The single hydraulic prop is a new environmentally-friendly support equipment, which can be used with the metal hinged top beam for high-grade general mining and guns with working face support roof and fully mechanized mining face support end, or can be done separately. The single hydraulic prop is an important support equipment.
Dot column or other temporary support. The single hydraulic prop is suitable for the inclined coal seam mining face with the coal seam inclination angle less than 25 degrees - 35 degrees. The condition of the coal seam top and bottom plate is: the roof is not affected by the recovery of the pillar, the bottom plate should not be too soft, and the pillar is not pressed into the bottom plate. Deteriorate the integrity of the base plate, otherwise the base should be enlarged. When used in a soft coal mining face, protective measures should be taken on the surface of the live cylinder to prevent collapse. When the pillar is used 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. The single hydraulic props are mainly divided into suspension type, double telescopic suspension type, DN internal injection type and FRP single hydraulic prop.
