Vibrating spear

A vibrating spear, comprising:

• a first body, comprising a bearing portion and a first connecting portion protruding from the bearing portion;
• a second body, comprising a second connecting portion and a hooking portion arranged on the second connecting portion, wherein the second connecting portion is rotationally connected to the first connecting portion, and the second connecting portion is provided with a sliding groove in a thickness direction thereof;
• and
• a turning assembly, comprising a motor and an eccentric part, wherein the motor is arranged in the bearing portion, one end of the eccentric part is arranged on an output shaft of the motor, and the other end thereof stretches into the sliding groove;
• the eccentric part comprises an eccentric shaft, and the eccentric shaft extends into the sliding groove;
• when the eccentric shaft moves, the eccentric shaft pries the second body to rotate to an axis side of the eccentric shaft to be attached to a first stopping surface or a second stopping surface;
• and
• wherein the second connecting portion is provided with the first stopping surface and the second stopping surface that stop the eccentric part at an opening of the sliding groove, and an included angle between the first stopping surface and the second stopping surface is 25-35°.