It is divided into ripper for excavator and ripper for bulldozer. The Excavator rock ripper is also called bucket hook, and the Bulldozer ripper is also called tail hook. An integrally cast ripper tooth with ear holes on the upper part is hinged to the bucket rod and bucket cylinder respectively. The front end of the tooth tip has a hard alloy surfacing tooth cap. When the piston rod of the hydraulic cylinder is extended, push the tooth tip to forcefully insert it. and turn the soil. It is used for excavating cracked rock, breaking frozen soil, and also for excavating asphalt pavement.