CN108696049A - Machine shaft and motor - Google Patents
Machine shaft and motor Download PDFInfo
- Publication number
- CN108696049A CN108696049A CN201810779725.3A CN201810779725A CN108696049A CN 108696049 A CN108696049 A CN 108696049A CN 201810779725 A CN201810779725 A CN 201810779725A CN 108696049 A CN108696049 A CN 108696049A
- Authority
- CN
- China
- Prior art keywords
- compensating groove
- machine shaft
- clump weight
- shaft
- rotor
- 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.)
- Granted
Links
- 238000003466 welding Methods 0.000 claims abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 7
- 230000003287 optical effect Effects 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 208000020442 loss of weight Diseases 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 abstract description 4
- 238000005498 polishing Methods 0.000 abstract description 4
- 239000010959 steel Substances 0.000 abstract description 4
- 230000007423 decrease Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 229910001369 Brass Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 230000005347 demagnetization Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000005713 exacerbation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004080 punching 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
- H02K7/003—Couplings; Details of shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/28—Counterweights, i.e. additional weights counterbalancing inertia forces induced by the reciprocating movement of masses in the system, e.g. of pistons attached to an engine crankshaft; Attaching or mounting same
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The present invention provides a kind of machine shaft and motor, including shaft ontology, and at least one compensating groove is additionally provided on the shaft ontology, and clump weight or the multiple clump weights of setting can be not provided in the compensating groove.Machine shaft and motor provided by the invention, by the way that compensating groove and clump weight are arranged in shaft, the mode that clump weight can be arranged in compensating groove adjusts the dynamic balancing of shaft, unbalance mass, is set significantly to decline, and then unbalance mass, is further conveniently adjusted using duplicate removal mode on rotor block, to avoid excessively polishing, rotor stop plate damages and damaging rotor iron core, can also avoid influencing shaft and magnet steel performance when series spot welding, to improve machine shaft dynamic balance calibration efficiency.
Description
Technical field
The present invention relates to electric machine structure technical field, especially a kind of machine shaft and motor.
Background technology
Existing rotation shaft of high-speed motor structure is by optical axis, front/rear rotor stop plate, rotor core and precision nut structure
At to avoid motor oscillating, noise and bearing wear caused by shaft imbalance, so use is turning in the prior art
Sub- baffle duplicate removal mode realizes the dynamic balancing of machine shaft, but which when the longer outer diameter in rotor core position it is bigger, especially by
Increasing selected precision nut in outer diameter will also become larger, and be become larger by rotor core and amount of unbalance caused by precision nut, from
And rotor stop plate is made to cannot be satisfied the duplicate removal quality needed for initial unbalance, continue polishing baffle meeting damaging rotor punching and causes
Security risk;Or dynamic balancing is corrected using exacerbation mode, which is to utilize copper post there are dynamic balancing hole on rotor stop plate
Or brass screw aggravates, which is that elimination counterweight copper post or brass screw are thrown away when rotating speed is excessively high, is usually welded in clump weight point
On rotor stop plate, but the excessively high irreversible demagnetization for easily causing magnet steel near close baffle of welding temperature, to influence motor
Energy.
Invention content
In order to solve the above-mentioned technical problem, a kind of machine shaft and motor that reliability is high is provided.
A kind of machine shaft, including shaft ontology are additionally provided at least one on the shaft ontology for placing counterweight
Zero or more than one clump weight is selectively arranged in the compensating groove in the compensating groove of block.
The compensating groove is opened on all sides of the shaft ontology.
The width of the opening of the compensating groove is less than the width of the balance trench bottom.
Width of the clump weight close to one end of the axis direction of the shaft ontology is more than the clump weight far from institute
State the width of one end of the axis direction of shaft ontology.
There is the compensating groove installing port, the width of the installing port to be equal to the width of the balance trench bottom, and described
Clump weight is put by the installing port in the compensating groove.
Clump weight in the installing port is arranged with compensating groove welding.
The cross section of the compensating groove is rectangle or trapezoidal or triangle, the cross section of the clump weight and the balance
The cross section of slot matches.
The shaft ontology includes that optical axis, rotor core and two rotor stop plates, the rotor core are set to the light
On axis, and each end of the rotor core abuts the rotor stop plate there are one settings.
The compensating groove is set to side of the rotor stop plate far from the rotor core.
The quantity of the compensating groove is two, and two compensating grooves are respectively arranged at two shaft shoulders of the rotor core
On.
Lightened structure or weightening structure are provided on the rotor stop plate.
The Lightened structure is formed on the rotor stop plate at duplicate removal.
The weightening structure includes weightening block, and the weightening block is detachably arranged on the rotor stop plate.
A kind of motor, including above-mentioned machine shaft.
Machine shaft and motor provided by the invention can balanced by the way that compensating groove and clump weight are arranged in shaft
The mode of setting clump weight adjusts the dynamic balancing of shaft in slot, and unbalance mass, is made significantly to decline, and then is conveniently kept off in rotor
Unbalance mass, is further adjusted using duplicate removal mode on block, rotor stop plate damages and damaging rotor iron to avoid excessively polishing
Core can also avoid influencing shaft and magnet steel performance when series spot welding, to improve machine shaft dynamic balance calibration efficiency.
Description of the drawings
Fig. 1 is the structural schematic diagram of the machine shaft of the embodiment of machine shaft provided by the invention and motor;
Fig. 2 is the partial schematic diagram at A in Fig. 1;
Fig. 3 is another structural schematic diagram of the machine shaft of the embodiment of machine shaft provided by the invention and motor;
Fig. 4 is the partial schematic diagram at B in Fig. 3;
In figure:
1, shaft ontology;2, compensating groove;3, clump weight;21, installing port;11, optical axis;12, rotor core;13, rotor is kept off
Plate.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, right with reference to the accompanying drawings and embodiments
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only used for explaining the present invention, not
For limiting the present invention.
Machine shaft as shown in Figures 1 to 4, including shaft ontology 1 are additionally provided at least one on the shaft ontology 1
Item is used to place the compensating groove 2 of clump weight 3, and zero or more than one clump weight is selectively arranged in the compensating groove 2
3, the mode that clump weight 3 can be arranged in compensating groove 2 adjusts the dynamic balancing of shaft, and unbalance mass, is made significantly to decline, into
And unbalance mass, is further conveniently adjusted using duplicate removal mode on rotor block, to avoid rotor stop plate 13 of excessively polishing
It damages and damaging rotor iron core 12, can also avoid influencing shaft and magnet steel performance when series spot welding, to improve machine shaft
Dynamic balance calibration efficiency, the special clump weight 3 are placed on the pre-position in compensating groove 2 and are carried out to the clump weight 3
Welding increases the installation reliability of clump weight 3.
The compensating groove 2 is opened on all sides of the shaft ontology 1, and the special compensating groove is endless groove, and
The center of circle of the endless groove is on the axis of the shaft.
The width of the opening of the compensating groove 2 is less than the width of 2 bottom of the compensating groove so that clump weight 3 can be flat
Do not deviate from compensating groove 2 in weighing apparatus slot 2, ensures the reliability that clump weight 3 is installed.
It is separate that width of the clump weight 3 close to one end of the axis direction of the shaft ontology 1 is more than the clump weight 3
The width of one end of the axis direction of the shaft ontology 1 ensures that clump weight 3 can be fastened in compensating groove 2.
There is the compensating groove 2 installing port 21, the width of the installing port 21 to be equal to the width of 2 bottom of the compensating groove,
And the clump weight 3 is put by the installing port 21 in the compensating groove 2 so that clump weight 3 is merely capable of from the installing port
21 pass in and out the compensating groove 2.
When need the position for adding clump weight 3 in the installing port 21 at, then this clump weight 3 and the compensating groove
2 welding settings, increase the reliability that clump weight 3 is installed.
The cross section of the compensating groove 2 is rectangle or trapezoidal or triangle, and the cross section of the clump weight 3 is put down with described
The cross section of weighing apparatus slot 2 matches.
The shaft ontology 1 includes optical axis 11, rotor core 12 and two rotor stop plates 13, and the rotor core 12 is arranged
In on the optical axis 11, and each end of the rotor core 12 abuts setting there are one the rotor stop plates
13。
The compensating groove 2 is set to side of the rotor stop plate 13 far from the rotor core 12.
The quantity of the compensating groove 2 is two, and two compensating grooves 2 are respectively arranged at two of the rotor core 12
On the shaft shoulder namely two compensating grooves 2 are in the outside of two rotor stop plates 13.
It is provided with Lightened structure or weightening structure on the rotor stop plate 13, the counterweight of setting is set in compensating groove 2
After block 3, dynamic balancing is finely adjusted using Lightened structure or weightening structure, is finally reached and ensures that dynamic balance calibration is accurate, effectively
Increase correct efficiency.
The Lightened structure is formed on the rotor stop plate 13 at duplicate removal.
The weightening structure includes weightening block, and the weightening block is detachably arranged on the rotor stop plate 13.
A kind of motor, including above-mentioned machine shaft.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (13)
1. a kind of machine shaft, it is characterised in that:Including shaft ontology (1), at least one is additionally provided on the shaft ontology (1)
Item is used to place the compensating groove (2) of clump weight (3), and zero or more than one is selectively arranged in the compensating groove (2)
Clump weight (3).
2. machine shaft according to claim 1, it is characterised in that:The compensating groove (2) is opened in the shaft ontology
(1) on all sides.
3. machine shaft according to claim 1, it is characterised in that:The width of the opening of the compensating groove (2) is less than institute
State the width of compensating groove (2) bottom.
4. machine shaft according to claim 3, it is characterised in that:The clump weight (3) is close to the shaft ontology (1)
The width of one end of axis direction be more than one end of axis direction of the clump weight (3) far from the shaft ontology (1)
Width.
5. machine shaft according to claim 4, it is characterised in that:The compensating groove (2) has installing port (21), described
The width of installing port (21) is equal to the width of the compensating groove (2) bottom, and the clump weight (3) is put by the installing port (21)
Enter in the compensating groove (2).
6. machine shaft according to claim 5, it is characterised in that:Clump weight (3) in the installing port (21) with
Compensating groove (2) the welding setting.
7. machine shaft according to claim 1, it is characterised in that:The cross section of the compensating groove (2) be rectangle or
Trapezoidal or triangle, the cross section and the cross section of the compensating groove (2) of the clump weight (3) match.
8. machine shaft according to claim 1, it is characterised in that:The shaft ontology (1) includes optical axis (11), rotor
Iron core (12) and two rotor stop plates (13), the rotor core (12) is set on the optical axis (11), and the rotor iron
Each end of core (12) abuts setting, and there are one the rotor stop plates (13).
9. machine shaft according to claim 8, it is characterised in that:The compensating groove (2) is set to the rotor stop plate
(13) side far from the rotor core (12).
10. machine shaft according to claim 8, it is characterised in that:The quantity of the compensating groove (2) is two, two
The compensating groove (2) is respectively arranged on two shaft shoulders of the rotor core (12).
11. machine shaft according to claim 8, it is characterised in that:It is provided with loss of weight knot on the rotor stop plate (13)
Structure or weightening structure.
12. machine shaft according to claim 11, it is characterised in that:The weightening structure includes weightening block, the increasing
Pouring weight is removable installed on the rotor stop plate (13).
13. a kind of motor, it is characterised in that:Including the machine shaft described in any one of claim 1 to 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810779725.3A CN108696049B (en) | 2018-07-16 | 2018-07-16 | Motor rotating shaft and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810779725.3A CN108696049B (en) | 2018-07-16 | 2018-07-16 | Motor rotating shaft and motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108696049A true CN108696049A (en) | 2018-10-23 |
| CN108696049B CN108696049B (en) | 2024-01-23 |
Family
ID=63850678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810779725.3A Active CN108696049B (en) | 2018-07-16 | 2018-07-16 | Motor rotating shaft and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108696049B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113489232A (en) * | 2021-07-29 | 2021-10-08 | 中国科学院工程热物理研究所 | Flywheel structure and flywheel energy storage system |
| CN113595322A (en) * | 2021-07-29 | 2021-11-02 | 中国科学院工程热物理研究所 | Anti-disengagement flywheel structure and flywheel energy storage system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202364006U (en) * | 2011-12-09 | 2012-08-01 | 苏州金莱克汽车电机有限公司 | Motor with pre-balance rotor |
| CN203522467U (en) * | 2014-01-02 | 2014-04-02 | 浙江轩业电气设备有限公司 | Motor shaft |
| CN203774993U (en) * | 2014-01-21 | 2014-08-13 | 西安盾安电气有限公司 | Squirrel-cage motor rotor balancing device |
| CN208589865U (en) * | 2018-07-16 | 2019-03-08 | 珠海格力电器股份有限公司 | Machine shaft and motor |
-
2018
- 2018-07-16 CN CN201810779725.3A patent/CN108696049B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202364006U (en) * | 2011-12-09 | 2012-08-01 | 苏州金莱克汽车电机有限公司 | Motor with pre-balance rotor |
| CN203522467U (en) * | 2014-01-02 | 2014-04-02 | 浙江轩业电气设备有限公司 | Motor shaft |
| CN203774993U (en) * | 2014-01-21 | 2014-08-13 | 西安盾安电气有限公司 | Squirrel-cage motor rotor balancing device |
| CN208589865U (en) * | 2018-07-16 | 2019-03-08 | 珠海格力电器股份有限公司 | Machine shaft and motor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113489232A (en) * | 2021-07-29 | 2021-10-08 | 中国科学院工程热物理研究所 | Flywheel structure and flywheel energy storage system |
| CN113595322A (en) * | 2021-07-29 | 2021-11-02 | 中国科学院工程热物理研究所 | Anti-disengagement flywheel structure and flywheel energy storage system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108696049B (en) | 2024-01-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |