The working principle of semi-trailer is mainly to connect with the semi-trailer head through the traction pin, and use the power of the tractor to drive the semi-trailer. The axle of the semi-trailer is placed behind the center of gravity of the vehicle, and is equipped with a coupling device that can transmit horizontal and vertical forces to the tractor, which enables it to be connected to the semi-trailer head through the traction pin to form a heavy-duty transportation vehicle.
Semi-trailers are usually used to transport heavy goods. Their design allows the weight of the goods to be evenly distributed on the axles, thereby improving the stability and safety of driving. There are various types of semi-trailers, including 11-meter warehouse semi-trailers, 13-meter warehouse semi-trailers, low-bed semi-trailers, etc. These different types of semi-trailers are suitable for different transportation needs.
In addition, the semi-trailer flatbed transporter is a type of semi-trailer, which is often used for the transportation of construction machinery. Its design allows mechanical equipment to be moved from the rear wheel frame or loaded by removing the wheels, and then the mechanical equipment is fixed on the semi-trailer. This design makes the loading and fixing of construction machinery more convenient.
