Bag type filling supporting frame applied to coal mining face

The utility model discloses a bag type filling supporting frame applied to a coal mining face. The bag type filling supporting frame effectively solves the problem that an existing n-shaped beam is too high, so that steel mesh laying and filling bag hanging are inconvenient. According to the technical scheme for solving the problems, the device comprises two bottom plates, the two bottom plates are opposite in the front-back direction, the left sides and the right sides of the upper ends of the bottom plates are fixedly connected with hinge bases respectively, and supporting rods are hinged to the outer walls of the hinge bases; through the arrangement of the hinge seat, the supporting rod, the lower half gear, the connecting rod, the upper half gear, the connecting plate and the hinge seat, the purpose of driving the top plate to ascend and descend can be achieved by swinging the supporting rod and utilizing meshing of the lower half gear and the upper half gear and limiting of the connecting plate; the top