The invention relates to a driving assembly and a commercial vehicle, and the driving assembly comprises an intermediate axle, the intermediate axle comprises an intermediate axle driving bevel gear, a one-way synchronizer, a driving cylindrical gear, an intermediate axle pneumatic execution mechanism and a driven cylindrical gear, and the driving bevel gear, the one-way synchronizer, the driving cylindrical gear and the driven cylindrical gear are sequentially in transmission connection; the intermediate axle pneumatic actuating mechanism is used for driving the one-way synchronizer; a rear axle; and a transmission shaft; wherein the one-way synchronizer comprises a joint tooth and a tooth holder which can be in transmission connection, the joint tooth is coaxially connected with the driving cylindrical gear, and the tooth holder is coaxially connected with the intermediate axle driving bevel gear; the intermediate axle pneumatic executing mechanism can drive the joint teeth to be meshed with the tooth holder for transmission and drive the joint teeth to be separated from the tooth holder for interruption of transmission. The one-way synchronizer serves as a clutch of the driving assembly, and switching between a double-axle driving mode and a single-axle driving mode is facilitated. The one-way synchronizer can guarantee reliability and transmission efficiency, and is simple in structure, light in weight and low in manufacturing cost.
本申请涉及一种驱动总成及商用车,包括:中桥,中桥包括中桥主动锥齿轮、单向同步器、主动圆柱齿轮、中桥气动执行机构和从动圆柱齿轮,主动锥齿轮、单向同步器、主动圆柱齿轮及从动圆柱齿轮依次传动连接,中桥气动执行机构用以驱动单向同步器;后桥;以及传动轴;其中,单向同步器包括能够传动连接的接合齿和齿座,接合齿与主动圆柱齿轮同轴连接,齿座与中桥主动锥齿轮同轴连接;中桥气动执行机构能够驱使接合齿与齿座相啮合以传动,以及接合齿与齿座相脱离以中断传动。将单向同步器作为该驱动总成的离合器,方便双桥驱动和单桥模式的切换。单向同步器可以保证可靠性、传动效率,单向同步器的结构简单,重量轻、制造成本低。
Driving assembly and commercial vehicle
驱动总成及商用车
2023-09-05
Patent
Electronic Resource
Chinese
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