The invention provides a turnover telescopic airstair device which comprises a box-shaped base with a containing groove, a rolling wheel and a button hook-shaped lock are installed at the upper end of the containing groove, the rolling wheel is connected to a bearing piece through a pull rope, and a base is installed at the lower end of the containing groove; the bearing part is hinged to the box-shaped base, a guide rail is fixed to the end, hinged to the box-shaped base, of the bearing part, a sliding rail channel is formed between the guide rail and the bearing part, a sliding pair is arranged in the sliding rail channel, one end of the sliding pair is hinged to the base, the other end of the sliding pair is connected to the bearing part through a buffer spring, and a telescopic rod is arranged in the bearing part. A lock ring matched with the button hook-shaped lock is arranged at the lower end part of the bearing piece; the pedal comprises a lower pedal body and a transition pedal body, the lower pedal body is hinged to the tail end of the telescopic rod, the transition pedal body is hinged to the bearing piece and connected to the bearing piece through a tension spring, and when the telescopic rod extends to the maximum state relative to the bearing piece, the transition pedal body is ejected and locked through the telescopic rod.
本申请提供了一种翻转伸缩式登机梯装置,包括:具有容纳槽的盒形底座,该容纳槽上端安装有卷轮和按钮钩形锁,卷轮通过拉绳连接到承载件,容纳槽下端安装有底座;与盒形底座铰接的承载件,该承载件与盒形底座铰接一端固定有导轨,导轨与承载件之间形成滑轨通道,所述滑轨通道内设有滑动副,所述滑动副一端与所述底座铰接、另一端通过缓冲弹簧连接到承载件,所述承载件内部设有伸缩杆,所述承载件的下端部设有适配按钮钩形锁的锁环;至少两阶的踏板,该踏板包括下踏板和过渡踏板,所述下踏板铰接在伸缩杆的末端,所述过渡踏板铰接在承载件上且通过拉簧连接到承载件,当伸缩杆相对于承载件伸长至最大状态时,伸缩杆将过渡踏板顶开并锁死。
Turnover telescopic airstairs device
一种翻转伸缩式登机梯装置
2025-02-14
Patent
Electronic Resource
Chinese
IPC: | B64C AEROPLANES , Flugzeuge |