SENSITIVE SHAFT LOCK OF COMBINED ACTION FOR SPATIAL BLOCKING OF SHAFT Russian patent published in 2018 - IPC F16D49/18 F16D49/20 

FIELD: machine building.

SUBSTANCE: invention relates to the field of mechanical engineering, and more specifically to shaft locking mechanisms. Shaft lock includes a housing with a collet chuck and an installation sleeve with an elastic element. Base is placed inside the case. Mounting sleeve end surface is fixed on the base and closes the housing with a collet clamp. Base is fixed in a housing with a collet chuck and mounted on the shaft. Housing with the collet chuck is fixed on the housing of the device relative to which the shaft is fixed. In the case, on the side opposite to the collet clamp, at least three bearing assemblies are made. At the base there are at least three paired channels, in each pair of which a piezo-actuator and a geared actuator are placed. Shaft of the gear motor drive is connected to a self-braking gear screw-nut connected by means of a threaded connection with the elastic element of the mounting sleeve and connected to the bearing assembly.

EFFECT: enabling higher reliability.

4 cl, 2 dwg