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由于粉罐半挂车罐体呈“V”型或“W”型,综合考虑整车长度、轴荷分配、罐体离地高度等诸多因素,车架设计时前后下翼面高度差值较大,当遇到牵引车鞍座高度较低的牵引车时,大部分半挂车都无法实现与牵引车的合理匹配。为此,本文介绍一种高低可调式牵引装置,通过改变半挂车牵引板与车架后部下翼面的前后高度差来满足不同鞍座高度的牵引车,提高匹配的合理性。
As the powder tank semi-trailer tank was “V” type or “W” type, considering the vehicle length, axle load distribution, tank height from the ground and many other factors, frame design before and after the lower airfoil height The difference is larger. When confronted with a tractor with a lower tractor saddle height, most semi-trailers can not reasonably match the tractor. For this reason, this paper introduces a kind of height-adjustable towing device, which can meet the requirements of different saddle height tractors by changing the height difference between the front and the rear of the semi-trailer traction plate and the rear lower wing surface of the frame to improve the matching rationality.