摘要
分析了防止阀杆吹出的阀体颈部位置及四开环承受的载荷,提出了拉伸、挤压、剪切和弯曲应力的计算公式及限制条件,论述了防止阀颈局部应力集中的措施。
The paper analyses the neck position of valve body of anti - blow out and the load of the four open ring, puts forward the calculation formula and restrictive conditions of tension, extrusion, shear, bending stress and the measures to prevent stress from concentration.
出处
《阀门》
2018年第1期4-5,30,共3页
VALVE MAGAZINE
关键词
球阀
阀杆
四开环
强度设计
ball valve
valve stem
four - open ring
strength design
