The utility model discloses a cost is lower, and the synchronism is better, adaptable multiple transported substance's no differential conveyer with adjustable add and hold width. It includes motor and controller, driving sprocket, the steering gear of spiral bevel gear, flexible universal joint, adds and hold the link joint, adds and holds the special sprocket of chain, transfers wide seat and drive shaft, motor and controller and driving sprocket link to each other, it is used for adjusting two conveying unit that parallel with holding the width to transfer to install on wide, every conveying unit include one by a plurality of conveyer belts hold the link joint concatenation and to form that add, the local below of holding the link joint that adds is connected with and is used for driving adding of conveyer belt motion and holds the special sprocket of chain on the conveyer belt, every adds holds the special chain of chain and takes turns to and all be connected with the drive shaft, drive shaft and flexible universal joint flexonics, flexible universal joint and spiral bevel gear steering gear flexonics, the power take off end of the steering gear of spiral bevel gear and motor and controller is through the transmission of chain looks.