| abstract |
The utility model relates to a magnetic suspension bearing subassembly and compressor. The magnetic suspension bearing subassembly includes magnetic suspension bearing, fixed casing and work clearance adjustment device, magnetic suspension bearing includes first iron core, second iron core and thrust disc, work clearance adjustment device along radial set up between inside week of footpath of fixed casing and thrust disc and along the axial setting between fixed casing and second iron core, work clearance adjustment device's axial one end and second iron core butt are and fix to be equipped with between casing and the second iron core and keep away the space crack, and the length that can change between work clearance adjustment device's the axial both ends realizes the adjustment to magnetic suspension bearing work clearance, make the work clearance conform to with the design value. The utility model discloses can effectively avoid under the prerequisite to machining error that magnetic suspension bearing secondary operation led to the fact and coil damage risk, conveniently realize the adjustment to magnetic suspension bearing work clearance. |