Novel upgrade solution for historic London landmark

摘要

A gearbox lubrication upgrade at Tower Bridge is ensuring reliable operation during the winter months when the bridge's bascule raise mechanical drives are operated only intermittently A feat of 19th Century engineering, Tower Bridge is one of London's favourite icons. Under the Corporation of London (Tower Bridge) Act 1885, the Bridge is required to be raised to provide access to and egress from the Upper Pool of London, day and night, 365 days a year. The Bridge is raised around 800 times per annum.