SPRAYING DEVICE OF LOADING-UNLOADING POINTS OF MINING WORKS Russian patent published in 1996 - IPC

FIELD: mining industry. SUBSTANCE: spraying device of loading-unloading points of mining works has pipe-line to feed liquid communicating with sprinkler and sensitive element in the form of bell-crank hinged in vertical position to suspended mobile support coupled to sprinkler. Upper arm of bell-crank is manufactured in the form of two-prong fork in which opening shut-off valve in the form of convex heteroarm plate mounted on horizontal axle perpendicular to outlet hole of sprinkler for angular movement is located. The other arm of bell-crank is mounted for contact with loose material. EFFECT: enhanced operational efficiency of device for loading, unloading and transportation of loose materials in underground working and in surface complexes. 2 cl, 4 dwg