PROBLEM TO BE SOLVED: To provide a drive unit for an industrial vehicle, that suppresses deterioration of durability while controlling preload of first and second tapered roller bearings within a proper range.SOLUTION: The drive unit 1 comprises: interval adjustment means 180 that adjusts an interval W1 between a first inner ring 161 and a second inner ring 171 in a rotation axis X1 direction, by abutting on a first body part 111 of a first material 110 or the first inner ring 161 of a first tapered roller bearing 160 from the second inner ring 171 of a second tapered roller bearing 170 in the rotation axis X1 direction, and by abutting on a second body part 121 of a second material 120 or the second inner ring 171 from a first inner ring 161 side in the rotation axis X1 direction; and fixation means 190 that is disposed between the interval adjustment means 180 and at least one of the first body part 111 and the second body part 121, and that fixes a position around the rotation axis X1 relative to the first and second materials 110, 120 of the interval adjustment means 180.SELECTED DRAWING: Figure 2

    【課題】第1、2円錐コロ軸受の予圧を適正範囲に管理しつつ、耐久性の低下を抑制できる産業車両用のドライブユニットを提供する。【解決手段】ドライブユニット1は、回転軸心X1方向における第2円錐コロ軸受170の第2内輪171側から第1部材110の第1本体部111又は第1円錐コロ軸受160の第1内輪161に当接するとともに、回転軸心X1方向における第1内輪161側から第2部材120の第2本体部121又は第2内輪171に当接し、第1内輪161と第2内輪171との回転軸心X1方向の間隔W1を調整する間隔調整手段180と、第1本体部111及び第2本体部121の少なくとも一方と間隔調整手段180との間に設けられ、間隔調整手段180の第1、2部材110、120に対する回転軸心X1周りの位置を固定する固定手段190とをさらに備える。【選択図】図2


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    Titel :

    DRIVE UNIT FOR INDUSTRIAL VEHICLE


    Weitere Titelangaben:

    産業車両用のドライブユニット


    Beteiligte:
    KAWASE AKITAKA (Autor:in)

    Erscheinungsdatum :

    22.12.2016


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B60B VEHICLE WHEELS , Räder für Fahrzeuge / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / F16C SHAFTS , Wellen



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