DUMP-TRUCK LOADING SYSTEM Russian patent published in 2006 - IPC E21C47/00 B65G67/06 

FIELD: rock loading systems, particularly to load rock in dump-trucks with the use of mine excavator.

SUBSTANCE: system comprises hopper with outlet orifice and outlet orifice closing means. The system also has at least two modules arranged at mine face so that the modules may be moved and filled with rock by mine excavator. Each hopper has volume corresponding to load capacity of dump-trucks to be used. Outlet orifice closing means is made as pinned gate. Pedal is pivotally installed on frame slide at acute angle to slide base and may be rotated towards dump-truck driving direction. The pedal may rotate in vertical plane and is installed so that rear dump-truck wheels may be moved over the pedal. Pedal and free end of the gate are pivotally connected one to another through two control-rods and form articulated parallelogram. Hinge, which connects gate with control-rods, is fastened to counterweights by two flexible members and angle pulley so that counterweights may be displaced in vertical plane along frame posts. The hopper is provided with damping means brought into cooperation with the gate.

EFFECT: provision of continuous loading and undisturbed mine excavator operation.

3 dwg