CN107017730A - The wide many inlet wire explosion-proof frequency conversion speed-regulating three-phase asynchronous motors of pressure of wideband - Google Patents
The wide many inlet wire explosion-proof frequency conversion speed-regulating three-phase asynchronous motors of pressure of wideband Download PDFInfo
- Publication number
- CN107017730A CN107017730A CN201710369330.1A CN201710369330A CN107017730A CN 107017730 A CN107017730 A CN 107017730A CN 201710369330 A CN201710369330 A CN 201710369330A CN 107017730 A CN107017730 A CN 107017730A
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- China
- Prior art keywords
- bearing
- support
- regulating
- frequency conversion
- inlet wire
- 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
Links
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 15
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 11
- 238000004804 winding Methods 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K17/00—Asynchronous induction motors; Asynchronous induction generators
- H02K17/02—Asynchronous induction motors
- H02K17/12—Asynchronous induction motors for multi-phase current
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/161—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at both ends of the rotor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The present invention relates to a kind of wide many inlet wire explosion-proof frequency conversion speed-regulating three-phase asynchronous motors of pressure of wideband, support is the cylinder barrel of the axle centered on rotating shaft, fore bearing, cast-aluminum rotor and rear bearing are cased with rotating shaft successively, winding stator core has been cased with the outside of cast-aluminum rotor, there is winding stator core to be fitted in support, forward and backward bearing is separately mounted to front end, in the bearing chamber of rear end cap, and forward and backward end cap is fixed with support, it is characterised in that：Independent cooling fan of the support provided with several wire outlet seats and upright structures, wire outlet seat is welded on the different azimuth of support, and line outlet is stamped on outlet cover plate, one of wire outlet seat and terminal box is housed；The present invention makes motor inlet-outlet line mode various, good cooling results by setting the wire outlet seat of several different azimuths and the independent cooling fan of upright structures on support, and the electric motor structure is compact, voltage range is big, tuning range is wide, and operation stability is high, safe and reliable.
Description
Technical field
The present invention relates to a kind of adjustable frequency motor, especially a kind of wide many inlet wire explosion-proof frequency conversion speed governing three of pressure of wideband are different
Motor is walked, belongs to the technical field of flame proof frequency conversion special (type) motor.
Background technology
At present, domestic explosion-proof frequency conversion speed-regulating three-phase asynchronous motor generally uses rated voltage frequency modulation, voltage pulsation model
± 5% is enclosed, voltage adjustable extent is narrow, and motor inlet-outlet line mode fixed single, usually eject line（Somewhat special is left outlet
Or right outlet）, while cooling blower is arranged on the afterbody of motor, the axial dimension of the motor considerably increased, motor
Overall length is longer.
The scope of application of existing motor is very limited, it is impossible to meet the demand of client, especially external client, Ke Huyi
As require that Width funtion frequency modulation or many inlet wires or motor overall length are required, be more very it is several require unification, existing flame-proof type
Frequency converting speed regulating three-phase asynchronous electromotor can not just meet customer need.
The content of the invention
The purpose of the present invention is to overcome the deficiencies in the prior art to become there is provided a kind of wide many inlet wire flame-proof types of pressure of wideband
Frequency speed-regulating three-phase asynchronous motor, its compact conformation, voltage range is big, tuning range is wide, and wire leading method is various, cooling effect
Good, operation stability is high, safe and reliable.
To realize above technical purpose, the technical solution adopted by the present invention is：The wide many inlet wire explosion-proof frequency conversions of pressure of wideband are adjusted
Fast threephase asynchronous, including support and rotating shaft, the support be in the cylinder barrel of the axle centered on rotating shaft, the rotating shaft according to
Secondary be socketed with the outside of fore bearing, cast-aluminum rotor and rear bearing, the cast-aluminum rotor has been cased with winding stator core, described to have winding
Stator core hot jacket is fitted in support, and the fore bearing and rear bearing are separately mounted to the bearing that drive end bearing bracket and rear end cap are formed
Interior, the drive end bearing bracket and rear end cap are fixed by nut with support, it is characterised in that：The support goes out provided with several
Line seat, several described wire outlet seats are welded on the conplane different azimuth of support, and the line outlet of the wire outlet seat is stamped outlet
Cover plate, the outlet cover plate is fixed by bolt with wire outlet seat, and the terminal box for inlet wire is provided with one of wire outlet seat,
Independent cooling fan is also equipped with the support, the independent cooling fan uses upright structures.
Further, the fore bearing is by fore bearing enclosing cover and fore bearing inner cap axial restraint, and the rear bearing passes through
Internal bearing cover and rear bearing end cover axial restraint afterwards, are provided with preceding oil scraper ring between the fore bearing enclosing cover and fore bearing, it is described after
Rear oil scraper ring is provided between bearing end cover and rear bearing.
Further, in addition to oiling needle tubing, the oiling needle tubing includes preceding oiling needle tubing and rear oiling needle tubing, it is described before
Oiling needle tubing is plugged in fore bearing enclosing cover, and the fore bearing enclosing cover and drive end bearing bracket are equipped with the pipeline towards fore bearing, described
Preceding oiling needle tubing is connected by pipeline with bearing chamber；The rear oiling needle tubing is plugged in rear bearing end cover, outside the rear bearing
Lid and rear end cap are equipped with the pipeline towards rear bearing, and the rear oiling needle tubing is connected by pipeline with bearing chamber.
Further, the rotating shaft stretches out the end of drive end bearing bracket provided with axis.
Further, ventilating duct and internal fan are additionally provided between the cast-aluminum rotor and rear bearing, the ventilating duct and interior
Fan is socketed in rotating shaft.
Further, the support is welded using steel plate, and two foot-supporting frames are additionally provided with support.
From the above, it can be seen that the technical effects of the invention are that：
1）The multiple wire outlet seats of use of the wide many inlet wire explosion-proof frequency conversion speed-regulating three-phase asynchronous motors of pressure of wideband of the present invention are welded on
The different azimuth of support, is easy to multi-faceted outlet；
2）A terminal box wire outlet seat installed therein for inlet wire, and according to actual inlet wire situation, terminal box is set
Installation site, inlet wire is convenient, flexible；
3）The independent cooling fan installed on support, using upright structures, compared with existing structure, substantially reduces electricity
The axial dimension of motivation, has been effectively compressed the total length of motor.
Brief description of the drawings
Fig. 1 is the upper profile of front view of the present invention.
Fig. 2 is Fig. 1 left view.
Description of reference numerals：Oiling device, 5- fore bearings, 6- before oil scraper ring, 4- before 1- axles card, 2- fore bearings enclosing cover, 3-
Drive end bearing bracket, 7- fore bearings inner cap, 8- supports, 9- have wound stator iron core, 10- rotating shafts, 11- cast-aluminum rotors, 12- ventilating ducts, 13-
Kept off after internal fan, 14- after internal bearing cover, 15- rear end caps, 16- after oiling device, 17- after bearing, 18- after bearing end cover, 19-
Oil ring, 20- terminal boxes, 21- outlets cover plate, 22- foot-supporting frames, 23- independent cooling fans, 24- wire outlet seats.
Embodiment
With reference to specific drawings and examples, the invention will be further described.
With reference to the accompanying drawings shown in 1 and Fig. 2, the wide many inlet wire explosion-proof frequency conversion speed-regulating three-phase asynchronous motors of pressure of wideband, including machine
Seat 8 and rotating shaft 10, the support 8 is the cylinder barrel of the axle centered on rotating shaft 10, and fore bearing is socketed with successively in the rotating shaft 10
5th, cast-aluminum rotor 11, ventilating duct 12, internal fan 13 and rear bearing 17, the outside of cast-aluminum rotor 11 have been cased with winding stator core
9, described to have the hot jacket of winding stator core 9 to be fitted in support 8, the fore bearing 5 and rear bearing 17 are separately mounted to drive end bearing bracket 6
In the bearing chamber of the formation of rear end cap 15, the drive end bearing bracket 6 and rear end cap 15 are fixed by nut with support 8, the rotating shaft
10 ends for stretching out drive end bearing bracket 6 are provided with axis 1, it is characterised in that：The support 8 is provided with several wire outlet seats 24, if described
A dry wire outlet seat 24 is welded on the conplane different azimuth of support 8, and the line outlet of the wire outlet seat 24 is stamped outlet cover plate 21,
The outlet cover plate 21 is fixed by bolt with wire outlet seat 24, and the terminal box for inlet wire is provided with one of wire outlet seat 24
20, independent cooling fan 23 is also equipped with the support 8, and the independent cooling fan 23 uses upright structures, the machine
Seat 8 is welded using steel plate, and two foot-supporting frames 22 are additionally provided with support 8.
The fore bearing 5 is by fore bearing enclosing cover 2 and the axial restraint of fore bearing inner cap 7, and the rear bearing 17 passes through rear axle
Inner cap 14 and the axial restraint of rear bearing end cover 18 are held, preceding oil scraper ring 3 is provided between the fore bearing enclosing cover 2 and fore bearing 5, it is described
It is provided with afterwards between bearing end cover 18 and rear bearing 17 in rear oil scraper ring 19, the fore bearing enclosing cover 2 and rear bearing end cover 18 respectively
Preceding oiling needle tubing 4 and rear oiling needle tubing 16 are plugged with, and the fore bearing enclosing cover 2 and drive end bearing bracket 6 are equipped with towards fore bearing 5
Pipeline, the rear bearing end cover 18 is connected with bearing chamber by pipeline for the preceding oiling needle tubing 4 and rear end cap 15 is equipped with and led to
The pipeline of bearing 17 afterwards, the rear oiling needle tubing 16 is connected by pipeline with bearing chamber.
It is a feature of the present invention that multiple wire outlet seats 24 are set on the support 8 of motor, terminal box 20 installed therein one
On individual wire outlet seat 24, for inlet wire, according to actual inlet wire situation, the installation site of terminal box 20 is set, remaining wire outlet seat 24 is used
Outlet cover plate 21 is encapsulated, and multiple wire outlet seats 24 are arranged on conplane different azimuth, facilitate multi-faceted outlet；Front and rear setting is not
Oiling needle tubing is shut down, prevents front and back bearings from getting rusty；Independent cooling fan 23 uses upright structures, substantially reduces motor
Axial length.The electric motor structure is compact, and voltage range is big, tuning range is wide, and inlet-outlet line mode is various, good cooling results, fortune
Row stability is high, safe and reliable.
Above to the present invention and embodiments thereof be described, the description does not have restricted, shown in accompanying drawing also only
It is one of embodiments of the present invention, actual structure is not limited thereto.If one of ordinary skill in the art is opened by it
Show, without departing from the spirit of the invention, the structure side similar to the technical scheme is designed without creative
Formula and embodiment, all should belong to protection scope of the present invention.
Claims (6)
1. the wide many inlet wire explosion-proof frequency conversion speed-regulating three-phase asynchronous motors of pressure of wideband, including support（8）And rotating shaft（10）, the machine
Seat（8）It is with rotating shaft（10）Centered on axle cylinder barrel, the rotating shaft（10）On be socketed with fore bearing successively（5）, cast-aluminum rotor
（11）With rear bearing（17）, the cast-aluminum rotor（11）Outside has been cased with winding stator core（9）, it is described to have winding stator core
（9）Hot jacket is fitted in support（8）It is interior, the fore bearing（5）With rear bearing（17）It is separately mounted to drive end bearing bracket（6）And rear end cap
（15）In the bearing chamber of formation, the drive end bearing bracket（6）And rear end cap（15）Pass through nut and support（8）Fixed, its feature exists
In：The support（8）It is provided with several wire outlet seats（24）, several described wire outlet seats（24）It is welded on support（8）It is same flat
The different azimuth in face, the wire outlet seat（24）Line outlet be stamped outlet cover plate（21）, the outlet cover plate（21）Pass through bolt
With wire outlet seat（24）It is fixed, one of wire outlet seat（24）On terminal box for inlet wire is installed（20）, the support（8）On
It is also equipped with independent cooling fan（23）, the independent cooling fan（23）Using upright structures.
2. the wide many inlet wire explosion-proof frequency conversion speed-regulating three-phase asynchronous motors of pressure of wideband according to claim 1, its feature exists
In：The fore bearing（5）Pass through fore bearing enclosing cover（2）With fore bearing inner cap（7）Axial restraint, the rear bearing（17）By rear
Internal bearing cover（14）With rear bearing end cover（18）Axial restraint, the fore bearing enclosing cover（2）And fore bearing（5）Between be provided with front
Oil ring（3）, the rear bearing end cover（18）With rear bearing（17）Between be provided with rear oil scraper ring（19）.
3. the wide many inlet wire explosion-proof frequency conversion speed-regulating three-phase asynchronous motors of pressure of wideband according to claim 1, its feature exists
In：Also include oiling needle tubing, the oiling needle tubing includes preceding oiling needle tubing（4）With rear oiling needle tubing（16）, the preceding oiling pin
Pipe（4）It is plugged on fore bearing enclosing cover（2）It is interior, the fore bearing enclosing cover（2）And drive end bearing bracket（6）It is equipped with towards fore bearing（5）'s
Pipeline, the preceding oiling needle tubing（4）Connected by pipeline with bearing chamber；The rear oiling needle tubing（16）It is plugged on rear bearing end cover
（18）It is interior, the rear bearing end cover（18）And rear end cap（15）It is equipped with towards rear bearing（17）Pipeline, the rear oiling pin
Pipe（16）Connected by pipeline with bearing chamber.
4. the wide many inlet wire explosion-proof frequency conversion speed-regulating three-phase asynchronous motors of pressure of wideband according to claim 1, its feature exists
In：The rotating shaft（10）Stretch out drive end bearing bracket（6）End be provided with axis（1）.
5. the wide many inlet wire explosion-proof frequency conversion speed-regulating three-phase asynchronous motors of pressure of wideband according to claim 1, its feature exists
In：The cast-aluminum rotor（11）With rear bearing（17）Between be additionally provided with ventilating duct（12）And internal fan（13）, the ventilating duct
（12）And internal fan（13）It is socketed in rotating shaft（10）On.
6. the wide many inlet wire explosion-proof frequency conversion speed-regulating three-phase asynchronous motors of pressure of wideband according to claim 1, its feature exists
In：The support（8）It is welded using steel plate, and support（8）On be additionally provided with two foot-supporting frames（22）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710369330.1A CN107017730A (en) | 2017-05-23 | 2017-05-23 | The wide many inlet wire explosion-proof frequency conversion speed-regulating three-phase asynchronous motors of pressure of wideband |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710369330.1A CN107017730A (en) | 2017-05-23 | 2017-05-23 | The wide many inlet wire explosion-proof frequency conversion speed-regulating three-phase asynchronous motors of pressure of wideband |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107017730A true CN107017730A (en) | 2017-08-04 |
Family
ID=59450791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710369330.1A Pending CN107017730A (en) | 2017-05-23 | 2017-05-23 | The wide many inlet wire explosion-proof frequency conversion speed-regulating three-phase asynchronous motors of pressure of wideband |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107017730A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107769429A (en) * | 2017-12-07 | 2018-03-06 | 中车永济电机有限公司 | The stator core fixed structure of aluminum support motor |
| CN114204757A (en) * | 2021-11-26 | 2022-03-18 | 宁夏西北骏马电机制造股份有限公司 | Manufacturing method of explosion-proof variable-frequency low-speed direct-drive water-cooling type three-phase asynchronous motor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102983661A (en) * | 2012-12-10 | 2013-03-20 | 文登奥文电机有限公司 | Motor base structure |
| CN204205893U (en) * | 2014-12-03 | 2015-03-11 | 佛山市顺德区信源电机有限公司 | The special frequency-changing three-phase asynchronous motor of a kind of energy-saving water pump |
| CN204652119U (en) * | 2015-05-06 | 2015-09-16 | 德州恒力电机有限责任公司 | A kind of split type explosion-proof type three-phase asynchronous motor junction box |
| CN105006904A (en) * | 2015-08-11 | 2015-10-28 | 中达电机股份有限公司 | High efficiency compact type high voltage explosion-proof motor |
| CN206850581U (en) * | 2017-05-23 | 2018-01-05 | 中达电机股份有限公司 | The wide more inlet wire explosion-proof frequency conversion speed-regulating three-phase asynchronous motors of pressure of wideband |
-
2017
- 2017-05-23 CN CN201710369330.1A patent/CN107017730A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102983661A (en) * | 2012-12-10 | 2013-03-20 | 文登奥文电机有限公司 | Motor base structure |
| CN204205893U (en) * | 2014-12-03 | 2015-03-11 | 佛山市顺德区信源电机有限公司 | The special frequency-changing three-phase asynchronous motor of a kind of energy-saving water pump |
| CN204652119U (en) * | 2015-05-06 | 2015-09-16 | 德州恒力电机有限责任公司 | A kind of split type explosion-proof type three-phase asynchronous motor junction box |
| CN105006904A (en) * | 2015-08-11 | 2015-10-28 | 中达电机股份有限公司 | High efficiency compact type high voltage explosion-proof motor |
| CN206850581U (en) * | 2017-05-23 | 2018-01-05 | 中达电机股份有限公司 | The wide more inlet wire explosion-proof frequency conversion speed-regulating three-phase asynchronous motors of pressure of wideband |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107769429A (en) * | 2017-12-07 | 2018-03-06 | 中车永济电机有限公司 | The stator core fixed structure of aluminum support motor |
| CN114204757A (en) * | 2021-11-26 | 2022-03-18 | 宁夏西北骏马电机制造股份有限公司 | Manufacturing method of explosion-proof variable-frequency low-speed direct-drive water-cooling type three-phase asynchronous motor |
| CN114204757B (en) * | 2021-11-26 | 2023-11-24 | 宁夏西北骏马电机制造股份有限公司 | Manufacturing method of flameproof variable-frequency low-speed direct-drive water-cooled three-phase asynchronous motor |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20170804 |