| 摘要 |
FIELD: lift facilities. ^ SUBSTANCE: invention can be used in load lifts of many-storied mechanized parkings. Proposed device for emergency opening of door of lift cabin moved by electric drive contains manual drive, actuating mechanism and mechanical train connecting manual drive and actuating mechanism. Manual drive is secured on lift cabin door wing and is furnished with vertical shaft on lower end of which spring-loaded handle is secured. Actuating mechanism is provided with vertical shaft with fitted-on two parallel levers on free ends of which pins engaging with controllable clutch are secured. Mechanical train is furnished with input lever secured on upper end of manual drive shaft, intermediate vertical shaft secured on load-bearing framing of door, intermediate lever secured on lower end of intermediate shaft opposite to input lever, and multiple-link mechanism coupling upper end of intermediate shaft with shaft of actuating mechanism and containing input rocker. ^ EFFECT: reduction of force to be applied for emergency opening of electrically operated door of lift cabin. ^ 4 cl, 4 dwg |
