An elevator rapid descent safety protection device
By combining telescopic and buffering mechanisms, and employing vertical buffer springs, lever buffer components, and alarm components, the elevator buffer device achieves multi-level progressive buffering and instant alarm, solving the safety and reliability problems of existing devices under heavy loads or rapid descent at varying speeds. It is suitable for the retrofitting of medium and low speed elevators.
CN122101944BActive Publication Date: 2026-07-21NANJING ANLEV ELEVATOR LTD
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- NANJING ANLEV ELEVATOR LTD
- Filing Date
- 2026-04-28
- Publication Date
- 2026-07-21
Smart Images
Figure CN122101944B_ABST
Abstract
The application belongs to the technical field of elevator safety protection, and provides a kind of elevator fast landing safety protection device, including telescopic mechanism and buffer mechanism.Telescopic mechanism is composed of bottom plate, fixed column, telescopic column and contact plate, first telescopic groove and communicated second telescopic groove are set in the top end of fixed column, telescopic column is slidably connected in first telescopic groove, top end is fixed with contact plate, for sensing car impact and preliminary absorbing energy.Buffer mechanism includes vertical buffer spring fixed to the bottom end of contact plate, and lever buffer assembly is distributed in the periphery of second telescopic groove in circular array, each group contains rotating rod, lever arm, first roller, second roller, inclined plate and curved buffer spring, the distance from first roller to the center of rotating rod is less than second roller, to realize multi-stage progressive buffer of force arm difference.
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