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弹簧是安全阀中不可缺少的零件,其刚度对安全阀工作的稳定性影响很大。为检测弹簧刚度,保证安全阀性能,设计了一种简易的弹簧刚度检测装置(图1)。1·下弹簧座2·双头螺栓3·支撑套4·试压弹簧5·活塞6·平垫圈7·螺母8·压力表9·压力表接头10·试压泵接头11·活塞缸12·复合O
Spring is an indispensable part of the safety valve, the stiffness of the safety valve work great influence on the stability. In order to test the spring stiffness and ensure the safety valve performance, a simple spring stiffness detection device was designed (Fig. 1). 1 · Lower spring seat 2 · Stud bolt 3 · Support sleeve 4 · Pressure test spring 5 · Piston 6 · Flat washer 7 · Nut 8 · Pressure gauge 9 · Pressure gauge connector 10 · Test pressure pump connector 11 · Piston cylinder 12 · Compound O