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一.挖掘机的功能结构简介
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有关散热器部分
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• 一.挖掘机的功能结构简介 • 二.挖掘机中的液压油路 • 三. 挖掘机中的液压元件
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实例
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先导系统
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具体布置
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二.挖掘机中的液压油路
1.液压系统的类型 按液压泵的特性可分为：定量系统，变量系统 按流量控制方式分为：简单节流控制，负流量控制，正流 量控制，负载敏感控制 按液压循环方式分为：开式系统和闭式系统
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简单的液压油路
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液压挖掘机中液压油路
苏忠浩 20150717
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பைடு நூலகம்
工作路径
• 行走动力传输路线：柴油机—联轴节—液压泵（机械能转化为 液压能）—主阀—中央回转接头—行走马达（液压能转化为机 械能）—减速箱—驱动轮—轨链履带—实现行走 • 回转运动传输路线：柴油机—联轴节—液压泵（机械能转化为 液压能）—主阀—回转马达（液压能转化为机械能）—减速箱 —回转支承—实现回转 • 动臂运动传输路线：柴油机—联轴节—液压泵（机械能转化为 液压能）—主阀—动臂油缸（液压能转化为机械能）—实现动 臂运动 • 斗杆运动传输路线：柴油机—联轴节—液压泵（机械能转化为 液压能）—主阀—斗杆油缸（液压能转化为机械能）—实现斗 杆运动 • 铲斗运动传输路线：柴油机—联轴节—液压泵（机械能转化为 液压能）—主阀—铲斗油缸（液压能转化为机械能）—实现铲 斗运动
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实例
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330LC-8B
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