Preceding lift -over steel band overspeed device tensioner



The utility model discloses a preceding lift -over steel band overspeed device tensioner, including gear motor, bearing frame, steel band wheel, steel band, spring, axle, sprocket, tensioning hand wheel and reduction gear, all install the sprocket on gear motor, axle and the reduction gear, gear motor drives an axle of laying between two bearing frames through sprocket feed, epaxially installs two steel band wheels, and every steel band wheel is fixed with a steel band separately, the steel band coupling spring, and another steel band of spring is connected on the steel band fixed block that rolls two surveys on the ring, the reduction gear is installed on the next door of bearing frame, and the tensioning hand wheel directly couples with the reduction gear. The device simple structure, easy operation, convenient to use, extensive applicability.




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