal similar model test device includes a model frame composed of a front baffle, a rear baffle, a left side column 3, a right side column 4, a top plate and a bottom plate 5, and the left side column The lower end of the 3 and the lower end of the right column 4 are provided with a rotating shaft, and the inner angles between the left column 3 and the bottom plate 5 and the inner angles between the right column 4 and the bottom plate 5 are both 9° -120 degrees, the left side column 3 and the right side column 4 are all hingedly mounted on the base through the rotation axis (so that the left side column 3 and the right side column 4 can rotate around the rotation axis respectively, so that they can be adjusted separately The angle between the left column 3 and the right column 4 and the bottom plate 5), the si...

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Abstract

The invention discloses an adjustable rotatable trapezoid similar model test apparatus, which includes a model support comprising a front baffle plate, a back baffle plate, a left side column , a right side column, a top plate and a base plate. The lower ends of the left side column and the right side column are equipped with a rotating shaft, the angle between the left side column and the base plate and the angle between the right side column and the base plate are both 90 to 120 degrees. Both the left side column and the right side column are hinged to the base plate through the rotating shaft. A simulation zone is between the front baffle plate and the back baffle plate. Both the front baffle plate and the back baffle plate are perpendicular to the base plate. A rotation bearer is arranged on the model support bottom near the left side column. A coal seam is simulated by a crawler belt which is detachable and is supported by pillars. Exploitation process is simulated by lowering small pillars hop-by-hop. Supplementary parts used in model support fixing, rotating and migrating are also included. The apparatus is suitable for exploitation simulation research on horizontal, inclined and steeply inclined coal seam in a lab, without need to arrange a pit cooperating with the rotation of the model on a lab ground or enlarging the space above the lab.

Description

technical field [0001] The invention relates to a similar model test device, in particular to an adjustable and rotatable trapezoidal similar model test device. Background technique [0002] The mining of underground resources will lead to different degrees of subsidence on the surface. Due to the complexity of the mining geological conditions, it is difficult to carry out relevant scientific research on the spot. Now most of them use similar model tests to simulate the actual situation of mining areas, and through similar model tests Study the regional geological background and master the basic laws of mining in order to guide the actual mining operations in the mining area. [0003] The similar model test device in the prior art has a rectangular parallelepiped structure, and its rotating fulcrum is fixedly arranged at the bottom midpoint of the similar model test device. When rotating the similar model test device, it is necessary to set a pit on the ground to meet its r...

Claims

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Application Information

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IPC IPC(8): G01N33/24
Inventor 戴华阳阎跃观郭俊廷廖孟光孙佩军徐伟燕
Owner CHINA UNIV OF MINING & TECH (BEIJING)
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