CN109167460B - Brush holder assembly device and method for alternating current brush excitation motor - Google Patents
Brush holder assembly device and method for alternating current brush excitation motor Download PDFInfo
- Publication number
- CN109167460B CN109167460B CN201811277963.0A CN201811277963A CN109167460B CN 109167460 B CN109167460 B CN 109167460B CN 201811277963 A CN201811277963 A CN 201811277963A CN 109167460 B CN109167460 B CN 109167460B
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- CN
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- Prior art keywords
- brush
- support
- seat
- brush holder
- claw
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/14—Means for supporting or protecting brushes or brush holders
- H02K5/143—Means for supporting or protecting brushes or brush holders for cooperation with commutators
- H02K5/145—Fixedly supported brushes or brush holders, e.g. leaf or leaf-mounted brushes
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/14—Casings; Enclosures; Supports
Abstract
The invention discloses an assembly device and an assembly method of a brush holder of an alternating current brush excitation motor, wherein the assembly device comprises a support, a claw ruler arranged on the support and a support plate arranged on the claw ruler and used for supporting the brush holder to be connected, the upper surface of the support plate is parallel to the upper surface of the support, and the upper surface of the support plate is perpendicular to the claw ruler; the brush rod is assembled on the connecting line fixing seat, the brush seat is arranged on the connecting line of the brush frame, the brush rod is pressed on the brush seat by the brush rod pressing plate, and the brush rod pressing plate is fixed with the brush seat by bolts to realize the assembly of the brush rod and the brush seat. The beneficial effects of the invention are as follows: the invention can improve the position precision of the wire connection fixing seat and the brush frame wire connection, reduce the time of positioning and adjusting the wire connection fixing seat and the brush frame wire connection, and improve the position precision and the assembly precision of the brush rod when the brush rod is installed, thereby being convenient for aligning the brush rod with the end cover and accurately assembling.
Description
Technical Field
The invention relates to the technical field of motor brush holders, in particular to an assembly device and an assembly method of an alternating current brush excitation motor brush holder.
Background
The brush holder of the motor is used for applying pressure to the carbon brush which is in sliding contact with the surface of the commutator or the collector ring through the spring, so that the brush holder can stably conduct current between the fixed body and the rotating body. Both the brush holder and the carbon brush are very important components for the motor. No matter how good the characteristics of the carbon brush are, when the brush holder is unsuitable, the carbon brush cannot fully exert its excellent characteristics, and can bring about great influence on the performance and service life of the motor itself.
As shown in fig. 2, the brush holder is assembled to the end cap. The positions of the two screw holes used for fixing the wire connecting fixing seat on the end cover are controlled by the ideal angle sizes of 35 degrees and 45 degrees and the ideal radius size R275 mm. The positions of the 4 phi 9mm holes for connecting the brush holder connecting wire and the brush seat in the brush holder connecting wire are controlled by the angle sizes of 20 degrees and 30 degrees, the radius size R270.5mm and the circumferential size of 30+/-0.2 mm. However, the positions of the two through holes for fixing the brush rod assembly in the wiring fixing seat are controlled by the ideal angle size of 50 degrees and the ideal radius size of R270.5 mm.
When the brush holder is mounted on the end cover after the brush holder assembly is completed, due to errors such as machining errors, manual errors, assembly errors and the like, in order to maintain the position accuracy of the brush holder and the carbon brush and the position accuracy of the brush holder and the commutator or the collector ring, it is difficult to ensure the position accuracy of the brush holder and the end cover, and thus it is difficult to assemble the brush holder to the end cover. Therefore, the assembly can be completed through multiple times of adjustment, which leads to the increase of labor intensity and production period.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the brush holder assembly device and the assembly method for the alternating current brush excitation motor, which reduce the error sum, reduce the difficulty of assembling the brush holder onto the end cover and improve the assembly efficiency.
The invention solves the problems by adopting the following technical scheme: the brush holder comprises a wire connection fixing seat, a brush rod arranged on the wire connection fixing seat and a brush holder arranged on the brush rod, and comprises a support seat for supporting the wire connection fixing seat, a plurality of claw rulers arranged on the support seat and a supporting plate arranged on the claw rulers and used for supporting the wire connection of the brush holder, wherein the upper surface of the supporting plate is parallel to the upper surface of the support seat, and the upper surface of the supporting plate is perpendicular to the claw rulers.
Further, in order to better realize the invention, the claw rulers are distributed on the support in a ring shape.
Further, in order to better realize the invention, the support is provided with a through hole coaxial with the ring shape, and the support is provided with a plurality of brackets for supporting the support.
Further, in order to better realize the invention, the support is provided with a fixing screw for fixing the wire connecting fixing seat.
A brush holder assembly method for AC brush exciting motor uses multiple parallel supporting surfaces to support the wire connection fixing seat and the brush holder wire connection in turn from bottom to top, assembles the brush rod on the wire connection fixing seat, installs the brush holder on the brush holder wire connection, then uses the brush rod pressing plate to press the brush rod on the brush holder, and uses the bolt to fix the brush rod pressing plate and the brush holder to realize the assembly of the brush rod and the brush holder.
Further, in order to better realize the invention, the upper surface of the support is used for supporting the wire connecting fixing seat, the claw ruler with the support plate is arranged on the support, and the support plate is used for supporting the brush frame wire connecting, so that the upper surface of the support is parallel to the upper surface of the support plate.
Further, in order to better realize the invention, the claw ruler is used as a reference standard for aligning the wire connecting fixing seat and the brush seat in the vertical direction.
Further, in order to better realize the invention, the wire connecting fixing seat is fixed on the support by using the fixing screw.
Further, in order to better realize the invention, the claw ruler is provided with a plurality of claw rulers which are annularly arranged on the support, so that the brush rod corresponds to the installation positions on the end cover for assembling the brush rod one by one.
Further, in order to better realize the invention, the support is provided with a through hole coaxial with the ring shape, and a plurality of brackets for supporting the support are arranged on the support.
The beneficial effects that this scheme obtained are:
(1) When the brush rod is assembled, the support is used for supporting the wire connecting fixing seat and the support plate is used for supporting the brush frame wire connecting, so that the position accuracy of the wire connecting fixing seat and the brush frame wire connecting can be improved, the quick positioning is realized, the time for positioning and adjusting the wire connecting fixing seat and the brush frame wire connecting can be reduced, the positioning efficiency can be improved, and the position accuracy and the assembly accuracy of the brush rod can be improved when the brush rod is installed, so that the brush rod and the end cover can be aligned and accurately assembled;
(2) The claw ruler is distributed in an annular mode, and when the brush frames are assembled, the brush frames can be distributed in an annular mode, so that the plurality of brush frames can be aligned to the end cover at the same time, and adjustment time is shortened;
(3) The operating space can be increased by providing the through hole and supporting the holder by the bracket.
Drawings
FIG. 1 is a schematic structural diagram of the present solution;
fig. 2 is a schematic view of the assembly of the end cap and brush holder.
Wherein: 1-support, 2-claw ruler, 3-support plate, 4-line connection fixing seat, 5-brush rod, 6-brush seat, 7-brush rod pressing plate, 8-brush frame line connection and 9-end cover.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but embodiments of the present invention are not limited thereto.
Example 1:
as shown in fig. 1, in this embodiment, an assembly device for a brush holder of an ac brush exciting motor, the brush holder includes a wire connection fixing seat 4, a brush rod 5 installed on the wire connection fixing seat 4, and a brush holder 6 installed on the brush rod 5, and includes a support 1 for supporting the wire connection fixing seat 4, a plurality of claw rulers 2 disposed on the support 1, and a support plate 3 disposed on the claw rulers 2 and used for supporting a wire connection 8 of the brush holder, the upper surface of the support plate 3 is parallel to the upper surface of the support 1, and the upper surface of the support plate 3 is perpendicular to the claw rulers 2. In this embodiment, the supporting plate 3 and the claw ruler 2 are integrally formed, that is, the supporting plate 3 and the claw ruler 2 are integrated, and the position accuracy of the supporting plate 3 and the claw ruler 2 is ensured through processing, so that error accumulation is reduced.
The brush rod 5 is assembled on the connecting line fixing seat 4, the brush holder 6 is installed on the brush holder connecting line 8, the brush rod 5 is pressed on the brush holder 6 by the brush rod pressing plate 7, and the brush rod pressing plate 7 and the brush holder 6 are fixed by bolts to realize the assembly of the brush rod 5 and the brush holder 6.
The support 1 is utilized to support the wire connecting fixing seat 4, the support plate 3 is utilized to support the brush holder wire connecting 8, and the upper surface of the support plate 3 is parallel to the upper surface of the support 1, so that the parallelism between the wire connecting fixing seat 4 and the brush holder wire connecting 8 can be ensured, and the perpendicularity between the brush rod 5 and the wire connecting fixing seat 4 and the perpendicularity between the brush rod 5 and the brush holder wire connecting 8 can be simultaneously ensured when the brush rod 5 is installed. The parallel planes are used for supporting the wiring fixing seat 4 and the brush holder wiring 8, so that the use of positioning pieces can be reduced, the time required for positioning is shortened, the steps of manual operation are reduced, and error accumulation is reduced, thereby reducing errors caused by assembly of the brush holder.
In this embodiment, the number of the support plates 3 is set according to the number of the brush holder wires 8, and two support plates are generally provided. The supporting plate 3 and the claw ruler 2 form an E type or an F type, the claw ruler 2 is connected with the support 1, and the connection mode adopts detachable connection such as threaded connection, shaft and hole matching connection or welding. The supporting plate 3 and the claw ruler 2 can also be connected in a detachable connection mode, or integrally formed or welded. In order to meet the size requirement that the brush holder connecting wires 8 of different brush holders have different distances, the supporting plate 3 can be arranged on the claw ruler 2 in a sliding connection mode.
Example 2:
on the basis of the above embodiment, in this embodiment, the claw ruler 2 is distributed on the support 1 in a ring shape. By providing a plurality of claw rulers 2, a plurality of brush holders can be assembled according to the positions of the claw rulers 2. The claw ruler 2 is distributed in a ring shape, the assembled brush frames are distributed in a ring shape, the positions of the claw ruler 2 are designed according to the installation positions on the end covers, the brush frames are in one-to-one correspondence with the installation positions on the end covers, after the brush frames are assembled completely, the installation positions on the end covers are aligned with the brush frames, and a plurality of brush frames can be installed on the end covers quickly. In this embodiment, the positioning hole originally located on the end cover is provided on the support 1, that is, the position of the positioning hole of the end cover is simulated, so that the position relationship between the wire connecting fixing seat and the end cover is simulated, and the whole brush holder is assembled and assembled on the end cover.
In this embodiment, other undescribed matters are the same as those of the above embodiment, so they will not be repeated.
Example 3:
on the basis of the above embodiment, in this embodiment, the support 1 is provided with a through hole coaxial with the ring, and the support 1 is provided with a plurality of brackets for supporting the support 1. The support 1 is lifted by the support, so that the operation space is increased, an operator can operate the brush holder from the bottom and the inside of the support 1, and the brush holder is more convenient to assemble. And the whole quality of the device can be lightened, so that the transportation difficulty is reduced. The bracket adopts round steel or supporting blocks. The number of the through holes is three, and the through holes are uniformly distributed in a ring shape by taking the axis of the through holes as the axis.
In this embodiment, other undescribed matters are the same as those of the above embodiment, so they will not be repeated.
Example 4:
on the basis of the above embodiment, the support 1 is provided with a fixing screw for fixing the wire connection fixing seat 4. The wire connection fixing base 4 is clamped by the fixing screw to prevent the position of the wire connection fixing base 4 from changing during assembly to damage the position accuracy of the wire connection fixing base 4. Screw holes for mounting the set screws may also be used as lifting holes to facilitate the transport of the whole device.
The foregoing description of the preferred embodiment of the invention is not intended to limit the invention in any way, but rather to limit the scope of the invention.
Claims (10)
1. The utility model provides an exchange brush excitation motor brush yoke assembly quality which characterized in that: including support (1) that are used for supporting line fixing base (4), a plurality of claw chi (2) that set up on support (1) and set up on claw chi (2) and be used for supporting backup pad (3) of brush yoke line (8), the upper surface of backup pad (3) be parallel with the upper surface of support (1), the upper surface of backup pad (3) perpendicular with claw chi (2).
2. The brush holder assembly of an ac brushed excitation motor of claim 1, wherein: the claw rulers (2) are annularly distributed on the support (1).
3. The brush holder assembly of an ac brushed excitation motor of claim 2, wherein: the support (1) is provided with a through hole coaxial with the ring, and the support (1) is provided with a plurality of brackets for supporting the support (1).
4. The brush holder assembly of an ac brushed excitation motor of claim 1, wherein: the support (1) is provided with a fixing screw for fixing the wire connecting fixing seat (4).
5. A brush holder assembly method for an ac brushed excitation motor, characterized in that it is based on any one of claims 1-4, comprising: the brush rod (5) is assembled on the wire connecting fixing seat (4), the brush seat (6) is arranged on the brush frame wire connecting seat (8), the brush rod (5) is pressed on the brush seat (6) by the brush rod pressing plate (7), and the brush rod pressing plate (7) and the brush seat (6) are fixed by bolts to realize the assembly of the brush rod (5) and the brush seat (6).
6. The method for assembling the brush holder of the alternating current brush-excited machine according to claim 5, wherein the method comprises the steps of: the upper surface of the support (1) is used for supporting the line connecting fixing seat (4), the claw ruler (2) with the support plate (3) is arranged on the support (1), and the support plate (3) is used for supporting the brush carrier line connecting (8) so that the upper surface of the support (1) is parallel to the upper surface of the support plate (3).
7. The method for assembling the brush holder of the alternating current brush-excited machine according to claim 6, wherein: the claw ruler (2) is used as a reference standard for aligning the wire connecting fixing seat (4) and the brush frame wire connecting (8) in the vertical direction.
8. The method for assembling the brush holder of the alternating current brush-excited machine according to claim 6, wherein: the wire connecting fixing seat (4) is fixed on the support (1) by using a fixing screw.
9. The method for assembling the brush holder of the alternating current brush-excited machine according to claim 6, wherein: the claw ruler (2) is provided with a plurality of mounting positions which are annularly arranged on the support (1) and enable the brush rod (5) to correspond to the mounting positions on the end cover for assembling the brush rod (5) one by one.
10. The method for assembling the brush holder of the alternating current brush-excited machine according to claim 9, wherein: the support (1) is provided with a through hole coaxial with the ring shape, and the support (1) is provided with a plurality of brackets for supporting the support (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811277963.0A CN109167460B (en) | 2018-10-30 | 2018-10-30 | Brush holder assembly device and method for alternating current brush excitation motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811277963.0A CN109167460B (en) | 2018-10-30 | 2018-10-30 | Brush holder assembly device and method for alternating current brush excitation motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109167460A CN109167460A (en) | 2019-01-08 |
| CN109167460B true CN109167460B (en) | 2023-10-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811277963.0A Active CN109167460B (en) | 2018-10-30 | 2018-10-30 | Brush holder assembly device and method for alternating current brush excitation motor |
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| Country | Link |
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| CN (1) | CN109167460B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT522206B1 (en) * | 2019-02-20 | 2022-02-15 | Miba Emobility Gmbh | Process for providing shaped rods from an electrical conductor wire and corresponding shaped rods |
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| CN109167460A (en) | 2019-01-08 |
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