Operating device for valve or armature, has worm gear and worm gear pair, which has worm arranged on worm shaft, where brake disk is displaced axially opposite to worm shaft and is arranged on worm shaft with rotating end

摘要

The operating device (2) has a worm gear (12) and a worm gear pair (8), which has a worm (10) arranged on a worm shaft (6). A brake disk (30) is displaced axially opposite to a worm shaft and is arranged on the worm shaft with its rotating end. The brake disk blocks reference list by an oppositely lying non rotating friction body (34) and pressed during actuation of a rocker arm (38) at the brake disk.