Coal seam gas sampling and collecting device for coal mine

Abstract

The invention discloses a coal seam gas sampling and collecting device for a coal mine. The device comprises a vehicle body, an oil transmission device, a control cabinet and a collecting box are fixed on the vehicle body successively from left to right, an auxiliary support device is arranged in the upper end of the vehicle body, a supporting block is fixed in one side of the control cabinet, a second oil cylinder is rotationally connected to the upper end of the supporting block, an H-shaped plate is detachably connected to one side of the vehicle body, a connecting block is rotationally connected to one end of the supporting block, one end of the connecting block is detachably connected to one side of the H-shaped plate, a U-shaped block slidingly sleeves one side of the H-shaped plate,and the H-shaped plate is provided with a third opening. Thus, the problems that the sampling angle and height are inconvenient to adjust and a sampling device is low in stability are solved, the sampling efficiency is improved, the labor intensity is reduced, convenience is provided for movement, and the condition that the sample is collected incompletely due to incapability of adjusting the sampling device is avoided.

Description

technical field [0001] The invention relates to the technical field of coal mines, in particular to a coal seam gas sampling and collecting device for coal mines. Background technique [0002] Coal mines are areas where human beings exploit coal resources in coal-rich mining areas, and are generally divided into underground coal mines and open-pit coal mines. When the coal seam is far away from the surface, it is generally selected to excavate the coal by digging the roadway underground, which is an underground coal mine. When the distance between the coal seam and the surface is very short, it is generally chosen to directly strip the surface soil layer to excavate coal, which is an open-pit coal mine. [0003] At present, when the coal seam is mined, if the coal body is damaged or affected by mining, part of the gas stored in the coal body will leave the coal body and flow into the mining space, which is likely to cause danger, which requires sampling and collection of co...

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Problems solved by technology

[0003] At present, when the coal seam is mined, if the coal body is damaged or affected by mining, part of the gas stored in the coal body will leave the coal body and flow into the mining space, which is likely to cause danger, which requires sampling and collection of coal seam gas. However, The existing sampling collection device is inconvenient to move and has poor stability. It is inconvenient to adjust the height and angle when collecting samples from coal seams at different angles, and it is impossible to classify and store samples. Therefore, we propose a coal mine Solve the above-mentioned problems with the coal seam gas sampling and collecting device

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