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Introduction of heavy-duty low-bed semi-trailer and slat-type semi-trailer

Apr. 21, 2021

Heavy-duty low-bed semi-trailer

The heavy-duty low-bed semi-trailer is a trailer that is used for loading oversized and overweight cargo. The basic form of a heavy trailer is a monocoque trailer. It generally has the following structure. Frame and axles The axles are mostly collinear with two axles, that is, there are two axles on the left and right on one axis, which is also called a two-axle row. Common monocoque trailers have 2 to 7 axes. One wheel axle is equipped with 4 tires, and one axis has 8 tires. Therefore, the width of the whole car can reach more than 3 meters. In order to reduce the center of gravity of the whole vehicle, steel radial wide rim tires (see car tires) with a small diameter and large load capacity are generally installed. Each tire can withstand a load of about 4 tons under low-speed operating conditions. The frame adopts a high-strength alloy steel box section welded structure. Usually a 5-axle, two-axle monocoque trailer can carry more than 100 tons.

Barrier semi-trailer

The semi-trailer of the fence type semi-trailer is a semi-trailer with a fence structure. It has a wide range of uses, mainly suitable for medium and long-distance transportation of medium and heavy-duty and bulk cargo. It has strong applicability and has become the first choice for medium and long-distance freight vehicles.

1. The vehicle body is made of high-quality steel, advanced technology, and strict production. The structure of the vehicle is reasonable, the performance is reliable, the operation is simple, and the appearance is beautiful.

2. The frames of series semi-trailers are all beam-through structures, and the longitudinal beams are straight or gooseneck. The web height ranges from 400mm to 550mm by welding with manganese plates, the longitudinal beams are welded by automatic submerged welding, the frame is shot blasted, and the crossbeams penetrate the longitudinal beams and welded as a whole.

3. The suspension adopts non-independent steel plate stamping rigid suspension, which is made of tandem steel plate springs and suspension supports; the structure is reasonable, with strong rigidity and strength, and is used to support the load and reduce the impact.


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