The invention discloses a front drive crawler tractor which comprises a power source, a gearbox front end is arranged on one side of the power source, a gearbox rear end is arranged on one side of the gearbox front end, steering mechanisms are symmetrically arranged at the bottoms of one sides of the two ends of the gearbox front end, and universal transmission shafts are arranged in the steering mechanisms. Rotating shafts are arranged at the bottoms of one ends of the universal transmission shafts, and driving wheels sleeve the outer sides of the rotating shafts; the gravity center of the whole machine moves forwards after the steering mechanism moves forwards, so that the gravity center is more stable, and the balance weight can be reduced; and as the crawler belt is leveled, compared with an existing rear-drive crawler tractor, under the same grounding length, the needed crawler length is short, the function of an engine is fully played, and the transmission efficiency is improved; meanwhile, the spaces on the two sides of the gearbox are enlarged, arrangement of auxiliary facilities is facilitated, and the space of a cab is enlarged; and the length of the gearbox is shortened, and a longer universal transmission shaft can be used for working output, so that an agricultural implement is lifted to be higher, the trafficability of the tractor is improved, and the gradeability is improved.

    本发明公开了一种前驱动履带拖拉机,包括动力源,动力源的一侧设置有变速箱前端,变速箱前端的一侧设置有变速箱后端,变速箱前端两端一侧的底部对称设置有转向机构,转向机构的内部设置有万向传动轴,万向传动轴一端的底部皆设置有转动轴,转动轴的外侧皆套设有驱动轮;本发明转向机构前移后整机重心前移,使得重心更稳,可减轻配重;且履带拉平,相较于现有的后驱动履带拖拉机,相同的接地长度下,所需履带长度较短,充分发挥发动机功能,提高传动效率;同时变速箱两侧空间增大,有利于辅助设施的布置,增大了驾驶室的空间;并且缩短了变速箱的长度,工作输出可使用较长的万向传动轴,使农机具提得更高,提高了拖拉机的通过性,提升了爬坡能力。


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    Title :

    Front-drive crawler tractor


    Additional title:

    一种前驱动履带拖拉机


    Contributors:
    GONG MING (author) / PENG XIANGLIN (author) / YE XINYUE (author) / YANG XIANGLIN (author)

    Publication date :

    2021-05-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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