Electric linear reciprocating motion type portable bolt cleaning brush

The utility model discloses an electric linear reciprocating motion type portable bolt cleaning brush which comprises a power mechanism, a brush head, a brush head, a brush head, a brush head, a brushhead and a brush head. The motion conversion mechanism comprises a crankshaft and a second bevel gear, one end of the crankshaft is provided with the second bevel gear, the second bevel gear is meshed with the first bevel gear, the other end of the crankshaft is provided with a crank, and the crank penetrates through a steel plate provided with a sliding groove; and the cleaning mechanism comprises a telescopic rod and a brush, one end of the telescopic rod is connected with the steel plate, and the other end of the telescopic rod is connected with the brush. According to the cleaning brush,bolts do not need to be fixed, the cleaning machine does not need to be adjusted according to the bolts of different specifications, the cleaning efficiency and the cleaning effect are improved, and the cleaning brush is pract