一种用于轨道交通列车的侧向疏散梯装置
By designing a lateral evacuation ladder device for rail transit trains, and utilizing the cooperation of drive components and locking and buckling components, the problem of stepping into gaps caused by the height difference after the folding ladder is unfolded is solved, achieving a safe and reliable emergency evacuation effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- NINGBO CRRC TIMES ELECTRICAL EQUIP CO LTD
- Filing Date
- 2024-08-16
- Publication Date
- 2026-07-17
AI Technical Summary
In existing lateral evacuation devices for rail transit trains, there is a height difference between the top step of the folding ladder and the floor of the train body after it is unfolded, which makes it easy for people to step into empty spaces during evacuation, posing a safety hazard.
A lateral evacuation ladder device was designed. The first drive component makes the starting end of the retractable step assembly higher than the rear plane of the vehicle body when it is unfolded. Combined with the locking component and the buckle component, a passive locking is formed to ensure the reliability of the bracket in the storage and unfolded states. The dead point fixing and ratchet engagement transmission prevent automatic retraction and improve safety.
This effectively reduces the relative height between the top step of the retractable pedal assembly and the vehicle floor, preventing the user from missing a step and improving the safety and reliability of emergency evacuation.
Smart Images
Figure CN118744740B_ABST