Automobile exhaust pipe inner wall carbon deposition cleaning device

The utility model discloses an automobile exhaust pipe inner wall carbon deposition cleaning device, and relates to the technical field of exhaust pipe cleaning. A second clamping plate is fixedly connected to the lower surface of the telescopic cylinder, a first clamping plate is arranged at the lower end of the second clamping plate, penetrating holes are formed in the peripheral side face of the telescopic column, sliding columns are arranged in the penetrating holes, and a mounting plate is arranged at one end of each sliding column. A driving motor is arranged at one end of the mounting plate, a motor shaft is arranged at one end of the driving motor, and a cleaning brush is fixedly mounted at one end of the motor shaft. By arranging the first clamping plate and the second clamping plate, the first clamping plate, the second clamping plate and the exhaust pipe are clamped during use and are clamped and fixed through the fixing screws, then the telescopic motor and the driving motor are started to drive t