Dismounting device for valve seat ring in gas engine

The invention discloses a dismounting device for a valve seat ring in a gas engine, the dismounting device comprises a threaded rod, a first base, a clamping assembly and a fastening nut, the first base is arranged at one end of the threaded rod, and the first base is suitable for being placed at the lower part of the valve seat ring; the threaded rod is sleeved with the clamping assembly, and the clamping assembly can abut against the first base. The threaded rod is sleeved with the fastening nut, the fastening nut can abut against the clamping assembly, and the clamping assembly can clamp the valve seat ring by rotating the fastening nut. According to the dismounting device, the fastening nut is screwed in, the fastening nut presses the clamping assembly, the clamping assembly can clamp the part of the valve seat ring between the first base and the clamping assembly, the valve seat ring can be dismounted by moving the threaded rod, the dismounting device is easy to operate, one worker can complete independe