What is the maintenance of trailer accessory drawbar?

What is the maintenance of trailer accessory drawbar?

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. According to the different separation connection 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.

What is the maintenance of trailer accessory drawbar?

1. During the first level maintenance, check all parts of the traction seat, check the wear of traction pin, traction pin plate, semi horizontal shaft and other parts, and lubricate all parts.

2. Check the lock hole, and use the traction pin for fit detection. If the wear exceeds the limit, resulting in large fit clearance, it can be repaired by surfacing and machining to the required size, or replace the lock hook, lock block and wear ring for repair.

3. Pay attention to check whether there are cracks and severe wear on the traction seat itself. If there are cracks or severe wear that causes the traction seat to be deformed or too thin, replace it with a new one.

4. Check and tighten the bearing seat bolts, and replace the bolts if necessary;

5. Adjust the fit clearance between the locking hook and the traction pin by adjusting the screw, and then lock it with the nut. If the fit is loose, replace the rubber elastic shaft sleeve. Then drive the tractor forward to complete the decoupling of the semi-trailer. Before decoupling, put down the supporting device of the semi-trailer.

The above is what the maintenance of trailer accessories is. If you have any other questions, please contact us!