MECHANIZED PNEUMATIC SUPPORT Russian patent published in 2005 - IPC

FIELD: mining industry.

SUBSTANCE: support has to rows of pneumatic tanks, traction bars. Tanks are mounted between inner and outer pit-face and bursting beams. One beams are connected to even and other to odd tanks. Pit-face beams are connected by one transverse tractions, and bursting beams - by other transverse tractions. Inner bursting and outer pit-face beams are connected by additional pit-face connections. Bursting additional connections are by one ends are fixed to inner face beam. Support has holders with sliders and hydraulic jacks connected to beams. Face and bursting additional connections are made flexible. They are connected to inner face and bursting beams by blocks rigidly fixed to appropriate beam, through which flexible connections are let, and carriages fixedly mounted on same beam. Additional connections are fixed to carriages by one ends, while other ends of additional bursting connections are fixed on inner bursting beam. Carriages are mounted on each beam and interconnected by traction bars. Bars are placed above respective beams. Hydraulic jacks are mounted on sliders. Hydraulic jacks rods are connected to traction bars.

EFFECT: broader functional capabilities.

7 dwg