CN105429403A - Motor rotor dynamic balance structure and rotor dynamic balance adjusting method - Google Patents
Motor rotor dynamic balance structure and rotor dynamic balance adjusting method Download PDFInfo
- Publication number
- CN105429403A CN105429403A CN201510856732.5A CN201510856732A CN105429403A CN 105429403 A CN105429403 A CN 105429403A CN 201510856732 A CN201510856732 A CN 201510856732A CN 105429403 A CN105429403 A CN 105429403A
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- Prior art keywords
- rotor
- balancing
- balance
- balance plate
- rotor dynamic
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/16—Centering rotors within the stator; Balancing rotors
- H02K15/165—Balancing the rotor
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention provides a motor rotor dynamic balance structure. The motor rotor dynamic balance structure comprises a rotor; the rotor is provided with balance plates on the two sides of the axial direction; a plurality of balance holes are formed in the balance plates; screw threads are formed in the inner walls of the balance holes; and balance screws are arranged in partial or total balance holes. The balance holes are pre-processed in the balance plates; non-magnetic dynamic balance screws are added in the balance holes in the dynamic balance adjusting process for adjusting; and simple process, low cost, less man-hour and high reliability are achieved.
Description
Technical field
The present invention relates to rotor technology, be specifically related to rotor dynamic balancing adjustment structure.
Background technology
Rotor is as the important component part of mechanical system, and the vibration that its amount of unbalance often causes, will cause vibration equipment, noise and mechanism collapse, and therefore just should consider dynamically balanced adjustment problem when rotor dispatches from the factory.At present in traditional magneto, rotor increases the weight of dynamic balancing major part and uses dynamic balancing mud, however use dynamic balancing mud to carry out regulating very loaded down with trivial details, production efficiency is not high; And also have some magnetoes often to adopt copper baffle plate, the method of duplicate removal is adopted to regulate dynamic balancing, such as publication No. is the control method that the Chinese patent of CN103715847A discloses a kind of rotor dynamic balancing, shell is provided with outside rotor, it is characterized in that when dynamic balancing regulates, get on except a part of volume at shell, after removing this partial volume, leave the machined surface of circular arc, but with no specific disclosure of regulating dynamic balance method and removing the details of machined surface.Under the light-weighted guidance of current motor, utilize aluminum to substitute first-selection that copper product is design of electrical motor, but traditional copper product duplicate removal regulates dynamic balance method not also to be suitable for aluminum, and due to the high and dynamic balancing adjustment process length consuming time of the cost of material used, technique is also very complicated.
Summary of the invention
For the deficiency of existing rotor dynamic balancing regulation technology, the invention provides a kind of rotor dynamic balancing adjustment structure, and then providing a kind of control method, this programme adopts balance aluminium plate, and balance plate processes balancing hole in advance, in the dynamically balanced process of adjustment, regulate by adding nonmagnetic dynamic balancing screw in balancing hole, technique is simple, and cost is low, saving working hour, and reliability is high.After dynamic balancing has regulated, prevent screw from getting loose by tensioner screw periphery aluminium.This programme is not limited to aluminum magnetic isolation plate, applicable equally to other non magnetic materials.Concrete scheme is as follows:
Rotor dynamic balance structure, comprises rotor, and rotor vertically both sides is provided with balance plate, and described balance plate is provided with multiple balancing hole, and described balancing hole inwall is provided with screw thread, is provided with mass screw in described part or all of balancing hole.
According to one embodiment of the present invention, described balancing hole is even number, symmetrical about motor shaft.
According to another embodiment of the invention, described balance plate is made up of aluminum.
Further, described balancing hole runs through described balance plate, and mass screw is made up of nonmagnetic substance.
Rotor dynamic balancing control method, comprises following steps: arrange non magnetic balance plate in rotor both sides; Described balance plate is offered multiple screwed balancing hole; Carry out dynamic balancing measurement; According to test result, mass screw is screwed into described balancing hole; Fixing described mass screw.
Utilize rotor dynamic balancing structure of the present invention and control method, can carry out dynamic balancing adjustment easily, cost is low, and technique is simple, and production efficiency is high, is specially adapted to light-weighted design of electrical motor requirement.
Accompanying drawing explanation
Fig. 1 is rotor dynamic balancing structural representation involved in the present invention;
Fig. 2 is the generalized section vertically of the rotor shown in Fig. 1;
Fig. 3 is balancing hole involved in the present invention and mass screw schematic diagram;
Fig. 4 is that dynamic balancing involved in the present invention regulates schematic flow sheet;
1 is rotating shaft, and 2 is rotor punchings, and 3 is balance plates, and 4 is balancing holes, and 5 is mass screws, and 51 is fastening point.
Embodiment
Below, the accompanying drawing with reference to the part forming this specification illustrates in greater detail embodiments of the present invention.In all of the figs same reference marker added to same or similar part and omit the description.
The rotor dynamic balance structure that the present invention relates to, is applicable to the motor providing actuating force, and when connecing load, motor output shaft connects load, and being rotated by the rotating band dynamic load (as wheel) of motor rotor provides power.Be specially adapted to magneto, its rotor has permanent magnet rotor punching, and the magnetic field produced by permanent magnet and stator coil magnetic field interaction produce power.As shown in Figure 1, rotating shaft 1 is the motor shaft for connecting load to rotor dynamic balancing structure of the present invention, and its outer circumference is furnished with rotor core, and patch has rotor punching 2, and rotor core and rotor punching form rotor body.Balance plate 3 is provided with in both sides vertically at rotor body.Some magneto can arrange copper magnetic isolation plate at rotor along axle both sides, and in the present invention, balance plate 3 can be such magnetic isolation plate that motor is arranged herein, also can be that being specifically designed to of arranging in addition regulates dynamically balanced balance plate.Under a kind of optimum condition, this balance plate 3 can be aluminium matter structure, and quality is light, cost is low, moulding process is simple.Balance plate 3 also can be the sheet material of other non-magnetic material.
Described balance plate 3 is provided with multiple balancing hole 4, and the quantity of balancing hole is even number, and size is according to motor equilibrium response, and the balance quality such as required etc. are determined, appropriate design does not directly affect the implementation result of the present invention itself.In general, balancing hole should distribute about motor shaft symmetrically near balance plate outer.In another case, balancing hole is made according to dynamic balancing regulatory demand, such as, after dynamic balancing is tentatively tested, adopt the mode adjustment of duplicate removal, rear employing the present invention carry out increase weight regulate, balancing hole and different strictly follow symmetrical.In the present invention, balancing hole 4 inwall is provided with screw thread, conveniently adds the fixing of mass screw 5 and mass screw 5.According to the dynamically balanced demand of adjustment, in part or all of balancing hole 4, be provided with mass screw 5.Mass screw 5 outer wall is provided with the screw thread matched with balancing hole 4, and size should match with balancing hole 4, can be screwed into balancing hole 4 smoothly with cheap mass screw 5.
Balance plate 3 and mass screw 5 are made by nonmagnetic substance, are preferably made up of aluminum.Balancing hole 4 can run through balance plate 3, is applied to the situation of pre-manufactured hole on balance plate, and technique is more accurately simple, and now mass screw should be made up of nonmagnetic substance; Balancing hole also may not run through balance plate, is applicable to the situation making balancing hole in test process, and the mass screw now increased can the material of choice for use as required, does not strictly limit.
Based on the rotor dynamic balancing control method of rotor dynamic balancing structure of the present invention, see Fig. 4, mainly comprise following steps:
STEP101: arrange balance plate in rotor both sides, can be replaced by the baffle plate of rotor or magnetic isolation plate in some cases;
STEP102: offer multiple screwed balancing hole on balance plate;
STEP103: carry out dynamic balancing measurement, dynamic balancing measurement can draw rotor unbalance degree, and determine the position needing to regulate, this step is carried out on testboard bay;
STEP104: mass screw is screwed into corresponding balancing hole according to test result;
STEP105: after adjustment, adopts the mode of tensioner, the position tensioner stable equilibrium screw of fixing point 51 around balancing hole.This step also can adopt the stable equilibrium of the mode such as encapsulating or filling to follow closely.
The rotor structure that a kind of dynamic balancing provided by the present invention regulates and control method, its mentality of designing is also applicable to the structural design of the similar revolving parts of miscellaneous equipment, thus the amount of unbalance eliminated easily.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that those of ordinary skill in the art just design according to the present invention can make many modifications and variations without the need to creative work.Therefore, all technical staff in the art, all should by the determined protection range of claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (5)
1. rotor dynamic balance structure, comprises rotor, and rotor vertically both sides is provided with balance plate, it is characterized in that, described balance plate is provided with multiple balancing hole, and described balancing hole inwall is provided with screw thread, is provided with mass screw in described part or all of balancing hole.
2. rotor dynamic balancing structure according to claim 1, is characterized in that, described balancing hole is even number, symmetrical about motor shaft.
3. rotor dynamic balancing structure according to claim 1, is characterized in that, described balance plate is made up of aluminum.
4. rotor dynamic balancing structure according to claim 2, is characterized in that, described balancing hole runs through described balance plate, and mass screw is made up of nonmagnetic substance.
5. rotor dynamic balancing control method, is characterized in that, comprises following steps: arrange non magnetic balance plate in rotor both sides; Described balance plate is offered multiple screwed balancing hole; Carry out dynamic balancing measurement; According to test result, mass screw is screwed into described balancing hole; Fixing described mass screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510856732.5A CN105429403A (en) | 2015-11-30 | 2015-11-30 | Motor rotor dynamic balance structure and rotor dynamic balance adjusting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510856732.5A CN105429403A (en) | 2015-11-30 | 2015-11-30 | Motor rotor dynamic balance structure and rotor dynamic balance adjusting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105429403A true CN105429403A (en) | 2016-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510856732.5A Pending CN105429403A (en) | 2015-11-30 | 2015-11-30 | Motor rotor dynamic balance structure and rotor dynamic balance adjusting method |
Country Status (1)
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| CN (1) | CN105429403A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914938A (en) * | 2016-06-14 | 2016-08-31 | 江阴市澳盛动力设备有限公司 | Counterweight support and motor applying the support |
| CN106208510A (en) * | 2016-09-26 | 2016-12-07 | 南京磁谷科技有限公司 | Magnetic suspension motor rotor part and online ballasting method thereof |
| CN106787533A (en) * | 2016-12-21 | 2017-05-31 | 上海电气集团上海电机厂有限公司 | A kind of rotor dynamic balancing adjustment method of ultrahigh speed asynchronous motor |
| CN107896019A (en) * | 2017-12-26 | 2018-04-10 | 宁波菲仕自动化技术有限公司 | A kind of oblique slot type balance ring rotor structure and its balance manufacture method |
| CN108462344A (en) * | 2018-03-30 | 2018-08-28 | 重庆长基科技有限公司 | A kind of dynamic balance calibration device of rotor |
| CN109038937A (en) * | 2018-09-04 | 2018-12-18 | 上海歌尔泰克机器人有限公司 | A kind of motor, dynamical system, unmanned plane and Calculate Ways |
| CN110031149A (en) * | 2019-05-08 | 2019-07-19 | 上海电气凯士比核电泵阀有限公司 | A kind of axial symmetry rotor and its dynamic balancing De-weight method removing weight structure with dynamic balancing |
| KR20190131785A (en) * | 2018-05-17 | 2019-11-27 | 엘지전자 주식회사 | An Insert Type Balance Weight System |
| CN111463957A (en) * | 2019-11-27 | 2020-07-28 | 安徽艾格赛特电机科技有限公司 | Motor dynamic balance adjusting device and method |
-
2015
- 2015-11-30 CN CN201510856732.5A patent/CN105429403A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914938A (en) * | 2016-06-14 | 2016-08-31 | 江阴市澳盛动力设备有限公司 | Counterweight support and motor applying the support |
| CN106208510B (en) * | 2016-09-26 | 2019-02-19 | 南京磁谷科技有限公司 | Magnetic suspension motor rotor part and its online ballasting method |
| CN106208510A (en) * | 2016-09-26 | 2016-12-07 | 南京磁谷科技有限公司 | Magnetic suspension motor rotor part and online ballasting method thereof |
| CN106787533A (en) * | 2016-12-21 | 2017-05-31 | 上海电气集团上海电机厂有限公司 | A kind of rotor dynamic balancing adjustment method of ultrahigh speed asynchronous motor |
| CN107896019A (en) * | 2017-12-26 | 2018-04-10 | 宁波菲仕自动化技术有限公司 | A kind of oblique slot type balance ring rotor structure and its balance manufacture method |
| CN108462344A (en) * | 2018-03-30 | 2018-08-28 | 重庆长基科技有限公司 | A kind of dynamic balance calibration device of rotor |
| CN108462344B (en) * | 2018-03-30 | 2019-07-30 | 重庆长基科技有限公司 | A kind of dynamic balance calibration device of rotor |
| KR20190131785A (en) * | 2018-05-17 | 2019-11-27 | 엘지전자 주식회사 | An Insert Type Balance Weight System |
| KR102554472B1 (en) * | 2018-05-17 | 2023-07-10 | 엘지전자 주식회사 | An Insert Type Balance Weight System |
| CN109038937A (en) * | 2018-09-04 | 2018-12-18 | 上海歌尔泰克机器人有限公司 | A kind of motor, dynamical system, unmanned plane and Calculate Ways |
| CN109038937B (en) * | 2018-09-04 | 2020-04-03 | 上海歌尔泰克机器人有限公司 | Motor, power system, unmanned aerial vehicle and balancing method |
| CN110031149A (en) * | 2019-05-08 | 2019-07-19 | 上海电气凯士比核电泵阀有限公司 | A kind of axial symmetry rotor and its dynamic balancing De-weight method removing weight structure with dynamic balancing |
| CN111463957A (en) * | 2019-11-27 | 2020-07-28 | 安徽艾格赛特电机科技有限公司 | Motor dynamic balance adjusting device and method |
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Application publication date: 20160323 |
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| WD01 | Invention patent application deemed withdrawn after publication |