Steel lantern ring mechanism for repairing sewage main pipe network

The invention discloses a sewage main pipe network repairing steel lantern ring mechanism which comprises two steel lantern rings which are symmetrically arranged up and down, slurry grooves are formed in the two steel lantern rings, grouting holes are formed in the steel lantern rings, the two steel lantern rings are connected through a connecting mechanism, and the connecting mechanism comprises a fixing piece and two locking rods. The two ends of the fixing piece are each provided with a screw opening, the locking rods are inserted into the screw openings, the inner walls of the steel lantern rings are provided with locking grooves corresponding to the locking rods, and the outer surfaces of the two steel lantern rings are coated with anti-corrosion paint. And the engineering construction risk is effectively reduced. 本发明公开了一种污水主管网修复钢套环机构，包括上下对称设置的两个钢套环，两个所述钢套环内均设有浆槽，所述钢套环上设有注浆孔，两个所述钢套环之间通过连接机构连接，所述连接机构包括固定片与两个锁紧杆，所述固定片的两端均设有螺口，所述锁紧杆插设在螺口内，所述钢套环的内壁上设有与锁紧杆对应的锁紧槽，两个所述钢套环的外表面均涂覆有防腐涂料，本发明通过在管道塌陷位置设置钢套环代替钢板桩支护能够