Concept and composition of semi-trailer train with middle axle

The middle axle trailer train is a vehicle transport vehicle modified by a second class chassis in the front. The structural characteristics of the rear trailer are as follows: all the bearing positions are located in the middle part of the vehicle axle (namely, the center position of the vehicle axle), and a certain vertical load is allowed in the traction center position, but its load value is required to be less than 10000N. Compared with the traditional semi-trailer train, the main characteristics and advantages of using the middle axle train for passenger vehicle transport are as follows