The earliest known reference to an elevator is in the works of Vitruvius, a Roman architect, who reported that Archimedes built his first elevator probably in 236 BC. In the 17th century the prototypes of elevators were located in the palace buildings of England and France. Louis XV of France had a so-called ‘flying chair’ built for one of his mistresses at the Chateau de Versailles in 1743. The development of elevators was led by the need for movement of raw materials including coal and lumber from hillsides. The technology developed by these industries and the introduction of steel beam construction worked together to provide the passenger and freight elevators that are in use today.
Before the broad use of elevators, most residential buildings were limited to about seven stories. The wealthy people lived on lower floors, while poorer residents, required to climb many flights of stairs, lived on higher floors. The elevator reversed this social stratification, exemplified by the modern penthouse suite.
Elevators are an integral part of life for many people, especially those living in buildings higher than 3 stories or those working in tall office buildings. Many people will take the elevator even if their destination is only on the next floor up or down, simply due to how easy they are to use.
With the rapid development of economy and advancement of technology, the elevator has become more and more common in our life with the rise of high-rise buildings. Today, the elevator has become a popular means of transport and its security problem also gets more attention.
Most elevators are built to provide about 30 to 40 years of service, as long as service intervals specified and periodic maintenance/inspections by the manufacturer are followed. Strict safety rules are to be followed to avoid any accidents.
In November 2016, a customer use our data acquisition device to complete accidental movement speed and displacement as well as the acceleration of the car floor and other parameters. The experiment was a complete success, obtained the data required for each item, ensuring the overall performance of the elevator and providing functional safeguard.
The dynamic signal test and analysis system, is designed for strength and life assessment test, especially for large-scale structure system. Capable of accurate measurement of highly dynamic signals, accommodates arrange of bridge type sensors (force, pressure, displacement, velocity, and more) as well as piezoelectric sensors, using an optional charge conditioner. It has remote sensing technology to ensure bridge excitation stability eliminating the effect of long wire resistance and possess a strain stress channel field self-test function, so that you can quickly get the current state of the channel.
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