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

FIELD: mining; chemistry; coal industry; construction.

SUBSTANCE: invention relates to the mining, chemical, coal, construction areas of the national economy. The device for unloading lump material from the hopper contains a working body, a nozzle. The body is located at an angle of 60° to the horizontal, made in the form of a plate and fixed to the end and vertical walls from the inner side of the hopper. Nozzle is made in the form of a trapezoidal box with a spool located on the side of the smaller base and elastic V-shaped nozzles. The attachments are made with longitudinal grooves. The box is installed with elastic nozzles in the grooves of the end wall of the bunker and is fixed on the outer end wall of the bunker with the possibility of turning and fixing. The body is additionally equipped with a displacement drive with flexible diaphragms. The diaphragms are located on the surfaces of the vertical walls of the bunker outlet, fixed along the perimeter on frames flush with the vertical walls of the bunker. The vertical walls are made in the form of rectangular folded shells with the ability to move them to the middle of the hopper outlet. The diaphragms are provided with an opening in the front wall of the hopper, rigidly connected to the plate. The drive for moving the flexible diaphragms is made in the form of an air compressor.

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

1 cl, 3 dwg