PROBLEM TO BE SOLVED: To provide an electric lift which accurately estimates the weight of a cargo supported by a lifting body, and to provide a cargo handling vehicle.SOLUTION: An electric lift 20 includes: an electric motor 21; a lifting body which is moved up or down by power of the electric motor 21; and a weight estimating device 40 which estimates weight of a cargo supported by the lifting body. The weight estimating device 40 includes: a propulsion power calculating part 43 which calculates propulsion power applied to the cargo by the electric motor 21 on the basis of an electric current of the electric motor 21; an acceleration calculation part 44 which calculates acceleration of the cargo when the lifting body is moved up or down on the basis of a rotation speed of the electric motor 21; and a weight calculation part 45 which calculates the weight of the cargo on the basis of a calculation result of the propulsion power and a calculation result of the acceleration.SELECTED DRAWING: Figure 3

    【課題】昇降体が支持する荷物の重量を精確に推定することができる電動リフトおよび荷役車両を提供する。【解決手段】電動リフト20は、電動モータ21と、電動モータ21の動力により昇降する昇降体と、昇降体が支持する荷物の重量を推定する重量推定装置40とを備え、重量推定装置40は、電動モータ21が荷物に付与する推進力を、電動モータ21の電流に基づいて算出する推進力算出部43と、昇降体の上昇時または下降時の荷物の加速度を、電動モータ21の回転速度に基づいて算出する加速度算出部44と、上記推進力の算出結果と上記加速度の算出結果とに基づいて、荷物の重量を算出する重量算出部45とを備える。【選択図】図3


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    Title :

    ELECTRIC LIFT AND CARGO HANDLING VEHICLE


    Additional title:

    電動リフトおよび荷役車両


    Contributors:

    Publication date :

    2017-03-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    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



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