A single hydraulic prop is a device that is used very frequently. For such a device, it is inevitable that some minor problems occur during use, so it is very important to do hydraulic acrow props basic maintenance work. Let's get to know it together!
The single hydraulic prop is suitable for the sloping coal mining face where the inclination of the coal seam is less than 25 degrees-35 degrees. The conditions of the roof and floor of the coal seam are adapted to: the backward roof does not affect the recovery of the hydraulic prop, the floor should not be too soft, and the depth of the hydraulic prop pressed into the floor does not deteriorate. The integrity of the bottom plate, otherwise the base should be enlarged.
When used in a coal mining face with relatively soft coal, take protective measures to the surface of the active hydraulic prop body to prevent collapse. When the pillar is matched with the wooden top beam or used as a point column, the top cover should be replaced with a column cap to avoid damage to the wooden beam.
Partial scratches and deformations of hydraulic acrow props are common problems of single hydraulic props, especially problems such as deformation and leakage of piston mouths, and corrosion of underground single hydraulic propp. Due to the difficulty of equipment disassembly, traditional methods are often difficult to solve on-site after the above problems occur. The replacement of new spare parts is mainly, but the replacement cycle is long and the cost is high.
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