416F, 420F, 422F, 428F, 430F, 432F, 434F and 444F Backhoe Loaders Axles, Differential and Brakes Caterpillar


Axle (Rear)

Usage:

420F JWJ



图 1g01200593

后桥的部件

(1) 终传动

(2) 车桥壳体

(3) 行车制动器

(4) 差速器组件

(5) 停车制动器

来自变速箱输出轴的动力通过驱动轴和万向节传输至后桥。 动力通过输入法兰进入后桥。 输入法兰连接到停车制动器和小齿轮上。 动力从小齿轮传输到差速器齿圈。 差速器齿圈用螺栓固定在差速器上。

差速器

动力通过小齿轮和侧齿轮经差速器传输。 侧齿轮用花键连接到车桥轴上。 有关差速器的更多信息,请参阅系统操作, "差速器"。

车桥还包含有差速锁。 请参阅系统操作, "差速锁"。

动力通过差速器传输到车桥轴。 动力通过行车制动器传递。

动力进入终传动。 每个终传动都有相同的部件。 终传动会进行动力传动系中最后一次降速增扭。

行车制动器




图 2g01514696

(6) 车桥轴

(7) 制动器活塞

(8) 制动片

(9) 摩擦盘

(10) 托架

后桥包含行车制动器。 制动片 (8) 用销固定到制动器壳体上。 摩擦片 (9) 用花键固定到托架 (10) 上。 托架 (10) 用花键固定到车桥轴 (6) 上。 当施加制动器时,制动器活塞 (7) 抵住摩擦片 (9) 推压制动片 (8) 。 这会导致摩擦。 摩擦导致车轮降速旋转或停止转动。 制动器活塞 (7) 通过销固定到位。 当制动踏板释放时,销上的弹簧迫使制动器活塞 (7) 离开制动片 (8) 。 此动作将释放车桥上的制动器。

终传动




图 3g01514713

终传动和车桥的部件

(1) 托架

(6) 车桥轴

(11) 法兰

(12) 壳体

(13) 太阳齿轮和轴

(14) 齿圈

(15) 行星齿轮

动力通过车桥轴 (6) 传输到终传动。 终传动会进行动力传动系中最后一次降速增扭。 终传动包括下述部件:太阳齿轮 (13) 、托架 (1) 、行星齿轮 (15) 和齿圈 (14) 。 太阳齿轮 (13) 接合到车桥轴 (6) 上。 齿圈 (14) 用花键固定到壳体 (12) 上。 三个行星齿轮 (15) 安装在托架 (1) 中。 托架 (1) 通过螺栓固定到法兰 (11) 上。 法兰 (11) 通过两个相对的锥形滚柱轴承在壳体 (12) 上旋转。

动力通过太阳齿轮 (13) 传输到行星齿轮 (15) 。 行星齿轮 (15) 绕着齿圈 (14) 内侧旋转。 行星齿轮 (15) 环绕齿圈 (14) 的移动导致托架 (1) 和法兰 (11) 旋转。 动力从法兰 (11) 传输到车轮。

Caterpillar Information System:

793F Series AC Off-Highway Truck/Tractor Braking System MID 116 - CID 2448 - FMI 09
2011/12/19 An Update to the Suspension Charging and Servicing Literature is Now Available For Certain Off-Highway Trucks {0756, 7200, 7201, 7213}
416F, 420F, 422F, 428F, 430F, 432F, 434F and 444F Backhoe Loaders Axles, Differential and Brakes Drive and Steering Axle (Front)
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