Hollow vertical shaft type permanent magnet synchronous drive device for screw pump

The utility model relates to a hollow vertical shaft type permanent magnet synchronous drive device for a screw pump, belonging to a mechanical ground-driving device of oil production in oilfields. The hollow vertical shaft type permanent magnet synchronous drive device for the screw pump is charact...

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Hauptverfasser:	CUI GANGDOU, XU JIANNING, LU JIAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY GENERATION HEATING LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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creator	CUI GANGDOU XU JIANNING LU JIAN
description	The utility model relates to a hollow vertical shaft type permanent magnet synchronous drive device for a screw pump, belonging to a mechanical ground-driving device of oil production in oilfields. The hollow vertical shaft type permanent magnet synchronous drive device for the screw pump is characterized in that a drive motor is a direct driven synchronous motor; an electromotor shaft is a vertical hollow structure, and a polished rod is passed through the electromotor shaft and is fixedly connected with the shaft through a slip and a shaft coupling; when the electromotor rotates, the rotation of the polished rod can be driven synchronously, and at last the rotation of the screw pump under the well is driven to lift the oil, thereby leaving out belt drive and a reducer; an open-loop control is used; a magneto-sensitive position sensor is taken away; oil hole tanks are arranged between the bearing in the electromotor and the casing; and the oils can be changed, cleaned, and added in time, thereby prolonging s
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The hollow vertical shaft type permanent magnet synchronous drive device for the screw pump is characterized in that a drive motor is a direct driven synchronous motor; an electromotor shaft is a vertical hollow structure, and a polished rod is passed through the electromotor shaft and is fixedly connected with the shaft through a slip and a shaft coupling; when the electromotor rotates, the rotation of the polished rod can be driven synchronously, and at last the rotation of the screw pump under the well is driven to lift the oil, thereby leaving out belt drive and a reducer; an open-loop control is used; a magneto-sensitive position sensor is taken away; oil hole tanks are arranged between the bearing in the electromotor and the casing; and the oils can be changed, cleaned, and added in time, thereby prolonging s</description><language>chi ; eng</language><subject>BLASTING ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; DYNAMO-ELECTRIC MACHINES ; ELECTRICITY ; GENERATION ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS ; PUMPS ; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ; WEAPONS</subject><creationdate>2010</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20100602&DB=EPODOC&CC=CN&NR=201496240U$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20100602&DB=EPODOC&CC=CN&NR=201496240U$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>CUI GANGDOU</creatorcontrib><creatorcontrib>XU JIANNING</creatorcontrib><creatorcontrib>LU JIAN</creatorcontrib><title>Hollow vertical shaft type permanent magnet synchronous drive device for screw pump</title><description>The utility model relates to a hollow vertical shaft type permanent magnet synchronous drive device for a screw pump, belonging to a mechanical ground-driving device of oil production in oilfields. 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language	chi ; eng
recordid	cdi_epo_espacenet_CN201496240UU
source	esp@cenet
subjects	BLASTING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY GENERATION HEATING LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
title	Hollow vertical shaft type permanent magnet synchronous drive device for screw pump
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