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Function loading device suitable for analog simulation experiment of mine laneway

A technology of similar simulation and function loading, applied in the field of physical and mechanical testing of rock mass engineering

Inactive Publication Date: 2015-11-11
ANHUI UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Regardless of the loading method, the common defect is that only uniform load or concentrated load can be applied, and in some cases only gradient load can be applied

Method used

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  • Function loading device suitable for analog simulation experiment of mine laneway
  • Function loading device suitable for analog simulation experiment of mine laneway
  • Function loading device suitable for analog simulation experiment of mine laneway

Examples

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Embodiment Construction

[0019] refer to figure 2 , image 3 and Figure 4 As shown, the present invention proposes a function loading device suitable for similar simulation tests of mine roadways, including a frame 1, at least one oil cylinder 2, a reaction force frame 3 and a plurality of pressing mechanisms 4;

[0020] The oil cylinder 2 is installed on the frame 1, and the oil cylinder 2 is driven to connect the reaction force frame 3; the pressing mechanism 4 includes a moving rod 41, an anti-deflection sleeve 42 and a pressing plate 43, and the upper part of the moving rod 41 is movably installed in the reaction force frame 3 to prevent The partial sleeve 42 is installed on the top of the pressing plate 43, and the anti-deflecting sleeve 42 is sleeved on the periphery of the lower part of the moving rod 41. The moving rod 41 is evenly distributed along the horizontal direction, and the two adjacent pressing plates 43 are flexibly connected; Elastic piece 411.

[0021] In this embodiment, a s...

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PUM

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Abstract

The invention provides a function loading device suitable for an analog simulation experiment of a mine laneway. The function loading device comprises a rack, at least one oil cylinder, a counter-force frame and a plurality of downwards-pressing mechanisms. The oil cylinders are arranged on the rack and connected with the counter-force frame in a drive mode. The downwards-pressing mechanisms comprise moving rods, deviation prevention sleeves and pressing plates. The upper portions of the moving rods are movably arranged in the counter-force frame. The deviation prevention sleeves are arranged above the pressing plates and connected to the peripheries of the lower portions of the moving rods in a sleeving mode. The moving rods are evenly distributed in the horizontal direction. The every two adjacent pressing plates are movably connected. By means of the function loading device, the evolutionary process and the change law of the problems of the deformation and destroy of surrounding rock of the deep mine laneway under the actual mine ground pressure action can be simulated and tested more truly.

Description

technical field [0001] The invention belongs to the field of physical and mechanical tests of rock mass engineering, and in particular relates to a function loading device suitable for similar simulation tests of mine roadways. Background technique [0002] With the continuous deepening of coal seam mining depth in my country, mine roadways are more and more affected by geological structure, hydrology, gas geology, etc., and the damage degree of mine pressure and mining stress to roadway surrounding rocks is also increasing, which seriously affects the mining enterprises. The continuous improvement of safety production and economic benefits. Due to the inherent properties of the mine rock mass itself, the stress and deformation caused by various mining activities cannot be accurately measured, and the underground mining activities are not repeatable. Therefore, similar material simulation tests have become an important part of production and related research in the field of d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/02
Inventor 刘钦节杨科华心祝李迎富李志华陈登红
Owner ANHUI UNIV OF SCI & TECH
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