The invention relates to a device and equipment used for centering a steering wheel. The device comprises a bracket, a rotating motor mounted on the bracket and a mark stamping device, wherein a steering wheel of a steering system is provided with a first limit deflection position, a straightening position and a second limit deflection position; an output shaft of the rotating motor is used for being in transmission connection with a steering pipe column of the steering system to drive the steering wheel to be in reciprocating steering between the first limit deflection position and the second limit deflection position; and the mark stamping device is used for stamping a mounting mark on the steering pipe column when the steering wheel is in the straightening position. Through the adoption of the manner of the device and equipment disclosed by the invention, the assembling accuracy and the assembling efficiency of the steering wheel can be improved, the assembling total productive hours can also be reduced, and the human labor cost and the manufacturing cost are saved.