Integrative device of feedleg rig

The utility model belongs to the technical field of the coal mining technique and specifically relates to integrative device of feedleg rig. The device include rig main part, feedleg main part, rig main part bottom is provided with relative placement's splint, corresponds the position on the splint and has seted up outer hole, relative placement's connecting plate is installed at feedleg main part top, and the connecting plate is placed in splint, the outer hole's that sets up on the hole that sets up on the connecting plate and the splint the central axis unanimity, the bolted connection in through outer hole including wearing to establish is fixed for rig main part and feedleg main part, the upper portion of feedleg main part is provided with admit air interface and return -air interface, install the arc device bottom the feedleg main part, the gasket has been installed to arc device bottom surface. The utility model discloses simple structure, convenient operation has realized mechanization, automation tha