目

  录

  

目 录

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

液压缸维修技术标准

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

1  总则...........................................................................................................................................3
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引用标准

..................................................................................................................................4

3  各部分常用材料及技术要求...................................................................................................5

3.1 

缸筒的材料和技术要求

..............................................................................................5

3.2 

活塞的材料和技术要求

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

3.3 

活塞杆材料和技术要求

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

3.4 

端盖的材料和技术要求

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

4 液压缸的检查..........................................................................................................................10

4.1 

缸筒内表面

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

4.2 

活塞杆的滑动面

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

4.3 

密封

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

4.4 

活塞杆导向套的内表面

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

4.5 

活塞的表面

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

4.6 

其它

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

5 液压缸的装配..........................................................................................................................13
6 液压缸实验..............................................................................................................................15

附表 1 检查项目和质量分等（摘录 JB/JQ20301-88）...........................................................16
附表 2 螺栓和螺母最大紧固力矩(仅供参考)..........................................................................17
附表 3 螺纹的传动力和拧紧力矩.............................................................................................18

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