Chain operating device's of high -voltage board unlocking sheet structure

The utility model discloses a chain operating device's of high -voltage board unlocking sheet structure, including installing the unlocking sheet on high tension switchgear's door plant, unlocking sheet includes bottom plate and curb plate, and the gasket -mounted is equipped with the spacing hole of landing on the bottom plate on the door plant, be equipped with the stop device who fixes on the door plant in this spacing hole of landing, is equipped with chain groove on the curb plate, and the central point that established at the bottom plate in the spacing hole of landing puts, and the spacing downthehole stop device of landing on the bottom plate is peg, and the inner of this peg is fixed on the door plant, the outer end protrusion is outside landing spacing hole. The utility model discloses avoid chain operating device and door plant mistake on high tension switchgear to link and when resulting in opening the door plant, this unlocking sheet can not fall into the circumstances in the non - safe distance of electrified conductor when removing unlocking sheet, can avoid the operator to go into the electrical distance within range and bring the cabinet body and bodily injury in emergency release operation mistiming, and its reliability and security have had very big guarantee.