DEVICE FOR REMOTE INSTALLATION OF V-SHAPED SUPPORT Russian patent published in 1994 - IPC

FIELD: support of stopes. SUBSTANCE: device for remote installation of V-shaped support has U-shaped frames interconnected with traction member in form of chain. U-shaped frames are comprised of side members with stops and cross members and additional frames with recesses are installed between stops and cross members. Mounted on side members of U-shaped frames are Y-shaped guides of flexible and rigid levers secured with their one ends. Rigid lever is located between flexible lever and cross-piece. Installed in recesses of additional frames are bases of V-shaped support members, and wedging members are installed in guides. Additional frame has guide with slot. Arranged in guide is chain return strand. Locking lever is installed above slot for locking frame on return strand of traction member. Hinged to additional frame is bell-crank with spring-loaded stop and lever-flap for interaction with chain return strand on lower end, as well as stop movably connected with other end of bell-crank and locking lever. U-shaped frame has wedge stop on cross-member for disengaging locking frame from chain links. EFFECT: higher efficiency. 2 dwg