目 录

一、

设计任务书

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二、

液压系统性能和参数的初步确定

.................................................................................... 1

1.

运动分析

.............................................................................................................................1

2.

液压缸的负载分析

.............................................................................................................2

3.

初步确定液压缸的参数

.................................................................................................... 3

1)

滑台液压缸

.................................................................................................................3

2)

工况图

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三、

液压系统方案的选择和拟定

............................................................................................ 6

1.

选择液压基本回路

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1)

调速回路

.....................................................................................................................6

2)

快速运动回路与速度换接回路

................................................................................ 6

3)

压力控制回路

.............................................................................................................7

4)

行程终点的控制方式

................................................................................................ 9

2.

拟定液压系统图

.................................................................................................................9

四、

各液压元件的计算和选择

.............................................................................................. 10

1.

确定液压泵规格和电动机的功率

.................................................................................. 10

1)

液压泵工作压力的计算

.......................................................................................... 10

2)

液压泵流量的计算

.................................................................................................. 10

3)

液压泵规格的确定

.................................................................................................. 10

4)

液压泵电动机功率的确定

...................................................................................... 11

2.

控制阀的选择

...................................................................................................................11

3.

管道尺寸

...........................................................................................................................12

4.

油箱容量

...........................................................................................................................12

五、

液压系统性能的验算

...................................................................................................... 12

1.

静态特性的验算

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1)

回路中的压力损失

.................................................................................................. 12

2)

液压泵的工作压力

.................................................................................................. 16

3)

液压回路和液压系统的效率

.................................................................................. 17

2.

液压系统发热验算

...........................................................................................................18

六、

液压集成块装置设计

...................................................................................................... 18

七、

参考文献

...........................................................................................................................18