SAFETY OPENING AND CLOSING DEVICE OF FAN TOWER COVER PLATE

This invention discloses a safety opening and closing device of fan tower cover plates, including a main body assembly including a tower platform, an opening, tower cover plate and a ladder; and a safety opening and closing assembly including an opening and closing element, a safety protection element and a linkage control element. This invention could achieve the beneficial effect of the opening and closing element enabling a worker to easily operate during ladder climbing, so as to control the opening and closing of the fan tower cover plate at any time in a time and energy saving manner; the safety protection element being used to keep the stability of the opened or closed state of the fan tower cover plant and reduce the potential risk.