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单柱校正压装液压机
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- 更新时间：2014-08-29
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- 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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