trailer spindle-manufacture,factory,supplier from China

In the field of logistics and transportation, there is such a batch of goods, their huge volume, surprising weight, length, width, weight, etc., beyond the legal limits, and even beyond the limits of roads and Bridges and culverts can be passed, and the structure can not be split.

Trailer is one of the most used models in the domestic freight industry. Compared with other freight models, trailer has the characteristics of high transportation efficiency and low transportation cost. With the introduction and update of relevant standards, the requirements for trailer transportation have become increasingly stringent.1. Definition of various trailer models1.

"Tractor-trailer" is a noun we often see, for example, in the driving test question bank, it is often seen that "the internship period of vehicles shall not be tractor-trailer", refers to the use of vehicles to drag the rear carriage of a behavior. In fact, in addition to the meaning of the verb, tractor-trailer also refers to a very widely used in the logistics and transportation industry.Generally speaking, tractor-trailer refers to a type of vehicle with no driving capacity and mainly used to provide cargo loading space and bearing capacity.

With the prevalence of the trend of lightweight trailers, the voice of aluminum trailer is also getting higher and higher, and some industry insiders even call aluminum trailer "the future star of the transportation industry."With the introduction and implementation of GB7258-2017, the warehouse grid trailer ushered in more stringent technical requirements, which promoted the rise of the side curtain trailer to a certain extent.

In our country transportation industry, trailer is a kind of widely used vehicles. Trailer refers to a vehicle pulled by an automobile without its own power drive device, consisting of a car (truck or tractor, forklift) and a combination of one or more trailers.Trailer is an important type of vehicle in highway transportation, which has the advantages of speed, mobility, flexibility and safety, and can conveniently realize section transportation.

Tire is a very important part of the trailer. As the only part in contact with the ground during the running of the trailer, it supports the body and cushions the impact of the ground.

Semi-trailer is a trailer whose axle is placed behind the center of gravity of the vehicle and equipped with a coupling device that can transfer the horizontal and vertical forces to the tractor. It has no driving force of its own and needs to be connected to the tractor with traction pins to achieve driving with the driving force of the main vehicle.Compared with full trailer, semi-trailer is mainly used for long-distance cargo transportation, and can be subdivided in type. Different types of semi-trailer are not the same for transportation of goods.

As the main force of domestic cargo transport, semi-trailer is the most familiar model of car owners, and the future development trend of semi-trailer directly affects the efficiency of road transport. In the future, what will be the development trend of the semi-trailer?● Trend 1: lightweight, more cargo loadingWith the development of the country's vehicle overloading activities, the current long-distance semi-trailer basically belongs to the standard load transport.

In summer, there is more rain, and vehicles are prone to soaking in water, especially in those low-lying places.Although the body of the trailer is relatively higher than that of ordinary vehicles, there is still a risk of soaking in water if it encounters a violent rainstorm.

With the continuous improvement of the development level of the logistics transportation industry, the development of cold chain transportation is more and more rapid, many industries need the corresponding cold field car to do transportation support, such as catering, fresh, medicine and so on, coupled with the relevant departments now attach more and more importance to food safety, cold field car market is also continuing to improve, the number of refrigerated vehicles in the country is increasing year by year.Stable and sustained growth, so that many owners want to enter the cold chain tran