Quartering hammer with long service life

The utility model relates to the technical field of quartering hammers, and discloses a quartering hammer with long service life, which comprises a quartering hammer, the quartering hammer comprises a shell and a stone crushing device, the stone crushing device is arranged in the shell, the shell comprises a shell, a supporting plate and a sliding chute, the supporting plate is arranged at the top end of the shell, and the sliding chute is arranged on the outer surface of the shell. The stone crushing device comprises a telescopic rod, a supporting rod, a coupler, a stone crusher, a connecting rod, a spring, a clamping block, a fixing block and a dustproof cover, the telescopic rod is installed in the shell, the supporting rod is installed at the bottom end of the telescopic rod, the coupler is installed at the bottom end of the supporting rod, the stone crusher is installed at the bottom end of the supporting rod, the connecting rod is installed on the side edge of the telescopic rod, and the spring is insta