A double-drive linkage double-brake trundle comprises a fixed shaft, a rolling wheel, a wheel frame, a brake frame, a front treading driving part, a rear treading driving part, a linkage shaft, two linkage plates, a first spring, a shaft brake rod, a second spring, a universal vertical shaft and a shaft brake disc, the shaft brake rod is in sliding fit with a rod moving hole, and a shaft hinge part is hinged to a shaft hole of a vertical shaft seat; the brake frame is in sliding fit with the guide cavity, the fixed shaft is in sliding fit with the longitudinal guide hole, the brake rod part extends into the counter bore from the rod guide hole, and the arc-shaped brake pad extends out of the guide stop groove and is matched with the brake wheel ring; the rear connecting rod part and the front connecting rod part are matched with the end guide grooves in the rear end and the front end respectively, one ends of two linkage plates are pivoted with the linkage shaft, and the other end of one linkage plate and the two ends, hinged to the linkage shaft, of the rear half shaft and the front half shaft are matched with the left longitudinal guide groove and the right longitudinal guide groove respectively; and the rear transmission brake part and the front transmission brake part are respectively matched with the left brake conversion device and the right brake conversion device. And one wheel is always located in the space outside the undercarriage to perform wheel shaft double-brake operation, so that the use is convenient.

    一种双驱联动的双刹脚轮,包括定轴、滚轮、轮架、刹车架、前踏驱动部、后踏驱动部、联动轴、二个联动板、第一弹簧、轴刹杆、第二弹簧、万向立轴和轴刹盘,轴刹杆与杆活动孔滑动配合,轴铰接部与立轴座的轴孔铰接;刹车架与导向腔滑动配合,定轴与纵向导向孔滑动配合,刹杆部从杆导向孔伸入沉孔内,圆弧形刹车片从导向止位槽中伸出且与刹轮环配合;后连杆部和前连杆部分别与后端及前端的端导向槽配合,二个联动板一端与联动轴枢接、一联动板的另一端与后半轴和前半轴铰接联动轴的两端分别与左、右纵向导向槽配合;后传动刹车部和前传动刹车部分别与左、右刹车转换装置配合。总有一个位于车盘之外的空间内,进行轮轴双刹操作,使用方便。


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    Title :

    Double-drive linkage double-brake trundle


    Additional title:

    一种双驱联动的双刹脚轮


    Contributors:
    WU ZHENQIU (author) / WU HUIYA (author) / HU JIEYING (author)

    Publication date :

    2024-11-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60B VEHICLE WHEELS , Räder für Fahrzeuge



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