Device and method for disassembling and assembling thrust pad of spring strut type thrust bearing

The invention discloses a device and a method for disassembling and assembling a thrust pad of a spring strut type thrust bearing. The device comprises an internal track, a middle track, an external track and a transfer trolley for supporting the thrust pad to move on each track, the internal track comprises a positioning track on one side and a limiting track on the other side, the positioning track and the limiting track are respectively connected with one end of the middle track, and the other end of the middle track is in butt joint with the external track; the transfer trolley comprises a left fixed wheel carrier, a right fixed wheel carrier, a left supporting wheel and a right supporting wheel, and in the using state, the left fixed wheel carrier, the right fixed wheel carrier, the left supporting wheel and the right supporting wheel are independently installed on the side face of the thrust pad. The device further comprises a tile jacking plug pin used for jacking the thrust tile. Through the structure