TUNNELING COMPLEX Russian patent published in 2002 - IPC

FIELD: mining industry, means of mechanization of driving and supporting of mine workings. SUBSTANCE: tunneling complex includes tunneling machine on tracks; anchoring-protecting device with anchoring cylinders and several holders for lagging, extreme of which are installed on canopy and middle one, in central part of roofing having anchoring beam with slots and connected with canopy; means of drilling, anchoring and supply of capping with roll lagging to place erection of permanent support. Rear part of tunneling complex has anchoring portal support including beam located above guide struts; hydraulic cylinders of beam anchoring with supporting skids installed on sides of tunneling machine and interconnected from below by rams and hinges with caterpillar truck, Anchoring hydraulic cylinders at top freely contact guide struts to provide for self-centering of portal support relative to tunneling machine axis. EFFECT: extended field of application and increased force for moving and anchoring of equipment. 4 dwg