Trailer turns to and turns to in electric flat carriage turn system of an organic whole with proper motion flatcar

The utility model relates to a trolley -bus electric flat carriage, in particular to trailer turns to and turns to in electric flat carriage turn system of an organic whole with proper motion flatcar, its structure includes the flatcar frame, the place ahead installation steering spindle of flatcar frame bottom, the front portion of steering spindle is through conversion pin junction drawbar, a rear portion cruciate fixation steering linkage and the 2nd steering linkage of steering spindle, a steering linkage other end is fixed in the drive shaft, the 2nd steering linkage other end passes through the knuckle and fixes the other end in the drive shaft, steering cylinder is connected to the knuckle other end. The utility model discloses a collect the trailer and turn to and turn to function in the electric flat carriage turn system of an organic whole with flatcar by oneself, can satisfy drag go with two kinds of condition by oneself, can satisfy the vehicle and use in the occasion that various operating modes required, it needs the repeated expense of purchasing equipment because of the function singleness to have saved.