The invention relates to the field of rail vehicle gauge changing, and provides an unlocking mechanism for a gauge-changeable wheel set, the gauge-changeable wheel set and a ground rail changing facility. The unlocking mechanism comprises a thrust rod and a thrust conversion mechanism, the thrust rod is used for horizontally penetrating through an axial through hole of an axle of the gauge-changeable wheel set, the thrust conversion mechanism is used for pushing the thrust rod to unlock wheels of the gauge-changeable wheel set, the thrust conversion mechanism comprises a mounting base and a pushing shaft, and a horizontal through hole is formed in the mounting base in the horizontal direction; the pushing shaft is movably arranged in the horizontal through hole in a penetrating manner; anopen groove is formed in the position, opposite to the mounting base, of the pushing shaft and located in one of the pushing shaft and the mounting base. The axis of the open groove is perpendicular to the axis of the horizontal through hole, a positioning piece is installed in the open groove, the positioning piece is connected with the open groove through an elastic pre-tightening piece, a positioning pit is formed in the other one of the pushing shaft and the mounting base, the positioning end of the positioning piece is matched with the positioning pit, and the pushing shaft pushes the thrust rod to move to unlock the wheel. Gauge changing is simple, and the track gauge changing reliability is high.
本发明涉及轨道车辆变轨距领域,提供变轨距轮对用解锁机构、变轨距轮对及地面变轨设施。该解锁机构包括用于水平穿设在变轨距轮对的车轴的轴向通孔中的推力杆和用于推动推力杆解锁变轨距轮对的车轮的推力转换机构,推力转换机构包括安装座和顶推轴,安装座沿水平方向开设有水平通孔;顶推轴可移动地穿设在水平通孔中,顶推轴与安装座的相对处且位于顶推轴与安装座中的一者开设有开口槽,开口槽的轴线垂直于水平通孔的轴线,开口槽中安装有定位件,定位件与开口槽之间通过弹性预紧件连接,顶推轴与安装座中的另一者构造有定位凹坑,定位件的定位端与定位凹坑相匹配,由顶推轴推动推力杆移动对车轮进行解锁。本发明变轨操作简单、变轨距可靠性高。
Unlocking mechanism for gauge-changeable wheel set, gauge-changeable wheel set and ground track changing facility
变轨距轮对用解锁机构、变轨距轮对及地面变轨设施
2020-10-23
Patent
Elektronische Ressource
Chinesisch
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