Channel center constant speed sectional type lifting and conveying device

The utility model discloses a channel center constant speed sectional type lifting and conveying device, and aims at providing a channel center constant speed sectional type lifting and conveying device which is reasonable in structure and capable of effectively preventing rod-shaped materials from squeezing one another when passing through an S channel. The channel center constant speed sectional type lifting and conveying device comprises a lower bent section lifting and conveying section, a straight section lifting and conveying section and an upper bent section lifting and conveying section, all of which are arranged on a rack in sequence. The channel center constant speed sectional type lifting and conveying device further comprises an upper bent section power motor, a straight section power motor and a transition flat belt assembly arranged between the lifting and conveying sections. The upper bent section lifting and conveying section is composed of an upper inwards-bent conveying assembly and an upper outwards-bent conveying assembly. The straight section lifting and conveying section comprises two parallel straight section conveying assemblies. The lower bent section lifting and conveying section is composed of a lower inwards-bent conveying assembly and a lower outwards-bent conveying assembly which each comprise lower bent section transmission chain boards. The transition flat belt assembly is connected with the transmission chain boards at any end through belt transmission.