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Skeleton type semi-trailer is a kind of semi-trailer whose frame is welded by longitudinal beam, beam and front and rear end beams. It is similar to flat type semi-trailer in appearance, but the frame replaces the steel plate. From the top of the body, its bottom is exposed, so the goods it transports are generally more special.Normally, skeleton semi-trailers can be used to transport containers, such as in ships, ports, routes, roads, transit stations, Bridges, tunnels and other logistics systems, can also be used to transport dangerous goods tanks.

Low flat trailer is a special vehicle, specialized in the transport of heavy vehicles, rail vehicles, construction machinery, highway construction equipment, large tanks, power station equipment and other types of non-removable large goods, its structure is generally designed into concave beam type, flat type and tire exposed type, the body around the fence plate, convenient loading and unloading and fixing of goods.Compared with other models, the transport weight of low flat trailer is greater, and the requirements for transport stability, passability and safety are also higher, and such mode

Trailer axle is a typical support bridge, composed of axle beam, camshaft, brake assembly, wheel end assembly, adjusting arm and various types of washers, bolts, etc., the main role is to bear the weight of the body. In addition to load, it can also play a role in assisting vehicle braking, maintaining vehicle driving, slowing down bumps, etc., without steering and driving functions.From the perspective of vehicle structure, the axle belongs to a part of the vehicle chassis and belongs to the driving system.

Low flat semi-trailer is a type of vehicle commonly used in the domestic logistics transportation industry, which is usually used for the transportation of heavy vehicles, rail vehicles, mining machinery, forestry machinery, construction machinery and other heavy goods that cannot be disassembled.Low plate semi-trailer generally adopts concave beam frame in structure, that is, the front section is gooseneck, the middle section is the cargo platform, and the rear section is the wheel frame. There is no fence plate around.

Low plate semi-trailer is specially used for the transport of heavy vehicles, rail vehicles, mining machinery, forestry machinery, construction machinery and other non-removable large goods vehicles, commonly known as "big plate" in the industry, the structure is trailer axle generally concave beam type, the front section is gooseneck, the middle section is the cargo platform, the rear section is the wheel frame, and there is no fence around.Compared with the ordinary semi-trailer, the center of gravity height of the low plate semi-trailer is lower, on the one hand, it can facilitate

Axle is one of the key components of the trailer chassis, bearing the role of supporting the body load, auxiliary braking, maintaining driving, and cushioning the road vibration to a certain extent. From the perspective of composition structure, the trailer axle is mainly composed of the shaft beam and various parts of the brake, wheel end and camshaft unit.When purchasing the axle, the owner will often find such a problem: some parts of the trailer axle factory are produced by themselves, and some are purchased from external suppliers.

Under normal circumstances, the suspension of the semi-trailer can be mainly divided into four types:1, rigid suspension.The chassis of the rigid suspension directly acts on the axles between the wheels, without a spring as a buffer, and completely relies on the swing of the balance beam to maintain the relative balance of the front and rear axles when the road is uneven.This kind of suspension is relatively rare at present, because its shock absorption effect is very poor, mainly used in low-speed cargo carrying low-plate semi-trailer.2.

The half shaft is also called the drive shaft, is one of the important components on the drive axle, the main role is to connect the differential and the drive wheel, transmit torque between the reducer and the drive wheel, so that the drive wheel drives the vehicle. Because of the need to transmit torque, the half-shaft is mainly solid, but because the hollow shaft rotation imbalance control is easier, so many cars now also use hollow half-shaft.It is worth noting that the half shaft and the drive shaft are two completely different components.

The trailer axle is one of the main structural forms of the axle. Compared with the common monolithic axles, the split axles do not have a solid or hollow axle in the middle, but instead a jointed structure, so that the two wheels can achieve relative motion between each other.To put it in plain English, the two wheels on the same shaft, whether they beat or swing, can achieve complete independent movement without interfering with each other.

Axle is a very important part of the trailer, bearing the driving, steering, bearing, driving and other functions of the trailer, can be said to be the walking system of the trailer.Usually, according to the different drive mode, axles can be divided into steering axle, drive axle, steering drive axle and support axle. Among them, the steering bridge and the support bridge are both driven Bridges, that is, they do not have the driving function.