To provide a hydraulic pump control device that can appropriately cool wet-type brakes while keeping energy loss low.SOLUTION: A hydraulic pump control device comprises: a cooling oil tank (21) for storing cooling oil; hydraulic pumps (23F, 23R) for supplying the cooling oil stored in the cooling oil tank (21) to wet-type brakes (17r, 17l, 18r, 18l); first temperature sensors (27F, 27R) provided in return oil passages (L2F, L2R) for returning the cooling oil that has cooled the wet-type brakes (17r, 17l, 18r, 18l) to the cooling oil tank (21), and for measuring the temperature of the cooling oil; and a controller (40) for controlling the flow rate of the cooling oil to be supplied to the wet-type brakes (17r, 17l, 18r, 18l) from the hydraulic pumps (23F, 23R) on the basis of the measurements of the first temperature sensors (27F, 27R).SELECTED DRAWING: Figure 3

    【課題】エネルギー損失を抑制しつつ、湿式ブレーキを適切に冷却可能な油圧ポンプ制御装置を提供する。【解決手段】油圧ポンプ制御装置は、冷却油を貯留する冷却油タンク(21)と、冷却油タンク(21)に貯留された冷却油を湿式ブレーキ(17r、17l、18r、18l)に供給する油圧ポンプ(23F、23R)と、湿式ブレーキ(17r、17l、18r、18l)を冷却した冷却油を冷却油タンク(21)に還流させる戻り油路(L2F、L2R)に設けられ、冷却油の温度を計測する第1温度センサ(27F、27R)と、第1温度センサ(27F、27R)の計測値に基づいて、油圧ポンプ(23F、23R)から湿式ブレーキ(17r、17l、18r、18l)に供給される冷却油の流量を制御するコントローラ(40)とを備える。【選択図】図3


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    Title :

    HYDRAULIC PUMP CONTROL DEVICE AND DUMP TRUCK


    Additional title:

    油圧ポンプ制御装置及びダンプトラック


    Contributors:

    Publication date :

    2022-06-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F16D COUPLINGS FOR TRANSMITTING ROTATION , Nicht schaltbare Kupplungen / B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF / E02F Baggern , DREDGING



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