Vibro-replacement gravel pile quakeproof structure for foundation treatment

The utility model discloses a vibro-replacement gravel pile quakeproof structure for foundation treatment, which comprises a pile body, a connecting seat is arranged at the top end of the pile body, a supporting rod is fixedly connected to the middle position of the top end of the connecting seat, a movable sleeve is arranged at the top end outside the supporting rod, and a limiting seat is fixedly connected to the bottom end outside the movable sleeve. A protection structure is arranged outside a buffer spring, during use, the buffer spring is sleeved with a protection leather sleeve, connecting sleeves fixedly connected to the two ends of the protection leather sleeve are fixed to the outer portion of a fixing sleeve through threaded connection, and the sleeving installation positions of the connecting sleeves are limited through an annular limiting plate; therefore, the purpose that the protective leather sheath is stably installed outside the buffer spring is achieved, broken stones can be prevented from