Disconnector limiting interlocking device of horizontally-moving fast-opening door of underground explosion-proof enclosure

The invention discloses a disconnector limiting interlocking device of a horizontally-moving fast-opening door of an underground explosion-proof enclosure. The interlocking device solves the problems that an existing explosion-proof interlocking device is complex in structure and difficult to limit...

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Bibliographic Details
Main Authors ZONG ZHAOLI, WANG JUNFENG, GUO HUI, CAO YANLIN, ZHAO RUNFANG, RUAN JUAN, CHEN RONGHAI, DU XIAOXU, YAO HUI, MA SHUXIAN
Format Patent
LanguageChinese
English
Published 27.11.2013
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
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Summary:The invention discloses a disconnector limiting interlocking device of a horizontally-moving fast-opening door of an underground explosion-proof enclosure. The interlocking device solves the problems that an existing explosion-proof interlocking device is complex in structure and difficult to limit reversely. According to the interlocking device, a U-shaped notch plate (3) is arranged on the right side face of the horizontally-moving fast-opening door (2), an isolating operating shaft (7) is arranged on a switch rotating square shaft (6) of a disconnector (5), and a notch disk (9) is fixedly arranged in the middle of the isolating operating shaft; a cylindrical limiting seat (16) and a crescent limiting boss (18) are fixedly arranged in a limiting seat fixing hole of the explosion-proof enclosure, a dovetail notch (13) is formed in the outer edge of the inner side face of a cylindrical handle base (11), the portion, corresponding the U-shaped notch plate (3), of the explosion-proof enclosure (1) is provided w
Bibliography:Application Number: CN20131366566