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单柱校正压装液压机
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  • 单柱校正压装液压机
  • 摘 要

    Y41系列单柱校正压装液压机,是一种多功能的中小型液压机床,适用于轴类零件,型材的校正和轴套类零件的压装。它采用手脚联动操作,通过电动机带动液压泵向主油路供油,通过溢流阀,手动换向阀等控制阀对液压系统进行调压换向,以达到各种工作状态。
    该液压机结构紧凑,动作灵敏可靠,速度快,能耗小,噪音低,压力和行程可在规定的范围内任意调节,操作简单。在本设计中,通过查阅大量文献资料,设计了液压缸的尺寸,拟订了液压原理图。按压力和流量的大小选择了液压泵,电动机,控制阀,过滤器等液压元件和辅助元件。


    关键词:液压机 液压系统 调速回路;

    目 录

    摘要··········································································Ⅰ
    Abstract·····································································Ⅱ

    第1章 绪论·································································1
    1.1 课题背景·····························································1
    1.2 发展趋势·····························································1
    第2章 方案论证···························································3
    2.1 传动方案的论证·····················································3
    2.2 控制元件的分析·····················································4
    第3章 液压机的设计及参数选择·········································5
    第4章 工况分析···························································6
    4.1 动力(负载)分析及负载循环图··································6
    4.1.1 摩擦负载······················································6
    4.1.2 惯性负载······················································6
    4.1.3 工作负载······················································7
    4.1.4 负载循环图···················································8
    4.2 运动分析及运动循环图·············································8
    4.2.1 位移循环图L—t·············································8
    4.2.2 速度循环图···················································9
    第5章 确定液压系统主要参数··········································10
    5.1 确定液压缸几何尺寸··············································10
    5.2 计算液压缸所需流量··············································13
    5.3 计算系统所需的压力··············································13
    5.4 绘制冲压机主缸工况图···········································15
    5.5 液压缸主要零件的结构材料及技术要求·························17
    5.5.1 液压缸的基本参数··········································17
    5.5.2 液压缸的类型和安装方式··································18
    5.5.3 液压缸的主要零件及技术要求·····························18
    5.6 液压缸结构参数的计算···········································19
    5.6.1 计算液压缸的厚度··········································19
    5.6.2 液压缸油口的计算··········································21
    5.6.3 缸底厚度的计算·············································21
    5.7 液压缸的校合······················································22
    5.7.1 液压缸中背压力的校合·····································22
    5.7.2 活塞杆的校合···············································23
    第6章 拟订液压原理图··················································24
    第7章 液压元件和液压油的选择········································26
    7.1 液压泵的选择······················································26
    7.1.1 确定泵的最大工作压力·····································26
    7.1.2 确定液压泵的流量Q和排量q···························27
    7.1.3 选择液压泵的规格··········································28
    7.1.4 确定驱动液压缸的功率·····································28
    7.2 电动机的选择······················································29
    7.3 控制阀的选择······················································29
    7.4 管道(导管)的选择·················································31
    7.4.1 管道内径的确定·············································31
    7.4.2 管道壁厚b的计算···········································32
    7.5 确定油箱的容量···················································33
    7.5.1 液压油的选择···············································34
    7.5.2 过滤器的选择···············································34
    7.6 联轴器的设计·····················································34
    第8章 液压系统的性能验算·············································36
    8.1 管路系统压力损失·················································36
    8.1.1 沿程压力损失的计算·······································37
    8.1.2 管路内的局部压力损失·····································38
    8.1.3 阀类元件的局部压力损失··································38
    8.2 液压冲击的计算···················································39
    8.3 液压系统热分析及其计算·········································41
    8.3.1 液压泵功率损失产生的热流量(热量)·····················41
    8.3.2 液压系统的散热计算·······································42
    第9章 限程装置的设计··················································44
    第10章 机架的设计······················································45
    10.1 机架材料的选择··················································46
    10.2 肋的作用··························································46
    第11章 液压系统的安装与调试·········································47
    11.1 液压系统的安装··················································47
    11.1.1 安装前的准备工作·········································47
    11.1.2 管子加工···················································47
    11.2 液压系统的调试··················································48
    11.2.1 调试前的检查··············································48
    11.2.2 启动液压泵·················································48
    11.2.3 系统排气···················································49
    11.2.4 系统耐压实验··············································49
    12.2.5 负载试车···················································49

    结论··········································································50
    致谢··········································································51
    参考文献·····································································52 ...
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