The utility model relates to a grading and shielding ring connector. The connector comprises a first clamping sleeve and a second clamping sleeve connected via a screw, and both ends of the first clamping sleeve and/or the second clamping sleeve are provided with clamping slots matched with fixed welding plates at the end part of a grading and shielding ring. The grading and shielding ring connector provided by the utility model is applicable to transmission and transformation projects in high-altitude regions and has simple and beautiful structure and convenience for installation and use; the corona discharge of the grading and shielding ring can be effectively prevented, the communication quality of communication facilities is ensured, the loss of electric energy by coronas is lowered, and power resources are economized.