Multi-angle swinging and spraying scrap remover for connecting bolt of vehicle brake drum

The utility model discloses a multi-angle swinging and spraying scrap remover for a connecting bolt of a brake drum for a vehicle. Two groups of injection units, the spraying unit comprises a sprayingpipe, a spraying head and a motor; the injection pipe comprises a peripheral pipe arranged in a circle and a main pipe located at one end of the peripheral pipe. A water inlet is formed in the main pipe; the spraying heads are uniformly arranged on the inner side of the peripheral pipe; the motor is connected with a main pipe through an output shaft; the motor drives the main pipe to alternatelyrotate clockwise or anticlockwise for a certain angle, so that the peripheral pipe is in a swinging state; the peripheral pipes of one set of spraying units swing within the swing space range of the peripheral pipes of the other set of spraying units, the main pipes of the two sets of spraying units are coaxial, the swing directions of the peripheral pipes are opposite, a telescopic pipe capable of changing the spraying an