Plunger rod adjuster for compact brake caliper units, having a screw connection element supported directly on the adjuster housing

摘要

A wear adjuster for a brake caliper of a disk brake of a rail vehicle, having a) a helical gearing which has a threaded spindle and a nut to be screwed thereon as the screw connection elements, one of the screw connection elements and an adjusting element being rotatable in a first wear adjuster housing to rotatingly drive the screw connection element in the wear adjusting direction and the other screw connection element being non-rotatably mounted in a second wear adjuster housing, b) a wrap spring freewheeling mechanism which is blocked in a direction of rotation of the rotatable screw connection element against a wear adjustment and which is freewheeling in the opposite direction of rotation, the wrap spring freewheeling mechanism coupling the rotatable screw connection element to a rotationally fixed element. The rotationally fixed element is formed directly by the first wear adjuster housing.

主权项

1. A wear adjuster for a brake caliper of a disk brake of a rail vehicle, the wear adjuster comprising:
a helical gearing, which has, as screw connection parts, a threaded spindle and a nut which can be screwed thereon, wherein one of the screw connection parts and an actuator element for rotatably driving the screw connection part in a wear adjustment direction are rotated in a first wear adjuster housing to provide a rotatable screw connection part, and the other screw connection part is mounted in a rotationally fixed fashion in a second wear adjuster housing to provide a fixed screw connection part; and a wrap spring freewheeling mechanism, which blocks, in the direction of rotation of the rotatable screw connection part counter to a wear adjustment, and freewheels, in the opposite direction of rotation so as to couple the rotatable screw connection part to a rotationally fixed part by the wrap spring freewheeling mechanism, wherein the rotationally fixed part is formed directly by the first wear adjuster housing such that the rotatable screw connection part is supported on the first wear adjuster housing directly by the wrap spring freewheeling mechanism.