Assembling device of piston rod sealing part

The invention discloses an assembling device of a piston rod sealing part and belongs to the field of automobile manufacturing. The assembling device comprises an assembling platform, an assembling bracket, an oil cylinder, a fixing device, an assembling pressing sleeve and a wrench with a handle; a reversed-T-shaped sliding groove is formed in the assembling platform; the assembling bracket comprises supporting columns and a supporting transverse beam; four supporting columns are arranged and are distributed at four corners of the supporting transverse beam; the bottoms of the two supporting columns at the same end of the supporting transverse beam are connected through a connecting plate; a reversed-T-shaped sliding plate is arranged at the bottom of the connecting plate; the supporting transverse beam is provided with a through hole for assembling the oil cylinder and a bolt hole for fixing the oil cylinder; the fixing device comprises a bottom plate, a long screw rod, a locking buckle and a pin shaft. The