空调用截止阀抗扭强度分析与试验研究  

Torsional strength of globe valve for air conditioner and test

作　　者：陈狄永 贺宇辰 陈永杰 刘俊 周峰 张克鹏 Chen Diyong;He Yuchen;Chen Yongjie;Liu Jun;Zhou Feng;Zhang Kepeng(Zhejiang Dun'an Artificial Environment Co.,Ltd.;College of Energy Engineering,Zhejiang University)

机构地区：[1]浙江盾安人工环境股份有限公司 [2]浙江大学能源工程学院

出　　处：《制冷与空调》2022年第6期39-43,共5页Refrigeration and Air-Conditioning

摘　　要：为获得空调用铜制截止阀阀体最小厚度处最大等效应力与盖帽螺母的拧紧力矩关系,利用非线性有限元求解器软件ABAQUS进行仿真计算,并通过测试盖帽螺母变形量对仿真计算结果进行试验验证,仿真与测试偏差均在5%以内,证明仿真数据可靠。研究结果表明:截止阀最小壁厚处达到该截止阀材料屈服强度时,盖帽螺母的拧紧力矩为28.8N·m,满足标准要求;截止阀阀体应力达到材料抗拉强度时,盖帽螺母的拧紧力矩为113.7N·m。该分析可以为空调用铜制截止阀的设计提供参考,避免阀体最小壁厚不足导致的安装过程阀体破坏问题。In order to obtain the relationship between the maximum equivalent stress at the.minimum thickness of a copper globe valve for air conditioner and the tightening torque of cap nut,nonlinear finite element solver software ABAQUS is used for simulation calcula-tion.Through testing the deformation of the cap nut,the simulation results are verified,and the simulation and test deviations are within 5%,proving the reliability of the simula-tion data.The study results show that when the minimum wall thickness of globe valve reaches the yield strength of the globe valve material,the tightening torque of cap nut is 28.8 N·m,which meets the standard requirements.When the stress of globe valve body reaches the material tensile strength,the tightening torque of cap nut is 113.7 N.m.The.analysis can provide reference for the design of copper globe valve for air conditioner and avoid the damage of valve body caused by insufficient minimum wall thickness during the installation.

关 键 词：空调 截止阀 拧紧力矩 仿真 试验 

分 类 号：TB6[一般工业技术—制冷工程]