414E, 416E, 420E and 430E Backhoe Loaders Axles, Differential and Brakes Caterpillar


Differential Lock - If Equipped

Usage:

416E BWC


注意

为防止差速器损坏,高速时不要接合差速锁。

在高阻力的地方,可能需要稍稍转动机器,以帮助解锁差速锁。 降低发动机转速可能也有帮助。


在柔软区域的地面上操作时,车轮可能出现打滑。 机器操作可能极度迟缓,或机器可能完全停止。 差速器将大部分动力传递到空转车轮,对面一侧的车轮则可能处于坚硬地面上。 通过差速锁可以改善牵引力,因为差速锁可以使坚硬地面上的车轮获得动力。 由于这些额外的牵引力,机器将能够通过柔软区域的地面。

车桥差速器的配置允许差速器锁止,并且该机构会使车桥轴锁在一起。 随后,两个车轮将以相同转速旋转。 扭矩将取决于车轮之间的不同地面阻力。 传递到每个车轮的扭矩是基于每个车轮上的牵引力大小。




图 1g01202933

(1) 差速锁开关

差速锁由位于操作台地板上的一个脚踏开关 (1) 控制。

差速锁的受控方式如下:

  • 当脚踏开关启用时,差速锁通过油压接合。

  • 当车轮之间的扭矩达到均衡时,差速锁自动分离。




图 2g01515174

自动换档电磁阀

(2) 电磁阀




图 3g01515177

手动换档电磁阀

(2) 电磁阀

用于差速锁控制的脚踏开关 (1) 操作一个电磁阀 (2) 。 油从变速箱充油泵供应到电磁阀。




图 4g01515183

差速锁执行器

(3) 弹簧

(4) 弹簧

(5) 轴

(6) 叉

(7) 活塞

叉 (6) 位于差速器壳体中的轴 (5) 上。 当驾驶室地板上的开关按下时,油压供应至电磁阀 (2) 。 油压自电磁阀 (2) 向活塞 (7) 施加压力。 活塞克服弹簧 (3) 和 (4) 移动轴 (5) 和叉 (6) 。




图 5g01515278

差速锁

(6) 叉

(8) 套环

(9) 槽

(10) 侧齿轮

叉 (6) 会沿差速器轴向移动套环 (8) 。 位于套环中的四个销会接合在差速器侧齿轮 (10) 的槽 (9) 内,以便接合差速锁。

在正常操作中,差速器解锁,车桥轴会在不同转速下自由旋转。 车轮转速受车轮阻力的控制。

差速器解锁时,弹簧 (3) 和 (4) 会保持叉 (6) 和套环 (8) 远离差速器。

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