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    • 3. 发明公开
    • ELECTROMAGNETIC BRAKE DEVICE FOR ELEVATOR
    • ELEKTROMAGNETISCHE BREMSVORRICHTUNGFÜREINEN AUFZUG
    • EP2657173A4
    • 2017-08-16
    • EP10861051
    • 2010-12-24
    • MITSUBISHI ELECTRIC CORP
    • OKADA DAISUKE
    • B66D5/14B66D5/30
    • B66D5/30B66D5/14
    • Provided is an electromagnetic brake device for an elevator which can substantially reduce the noise generated when a braking piece collides with a rotary body. This electromagnetic brake device 10 includes a movable piece 21 which is provided with a braking piece 16, a movable piece 19 disposed on the side opposite to the braking piece 16 with respect to the movable piece 21, an elastic body 22 provided between the movable pieces 21 and 19, and a spring 20 which pushes the movable piece 19 to the movable piece 21 side with a prescribed pushing force stronger than the pushing force of the elastic body 22. An electromagnet attracts the movable piece 19 against the pushing force of the spring 20, and causes the movable piece 19 to attract the movable piece 21 against the pushing force of the elastic body 22.
    • 本发明提供一种能够大幅降低制动片与旋转体碰撞时产生的噪音的电梯用电磁制动装置。 该电磁制动装置10具有:具有制动片16的可动片21;相对于可动片21配置在制动片16的相反侧的可动片19;设置在该可动片之间的弹性体22 21以及弹簧20,该弹簧20以比弹性体22的推压力强的规定推压力将可动片19向可动片21侧推压。电磁体克服弹簧的推压力而吸引可动片19 并且使可动片19抵抗弹性体22的推压力而吸引可动片21。