用于建筑板材提升设备的升降机构、包括这种机构的提升设备、使用这种设备的提升方法
本发明提出一种安全、易于操纵、安静、快速并确保平稳上升和下降、无卡住风险的板材提升机机构。装置包括:伸缩杆,包括三段(12);链条(20),围绕两个齿轮(121‑122)设置在固定段(12)内部,其中一个齿轮由电机驱动,终末活动段的下端固定于链条(20);各段包括相应传动限位块,以便杆根据链条的旋转展开和缩回。
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