Sealing structure for reciprocating grate push rod through-wall position

The utility model relates to the technical field of boiler reciprocating grate push rod structures, in particular to a sealing structure for a wall penetrating position of a reciprocating grate push rod, which can simplify installation operation and solve the problem of air leakage and comprises a steel plate housing and a push rod, and a first through hole for one end of the push rod to penetratethrough is formed in the steel plate housing. A connecting pipe is installed at the position of the through hole, the end of the connecting pipe is fixedly welded to one end of a non-metal expansionjoint, the other end of the non-metal expansion joint is fixedly welded to a flange, and the other end of the push rod penetrates through a second through hole in the flange and is fixedly connected with the flange. 本实用新型涉及锅炉往复炉排推杆结构技术领域，具体为一种用于往复炉排推杆穿墙处的密封结构，其能够简化安装操作，解决漏风问题，其包括钢板罩壳和推杆，所述钢板罩壳上开设有用于所述推杆一端穿过的第一通孔，其特征在于，所述通孔处安装有接管，所述接管端部与非金属膨胀节一端焊接固定，所述非金属膨胀节另一端与法兰焊接固定，所述推杆另一端贯穿所述法兰上的第二通孔并与所述法兰固定连接。