Tower-type foldable chain

The invention discloses a tower-type foldable chain. The tower-type foldable chain comprises guiding rails, a chain body, a bottom plate and a speed reducing motor, and is characterized in that the guiding rails are installed on side plates; the side plates are fixed on the bottom plate; chain links are connected through chain-link connecting shafts; a chain wheel is installed on a transmission shaft, and can rotate along with the transmission shaft; when the speed reducing motor forwards, the chain wheel drives the chain links to move upwards, bearings of the chain links move along the guiding rails, the chain links rotate and are opened at guiding-rail arcs along the chain-link connecting shafts, the state of the guiding rails becomes the vertical state when the chain links pass throughthe arc portion, the chain links are newly combined under the effect of the guiding rails, and a front-back supporting structure is formed; when the speed reducing motor backwards, the chain wheel drives the chain links to mo