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, and the thrust conversion mechanism comprises a mounting base, a pushing shaft and a swinging body; a guide through hole is formed in the mounting base, and a connecting end is constructed below the guide through hole; one end of the pushing shaft is movably arranged in the guide through hole in a penetrating mode, and the other end of the pushing shaft is provided with a sliding groove extending in the vertical direction from the bottom face of the pushing shaft; the swinging body is provided with a rotating end and a pushing end, the swinging body is installed below the pushing shaft, the rotating end is rotatably connected with the connecting end in a vertical plane, and the pushing end is rotatably arranged in the sliding groove and can vertically slide along the sliding groove; when the swinging body is subjected to upward lifting force, the rotating end of the swinging body rotates around the connecting end, and the pushing end is driven to slide along the sliding groove and rotate in the direction close to the mounting base, so that axial thrust is applied to the pushing shaft, and the thrust rod is pushed to move for unlocking. 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。解锁机构包括推力杆和推力转换机构,推力转换机构包括安装座,安装座开设有导向通孔并在导向通孔的下方构造有连接端;顶推轴,一端可移动地穿设在导向通孔中,另一端开设有由顶推轴的底面沿竖向延伸的滑槽;摆动体,构造有转动端和顶推端,摆动体安装在顶推轴的下方,转动端与连接端在竖直平面内转动连接,顶推端可转动地设于滑槽中并可沿滑槽竖向滑动;在摆动体受到向上的抬升力,摆动体的转动端绕连接端转动,带动顶推端沿滑槽滑动并朝向靠近安装座的方向转动,以对顶推轴施加轴向推力,推动推力杆移动进行解锁。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
Electronic Resource
Chinese
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