D10T2 Track-Type Tractor Systems Caterpillar


Control Manifold (Implement Lockout)

Usage:

D10T2 JJW



图 1g03342285

先导歧管

(1) 机具锁定阀

(2) 先导歧管

(3) 蓄能器

(4) 泵供油

(5) 液压先导供油

(6) 油箱或先导排油

(EE) 气压

(FF) 启用部件

(GG) 油箱压力

(PP) 一次减压

(RR) 先导减压

(AP) 蓄能器压力

(HPS) 先导供油压力




图 2g03342357



图 3g03342796

机具控制阀

(7) 电磁阀

(8) 至机具控制阀的油道

(9) 至液压油箱的油道

先导锁定阀 (1) 的主要目的是提供一种停用机具系统先导控制的方法。 先导锁定阀 (1) 中的电磁阀 (7) 通过阻断先导供油油道 (4) 并将下游先导油 (6) 排放到油箱来实现这一点。 锁定阀 (1) 的辅助功能是提供连接点和方法,以便将先导蓄能器 (3) 连接到先导锁定阀 (1) 的正确侧面。 先导锁定阀 (1) 包括一个单向阀,可在机器停机时,防止蓄能器 (3) 立刻进行排放。 先导锁定阀 (1) 还提供充油压力传感器的连接位置。

机具锁定阀 (1) 位于先导歧管 (2) 中。

当机器接通,机具锁定开关处于断开(解锁)位置时,电磁阀 (7) 通电。 当发动机转速低于 800 rpm 且没有指令机具移动时,电磁阀 (87) 断电。 当电磁阀 (8) 通电时,阀将先导油引导至油道 (6) 。 此时,先导供油流过机具控制阀阀组的中间歧管。 先导供油油轨将先导供油分配到每个机具控制阀的任意一端。

如果操作员将驾驶室中的机具锁定开关移到接通锁定位置,电磁阀 (7) 将断电。 机具锁定阀 (1) 将会关闭。 来自机具控制阀的先导供油通过油道 (6) 回到液压油箱。

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