CT bulb tube accurate adjusting device and adjusting method

The invention relates to the field of CT bulb tube manufacturing, in particular to a CT bulb tube accurate adjusting device and adjusting method. The device comprises a bulb tube support for mountinga CT bulb tube and a CT rotor, a guide rail arranged in the Z direction is fixedly connected to the bulb tube support. Parallelogram slide blocks are arranged on the guide rails; bulb tube fixing plates fixedly connected with the bulb tube are tightly attached to the two sides of the parallelogram sliding block in the X direction; connecting plates are arranged on the two sides of the parallelogram sliding block in the Z direction. Two ends of the connecting plate are fixedly connected with the bulb tube fixing plate; a first screw hole and a second screw hole are formed in the connecting plate, Z-direction adjusting screws abutting against the guide rail are arranged in the first screw hole, X-direction adjusting screws abutting against the parallelogram sliding block are arranged in thesecond screw hole, the two