Low flat semi-trailer low flat semi-trailer vehicle parts without rail, widely used, mainly used for medium and long-distance freight transport. The frame of series semi-trailer is of through beam structure, and the longitudinal beam is of straight movable gooseneck type. The web height is from 400mm to 550mm, the longitudinal beam is welded by automatic submerged arc welding, the frame is shot peened, and the transverse beam is penetrated into the longitudinal beam and welded as a whole. Series dry plate spring and suspension support are composed of reasonable structure, strong rigidity and strength, which are used to support load and slow impact. Low flat semi-trailer is usually used to transport heavy trucks (such as tractors, buses, special vehicles, etc.), rail vehicles, mining machinery, forestry machinery, agricultural 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 more capable it is to transport super high goods and pass overhead obstacles Strong. The structure of low flat semi-trailer and loading of low flat semi-trailer usually adopt concave beam type (or well type) frame, namely, the front section of the frame is gooseneck (the traction pin of the front section of gooseneck is connected with the traction saddle on the tractor, the rear end of gooseneck is connected with the semi-trailer frame), the middle section is cargo platform, 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 walking structure of low flat plate semi-trailer is made of high-strength international steel, with light weight of the whole vehicle, ensuring its anti twist, anti-seismic, anti bump capacity and meeting different road bearing capacity.Wholesale Low Bed Semi Trailer website:http://www.rongstartruck.com/semi-trailer/low-bed-semi-trailer/