CN213279425U - AC brushless exciter rectifier mounting structure - Google Patents
AC brushless exciter rectifier mounting structure Download PDFInfo
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- CN213279425U CN213279425U CN202022511863.9U CN202022511863U CN213279425U CN 213279425 U CN213279425 U CN 213279425U CN 202022511863 U CN202022511863 U CN 202022511863U CN 213279425 U CN213279425 U CN 213279425U
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- fixed
- radiator
- rectifier tube
- rectifier
- outer radiator
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Abstract
The utility model discloses an exchange brushless exciter rectifier mounting structure, including the rectifying disc, the inboard lower extreme of rectifying disc is fixed with outer radiator, outer radiator below is fixed with the rectifier tube, be fixed with belleville spring between rectifier tube and the outer radiator, be provided with the red copper skin between belleville spring upper end and the outer radiator, the rectifier tube lower extreme is fixed with interior radiator, interior radiator lower extreme is fixed with the fuse, the fuse lower extreme is fixed with electrically conductive row. One end of the utility model adopts the elastic contact surface to replace the original two ends which are all rigid contact surfaces, which is more reasonable; the manufacturing cost is reduced, the installation and adjustment are convenient, and the reliability of the rectifier tube is improved; the original structure is changed into a spring pressing mode by pressing the bolt to contact the rectifier tube with the inner radiator and the outer radiator, so that the overhigh acting force on the rectifier tube is effectively unloaded, and the service life and the reliability of the rectifier tube are improved.
Description
Technical Field
The utility model relates to a brushless exciter makes technical field, especially relates to an exchange brushless exciter rectifier mounting structure.
Background
The rated rotation speed of the alternating current brushless exciter is 3000r/min mostly, and the test rotation speed is 3600 r/min. The structure for placing the rectifier tube on the exciter rectifier disc assembly also has various forms. The rectifier tube is clamped with the outer radiator through the inner radiator and is positioned through the round boss on the inner radiator and the upper pin of the outer radiator. Because the rotating speed is higher, the centrifugal force generated by the self weight of the rectifier tube and the centrifugal force generated by the outer radiator, the inner radiator and the conductive bar are higher, so that the pressure borne by the rectifier tube is higher. The outer wall of the rectifier tube is made of ceramic materials, so that the outer wall of the rectifier tube is easy to damage, and the structure cannot prevent the influence of temperature stress on the rectifier tube.
The existing rectifier tube is easy to damage and difficult to assemble, because two end faces (positive and negative poles) of the rectifier tube are in rigid contact, the rectifier tube is required to bear higher pressure resistance, and because the contact surfaces of the two end faces of the rectifier tube and the inner radiator and the outer radiator are as large as possible, the requirements on the flatness and the surface parallelism of each part are higher, and the mounting structure of the alternating current brushless exciter rectifier is designed aiming at the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an exchange brushless exciter rectifier mounting structure possesses simple, the convenient advantage of installation, has solved the problem of the easy damage of rectifier tube.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an exchange brushless exciter rectifier mounting structure, includes the rectifying disc, the inboard lower extreme of rectifying disc is fixed with outer radiator, outer radiator below is fixed with the rectifier tube, be fixed with belleville spring between rectifier tube and the outer radiator, be provided with the copper sheet between belleville spring upper end and the outer radiator, the rectifier tube lower extreme is fixed with interior radiator, interior radiator lower extreme is fixed with the fuse, the fuse lower extreme is fixed with electrically conductive row.
Furthermore, be provided with the insulating piece between fairing and the outer radiator, outer radiator passes through the fix with screw at the fairing.
Further, the outer radiator and the inner radiator are fixed through bolts, each bolt comprises a screw, an insulating nut and a nut, the insulating nut is fixed on the outer radiator through external threads, the nut is fixed in the insulating nut, and the screw penetrates through the inner radiator and is fixed with the nut.
Furthermore, the insulating nut is an annular hollow outer nut.
Furthermore, a fixing hole is formed in the center of the disc spring.
Compared with the prior art, the utility model beneficial effect who has is:
1. it is more reasonable that one end adopts an elastic contact surface to replace the original two ends which are both rigid contact surfaces; the manufacturing cost is reduced, the installation and adjustment are convenient, and the reliability of the rectifier tube is improved; the original structure is changed into a spring pressing mode by pressing the bolt to contact the rectifier tube with the inner radiator and the outer radiator, so that the overhigh acting force on the rectifier tube is effectively unloaded, and the service life and the reliability of the rectifier tube are improved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
fig. 1 is a partial structural schematic diagram of an ac brushless exciter rectifier mounting structure according to the present invention;
FIG. 2 is an enlarged view of a portion of area A;
fig. 3 is a schematic diagram of an alternative structure of an ac brushless exciter rectifier mounting structure according to the present invention;
FIG. 4 is an enlarged view of a portion of region B;
fig. 5 is a schematic structural view of a disc spring.
In the figure: 1-conducting bar, 2-fuse, 3-inner radiator, 4-rectifier tube, 5-disk spring, 6-outer radiator, 7-rectifier disk, 8-copper sheet, 9-insulating nut, 10-screw, 11-nut and 51-fixing hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, an ac brushless exciter rectifier mounting structure, includes commutator disk 7, 7 inboard lower extremes of commutator disk are fixed with outer radiator 6, 6 below of outer radiator are fixed with rectifier tube 4, be fixed with belleville spring 5 between rectifier tube and the outer radiator 6, be provided with red copper sheet 8 between belleville spring 5 upper end and the outer radiator 6, 4 lower extremes of commutator tube are fixed with interior radiator 3, 3 lower extremes of interior radiator are fixed with fuse 2, 2 lower extremes of fuse are fixed with electrically conductive row 1.
An insulating sheet is arranged between the rectifying disc 7 and the outer radiator 6, and the outer radiator 6 is fixed on the rectifying disc 7 through screws.
The outer radiator 6 and the inner radiator 3 are fixed through bolts, each bolt comprises a screw 10, an insulating nut 9 and a nut 11, the insulating nut 9 is fixed on the outer radiator 6 through external threads, the nut 11 is fixed in the insulating nut 9, and the screw 10 penetrates through the inner radiator 3 and is fixed with the nut 11.
The insulating nut 9 is an annular hollow outer nut.
The center of the disc spring 5 is provided with a fixed hole 51.
When in use, one end of the elastic contact surface is more reasonable to replace the original rigid contact surfaces at the two ends; the manufacturing cost is reduced, the installation and adjustment are convenient, and the reliability of the rectifier tube is improved; the original structure is changed into a spring pressing mode by pressing the bolt to contact the rectifier tube with the inner radiator and the outer radiator, so that the overhigh acting force on the rectifier tube is effectively unloaded, and the service life and the reliability of the rectifier tube are improved.
Meanwhile, the elasticity of the spring is indirectly adjusted by adjusting the number of the red copper plates at the bottom of the spring, so that the adjustment is convenient and the installation is easy.
The details of the present invention are well known to those skilled in the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an exchange brushless exciter rectifier mounting structure, its characterized in that includes rectifying disc (7), rectifying disc (7) inboard lower extreme is fixed with outer radiator (6), outer radiator (6) below is fixed with rectifier tube (4), be fixed with belleville spring (5) between rectifier tube and outer radiator (6), be provided with red copper skin (8) between belleville spring (5) upper end and outer radiator (6), rectifier tube (4) lower extreme is fixed with inner radiator (3), inner radiator (3) lower extreme is fixed with fuse (2), fuse (2) lower extreme is fixed with electrically conductive row (1).
2. An ac brushless exciter rectifier mounting structure as claimed in claim 1, wherein: be provided with the insulating piece between commutator disk (7) and outer radiator (6), outer radiator (6) are through the fix with screw in commutator disk (7).
3. An ac brushless exciter rectifier mounting structure as claimed in claim 1, wherein: the outer radiator (6) and the inner radiator (3) are fixed through bolts, the bolts comprise screws (10), insulating nuts (9) and nuts (11), the insulating nuts (9) are fixed on the outer radiator (6) through external threads, the nuts (11) are fixed in the insulating nuts (9), and the screws (10) penetrate through the inner radiator (3) and are fixed with the nuts (11).
4. An ac brushless exciter rectifier mounting structure as claimed in claim 3, wherein: the insulating nut (9) is an annular hollow outer nut.
5. An ac brushless exciter rectifier mounting structure as claimed in claim 1, wherein: the center of the disc spring (5) is provided with a fixed hole (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022511863.9U CN213279425U (en) | 2020-11-03 | 2020-11-03 | AC brushless exciter rectifier mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022511863.9U CN213279425U (en) | 2020-11-03 | 2020-11-03 | AC brushless exciter rectifier mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213279425U true CN213279425U (en) | 2021-05-25 |
Family
ID=75952222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022511863.9U Active CN213279425U (en) | 2020-11-03 | 2020-11-03 | AC brushless exciter rectifier mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213279425U (en) |
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2020
- 2020-11-03 CN CN202022511863.9U patent/CN213279425U/en active Active
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