Valve inspection and replacement well assembly

The utility model relates to a valve inspection and replacement well assembly. Wherein the upper end of the well body is open, and the well body is covered with the protective cover. Wherein the valveis arranged in the well body, and the conveying pipe penetrates through the side wall of the well body and is communicated with a valve body of the valve. The well assembly further comprises a supporting table arranged below the valve body, an air bag fixed to the supporting table, a supporting plate connected to the upper portion of the air bag, a left branch pipe and a right branch pipe, the air bags are divided into a left air bag and a right air bag which are arranged in the axial direction of the valve body, the supporting plate is an arc-shaped plate matched with the side wall of the valve body, and the axis of the supporting plate and the axis of the valve body are collinear. Lifting of the supporting plate and adjustment of the inclination angle are achieved through inflation anddeflation of the left air