Traction protection device for metro vehicle

The utility model discloses a metro vehicle traction protection device, and particularly relates to the technical field of metro maintenance, the metro vehicle traction protection device comprises a traction vehicle body, a supporting block is fixed on the top of the traction vehicle body, two shock absorbers are symmetrically arranged on one side of the supporting block, and a buffer plate is fixed at one end, away from the supporting block, of each shock absorber; an air bag is arranged between the supporting block and the buffer plate, a groove is formed in the top of the tractor body, an adjusting device is arranged in the groove and comprises a fixed block fixed in the groove, and a rotatable shifting rod is arranged on one side of the fixed block; through the cooperation of the tractor body, the adjusting device, the transmission mechanism and other structures, the movable rod drives the pull ring to move into the groove of the tractor body, and therefore the problem that when the inertia of a towed veh