CN109639038A - A kind of high-speed high capacity threephase asynchronous - Google Patents
A kind of high-speed high capacity threephase asynchronous Download PDFInfo
- Publication number
- CN109639038A CN109639038A CN201811562786.0A CN201811562786A CN109639038A CN 109639038 A CN109639038 A CN 109639038A CN 201811562786 A CN201811562786 A CN 201811562786A CN 109639038 A CN109639038 A CN 109639038A
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- Prior art keywords
- ring
- threephase asynchronous
- shaft
- high capacity
- balance
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Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 238000005119 centrifugation Methods 0.000 claims description 4
- 230000013011 mating Effects 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 2
- 238000000703 high-speed centrifugation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect 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
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/04—Balancing means
-
- 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
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
-
- 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
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of high-speed high capacity threephase asynchronous, including base, shaft, rotor, stator, end cap, bearing and centrifugal fan, the end cap uses the fixing structure with indent evagination；The shaft is evenly distributed on the outer peripheral surface of shaft part is installed with the more raised axial ribs axially extended therebetween；The radially inner side of the centrifugal fan and raised axial rib corresponding position are installed with multiple mounting boss, and centrifugal fan is set in shaft and its mounting boss is docked with raised axial rib；The axially external of centrifugal fan is installed with balance ring；The axial ends of rotor bar is installed with end ring respectively in the rotor, and the outside cooperation of end ring is equipped with retaining ring, and balance annular groove is equipped at the axial end face of retaining ring.The present invention improves the integral strength of motor, and be conducive to motor balance, while can effectively shorten shafting length, mitigate rotor weight, while improving critical rotor speed reduction motor material cost.
Description
Technical field
The invention belongs to motor technology field more particularly to a kind of high-speed high capacity threephase asynchronouses.
Background technique
High speed and high pressure large capacity motor is the difficult point in motor manufacture difficult point from electromagnetic performance to mechanical structure.
It is asking of facing jointly of current motor manufacturer that high-speed high capacity motor vibration is big, power grade is low, noise is high etc.
Topic, high-speed high capacity motor are to meet that strength demand often takes more reinforcing rib on base and steel plate materials are thicker, are
Meet two sides on requirement of balance rotor and increase independent balance ring (as shown in Figure 1), the above measure had not only wasted material but also made entire
Motor rotor shafting is longer, be unfavorable for shorten motor shafting, mitigate rotor weight and improve critical rotor speed, consumptive material and
Motor intensity and vibration are influenced, becomes and restricts the restriction point that high speed and high pressure large capacity motor manufactures and designs.
Summary of the invention
In place of the present invention is in order to solve the deficiencies in the prior art, a kind of high-speed high capacity threephase asynchronous is provided.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
A kind of high-speed high capacity threephase asynchronous, including base, shaft, rotor, stator, end cap, bearing and centrifugal fan,
The end cap uses the fixing structure with indent evagination, and interior concave mouth and bearing form seam allowance cooperation, outer male half coupling and machine
Seat forms seam allowance cooperation；
The shaft is evenly distributed on the outer peripheral surface of shaft part is installed with the more raised axial ribs axially extended therebetween；
The radially inner side of the centrifugal fan and raised axial rib corresponding position are installed with multiple mounting boss, and centrifugal fan is set in
In shaft and its mounting boss is docked with raised axial rib, and the two passes through the connection bolt axially worn and is fixedly connected；Centrifugation
The axially external of fan is installed with balance ring；
The axial ends of rotor bar is installed with end ring respectively in the rotor, and the outside cooperation of end ring is equipped with retaining ring, retaining ring
It is fixedly connected with end ring radial interference fit and the connection bolt by axially wearing, balance ring is equipped at the axial end face of retaining ring
Slot.
Arrangement is provided with multiple groups balance threaded hole on each protrusion axial rib.
Between the radially inner side and shaft of the retaining ring be equipped with center ring, center ring fixation is set in shaft, and with shield
Ring radial interference fit.
The stop washer for preventing connection bolt rotation from loosening is equipped at the cooperation of the connection bolt and centrifugal fan.
The stop washer for preventing connection bolt rotation from loosening is equipped at the cooperation of the connection bolt and retaining ring.
Seam allowance seal groove is set on the end cap at the mating surface of outer male half coupling and base.
The axial ends of the protrusion axial rib is respectively equipped with fan installation seam allowance, the mounting boss and protrusion of centrifugal fan
The fan installation seam allowance docking of axial rib, and the two forms seam allowance cooperation.
The side plate of the base is equipped with axially extending bending structure.
The protrusion axial rib is equipped with six.
It is also equipped with cooler on the base, is equipped with noise reduction layer on the casing of cooler.
The beneficial effects of the present invention are:
1. end cap uses the fixing structure with indent evagination in the present invention, interior concave mouth and bearing form seam allowance cooperation, outside
Male half coupling and base form seam allowance cooperation, both shortened under the premise of proof strength bearing away from and degree of protection it is high.
2. centrifugal fan is directly connected to be bolted to the raised axial rib end face of shaft in the present invention, and in centrifugal fan
It is axially external be installed with balance ring, compared to the setting that the special balancing ring of conventional electric motor, fan specific fan cover, not only
Meet balance needs, and effectively shortens shafting length.
3. arrangement is provided with multiple groups balance threaded hole on each of shaft protrusion axial rib in the present invention, it can be according to balance
The screw threads for fastening installation balance weight at balance threaded hole is needed, it is quick for installation, and can satisfy motor balance.
4. the axial ends of the sub- conducting bar of rotor transfer is installed with end ring respectively in the present invention, and the outside cooperation of end ring is set
There are retaining ring, retaining ring and end ring radial interference fit and the connection bolt by axially wearing is fixedly connected, the radially inner side of retaining ring
It is equipped with center ring between shaft, can effectively ensure that the high speed centrifugation power that conducting bar and end ring are born.At the axial end face of retaining ring also
Equipped with balance annular groove, balance annular groove can need to install balance weight according to balance, to meet motor balance.
It is set respectively 5. connecting in the present invention and being separately connected at the cooperation of bolt and retaining ring at the cooperation of bolt and centrifugal fan
There is the stop washer for preventing connection bolt rotation from loosening, can effectively ensure that the fastening reliability under high speed rotation.
6. the side plate of base is equipped with axially extending bending structure in the present invention, the integral strength of motor is improved.
7. this invention ensures that motor integral strength, and be conducive to motor balance, while it is long to effectively shorten shafting
Degree mitigates rotor weight, and motor material cost is reduced while improving critical rotor speed.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of conventional electric motor in background technique；
Fig. 2 is structural schematic diagram of the invention；
Fig. 3 is the side view at base position in the present invention；
Fig. 4 is the side view of end cover part in the present invention；
Fig. 5 is A-A diagrammatic cross-section in Fig. 4；
Fig. 6 is enlarged drawing at B in Fig. 5；
Fig. 7 is the main view of shaft position in the present invention；
Fig. 8 is C-C diagrammatic cross-section in Fig. 7；
Fig. 9 is the D direction view of Fig. 7；
Figure 10 is the side view at centrifugal fan position in the present invention；
Figure 11 is E-E diagrammatic cross-section in Figure 10；
Figure 12 is enlarged drawing at F in Figure 11；
Figure 13 is enlarged drawing at G in Fig. 1.
Specific embodiment
It elaborates below in conjunction with attached drawing to a specific embodiment of the invention.
As shown in Fig. 2 to Figure 13, a kind of high-speed high capacity threephase asynchronous of the invention uses case structure,
Including base 3, shaft 9, rotor 2, stator 1, end cap 4, bearing 5, cooler 6 and centrifugal fan 7.Match on the casing of cooler 6
Equipped with noise reduction layer.
As shown in Fig. 2, the side plate of the base 3 is integrated bending forming, make on side plate with axially extending bending slot 31,
And side plate top is fixedly connected with axial bending gusset 32, to form the high bending structure of intensity, improves the whole of motor
Body intensity.
As shown in Figures 4 to 6, the end cap 4 uses the fixing structure with indent evagination, interior concave mouth 41 and bearing 4
Form seam allowance cooperation, outer male half coupling 42 forms seam allowance cooperation with base 3, both shortened under the premise of proof strength bearing away from and
Degree of protection is high.And seam allowance seal groove 43 is set at outer male half coupling 42 and the mating surface of base, seam allowance seal groove 43 is close for installing
Closure material is to increase planar protective grade.
As shown in Figure 7 to 9, the shaft 9 is evenly distributed on the outer peripheral surface of shaft part is installed with six roots of sensation edge therebetween
Axially extending raised axial rib 91, it is each protrusion axial rib 91 on along axial arranging be provided with multiple groups balance threaded hole 93, can root
Need the screw threads for fastening at balance threaded hole that balance weight is installed according to balance, it is quick for installation, and can satisfy motor balance.
As shown in Figure 10 to Figure 12, the radially inner side of the centrifugal fan 7 and raised 91 corresponding position of axial rib it is fixed there are six
Mounting boss 71, each mounting boss 71 are set there are two bolt mounting holes and two stop washer card holes.7 sets of centrifugal fan
It is located in shaft 9 and its mounting boss 19 is docked with raised axial rib 91, and the two is worn at bolt mounting holes by axial
Connection bolt 10 be fixedly connected, and connect the lock washer with tongue at outside 11 that band prevents rotation from loosening below of bolt 10, which stops
The outer tongue of washer 11 is stuck in stop washer card hole, thus the fastening reliability under can effectively ensure that high speed rotation.Centrifugal fan 7
The axially external balance ring 8 being installed with annular groove, can be needed that balance weight is installed according to balance at balance ring 8, to meet electricity
Machine balance.
Peace compared to the setting that the special balancing ring of conventional electric motor, fan specific fan cover, at centrifugal fan 7 of the present invention
Installing meter not only meets balance needs, and effectively shortens shafting length.
In the present embodiment, the axial ends of raised axial rib 91 is respectively equipped with fan installation seam allowance 92, the installation of centrifugal fan 7
It is coupled seam allowance 72 equipped with what is be matched therewith at lug boss 71, centrifugal fan 7 is coupled seam allowance 72 and raised axial rib 9
Fan installation seam allowance 92 docking formed seam allowance cooperation.
As shown in Fig. 1 and Figure 13, the axial ends of rotor bar 12 is respectively equipped with end ring 13, and end ring in the rotor 2
13 outside cooperation be equipped with retaining ring 14, retaining ring 14 and 13 radial interference fit of end ring and by the connection bolt 17 that axially wears and
Lock washer with tongue at outside 18 is fixedly connected；Center ring 15,15 fixing sleeve of center ring are equipped between the radially inner side and shaft 9 of retaining ring 14
Be located in shaft 9, and with 14 radial interference fit of retaining ring, can effectively ensure that the high speed centrifugation power that conducting bar and end ring are born.
Balance annular groove 16 is equipped at the axial end face of retaining ring 14, balance annular groove 16 can need to install balance weight according to balance,
To meet motor balance
This invention ensures that motor integral strength, and be conducive to motor balance, at the same can effectively shorten shafting length, mitigate
Rotor weight reduces motor material cost while improving critical rotor speed, has low vibration, low noise, structure tight
The advantages that gathering, be light-weight.
The above embodiments are only used to illustrate and not limit the technical solutions of the present invention, although referring to above-described embodiment to this hair
It is bright to be described in detail, those skilled in the art should understand that: still the present invention can be modified or be waited
With replacement, without departing from the spirit or scope of the invention, or any substitutions, should all cover in power of the invention
In sharp claimed range.
In the description of the present invention, it is to be understood that, term " top ", " bottom ", "front", "rear", "upper", "lower" etc.
The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is only of the invention and simplified for ease of description
Description, rather than indicate or imply signified device or element and must have a particular orientation, construct and grasp for specific orientation
Make, thus should not be understood as the limitation to present invention protection content.
Claims (10)
1. a kind of high-speed high capacity threephase asynchronous, including base, shaft, rotor, stator, end cap, bearing and centrifugation wind
Fan, it is characterised in that: the end cap uses the fixing structure with indent evagination, and interior concave mouth and bearing form seam allowance cooperation,
Its outer male half coupling and base form seam allowance cooperation；
The shaft is evenly distributed on the outer peripheral surface of shaft part is installed with the more raised axial ribs axially extended therebetween；
The radially inner side of the centrifugal fan and raised axial rib corresponding position are installed with multiple mounting boss, and centrifugal fan is set in
In shaft and its mounting boss is docked with raised axial rib, and the two passes through the connection bolt axially worn and is fixedly connected；Centrifugation
The axially external of fan is installed with balance ring；
The axial ends of rotor bar is installed with end ring respectively in the rotor, and the outside cooperation of end ring is equipped with retaining ring, retaining ring
It is fixedly connected with end ring radial interference fit and the connection bolt by axially wearing, balance ring is equipped at the axial end face of retaining ring
Slot.
2. high-speed high capacity threephase asynchronous as described in claim 1, it is characterised in that: arranged on each protrusion axial rib
Cloth is provided with multiple groups balance threaded hole.
3. high-speed high capacity threephase asynchronous as claimed in claim 1 or 2, it is characterised in that: the radial direction of the retaining ring
Between inside and shaft be equipped with center ring, center ring fixation is set in shaft, and with retaining ring radial interference fit.
4. high-speed high capacity threephase asynchronous as claimed in claim 3, it is characterised in that: the connection bolt and centrifugation
The stop washer for preventing connection bolt rotation from loosening is equipped at the cooperation of fan.
5. high-speed high capacity threephase asynchronous as claimed in claim 3, it is characterised in that: the connection bolt and retaining ring
Cooperation at be equipped with prevent connection bolt rotation loosen stop washer.
6. high-speed high capacity threephase asynchronous as claimed in claim 3, it is characterised in that: outer male half coupling on the end cap
With seam allowance seal groove is set at the mating surface of base.
7. high-speed high capacity threephase asynchronous as claimed in claim 6, it is characterised in that: the axial direction of the protrusion axial rib
Both ends are respectively equipped with fan installation seam allowance, and the mounting boss of centrifugal fan is docked with the fan installation seam allowance of raised axial rib, and
The two forms seam allowance cooperation.
8. high-speed high capacity threephase asynchronous as described in claim 1, it is characterised in that: set on the side plate of the base
There is axially extending bending structure.
9. high-speed high capacity threephase asynchronous as described in claim 1, it is characterised in that: the protrusion axial rib is equipped with six
It is a.
10. high-speed high capacity threephase asynchronous as described in claim 1, it is characterised in that: also installed on the base
There is cooler, is equipped with noise reduction layer on the casing of cooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811562786.0A CN109639038B (en) | 2018-12-20 | 2018-12-20 | High-speed large-capacity three-phase asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811562786.0A CN109639038B (en) | 2018-12-20 | 2018-12-20 | High-speed large-capacity three-phase asynchronous motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109639038A true CN109639038A (en) | 2019-04-16 |
| CN109639038B CN109639038B (en) | 2024-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811562786.0A Active CN109639038B (en) | 2018-12-20 | 2018-12-20 | High-speed large-capacity three-phase asynchronous motor |
Country Status (1)
| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110752730A (en) * | 2019-12-12 | 2020-02-04 | 卧龙电气南阳防爆集团股份有限公司 | High-reliability high-capacity three-phase asynchronous motor |
| CN112242775A (en) * | 2020-11-30 | 2021-01-19 | 卧龙电气南阳防爆集团股份有限公司 | Box type high-speed motor |
| US20230127634A1 (en) * | 2021-10-22 | 2023-04-27 | Dana Belgium N.V. | Vehicle propulsion unit with electric machine that includes a balancing plate assembly and method for assembling said electric machine |
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| JP2015144513A (en) * | 2014-01-31 | 2015-08-06 | 株式会社豊田自動織機 | induction motor |
| CN106374667A (en) * | 2016-10-27 | 2017-02-01 | 常州津兆机电科技有限公司 | Micromotor shell of automobile |
| CN108054891A (en) * | 2017-12-19 | 2018-05-18 | 卧龙电气集团股份有限公司 | A kind of common vertical frequency-changing three-phase asynchronous motor |
| CN207691655U (en) * | 2017-12-22 | 2018-08-03 | 佳木斯电机股份有限公司 | A kind of high speed and high pressure asynchronous motor rotor retaining ring structure |
| CN207786781U (en) * | 2017-12-25 | 2018-08-31 | 四川省万马机械制造有限公司 | A kind of motor direct-connected formula pulverizer main shaft |
| CN209088714U (en) * | 2018-12-20 | 2019-07-09 | 卧龙电气南阳防爆集团股份有限公司 | A kind of high-speed high capacity threephase asynchronous |
-
2018
- 2018-12-20 CN CN201811562786.0A patent/CN109639038B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015144513A (en) * | 2014-01-31 | 2015-08-06 | 株式会社豊田自動織機 | induction motor |
| CN106374667A (en) * | 2016-10-27 | 2017-02-01 | 常州津兆机电科技有限公司 | Micromotor shell of automobile |
| CN108054891A (en) * | 2017-12-19 | 2018-05-18 | 卧龙电气集团股份有限公司 | A kind of common vertical frequency-changing three-phase asynchronous motor |
| CN207691655U (en) * | 2017-12-22 | 2018-08-03 | 佳木斯电机股份有限公司 | A kind of high speed and high pressure asynchronous motor rotor retaining ring structure |
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| CN209088714U (en) * | 2018-12-20 | 2019-07-09 | 卧龙电气南阳防爆集团股份有限公司 | A kind of high-speed high capacity threephase asynchronous |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110752730A (en) * | 2019-12-12 | 2020-02-04 | 卧龙电气南阳防爆集团股份有限公司 | High-reliability high-capacity three-phase asynchronous motor |
| CN112242775A (en) * | 2020-11-30 | 2021-01-19 | 卧龙电气南阳防爆集团股份有限公司 | Box type high-speed motor |
| US20230127634A1 (en) * | 2021-10-22 | 2023-04-27 | Dana Belgium N.V. | Vehicle propulsion unit with electric machine that includes a balancing plate assembly and method for assembling said electric machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109639038B (en) | 2024-07-16 |
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Country or region after: China Address after: No. 1801, Dushan Avenue, Nanyang City, Henan Province Applicant after: WOLONG ELECTRIC NANYANG EXPLOSION PROTECTION GROUP Co.,Ltd. Applicant after: WOLONG ELECTRIC GROUP Co.,Ltd. Address before: No. 1801, Dushan Avenue, Nanyang City, Henan Province Applicant before: WOLONG ELECTRIC NANYANG EXPLOSION PROTECTION GROUP Co.,Ltd. Country or region before: China Applicant before: WOLONG ELECTRIC GROUP Co.,Ltd. |
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