CN206820564U - A kind of balanced structure for generator amature - Google Patents
A kind of balanced structure for generator amature Download PDFInfo
- Publication number
- CN206820564U CN206820564U CN201720585597.XU CN201720585597U CN206820564U CN 206820564 U CN206820564 U CN 206820564U CN 201720585597 U CN201720585597 U CN 201720585597U CN 206820564 U CN206820564 U CN 206820564U
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- CN
- China
- Prior art keywords
- balancing weight
- stud
- bolt
- generator amature
- ring flat
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- 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.)
- Expired - Fee Related
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- Manufacture Of Motors, Generators (AREA)
Abstract
The utility model discloses a kind of balanced structure for generator amature, it is related to motor production technical field, main shaft including rotor body and connection fixed thereto, one end of the rotor body fix annulate lamella, multiple the first balancing weights along alignment of shafts annular array are provided with ring flat-plate；The other end of the rotor body is fixedly installed multiple studs along alignment of shafts annular array, and the second balancing weight is provided with each stud；Through hole is offered on first balancing weight, the second balancing weight, and multiple mounting holes coordinated with through hole are offered on ring flat-plate and stud, fixed bolt is installed in mounting hole, and the first balancing weight, the second balancing weight are installed by bolt.The utility model is simple in construction, and reliability is high, and only needs the disposable improvement expenses of early stage without excessively safeguarding in use, reduce use cost.
Description
Technical field
Motor production technical field is the utility model is related to, in particular to a kind of balance for generator amature
Structure.
Background technology
In power station, because present manufacturing technology is limited, the rotor in turbine-generator units is caused to manufacture
It is uneven to there is rotor weight after, so as to which rotor caused centrifugal force during rotating operation can be caused to occur with joint efforts not
The situation for being zero.In this case the unit vibration run, bearing liner temperature parameter all can be very big, and hydrogenerator can be made when serious
Group can not normally safe and reliable operation.
Traditional ballasting method is that the balancing weight after calculating is weighed is welded the top or bottom for being directly welded in rotor
Position.Restart generating set, allow rotor to rotate and examine counterweight whether qualified, otherwise further find out out-of-balance force again
Size direction, then carry out next round counterweight work.Because rotor needs rotary motion, so the balancing weight of welding has to jail
It is Gu reliable.But can go out during this needs the situation for removing the previously configuration block in welding, and carbon arc gas need to be used by removing balancing weight
Plane, excludes weld seam, and generator amature inner space is narrow and small, and is dispersed with rotor magnetic pole coil, stator bar, makees getting angry
If protection is improper in industrial engineering (IE), the welding slag of splashing can damage pole coil, the insulation of stator bar, reduce insulation and easily draw
Play the major accident of insulation breakdown.Weld job of getting angry inside generator amature belongs to having in excessive risk operation in power industry
Job space category is limited, is strict management and control object.It is exactly to increase an accident risk often to increase a fire operation.
Utility model content
The purpose of this utility model is to provide a kind of balanced structure for generator amature, to solve the above problems.
To realize the utility model purpose, the technical scheme used for：A kind of balanced structure for generator amature, bag
Rotor body and the main shaft of connection fixed thereto are included, one end of the rotor body is fixed annulate lamella, is provided with ring flat-plate multiple
Along the first balancing weight of alignment of shafts annular array；The other end of the rotor body is fixedly installed multiple along alignment of shafts ring
The stud of shape array, the second balancing weight is provided with each stud；Offered on first balancing weight, the second balancing weight
Through hole, and multiple mounting holes coordinated with through hole are offered on ring flat-plate and stud, fixed bolt is installed in mounting hole, and
First balancing weight, the second balancing weight are installed by bolt.
Further, the ring flat-plate, the back of stud are respectively and fixedly provided with nut corresponding with mounting hole, and one end position of bolt
In in nut.
Further, the mounting hole coordinates with bolt thread, and bolt is fixed by thread locking agent.
Further, the stud and the first balancing weight at least two.
Further, the second balancing weight on each stud is at least 2.
Further, flashboard is additionally provided with the main shaft, the other end and the flashboard of stud are fixed.
The beneficial effects of the utility model are,
1st, when carrying out dynamic balance test of rotor, coordinated by the through hole on the first balancing weight, the second balancing weight and bolt,
The first balancing weight is set first to be arranged on ring flat-plate, the second balancing weight is first arranged on stud, enables rotor fast in dynamic balance running
Being dismounted to the first balancing weight and the second balancing weight for speed, improves operating efficiency, shortens needed for dynamic balance test of rotor
It is time, cost-effective.
2nd, after generator amature dynamic balance running is qualified, the first balancing weight being bolted and ring flat-plate are welded solid
Fixed, the second balancing weight being bolted is welded and fixed with stud, without the excessive confined space carried out in excessive risk
Fire operation, operating risk is greatly reduced, reduce the generation of major accident.
3rd, in order to effectively preventing from making bolt because of running at high speed for rotor body in generator amature dynamic balance running
Loosen, using using thread locking between bolt and mounting hole and installing nut at the back of ring flat-plate, stud, make the fixation of bolt
More firmly, while make the installation of the first balancing weight and the second balancing weight more solid, improve generator amature dynamic balance running
Efficiency.
4th, the utility model is simple in construction, and reliability is high, effectively prevents the damage of pole coil, and in use without
It need to excessively safeguard, only need the disposable improvement expenses of early stage, reduce use cost.
Brief description of the drawings
Fig. 1 is the structure chart of the balanced structure provided by the utility model for generator amature；
Fig. 2 is the ring-plane structure figure in the utility model；
Fig. 3 is the stud structure figure in the utility model；
Mark and corresponding parts title in accompanying drawing：
1st, rotor body, 2, main shaft, 3, ring flat-plate, the 4, first balancing weight, 5, through hole, 6, stud, the 7, second balancing weight, 8,
Mounting hole, 9, flashboard, 10, bolt, 11, nut.
Embodiment
The utility model is described in further detail below by specific examples of the implementation and with reference to accompanying drawing.
The shown a kind of balanced structure for generator amature provided by the utility model of Fig. 1, Fig. 2, Fig. 3, including
Annulate lamella 3 is fixed in rotor body 1 and the main shaft of connection fixed thereto 2, one end of the rotor body 1, and main shaft 2 runs through ring flat-plate 3,
Specifically, ring flat-plate 3 is fixed with rotor body 1 by screw, it is provided with ring flat-plate 3 multiple along the of the center annular array of main shaft 2
One balancing weight 4, the first balancing weight 4 is secter pat or rectangular block, and the first balancing weight 4 is arranged on the surface of ring flat-plate 3；The rotor
The other end of body 1 is fixedly installed multiple studs 6 along the center annular array of main shaft 2, and stud 6 is vertically fixedly mounted on rotor
On body 1, and the length direction of stud 6 is consistent with the radial direction of rotor body 1, and being provided with second on each stud 6 matches somebody with somebody
Pouring weight 7；Through hole 5 is offered on first balancing weight 4, the second balancing weight 7, is led on the first balancing weight 4, the second balancing weight 7
Hole 5 is respectively positioned on its center, and through hole 5 is screwed hole, and multiple peaces coordinated with through hole 5 are offered on ring flat-plate 3 and stud 6
Hole 8 is filled, fixed bolt 10 is installed in mounting hole 8, and the first balancing weight 4, the second balancing weight 7 are installed by bolt 10.
Conveniently when carrying out dynamic balance test of rotor, it is removably mounted at the first balancing weight 4 by the cooperation of through hole 5 and mounting hole 8
On ring flat-plate 3, the second balancing weight 7 is removably mounted on stud 6, when the installation for confirming the first balancing weight 4 and the second balancing weight 7
Behind position, directly the first balancing weight 4 is welded and fixed with ring flat-plate 3, the second balancing weight 7 is welded and fixed with stud 6.
When carrying out dynamic balance test of rotor using first tightening bolt in mounting hole 8, then by weight phase
Deng multiple first balancing weights 4 and multiple second balancing weights 7 be tightened on bolt, now carry out dynamic balancing again examination
Test, examine configuration whether qualified, if unqualified, uneven orientation and out-of-balance force size are calculated again, then increase and decrease the
One balancing weight 4, the second balancing weight 7 and change orientation, during which by the way that the first balancing weight 4 and the second balancing weight 7 are twisted from bolt
Counterweight work can be completed under demolition, the first balancing weight 4 and the second balancing weight 7 is welded and fixed during experiment
Removed with carbon arc air gouging；If qualified after generator amature dynamic balance running, respectively in the first balancing weight 4 and the second balancing weight 7
Respectively the upper length of welding is 10mm in 4 directions, weld a height of 3mm angle welding, the first balancing weight 4 is fixed with ring flat-plate 3, second matches somebody with somebody
Pouring weight 7 is fixed with stud 6.
Due to the thinner thickness of ring flat-plate 3, the centrifugal force in rotation process of rotor body 1 is larger, is rotating rotor body 1
Cheng Zhong, the bolt on ring flat-plate 3 can loosen, can be in the back welded nut 11 of ring flat-plate 3, and the screwed hole on nut 11 and installation
Hole 8 is alignd, and one end of bolt 10 is fixed in nut 11, and the local thickness for making ring flat-plate 3 by welded nut 11 increases, then spiral shell
Bolt 10 can be more firmly installed on ring flat-plate 3, prevent the first balancing weight 4 in dynamic balance test of rotor because of the loosening of bolt 10
And come off, in order to prevent the loosening of bolt 10, can increase between bolt 10 and mounting hole 8 between bolt 10 and nut 11
Thread locking agent is locked；Mounting hole 8 coordinates with the screw thread of bolt 10 simultaneously, then directly using thread locking agent directly by bolt 10
It is locked in mounting hole 8.
The balancing weight 4 at least two of stud 6 and first, and the balancing weight 4 of stud 6 and first preferentially selects even number,
Facilitate the installation of the balancing weight 4 of stud 6 and first.The second balancing weight 7 on each stud 6 is at least 2, the second balancing weight
7 particular number can be determined according to actual use situation, and multiple second balancing weights 7 are evenly distributed on stud 6, finally
Make rotor body 1 more steady in rotation process.
Flashboard 9 is additionally provided with the main shaft 2, the other end and the flashboard 9 of stud 6 are fixed, and not only consolidate the fixation of stud 6
Fixed more firm, avoiding rotor body 1, stud 6 comes off because subject to centrifugal forces in rotation process.
After engine rotor dynamic balance running, the installation site of the first balancing weight 4 and the second balancing weight 7 is determined, this
When the first balancing weight 4 is fixed with ring flat-plate 3, the second balancing weight 7 provides with stud 6, and the first balancing weight 4 and the second balancing weight 7
Fixed form to be welded and fixed.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (6)
1. a kind of balanced structure for generator amature, including rotor body and the main shaft of connection fixed thereto, its feature exist
In annulate lamella is fixed in one end of the rotor body, and multiple the first counterweights along alignment of shafts annular array are provided with ring flat-plate
Block；The other end of the rotor body is fixedly installed multiple studs along alignment of shafts annular array, is all provided with each stud
It is equipped with the second balancing weight；Through hole is offered on first balancing weight, the second balancing weight, and is offered on ring flat-plate and stud
Multiple mounting holes coordinated with through hole, fixed bolt is installed in mounting hole, and the first balancing weight, the second balancing weight pass through
Bolt is installed.
2. the balanced structure according to claim 1 for generator amature, it is characterised in that the ring flat-plate, stud
Back is respectively and fixedly provided with nut corresponding with mounting hole, and one end of bolt is located in nut.
3. the balanced structure according to claim 1 or 2 for generator amature, it is characterised in that the mounting hole with
Bolt thread coordinates, and bolt is fixed by thread locking agent.
4. the balanced structure according to claim 1 for generator amature, it is characterised in that the ring flat-plate and first is matched somebody with somebody
Pouring weight at least two.
5. the balanced structure according to claim 1 or 2 for generator amature, it is characterised in that each stud
On the second balancing weight at least two.
6. the balanced structure according to claim 1 for generator amature, it is characterised in that also set up on the main shaft
There is flashboard, the other end and the flashboard of stud are fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720585597.XU CN206820564U (en) | 2017-05-24 | 2017-05-24 | A kind of balanced structure for generator amature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720585597.XU CN206820564U (en) | 2017-05-24 | 2017-05-24 | A kind of balanced structure for generator amature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206820564U true CN206820564U (en) | 2017-12-29 |
Family
ID=60756481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720585597.XU Expired - Fee Related CN206820564U (en) | 2017-05-24 | 2017-05-24 | A kind of balanced structure for generator amature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206820564U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110086291A (en) * | 2019-06-17 | 2019-08-02 | 苏州百狮腾电气有限公司 | A kind of balance mechanism for screw compressor motor |
| CN113595280A (en) * | 2021-08-18 | 2021-11-02 | 华能通辽风力发电有限公司 | Rotor |
-
2017
- 2017-05-24 CN CN201720585597.XU patent/CN206820564U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110086291A (en) * | 2019-06-17 | 2019-08-02 | 苏州百狮腾电气有限公司 | A kind of balance mechanism for screw compressor motor |
| CN113595280A (en) * | 2021-08-18 | 2021-11-02 | 华能通辽风力发电有限公司 | Rotor |
| CN113595280B (en) * | 2021-08-18 | 2023-11-17 | 华能通辽风力发电有限公司 | Rotor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171229 Termination date: 20200524 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |