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新型差速式转向机构,正广泛地应用在大功率履带式推土机、拖拉机上,由此而替代目前多数履带式机械,常用的转向离合器及制动器构成的转向机构。本文就这种差速式转向机构的组成、工作原理及有关运动学分析等进行探讨。1 差速式转向机构的组成及工作原理差速式转向机构亦称转向差速器,如图1所示。它由三个行星排(No.1,No.2,No.3),与变速箱输出端连接的圆锥齿轮副及与转向液压马达连接的圆锥齿轮副组成。变速箱输出端的圆锥齿轮副,其大锥齿轮2与No.2行星排的
The new differential steering mechanism is widely used in high-power crawler bulldozers and tractors, thereby replacing the steering mechanism formed by most current track-type machines, commonly used steering clutches and brakes. This article discusses the composition, working principle and related kinematic analysis of this type of differential steering mechanism. 1 The composition and working principle of the differential steering mechanism The differential steering mechanism is also known as the steering differential, as shown in Figure 1. It consists of three planetary rows (No. 1, No. 2, No. 3), a bevel gear pair connected to the output of the gearbox, and a bevel gear pair connected to the steering hydraulic motor. The bevel gear pair at the output end of the gearbox, with its large bevel gears 2 and No. 2 planetary rows