MINING HEAVYER ROLL CORRECTION DEVICE Russian patent published in 2022 - IPC E21C27/24 

FIELD: mining.

SUBSTANCE: invention relates to mining, namely to a heading-and-shearer with a planetary disk executive body. The device contains two independent drives of the berm body - left and right, two independent scraper devices - left and right, each of which includes a scraper located in front of the corresponding track chain of the running gear - left or right, with the possibility of linear vertical movement in a sliding guide, fixed vertically on the rear wall of the corresponding housing of the gearboxes of the drive of the berm body - left or right, and a vertically located hydraulic cylinder, the body and the free end of the rod of which are pivotally fixed in the lugs welded, respectively, to the scraper and the bracket rigidly fixed to the upper wall of the corresponding housing of the gearboxes of the berm body drive - left or right. Each hydraulic cylinder is made double-sided with one-sided rod and is equipped with a double-acting hydraulic lock.

EFFECT: design simplicity, manufacturability and high reliability are provided.

2 cl, 4 dwg