The invention discloses an automatic locking and jacking device for a pantograph. The device comprises a mounting base. A fixing frame and an air cylinder are fixed to the mounting base, the middle ofa locking arm is hinged to the fixing frame through a rotating shaft, the locking arm is connected with a push rod of the air cylinder, and a reset spring is arranged between the locking arm and thefixing frame; a limiting hook is arranged at the upper end of the locking arm, an ejector block is arranged at the lower end, and a fixing rod is arranged between the limiting hook and a rotation angle of the ejector block; and the mounting base is mounted on a bottom frame of the pantograph, and the fixing rod is connected with a pantograph limiting component. When there is no compressed air to be supplied, the motion of the pantograph can be limited to realize a locking function; meanwhile, after compressed air is introduced, an initial pantograph rising force can be provided for the pantograph, and pantograph rising can be completed easily. The device is compact in structure, light in weight, convenient to assemble and disassemble, small in installation space and capable of solving problems that an existing locomotive or motor train unit pantograph floats abnormally due to air pressure wave impact and the locomotive or motor train unit pantograph cannot be lifted due to freezing, and guarantees safe, reliable and normal running of a locomotive or motor train unit.

    本发明公开了一种受电弓用自动锁闭顶起装置,包括安装座,安装座上固定有固定架和气缸,锁臂的中部通过转轴与固定架铰接,锁臂与气缸的推杆连接,且锁臂与固定架之间设有复位弹簧;锁臂的上端设有限位钩,下端设有顶块,限位钩与顶块的转动角度之间的位置设有固定杆。安装座安装在受电弓的底架上,固定杆与限制受电弓部件连接。在无压缩空气供给时能够限制受电弓的运动实现锁闭功能;同时通入压缩空气后可以给受电弓提供初始升弓力,有助于完成升弓。结构紧凑、重量轻、装卸便捷、安装空间小,能够解决目前机车或动车组受电弓受气压波冲击导致异常飘起以及机车或动车组受电弓由于冰冻导致无法升起的问题,保证机车或动车组的行车安全、可靠、正常运行。


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    Title :

    Automatic locking and jacking device for pantograph


    Additional title:

    一种受电弓用自动锁闭顶起装置


    Contributors:
    JIA RONG (author) / XU YUFENG (author) / WANG JUN (author)

    Publication date :

    2020-08-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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