Loader gearbox working barrel device

The utility model provides a loader gearbox working barrel device, including variable speed pump and working barrel, wherein the working barrel periphery has the interval and sets up a plurality of eyes, the main pressure chamber, the hub splines, bore eye and oil gallery, wherein the hub splines sets up and puts in the central point in main pressure chamber, it sets up in being located the squareon the upper side of hub splines to bore the eye, and and the oil duct in main pressure chamber communicates with each other, wearing and tearing can realize avoiding the spline owing to causing fullcar hydraulic pressure paralysed, can prolong the live time of working barrel integral key shaft and working barrel gear spline axle sleeve. 种装载机变速箱工作泵装置，包括变速泵与工作泵，其中工作泵周边具有间隔设置多个丝眼，主压力腔，花键轴套，钻眼和回油孔，其中花键轴套设置于主压力腔的中心位置，钻眼设置于位于花键轴套的偏上方，且和主压力腔的油道相通，可以实现避免花键由于磨损造成全车液压瘫痪，可延长工作泵花键轴与工作泵齿轮花键轴套的使用时间。