What is the role of the fifth wheel in trailer accessories?

What is the role of the fifth wheel in trailer accessories?

We all know that the fifth wheel is very important in trailer accessories, so in order to make our use more convenient, today we will learn about the function of the lower fifth wheel together? What are the maintenance points?

The drawbar can not only bear part of the vertical mass of the semi-trailer, but also play the role of towing the semi-trailer, and it is also the steering mechanism of the semi-trailer. The traction seat is mainly composed of seat plate, separation connection mechanism and support. The traction seat can be divided into fixed type, lifting type and mobile type according to whether its support can move.

Fixed traction seat Fixed traction seat is widely used at present. Its support is fixed on the frame of traction vehicle, and the traction seat is allowed to have specified degrees of freedom on the support. Then, according to the different degrees of freedom allowed, there are single degrees of freedom, two degrees of freedom and three degrees of freedom, and according to their separation - different connecting mechanisms, there are also two types: clamp type and hook pin type. After the tractor is connected with the semi-trailer, first pull the safety baffle to one side, and then pull the handle to move the locking block forward to leave the L-shaped notch of the splint. The spring is compressed, and the front ends of the splint are pulled together by the fixed spring and against the locking block.

These are the functions of the fifth wheel in the trailer accessories. If you have any other questions, please contact us!