Elevators have become an important tool in people's daily life, but in most old-fashioned multi-story houses, people do not enjoy the convenience of elevators. For example, Bijiazhuang Villa is an old residential area and there is no elevator at all. Here, we will introduce the issues of how to install multi-story elevators and select elevators. How to install multi-story elevators? In general, to meet three points, you can install multiple elevators: First, if there is space reserved inside the floor to lift the elevator shaft and install the elevator, then it must be ensured that the fire exit cannot be occupied. Second, if the floor interior space can not meet the requirements, it needs to be installed outside, in addition to not occupy the fire exits, but also to meet the floor and floor spacing. It is understood that the distance between the old city and the new city is different. In the old city, a one-meter-high building, the distance between the two buildings should be no less than 0.7 meters, which is proportional to each other. If one of them needs to be equipped with an elevator, It is necessary to "concede" a distance of 0.35 meters. Thirdly, in accordance with the requirements of the Property Law, that is to say, the reconstruction and reconstruction of buildings and their ancillary facilities should be undertaken by owners who account for more than two-thirds of the total area of ​​the building and account for more than two-thirds of the total number of people. Owner agrees. How elevators work Both ends of the traction rope are connected with the car and the counterweight, respectively, and are wound around the traction wheel and the guide wheel. The traction motor drives the traction wheel to rotate through the decelerator, and the traction force caused by the friction between the traction rope and the traction wheel is , to achieve the lifting movement of the car and the counterweight, to achieve the purpose of transportation. The guide shoes fixed on the car can be lifted and reciprocated along a fixed guide rail installed on the wall of the hoistway of the building to prevent the car from being deflected or oscillated during operation. The normally closed block brake releases the brake when the motor is working, makes the elevator run, brakes in case of power failure, stops the car from moving up and down, and maintains its stationary state at the designated landing station for personnel and cargo access. The car is a box component that carries passengers or other loads. The counterweight is used to balance car loads and reduce motor power. The compensation device is used to compensate for tension and weight changes in the movement of the traction rope, so that the traction motor load is stable and the car can be accurately stopped. The electrical system realizes the control of the elevator movement and completes the selection of layers, leveling layers, speed measurement and lighting. Instruct the call system to display the direction of movement of the car and the location of the floor at any time. Safety devices ensure safe operation of the elevator. When choosing an elevator First, safety, comfort, brand: 1. When the elevator is in operation, all protection devices must be absolutely reliable and safe. On this point, the production history of the big brand elevators can be guaranteed. 2. When the elevator is in operation, there is no obvious discomfort from the brakes, and the operation is stable and there is no discomfort on site. 3. Refer to the historical record of the reliable operation of the same model of elevator brand. Second, energy saving, no pollution: 1. The use of new technologies and new materials will have a small impact on the power grid's interference and the spatial magnetic field so as not to affect the electricity consumption of the households and the radiation of the living environment. 2. The noise level of the operation and the requirements for elevator hoistway construction comply with the relevant national standards. The impact noise level of the door and the noise level in the car can achieve relatively quiet operation. The hall should be less than 25dB. Third, the operating costs are low: The replacement cycle of parts and components is long, the degree of joint venture is high, and annual maintenance costs are reasonably linked to equipment depreciation. Fourth, the price ratio of performance: 1. The performance meets the requirements of users. But the technology is advanced, the manufacturing process is mature, and the other components' import content and price are excellent. Example: The performance meets the user's requirements, the technology, the manufacturing process are the same, the price is also the same, the original component's import content is high, then the performance-cost ratio is high. In particular, the door machine system is best to use high-quality imported products, because this system is a fault-prone area! 2. High service quality: The first company or agent to provide services must have a special industry license directly issued by the relevant local authority, and the service provided by the company or agent affiliated with the qualifications of others is relatively insecure; secondly, the agency Recommended ladder type should pay attention to flow measurement, try hard to reach waiting time, and the time of entering and leaving the car is short, then its comprehensive service quality is high. Fifth, the appearance of generous, can make the best: 1. Appearance: Outside the hall, car decoration can match with the building and most people can accept it as generous. 2. You can choose more styles and have a second decoration space, and low cost indicates that you can do your best. Six, accurate positioning of civil engineering parameters: The accuracy of the civil engineering parameters is directly related to the safety problems such as the installation of elevators and the operation quality, and avoids the secondary reform of elevator shafts. Summary: The relevant information on multi-story installation of elevators and matters needing attention when selecting elevators is introduced here. I hope this article will be helpful to everyone. If you still have something you don't understand, you can leave a message to Xiaobian at the bottom. We will answer your questions as soon as possible. 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