The invention discloses a speed reduction method and device of a tower crane slewing mechanism and a medium, relates to the field of electrical control, and aims to realize stable speed reduction, reduce the swing amplitude of a tower arm after shutdown and reduce gear abrasion under the condition that a torque motor is not replaced. When the deceleration acceleration is increased to a preset limited acceleration value, stopping increasing the deceleration acceleration and rapidly decelerating at a constant acceleration, and when a preset time is reached, controlling the deceleration acceleration to be gradually reduced, gradually reducing the acceleration and slowly decelerating, so that on one hand, formed inertia force is released, and on the other hand, inertia force to be generated is weakened; the acceleration does not suddenly change during the whole deceleration period, and the polishing degree of supporting inner and outer teeth is not increased. On the basis of not increasing the cost and replacing the torque motor, the influence of the acceleration value on the rotation lag angle of the tower arm is reduced to the maximum extent, and the swing amplitude of the tower arm after shutdown is reduced.

    本申请公开了一种塔机回转机构的减速方法、装置及介质,涉及电气控制领域,为了不更换力矩电动机的情况下实现平稳减速,减小停机后塔臂摆动幅度,减少齿轮磨损,本申请通过在回转机构的减速过程中,首先减速加速度逐渐增大,当减速加速度增大到预设限定加速度值后,停止增大减速加速度,以恒定加速度快速减速,当达到预设时间后,控制减速加速度逐渐减小,逐渐减小加速度,缓慢减速,一方面释放已经形成的惯性力,一方面削弱将要产生的惯性力,整个减速期间加速度没有突变,不会增加支承内外齿的打磨度。在不增加成本更换力矩电动机的基础上,最大限度的减小了加速度值对塔臂回转滞后角度的影响,减小停机后塔臂摆动幅度。


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    Title :

    Deceleration method and device for slewing mechanism of tower crane and medium


    Additional title:

    一种塔机回转机构的减速方法、装置及介质


    Contributors:
    ZHANG XIAOYAN (author) / ZHANG YONGCHAO (author) / ZHANG NING (author) / CAO LIYAN (author)

    Publication date :

    2023-04-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern



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