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The new national standard is coming! What are the highlights of gb7258-2017?

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The new national standard is coming! What are the highlights of gb7258-2017?

Date of issue: 2019-04-24 11:59:49 Author: admin Click: one hundred and fifty-two

On September 29, gb7258-2017 technical conditions for motor vehicle operation safety (hereinafter referred to as "new GB7258") was officially issued and will be formally implemented from January 1, 2018.
 
As a safety standard for motor vehicle operation and vehicle manufacturing, the standard will replace gb7258-2012 "technical conditions for motor vehicle operation safety". Through adding, deleting and modifying relevant provisions, it will carry out more detailed and targeted constraints and management on vehicle manufacturing, which will certainly have a significant impact on the commercial automobile industry.
 
So, what are the specific changes in the new national standard GB7258? What are the key aspects? The reporter specially summarizes the relevant provisions of the new GB7258, so that readers can have a targeted understanding of the industry policies.
Freight cars: improving safety requirements
 Policy, technical conditions for motor vehicle operation safety, new GB7258
Special requirements for anti lock braking device are added (see 7.2.13);
The requirement that freight cars with total mass greater than or equal to 12000kg should be equipped with sound warning device for right turn of vehicles (see 8.6.7);
The requirement that the total load-carrying capacity of the tyres for freight cars and trailers with a total mass of more than 3500kg (except for closed trucks, caravans and other special purpose trailers) should be less than or equal to 1.4 times of the total mass (see 9.1.1);
The requirement that three axle and more than three axle freight cars should have overspeed alarm function is added (see 10.5.2);
Added the requirement that users are not allowed to change the fuel type (see 12.5.1);
Added the requirement that all wheels of semi-trailer for dangerous goods transport, three-axle barrier type and bin grid semi-trailer should be equipped with disc brake (see 7.2.6)
From the above several more important requirements, safety improvement is an important direction of the revision of the standard; among them, in the draft of gb7258-2017 standard, it is required to install retarder, disc brake and other items in a compulsory way. Except for some vehicles, others are not implemented. If these measures really become mandatory standards, it may be a revolutionary change for China's truck industry.
 
Bus: safety and comfort

 
Policy, technical conditions for motor vehicle operation safety, new GB7258
The requirement that some passenger cars should be equipped with lane keeping assistance system and automatic emergency braking system is added (see 4.17.3);
The requirement that the electronic stability control system should be equipped for passenger cars with a height of 3.7m or more without passenger standing area is added (see 4.17.4);
The requirement that all service brakes of all passenger cars, dangerous goods transport vehicles, freight cars with total mass greater than 3500kg, special operation vehicles and semi trailers (except freight cars with all wheel drive function and special operation vehicles) shall be equipped with automatic brake clearance adjustment device (see 7.2.7);
The requirements for rated working pressure of air reservoir for passenger cars with vehicle length greater than 9m, freight cars with total mass greater than or equal to 12000kg and special operation vehicles refitted with truck chassis are added (see 7.8.1);
The strength requirements of bus superstructure are modified (see 11.2.1 of version 11.2.1 of 2012 Edition);
The requirements for the clear height of the luggage compartment under the bus are added (see 11.2.5);
The requirements for storage area of accompanying articles in some road buses are added (see 11.2.8);
The requirements for the number and volume of fuel tanks for road buses, tourist buses and buses without passenger standing area have been added (see 11.2.9);
From the above increases and changes, it can be seen that the safety of buses and the riding experience of passengers will be greatly improved. Among them, the new GB7258 has made a comprehensive planning and deployment in terms of vehicle braking and stability, bus structure manufacturing, luggage compartment and goods storage area, fire protection, etc., which further changes the safety, comfort and high-end of China's buses.
 
 Policy, technical conditions for motor vehicle operation safety, new GB7258

In addition, the new national standard GB7258 has made effective adjustments and changes from different angles and aspects in the field of special purpose vehicles, hazardous chemical transport vehicles and other vehicle types, so as to meet the various requirements of vehicle development in the new era. For example, the circuit system of dangerous goods transport vehicles should comply with the requirements of gb21668 (see 8.6.8); some dangerous goods transport vehicles and semi-trailer should be equipped with air suspension (see 9.4); the requirements for overturning protection device on the top of tank body of tank type dangerous goods transport vehicles (see 12.12.2, 12.11.2 of 2012 Edition) are revised.
 
It is understood that the new national standard GB7258 It is an important part of China's national safety technical standards for motor vehicles. It is also the most basic technical standard for the safety management and accident vehicle inspection of motor vehicles. It is also one of the technical bases for China's motor vehicles. Therefore, through the literal meaning, we can see that the safety requirements for vehicles will be the top priority of this standard.
At the same time, the new GB7258 also stipulates that compared with gb7258-2012, the new technical requirements related to vehicle structure and safety devices in this standard should be planned in advance to meet the requirements, so as to cope with the major changes brought about.

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