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The vehicle carrying platform is an important part of vehicle refitting and plays the role of connecting the shelter and chassis. As the transportation carrier of the shelter vehicle, the overall stiffness, strength and weight of the vehicle carrying platform are important indicators of the vehicle carrying platform.

The traditional platform structure is formed by stamping thick steel plate (material Q235), processed into beam, longitudinal beam and side beam; Anti skid aluminum chequered plate is laid on the platform. Aluminum chequered plate for platform is cut and riveted to the frame according to the width of the platform beam. The new high-strength vehicle carrying platform is processed into cross beam and longitudinal beam through rectangular tube instead of steel plate bending parts, and then assembled and welded with thick steel plate stamping side beam; Aluminum chequered plate for platform, aluminum chequered plate is not cut. It is designed according to the width of aluminum chequered plate, and the beam span is designed at 1200 mm as far as possible. If it is really impossible to design the beam at 1200 mm according to the actual situation, A steel plate strip with a width of 40 is added below the joint of the two aluminum chequered plates as the riveting fixing point, and then riveted to the frame through sealant. Sealant is applied between the plates and the surrounding rings. The platform has good rainproof and corrosion resistance. The platform is divided into two parts: front platform and rear platform. Install tarpaulin box and shelter at the front end of the front platform, and install generator set at the rear end; Install 4.5 antenna feed system on the rear platform. In this way, the strength and stiffness of the improved vehicle carrying platform are much higher than those of the previous vehicle carrying platform, and the weight is reduced by 30% ~ 40%, so as to improve the transportation performance of the whole vehicle

The traditional platform is laid with anti-skid aluminum chequered plate, which is cut and riveted to the frame according to the width of the platform beam. For the improved platform, aluminum chequered plate is not cut. According to the width of aluminum chequered plate, the beam span is designed at 1200 mm as far as possible. If it is really impossible to design the beam at 1200 mm according to the actual situation, a steel plate strip with a width of 40 is added below the joint of two aluminum chequered plates as the pull riveting fixing point, Without affecting the stiffness and strength of the platform, the waste is avoided and the cost is saved.

Through the structural improvement of rectangular tube instead of steel plate bending part, the overall stiffness and strength are ensured; By changing the position of the beam or increasing the steel strip with width 40, the cost can be saved and the profit can be increased. At the same time, the high-strength lightweight vehicle carrying platform used by a certain type of vehicle in 2018 has been applied. The vehicle carrying platform welded with the above structure has not only improved the strength and stiffness, the flatness can be controlled below 2 mm, but also reduced the weight by about 200 kg compared with the previous structure. After one year of application, the effect is good and has won high praise