手动齿条式插板阀结构改进

Improvement on structure of cylindrical gear actuator rack type board plug valve

分析了原手动齿条式插板阀的结构缺陷 ,提出了改进措施 ,阐述了改进后阀门的结构特点。

This article is to analyze the disadvantage of original cylindrical gear actuator rack type board plug valve, given the improvement of it and introducing the structural characteristics of reformative of it..