HEADING BLAST DIGGER Russian patent published in 2014 - IPC E21D9/10 E21D9/12 

FIELD: mining.

SUBSTANCE: invention relates to heading blast digger with safety lining. It comprises intake wedge part with loading module, bin for blast loading, unloading scraper part, self-propulsor, pump station, control board, hydraulic manipulator with drill rig at gantry car displacing over stage loader support. Note here that tail part of blast loading bin accommodates lining placer consisting of two props equipped with mount fork shaped in a definite way. Note here that said shape allows accommodation of fasteners composed of top and bottom sheets of metallic gauze reinforcements and top and bottom sheets of metallic strip grabs shifted relative to each other. Note also that said forks are connected by crosswise bar and arranged to be displaced relative to said props up and down by hydraulic cylinders. Said forks are lifted and lowered by control board.

EFFECT: mechanised walling system.

5 dwg