Flywheel heater for main pump motor maintenance
The present invention belongs to the nuclear power station flywheel motor device maintenance technology field, and especially relates to a flywheel heater for main pump motor maintenance. The objective of the invention is to solve the problem that the flywheel is directly dismounted from a motor sha...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The present invention belongs to the nuclear power station flywheel motor device maintenance technology field, and especially relates to a flywheel heater for main pump motor maintenance. The objective of the invention is to solve the problem that the flywheel is directly dismounted from a motor shaft to cause damaging of a device. The flywheel heater comprises an upper portion and a lower portion; the upper portion is an annular portion with hollow middle portion, and the diameter of the annular inner circle of the upper portion is larger than or equal to the diameter of the motor shaft; the lower portion is an annular portion with hollow middle portion, and the diameter of the annular inner circle of the lower portion is larger than or equal to the diameter of the motor flywheel; the upper layer in the hollow portion of the upper portion is provided with a thermal insulation layer, and the lower layer thereof is provided with a heat conduction layer; a heat conduction layer is arranged in the hollow portion |
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