Assembling and disassembling tool for crosshead bearing of piston pump

The utility model relates to an assembling and disassembling tool for a crosshead bearing of a piston pump. The assembling and disassembling tool is characterized in that the assembling and disassembling tool structurally comprises a top screw rod, a hydraulic cylinder fixed to the end of the top screw rod, a compressing disk, a locating bearing clamp plate, a movable bearing clamp plate and a pulling rod, wherein the compressing disk abuts against the hydraulic cylinder and is fixed to the top screw rod through a threaded hole, the locating bearing clamp plate is fixed to the middle portion of the top screw rod, the movable bearing clamp plate is connected to the tail portion of the top screw rod in a threaded mode, and the pulling rod is fastened to the edge of the compressing disk through a nut and is provided with symmetric through holes. By means of the assembling and disassembling tool for the crosshead bearing of the piston pump, the problem that the crosshead bearing of the piston pump is difficult to disassemble and maintain can be effectively solved, under the premise of meeting production and use conditions, the bearing is protectively assembled, disassembled and prevented from being damaged, labor intensity is effectively lowered, and the maintenance efficiency is improved.