To properly lubricate a spline coupling part between a hole spline and a shaft spline.SOLUTION: A travel device 11 includes: an electric motor 16 provided at a vehicle body 2 of a dump truck 1; an output shaft 17 which is connected to the electric motor 16 at an axial base end and outputs rotation of the electric motor 16; a hole spline 53 which is formed at an axial tip of the output shaft 17 and has a closed bottom; and an input shaft 42 which has a shaft spline 54 which is splined to the hole spline 53 and inputs rotation of the output shaft 17 to a reduction gear mechanism 27. The output shaft 17 is provided with an oil reservoir space 55 formed at a back part of the hole spline 53, an annular oil groove 56, and an oil passage 57 allowing communication between the oil reservoir space 55 and the annular oil groove 56. Lubrication oil supplied to the annular oil groove 56 is supplied to the oil reservoir space 55 through the oil passage 57 and is supplied to a spline coupling part between the hole spline 53 and the shaft spline 54 by rotation of the output shaft 17.SELECTED DRAWING: Figure 4

    【課題】 穴スプラインと軸スプラインとのスプライン結合部を適正に潤滑する。【解決手段】 走行装置11は、ダンプトラック1の車体2に設けられた電動モータ16と、軸方向の基端が電動モータ16に接続され電動モータ16の回転を出力する出力軸17と、出力軸17の軸方向の先端に形成された有底状の穴スプライン53と、穴スプライン53にスプライン結合される軸スプライン54を有し出力軸17の回転を減速歯車機構27に入力する入力軸42とを備えている。出力軸17には、穴スプライン53の奥所に形成された油溜り空間55と、環状油溝56と、油溜り空間55と環状油溝56との間を連通する油通路57とが設けられている。環状油溝56に供給された潤滑油は、油通路57を通じて油溜り空間55に供給され、出力軸17の回転によって穴スプライン53と軸スプライン54とのスプライン結合部に供給される。【選択図】 図4


    Access

    Download


    Export, share and cite



    Title :

    TRAVEL DEVICE OF WORK VEHICLE


    Additional title:

    作業車両の走行装置


    Contributors:

    Publication date :

    2019-01-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F16H Getriebe , GEARING / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES



    WORK VEHICLE AND TRAVEL CONTROL DEVICE FOR AUTOMATIC TRAVEL OF WORK VEHICLE

    MATSUZAKI YUSHI | European Patent Office | 2022

    Free access

    WORK VEHICLE AND TRAVEL CONTROL DEVICE FOR AUTOMATIC TRAVEL OF WORK VEHICLE

    MATSUZAKI YUSHI | European Patent Office | 2016

    Free access

    TRAVEL DEVICE OF WORK VEHICLE

    SAITO MANABU / CHANG DONG / KAMIMURA TAKAHIKO et al. | European Patent Office | 2015

    Free access

    Travel device for work vehicle

    KAWADA RIO / IWABUCHI YUTARO / SATO TAKAHIRO et al. | European Patent Office | 2025

    Free access

    WORK TRAVEL VEHICLE

    WATANABE TOSHINORI / YAMAZAKI TATSUYA / NISHIGORI MASAHIRO et al. | European Patent Office | 2016

    Free access