The utility model discloses a capacitance graded bushing dish spring combination closing device, including top board, holding down plate and a plurality of pillar, wherein, the upper end of each pillar is connected with the bottom of top board, and the lower extreme of each pillar is connected with the upper portion of holding down plate, and each pillar along circumference even spacing distribution, and first through -hole has been seted up at the middle part of holding down plate, each pillar and lower pressure plate connected's position and interval between the first through -hole equals that during the use, the top board is connected with the press, and the holding down plate passes through first through -hole cup joints on waiting to compress tightly the spring plate of capacitance graded bushing dish spring combination, and the device can make the spring plate atress even at the in -process that compresses tightly the combination of capacitance graded bushing dish spring.