Container semi-trailer is a special transport semi-trailer for carrying containers. In the early stage of container transportation, due to the small load capacity of containers, the number was not large, and ordinary trucks were often used for transportation. Since the 1960s, with the rapid development of container transportation, many countries have successively developed special vehicles for transporting containers. The size of the loading position of the container semi-trailer is determined according to the standard container size, and a twist lock device for fixing the container is provided at the position relative to the four corners of the bottom of the container. Special transport semi-trailer for carrying containers. Twist lock devices for fixing the container are provided at the four corners of the loading position. Generally, semi-trailer, full-trailer and double-trailer are selected, with semi-trailer being the majority.
The characteristics of container semi-trailer should have the following conditions:
- It can be quickly loaded and unloaded, and can be directly and conveniently transferred from one means of transportation to another.
- It can be directly transferred without moving the goods in the box during mid-transfer.
- It is conducive to the filling and unloading of goods.
- It can be reused for a long time and has sufficient strength.