上卸钢液压缸密封结构与性能的改进

Improvement of seal structure and performance of the up unloading hydraulic cylinder

分析液压缸使用V形密封圈不能适应工作环境满足工作要求的原因，通过查找资料选用有双向密封作用的格莱圈代替V形密封圈，取得了较好的效果。

This article analyzes the cause why the V-ring in the hydraulic cylinder can＇t adapt working environment and meet the operation requirements. According to the information, the double-acting Glyd ring is used to substitute the V-ring, thereby achieving very good results.