CN110401302A - A kind of asynchronous pitch motor - Google Patents
A kind of asynchronous pitch motor Download PDFInfo
- Publication number
- CN110401302A CN110401302A CN201910559936.0A CN201910559936A CN110401302A CN 110401302 A CN110401302 A CN 110401302A CN 201910559936 A CN201910559936 A CN 201910559936A CN 110401302 A CN110401302 A CN 110401302A
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- 230000007704 transition Effects 0.000 claims abstract description 58
- 230000008859 change Effects 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 5
- 239000000428 dust Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
-
- 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
Abstract
The present invention relates to a kind of asynchronous pitch motor, one end of motor shaft is equipped with brake；One end of brake is equipped with transition plates, and transition sleeve is located at the other end of transition plates；Become rotor equipped with split type rotation set and rotation in transition sleeve, end is equipped with blower；The periphery that rotation becomes rotor is arranged in rotation set；Rotation becomes rotor one end and matches with motor shaft, and the other end and rotation become the cooperation of rotor press plate seam allowance, and rotation is become rotor through rotor bolt and is lock onto the screw hole of motor shaft end；Transition plates is equipped with installation groove, and the one end and rotation for revolving set become the cooperation of stator pressing plate seam allowance, and the other end is arranged in installation groove, and stator bolts will revolve set and rotation becomes stator pressing plate and is fixed in transition plates；There are fit-up gaps between rotatable stator pressing plate and rotation change rotor press plate；The present invention revolves set and rotation change rotor and carries out assembly positioning by revolving to become rotor press plate, rotation becomes stator pressing plate and revolve the section tooling that modifies tone, and guarantees rotation set and revolves the axially and radially cooperation precision for becoming rotor.
Description
Technical field
The invention belongs to technical field of motors more particularly to a kind of asynchronous pitch motors.
Background technique
With the development of national wind-force technology, wind fire becomes the problem of wind generating technology urgent need faces with valence, this will
It asks each supplier of wind-powered electricity generation to reduce cost as far as possible, while must assure that reliability.For asynchronous pitch motor, original encoding device
Price is relatively very high, and revolves and become (referring to separate structure) relative to encoder, and price advantage is obvious, but lacks there is also some
It falls into.The shortcomings that how overcoming rotation to become, it is reliably applied in asynchronous pitch motor, the key decided the issue of the battle is become；Pitch-controlled system,
It is chronically in the adverse circumstances of vibration, impact, collision, how to slow down instantaneous stress, improve the reliability and wind-powered electricity generation of motor
The problem of must thinking deeply.
The structure of the current asynchronous pitch motor of mainstream both at home and abroad is as shown in Fig. 4, uses encoder 60 and carries out revolving speed control
System, is cooled down, structural shape is about as follows using blower 12: integral type encoder is directly or indirectly installed on brake
In 7 transition plates 8；By shaft coupling joint transmission, blower 12 passes through multiple support rods 61 and peace for encoder axis 60 and motor shaft
Loading board 62 is mounted in the transition plates 8 of brake 7.
But found after long-term use, there is some problems for this structure:
1) tolerance of brake fit dimension itself is very big, along with after cascaded coordination, from end cap, brake flange, brake,
The accumulation of transition plates multiple error, accumulated error is bigger, to affect the detection accuracy that rotation becomes；
2) because integral type rotation Changeable price does not have advantage, and its degree of protection of split type rotation change is poor, mainly dust-fast and salt spray resistance ability
Difference cannot be used directly；
3) brake dust that braking process generates, the formation for becoming insulated part to rotation destroy；
4) structural strength of multiple they sup-port blowers is weaker, and when blower weight is larger, anti-vibration, impact capacity are poor.
Summary of the invention
One kind is provided the invention aims to overcome the deficiencies in the prior art can use split type rotation structure changes,
The cooperation precision revolved change rotor and revolve set revolved in structure changes is high, while revolving the leakproofness and service life height of change, blower
The strong asynchronous pitch motor of antivibration kinetic force.
In order to achieve the above objectives, the technical solution adopted by the present invention is that: a kind of asynchronous pitch motor, including base, be respectively set
Drive end bearing bracket and rear end cap and setting intracorporal stator assembly and rotor assembly, transfer in base hollow cavity at base both ends
Sub-component is set on motor shaft, and one end of motor shaft is connected with brake；Stator module is set in the periphery of rotor assembly；Also
Become including transition plates, transition sleeve, rotation, rotation becomes rotor press plate, rotation becomes stator pressing plate, rotor bolt, stator bolts and blower；It is described
One end of brake is glued with transition plates, and the other end of transition plates is installed with transition sleeve；It is equipped in the transition sleeve in seperated knot
Rotation set of structure and rotation become rotor, and the end of the transition sleeve is provided with blower；The rotation set setting becomes in rotation to be turned
The periphery of son, and revolve the rotary shaft hollow for becoming rotor；The rotation becomes rotor one end and matches with motor shaft, and the other end and rotation become rotor
The seam allowance of pressing plate cooperates, and rotation is become rotor through rotor bolt and is lock onto the screw hole of motor shaft end；The transition plates is equipped with
For being adapted to the installation groove of rotation set, the seam allowance that one end of rotation set and rotation become stator pressing plate cooperates, the other end
It is arranged in installation groove, and will revolves set via stator bolts and revolve change stator pressing plate and be fixed in transition plates；Described
There are fit-up gaps between rotatable stator pressing plate and rotation change rotor press plate.
Further, rotation set and rotation, which become, is equipped with O-ring seal between stator pressing plate.
Further, the end of transition sleeve is arranged in by elastic mounting plate for the blower.
It further, further include being located at rear end cap end, for covering the fan housing of blower and transition sleeve.
Further, double containment is carried out by labyrinth seal and dynamic sealing between the transition sleeve and motor shaft.
Further, it is gap-matched between rotation set and the installation groove of transition plates.
Due to the application of the above technical scheme, compared with the prior art, the invention has the following advantages:
Asynchronous pitch motor of the invention, internal rotation set and rotation change rotor become stator pressing plate, rotation change rotor by rotation
Pressing plate and rotation modified tone section tooling are assembled, and ensure that rotation set and rotation become the cooperation precision axially and radially of rotor,
Reduce transition fit number, improve cooperation precision, and rotation is become and is arranged in transition sleeve, prevents the shadow that dust becomes rotation
It rings, improves the protection and service life that rotation becomes, while using elastic mounting plate and blower is installed, improve the shock proof energy of fan blade
Power preferably meets the demand in market.
Detailed description of the invention
Technical scheme of the present invention is further explained with reference to the accompanying drawing:
Attached drawing 1 is main view of the invention；
Attached drawing 2 is the partial enlarged view in attached drawing 1；
Attached drawing 3 is the structural schematic diagram of rotation modified tone section tooling；
Attached drawing 4 is the structural schematic diagram of asynchronous pitch motor in the prior art；
Wherein: base 1, drive end bearing bracket 2, rear end cap 3, stator module 4, rotor assembly 5, motor shaft 6, brake 7, transition plates 8, mistake
Cross set 9, rotor bolt 10, rotation become stator pressing plate 11, blower 12, stator bolts 13, rotation become rotor press plate 14, rotation become rotor 20,
Revolve set 21, elastic mounting plate 30, fan housing 31, special tooling O-ring seal 50, labyrinth seal 51, dynamic sealing 52, rotation change turn
Sub- pressing plate seam allowance 53, fit-up gap 54, encoder 60, support rod 61, mounting plate 62, rotation modified tone section tooling 80.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the present invention is described in further details.
Please refer to attached drawing 1-3, a kind of asynchronous pitch motor of the present invention, including base 1, it is separately positioned on base 1
The drive end bearing bracket 2 and rear end cap 3 at both ends and setting are in the intracorporal stator module 4 of 1 hollow cavity of base and rotor assembly 5, transfer
Sub-component 5 is set on motor shaft 6, and one end of motor shaft 6 is connected with brake 7；Stator module 4 is set in rotor assembly 5
Periphery；It further include transition plates 8, transition sleeve 9, rotation becomes, rotation becomes rotor press plate 14, rotation becomes stator pressing plate 11, rotor bolt 10, stator
Bolt 13 and blower 12；One end of the brake 7 is glued with transition plates 8, and the other end of transition plates 8 is installed with transition sleeve 9；It crosses
It crosses in set 9 to be equipped with and becomes rotor 20 in rotation set 21 of separate structure and rotation, the end of transition sleeve 9 is provided with blower 12, revolves
The periphery that rotation becomes rotor 20 is arranged in set 21, and the shaft that rotation becomes rotor 20 is in hollow form；Rotation becomes one end and the electricity of rotor 20
Arbor 6 matches, and the other end and rotation become rotor press plate seam allowance 53 and cooperate, and the spiral shell at 6 end of motor shaft is lock onto through rotor bolt 10
Kong Zhong.
Transition plates 8 is equipped with the installation groove for being adapted to rotation set 21, revolves one end and rotation set of set 21
The seam allowance of pressing plate 11 cooperates, and the other end is arranged in the installation groove of transition plates 8, revolves the installation groove of set and transition plates
Radial direction is gap-matched, and by fit-up gap 54 when installation, i.e., the outer diameter that rotation becomes rotor press plate is positioned, and determines rotation set
The radial position of pressing plate 11 so that it is guaranteed that rotation set 21 and rotation become the concentricity of rotor 20, then will be revolved via stator bolts 13
Set 21 and rotation become stator pressing plate 11 and are fixed in transition plates 8.
Embodiment as a further preference, rotation set 21 and rotation, which become, is equipped with O-ring seal, In between stator pressing plate 11
The special tooling O-ring seal 50 that the attached rotation modified tone section tooling shown in Fig. 3 is equipped with, is to become rotation
Cooperate between stator 21 and rotation change stator pressing plate 11 more accurate.
O-ring between transition plates 8 and transition sleeve 9, the O-ring seal between transition plates 8 and brake 7 are to mention
Height rotation becomes the protective capacities to environment, improves sealing performance.
Embodiment as a further preference, the blower 12 pass through the end that transition sleeve 9 is arranged in elastic mounting plate 30,
It is the ability in order to guarantee fan blade shock resistance and vibration in blower 12 in this way.
Embodiment as a further preference further includes being located at 3 end of rear end cap, for covering blower 12 and transition sleeve 9
Fan housing 31, play the function of the dust and water protection to blower 12.
Embodiment as a further preference passes through labyrinth seal 51 and dynamic sealing between the transition sleeve 9 and motor shaft 6
52 are sealed, and prevent the influence that brake dust becomes the service life to rotation.
In this asynchronous pitch motor, because rotation become rotor press plate 14 and rotation become between rotor 20, rotation become stator pressing plate 11 with
Revolve set 21 between itself cooperation precision it is very high, then cooperate rotation become stator pressing plate 11 on O-ring (not shown) from
Rotation set 21 and rotation can be become stator pressing plate 11 and regard an entirety as by dynamic aligning effect；Rotation becomes the positioning accurate of rotor 20 at this time
Degree can the approximate equivalent positioning accuracy for becoming 14 outer diameter of rotor press plate at rotation, the i.e. positioning accuracy of fit-up gap 54；Revolve set
21 positioning accuracy Approximate Equivalent becomes the positioning accuracy of the internal diameter of stator pressing plate 11 at rotation, and revolves the installation accuracy of change rotor 20 then
Mainly become the cooperation of rotor 20 and motor shaft 6 by rotation to determine, because of the installation groove use of sub 21 outer diameters of rotation set and transition plates 8
Radial clearance fit can finely tune, and radial positioning precision mainly becomes rotor press plate outer diameter by rotation and rotation modified tone saves tooling 80
Precision ensures, is specifically linked in rotation by the modify tone internal diameter of section tooling 80 of rotation and is become on the outer diameter of rotor press plate, is i.e. fit-up gap 54
In, then modify tone to save 80 outer diameter of tooling and directly determine by rotation and revolve the positioning for becoming diameter of stator bore, to reduce transition fit number, improve
Cooperate precision, improves the detection accuracy that rotation becomes.
Asynchronous pitch motor of the invention, rotation set and rotation change rotor become stator pressing plate, rotation change rotor press plate by rotation
It is assembled with the rotation modified tone section tooling of adaptation, ensure that rotation set and rotation become the cooperation precision axially and radially of rotor,
Reduce transition fit number, improve cooperation precision, and rotation is become and is arranged in transition sleeve, prevents the shadow that dust becomes rotation
It rings, improves the protection and service life that rotation becomes, while using elastic mounting plate and blower is installed, improve the shock proof energy of fan blade
Power preferably meets the demand in market.
The above is only specific application examples of the invention, are not limited in any way to protection scope of the present invention.All uses
Equivalent transformation or equivalent replacement and the technical solution formed, all fall within rights protection scope of the present invention.
Claims (6)
1. a kind of asynchronous pitch motor, including base (1), it is separately positioned on the drive end bearing bracket (2) and rear end cap at base (1) both ends
(3) and it is arranged in the intracorporal stator module of base (1) hollow cavity (4) and rotor assembly (5), wherein rotor assembly (5) is arranged
On motor shaft (6), one end of motor shaft (6) is connected with brake (7)；Stator module (4) is set in the outer of rotor assembly (5)
Week；It is characterized by also including transition plates (8), transition sleeve (9), rotations to become, rotation becomes rotor press plate (14), rotation becomes stator pressing plate
(11), rotor bolt (10), stator bolts (13) and blower (12)；One end of the brake (7) is glued with transition plates (8),
The other end of transition plates (8) is installed with transition sleeve (9)；It is equipped in the transition sleeve (9) sub (21) in the rotation set of separate structure
Become rotor (20) with rotation, the end of the transition sleeve (9) is provided with blower (12)；The rotation set (21) setting becomes in rotation
The periphery of rotor (20), and revolve the rotary shaft hollow for becoming rotor (20)；The rotation becomes rotor (20) one end and motor shaft (6) match
It closes, the other end and rotation become seam allowance (53) cooperation of rotor press plate (14), and rotation is become rotor (20) locking through rotor bolt (10)
In the screw hole at motor shaft (6) end；The transition plates (8) is equipped with the installation groove for being adapted to rotation set (21), described
The seam allowance that the one end and rotation for revolving set (21) become stator pressing plate (11) cooperates, and the other end is arranged in installation groove, and via
Stator bolts (13) will revolve set (21) and rotation becomes stator pressing plate (11) and is fixed on transition plates (8)；In the rotatable stator
There are fit-up gap (54) between pressing plate (11) and rotation change rotor press plate (14).
2. asynchronous pitch motor according to claim 1, it is characterised in that: the rotation set (21) and rotation set pressure
O-ring seal is equipped between plate (11).
3. asynchronous pitch motor according to claim 1, it is characterised in that: the blower (12) passes through elastic mounting plate
(30) it is arranged in the end of transition sleeve (9).
4. asynchronous pitch motor according to claim 1, it is characterised in that: further include being located at rear end cap (3) end, use
In the fan housing (31) for covering blower (12) and transition sleeve (9).
5. asynchronous pitch motor according to claim 1, it is characterised in that: between the transition sleeve (9) and motor shaft (6)
Double containment is carried out by labyrinth seal and dynamic sealing.
6. asynchronous pitch motor according to claim 1, it is characterised in that: the rotation set (21) and transition plates (8)
Installation groove between be gap-matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910559936.0A CN110401302A (en) | 2019-06-26 | 2019-06-26 | A kind of asynchronous pitch motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910559936.0A CN110401302A (en) | 2019-06-26 | 2019-06-26 | A kind of asynchronous pitch motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110401302A true CN110401302A (en) | 2019-11-01 |
Family
ID=68322648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910559936.0A Pending CN110401302A (en) | 2019-06-26 | 2019-06-26 | A kind of asynchronous pitch motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110401302A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111711304A (en) * | 2020-07-23 | 2020-09-25 | 珠海格力电器股份有限公司 | Electric machine |
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| CN205336031U (en) * | 2015-12-24 | 2016-06-22 | 江麓机电集团有限公司 | Wind generating set change oar low pressure AC motor for system |
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| CN206977238U (en) * | 2017-06-09 | 2018-02-06 | 苏州朗高电机有限公司 | A kind of brake arrangement mounting structure of permanent magnetism pitch motor |
| CN207098857U (en) * | 2017-08-07 | 2018-03-13 | 苏州朗高电机有限公司 | A kind of pitch motor structure of anti-corrosion vibrationproof |
| CN108429410A (en) * | 2018-04-28 | 2018-08-21 | 合肥巨动力系统有限公司 | A kind of rotation change mounting structure of motor hollow rotating shaft |
| CN108832789A (en) * | 2018-07-17 | 2018-11-16 | 尼力德（宝鸡）起重机有限公司 | A kind of crane three phase squirrel cage Asynchronous Frequency-variable motor |
| CN209896866U (en) * | 2019-06-26 | 2020-01-03 | 苏州朗高电机有限公司 | Asynchronous variable pitch motor |
-
2019
- 2019-06-26 CN CN201910559936.0A patent/CN110401302A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1619921A (en) * | 2003-11-20 | 2005-05-25 | 住友重机械工业株式会社 | Motor built-in roller |
| CN202395607U (en) * | 2011-12-05 | 2012-08-22 | 大洋电机新动力科技有限公司 | Rotary motor structure |
| CN103066733A (en) * | 2012-12-20 | 2013-04-24 | 安徽巨一自动化装备有限公司 | Electric mobile drive motor rotary transformer locating mechanism |
| CN203416120U (en) * | 2013-08-27 | 2014-01-29 | 安徽安凯汽车股份有限公司 | Installation structure for rotary transformer of direct-drive motor of electric passenger car |
| CN205389162U (en) * | 2015-12-12 | 2016-07-20 | 江麓机电集团有限公司 | Become PMSM for oar |
| CN205336031U (en) * | 2015-12-24 | 2016-06-22 | 江麓机电集团有限公司 | Wind generating set change oar low pressure AC motor for system |
| CN206977238U (en) * | 2017-06-09 | 2018-02-06 | 苏州朗高电机有限公司 | A kind of brake arrangement mounting structure of permanent magnetism pitch motor |
| CN207098857U (en) * | 2017-08-07 | 2018-03-13 | 苏州朗高电机有限公司 | A kind of pitch motor structure of anti-corrosion vibrationproof |
| CN108429410A (en) * | 2018-04-28 | 2018-08-21 | 合肥巨动力系统有限公司 | A kind of rotation change mounting structure of motor hollow rotating shaft |
| CN108832789A (en) * | 2018-07-17 | 2018-11-16 | 尼力德（宝鸡）起重机有限公司 | A kind of crane three phase squirrel cage Asynchronous Frequency-variable motor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111711304A (en) * | 2020-07-23 | 2020-09-25 | 珠海格力电器股份有限公司 | Electric machine |
| CN111711304B (en) * | 2020-07-23 | 2021-11-16 | 珠海格力电器股份有限公司 | Electric machine |
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Address after: No.608, FanFeng Road, Xukou Town, Wuzhong District, Suzhou City, Jiangsu Province Applicant after: SUZHOU LEGO MOTORS Co.,Ltd. Address before: 215000 Hefeng Road, Hefeng Town, Wuzhong District Town, Suzhou, Jiangsu Applicant before: SUZHOU LEGO MOTORS Co.,Ltd. |