DRAG SCRAPER MACHINE Russian patent published in 2012 - IPC E02F3/54 E02F3/60 E21F13/08 

FIELD: construction.

SUBSTANCE: machine comprises a scraper of box type (1), a scraper hoist (2), head (3) and tail (4) traction ropes, diverting blocks (5) for traction ropes, a loading ramp (6). The scraper comprises side walls (7) and a rear wall (8), in its lower part inclined at the angle to the horizon. On the rear inclined wall of the scraper at the angle (10) of fixation of a tail traction rope to the scraper on brackets (11, 12) fixed on the walls a shaft (14) of cylindrical shape is installed with the possibility of rotation on the horizontal axis (13), and its lower edge is arranged with displacement downwards relatively to the lower edge of the rear wall of the scraper and is distanced from it along the horizontal line towards the tail traction rope. Brackets on the rear wall are fixed with the help of a board (15) with the possibility of its displacement in the vertical plane along the wall and fixation on it with the help of fastening elements (16). The shaft axis is installed in horizontally aligned slots (17) of brackets with the possibility of their displacement and fixation.

EFFECT: decreased energy intensity and wear of a device.

3 dwg