Anti-rolling apparatus of mine down-hole large inclination angle working face
An anti-rolling pole device of the mine downhole large inclination working face, belongs to the mine downhole anti-rolling pole device, which is composed of a stop lever plate hinge, a stop lever plate shaft, a hydraulic jack, a frame roof, a jack upper hinge, a jack lower hinge, a stop lever plate,...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | An anti-rolling pole device of the mine downhole large inclination working face, belongs to the mine downhole anti-rolling pole device, which is composed of a stop lever plate hinge, a stop lever plate shaft, a hydraulic jack, a frame roof, a jack upper hinge, a jack lower hinge, a stop lever plate, a stop lever plate stiffener, a flex stop lever plate, wherein the stop lever plate hinge and the jack upper hinge are connected on the frame roof, the jack lower hinge is connected on the stop lever plate hinged with the frame roof through the stop lever plate hinge. The hydraulic jack is connected between the stop lever plate and the frame roof through the jack upper hinge and the jack lower hinge. The device has the following advantages: marked stop lever effect, increased safety factor of the working face production; safe and convenient operation; advanced production efficiency; simple maintenance, low cost; improved sanitary environment of the working face, ensured safe production. |
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