HYDRAULIC SELF-LIFTING INTEGRATED DEVICE OF CABLE-STAYED BRIDGE Russian patent published in 2024 - IPC E01D21/00 

FIELD: construction.

SUBSTANCE: hydraulic self-lifting integrated device of cable-stayed bridge includes self-lifting system, lifting system and hydraulic lifting system. Self-lifting system includes support shoes installed in the form of embedded in the surface of the structure section, rail guides mounted on support shoes and lifting units attached by reverse gearing to rail guides. Lifting assembly is equipped with a reverse engagement assembly, which has a free fit in said rail, lifting unit is fixed on rail guide by means of pins. Lifting system is connected to lifting units and moves upwards along rail guides. Hydraulic lifting system is installed on lifting system and moves relative to it in longitudinal or transverse direction for lifting the next structure to the top of an already erected structure and subsequent installation. After the erection of one section of the structure by means of the hydraulic self-lifting integrated device installed by an attachment on the structure of the cable-stayed bridge is completed, with the help of the lifting system included in the set, it is lifted to the position of the suspended installation of the next section. Further, the work cycle is successively repeated.

EFFECT: simplified design, faster construction process.

14 cl, 11 dwg