2015年5月6日星期三

The brief history of air scissor lift

Lift [elevator] should be defined as, Air scissor lift in the upper and lower vertical channels carried or cargo lifting platform or semi closed platform lifting machinery and equipment or device.

They used equipment, operated by platform and a whole motor, cable and other auxiliary equipment. Electric Hand Pallet Jacks

Similar to lift the earliest can be traced back to ancient Chinese and European countries,then have to tackle tools such as vertical transport of people and goods. Modern elevator is the product of the invention of the steam engine in nineteenth Century. In 1845, Post lifter ,the first hydraulic lift was born, when the use of liquid water.

In 1853, American Elisha Otis - Elisha Otis invented automatic safety device, greatly improves the cable lifter safety.

In March 23, 1857, lift mover , New York American a five storey shop installed the first use of Otis safety device for passenger lifts. Since then, the use of the elevator has been widely accepted and rapid development. The first elevator was driven by a steam engine, so the placement of the building must be equipped with a boiler room.

In 1880, the German Siemens method using a power lifter, and be worthy of the name "lift" appear formally. Since then, the use of the elevator has been widely accepted and rapid development.




没有评论:

发表评论