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What's the difference between a tractor and a trailer? Jan 03, 2018

What's the difference between a tractor and a trailer?


In front of the front is capable of driving a tractor, behind no traction drive capability of the car called trailer, trailer towing vehicle is dragged away. There are two kinds of connection mode of the tractor and the trailer: the first one is the front half of a trailer traction saddle in the tractor rear section on the top of the tractor behind the bridge bear a part of the weight of the trailer, semi-trailer is; second is the front end of the tractor trailer even the rear only provide forward pull of the tractor, towing trailers, trailer but does not bear the weight down, this is the whole hanging.


The principle of tractor


Traction control system TractionControlSystem, referred to as TCS, also known as ASR or TRC., it is the role of the car can obtain optimal traction under various driving conditions. The control device of the traction control system is a computer, speed and direction of the 4 wheels by the computer to detect the steering wheel angle, when the car accelerates and if it detects the driving wheel and the driven rotary non speed difference is too large, the computer immediately determine the driving force is too large, signals reduce the oil supply quantity of the engine, reducing the driving force, thereby reducing the driving wheel slip ratio. The computer through the steering wheel angle sensor master driver steering intention, then use the left and right wheel speed sensor detection of left and right wheel speed difference; in order to determine whether the degree of vehicle steering and driver intention. If the detected vehicle understeer (or oversteer), the computer immediately determine the drive The driving force of the moving wheel is too big and sends out instructions to reduce the driving force so as to realize the driver's turning intention.


Traction control system can prevent the vehicle running in the snow and slippery pavement on the drive wheels when idling, the vehicle can be smoothly started, accelerated. Especially in the snow or muddy road, the traction control system can ensure the smooth acceleration performance, prevent vehicles from driving wheel slippage and shifting or drift.


What is the difference between a tractor and a trailer


A semi-trailer is a commercial vehicle equipped with a special device for traction semitrailer.


The front driver is called the tractor, the rear no traction drive car is called the trailer, the trailer is dragged by the tractor.


There are two kinds of connection mode of the tractor and the trailer: the first one is the front half of a trailer traction saddle in the tractor rear section on the top of the back of the car bridge under traction Trailer part weight, which is half hanging; second is the front end of the tractor trailer even the rear of the towing vehicle only provide forward force, dragging the trailer go, but does not bear the weight down trailer, this is the whole hanging.