Vertical suspension shaft structure, motor, generator host, generator set and system

• Main Authors: LI BIAO, LIAO JIAXI, WANG JUN, LI SHUHENG, MA JUCHANG, LONG XITING, XIE HEPING
• Format: Patent
• Language: Chinese; English
• Published: 16.05.2023
• Subjects: BEARINGS; BLASTING; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; DYNAMO-ELECTRIC MACHINES; ELECTRICITY; ELEMENTS OR CRANKSHAFT MECHANISMS; ENGINE PLANTS IN GENERAL; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINEERING ELEMENTS AND UNITS; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES; FLEXIBLE SHAFTS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; GENERATION; HEATING; LIGHTING; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES; ROTARY BODIES OTHER THAN GEARING ELEMENTS; SHAFTS; STEAM ACCUMULATORS; STEAM ENGINE PLANTS; STEAM ENGINES; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model relates to a vertical type suspension shaft structure, a motor, a generator main machine, a generator set and a system, the vertical type suspension shaft structure comprises a casing, a rotor, a stator, an impeller, a radial air suspension bearing and a permanent magnet suspension bearing, the casing is provided with a high-pressure air inlet and a low-pressure air outlet, the rotor is vertically arranged in the casing, and the generator stator surrounds the outer side of the rotor. The impeller is arranged on the rotor and corresponds to the high-pressure air inlet; the upper end and the lower end of the rotor are sleeved with the radial air suspension bearings respectively, and the lower end of the rotor is connected with the rotor permanent magnet bearing. The stator permanent magnet bearing is provided with an electromagnetic coil, and the rotor permanent magnet bearing is connected with a displacement sensor. The permanent magnet suspension bearing is used for supporting the weight, th