PROTECTIVE-TIGHT GATE OF WICKET TYPE

摘要

The invention relates to underground tunneling. Technical summary of the invention - design simplification and improvement of operation features by withstanding an increased load upon the gate when big-sized apertures are closed. A wicket gate comprises a cover plate and mounted thereon a swinging mechanism with a drive, a sealing mechanism with a drive and a gripper system, swinging hinges with brackets hinged connected therebetween by links and fixed on embedded elements and the cover plate, the sealing mechanism is provided with additional gripper systems each of them comprises a pusher and connected with a drive through a hinged fastened rod, an additional support hinge is arranged between the embedded elements and the cover plate, the link of each swinging hinges is connected with a bracket of the cover plate by an additional rod mounted in a link aperture and fastened with ball washers, one of which is arranged on the cover plate bracket, and the other on link opposite side, wherein the free end of the rod is provided with an adjustable rest, a spring is positioned between the rest and a ball washer and conjugated with the link.