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There are hidden safety hazards in containerized side curtain trailers, but they are flooding?

Mar. 12, 2021

With the promulgation and gradual advancement of the new version of GB7258, due to the mandatory installation of disc brakes and airbag suspension, the very popular Cangzha car seems to have been strangled in the development of the throat, and the future becomes obscure. In this context, in 2018, many trailer manufacturers began to look for and develop alternative models of Cangzha vehicles, and the curtain side car, which is the main model of European road transport, has become the first choice of many companies.

In the past year, many trailer manufacturers have successively launched their own curtain side car products, and the limelight is no different. But at the same time new problems have appeared, and they have begun to pose a serious threat to traffic safety.

As we all know, the curtain side car originated from Europe and is the absolute main vehicle of European road transportation. After more than 20 years of development and improvement, it has formed a mature structure.

The European side curtain car is equipped with sliding columns and side baffle structures on both sides of the carriage, making the side a complete detachable frame structure, so as to provide sufficient side support when the goods are dumped to ensure traffic safety.

According to European EN12672 regulations, all transport vehicles must pass the safety certification shown in the figure below before they can be approved for sale to ensure that the vehicles have sufficient safety.

In order to meet the requirements of regulations, the frame structure on both sides of the carriage is essential, but it also brings certain troubles to loading and unloading goods-each time loading and unloading goods, the side frame structure must be disassembled and assembled, which is time-consuming; For Chinese drivers who have just come into contact with side curtain cars, there are still some operational difficulties.

Therefore, a simplified side curtain car came into being-container side curtain car: this type of side curtain car is actually a combination of a container frame car and a side curtain container. This structure has no side pillars and The side baffle structure has only one layer of curtain on the side, so it is very convenient to open and close, which is quite popular with users.

However, the threat it brings to traffic safety is huge-once the goods are dumped during transportation, due to insufficient lateral support, it will inevitably lead to serious traffic accidents and cause great harm to other vehicles and pedestrians.

Therefore, a simplified side curtain car came into being-container side curtain car: this type of side curtain car is actually a combination of a container frame car and a side curtain container. This structure has no side pillars and The side baffle structure has only one layer of curtain on the side, so it is very convenient to open and close, which is quite popular with users.

However, the threat it brings to traffic safety is huge-once the goods are dumped during transportation, due to insufficient lateral support, it will inevitably lead to serious traffic accidents and cause great harm to other vehicles and pedestrians.

From an industry perspective, this monster named after the curtain side car has also had a serious impact on the budding side curtain car industry. Its low price has had a huge impact on the regular European side curtain car market. Weed out good coins as bad coins.

So why has a model with obvious and serious safety hazards been developed and has become an overwhelming trend? There are roughly three reasons:

Lack of regulations and standards

At present, in addition to a little bit of broad requirements for the side curtain car structure mentioned in GB7258-2017, there are currently no relevant regulations or standards for side curtain cars in China; and the reason why container side curtain cars is named as a container is The reason is that the car body and the chassis can be separated, which can "smartly" avoid the little bit of broad requirements in GB7258-2017 during vehicle inspection.

In the course of transportation, law enforcement agencies do not have relevant laws and regulations as a basis for law enforcement, and can only allow such dangerous vehicles to drive and operate.

The defects of European side curtain car

European-style side curtain vehicles, due to its structural limitations, require disassembly and assembly of the side curtain frame structure each time loading and unloading goods. For vehicles that need to be loaded and unloaded multiple times a day, a lot of additional operating time is added, so some drivers are worried about it Repel.

The manufacturing cost of European side curtain car is too high

Lack of regulations and standards

At present, in addition to a little bit of broad requirements for the side curtain car structure mentioned in GB7258-2017, there are currently no relevant regulations or standards for side curtain cars in China; and the reason why the container side curtain car is called the container is that The reason is that the car body and the chassis can be separated, which can "smartly" avoid the little bit of broad requirements in GB7258-2017 during vehicle inspection.

In the course of transportation, law enforcement agencies do not have relevant laws and regulations as a basis for law enforcement, and can only allow such dangerous vehicles to drive and operate.

The defects of European side curtain car

European-style side curtain vehicles, due to its structural limitations, require disassembly and assembly of the side curtain frame structure each time loading and unloading goods. For vehicles that need to be loaded and unloaded multiple times a day, a lot of additional operating time is added, so some drivers are worried about it Repel.

The manufacturing cost of European side curtain car is too high

Because curtain side cars have just started in China, the market capacity is still small, and the development cost of vehicles and accessories is high. As a result, the market price of a European-style side curtain car is almost twice that of a Cangzha car, and the price competitiveness is low; Due to the simple structure and simple technology of the container side curtain car, the manufacturing cost is much lower.

In summary, it has become a top priority to regulate side curtain cars and promote their healthy development.


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