What Is the Importance of the Use of Fifth Wheel?

The tractor fifth wheel According to the number of swing axes, the traction seat can be divided into two types: single-axis traction seat and dual-axis traction seat; according to the matching traction pin specifications, it can be divided into two types: No. 50 traction seat and No. 90 traction seat.

• What is the importance of the use of fifth wheel?

• What is the definition of fifth wheel?

• When does the fifth wheel need to be replaced?

What is the importance of the use of fifth wheel?

The fifth wheel is the connecting device between the semi-trailer tractor and the semi-trailer, that is, the semi-trailer tractor seat, it is covered by the semi-trailer during use, so it is not a conspicuous part, but it is a very critical important parts. As an important assembly component connecting the tractor and the semi-trailer on the semi-trailer, the fifth wheel not only plays the role of towing the semi-trailer and bearing the load of the semi-trailer, but also should be able to withstand the starting, acceleration, deceleration, steering, braking of the tractor. and other motion conditions and the impact when the semi-trailer is hooked up. Therefore, the strength and reliability of the traction seat will directly affect the driving safety of the semi-trailer. In Europe, fifth wheel is defined as a safety connector, which means that the product quality and operation of fifth wheel are also related to life safety. Once an accident occurs, it will cause major traffic accidents or hidden dangers to life safety.

What is the definition of fifth wheel?

The best position for the fifth wheel is 20 cm in front of the drive shaft. A tractor is a general large truck or semi-trailer that is towed by a tool between the head and the carriage, that is, the head of the car can be separated from the original carriage and tow other carriages, and the carriage can also be pulled from the original head by other heads. The front of the car with driving ability is called the tractor and the car with no traction and driving ability in the back is called a trailer. The trailer is towed by the tractor.

When does the fifth wheel need to be replaced?

If the clearance of the fifth wheel is greatly adjusted, it is best to unhook and check it first. If the pin is too worn, it needs to be replaced, or there is a problem with the fixing screw. If it can be determined that there is no problem here, then adjust the fifth wheel.

Compared with the "monobody" vehicle, the semi-trailer using the fifth wheel can improve the comprehensive economic benefits of road transportation. The transportation efficiency can be increased by 30-50%, the cost can be reduced by 30-40%, and the fuel consumption can be reduced by 20-30%. More importantly, the use of semi-trailers can also promote the organization of logistics to a certain extent.

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