CN216625530U - Excitation winding clamp of generator rotor - Google Patents
Excitation winding clamp of generator rotor Download PDFInfo
- Publication number
- CN216625530U CN216625530U CN202123034017.3U CN202123034017U CN216625530U CN 216625530 U CN216625530 U CN 216625530U CN 202123034017 U CN202123034017 U CN 202123034017U CN 216625530 U CN216625530 U CN 216625530U
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- winding
- clamping
- limiting clamp
- shaft
- generator rotor
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The utility model relates to the technical field of winding fixtures, and discloses an excitation winding fixture of a generator rotor, which is used for regularly winding an enameled wire on a coil on a salient pole structure of an excitation winding; comprises a base and two groups of winding clamping components arranged on the base; the two groups of winding clamping components are respectively used for clamping a coil and an excitation winding; the driving mechanism and the driven mechanism in the same winding clamping assembly form a space for clamping a coil or an excitation winding together; the supporting seat is fixedly arranged on the base, the worm and gear reducer is fixedly arranged on the supporting seat, the output end of the power device is in transmission connection with the driving shaft through the worm and gear reducer and the inter-shaft coupler in sequence, and the driving shaft is rotatably arranged on the first limiting clamp; the driven mechanism comprises a second limiting clamp and a driven shaft which is rotatably installed on the second limiting clamp. The utility model has the advantage of preventing winding rollback.
Description
Technical Field
The utility model relates to the technical field of winding clamps, in particular to a winding clamp for an excitation winding of a generator rotor, which is used for winding the excitation winding of the rotor.
Background
When the excitation winding of the main generator rotor of the generator is short-circuited, short-circuited or the insulation strength is reduced, the excitation winding needs to be maintained, an old winding on the excitation winding needs to be removed, and the winding direction of a new winding is wound on the excitation winding again; the enameled wire is a main winding variety applied to an excitation winding, and because the surface of the enameled wire is provided with ten layers of very thin insulating films, the insulating films are easily damaged due to irregular winding, overlarge winding tension and the like in the winding process, so that the winding fails; meanwhile, winding backspacing easily occurs in the winding process, and winding overlapping or arrangement disorder phenomenon is easily caused in the process of re-tensioning after winding backspacing, so that winding violence is seriously influenced. Therefore, there is a need for a winding jig capable of regularly, uniformly and compactly winding a winding wire on a coil around an excitation winding of an enameled wire.
SUMMERY OF THE UTILITY MODEL
Aiming at the problem that winding rollback is easy to occur in the winding process in the prior art, the utility model provides a winding clamp for an excitation winding of a generator rotor, which takes a worm gear reducer as a transmission assembly so as to play a role in preventing winding rollback in the process of winding the excitation winding.
The utility model is realized by the following technical scheme:
a winding clamp for an excitation winding of a generator rotor is used for regularly winding an enameled wire on a coil on a salient pole structure of the excitation winding; comprises a base and two groups of winding clamping components arranged on the base; one group of winding clamping components is used for clamping a coil, and the other group of winding clamping components is used for clamping an excitation winding; each group of winding clamping assemblies consists of a driving mechanism and a driven mechanism, and the driving mechanism and the driven mechanism in the same group of winding clamping assemblies form a space for clamping a coil or an excitation winding together;
the driving mechanism comprises a supporting seat, a power device, a worm and gear reducer, an inter-shaft coupler, a driving shaft and a first limiting clamp; the supporting seat is fixedly arranged on the base, the worm and gear reducer is fixedly arranged on the supporting seat, the output end of the power device is in transmission connection with the driving shaft through the worm and gear reducer and the inter-shaft coupler in sequence, and the driving shaft is rotatably arranged on the first limiting clamp;
the driven mechanism comprises a second limiting clamp and a driven shaft rotatably arranged on the second limiting clamp;
the driving shaft and the driven shaft in the same winding clamping assembly are coaxially arranged along the rotating axis of the clamping piece.
In order to better realize the utility model, further, the rotating axes of the clamping pieces in the two groups of winding clamping assemblies are positioned on the same horizontal plane and are arranged in parallel.
In order to better realize the utility model, end face clamping plates are respectively arranged on the end faces, close to each other, of the driving shaft and the driven shaft in the same group of winding clamping assemblies, and a space for clamping a coil or an excitation winding is arranged between the two end face clamping plates.
In order to better implement the utility model, further, a threaded through hole is formed in the end face clamping plate along the axial direction of the driving shaft, and a bolt for fixing the coil or the excitation winding is installed in the threaded through hole.
In order to better realize the utility model, the first limiting clamp comprises a first limiting clamp body and a first pressing plate, and the first limiting clamp body and the first pressing plate can be butted to form a first mounting hole for clamping the periphery of the driving shaft; the first limiting clamp body is connected with a pair of side edges, used for matching and butting, of the first pressing plate through hinges, and the other pair of side edges are provided with buckle connecting components.
In order to better realize the utility model, further, the second limiting clamp comprises a second limiting clamp body and a second pressing plate, and the second limiting clamp body and the second pressing plate can be butted to form a second mounting hole for clamping the periphery of the driven shaft; the second limiting clamp body is connected with a pair of side edges, used for matching and butting, of the second pressing plate through hinges, and the other pair of side edges are provided with buckle connecting components.
In order to better realize the utility model, a first mounting section used for being matched with the first mounting hole is further arranged in the middle of the driving shaft, and first limiting shaft shoulders used for preventing the first mounting section from axially sliding out of the first mounting hole are arranged at two ends of the first mounting section.
In order to better realize the utility model, a second mounting section used for being matched with the second mounting hole is further arranged in the middle of the driven shaft, and second limiting shaft shoulders used for preventing the second mounting section from axially sliding out of the second mounting hole are arranged at two ends of the second mounting section.
In order to better realize the utility model, the wire guiding device is further arranged on the base and comprises a linear slide rail, a slide block, a driving device and a wire control device; the linear sliding rail is fixedly arranged on the base along the axis direction of the driving shaft, a sliding block is arranged on the sliding rail, and a wire control device is fixedly arranged on the sliding block; the driving device enables the sliding block to reciprocate along the linear sliding rail through lead screw transmission.
In order to better implement the utility model, further, the power device is a hand wheel or a servo motor.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
(1) according to the utility model, the worm gear and worm speed reduction reducer is used as the transmission assembly, and the characteristic of unidirectional self-locking of the worm gear and worm transmission is utilized, so that after the power device stops driving, the driving shaft, the driven shaft and the clamping piece between the driving shaft and the driven shaft cannot rotate, and the winding backspacing is avoided;
(2) in the winding process, the line feeding layer of the excitation winding is increased, the line feeding layer of the coil is reduced, the tension in the winding process is always kept within an allowable range by continuously adjusting the rotating speeds of the two power devices, and the phenomenon that the winding quality is reduced due to overlarge tension is avoided.
Drawings
The technical solutions will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention.
FIG. 1 is a front view of a winding fixture for an excitation winding of a generator rotor according to the present invention;
FIG. 2 is a top view of a winding fixture for a field winding of a generator rotor according to the present invention;
FIG. 3 is a left side view of a winding fixture for an excitation winding of a generator rotor according to the present invention;
FIG. 4 is a schematic structural view of a first position-limiting clamp according to the present invention;
FIG. 5 is a schematic view of a second spacing clip according to the present invention;
FIG. 6 is a schematic structural diagram of the driving shaft, the driven shaft and the end face clamping plates arranged on the opposite end faces of the driving shaft and the driven shaft.
Wherein: 1. a base; 2. a winding clamping assembly; 21. a supporting seat; 22. a worm gear reducer; 23. a first limit clamp; 231. a first limit clamp body; 232. a first platen; 233. a first mounting hole; 24. an inter-shaft coupler; 25. a drive shaft; 251. a first mounting section; 252. a first limit shaft shoulder; 26. an end face clamping plate; 27. a power plant; 28. a second limit clamp; 281. a second limiting clamp body; 282. a second platen; 283. a second mounting hole; 29. a driven shaft; 291. a second mounting section; 292. a second limiting shaft shoulder; 3. a wire guide device; 31. a linear slide rail; 32. a slider; 33. a wire control device; 34. a drive device.
Detailed Description
The present invention will be described in further detail with reference to the following examples. This should not be understood as limiting the scope of the above-described subject matter of the present invention to the following examples. Various substitutions and alterations according to the general knowledge and conventional practice in the art are intended to be included within the scope of the present invention without departing from the technical spirit of the present invention as described above.
Example 1:
the winding clamp for the excitation winding of the generator rotor is used for regularly winding an enameled wire on a coil on a salient pole structure of the excitation winding; as shown in fig. 1-3, the winding device comprises a base 1 and two groups of winding clamping assemblies 2 arranged on the base 1; one group of winding clamping components 2 is used for clamping a coil, and the other group of winding clamping components 2 is used for clamping an excitation winding; each group of winding clamping assemblies 2 consists of a driving mechanism and a driven mechanism, and the driving mechanism and the driven mechanism in the same group of winding clamping assemblies 2 form a space for clamping a coil or an excitation winding together;
the driving mechanism comprises a supporting seat 21, a power device 27, a worm gear reducer 22, an inter-shaft coupler 24, a driving shaft 25 and a first limiting clamp 23; the supporting seat 21 is fixedly arranged on the base 1, the worm gear reducer 22 is fixedly arranged on the supporting seat 21, the output end of the power device 27 is in transmission connection with the driving shaft 25 through the worm gear reducer 22 and the inter-shaft coupler 24 in sequence, and the driving shaft 25 is rotatably arranged on the first limiting clamp 23;
the driven mechanism comprises a second limiting clamp 28 and a driven shaft 29 rotatably mounted on the second limiting clamp 28;
the driving shaft 25 and the driven shaft 29 in the same winding clamping assembly 2 are coaxially arranged along the rotation axis of the clamping piece.
The clamping piece in the embodiment is a coil or an excitation winding.
In the embodiment, two groups of winding clamping assemblies 2 are arranged on the base 1 in parallel, one group of winding clamping assemblies 2 of the winding clamping assemblies 2 is used for clamping a coil, and the other group of winding clamping assemblies 2 is used for clamping an excitation winding; the clamping piece is clamped by the driving mechanism and the driven mechanism in each group of winding clamping assemblies 2 together, and the two groups of winding clamping assemblies 2 realize synchronous rotation to finish the winding process; by using the worm gear reducer 22 as a ring in the transmission mechanism and utilizing the characteristic that the transmission between the worm gear and the worm is one-way self-locking, after the power device 27 stops driving, the driving shaft 25, the driven shaft 29 and the clamping piece between the driving shaft and the driven shaft stop rotating, and the winding wire is prevented from returning.
Implementation 2:
the present embodiment is further optimized based on embodiment 1, as shown in fig. 1-6, the rotation axes of the clamping members in the two winding clamping assemblies 2 are located on the same horizontal plane and are arranged in parallel.
In addition, end face clamping plates 26 are respectively arranged on the mutually close end faces of the driving shaft 25 and the driven shaft 29 in the winding clamping assembly 2 in the same group, and a space for clamping a coil or an excitation winding is formed between the two end face clamping plates 26.
In addition, the coil and the field winding are clamped by the two end face clamping plates 26, so that the clamping stability is improved.
In addition, a threaded through hole is formed in the end face clamping plate 26 along the axial direction of the driving shaft 25, and a bolt for fixing the coil or the excitation winding is installed in the threaded through hole.
The clamping force and the clamping degree adjustment of the clamping piece are provided through the bolt, the structure is simple, the processing is easy, the replaceability is strong, and the cost is reduced; meanwhile, the clamping and the dismounting of the clamping piece can be convenient due to the matching of the bolt and the threaded through hole, and the usability is extremely high.
In addition, the first limiting clamp 23 comprises a first limiting clamp body 23 and a first pressing plate 232, and the first limiting clamp body 23 and the first pressing plate 232 can be butted to form a first mounting hole 233 for clamping the periphery of the driving shaft 25; the first position-limiting clamp body 23 is connected to the first pressure plate 232 at a pair of sides for matching and butt joint through a hinge, and a snap-fit connection assembly is arranged at the other pair of sides.
The second limit clamp 28 comprises a second limit clamp body 281 and a second pressing plate 282, and the second limit clamp body 281 and the second pressing plate 282 can be butted to form a second mounting hole 283 with the periphery for clamping the driven shaft 29; the second position-limiting clamp body 281 and the second pressure plate 282 are connected by a hinge at a pair of sides for matching and butt joint, and a snap connection assembly is arranged at the other pair of sides.
The middle of the driving shaft 25 is provided with a first mounting section 251 which is used for being matched with the first mounting hole 233, and two ends of the first mounting section 251 are provided with first limiting shaft shoulders 252 which are used for preventing the first mounting section 251 from sliding out of the first mounting hole 233 along the axial direction.
The middle part of the driven shaft 29 is provided with a second mounting section 291 which is used for being matched with the second mounting hole 283, and two ends of the second mounting section 291 are provided with second limiting shaft shoulders 292 which are used for preventing the second mounting section 291 from sliding out of the second mounting hole 283 along the axial direction.
In addition, the first limit clamp 23 can be a bearing seat, the first mounting section 251 of the driving shaft 25 can only have one end provided with a first limit shaft shoulder 252, and the second mounting section 291 of the driving shaft 25 is mounted on the first limit clamp 23 through a bearing; the second limit clamp 28 may be a bearing seat, the second mounting segment 291 on the driven shaft may only have one end provided with a second limit shoulder 292, and the second mounting segment 291 of the driving shaft 25 is mounted on the second limit clamp 28 through a bearing.
The wire guiding device 3 is arranged on the base 1, and the wire guiding device 3 comprises a linear slide rail 31, a slide block 32, a driving device 34 and a wire control device 33; the linear slide rail 31 is fixedly arranged on the base 1 along the axial direction of the driving shaft 25, a slide block 32 is arranged on the slide rail, and a wire control device 33 is fixedly arranged on the slide block 32; the driving device 34 reciprocates the slider 32 along the linear guideway 31 through a lead screw transmission.
In addition, the enameled wire on the wire coil passes through the wire control device 33 and then is wound on the excitation winding, a hole through which the enameled wire passes of the wire control device 33 faces one end of the excitation winding, and the diameter of the hole is slightly larger than that of the enameled wire.
In the winding process, due to the fact that the arrangement of enameled wires on the wire coil is irregular, the windings of the excitation winding cannot be uniformly arranged in the winding process, and the position of the windings corresponding to the excitation winding is controlled by arranging the wire device 3, so that the windings on the excitation winding can be regularly arranged; by measuring the ratio of the lead screw to the diameter of the enameled wire and calculating the number of turns of the corresponding excitation rotor which need to rotate when the lead screw rotates for one turn, after the coil on the excitation rotor is wound for one layer successfully, the rotation direction of the driving device 34 reversely drives the lead screw to wind the next wire layer; and repeating the steps to finally complete the winding work of the excitation wire winding.
In addition, the power device 27 is a hand wheel or a servo motor.
The handwheel and the servo motor are used as a power device 27, the rotating speed of the two groups of winding clamping assemblies 2 can be independently controlled, the line layer on the excitation winding is increased and the diameter is increased along with the gradual completion of the winding process, the line layer on the coil is reduced and the diameter is reduced, and the rotating speed of the excitation winding needs to be gradually reduced or the rotating speed of the coil needs to be increased or the rotating speed of the coil is increased while the rotating speed of the excitation winding is reduced in order to avoid the overlarge tension of the enameled wire between the excitation winding and the coil; so as to keep the tension of the enameled wire between the excitation winding and the coil within a proper range.
Other parts of this embodiment are the same as embodiment 1, and thus are not described again.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.
Claims (10)
1. A winding clamp for an excitation winding of a generator rotor is used for regularly winding an enameled wire on a coil on a salient pole structure of the excitation winding; the method is characterized in that: comprises a base (1) and two groups of winding clamping components (2) arranged on the base (1); one group of winding clamping components (2) is used for clamping a coil, and the other group of winding clamping components (2) is used for clamping an excitation winding; each group of winding clamping assemblies (2) consists of a driving mechanism and a driven mechanism, and the driving mechanism and the driven mechanism in the same group of winding clamping assemblies (2) jointly form a space for clamping a coil or an excitation winding;
the driving mechanism comprises a supporting seat (21), a power device (27), a worm gear reducer (22), an inter-shaft coupler (24), a driving shaft (25) and a first limiting clamp (23); the supporting seat (21) is fixedly arranged on the base (1), the worm gear reducer (22) is fixedly arranged on the supporting seat (21), the output end of the power device (27) is in transmission connection with the driving shaft (25) through the worm gear reducer (22) and the inter-shaft coupler (24) in sequence, and the driving shaft (25) is rotatably arranged on the first limiting clamp (23);
the driven mechanism comprises a second limiting clamp (28) and a driven shaft (29) rotatably mounted on the second limiting clamp (28);
the driving shaft (25) and the driven shaft (29) in the same winding clamping assembly (2) are coaxially arranged along the rotating axis of the clamping piece.
2. The field winding jig of a generator rotor as claimed in claim 1, wherein: the rotating axes of the clamping pieces in the two groups of winding clamping assemblies (2) are positioned on the same horizontal plane and are arranged in parallel.
3. The field winding jig of a generator rotor as claimed in claim 1, wherein: end face clamping plates (26) are respectively arranged on the end faces, close to each other, of the driving shaft (25) and the driven shaft (29) in the same winding clamping assembly (2), and a space for clamping a coil or an excitation winding is arranged between the two end face clamping plates (26).
4. The field winding jig of a generator rotor as set forth in claim 3, wherein: the end face clamping plate (26) is provided with a threaded through hole along the axis direction of the driving shaft (25), and a bolt for fixing the coil or the excitation winding is installed in the threaded through hole.
5. The field winding jig of a generator rotor as set forth in claim 1, wherein: the first limiting clamp (23) comprises a first limiting clamp body (231) and a first pressing plate (232), and the first limiting clamp body (231) and the first pressing plate (232) can be butted to form a first mounting hole (233) for clamping the periphery of the driving shaft (25); the first limiting clamp body (231) is connected with a pair of side edges, used for matching and butting, of the first pressing plate (232) through hinges, and the other pair of side edges are provided with a clamping connection assembly.
6. The field winding jig of a generator rotor as claimed in claim 1, wherein: the second limiting clamp (28) comprises a second limiting clamp body (281) and a second pressing plate (282), and the second limiting clamp body (281) and the second pressing plate (282) can be butted to form a second mounting hole (283) for clamping the periphery of the driven shaft (29); the second limiting clamp body (281) is connected with a pair of side edges, used for matching and butting, of the second pressing plate (282) through a hinge, and the other pair of side edges are provided with a buckle connecting assembly.
7. The field winding jig for a generator rotor according to claim 5, wherein: the middle of the driving shaft (25) is provided with a first mounting section (251) matched with the first mounting hole (233), and two ends of the first mounting section (251) are provided with first limiting shaft shoulders (252) used for preventing the first mounting section (251) from axially sliding out of the first mounting hole (233).
8. The field winding jig for a generator rotor according to claim 6, wherein: the middle of the driven shaft (29) is provided with a second mounting section (291) matched with the second mounting hole (283), and two ends of the second mounting section (291) are provided with second limiting shaft shoulders (292) used for preventing the second mounting section (291) from axially sliding out of the second mounting hole (283).
9. A field winding jig for a generator rotor according to any one of claims 1 to 8, wherein: the wire guiding device (3) is arranged on the base (1), and the wire guiding device (3) comprises a linear slide rail (31), a slide block (32), a driving device (34) and a wire control device (33); the linear sliding rail (31) is fixedly arranged on the base (1) along the axial direction of the driving shaft (25), a sliding block (32) is arranged on the sliding rail, and a wire control device (33) is fixedly arranged on the sliding block (32); the driving device (34) enables the sliding block (32) to reciprocate along the linear sliding rail (31) through lead screw transmission.
10. The field winding jig of a generator rotor as claimed in claim 9, wherein: the power device (27) is a hand wheel or a servo motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123034017.3U CN216625530U (en) | 2021-12-02 | 2021-12-02 | Excitation winding clamp of generator rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123034017.3U CN216625530U (en) | 2021-12-02 | 2021-12-02 | Excitation winding clamp of generator rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216625530U true CN216625530U (en) | 2022-05-27 |
Family
ID=81702302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123034017.3U Active CN216625530U (en) | 2021-12-02 | 2021-12-02 | Excitation winding clamp of generator rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216625530U (en) |
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2021
- 2021-12-02 CN CN202123034017.3U patent/CN216625530U/en active Active
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