Simple anti-shaking device

The invention relates to a simple anti-shaking device, and relates to the field of chimney design and construction. The simple anti-shaking device comprises a lug plate structure, an anti-shaking sliding groove structure and an anti-shaking sliding frame. The lug plate structure comprises a lug plate arranged on the cylinder wall of an inner cylinder and a lug plate fastening piece arranged on the lug plate. The anti-shaking sliding groove structure comprises a sliding groove plate fixed to a reinforced concrete outer cylinder, and the sliding groove plate is provided with a sliding groove hole which is vertically formed. The anti-shaking sliding frame comprises a horizontal anti-shaking pressing rod and pressing rod pin shaft connecting plates fixed to the two ends of the horizontal anti-shaking pressing rod, wherein one pressing rod pin shaft connecting plate is connected with the lug plate structure through the lug plate fastening piece, the other pressing rod pin shaft connecting plate is connected with t