To provide a swivel work machine capable of preventing the temperature rise of a battery unit in a charging state of the battery.SOLUTION: A swivel work machine 1 is provided with: a cooling unit having a battery unit 90, a fan sucking air from the side of the battery unit 90, and a heat exchange unit CA cooling an object to be cooled using the air sucked with the fan; a BMU 123 (a detector) detecting whether or not the batter unit 90 is in a charging state or a discharging state; and a control device 120 controlling the drive of the fan, wherein the control device 120 drives the fan at a first predetermined rotation number when the BMU 123 detects the battery unit 90 in a charging state.SELECTED DRAWING: Figure 8

    【課題】バッテリユニットの充電状態において、バッテリユニットの温度上昇を抑制することができる旋回作業機を提供する。【解決手段】旋回作業機1は、バッテリユニット90と、バッテリユニット90側から空気を吸引するファンと、ファンによって吸引される空気を用いて冷却対象を冷却する熱交換器CAとを有する冷却ユニットCUと、バッテリユニット90が充電状態であるか放電状態であるかを検出するBMU123(検出部)と、ファンの駆動を制御する制御装置120と、を備え、制御装置120は、BMU123がバッテリユニット90の充電状態を検出している場合、ファンを予め定められた第1回転数で駆動させる。【選択図】図8


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    Title :

    SWIVEL WORK MACHINE


    Additional title:

    旋回作業機


    Contributors:
    ITO JUNKI (author) / DATE MASAMITSU (author)

    Publication date :

    2023-10-16


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    E02F Baggern , DREDGING / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / F01P Kühlung von Kraft- und Arbeitsmaschinen oder Kraftmaschinen allgemein , COOLING OF MACHINES OR ENGINES IN GENERAL



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