DEVICE FOR DELIVERY OF SPRINKLING FLUID TO DRILL BIT OF WORKING MEMBER OF CONTINUOUS MINER Russian patent published in 1996 - IPC

FIELD: mining industry. SUBSTANCE: device for delivery of sprinkling fluid to drill bit of working member of continuous miner has hydraulic coupling, union, tube, sealing members, transducer for control of effluent of sprinkling fluid and oiler. Hydraulic coupling is fastened to fixed part of working member. Inner space of hydraulic coupling is communicated with union. Tube is connected with hollow drive shaft and located coaxially in the inner space of hydraulic coupling. Oiler is made in form of branch pipe which is secured with its one end to hydraulic coupling. Sealing members are located between hydraulic coupling and tube. Inner space of branch pipe is communicated with inner space of hydraulic coupling through draining channel in hydraulic coupling. Outlet of draining channel is located between sealing members. Transducer for control of effluent of sprinkling fluid is located on free end of branch pipe. EFFECT: higher efficiency. 1 dwg