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The low flat semi-trailer usually adopts concave beam (or well type) frame. The front section of the frame is gooseneck (the traction pin of the front section of the gooseneck is connected with the traction saddle on the tractor, the rear end of the gooseneck is connected with the semi-trailer frame), the middle section is cargo platform (the lowest part of the frame), and the rear end is wheel frame (including wheels).
When loading the mechanical equipment on the low flat semi-trailer, it usually loads the mechanical equipment from the rear end of the semi-trailer, i.e. moving the mechanical equipment from the rear wheel frame or removing the wheels, and then fixing the mechanical equipment on the semi-trailer.The flat semi-trailer is suitable for the transportation of various kinds of mechanical equipment, large objects, highway construction equipment, large tank bodies, power station equipment and various steel products. "On the road" driver said that the low flat semi-trailer has flat type, concave beam type and tire exposed type structure, and the longitudinal beam adopts flat type or gooseneck type.
Use of low flat semi trailers:
It is usually used to transport heavy vehicles (such as tractors, buses, special vehicles, etc.), rail vehicles, mining machinery, forestry machinery, engineering machinery (such as excavators, bulldozers, loaders, pavers, cranes, etc.) and other heavy goods. The lower the center of gravity, the better the stability and safety, and the stronger the ability to transport super high goods and pass overhead obstacles.
The main types of low flat semi-trailer are: two axle high and low, two line four axle high and low, three axle high and low, three line six axle high and low.Low flat semi-trailer is mainly used to transport large and hard to split large goods, such as excavators, etc., fence type is more suitable for pulling fresh goods, such as vegetables, fruits, etc. van type is more suitable for pulling bulk goods and more valuable goods against humidity
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