air motor

In view of taking down the hinge pin of hydraulic support,developed the pneumatic puller on the basis of usual hammer puller,pneumatic wrench and screw pair drive.

针对液压支架铰接销拆卸难的问题,在普通锤式助拔器的基础上,利用风动扳手和螺旋副传动,研制了风动助拔器。

Calculation of the blast momentum in ironmaking;

关于炼铁鼓风动能的计算

The descriptions of the formula of blast momentum in some ironmaking literatures are reviewed.

作者收集了一些炼铁专业书籍中关于鼓风动能的公式,发现在其表述上存在英雄模范些问题,如鼓风质量与鼓风重量概念的模糊,鼓风压力单位运用的错误等等,这些都将影响鼓风动能计算的正确性。

The parameter optimization design method of the mine pneumatic pump;

矿用风动水泵结构参数优化设计方法

Optimum design on turbine blade of mine pneumatic pump based on Pro/Engineer;

基于Pro/Engineer的风动水泵叶片结构优化设计