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自1980年起,K_(18F)煤漏斗车开始在齐厂批量生产。但该车的风手传动装置中的双联杠杆与传动轴的联接方法,笔者认为是很值得商榷的。此两零件的联接,原设计为键联接,但在制造的初期就修改为键联接再加过盈配合联接,而且是要求选配,并保证其过盈量为0.05～0.10毫米(有关联接零件及尺寸见图1)。本文将从双联杠杆与传动轴的受力分析与联接的计算来论述此种联接方法所存在的问题。
Since 1980, K_ (18F) coal hopper trucks have been mass-produced in Qixian plant. But the car’s wind gear transmission device in the double lever and shaft coupling method, I think it is very debatable. The connection between the two parts, the original design for the key connection, but in the early years of manufacture to modify the key connection plus interference fit connection, and is required matching, and to ensure that the interference is 0.05 to 0.10 mm (on the connection parts And the size shown in Figure 1). This article will discuss the problems existing in this kind of connection method from the force analysis and connection calculation of double-lever and transmission shaft.