The utility model relates to a heading machine track frame for a coal mine, which comprises a frame body, and a tensioning wheel mounting bracket and a speed reducer mounting plate are respectively arranged at two ends of the frame body in the length direction; a first transverse rib plate, an oil cylinder rear plate, a second transverse rib plate and an end plate which are parallel to the width direction of the frame body are sequentially arranged at the end, away from the tensioning wheel mounting bracket, in the frame body, the tensioning wheel mounting supporting plate is arranged on the outer wall of the first transverse rib plate, and the speed reducer mounting plate is arranged on the outer side of the end plate. An oil cylinder baffle parallel to the length direction of the frame body is arranged between the oil cylinder rear plate and the first transverse rib plate, an oil cylinder rear pad is fixed to the side, facing the first transverse rib plate, of the oil cylinder rear plate, and an installation hole corresponding to the oil cylinder rear pad in position is formed in the first transverse rib plate. The utility model has the advantages that the oil cylinder is convenient to position and install, and the damage of the oil cylinder due to impact load is reduced.