Diverter Valve (Secondary Steering)
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| 图 1 | g02528258 |
分流器阀 (1) 出口 (2) 主泵进口 (3) 单向阀 (4) 分流器滑阀 (5) 单向阀 (6) 辅助转向泵进口 (7) 流量开关出口 (8) 液压油箱回油通道 (9) 安全阀 (10) 弹簧 (11) 负载感应室 (12) 负载感应进口 | |
以下部件是分流器阀的主要部件：分流器滑阀 (4), 单向阀 (3) 和 (5) 和 安全阀 (10) 。
发动机运行时，油从主泵流过进口 (2) 。 油的作用力打开单向阀 (5) ，从而允许油从出口 (1) 流向转向控制阀。 这些油还使单向阀 (3) 处于关闭位置并向下推动分流器滑阀 (4) 。 滑阀的移动使辅助转向泵的进口 (6) 与液压油箱回油道 (8) 连通。 来自辅助转向泵的油随后循环流向油箱。
如果主泵出现故障，则单向阀 (3) 后面的压力降低。 分流器滑阀 (4) 在弹簧力 (10) 和负载感应室 (11) 内负载压力的合力作用下向上移动。 从进口 (6) 到油箱端口 (8) 的通路关闭。 来自辅助转向泵的油强制通过单向阀 (3) 。 这部分油随后流向转向控制阀。
主转向泵或相关液压管路的故障由流量开关感应。 此流量开关控制驾驶室内的电路，它通过向驾驶室发送警告信号向操作员发出故障报警。
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