R1600G Load Haul Dump Steering System Caterpillar


Secondary Steering System

Usage:

R1600G 9YZ



图 1g03344776

转向系统液压示意图

(1) 左转向油缸

(2) 右转向油缸

(3) 制动器释放油缸

(4) 转向释放分流器阀

(5) 单向阀

(6) 制动器释放系统测压口

(7) 制动器释放顺序阀

(8) 连接至停车制动器的管

(9) 转向控制阀

(10) 抢修钩型制动器释放系统接头

(11) 管路安全和补偿阀

(12) 管路安全和补偿阀

(13) 机具和转向空档器阀

(14) 停车制动器机油压力开关 - 变速箱电子控制装置

(15) 停车制动器机油压力开关 - 远程控制指示灯

(16) 分解器

(17) 压力补偿滑阀

(18) 转向先导控制阀

(19) 停车制动器和先导系统测压口

(20) 安全阀

(21) 停车制动器控制阀

(22) 连接至停车制动器的管

(23) 卸载阀

(24) 安全阀

(25) 滑阀

(26) 转向系统测压口

(27) 单向阀

(28) 左空档器阀

(29) 单向阀

(30) 右空档器阀

(31) 孔

(32) 液压油冷却器

(33) 转向先导系统测压口

(34) 转向先导减压阀

(35) 选择器和压力控制阀

(36) 辅助转向分流器阀(如有配备)

(37) 单向阀

(38) 来自机具提升回路的管

(39) 主转向流量开关(如有配备)

(40) 先导油减压阀

(41) 液压油箱

(42) 便携式液压泵快速连接器

(43) 连接到制动蓄能器充油阀的管

(44) 辅助转向泵(如有配备)

(45) 断路器安全阀

(46) 便携式液压泵快速连接器

(47) 制动和先导泵

(48) 转向泵

(49) 机具泵

(50) 液压油滤清器

(51) 单向阀

选装的辅助转向系统的作用为:

  • 在主泵系统中发生故障时向转向系统供应机油

  • 或在机器移动且发动机停机时向转向系统供应机油

辅助转向系统的主要部件有:辅助转向泵 (44) 、辅助转向分流器阀 (36) 和主流量开关 (39) 。

辅助转向泵 (44) 安装在变速箱前部上,与变速箱输出分动器相连。 辅助转向分流器阀 (36) 安装在辅助转向泵 (44) 的侧面上。 辅助转向泵 (44) 是一个在机器行驶时转动的行驶速度驱动泵。

发动机运转时,转向泵 (48) 向辅助转向分流阀 (36) 供应机油。 机油经过辅助转向分流器阀 (36) 流至转向控制阀 (9) 。

机器开始移动时,辅助转向泵 (44) 也开始转动。 当泵 (44) 转动时,液压油箱 (41) 中的机油被吸出。 然后,泵 (44) 将辅助转向泵油输送至辅助转向分流器阀 (36) 。

随着机器的移动,辅助转向分流器阀 (36) 将辅助转向泵油送回至液压油箱 (41) 。 转向泵 (48) 将全部机油输送至转向控制阀 (9) 。 如果转向泵 (48) 发生故障,或发动机停机,则辅助转向分流器阀 (36) 会将机油从辅助转向泵 (44) 引导至转向控制阀 (9) 。

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