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Back-pillar winch is mainly used for back-pillar roof caving in coal mine. It is especially suitable for thin coal seam and steeply inclined coal seam mining face. It can also be used for hauling
heavy objects and dispatching vehicles.Winches are equipped with flameproof electrical equipment, which can be used in mines with coal dust and gas.

???????????-10°C-+40°C,???????95%(+25°c),????????????????
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Pillar winch can be used for ambient temperature - 10 C -+40 C, relative humidity not exceeding 95% (+25 c), methane, coal seam and hydrogen sulfide in ambient air.Carbon dioxide and
other coal mines which do not exceed the safety content stipulated in the "Coal Mine Safety Regulations". The working system is low-speed, heavy-duty and discontinuous.

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