The invention discloses an elevator with a balanced counterweight. The elevator comprises a traction motor, a traction sheave, a tension pulley and a traction steel wire rope of which the middle part winds the traction sheave and the tension pulley, wherein one end of the traction steel wire rope is connected with the upper end of a car; the other end of the traction steel wire rope is connected with the upper end of a counterweight. The elevator is characterized in that one or more than one rope sheave is arranged below the car and the counterweight; one end of a compensation rope is connected with the lower end of the car; the middle part of the compensation rope winds all the rope sheaves; the other end of the compensation rope is connected with the lower end of the counterweight; guide rails are arranged on two sides of the corresponding rope sheaves; more than one compensation counterweight is arranged on each guide rail in a sliding manner; each compensation counterweight is connected with the compensation rope through a corresponding electromagnetic clutch of the corresponding compensation counterweight; a pressure sensor is arranged at the bottom in the car; all of the pressure sensor and the electromagnetic clutches are connected with a programmable controller. According to the elevator disclosed by the invention, the bearing weights of the steel wire ropes on two sides of the traction sheave can be equal at any time, so that the energy-saving effect is realized, and good safety is obtained.


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    Title :

    Elevator with balanced counterweight


    Contributors:
    CAO HENG (author) / QIU YOUBIN (author) / LI YANHAO (author) / JI CHUNMIAO (author) / CHEN CAILIN (author)

    Publication date :

    2015-08-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS



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