Introduction to Ordinary Semi-trailer
A semi-trailer is a trailer whose axle is placed behind the center of gravity of the vehicle (when the vehicle is evenly loaded) and is equipped with a coupling device that can transmit horizontal and vertical forces to the tractor. Semi-trailers are generally three-axle semi-trailers, and their types are divided into eleven-meter warehouse semi-trailers, 13-meter warehouse semi-trailers, and low-flat semi-trailers. It is a heavy-duty transportation vehicle connected with the semi-trailer head through the towing pin.
Compared with "monolithic" vehicles, semi-trailers can improve the overall economic benefits of road transportation. Transportation efficiency can be increased by 30-50%, cost can be reduced by 30-40%, and fuel consumption can be reduced by 20-30%. More importantly, the use of semi-trailers can also promote the organization of my country's logistics to a certain extent.
Semi-trailers are mainly used to transport large cargoes that are bulky and difficult to split, such as excavators, etc. The fence type is more suitable for pulling fresh and live goods, such as vegetables, fruits, etc. Van type is more suitable for pulling bulk cargo and preventing moisture More expensive goods
Different from a full trailer, a semi-trailer is a trailer whose axle is placed behind the center of gravity of the vehicle (when the vehicle is evenly loaded) and is equipped with a coupling device that can transmit horizontal or vertical force to the tractor! Generally, a full trailer has two axles and a semi-trailer has one axle. Semi-trailer refers to a vehicle that has no power and shares with the main vehicle and relies on the traction of the main vehicle.
Simply put, the trailer is connected to the truck in front with a hook. The semi-trailer is connected to the towing seat of the tractor through the towing pin. The common container transporter is a typical semi-trailer, and the rear loading part is the semi-trailer.
There are also differences in usage. Full trailers are mainly used for short-distance transportation in factories, ports, docks, warehouses, etc., while semi-trailers are mainly used for long-distance transportation of goods.