TEST BENCH FOR END SEALS OF SHAFTS OF CIRCULATING PUMPS Russian patent published in 2016 - IPC F04B51/00 G01M3/04 F04D29/12 

FIELD: machine building.

SUBSTANCE: invention relates to machine building, particularly, to benches for testing end seals of shafts of circulating pumps. Test bench for end seals of shafts of circulating pumps comprises a pedestal with a housing. In housing there are vertically installed two supports shaft. On shaft of stand there is a bushing-simulator of pump shaft. End seal of pump is installed on bushing-simulator and pressure housing. Motor is arranged in lower part of stand and is connected to shaft of stand via coupling and with pressure housing through a support. Pressure housing is equipped with power shaft, in which there are shaft supports. In upper part of pressure housing and shaft there is a groove seal, consisting of partition and reflector, end seal is supported on bushing-simulator through an adjustment ring. Between motor and shaft through adjustment ring there is a flexible coupling, and pressure housing is installed on base through a system of wedge-like washers.

EFFECT: higher quality of performed tests of end seals and higher reliability of stand.

1 cl, 1 dwg