CN207009860U - A kind of copper aluminium commutator segment and include its commutator - Google Patents
A kind of copper aluminium commutator segment and include its commutator Download PDFInfo
- Publication number
- CN207009860U CN207009860U CN201720776291.2U CN201720776291U CN207009860U CN 207009860 U CN207009860 U CN 207009860U CN 201720776291 U CN201720776291 U CN 201720776291U CN 207009860 U CN207009860 U CN 207009860U
- Authority
- CN
- China
- Prior art keywords
- commutator
- copper aluminium
- commutator segment
- active section
- pin
- Prior art date
- 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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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 43
- 239000010949 copper Substances 0.000 title claims abstract description 43
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 39
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 239000004411 aluminium Substances 0.000 title claims abstract description 33
- 238000002513 implantation Methods 0.000 claims abstract description 30
- 229920001342 Bakelite® Polymers 0.000 claims abstract description 7
- 239000004637 bakelite Substances 0.000 claims abstract description 7
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 3
- 230000003137 locomotive effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006056 electrooxidation reaction Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Motor Or Generator Current Collectors (AREA)
Abstract
The utility model discloses a kind of copper aluminium commutator segment, including with the active section of brush contact and the implantation pin being fixed in bakelite main body, it is characterised in that：The implantation pin of the commutator segment is made up of the aluminum being close with the coefficient of expansion and copper so that commutation tablet quality is lighter, and cost is smaller.The invention also discloses the copper aluminium commutator comprising above-mentioned copper aluminium commutator segment.Due to the centrifugal force relation directly proportional to quality, using above-mentioned copper aluminium commutator segment so that the load of commutator diminishes, and the mechanical performance of such commutator is improved, and can design higher rotating speed to meet the requirement of high-speed electric expreess locomotive.The utility model is compared to the commutator of prior art, and cost is low, light weight, good mechanical property.
Description
Technical field
It the utility model is related to commutator topology field, and in particular to a kind of commutator segment for being used to make commutator.
Background technology
Commutator is one of part of direct current generator most critical, and its effect in direct current generator is motor is continued
Rotate.According to the structure of commutator, commutator is generally divided into three kinds of hook-type commutator, flute profile commutator and end commutator.Change
It is an important consideration index of commutator to the mechanical performance of device, is increase commutator mechanical performance by reducing centrifugal force
Important means.Because centrifugal force is proportional with quality, quality is bigger, then centrifugal force is bigger, and commutator segment surface is in height
Surface segment difference will exceed the requirement of standard during speed operating, cause motor spark so as to influence the life-span of motor.
Traditional flute profile commutator generally comprises multiple commutator segments that are circumferentially disposed and surrounding ring-type, commutator segment by
Copper product is made.Although the electric conductivity of copper is preferable, its density is big, and in the case of same volume, quality is big, and centrifugal force is big, with this
Material makes commutator, it is difficult to further improve the mechanical performance of commutator, in addition, copper product price is of a relatively high, fine copper changes
It is high to piece cost, cause production cost high.
Therefore, a kind of electric conductivity is preferable, lighter weight, and lower-cost bimetal commutator bar urgently proposes.
Utility model content
The purpose of this utility model is to provide a kind of copper aluminium commutation for increasing commutator mechanical performance and reducing production cost
Piece.
To reach above-mentioned purpose, the technical solution of the utility model is as follows：A kind of copper aluminium commutator segment includes and brush contact
Active section and the implantation pin that is fixed in bakelite main body, it is characterised in that：What the active section was made of copper, the plant
It is made of aluminum to enter pin, the active section is fixedly connected with the implantation pin, the contact surface of the active section and the implantation pin
Anticreep joint portion is set.
Copper aluminium commutator segment provided in the utility model, the implantation pin of the commutator segment with the coefficient of expansion and copper by connecting
Near aluminum is made so that and commutation tablet quality is lighter, and cost is smaller, simultaneously because the relation that centrifugal force is directly proportional to quality,
So that the load of commutator diminishes, the mechanical performance of such commutator is improved, and can design higher rotating speed to meet height
The requirement of speed motor.
Anticreep joint portion is set in the contact surface of the metal of copper aluminium two, fortune dress produces huge centrifugal force situation at a high speed in motor
Under, effectively prevent commutator segment two parts from separating.
On the basis of above-mentioned technical proposal, following improvement can be done：
As preferable scheme, the cross section of the anticreep joint portion is T-shaped, including the T-shaped groove on the active section
With the T-shaped projection on the implantation pin.
As preferable scheme, the cross section of the anticreep joint portion is in falling in del, including the active section
Del projection on triangular groove and the implantation pin.
Using above-mentioned preferred scheme, increase active section and the combination degree being implanted between pin, fortune dress produces at a high speed in motor
In the case of huge centrifugal force, effectively prevent the separation of commutator segment two parts from flying out, above two anticreep joint portion is simple in construction, is easy to
Processing.
As preferable scheme, the cross-sectional area of commutator segment is designed as I-shaped, and active section is sector, active section and electricity
The outer surface of brush contact is arc.
Using above-mentioned preferred scheme, it is easy to multiple commutator segments circumferentially to enclose and circularizes commutator.
As preferable scheme, the junction anticorrosive coating of active section and implantation pin.
Using above-mentioned preferred scheme, prevent copper aluminium interface from electrochemical corrosion occurs.
As preferable scheme, the centre of implantation pin is provided with some hollow out die cavities along commutator segment short transverse.
As preferable scheme, the design of implantation sole end opens up at least two hook pin.
Using above-mentioned preferred scheme, in order to increase the combination degree between bakelite main body and commutator segment main body.
As preferable scheme, the outer surface of above-mentioned active section and brush contact coats wear-resistant conductive material.
Using above-mentioned preferred scheme, increase wear-resistant degree, improve service life.
A kind of copper aluminium commutator, it is characterised in that including above-described copper aluminium commutator segment.
Copper aluminium commutator of the present utility model is as a result of copper aluminium commutator segment of the present utility model, therefore, compared to existing
There is the commutator of technology, cost is low, light weight, good mechanical property.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of configuration schematic diagram of the commutator segment of embodiment of the utility model；
Fig. 2 is a kind of configuration schematic diagram of the commutator segment of embodiment of the utility model；
Fig. 3 is a kind of side view of the commutator segment of embodiment of the present utility model.
Wherein, 1. active section, 2. implantation pin, 3.T shapes joint portion, 4. del joint portions, 5. hollow out die cavities, 6. hooks
Pin.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail.
To reach the purpose of this utility model, as shown in Figure 1 to Figure 2, a kind of copper aluminium commutator segment includes and brush contact
Active section 1 and the implantation pin 2 being fixed in bakelite main body, it is characterised in that：What the active section 1 was made of copper, it is described
It is made of aluminum to be implanted into pin 2, the active section 1 is fixedly connected with the implantation pin 2, and the active section connects with the implantation pin
Contacting surface sets anticreep joint portion.
Copper aluminium commutator segment provided in the utility model, the implantation pin of the commutator segment with the coefficient of expansion and copper by connecting
Near aluminum is made so that and commutation tablet quality is lighter, and cost is smaller, simultaneously because the relation that centrifugal force is directly proportional to quality,
So that the load of commutator diminishes, the mechanical performance of such commutator is improved, and can design higher rotating speed to meet height
The requirement of speed motor.
Anticreep joint portion is set in the contact surface of the metal of copper aluminium two, fortune dress produces huge centrifugal force situation at a high speed in motor
Under, effectively prevent the active section 1 of commutator segment two and the implantation pin 2 to be partially separated and fly out.
Further optimize implementation result of the present utility model, in another embodiment of the present utility model, foregoing
On the basis of content, the cross section of the anticreep joint portion is T-shaped, referred to as T-shaped joint portion 3, and above-mentioned T-shaped joint portion includes work
The T-shaped projection on T-shaped groove and implantation pin in section.
Further optimize implementation result of the present utility model, in another embodiment of the present utility model, foregoing
On the basis of content, the cross section of the anticreep joint portion is in del, referred to as del joint portion 4, above-mentioned inverted triangle
Shape joint portion includes the del projection in inverted triangular-shaped grooves and implantation pin on active section.
Using above-mentioned preferred scheme, increase active section 1 and the combination degree being implanted between pin 2, in motor fortune dress production at a high speed
In the case of raw huge centrifugal force, effectively prevent the separation of commutator segment two parts from flying out, above two anticreep joint portion is simple in construction, just
In processing.
Further optimize implementation result of the present utility model, in another embodiment of the present utility model, foregoing
On the basis of content, the cross-sectional area of commutator segment is designed as I-shaped, and active section 1 is sector, active section 1 and brush contact
Outer surface is arc.
Using above-mentioned preferred scheme, it is easy to multiple commutator segments circumferentially to enclose and circularizes commutator.
Further optimize implementation result of the present utility model, in another embodiment of the present utility model, foregoing
On the basis of content, the junction anticorrosive coating of above-mentioned active section 1 and implantation pin 2.
Using above-mentioned preferred scheme, prevent copper aluminium interface from electrochemical corrosion occurs.
Further optimize implementation result of the present utility model, in another embodiment of the present utility model, foregoing
On the basis of content, as preferable scheme, the centre of implantation pin 2 is provided with some hollow out die cavities 5 along commutator segment short transverse.
Using above-mentioned preferred scheme, increase the combination degree between bakelite main body and commutator segment main body.
Further optimize implementation result of the present utility model, in another embodiment of the present utility model, foregoing
On the basis of content, the design of implantation pin 2 bottom also opens up at least two hook pin 6.
Using above-mentioned preferred scheme, also for the combination degree between increase bakelite main body and commutator segment main body.
Further optimize implementation result of the present utility model, in another embodiment of the present utility model, foregoing
On the basis of content, the outer surface of above-mentioned active section 1 and brush contact coats wear-resistant conductive material.
Using above-mentioned preferred scheme, increase wear-resistant degree, improve service life.
A kind of copper aluminium commutator, it is characterised in that including above-described copper aluminium commutator segment.
Copper aluminium commutator of the present utility model is as a result of copper aluminium commutator segment of the present utility model, therefore, compared to existing
There is the commutator of technology, cost is low, good mechanical property.
The utility model is only disclosed with preferred embodiment above, so itself and be not used to limit the utility model, all uses
The technical scheme that equivalent substitution or equivalent transformation mode are obtained, all falls within the scope of protection of the utility model.
Claims (9)
1. a kind of copper aluminium commutator segment, including with the active section of brush contact and the implantation pin being fixed in bakelite main body, its
It is characterised by, what the active section was made of copper, the implantation pin is made of aluminum, and the active section and the implantation pin are fixed
Connection, the contact surface of the active section and the implantation pin set anticreep joint portion.
2. copper aluminium commutator segment according to claim 1, it is characterised in that the cross section of the anticreep joint portion is T-shaped, bag
Include the T-shaped projection on the T-shaped groove and the implantation pin on the active section.
3. copper aluminium commutator segment according to claim 1, it is characterised in that the cross section of the anticreep joint portion is in inverted triangle
The del projection in inverted triangular-shaped grooves and the implantation pin in shape, including the active section.
4. copper aluminium commutator segment according to claim 1, it is characterised in that the active section for sector, the active section with
The outer surface edge of brush contact is arc.
5. copper aluminium commutator segment according to claim 4, it is characterised in that the junction of the active section and the implantation pin
Anticorrosive coating.
6. the copper aluminium commutator segment according to Claims 2 or 3, it is characterised in that the centre for being implanted into pin is provided with some edge commutations
The hollow out die cavity of piece short transverse.
7. copper aluminium commutator segment according to claim 1, it is characterised in that implantation sole end design opens up at least two
Hook pin above.
8. copper aluminium commutator segment according to claim 1, it is characterised in that the coating of the outer surface of active section and brush contact is resistance to
Wear conductive material.
9. a kind of copper aluminium commutator, it is characterised in that including the copper aluminium commutator segment described in claim any one of 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720776291.2U CN207009860U (en) | 2017-06-29 | 2017-06-29 | A kind of copper aluminium commutator segment and include its commutator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720776291.2U CN207009860U (en) | 2017-06-29 | 2017-06-29 | A kind of copper aluminium commutator segment and include its commutator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207009860U true CN207009860U (en) | 2018-02-13 |
Family
ID=61449250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720776291.2U Expired - Fee Related CN207009860U (en) | 2017-06-29 | 2017-06-29 | A kind of copper aluminium commutator segment and include its commutator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207009860U (en) |
-
2017
- 2017-06-29 CN CN201720776291.2U patent/CN207009860U/en not_active Expired - Fee Related
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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: 20180213 |