To improve the estimation accuracy of a slump value of ready mixed concrete in a mixer drum.SOLUTION: A controller 20 of a slump value estimation system 100 comprises: a storage part 21 for storing a relational equation obtained by statistically analyzing the relation between a slump value, the rotational frequencies of a mixer drum 2 and the driving torques of a driving apparatus 4 in advance; and an operation part 22 for operating the slump value by the relational equation using the first and second driving torques and the first and second rotational frequencies respectively detected when the mixer drum 2 is rotated at the two different rotational frequencies.SELECTED DRAWING: Figure 3

    【課題】ミキサドラム内の生コンクリートのスランプ値の推定精度を向上させる。【解決手段】スランプ値推定システム100のコントローラ20は、スランプ値とミキサドラム2の回転数と駆動装置4の駆動トルクとの関係を予め統計分析することによって得られた関係式が記憶された記憶部21と、ミキサドラム2が2つの異なる回転数で回転しているときにそれぞれ検出された第1及び第2駆動トルクと第1及び第2回転数とを用いて関係式によりスランプ値を演算する演算部22と、を有する。【選択図】図3


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    Titel :

    SLUMP VALUE ESTIMATION SYSTEM AND MIXER TRUCK PROVIDED THEREWITH


    Weitere Titelangaben:

    スランプ値推定システム及びこれを備えたミキサ車


    Beteiligte:
    TAKAHASHI YOSHIMITSU (Autor:in) / UENO KAZUO (Autor:in)

    Erscheinungsdatum :

    2020-04-16


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B28C Tonaufbereitung , PREPARING CLAY / B60P Fahrzeuge zum Transport von Lasten oder zum Befördern, Tragen oder Aufnehmen besonderer Lasten oder Gegenstände , VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS / G01N Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften , INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES



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