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Shenyang Intentec Elevator LLC

elevator

An elevator is a permanent service that serves a number of specific floors in a building whose car is running at least two rows of rigid orbital motion perpendicular to the horizontal plane or with an inclination angle of less than 15 ° with the vertical line. There are steps, step board mounted on the track for continuous operation, commonly known as escalators or automatic sidewalks. A fixed lift device that serves a floor. The vertical lift elevator has a car running between at least two rows of rigid or inclined rails with an inclination angle less than 15 °. The car size and structure make it easy for passengers to access or load the goods. It is customary to use the elevator as a general term for vertical traffic in a building, regardless of the way it is driven. According to the speed can be divided into low-speed elevators (4 m / s below), fast elevator 4 to 12 m / s) and high-speed elevators (12 m / s or more). The mid-19th century began to appear hydraulic elevator, is still in low-rise buildings on the application. In 1852, the United States E.G. Otis developed a wire rope lift safety lift. 80 years, the drive device to further improve, such as the motor drive through the worm drive winding reel, the use of balance weight and so on. At the end of the 19th century, the use of friction wheel drive, greatly enhance the lift height of the elevator.

At the end of the 20th century, the elevator was powered by permanent magnet synchronous traction machine. Greatly reducing the space occupied by the engine room, and has low energy consumption, energy efficient, to enhance the speed of the advantages of a great boost to the real estate to the direction of high-level development.

ThyssenKrupp Elevator has developed a new "multi-lift" horizontal and vertical operation.

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