MECHANIZED SUPPORTS TAIL SECTION CEILING Russian patent published in 1996 - IPC

FIELD: mining, development of stratums with unstable roof by mechanized complexes and aggregates. SUBSTANCE: mechanized supports tail section ceiling has main ceiling and three additional supporting members hinged to each other and to main ceiling and also jacks to turn around hinges. Additional supporting members are made in the form of extreme, central and side platforms provided with guiding rolls on butt areas and supporting rolls - to roof side. Cylindrical pneumatic motor is located on platforms. It is fixed by endless band, that passes through cavity of pneumatic motor and along its contact surface with supporting rolls and passed through guiding rolls of side and central platforms. Side platform tail end is connected till even turn with main ceiling and by additional jack of turning- with central platform at its boundary with extreme platform. Extreme platform tail end is connected by jack of turning with central platform at its boundaries with side platform. EFFECT: simplified design. 4 dwg