Fixing device and method for accurately mounting valve seat

• Main Authors: WANG LEIGANG, SUN ZHENGXU, HAN JIE, TAN JIN, JIANG WENJIE, LIAO MING, JIAO SHOUCHAO, FU XINGCHENG, XIA SONGHAO, RUAN HANGZHE, WANG JUN, JIN FEI, GAN WANXIAN, PEI XUEQIANG, LI TAO
• Format: Patent
• Language: Chinese; English
• Published: 13.08.2019
• Subjects: ACTUATING-FLOATS; BLASTING; COCKS; DEVICES FOR VENTING OR AERATING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; TAPS; THERMAL INSULATION IN GENERAL; VALVES; WEAPONS

The invention discloses a fixing device and a method for accurately mounting a valve seat, and belongs to the technical field of valve seat mounting. The fixing device comprises a plurality of groupsof first fixing pieces and second fixing pieces which are matched with each other; each first fixing piece sequentially comprises a first threaded connection part, an extension shaft and a first operating part which are connected with a threaded hole of a valve body; a first connecting platform is arranged at one end of the first threaded connecting part which is connected with the extension shaft; each second fixing piece comprises a second threaded connecting part and a second operating part which are simultaneously connected with the threaded hole of the valve body and a threaded hole of the valve seat; each second fixing piece is provided with a center through hole matched with the extension shaft; a second connecting platform matched with the first connecting platform is arranged at one end of the second thre