Why national policy also supports semi-trailers equipped with air suspension

Air suspension springs are believed to be no stranger to many people, especially those who play with cars. In fact, air suspension is not only used in high-grade cars, it is also excellent in semi-trailers.

In the national promulgation of GB7258 "motor vehicle operating safety technical conditions" is mentioned: "the total mass greater than or equal to 12000kg of the rear axle of the truck transporting dangerous goods, all dangerous goods transport semi-trailer, and three axle rail type, warehouse type semi-trailer should be equipped with air suspension." This shows that the semi-trailer equipped with air suspension airbag is also recognized by the state. As for why by the national recognition, let's look at it together.

Installed air suspension semi-trailer can maximize the protection of freight safety, through the adjustment of the air spring can ensure that the height of the box is constant, and can reduce bumps produce liquid shaking, reduce the impact on the tank, to protect freight safety, and improve the service life of the tanker. The use of air suspension, can effectively reduce tire wear, reduce fuel consumption. After data statistics, in the same road conditions and cargo, the fuel consumption of 100 km reduced by more than 1.2 liters. Air suspension system can more effectively absorb the vibration brought by the bumpy road, reduce the distortion and impact of the vehicle in driving, so as to have better protection for the axle parts, tires, frame, box, etc.

From the above introduction can be concluded why the national policy also supports the semi-trailer equipped with air suspension, the current domestic automotive air springs have been developed more mature, which is also one of the important reasons for national support.