The invention discloses an anti-falling braking method for a cargo carrying table. Braking force is provided when a cargo carrying table bearing piece is locally damaged or broken, and therefore safety accidents caused by accidental falling of the cargo carrying table are avoided. On the premise that the cargo carrying table bearing part is used well, the vertically upward lifting force acts on a lever to enable the lever to press a reset spring downwards all the time through a sliding block, brake idle wheels are opened downwards to keep not in contact with an anti-falling guide rail, and the cargo carrying table ascends and descends freely in the vertical direction. When the cargo carrying table bearing piece is damaged and loses lifting force, the reset spring resets upwards and bounces up and drives the sliding block to be jacked up, and the brake idle wheels rise along with the reset spring and gradually presses a brake inclined block. Along with the increase of the pressing force, the distance between the two groups of braking idle wheels is reduced until the anti-falling guide rail is clamped, and the cargo carrying table is integrally self-locked on the anti-falling guide rail.

    本发明所述的载货台防坠制动方法,针对载货台承载件发生局部受损或断裂时提供制动力,从而避免载货台意外坠落而导致安全事故的发生。载货台承载件使用完好前提下,其垂直向上的提升力作用于杠杆使之始终向下通过滑块压紧复位弹簧,制动惰轮向下张开而保持与防坠导轨不接触,载货台沿垂向自由升降;载货台承载件受损而失去提升力时,复位弹簧向上复位弹起并带动滑块顶起,制动惰轮随之升起而逐渐压迫于制动斜块;随压迫力增大,2组制动惰轮间距减小直至夹住防坠导轨,载货台整体自锁于防坠导轨。


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    Title :

    Anti-falling braking method for cargo carrying table


    Additional title:

    载货台防坠制动方法


    Contributors:
    LIU PENG (author) / XU KEMIAO (author) / GUO HUAN (author)

    Publication date :

    2021-04-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last / F16D COUPLINGS FOR TRANSMITTING ROTATION , Nicht schaltbare Kupplungen



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