DEVICE FOR UNLOADING LUMP MATERIAL FROM HOPPER Russian patent published in 2017 - IPC B65G65/40 

FIELD: transportation.

SUBSTANCE: device for unloading lump material from a hopper contains a gutter located at an angle of 60° to the horizontal and installed in guides with the ability to move. The gutter has a flat sectional shape with beads and a stepped surface, and is located in the grooves of the end side and the side walls of the hopper, the latter of which are the gutter guides and is installed with its external plane on an additionally introduced stationary roller conveyor. The gutter beads cover the side hopper walls, an injector fixed on the outside of the end hopper wall with the possibility of turning and fixing and made in the form of a box, of the trapezoidal section, with a slide valve located on the side of the smaller base and elastic V-shaped nozzles. The elastic nozzles are installed in the grooves of the end hopper wall. The gutter on the outside has transverse grooves of the sinusoidal profile, the pitch of which is made corresponding to the pitch of the conveyor rollers.

EFFECT: increasing the efficiency of unloading lump material from a hopper.

5 dwg