- Construction lifts, also known as the construction elevator, construction elevators generally refers to pedestrians or building materials in construction site vertical transport of goods transport. At present, the building lifts a total of more than 8 million cars globally, is the contemporary construction industry using most vertical goods transportation.Ancient China and European countries have to winch tools such as vertical transport of people and goods. Modern elevators is a product of the 19th century after the invention of the steam engine. In 1845, the birth of the first hydraulic lifts, be regarded as the prototype for building elevators. In 1853, Americans ài lì shā · ào dí sī (Elisha Otis) invented automatic safety devices, greatly improving cable traction lift safety. Architectural aspects of their use with the development of China's construction industry has been widely accepted and high-speed development. Original elevator is driven by the steam engine, so use the construction site must be installed in the boiler room. In 1880, the German Siemens invented electric lifts from this veritable architectural lift official appearance.
2015年4月22日星期三
Construction elevators
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