Control rod driving device
The utility model discloses a control rod driving device, which is used for driving a control rod to do lifting motion in a pressure vessel and comprises a driving component, a control rod driving component and a control rod driving component, the transmission assembly is arranged on the top cover a...
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| Hauptverfasser: | , , , |
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model discloses a control rod driving device, which is used for driving a control rod to do lifting motion in a pressure vessel and comprises a driving component, a control rod driving component and a control rod driving component, the transmission assembly is arranged on the top cover and the supporting plate of the pressure container in a penetrating mode, and the transmission assembly comprises a first transmission part, a second transmission part and a third transmission part which are sequentially arranged from outside to inside in a sleeving mode; a first thread pair is arranged between the first transmission part and the second transmission part; a second thread pair is arranged between the second transmission part and the third transmission part; the tail end of the third transmission part is fixedly connected with a control rod; the first transmission part is connected with the driving assembly, rotates under the driving of the driving assembly and drives the second transmission part to d |
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