Service Brake
行车制动器安装在车桥壳体和终传动之间。
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| 图 1 | g00798651 |
典型实例 (1) 冷却端口 (2) 端口 (3) 冷却端口 (4) 行车制动器 (5) 螺塞 | |
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| 图 2 | g00798645 |
(6) 活塞 (7) 壳体 (8) 外板 (9) 车轮 (10) 冷却室 (11) 制动器腔室 (12) 摩擦盘 | |
壳体 (7) 通过螺栓固定在车桥壳体上。 摩擦盘 (12) 通过花键与壳体 (7) 相连。
当驾驶室内的踏板踏下时，压力经由端口 (2) 进入制动器腔室 (11) 中。 这会移动活塞 (6) ，从而使摩擦盘 (12) 接触外板 (8) 。 外板通过花键与车轮 (9) 相连。 摩擦盘和外板间的摩擦力阻止车轮的运动。
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| 图 3 | g00798655 |
(13) 弹簧 (14) 导向装置 | |
驾驶室内的踏板松开时，压力从制动器腔室 (11) 中释放。 固定在活塞 (6) 上的导向装置 (14) 被弹簧 (13) 移动。 活塞 (6) 移动使摩擦盘和外板间分离。 从而允许车轮移动而没有反作用力。
注: 当行车制动器接合时，弹簧被压缩。
行车制动器被来自举倾系统的油冷却。 冷却油经由冷却端口 (3) 流入冷却室 (10) 中。 这部分冷却油流到摩擦盘和外板之间。 当行车制动器接合时，摩擦盘内的环槽允许冷却油流过。 冷却油从冷却端口 (1) 流向举倾系统和制动系统的液压油箱。
可以将测试设备装入螺塞 (5) 的小孔中，以测量行车制动器内的磨损量。
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