The invention provides a torsion limiting and automatic returning device of a sled frame with a rudder. The device comprises a steering intermediate shaft, a steering limiting pin shaft, a spring mounting seat, a spring end cover, a small spring, a large spring and a spring locking nut, the middle shaft is fixed on a rear frame, the steering limiting pin shaft is fixed on a front frame, the spring mounting seat is fixed in a groove in the front portion of the rear frame, the spring end cover is installed in the spring mounting seat, the small spring is installed in the spring end cover, the large spring is installed in the small spring, and the large spring is installed in the small spring. And the spring locking nut is mounted at the outer end of the spring mounting seat. According to the steering sleigh frame system, torsion angle limiting and automatic returning functions are provided for the steering sleigh frame system, the safety, the maneuverability and the adjustable function of a steering sleigh in the training and competition process on different racing tracks can be guaranteed, and on the basis that the corresponding functions are achieved, the sport performance of athletes in China on steering sleigh projects is improved as much as possible.

    本发明提供一种有舵雪橇车架的扭转限位及自动回位装置。所述装置包括转向中间轴、转向限位销轴、弹簧安装座、弹簧端盖、小弹簧、大弹簧和弹簧锁紧螺帽;所述中间轴固定在后车架上,所述转向限位销轴固定在前车架上,所述弹簧安装座固定在后车架前部凹槽内,所述弹簧端盖装入所述弹簧安装座内,所述小弹簧装入所述弹簧端盖内,所述大弹簧装入所述小弹簧内,所述弹簧锁紧螺帽安装在所述弹簧安装座外端。为有舵雪橇车架系统提供了扭转角度限位及自动回位功能,能够保障有舵雪橇在不同赛道上训练及比赛过程中的安全性、操纵性及可调校的功能,在相应功能实现的基础上,尽可能提升我国运动员在有舵雪橇项目上的运动成绩。


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    Title :

    Torsion limiting and automatic returning device of sled frame with rudder


    Additional title:

    一种有舵雪橇车架的扭转限位及自动回位装置


    Contributors:
    BAO YONGJI (author) / LI YAO (author) / XU XIAOBO (author) / WANG XINGPING (author) / WANG NIANQIANG (author) / WOO JIN (author) / ZHANG CHONG (author)

    Publication date :

    2023-05-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62B Von Hand bewegte Fahrzeuge, z.B. Handkarren oder Kinderwagen , HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS



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