Steering mechanism for single-crawler walking mechanism

The invention discloses a steering mechanism for a single-crawler walking mechanism. The steering mechanism comprises a swing arm rotating shaft, a pedal rotating shaft, a swing arm, a guide plate, apedal and a reset torsion spring, the swing arm rotating shaft and the pedal rotating shaft are fixed on a rack, one end of the swing arm is connected with the swing arm rotating shaft, the other endof the swing arm is connected with one end of the guide plate, the other end of the guide plate is connected with one end of the pedal, the other end of the pedal is connected with the pedal rotatingshaft, the reset torsion spring can enable the guide plate and the pedal to reset, and a guide rib forming a certain angle with the advancing direction is arranged at the bottom of the guide plate andused for providing lateral force for assisting steering when making contact with the ground; during steering, a driver needs to step on the pedal on one side to be steered, the pedal pushes the guideplate to move downwards, the