CN206302314U - A kind of phase asynchronous variable-frequency motor of main pump - Google Patents
A kind of phase asynchronous variable-frequency motor of main pump Download PDFInfo
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- CN206302314U CN206302314U CN201621384478.XU CN201621384478U CN206302314U CN 206302314 U CN206302314 U CN 206302314U CN 201621384478 U CN201621384478 U CN 201621384478U CN 206302314 U CN206302314 U CN 206302314U
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- rotor
- rotating shaft
- support
- stator
- end bearing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
A kind of phase asynchronous variable-frequency motor of main pump, including support, rotor and stator are provided with support, the inside of rotor is coaxially provided with rotating shaft, the upper and lower ends of rotating shaft are connected by upper end bearing and bottom end bearing with support respectively, the circular gear platform for located stator position is provided with below stator, the first arc bond for located stator position is provided with above stator, rotor gear platform is fixedly installed below rotor, the second arc bond for fixed rotor is provided with above rotor, the first cavity oil storage tank is provided with the enclosing cover of bottom end bearing, the second cavity oil storage tank is provided with the inner cap of upper end bearing, the 3rd cavity oil storage tank is provided with the enclosing cover of upper end bearing.The utility model provides a kind of phase asynchronous adjustable frequency motor of main pump, and motor operation is steady, can effectively reduce vibration and noise, and long-term safety is effectively run.
Description
Technical field
The utility model is related to machine field, more particularly, to a kind of phase asynchronous variable-frequency motor of main pump.
Background technology
The stator of existing motor is using support and stator core interference fit, for vertical machine shaft extension down, motor
Longtime running stator core can progressively glide, and cause stator and rotor not line up or non-uniform air-gap, cause motor oscillating, noise etc.
Problem.Rotor rotation can inevitably produce vibration, and then cause the change of air gap and bring electric and magnetic oscillation, then by bearing
Housing is transferred to end cap.Exterior and interior cover oil storage tank is small in motor bearing apparatus, and waste oil maintenance can not be carried out for longtime running
Motor needs particular design.Vertical machine with inertial flywheel at shaft extension, can produce larger axial force and radial direction during motor operation
Power, easy damaged bearing.Main pump motor is the crucial motor device of certain large-scale power station, it is ensured that longtime running, reliability, safety fortune
OK.
Application No. 201510928673.8 discloses a kind of high-pressure explosion-proof type three-phase asynchronous of low-temperature-rise, and it is wrapped
Include support, rotor and stator be provided with support, the rear and front end of rotor be respectively equipped with the drive end bearing bracket that is connected with support and after
The center of circle of the center of circle of end cap, the rotor and stator less than the support；Cooling area under control is provided with the support, area under control is cooled down
Inside it is provided through the cooling tube at support two ends, cooling tube and the rotor and the centerline axis parallel of stator, the cooling tube
Area includes the first cooling area under control and the second cooling area under control；Arranged in concentric ring-shaped multilayer by around the stator in the first cooling area under control
Cooling tube composition；Second cooling area under control is arranged on the top in the first cooling area under control, and it is arranged by around stator in arc-shaped multilayer
Cooling tube composition；One end that the rotor is located at rear end cap is provided with external fan, and one end that the support is located at rear end cap sets
Fan housing is equipped with, the fan housing cover sets the external fan, and passes through suction nozzle lap hermetically between external fan and fan housing；The support
Composition surface with drive end bearing bracket and rear end cap is disposed as flameproof joint；Rotated by fore bearing between the rotor and drive end bearing bracket
Connection, fore bearing is disposed as flameproof joint with the composition surface of the rotor and drive end bearing bracket, between the rotor and rear end cap
Dynamic connection is forwarded by rear axle, rear bearing is disposed as flameproof joint with the composition surface of the rotor and rear end cap.The practicality
The new real work demand that can not solve the crucial motor device main pump motor of large-scale power station, the course of work can produce vibrations
And noise, it is impossible to ensure motor reliably and with long-term, safe operation.
The content of utility model
The utility model is in order to solve the problems of the prior art, there is provided a kind of phase asynchronous variable-frequency motor of main pump, electricity
Machine operates steadily, and can effectively reduce vibration and noise, and long-term safety is effectively run.
To achieve the above object, the technical solution adopted in the utility model is：A kind of phase asynchronous variable-frequency motor of main pump,
Rotor and stator are provided with including support, in support, the inside of rotor is coaxially provided with rotating shaft, rotor and rotating shaft interference fit, turns
The upper and lower ends of axle are connected by upper end bearing and bottom end bearing with support respectively, and the stator is fixed by screw with support
Connection, is provided with the circular gear platform for located stator position below stator, circle gear platform is fixedly connected with support, stator
Top is provided with the first arc bond for located stator position, and the first arc bond is fixedly connected with support, under the rotor
Side is fixedly installed rotor gear platform, and the rotor gear platform is fixedly connected with rotating shaft, is provided with for fixing above the rotor
Second arc bond of rotor, the second arc bond is fixedly connected with rotating shaft, and the first cavity is provided with the enclosing cover of the bottom end bearing
Oil storage tank, is provided with the second cavity oil storage tank at the inner cap of the upper end bearing, is provided with the enclosing cover of the upper end bearing
Three cavity oil storage tanks, the first cavity oil storage tank, the second cavity oil storage tank, the 3rd cavity oil storage tank are opened near the one side of rotating shaft
There is oilhole.Circle gear platform and the first arc bond can prevent stator core in axial direction, the sliding of radial direction, while heat can also be improved
Conducting power and overall anti-seismic performance, rotor gear platform and the second arc bond can prevent the generation of the axial displacement of rotor, improve
The overall anti-anti-seismic performance of motor, relative to existing oil storage tank, volume is bigger, increased for first, second, third cavity oil storage tank
Oil reserve, makes that motor operation is steady, effectively reduce vibration and noise.
Preferably, the axle stretch end of the rotating shaft is provided with inertial flywheel.
Preferably, being provided with multiple circular troughs on the upper end bearing and bottom end bearing and the axis hole of rotating shaft cooperation.
So setting can improve the storage oil mass and axial load resistant ability of whole bearing arrangement.
Preferably, the inertial flywheel and axle stretch end interference fit.
Preferably, the one side that the inertial flywheel coordinates with rotating shaft is arranged to the conical surface, peace is coordinated with it on the conical surface
Equipped with conical ring.
Preferably, the inertial flywheel is provided with for fixing consolidating for inertial flywheel in the rotating shaft of axle stretch end side
Fixed board, is equipped with axial bolts in the fixed plate, one end of axial bolts holds out against inertial flywheel, the inertial flywheel radial direction
The radial bolts for fixing inertial flywheel are provided with support, radial bolts hold out against inertial flywheel through support.Both ends of the surface are led to
Conical ring positioning is crossed, while increasing axial bolts and radial bolts to flywheel, be ensure that flywheel is steady in transport, do not rotated.
Preferably, described rotor is aluminium casts rotor.Aluminium casting rotor machining is convenient, is easy to take work to parts and components of rotor
Skill quality control, reduces amount of unbalance.
By above-mentioned setting, it is ensured that motor operation is steady, vibration and noise are effectively reduced, it is ensured that motor is pacified for a long time
Complete effective operation, axial bolts and radial bolts are increased by flywheel, it is ensured that flywheel is steady in transport, do not rotate.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation at A in Fig. 1；
Fig. 3 is the structural representation of inertial flywheel in Fig. 1.
Specific embodiment
For the ease of the understanding of those skilled in the art, the present invention is done further with reference to embodiment and accompanying drawing
It is bright, the content that implementation method is referred to not limitation of the invention.
It is provided with the phase asynchronous variable-frequency motor of a kind of main pump as shown in Figure 1 to Figure 3, including support 1, support 1 and is turned
Son 2 and stator 3, the inside of rotor 2 are coaxially provided with rotating shaft 4, and the rotor 2 of the present embodiment is aluminium casting rotor, aluminium casting rotor machining side
Just, it is easy to take the parts of rotor 2 Process Quality Control, reduces amount of unbalance.The upper and lower ends of rotating shaft 4 pass through upper end respectively
Bearing 5 and bottom end bearing 6 are connected with support 1, and stator 3 is fixedly connected by screw with support 1, and the lower section of stator 3 is provided with
For the circular gear platform 7 of the position of located stator 3, circle gear platform 7 is fixedly connected with support 1, and the top of stator 3 is provided with for fixed
First arc bond 8 of the position position of stator 3, the first arc bond 8 is fixedly connected with support 1, and the lower section of rotor 2 is fixedly installed rotor
Gear platform 9, rotor gear platform 9 is fixedly connected with rotating shaft 4, and the top of rotor 2 is provided with the second arc bond 10 for positioning rotor 2,
Second arc bond 10 is fixedly connected with rotating shaft 4, and second arc bond 10 and rotating shaft 4 of the present embodiment are welded, the enclosing cover of bottom end bearing 6
The first cavity oil storage tank 11 is provided with, the second cavity oil storage tank 12 is provided with the inner cap of upper end bearing 5, outside upper end bearing 5
The 3rd cavity oil storage tank 13, the first cavity oil storage tank 11, the second cavity oil storage tank 12, the 3rd cavity oil storage tank 13 are provided with lid
One side near rotating shaft 4 is provided with oilhole 23, and the axle stretch end of rotating shaft 4 is provided with inertial flywheel 14.This set can prevent stator 3
Iron core can prevent the generation of the axial displacement of rotor 2, carry in axial direction, the sliding of radial direction, the rotor gear arc bond 10 of platform 9 and second
The overall anti-anti-seismic performance of motor high, the first, second, third cavity oil storage tank of the present embodiment is compared to existing oil storage tank, body
Product is bigger, increased oil reserve, makes that motor operation is steady, effectively reduce vibration and noise.
Multiple circular troughs 22 are provided with the axis hole that upper end bearing 5 and bottom end bearing 6 coordinate with rotating shaft 4, are so set
The storage oil mass and axial load resistant ability of whole bearing arrangement can be improved.
The inertial flywheel 14 of the present embodiment and axle stretch end interference fit, inertial flywheel 14 are set with the one side that rotating shaft 4 coordinates
Coordinate with it into the conical surface 17, on the conical surface 17 and conical ring 18 is installed.Inertial flywheel 14 is set in the rotating shaft 4 of axle stretch end side
There is the fixed plate 19 for fixing inertial flywheel 14, axial bolts 20, one end top of axial bolts 20 are equipped with fixed plate 19
Tight inertial flywheel 14, and then the position of inertial flywheel 14 can be in transit fixed, set on the support 1 of the radial direction of inertial flywheel 14
There are the radial bolts 21 for fixing inertial flywheel 14, radial bolts 21 hold out against flywheel, in transportation, use axle through support 1
Flywheel 14 is locked to bolt 20 and radial bolts 21, it is ensured that flywheel is steady in transport, do not rotate.
Above-described is only embodiment of the present utility model, and the general knowledge such as known concrete structure and characteristic is herein in scheme
Excessive description is not made.It should be pointed out that for a person skilled in the art, not departing from the premise of the utility model structure
Under, various modifications and improvements can be made, these should also be considered as protection domain of the present utility model, and these are all without influence
Effect and practical applicability that the utility model is implemented.This application claims protection domain should be with the content of its claim
It is defined, specific embodiment in specification etc. records the content that can be used for explaining claim.
Claims (7)
1. a kind of phase asynchronous variable-frequency motor of main pump, including support, is provided with rotor and stator in support, the inside of rotor is same
Axle is provided with rotating shaft, rotor and rotating shaft interference fit, and the upper and lower ends of rotating shaft pass through upper end bearing and bottom end bearing and support respectively
It is connected, it is characterised in that：The stator is fixedly connected by screw with support, is provided with for located stator below stator
The circular gear platform of position, circle gear platform is fixedly connected with support, and first for located stator position is provided with above stator
Arc bond, the first arc bond is fixedly connected with support, and rotor gear platform is fixedly installed below the rotor, and the rotor keeps off platform
It is fixedly connected with rotating shaft, the second arc bond for fixed rotor, the second arc bond and rotating shaft is provided with above the rotor
It is fixedly connected, the first cavity oil storage tank is provided with the enclosing cover of the bottom end bearing, is provided with the inner cap of the upper end bearing
Second cavity oil storage tank, is provided with the 3rd cavity oil storage tank, the first cavity oil storage tank, at the enclosing cover of the upper end bearing
Two cavity oil storage tanks, the 3rd cavity oil storage tank are provided with oilhole near the one side of rotating shaft.
2. the phase asynchronous variable-frequency motor of a kind of main pump according to claim 1, it is characterised in that：The shaft extension of the rotating shaft
End is provided with inertial flywheel.
3. the phase asynchronous variable-frequency motor of a kind of main pump according to claim 1, it is characterised in that：The upper end bearing and
Multiple circular troughs are provided with the axis hole that bottom end bearing coordinates with rotating shaft.
4. the phase asynchronous variable-frequency motor of a kind of main pump according to claim 2, it is characterised in that：The inertial flywheel with
Axle stretch end interference fit.
5. the phase asynchronous variable-frequency motor of a kind of main pump according to claim 4, it is characterised in that：The inertial flywheel with
The one side that rotating shaft coordinates is arranged to the conical surface, coordinates with it on the conical surface and is provided with conical ring.
6. the phase asynchronous variable-frequency motor of a kind of main pump according to claim 5, it is characterised in that：The inertial flywheel is leaned on
The fixed plate for fixing inertial flywheel is provided with the rotating shaft of nearly axle stretch end side, axial spiral shell is equipped with the fixed plate
Bolt, one end of axial bolts holds out against inertial flywheel, is provided with for fixing inertial flywheel on the support of the inertial flywheel radial direction
Radial bolts, radial bolts hold out against inertial flywheel through support.
7. the phase asynchronous variable-frequency motor of a kind of main pump according to claim 1, it is characterised in that：Described rotor is aluminium
Casting rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621384478.XU CN206302314U (en) | 2016-12-16 | 2016-12-16 | A kind of phase asynchronous variable-frequency motor of main pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621384478.XU CN206302314U (en) | 2016-12-16 | 2016-12-16 | A kind of phase asynchronous variable-frequency motor of main pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206302314U true CN206302314U (en) | 2017-07-04 |
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ID=59214423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621384478.XU Active CN206302314U (en) | 2016-12-16 | 2016-12-16 | A kind of phase asynchronous variable-frequency motor of main pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206302314U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114337169A (en) * | 2021-12-13 | 2022-04-12 | 陕西航空电气有限责任公司 | Long-shaft extension three-phase asynchronous motor of aviation braking system |
-
2016
- 2016-12-16 CN CN201621384478.XU patent/CN206302314U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114337169A (en) * | 2021-12-13 | 2022-04-12 | 陕西航空电气有限责任公司 | Long-shaft extension three-phase asynchronous motor of aviation braking system |
| CN114337169B (en) * | 2021-12-13 | 2024-01-02 | 陕西航空电气有限责任公司 | Long shaft extension three-phase asynchronous motor of aviation brake system |
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Address after: 312300 Shangyu Economic Development Zone, Shaoxing City, Zhejiang Province Co-patentee after: WOLONG ELECTRIC NANYANG EXPLOSION PROTECTION GROUP CO., LTD. Patentee after: Wolong Electric Drive Group Co., Ltd. Address before: 312300 Shangyu Economic Development Zone, Shaoxing City, Zhejiang Province Co-patentee before: WOLONG ELECTRIC NANYANG EXPLOSION PROTECTION GROUP CO., LTD. Patentee before: Wolong Electric Group Co., Ltd. |