PUMP STATION OF SELF-PROPELLED POWERED SUPPORT Russian patent published in 1999 - IPC

FIELD: mining mineral resources, hydraulic drive of self-propelled powered support equipped with hydraulic controls. SUBSTANCE: pump station of powered support includes motor, pump connected to hydraulic tank via intake line. Intake line is manufactured in the form of telescopic collector composed of sections of oil conduit mounted for axial translation of one section relative to another section. One section of collector has intake union communicating with inlet of pump by means of cock installed in end face bore in one end of intake line for turn with reference to horizontal axis. Another section is connected to hydraulic tank with the aid of shutting fixtures made in the form of conical valves with large flow area. Conical valve is mounted in end face bore of shank of intake line, another valve is placed in coupler of hydraulic tank. Holes arranged diametrically in coupler provide for communication of hydraulic tank with intake line when shank is installed in coupler of hydraulic tank. EFFECT: expanded application field. 3 dwg