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“Not long afterwards, China will have its own unified standard in the safety performance of commercial vehicle cabs.†This is information that reporters learned from relevant experts recently.
The topic has to start with the WP29 amendment. WP29 is the abbreviation of the United Nations World Vehicle Regulatory Coordination Forum. One of the main tasks is to revise the ECE automobile technical regulations.
In 2006, WP29 revised a total of 76 ECE regulations, accounting for 61% of the total 125 ECE regulations. One of them is about uniform regulations for occupant protection in commercial vehicle cabins (ECE R29).
ECE R29 was enacted in 1974. The current version is a revised version of the 02 series that was approved in 1999. To further strengthen the safety of commercial vehicles, the WP29/GRSP (Passive Safety Working Group) is currently revamping the regulations and has established a special informal working group.
Proposed ECE R29 amendment
According to an expert from the National Automobile Standardization Technical Committee, for the protection of cab members, the accident pattern of commercial vehicles can be divided into single-vehicle accidents and collision accidents between vehicles, and thus there are different test methods. ECE R29 specifies the test methods for the front impact test, top strength test, and back strength test of commercial vehicle cabs, and proposes the requirements for the cab's living space and the connection strength between the cab and the vehicle. However, judging from the current situation, most European countries and commercial vehicle manufacturers do not completely adopt this standard, but adopt more stringent corporate standards. In order to unify the standards, European manufacturers proposed a revised plan for ECE R29 based on statistical analysis of accidents involving commercial vehicles.
“The current plan is more and the opinions are more serious is the frontal impact test. Through the analysis of the accidents of commercial vehicles, 45% of the vehicles in the bicycle accident have been turned over. The existing ECE R29 stipulates that the pendulum strikes the cab from the front to the rear. Front, and it turns out that the strength of the A-pillar has a great influence on the driver's living space after the rollover, so some manufacturers recommend adding a blow test to the A-pillar in the standard,†the expert told reporters.
It is reported that Russia has proposed an amendment to ECE R29 and will add different test methods to N1, N2 and N3 commercial vehicles. The 141st meeting of the WP29 to be held in March this year will review and vote on this.
China's cab safety standards are missing
“China has no uniform standard in the safety of commercial vehicle cabs. With the need for product management, technological advancement, and the need to improve international competitiveness, we cannot leave the standard in the missing state.†Experts tell the truth.
In the domestic market, there are a large number of manufacturers of cabs for commercial vehicle companies, and the technical levels are uneven. Some companies adopt backward manufacturing methods, adopt imitation methods in the structural design of the cab, and lead to cost savings in material selection. It is even more difficult to meet requirements in the anti-corrosion treatment of the cab.
Even some large companies that have the ability to produce their own cabs are mostly introducing foreign technologies or directly introducing molds. The self-developed parts are mostly concentrated in interiors, front faces, etc.
"I have only heard of ECE R29, but I don't know much about it. There is no standard in the driver's cab in China, and no collision test is required before leaving the factory." The technician of a large truck company admitted frankly.
Experts said that in the safety performance of commercial vehicle cabs, there is a big gap between China and foreign advanced levels. For companies that want to export to Europe, the safety barriers are nowhere to be overcome, and entering Europe is a wishful thinking.
China's standard was completed in 2008
The gap is not just a lack of technology, experience, data, and theory. It is also reflected in the domestic companies' consideration of the safety performance of the cab.
"Software and hardware can be purchased, and innovative technologies and methods can also be obtained through joint design with foreign countries. Only experience and data need to be accumulated by themselves. This is an essential part of the company's establishment of its own core technology and knowledge base." Experts point out that driving The gradual improvement of safety performance in the room is the development trend of the industry. There are standards that can promote the company to improve its own level through continuous testing, exploration and accumulation.
Experts revealed that after analysis of China's commercial vehicle accidents, combined with the revised ECE R29 and comprehensive reference of relevant advanced standards of other European countries, our country's cab safety performance standard --- "Commercial Vehicle Cab Member Protection" will be held in 2008. carry out.
Commercial vehicle cab safety is unclear