Elevator is a tool used in vertical load and personnel transport. By making higher and deeper structures, the people and the need to reach the top and bottom layers of the hoists it is mandatory.
Related Regulations: 95/16 / EC
In the 19th century in some mines and factories, coal and freight elevators were used in the transport of essential materials. The first lifts are endangering people's safety was in the mid-19th century. Until this period at the height of buildings in the city can go up the stairs people, it was made more than five to six storeys.
This secure elevators was working with steam power. This lifts the steam engine returns a barrel, pulling the rope in the same way as in the elevator cab was hemmed in on this drum reel fishing rod. Elisha Graves Otis invented the elevator.
Helix rope pulley system used in old elevators, rotated by an electric motor instead of steam today, some elevators are also applied. But most of the types of electric lifts are no longer pull. In this elevator, the elevator car to an end of the suspension rope is connected to a counterweight which balances the weight of the cabin to the other end. Each suspension rope, a sheave is placed on top of the elevator shaft or sitting in a separate groove on the spool. the rope reel rotates, operated by an electric motor moves. Thus, the elevator moves in the opposite direction against the weight in one direction, while the right path.
Today's elevators are equipped with the very fast up and down the cabin, and the highest or the lowest floor out of the top line and many güvenlikdüzeneg or prevent the passage of the downstairs level. Even devices not operating, rising up through the elevator to the top floor to the hill until the device is impossible. Because the counterweight, the car reached the top floor, sits on the bumper in the pit so that cables can not pull up to the cabin is more relaxed.
Some of the modern elevator is a piston-electric type. It works just like the old hydraulic lifts, oil is used instead of water to prevent corrosion and freezing alone. into the cylinder is emptied into an electric oil pump is pressed the electric valve. The elevators in the building is not very high, especially with factory ships and aircraft used for lifting heavy loads in the car wash-lubrication of the booster station platform.
Electronic Controlled Lifts
Even after the widespread use of electric lifts, lift ups and downs and to check the cabin door open and the need for a long time to close the elevator attendant was heard. Push the button in the cabin of the elevator passengers found themselves to be able to run in 1890. Since the initial small cabin and very slow in these elevators ancakkonut or could be used in a small number of people come and go several-storey office block.
Electronic science progresses, automatic control systems for speed elevators used in the busiest structure was developed. This automatic electronic devices, with several elevators in the building at the same time distributing the tasks of a "command table" function to see. This device regulates the direction of ups and downs in accordance with the program according to lift passenger traffic. Most of the elevators in high-rise buildings for nearly 30 years and is fully automatic. This lifts the elevators controlled by humans much more efficient, fast and reliable.
In the cabin of an automatic elevator, the building was placed on a panel next to the door one or number two has a button for each floor. Elevator thousand people would do is press the button of the floor where the only thing to go or want to go down. Subsequent to the elevator ride to warn passengers to stop at what times, a light shines in the pressed button. After the button is pressed shortly after the doors closed and the elevator automatically switches to the spontaneous movement. Approaching the floor to stop in again automatically slows down and stops when it reaches the same level with the floor doors. While the elevator up, the structure of the panel to press the exit button located next to the elevator door in the hallway stops at the floors where the other passengers. Climbing down the landing responds to a call. Automatic control device for which it stores in memory in order to answer all calls, passengers can take advantage of many of the same lift during landing or departing.
When the door opens automatically come to the elevator floor level; all the ups and downs of passengers finished gradually closes. If all doors remain closed between the two wings of a passenger, an electronic device that allows you to stop without hitting the passenger door pinpointing the situation. But this is only a momentary pause. If anyone tried to keep forcing open doors, door wings gently pushing away the intervening passengers and allows to continue the path of lift.
Programming of Elevators
Plurality of the elevator system.
operation of all elevators in high-rise buildings, the elevator is driven by a large number of automated devices attached to the computer. These devices are programmed in such a way to lift the ups and downs will be held according to passenger traffic. between a structure very busy morning and evening hours, according to the flow of passenger traffic is usually performed under a separate program. Today's run out of many aspects of the elevators as they hurry to catch people early in their workplaces. and down in the back left part of the morning it is balanced. hours of landing that people go to lunch, lunch on the turn out is more intense. Then again a long period of ups and downs are balanced. Most of the elevator at the end of the work day is programmed in such a way to work this time downward direction. Finally, night hizmetineayrıl except one or two lifts electronic system automatically stops all lifts.