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With the prevalence of youthful quantification trends in recent years, air suspensions appear more and more frequently on freight vehicles, especially the promotion and blessing of relevant regulations, making air suspensions a major selling point for many car companies. At the same time, compared with traditional leaf springs, air suspension does have incomparable advantages in many aspects. Although there are some flaws in strength and durability, the limelight is still undiminished.The air suspension is mainly composed of elastic elements, shock absorbers, and guide mechanisms.

Vehicle lightweight is one of the more popular keywords in the automotive industry in recent years. It not only helps energy saving and emission reduction, conforms to the general trend of environmental protection, but also brings many benefits to car owners, such as more loading capacity , less fuel consumption, better handling and higher comfort, etc.In order to pursue light weight, the industry can be said to have racked their brains.

Vehicle lightweight is one of the popular keywords in the automotive industry in recent years. It not only helps to save energy and reduce emissions, conforms to the trend of environmental protection, but also brings many benefits to car owners, such as more loading capacity, less fuel consumption, better handling, and higher comfort.In order to pursue lightweight, the industry can be said to have hollowed out ideas, from car bodies, beams, upper fittings, to axles, tires, leaf springs, etc., all are studying how to obtain lighter self weight.

Leaf spring is one of the most widely used elastic components of automobile suspension, also known as leaf spring, composed of a number of pieces of equal width and unequal length alloy spring, generally presents a symmetrical section structure, the thickness of each spring can be the same or different.Compared with other types of elastic components, the leaf spring structure is simple, low cost and maintenance costs, strong rigidity, load-bearing, not only can play the role of shock buffering, but also has the function of guidance, transmission of force and torque in all directions, but also

With the development of social economy and the continuous improvement of vehicle technology, the "golden combination" of disc trailer axle + air suspension has attracted more and more attention.From the perspective of advantages, the disc brake airbag trailer axle brake is sensitive, the braking force output is linear and stable, the dead weight is light, the shock absorption effect is excellent, and it can also realize the flexible lifting of single or multiple axles to improve the ride comfort of the vehicle.But for car owners who are used to drum trailer axles and leaf spring susp

Suspension is a connection device between the axle and the frame, which is used to transmit force and torque, reduce the impact of the road surface on the body, reduce the body vibration caused by the road surface fluctuation, and ensure the smooth running of the vehicle.At present, the common suspensions in the commercial vehicle market are mainly leaf spring suspension and air suspension. Although the call for air suspension has become more and more popular in recent years, it is still difficult to shake the market application rate of 80% of leaf spring suspension.

In recent years, driven by relevant policies, more and more semi-trailers have begun to install air suspensions. Of course, this is also closely related to the performance of air suspensions such as light weight, stable shock resistance, good comfort, and free lift.The air suspension was born in the middle of the nineteenth century, and it went through the development process of pneumatic springs, airbag composite suspensions, semi-active air suspensions, and central inflatable suspensions.

With the increasing prosperity of China's maritime transport, road freight and container transport market, the semi-trailer market is also developing, and the market demand for various types of accessories related to it is also growing.Semi-trailer accessories, as the name suggests, refers to the various parts used on the semi-trailer, the more common trailer axle, suspension, leaf spring, leg, air chamber, air storage cylinder, steel ring, tires, relay valve, tightener, spare tire elevator, pull rod, traction pin, suspension, which traction pin, axle, tire, steel ring, leg, suspension as

Since the introduction of GB7258 "Technical Conditions for Motor Vehicle Operation Safety", air suspensions have been installed more and more frequently on three-axis fence-type and warehouse-type semi-trailers. Compared with the traditional leaf spring suspension, the air suspension has light weight and good weight reduction effect. While improving the ride comfort of the vehicle, it can also realize free lifting of single or multiple bridges.

Suspension is a connection device between the axle and the frame, which is used to transmit force and torque, reduce the impact of the road surface on the body, reduce the body vibration caused by the road surface fluctuation, and ensure the smooth running of the vehicle.Although the spring suspension is not as good as the air suspension in terms of shock absorption performance and self-weight, it has simple structure, low cost and maintenance cost, strong rigidity and high load-bearing force.Moreover, the leaf spring has a guiding function, can transmit the force and torque in all directions,