Clamping type brake device for lorry

The invention relates to a clamping type brake device for a lorry. The clamping type brake device comprises a brake bottom plate, a brake shoe and a brake wheel. One end of the brake shoe is hinged to the brake bottom plate, the outer peripheral face of the brake wheel is matched with the inner peripheral face of the brake shoe, the other end of the brake shoe is matched with a linkage mechanism, the linkage mechanism comprises a drive shaft, a left drive arm and a right drive arm, the left drive arm and the right drive arm are symmetrically arranged at the two ends of the drive shaft, bosses and cooling fins are arranged on the end face of the outer side of the brake wheel, and the brake wheel is connected with a hub through bolts. The clamping type brake device is reliable in brake performance, good in cooling effect and high in adaptability.