Center swivel joint mounting guiding device and center swivel joint mounting method

The invention provides a center swivel joint mounting guiding device and a center swivel joint mounting method. The guiding device comprises a guiding body, wherein the guiding body has a guiding face, the guiding face is provided with an oil port marker representing an oil port position relation of a center swivel joint, the guiding body has a plane state and a stereo state which can be switched, the guiding body in the stereo state is a cylindrical body which is formed through curling and/or bending of the guiding body in the plane state and corresponds to the center swivel joint in shape, and the guiding face forms an outer surface of the cylindrical body; the mounting method is taken the center swivel joint mounting guiding device as a reference, and connection of corresponding oil ports of the center swivel joint is carried out corresponding to the oil port maker of the guiding device. According to the guiding device and the mounting method, the guiding body which can be switched between the plane state and the stereo state is utilized, mounting guiding reference can be provided for mounting and maintaining workers, mounting and maintaining efficiency of the center swivel joint are improved, and an error rate is reduced.