The screw structure comprises a stepped screw part and a gear transmission part, the stepped screw part is provided with a screw A, a screw B, a screw C and a screw D. The upper portion of the interior of the screw A is provided with threads by a certain distance, and a fixed disc is welded to the exterior of the screw A; the gear transmission part is provided with a driving gear driven by a motor and a driven gear driven by a screw rod, a pushing bearing is installed above the driven gear and fixed to a fixing plate, the motor is fixed to a motor fixing plate through a bolt, the motor fixing plate is fixed to the fixing plate through a bolt, and the screw rod is fixed to the fixing plate through a bolt. The fixing plate is installed on the bottom steel channel of the center of the lift car structure. The device can be installed under a lift car structure and fixed to a foundation, a side bearing beam structure is omitted, the moment during carrying is greatly reduced, the working space of an elevator is saved, the carrying weight is increased, and the production cost is reduced.
本发明公开了一种多级阶梯式螺杆电梯中的螺杆结构,包括阶梯螺杆部分和齿轮传动部分,所述阶梯螺杆部分设有螺杆A、螺杆B、螺杆C、螺杆D,所述螺杆A内部上方一段距离为螺纹、外部焊接固定圆盘,所述齿轮传动部分设有电机带动的主动齿轮及螺杆带动的从动齿轮,所述从动齿轮上方安装一个推动轴承,所述推动轴承固定于固定板上,所述电机通过螺栓固定于电机固定板上,所述电机固定板通过螺栓固定于固定板上,所述固定板安装在轿厢结构中心底部槽钢上。本发明能够安装在轿厢结构的正下方,固定在地基上,省去了旁置承重梁的结构和大大降低了运载时的力矩,节省了电梯工作空间,增大了运载重量,且降低了生产成本。
Multi-stage stepped screw structure
一种多级阶梯式螺杆结构
2024-06-14
Patent
Electronic Resource
Chinese
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