The invention relates to the technical field of rail traffic, and discloses a rail grabbing device for overhead line system maintenance. A telescopic rod is fixedly connected to one end of a rotating support, a clamping jaw is movably connected to the interior of a telescopic groove in a sleeved mode, a clamping block is movably connected to the bottom of the clamping jaw, a threaded rotating shaft is connected to the top of a shell in a threaded mode, and a pressing block is movably connected to the interior of a pressure adjusting cavity in a sleeved mode; a first piston is movably connected into the sliding groove in a sleeved mode, a rotating block is movably connected into the fan-shaped groove in a sleeved mode, a movable shaft is movably connected into the arc groove in a sleeved mode, a communicating hole is formed in the middle of the fan-shaped end of the rotating block, a pressure valve is fixedly installed in the middle of the communicating hole, and a second piston is movably connected into the adjusting cavity in a sleeved mode. The clamping jaw is arranged in the shell, the clamping block is movably connected to the end of the clamping jaw, the rotating block and the movable shaft are arranged in the shell, the second piston in the movable shaft is adjusted and controlled through the first piston, the clamping stability of the rail grabbing device is improved, and the adjusting application range is widened.

    本发明涉及轨道交通技术领域,且公开了一种接触网检修用抓轨器,转动支架的一端固定连接有伸缩杆,伸缩槽内部活动套接有卡爪,卡爪的底部活动连接有夹紧块,壳体的顶部螺纹套接有螺纹转轴,调压腔内部活动套接有压块,滑槽内部活动套接有第一活塞,扇形槽内部活动套接有转动块,弧槽内部活动套接有活动轴,转动块的扇形端中部开设有连通孔,连通孔中部固定安装有压力阀,调节腔内部活动套接有第二活塞,通过设置螺纹转轴控制抓轨器的夹持,并在卡爪的端部活动连接夹紧块,在壳体的内部设置有转动块和活动轴,并且通过第一活塞对活动轴内部的第二活塞进行调控,提高了抓轨器夹持的稳定性和调节适用范围。


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    Title :

    Rail grabbing device for overhead line system maintenance


    Additional title:

    一种接触网检修用抓轨器


    Contributors:
    CAO WENPING (author)

    Publication date :

    2022-07-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B61H Bremsen oder andere Verzögerungseinrichtungen ausgebildet für Schienenfahrzeuge , BRAKES OR OTHER RETARDING APPARATUS PECULIAR TO RAIL VEHICLES / B60M Speiseleitungen oder Vorrichtungen am Gleis für elektrisch angetriebene Fahrzeuge , POWER SUPPLY LINES, OR DEVICES ALONG RAILS, FOR ELECTRICALLY-PROPELLED VEHICLES



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