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实用新型
CN201538235U 一种车用断开式三贯通驱动桥中央减速器 失效 - 权利终止

一种车用断开式三贯通驱动桥中央减速器
摘要：
一种车用断开式三贯通驱动桥中央减速器，包括：中央减速器壳体总成；牙嵌式轴间差速器，安装在中央减速器壳体总成内的一端，具有动力输入端及动力输出端；贯通轴，两端分别固定连接于牙嵌式轴间差速器的一个动力输出端及贯穿于另一动力输出端；空心轴，设置于牙嵌式轴间差速器的轴孔内及贯通轴外；行星齿轮式轮间差速器，安装在中央减速器壳体内的另一端，行星齿轮式轮间差速器具有一动力输入端及两动力输出端；一对圆柱斜齿轮，主动圆柱斜齿轮连接空心轴并与被动圆柱斜齿轮相啮合；一对螺旋伞齿轮，主动螺旋伞齿轮连接被动圆柱斜齿轮并与被动螺旋伞齿轮相啮合，被动螺旋伞齿轮安装在轮间差速器的壳体上。本实用新型输出扭矩分配比满足1∶2。
摘要（英）：

A vehicle divided triple-through drive axle central speed reducer comprises a central speed reducer casing body assembly, a through shaft, a hollow shaft, a planet gear inter-wheel differential mechanism, a pair of cylindrical inclined gears and a pair of spiral bevel gears. A castellated inter-shaft differential mechanism is installed at one end inside the central speed reducer casing body assembly; a power input end and power output ends are arranged on the castellated inter-shaft differential mechanism; two ends of the through shaft are respectively fixedly connected to one power output end of the castellated inter-shaft differential mechanism and penetrate through the other power output end of the castellated inter-shaft differential mechanism; the hollow shaft is arranged inside an axial hole of the castellated inter-shaft differential mechanism and outside the through shaft; the planet gear inter-wheel differential mechanism is installed at the other end inside a central speed reducer casing body and provided with a power input end and two power output ends; a driving cylindrical inclined gear is connected to the hollow shaft and mutually meshed with a driven cylindrical inclined gear; a driving spiral bevel gear is connected to the driven cylindrical inclined gear and mutually meshed with a driven spiral bevel gear; and the driven spiral bevel gear is installed on a casing body of the inter-wheel differential mechanism. Distribution ratio of output torsion of the vehicle divided triple-through drive axle central speed reducer meets 1: 2.

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