BRIDGE-PLATFORM Russian patent published in 2009 - IPC E01D1/00 

FIELD: construction.

SUBSTANCE: invention is related to traffic facilities. Bridge-platform comprises supports and connected span structures installed above city traffic centers and highway areas, systems for storage of transport means and issue of rental transport means, noise protection, protection against atmospheric precipitation, removal of precipitation, system that supports functioning of warehouses and trade enterprises, remote control of structural units. Structures are arranged as collapsible with the possibility of elements delivery to construction site and assembly with the help of truck cranes and helicopters. Prefabricated span structures are equipped with translucent noise-protection screens and gutters. Supports comprise hingedly joined crossbars, collapsible stands and diagonal braces arranged with the possibility of fixation and unfixturing, using traction bars of hydraulic rams installed with their anvils under crossbar collars hingedly fixed to each other by collapsible stands that consist of hingedly fixed upper and lower semi-stands, at that notch is provided in upper end of lower semi-stand, and this notch matches projection in lower end of upper semi-stand, and groove is provided in crossbar for interaction with projection of lower semi-stand. Upper semi-stand is equipped with inbuilt spring-loaded stop device with rope and balancing arm, and superposed crossbar is arranged with projection, where guide groove is provided with notch that fixes working position of hinge installed with the possibility of displacement along guide groove and interaction with rope of underlying semi-stand stop device with the help of spring-loaded lever and spring latch in process of crossbar lifting.

EFFECT: reduction of time required for assembly of erections, and also possibility of their disassembly and transfer to a new location.

3 cl, 14 dwg