The present invention relates to a crawler running roof-bolting jumbo for coal extraction in the pit. It mainly includes machine seat, working table, running mechanism, lifting mechanism, hydraulic mechanism, dust-removing mechanism, cable-rolling mechanism, drilling cramp component, slideway component, support component and electric control box, said whole machine adopts hydraulic transmission, automatic dust-removing, automatic cable-rolling and crawler running modes, and utilizes the hydraulic oil cylinder to control parallelogram lifting movement and can make moving, lifting and multi-arm roof-bolt drilling works in the excavating tunnel. Said invention is reasonable in structure, large in load-bearing capacity, reliable and high in working efficiency.