What is the difference between a tractor and a tractor?
Semi - trailer train is a train consisting of tow tractor and semi trailer. The rear axle trailer for single axis, also has the 2-3 axis, front bearing connecting device can be connected with a tractor after the saddle, a part of weight bearing by a tractor trailer, and the traction force to the semi trailer. In order to adapt to the different loading materials, semi trailers have tailgate boxes and platform two forms, a supporting device usually suspended in the front, picking and hanging can be put down with the trailer, stable stop. The semi-trailer train has large carrying capacity and good stability when driving. It is used more and more in the developed countries of automobile transportation, and develops towards heavy duty and specialization.
The most popular period of full trailers in China is in the 70-90 century. The full trailer usually adopts the inflatable solid tire, the surface of the board is low, the loading capacity is large, and there is no danger of broken tires and flat tire. It is safe, simple and durable. The full trailer itself without power, need a tractor or forklift truck for towing, usually by one or more platform cars and a truck or tractor is composed of a line of vehicles to transport goods plane or large equipment handling work. Full trailer has been widely used in airports, ports, railway stations, factories and large warehouses, the use of full trailer greatly improved the efficiency of freight transfer and translation, reducing the cost of forklift and manpower costs.
There are two ways of connecting tractors and trailers:The first is the front half of the trailer, which is attached to the traction saddle on the rear section of the tractor. The rear axle of the tractor bears part of the weight of the trailer;The second is that the front end of the trailer is attached to the rear end of the tractor, the tractor only provides the forward pulling force, and the trailer is towed, but it does not bear the downward weight of the trailer.
In front of the driving ability of the front is called a tractor, there is no traction behind the ability to drive vehicles called trailers, trailers are towed by tractor. Tractor is mainly used for traction trailer, it is divided into full suspension tractor and semi-trailer tractor.
All hang directly behind the independent car, it is difficult to drive, reversing and semi hanging is the opposite direction, at present, the full trailer gradually replaced by a half, and now most of all hang are tractors, with a cargo compartment