To improve workability in cleaning work while preventing ready-mixed concrete from attaching to a movable body.SOLUTION: A cleaning device 1 of this invention of a cement mixer truck having: a rotary drum 101 including a pouring port 105a into which ready-mixed concrete is poured and rotatable with respect to a vehicle body 110; a hopper 102 that leads the ready-mixed concrete to the pouring port and provided with an edge part on the pouring port side as a belt attachment part 106; and a belt 103 attached to the belt attachment part, comprises: a fixed body 2 which is fixed to the belt and to an inside space 2a of which cleaning water is supplied; a movable body 3 that has ejection ports 12 and 13 through which the cleaning water supplied to the fixed body is ejected to an inside of the rotary drum and moves according to force of the cleaning water between a storage position located inside of the fixed body relative to the fixed body and a protruded position that is protruded from the fixed body; and a movement restriction part 4 including a spring support part 15 fixed to the fixed body and a spring 14 urging the movable body from the protruded position toward the storage position, in which the ejection ports are located outside the fixed body when the movable body is moved from the storage position toward the protruded position by the force of the cleaning water.SELECTED DRAWING: Figure 3

    【課題】可動体への生コンクリートの付着を防止しつつ、洗浄作業における作業性の向上を図る。【解決手段】 生コンクリートが投入される投入口105aを有し車体110に対して回転される回転ドラム101と、生コンクリートを投入口に導き投入口側の端部がベルト取付部106として設けられたホッパー102と、ベルト取付部に取り付けられるベルト103とを有するコンクリートミキサー車の洗浄装置1であって、ベルトに固定され内部空間2aに洗浄水が供給される固定体1と、固定体に供給される洗浄水を回転ドラムの内部に向けて噴射する吐出孔12、13を有し固定体に対し固定体の内部に位置される収納位置と固定体から突出される突出位置との間で洗浄水の圧力に応じて移動される可動体3と、固定体に固定されたバネ支持部15と可動体を突出位置から収納位置へ向けて付勢するバネ14とを有する移動規制部4とを備え、可動体は洗浄水の圧力によって収納位置から突出位置へ向けて移動されることにより吐出孔が固定体の外部に位置される。【選択図】図3


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    Titel :

    CLEANING DEVICE FOR CEMENT MIXER TRUCK


    Weitere Titelangaben:

    コンクリートミキサー車の洗浄装置


    Beteiligte:
    SHOJI TATSUYA (Autor:in)

    Erscheinungsdatum :

    09.04.2020


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    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 / B28C Tonaufbereitung , PREPARING CLAY



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