DEVICE FOR UNLOADING LUMP MATERIAL FROM A HOPPER Russian patent published in 2022 - IPC B65G65/40 

FIELD: machine building.

SUBSTANCE: invention relates to various fields of national economy. Device for unloading lumpy material from hopper comprises working element, nozzle and drive. Organ is located at angle of 60° to the horizontal, is made in the form of a plate and is fixed to the end and vertical walls on the inner side of the hopper. Nozzle is made in the form of a trapezoidal cross-section box with a slide valve and elastic V-shaped nozzles located on the side of the smaller base. Nozzles are made with longitudinal slots. Box is installed with nozzles in the slots of the end wall of the hopper and is fixed on the outer end wall of the hopper with possibility of rotation and fixation. Body is additionally equipped with a displacement drive with flexible diaphragms. Diaphragms are made in the form of a row of semi-cylinders contacting along the generatrixes and located along the outlet hole with possibility of their movement to the middle of the hopper outlet hole. Diaphragms are installed on surfaces of vertical walls of the outlet of the hopper and are fixed along the perimeter on frames flush with vertical walls of the hopper. Diaphragms are provided with an opening in the front wall of the hopper, which is rigidly connected to the plate. Diaphragm drive is made in the form of an air compressor.

EFFECT: higher efficiency of lump material unloading from the hopper.

1 cl, 4 dwg