High-capacitance capacitor element with high withstand voltage

The utility model discloses a high-capacitance capacitor element with high withstand voltage, and relates to the technical field of capacitors. The capacitor comprises a capacitor body, the upper end of the capacitor body is provided with a voltage adjusting mechanism, and the voltage adjusting mechanism comprises a voltage sensor, a rectangular fixing frame, a motor, a first bevel gear, a second bevel gear, a first screw rod, a rectangular fixing block, a circular sliding rod, a circular resistor, an arc-shaped sliding block and a circular connecting rod. According to the utility model, through the structural design of the voltage adjusting mechanism, voltage adjustment can be effectively carried out, voltage reduction is carried out on the capacitor, the capacitor is prevented from being damaged, and potential safety hazards are reduced; and through mutual cooperation of a first straight gear, a rotating block, a second straight gear, a second screw rod and a circular fixing rod, the position of the mountin