The new version of GB1589-2016 "boots" finally landed, compared to GB1589-2004 mainly made changes in the appearance of the vehicle size, load and other aspects, and the definition and redefinition of a part of the terminology. It is the first time that the term air suspension has been clearly defined—a suspension system that provides a 75% or more vibration damping effect from an air spring.
New Policy Helps Air Suspension Arise
In fact, as early as in May 2005, the Ministry of Transportation and Communications issued a "Notice on Rules for the Operation of Cars and Vehicle Trains Recommended by Vehicles" issued by the Ministry of Communications, which stipulated that vehicles with air suspension should be given priority.
This time, the new version of GB1589 on air suspension is not only as simple as recommended, but even has some interest in boosting the development of air suspension. Let's savor the following two tables: Suspension regulations.
The maximum permissible shaft load limit values ​​of the single axle, two axle and three axle groups of the automobile and the trailer in GB1589-2016 are specified in the table, the axle load limit of the non-drive axle with two tires on each axle is 10000kg, but as long as the air suspension is configured The maximum limit of the maximum allowable axle load is 11500kg.
Two-axle set (1300 mm ≦ wheelbase <1800 mm) and trailer (wheelbase ≤ 1800 mm), the maximum limit of the maximum allowable axle load is 19000 kg when the vehicle drive axle is equipped with air suspension on each side of each axle. Increased 1000kg.
In the maximum permissible total mass limit for automobiles, trailers and automobile trains (tractors + semi-trailers), the total weight limit for three-axle passenger vehicles, trucks and semi-trailer tractors is 25 tons, and the total weight of double-axles four-axle trucks 31 tons, when the drive axle is equipped with air suspension on each side of each axle and equipped with an air suspension, the maximum allowable total mass limit is increased by 1000kg; the four-axle vehicle train has a total weight limit of 36 tons when the driveshaft is doubled per axle. If the tire is equipped with an air suspension and the articulated train with a distance d between the two axles of the semi-trailer is greater than or equal to 1800 mm, the maximum allowable total mass limit is 37 tons.
Air suspension
The weight limit has been a major concern for users after the release of GB1589-2016. At this time, the standard for adding air suspension to increase the load will undoubtedly make the air suspension more attractive. This move may push the air suspension. To a new stage.
The policy dares to push the air suspension. What is good about it?
The new version of GB1589 has already made up its conclusions. There may not be any changes in the short term. Since the facts have become so we look at the benefits of air suspension.
Air suspension
First: The air suspension has good shock absorption performance and superior driving stability. For the tractor, it can reduce the jump of the cab at the start, the impact of the trailer when the brakes are applied, and the shaking of the trailer. This can greatly reduce the damage to the goods caused by transport, effectively prevent the collapse of transported goods and improve the quality of transport. For long-distance, frequent start-up and braking operations, driving comfort can be greatly improved, reducing driver fatigue. At the same time, it also reduces the impact and damage to the road.
Secondly, it can realize the powerful function of height adjustment of the body part. The remote control, height sensor, and control valve are used to inflate and deflate the airbag to change the height of the body in different positions so as to facilitate the loading and unloading of the cargo. In particular, the use of an adjustable air suspension in the trailer can be controlled by the remote control, and the airbag can be deflated to reduce the height of the rear axle of the tractor so that it can be easily disengaged from the semi-trailer.
With product advantages and policy advantages in one, the air suspension will soon become the new darling of the truck industry. It is not impossible for the air suspension to dominate the market in the future!
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