Dismounting device for sealing structure of high-pressure container

The invention discloses a dismounting device for a sealing structure of a high-pressure container, the dismounting device comprises a threaded compression ring dismounting device and a sealing head dismounting device, the threaded compression ring dismounting device comprises a supporting disc, a steel ball roller and an oil cylinder, the steel ball roller and the oil cylinder are arranged on the supporting disc, and an annular weighing sensor is arranged between the oil cylinder and the supporting disc; the sealing head dismounting device is installed on the threaded pressing ring and comprises a supporting plate, a fixing plate and a bearing bolt, the supporting plate and the fixing plate are connected through a pivotal bearing, the bearing bolt is connected with the fixing plate through a threaded sleeve, and the supporting plate is used for being fixed to the threaded pressing ring. Supporting force is provided for the threaded pressing ring through the supporting disc and the oil cylinder, and barrel thr