CN216411356U - Wiring tool for rotor winding test - Google Patents
Wiring tool for rotor winding test Download PDFInfo
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- CN216411356U CN216411356U CN202122859262.1U CN202122859262U CN216411356U CN 216411356 U CN216411356 U CN 216411356U CN 202122859262 U CN202122859262 U CN 202122859262U CN 216411356 U CN216411356 U CN 216411356U
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- conducting rod
- rotor winding
- wiring tool
- rod
- rotor
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Abstract
The utility model discloses a wiring tool for a rotor winding test, which comprises a first conductive rod and a second conductive rod, wherein the first conductive rod is provided with a first end and a second end which are opposite to each other; in the above scheme, the first end and the rotor winding of first conducting rod are connected, and the second end insulation support of first conducting rod is in the rotor shaft to realize the fixed of first conducting rod, the both ends of second conducting rod are connected with first conducting rod and test circuit respectively, thereby realize rotor winding and test circuit's electric connection, under the condition of the position of the rotor of not adjusting generator, can test rotor winding, reduced the experimental degree of difficulty of preparing work of rotor winding.
Description
Technical Field
The utility model relates to the technical field of generator testing, in particular to a wiring tool for a rotor winding test.
Background
The center point of the rotor winding of the generator is located at the inner deep position of the rotor guard ring, and when the electrical test of the rotor of the generator is carried out, the direction of the rotor of the generator is often required to be adjusted by using a travelling crane, so that the center point position is searched so as to connect a test circuit, the conditions of complex operation, time and labor waste exist, and certain potential safety hazards are also provided.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a wiring tool for a rotor winding test, which aims to solve the technical problem that a lead test circuit is inconvenient when a rotor of a generator in the related art is subjected to an electrical test.
In order to solve the problems, the utility model adopts the following technical scheme:
the utility model discloses a wiring tool for a rotor winding test, which comprises a first conducting rod and a second conducting rod; wherein:
the first conducting rod is provided with a first end and a second end which are opposite to each other, the first end is used for being abutted against a rotor winding of a generator, the second conducting rod is connected between the first end and the second end, and the second end is supported on a rotor shaft of the generator in an insulating mode;
one end of the second conducting rod is connected with the first conducting rod, and the other end of the second conducting rod is used for being connected with a test circuit.
Further, the wiring tool further comprises an insulating sleeve connected to the second end of the first conductive rod.
Further, the insulating sleeve comprises a connecting portion and a supporting portion, the connecting portion is sleeved at the second end of the first conducting rod, and the supporting portion is abutted to the rotor shaft.
Further, the support portion has an arc-shaped concave surface for abutting against the rotor shaft.
Further, the insulating sleeve is a structural member made of a rubber material or a silica gel material.
Further, the second end of the first conductive rod is in threaded fit with the insulating sleeve.
Furthermore, a contact part is arranged at the first end of the first conducting rod, the contact part is provided with a convex cambered surface back to the second end, and the cambered surface is used for being abutted to the rotor winding.
Further, the contact portion is hemispherical.
Further, the first conducting rod and the second conducting rod are both structural members made of copper materials or aluminum materials.
Furthermore, one end, back to the first conducting rod, of the second conducting rod is provided with a limiting part, and in the axial direction of the second conducting rod, a jointing clamp connected with the test circuit is in limiting fit with the limiting part.
The technical scheme adopted by the utility model can achieve the following beneficial effects:
according to the wiring tool for the rotor winding test, disclosed by the embodiment of the utility model, the first end of the first conducting rod is connected with the rotor winding, the second end of the first conducting rod is supported on the rotor shaft in an insulating manner, so that the first conducting rod is fixed, and the two ends of the second conducting rod are respectively connected with the first conducting rod and the test circuit, so that the rotor winding is electrically connected with the test circuit, the rotor winding can be tested under the condition that the position of a rotor of a generator is not adjusted, and the difficulty of the preparation work of the rotor winding test is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a wiring tool for testing a rotor winding according to an embodiment of the present application;
FIG. 2 is a second schematic structural view of a wiring tool for testing a rotor winding according to an embodiment of the present invention;
FIG. 3 is a third schematic structural view of a wiring tool for testing a rotor winding according to an embodiment of the present invention;
in the figure:
100-a first conductive rod, 110-a contact;
200-a second conductive rod;
300-insulating sleeve, 310-connecting part, 320-supporting part.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
The following describes in detail the wiring tool for rotor winding test provided in the embodiments of the present application with reference to fig. 1 to 3 through specific embodiments and application scenarios thereof.
Referring to fig. 1, the embodiment of the present application discloses a wiring tool for testing a rotor winding, which can be used for electrically connecting a rotor winding of a generator with a test circuit, and the disclosed wiring tool comprises a first conducting rod 100 and a second conducting rod 200.
The first conductive rod 100 has a first end and a second end that are opposite to each other, the first end of the first conductive rod 100 is used for abutting against a rotor winding of a generator, the second end of the first conductive rod 100 is supported on a rotor shaft of the generator in an insulating manner, that is, two ends of the first conductive rod 100 abut against the rotor winding and the rotor shaft respectively, so that the first conductive rod 100 is fixed in use.
One end of the second conductive rod 200 is connected to the first conductive rod 100, and specifically, referring to fig. 1 to 3, one end of the second conductive rod 200 is connected to the middle of the first conductive rod 100, and the other end of the second conductive rod 200 is used for being connected to a test circuit, so as to electrically connect the rotor winding to the test circuit.
The utility model discloses a wiring instrument is used in rotor winding experiment, the first end and the rotor winding of first conducting rod 100 are connected, the second end insulation support of first conducting rod 100 is in the rotor shaft, thereby realize the fixed of first conducting rod 100, the both ends of second conducting rod 200 are connected with first conducting rod 100 and test circuit respectively, thereby realize rotor winding and test circuit's electric connection, under the condition of the position of the rotor of not adjusting generator, can test rotor winding, the degree of difficulty of the experimental preparation work of rotor winding has been reduced, time saving and labor saving's advantage has been had, the potential safety hazard of using the driving to adjust rotor position has been avoided simultaneously.
In the embodiment of the present application, the first conductive rod 100 has a conductive property, and in order to prevent the second end of the first conductive rod 100 from electrically contacting the rotor shaft, which affects the accuracy of the test, in a further technical solution, referring to fig. 2, the wiring tool further includes an insulating sleeve 300, the insulating sleeve 300 is connected to the second end of the first conductive rod 100, and thus when the first conductive rod 100 is supported on the rotor shaft, the insulating sleeve 300 contacts the rotor shaft.
Referring to fig. 3, the insulation cover 300 includes a connection portion 310 and a support portion 320, the connection portion 310 has a mounting hole, the connection portion 310 is sleeved at the second end of the first conductive rod 100 through the mounting hole, the support portion 320 abuts against the rotor shaft, and the support portion 320 has an arc-shaped concave surface for abutting against the rotor shaft.
Under such a configuration, under the condition that the second end of the first conductive rod 100 is supported by the rotor shaft, the concave surface of the supporting portion 320 is attached to the surface of the rotor shaft, so as to increase the contact area between the insulating sleeve 300 and the rotor shaft, improve the anti-slip effect of the insulating sleeve 300, avoid the situation that the first conductive rod 100 is supported by the circumferential surface of the rotor shaft and falls over or falls due to a small friction force, and improve the supporting stability of the first conductive rod 100.
In the above scheme, the insulating sleeve 300 is a structural member made of rubber material or silica gel material, and the rubber material or silica gel material and the like have elasticity, so that the friction coefficient between the insulating sleeve 300 and the rotor shaft can be obviously increased, the insulating sleeve 300 is not easy to slip, the supporting stability of the first conducting rod 100 is obviously improved, and the accuracy of the rotor test is ensured.
In a further technical solution, the mounting hole of the connecting portion 310 is a threaded hole, the second end of the first conductive rod 100 is provided with an external thread, the second end of the first conductive rod 100 is in threaded fit with the insulating sleeve 300, and the insulating sleeve 300 may be a structural member made of a plastic material.
Based on the above structure, when placing first conducting rod 100, can screw in first conducting rod 100 in the threaded hole of connecting portion 310 to first conducting rod 100 passes the clearance between rotor winding and the rotor shaft in order, after insulating cover 300 supported in the rotor shaft, can rotate first conducting rod 100 and make first end precession of first conducting rod 100 to the state with rotor winding looks butt, guarantee during the butt that second conducting rod 200 stretches out outside the rotor, during the dismantlement, rotate first conducting rod 100, when there is the dismantlement clearance in first end and the rotor winding of first conducting rod 100, can take out the wiring instrument. With such arrangement, the wiring tool can be conveniently inserted into the gap between the rotor shaft and the rotor winding, and the stability of the two ends of the first conducting rod 100 respectively abutting against the rotor shaft and the rotor winding can be improved; meanwhile, uncertainty existing in a fastening mode that the two ends of the first conducting rod 100 are in sliding abutting connection can be avoided, and therefore accuracy of the test can be guaranteed.
When the wiring tool is installed to bring the first conductive rod 100 into contact with the rotor winding for conduction, the first end of the first conductive rod 100 may scratch the surface of the rotor winding. Based on this situation, in this application embodiment, the first end of the first conducting rod 100 is provided with the contact portion 110, the contact portion 110 has a convex arc surface facing away from the second end, and the arc surface is used for abutting against the rotor winding, so that with this arrangement, the contact portion 110 has the characteristics of being not sharp and sharp, and can effectively prevent the first conducting rod 100 from scratching the rotor winding in the placing process.
In an alternative embodiment, the contact portion 110 is a semi-sphere or a quasi-semi-sphere, which is convenient for manufacturing.
The first conductive rod 100 and the second conductive rod 200 are structural members made of conductive metal, and copper and aluminum have excellent conductive performance, and in the embodiment of the present invention, the first conductive rod 100 and the second conductive rod 200 are preferably structural members made of copper material or aluminum material.
The wiring tool of the embodiment of the application can be used for a TA255-46 type generator, at this time, the first conducting rod 100 and the second conducting rod 200 can be cylindrical rods respectively, wherein the length of the first conducting rod 100 can be 90 mm-100 mm, in the embodiment of the application, the second conducting rod 200 is vertically connected with the first conducting rod 100, the second conducting rod 200 divides the first conducting rod 100 into a first section and a second section, the first end is the end of the first section facing away from the second section, the second end is the end of the second section facing away from the first section, in the embodiment of the application, the ratio of the first section to the second section is 1.3-2.0; under such setting, can make the first end of first conducting rod 100 and rotor winding electric conduction, can avoid second conducting rod 200 to take place electrical contact with other spare parts of generator in the process of drawing forth again to guarantee experimental accuracy.
In a further technical solution, the diameter of the first section of the first conducting rod 100 is smaller than the diameter of the second section of the first conducting rod 100, the second section is used as a bearing foundation of the first section, and the diameter of the second section is larger than the diameter of the first section, so that the stability of the first conducting rod 100 supported on the rotor shaft can be increased.
The length of the second conductive rod 200 is at least 80mm, and the length of the second conductive rod 200 is preferably 120 mm-150 mm, so that the second conductive rod 200 can be smoothly led out.
When the second conductive rod 200 is connected to the test circuit, the test circuit is usually clamped on the second conductive rod 200 by a clamp, and the clamp is easily slipped off from the second conductive rod 200. Based on this situation, in the embodiment of the present application, the second conductive rod 200 is provided with a position-limiting portion at an end facing away from the first conductive rod 100, and the position-limiting portion can prevent the wire holder from sliding off the second conductive rod 200.
In an alternative embodiment, the limiting portion is a nut that is screwed onto the second conductive rod 200, and the nut limits the jointing clamp to prevent the jointing clamp from sliding off the second conductive rod 200.
Of course, in the embodiment of the present application, the second conductive rod 200 may be further provided with a terminal, and a lead of the test circuit may be connected to the terminal. Specifically, the second conducting rod 200 is provided with a threaded hole at an end facing away from the first conducting rod 100, the terminal may be a bolt, and after a conducting wire connected to the test circuit is wound around the bolt, the bolt is in threaded fit with the threaded hole of the second conducting rod 200, so that the second conducting rod 200 is electrically connected to the test circuit.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention.
Claims (10)
1. A wiring tool for a rotor winding test is characterized by comprising a first conducting rod (100) and a second conducting rod (200); wherein:
the first conducting rod (100) is provided with a first end and a second end which are opposite, the first end is used for abutting against a rotor winding of a generator, and the second end is supported on a rotor shaft of the generator in an insulating mode;
one end of the second conducting rod (200) is connected with the first conducting rod (100), the second conducting rod (200) is connected between the first end and the second end, and the other end of the second conducting rod (200) is used for being connected with a test circuit.
2. The wiring tool for the rotor winding test according to claim 1, further comprising an insulating sleeve (300), wherein the insulating sleeve (300) is connected to the second end of the first conductive rod (100).
3. The wiring tool for the rotor winding test according to claim 2, wherein the insulation sleeve (300) comprises a connecting portion (310) and a supporting portion (320), the connecting portion (310) is sleeved on the second end of the first conductive rod (100), and the supporting portion (320) is abutted against the rotor shaft.
4. The wiring tool for rotor winding test according to claim 3, wherein the support portion (320) has an arc-shaped concave surface for abutting with the rotor shaft.
5. The wiring tool for the rotor winding test according to claim 2, wherein the insulating sleeve (300) is a structural member made of a rubber material or a silicone material.
6. The wiring tool for the rotor winding test according to any one of claims 2 to 4, wherein the second end of the first conductive rod (100) is screw-fitted to the insulating sleeve (300).
7. The wiring tool for the rotor winding test according to claim 1, wherein the first end of the first conducting rod (100) is provided with a contact portion (110), the contact portion (110) has a convex arc surface facing away from the second end, and the arc surface is used for abutting against the rotor winding.
8. The wiring tool for rotor winding test according to claim 7, characterized in that the contact portion (110) is a hemisphere shape.
9. The wiring tool for the rotor winding test according to claim 1, wherein the first conductor bar (100) and the second conductor bar (200) are both structural members made of a copper material or an aluminum material.
10. The wiring tool for the rotor winding test is characterized in that one end of the second conducting rod (200) facing away from the first conducting rod (100) is provided with a limiting part, and a wiring clamp for connecting a test circuit is in limiting fit with the limiting part in the axial direction of the second conducting rod (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122859262.1U CN216411356U (en) | 2021-11-19 | 2021-11-19 | Wiring tool for rotor winding test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122859262.1U CN216411356U (en) | 2021-11-19 | 2021-11-19 | Wiring tool for rotor winding test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216411356U true CN216411356U (en) | 2022-04-29 |
Family
ID=81302371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122859262.1U Active CN216411356U (en) | 2021-11-19 | 2021-11-19 | Wiring tool for rotor winding test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216411356U (en) |
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2021
- 2021-11-19 CN CN202122859262.1U patent/CN216411356U/en active Active
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