RM-500 Road Reclaimer/Soil Stabilizer Machine Systems Caterpillar


Control Valve (Parking and Rotor Brake Release)

Usage:

RM-500 ASW



图 1g01268814

机器左视图

(1) 蓄能器

(2) 分流器阀

(3) 压力开关

(4) 针阀

(5) 减压阀

(6) 测压口(端口 "G")

制动器释放歧管位于机器左侧,操作台后面。

当发动机罩歧管上的分流器电磁阀断电且附件泵操作时,油流向制动器释放歧管的端口 "P"。 这些油流向下述部件:蓄能器 (1), 分流阀 (2) 和 压力开关 (3) 。

蓄能器 (1) 存储液压压力。 当手动释放制动器时,蓄能器维持停车制动器回路或转子制动器回路中的压力。

分流阀 (2) 是一个简单的门阀。 当阀沿逆时针方向转到底时,油从附件泵流向停车制动器回路。 当阀沿顺时针方向转到底时,油从附件泵流向转子制动器。

压力开关 (3) 感应制动器释放歧管的端口 "P" 的压力。 此压力开关为常闭。 压力开关位于附件继电器线圈的接地回路中。 当压力开关闭合时,附件马达可以操作。 当压力开关开启时,附件马达无法操作。 压力开关控制蓄能器充压功能的接通压力和切断压力。

针阀 (4) 必须闭合,以便使用附件系统来释放停车制动器。 当阀沿顺时针方向转到底时,阀闭合。

减压阀 (5) 将停车制动器回路中的最大压力限制为 3800 ± 345 kPa (550 ± 50 psi)。 在位于歧管端口 "G" 的测压口 (6) 处可以测量制动器释放压力。

Caterpillar Information System:

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