CN101958620A - High-voltage explosion-proof type three-phase asynchronous motor - Google Patents

High-voltage explosion-proof type three-phase asynchronous motor Download PDF

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Publication number
CN101958620A
CN101958620A CN 201010522438 CN201010522438A CN101958620A CN 101958620 A CN101958620 A CN 101958620A CN 201010522438 CN201010522438 CN 201010522438 CN 201010522438 A CN201010522438 A CN 201010522438A CN 101958620 A CN101958620 A CN 101958620A
Authority
CN
China
Prior art keywords
bearing
cover
rotor
copper
end cap
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN 201010522438
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Chinese (zh)
Inventor
李幸运
郝萍
耿治起
陈中洋
田儒彰
张运生
张闻霞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanyang Explosion Protection Group Co Ltd
Original Assignee
Nanyang Explosion Protection Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanyang Explosion Protection Group Co Ltd filed Critical Nanyang Explosion Protection Group Co Ltd
Priority to CN 201010522438 priority Critical patent/CN101958620A/en
Publication of CN101958620A publication Critical patent/CN101958620A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a high-voltage explosion-proof type three-phase asynchronous motor comprising a rotor, a stator, an outer bearing cover, a bearing, a bearing sleeve, an inner bearing cover, an end cover, a base, a wind guiding cylinder, a junction box and a junction box supporting seat, wherein the bearing is used for supporting the rotor; the end cover is connected with the base by bolts, the bearing sleeve is connected with the end cover by bolts, the inner bearing cover is connected with the end cover by bolts, the outer bearing cover is connected with the end cover by bolts, the rotor is a copper strip rotor, a copper end ring is arranged on the rotor, a groove is arranged on the copper end ring through the groove, and a copper guiding strip is connected with the copper end ring and is directly inserted into a rotor groove. The invention has the characteristics of simple and compact structure, small volume, attractive appearance, high efficiency, energy saving and convenient and reliable maintenance and use.

Description

The high voltage flameproof threephase asynchronous
Technical field
The present invention relates to a kind of high voltage flameproof threephase asynchronous.
Background technology
Present domestic compact structure high voltage flameproof threephase asynchronous characteristics are: (1) support makes cylinder iron HT250 or welded-steel plate construction; (2) rotor is a cast-aluminum rotor; (3) motor efficiency is not high, the general portion of 6kV guarantee value only 96.5%; (4) motor capacity is little, and 6kV power generally is no more than 1800kW.Simultaneously, big, the Heavy Weight of motor volume.
Summary of the invention
The purpose of this invention is to provide a kind of compact conformation, energy-efficient high voltage flameproof threephase asynchronous.
For achieving the above object, the technical solution used in the present invention is:
The high voltage flameproof threephase asynchronous, it comprises rotor, stator, bearing end cover, bearing, bearing holder (housing, cover), internal bearing cover, end cap, support, ventilating duct, terminal box, terminal box bearing, the bearing supporting rotor, end cap all is connected by bolt with end cap with end cap, bearing end cover with end cap, internal bearing cover with support, bearing holder (housing, cover), rotor is a copper bar rotor, rotor is provided with the copper end ring, the copper end ring is provided with groove, the copper sliver is connected with the copper end ring by groove, and the copper sliver directly inserts in the rotor.
The rotor of copper end ring inboard is provided with the skewed slot trim ring.
Internal bearing cover and bearing holder (housing, cover) constitute explosion suppresion surface, and internal bearing cover and rotor form explosion suppresion surface, and bearing holder (housing, cover) and end cap constitute explosion suppresion surface, and end cap and support constitute explosion suppresion surface, and terminal box bearing and support constitute explosion suppresion surface, and terminal box bearing and terminal box constitute explosion suppresion surface.
The fin that support is provided with trapezoidal air duct and level, vertically distributes, support uses spheroidal graphite cast-iron.
Ventilating duct is provided with fan-shaped ventilating opening, and the ventilating duct outside is provided with internal fan, and the end cap outside of internal fan end is provided with external fan, and the external fan outside is provided with the end shield that covers external fan, end shield and support overlap joint.
Among the present invention, rotor is a copper bar rotor, significantly improve motor capacity, efficient, improve the power factor of motor; Motor rotor copper end ring and sliver contact position process groove, fastening welding between the two, and the postwelding flaw detection, this structure helps end ring and sliver cooperates fully, and has guaranteed the reliability of rotor; The copper sliver directly inserts in the rotor, and this structure effectively improves effective material usage; The rotor of copper end ring inboard is provided with the skewed slot trim ring, has not only guaranteed the intensity of copper bar rotor but also can effectively guarantee the effect of axial ventilation; Internal bearing cover and bearing holder (housing, cover) constitute explosion suppresion surface, and internal bearing cover and rotor form explosion suppresion surface, and bearing holder (housing, cover) and end cap constitute explosion suppresion surface, end cap and support constitute explosion suppresion surface, terminal box bearing and support constitute explosion suppresion surface, and terminal box bearing and terminal box constitute explosion suppresion surface, compact conformation; Support uses spheroidal graphite cast-iron, makes support have higher intensity, rigidity and corrosion resistance; The fin and the fairshaped inside and outside wind path that use trapezoidal air duct and level vertically to distribute have strengthened the heat sinking function of support greatly, and have beautified outward appearance; Fan-shaped ventilation hole is set on the ventilating duct, and wind path is more smooth and easy in making, and improves heat-sinking capability.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the enlarged drawing of A among Fig. 1;
Fig. 4 is the partial sectional view of B among Fig. 2.
Embodiment
Shown in Fig. 1 to 4, the high voltage flameproof threephase asynchronous, it comprises rotor 1, stator 10, bearing end cover 2, bearing 3, bearing holder (housing, cover) 4, internal bearing cover 5, end cap 6, support 7, ventilating duct 12, terminal box 17, terminal box bearing 18, bearing 3 supporting rotors 1, end cap 6 all is connected by bolt with end cap 6 with end cap 6, bearing end cover 2 with end cap 6, internal bearing cover 5 with support 7, bearing holder (housing, cover) 4, rotor 1 is a copper bar rotor, significantly improves capacity, the efficient of motor, improves the power factor of motor; Rotor 1 is provided with copper end ring 8, and copper end ring 8 is provided with groove, and copper sliver 9 is by groove and 8 welding of copper end ring, the postwelding flaw detection, this structure helps copper end ring 8 and copper sliver 9 cooperates fully, and has guaranteed the reliability of rotor 1, and copper sliver 9 directly inserts in the rotor.The rotor 1 of copper end ring 8 inboards is provided with skewed slot trim ring 11, makes rotor 1 obtain higher reliability when having improved motor properties.Internal bearing cover 5 constitutes explosion suppresion surface with bearing holder (housing, cover) 4, internal bearing cover 5 forms explosion suppresion surface with rotor 1, and bearing holder (housing, cover) 4 constitutes explosion suppresion surface with end cap 6, and end cap 6 constitutes explosion suppresion surface with support 7, terminal box bearing 18 constitutes explosion suppresion surface with support 7, and terminal box bearing 18 constitutes explosion suppresion surface with terminal box 17.The fin that support 7 is provided with trapezoidal air duct 19 and level, vertically distributes, support 7 uses spheroidal graphite cast-iron.Ventilating duct 12 is provided with fan-shaped ventilating opening 13, ventilating duct 12 outsides are provided with internal fan 14, end cap 6 outsides of internal fan 14 ends are provided with external fan 15, external fan 15 outsides are provided with the end shield 16 that covers external fan 15, end shield 16 and support 7 overlap joints, internal fan 14 and external fan 15 actings in conjunction can reduce the loss of electric machine to greatest extent.

Claims (5)

1. high voltage flameproof threephase asynchronous, it comprises rotor, stator, bearing end cover, bearing, bearing holder (housing, cover), internal bearing cover, end cap, support, ventilating duct, terminal box, terminal box bearing, the bearing supporting rotor, end cap all is connected by bolt with end cap with end cap, bearing end cover with end cap, internal bearing cover with support, bearing holder (housing, cover), it is characterized in that, rotor is a copper bar rotor, rotor is provided with the copper end ring, the copper end ring is provided with groove, the copper sliver is connected with the copper end ring by groove, and the copper sliver directly inserts in the rotor.
2. high voltage flameproof threephase asynchronous as claimed in claim 1 is characterized in that, the rotor of copper end ring inboard is provided with the skewed slot trim ring.
3. high voltage flameproof threephase asynchronous as claimed in claim 1 or 2, it is characterized in that, internal bearing cover and bearing holder (housing, cover) constitute explosion suppresion surface, internal bearing cover and rotor form explosion suppresion surface, bearing holder (housing, cover) and end cap constitute explosion suppresion surface, end cap and support constitute explosion suppresion surface, and terminal box bearing and support constitute explosion suppresion surface, and terminal box bearing and terminal box constitute explosion suppresion surface.
4. high voltage flameproof threephase asynchronous as claimed in claim 3 is characterized in that, the fin that support is provided with trapezoidal air duct and level, vertically distributes, and support uses spheroidal graphite cast-iron.
5. high voltage flameproof threephase asynchronous as claimed in claim 4 is characterized in that ventilating duct is provided with fan-shaped ventilating opening, the ventilating duct outside is provided with internal fan, the end cap outside of internal fan end is provided with external fan, and the external fan outside is provided with the end shield that covers external fan, end shield and support overlap joint.
CN 201010522438 2010-10-28 2010-10-28 High-voltage explosion-proof type three-phase asynchronous motor Pending CN101958620A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201010522438 CN101958620A (en) 2010-10-28 2010-10-28 High-voltage explosion-proof type three-phase asynchronous motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201010522438 CN101958620A (en) 2010-10-28 2010-10-28 High-voltage explosion-proof type three-phase asynchronous motor

Publications (1)

Publication Number Publication Date
CN101958620A true CN101958620A (en) 2011-01-26

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102201710A (en) * 2011-06-11 2011-09-28 福建惠丰电机有限公司 Superhigh-efficiency brazed motor rotor
CN103023191A (en) * 2011-09-28 2013-04-03 永济新时速电机电器有限责任公司 Flame-proof type natural cooling asynchronous motor
CN105375717A (en) * 2015-12-11 2016-03-02 卧龙电气南阳防爆集团股份有限公司 Motor for large-sized fan of YBF800-900 8-12P series
CN105515258A (en) * 2015-12-03 2016-04-20 卧龙电气南阳防爆集团股份有限公司 Explosion-proof and safety-increased type composite explosion-proof motor with current transformer
CN107040108A (en) * 2017-06-26 2017-08-11 中煤科工集团重庆研究院有限公司 Coal mine belt conveyor high-pressure explosion-proof type three-phase asynchronous
CN107276313A (en) * 2017-06-26 2017-10-20 中煤科工集团重庆研究院有限公司 High power density compact mine ventilator motor
CN107733131A (en) * 2017-06-26 2018-02-23 中煤科工集团重庆研究院有限公司 Motor radiating support assembly
CN113726043A (en) * 2021-09-06 2021-11-30 合肥恒大江海泵业股份有限公司 Submersible motor rotor

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2579067Y (en) * 2002-11-20 2003-10-08 佳木斯电机股份有限公司 Compact explosion-proof high-voltage motor
CN201466931U (en) * 2009-05-22 2010-05-12 南阳防爆电气研究所有限公司 Flameproof type three-phase asynchronous motor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2579067Y (en) * 2002-11-20 2003-10-08 佳木斯电机股份有限公司 Compact explosion-proof high-voltage motor
CN201466931U (en) * 2009-05-22 2010-05-12 南阳防爆电气研究所有限公司 Flameproof type three-phase asynchronous motor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
> 20050125 徐波 转子铜条与端环的焊接 , 2 *

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102201710A (en) * 2011-06-11 2011-09-28 福建惠丰电机有限公司 Superhigh-efficiency brazed motor rotor
CN103023191A (en) * 2011-09-28 2013-04-03 永济新时速电机电器有限责任公司 Flame-proof type natural cooling asynchronous motor
CN105515258A (en) * 2015-12-03 2016-04-20 卧龙电气南阳防爆集团股份有限公司 Explosion-proof and safety-increased type composite explosion-proof motor with current transformer
CN105515258B (en) * 2015-12-03 2018-05-18 卧龙电气南阳防爆集团股份有限公司 A kind of flame proof of electrified current transformer+increased safety composite anti-explosion motor
CN105375717A (en) * 2015-12-11 2016-03-02 卧龙电气南阳防爆集团股份有限公司 Motor for large-sized fan of YBF800-900 8-12P series
CN107040108A (en) * 2017-06-26 2017-08-11 中煤科工集团重庆研究院有限公司 Coal mine belt conveyor high-pressure explosion-proof type three-phase asynchronous
CN107276313A (en) * 2017-06-26 2017-10-20 中煤科工集团重庆研究院有限公司 High power density compact mine ventilator motor
CN107733131A (en) * 2017-06-26 2018-02-23 中煤科工集团重庆研究院有限公司 Motor radiating support assembly
CN107733131B (en) * 2017-06-26 2020-05-05 中煤科工集团重庆研究院有限公司 Motor heat dissipation base assembly
CN113726043A (en) * 2021-09-06 2021-11-30 合肥恒大江海泵业股份有限公司 Submersible motor rotor

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Application publication date: 20110126