CN108418067A - A kind of no electric arc carbon brush stand manufacturing method of train motor - Google Patents
A kind of no electric arc carbon brush stand manufacturing method of train motor Download PDFInfo
- Publication number
- CN108418067A CN108418067A CN201810269945.1A CN201810269945A CN108418067A CN 108418067 A CN108418067 A CN 108418067A CN 201810269945 A CN201810269945 A CN 201810269945A CN 108418067 A CN108418067 A CN 108418067A
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- Prior art keywords
- brush holder
- brush
- electric arc
- carbon brush
- carbon
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/38—Brush holders
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Motor Or Generator Current Collectors (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The present invention is a kind of production method without electric arc brush holder for high ferro train motor, belongs to field of mechanical technique.Its brush holder manufacturing process includes material preparation, casting and forming, semifinishing, the processing of carbon brush hole forming, brush holder pretreatment, brush holder cathode electrophoretic coating, brush holder non-working surface spray is removed, brush holder finishing is molded, product inspection storage.It is the friction of metal and metal between traditional high ferro carbon brush for electric machine and brush holder, the present invention provides metals between a kind of carbon brush and brush holder and non-metallic friction technology and product, solves the technical barrier that train carbon brush for electric machine generates electric spark or electric arc with brush holder metal friction, avoid in train operation leads to the galvanic corrosion of frictional disk, carbon brush, brush holder because motor generates spark.Motor service life is extended, safe train operation reliability is improved.
Description
Technical field
The invention belongs to field of mechanical technique, it is related to a kind of train motor especially no electric arc carbon brush of high ferro train motor
Frame.The invention further relates to a kind of production methods of above-mentioned brush holder.
Background technology
Electric locomotive operation power comes from motor.Motor operation be motor by power grid electric energy by being mounted on motor casing
Brush holder and carbon brush be transferred to motor frictional disk, frictional disk is run with rotor synchronous rotary, is converted electrical energy by motor
At the kinetic energy that electric locomotive is run, train high-speed cruising is driven.
Carbon brush and brush holder are all two pieces copper products in traditional train motor, and production method prepares for material --- casting
Molding --- semifinishing --- the technical process such as product inspection storage that carbon brush hole forming is processed --- finishing molding ---.Work as train
Two copper product phase mutual friction when driving, when in friction process in case of dust or other impurities or specific environment are also easy to produce electric spark
Or electric arc, so that carbon brush or frictional disk is generated galvanic corrosion, reduce the service life of carbon brush or frictional disk, while increasing motor operation mistake
Insecurity in journey.
Invention content
The purpose of the present invention is in view of the foregoing drawbacks, providing a kind of train motor no electric arc carbon brush stand manufacturing method, solve
Certainly the technical issues of is electric arc, electric spark and the galvanic corrosion phenomenon for reducing carbon brush and the mutual friction of brush holder phase and generating, improve carbon brush with
The service life of brush holder and safety.
The purpose of the present invention can be achieved through the following technical solutions：A kind of high ferro train motor carbon brush holder, feature
It is to produce without arc procedure using nonmetallic spraying, the even application certain thickness on the friction pair faying face of brush holder and carbon brush
Nonmetallic materials, when eliminating train operation, it is difficult that carbon brush and brush holder phase mutual friction generate electric arc, electric spark and the technology of galvanic corrosion
Topic.
It is nonmetallic by being coated in the brush holder body opening in above-mentioned high ferro train motor with carbon brush holder with carbon brush frictional engagement face
Coating separates carbon brush and brush holder, avoids carbon brush and two metallic object direct friction of brush holder and generates electric arc or electric spark, from
And generate galvanic corrosion.
On the friction pair faying face of above-mentioned brush holder and carbon brush, the nonmetallic materials of even application can be polytetrafluoroethyl-ne
Alkene (PTFE) can also be the nonmetallic spraying substance such as other resin materials.
Can also be that brush holder body ontology covers entirely in the above-mentioned high ferro train motor nonmetallic coating of no electric arc brush holder
Lid.
In above-mentioned high ferro train motor with its thickness of the nonmetallic coating of no electric arc brush holder according to the brush of different model
Frame size carries out cathode electrophoretic coating or box spraying.
In the production method of the no electric arc carbon brush holder of above-mentioned high ferro train motor, that includes following making steps：
Step 1：Material prepares：Satisfactory copper alloy or other synthetic materials are put at stock.
Step 2：Casting and forming：Melting is carried out to the copper alloy in step 1, brush is cast by the mold of specific shape
Frame blank.
Step 3：Semifinishing：Progress blank processing half-formed to the brush holder arrived obtained in step 2 removes casting gate
Equal clouts.
Step 4：Carbon brush hole forming is processed：Smart machining is carried out to the brush holder obtained in step 3, acquisition meets drawing ruler
The hole of very little requirement.It includes three carbon brush holes 11,12,13, and the location hole 4,5,6 being also fixed on motor casing is connected with carbon brush
The hole 10 of the conductive hole 7,8,9 and ground wire that connect.
Step 5：Brush holder pre-processes：Surface impurity removal is carried out to the brush holder in step 4 after punching, obtains high ferro row
The no electric arc brush holder of vehicle motor.Surface preparation to metal material shows flatness mainly for improving it, improves entirety
Appearance, reach the condition of cathode electrophoretic coating.
Step 6：Brush holder cathode electrophoretic coating：Cathode electrophoretic coating is carried out with no electric arc brush holder to the high ferro train motor in step 5.
The step includes carrying out nonmetallic whole body spraying to brush holder, can also be in the brush holder body opening to carbon brush and brush holder frictional engagement face
Carry out nonmetallic spraying.High ferro train motor can be polytetrafluoroethylene (PTFE) (PTFE) with no nonmetallic coating of electric arc brush holder,
It can be the nonmetallic spraying substance such as other resin materials.It will be coated with non-gold in carbon brush and the brush holder body opening in brush holder frictional engagement face
Belong to coating, carbon brush and brush holder separated, avoids carbon brush and two metallic object direct friction of brush holder and generate electric arc or electric spark,
Generate galvanic corrosion.
Step 7：Brush holder non-working surface spray is removed:To the no electric arc of the high ferro train motor obtained in step 6
Brush holder carries out non-working surface spray removing, only keeps having nonmetallic coating on carbon brush and brush holder body rubbing surface.The non-work of brush holder
Make face spray to remove main purpose to be for conduction, nonmetallic coating is insulation, and brush holder outer layer needs conduction.
Step 8：Finishing molding：High ferro train motor obtained in step 7 is processed with no electric arc brush holder.
Step 9：Product inspection is put in storage：High ferro train motor obtained in step 8 has been carried out with no electric arc brush holder
Whole degree inspection, check and accepting storing.
In the no electric arc brush holder spraying process route of above-mentioned high ferro train motor, first by brush holder entirety cathode electrophoretic coating, then will
Brush holder non-model control working face spray removes, and only keeps having nonmetallic coating on carbon brush and brush holder body rubbing surface.
Compared with prior art, the present invention provides metal between a kind of carbon brush and brush holder and non-metallic friction technology and productions
Product solve the technical barrier that train carbon brush for electric machine generates electric spark or electric arc with brush holder metal friction, avoid train operation
It is middle to lead to the galvanic corrosion of frictional disk, carbon brush, brush holder because motor generates spark.Motor service life is extended, train peace is improved
Full operational reliability.
Present invention can apply to：The making without electric arc brush holder of high ferro train motor and all electric locomotive motors.
Description of the drawings
Fig. 1 is the vertical view of the present invention
Fig. 2 is the sectional view of the present invention
Specific implementation mode
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
Embodiment 1：
Such as Fig. 1, shown in 2, Fig. 1 is shown in vertical view of the train motor with no electric arc carbon brush holder, high in the present embodiment
Iron train motor is to maintain brush box part of the carbon brush on specified position with no electric arc carbon brush holder, with appropriate pressure push down carbon brush with
The pressurized part for preventing carbon brush from vibrating connects the frame part of brush box and pressurized part and brush holder is fixed to consolidating on motor
Fixed part forms.In the present invention train motor with no electric arc carbon brush holder as shown in Figure 1, the motor brush rocker includes brush holder ontology 1, brush
Frame ontology 1 is the hexagon shell of upper end opening, sets that there are three rectangle carbon brush mounting holes 11,12,13 in brush holder ontology 1.
Above-mentioned carbon brush mounting hole be rectangular opening, outside on one side with, at 120 degree of angles, excess-three side is at 90 jiaos in carbon brush hole.
Even application has nonmetallic materials on 11,12,13 inner wall of above-mentioned rectangle carbon brush hole, makes to produce between carbon brush 3 and brush holder 1
Raw rubbing surface become metal and it is nonmetallic between friction, when eliminating train operation, carbon brush 3 and brush holder 1 are because of two in motor
It plants the mutual friction of metallic object phase and generates electric arc, electric spark and galvanic corrosion.
Above-mentioned brush holder ontology 1 is made of copper alloy.
Center is provided with outwardly extending 6 dome-shapeds and 2 arches as shown in Figure 1 on 1 its side of above-mentioned brush holder ontology
Between an arc-shaped extended structure.Above-mentioned 6 circular arch form level device, and the circular arch shaped position of mounting hole is than conductive
The circular arch shaped position in hole is low.
The symmetrical mounting hole of above three is 4,5,6.
The symmetrical conductive hole of above three is 7,8,9.
Ground hole of the said one between mounting hole and conductive hole is 10, and same level is in conductive hole.
Brush holder 1 is fixed on motor housing by above-mentioned train motor with no electric arc carbon brush holder through hole 4,5,6, and carbon brush is made to have
One stable working environment.Be on ground hole 10 for train driving during safety.Then respectively by three-phase carbon brush
It is placed in above-mentioned rectangle carbon brush hole, carbon brush one end is fixed on 7,8,9 conductive hole, to conduct electric current.Consolidated with hole a
Determine spring, to apply pressure to carbon brush 3, carbon brush kept to be slidably contacted the surfaces with frictional disk, make its motor and frictional disk it
Between steadily conduct electric current, electric current is added to by carbon brush on the rotor of rotation, electricity is converted electrical energy by galvanomagnetic-effect
The kinetic energy of machine rotor operating, the operating for making train stablize.
Embodiment 2：
Such as Fig. 1, shown in 2, a kind of production method of the no electric arc carbon brush holder of train motor, which is characterized in that includes
Following making step：
Step 1：Material prepares：Satisfactory copper alloy or other synthetic materials are put at stock.
Step 2：Casting and forming：Melting is carried out to the copper alloy in step 1, brush is cast by the mold of specific shape
Frame blank.
Step 3：Semifinishing：Progress blank processing half-formed to the brush holder arrived obtained in step 2 removes casting gate
Equal clouts.
Step 4：Carbon brush hole forming is processed：Smart machining is carried out to the brush holder obtained in step 3, acquisition meets drawing ruler
The hole of very little requirement.It includes that three carbon brush holes 11,12,13 also have the location hole 4,5,6 being fixed on motor casing to be connected with carbon brush
The hole 10 of the conductive hole 7,8,9 and ground wire that connect.
Step 5：Brush holder pre-processes：Surface impurity removal is carried out to the brush holder in step 4 after punching, obtains high ferro row
The no electric arc brush holder of vehicle motor.Surface preparation to metal material shows flatness mainly for improving it, improves entirety
Appearance, reach the condition of cathode electrophoretic coating.
Step 6：Brush holder cathode electrophoretic coating：Cathode electrophoretic coating is carried out with no electric arc brush holder to the high ferro train motor in step 5.
The step includes carrying out nonmetallic whole body spraying to brush holder, can also be in the brush holder body opening to carbon brush and brush holder frictional engagement face
Carry out nonmetallic spraying.High ferro train motor can be polytetrafluoroethylene (PTFE) (PTFE) with no nonmetallic coating of electric arc brush holder,
It can be the nonmetallic spraying substance such as other resin materials.It will be coated with non-gold in carbon brush and the brush holder body opening in brush holder frictional engagement face
Belong to coating, carbon brush and brush holder separated, avoids carbon brush and two metallic object direct friction of brush holder and generate electric arc or electric spark,
Generate galvanic corrosion.
Step 7：Brush holder non-working surface spray is removed:To the no electric arc of the high ferro train motor obtained in step 6
Brush holder carries out non-working surface spray removing, only keeps having nonmetallic coating on carbon brush and brush holder body rubbing surface.The non-work of brush holder
Make face spray to remove main purpose to be for conduction, nonmetallic coating is insulation, and brush holder outer layer needs conduction.
Step 8：Finishing molding：High ferro train motor obtained in step 7 is processed with no electric arc brush holder.
Step 9：Product inspection is put in storage：High ferro train motor obtained in step 8 has been carried out with no electric arc brush holder
Whole degree inspection, check and accepting storing.
The effect of motor brush rocker 1 is that pressure is added in the carbon brush 3 slidably contacted the surfaces with frictional disk by the spring in through hole a
On, so that it is steadily conducted electric current between fixed body and rotary body.For motor, brush holder and carbon brush are all very important
Component.No matter the characteristic of carbon brush is how well, when brush holder is improper, carbon brush cannot not only give full play to its good characteristic, but also
Prodigious influence can be brought to the performance of motor itself and service life.And in by the brush holder body opening of carbon brush and brush holder frictional engagement face
It is coated with nonmetallic coating, carbon brush and brush holder are separated, carbon brush and two metallic object direct friction of brush holder is avoided and generates electric arc
Or electric spark and galvanic corrosion, also ensure that the safety of high ferro train driving.
Embodiment 3：
As shown in Fig. 2, Fig. 2 is the sectional view of the carbon brush holder of invention, and for the material and work involved in embodiment 2
Skill is explained further.A kind of spraying method of nonmetallic materials is provided in present embodiment.In the friction of brush holder and carbon brush
On secondary faying face, even application nonmetallic materials, when eliminating train operation, carbon brush generates electric arc, electricity with brush holder phase mutual friction
The technical barrier of spark and galvanic corrosion.
High ferro train motor can be polytetrafluoroethylene (PTFE) (PTFE) with no nonmetallic coating of electric arc brush holder, can also be it
The nonmetallic spraying substance such as his resin material.It is mainly excellent using it without electric arc brush holder that nonmetallic spraying substance is applied to manufacture
Dielectric properties, excellent dielectric properties are conducive to signal integrity and rapidly transmit.Poly- four can be not only used in the present invention
Vinyl fluoride can also use other resin materials that can also be sprayed, to ensure the safety during train driving.
The covering process of the no nonmetallic coating of electric arc brush holder of high ferro train motor can be electrophoresis process or box
The spraying covering process of electrostatic painting process or other forms.
The no electric arc brush holder spraying process route of high ferro train motor, first by brush holder entirety cathode electrophoretic coating, then brush holder is non-
Fricting working surface spray place to go only keeps having nonmetallic coating on carbon brush and brush holder body rubbing surface.High ferro train motor is used
Nonmetallic coating without electric arc brush holder can also be brush holder body ontology all standing.
What is illustrated is being manufactured according to the motor of different trains for the brush holder in the present invention, is not unalterable
, nonmetallic materials, non-metallic material most importantly are sprayed on the friction pair faying face between brush holder and carbon brush in the present invention
Material can be polytetrafluoroethylene (PTFE) (PTFE), can also be the nonmetallic spraying substance such as other resin materials.
Although it have been described that various embodiments incorporated herein, but those skilled in the art's generation can be to this
Further modification and adaptation are made in invention.It should however be appreciated that understanding, these modifications and adaptation are fallen
In the spirit and scope of the present invention.
Claims (10)
1. a kind of high ferro train motor is with carbon brush holder (1), it is characterised in that the first hole (4), the second hole (5), third hole (6) are solid
Dingan County loaded on motor case, on brush holder body setting there are three rectangular opening (11) (12) (13), on the outside of rectangular opening one jiao at
120 degree of angle, for installing carbon brush (3), carbon brush (3) keeps equal with motor frictional disk in carbon skeleton hole (11) (12) (13)
Speed friction, mutual fricting movement is also remained between carbon brush (3) and brush holder (1)；In three rectangle carbon brush holes of brush holder (1)
(11) nonmetallic materials are coated on (12) (13) inner wall, make the friction generated between carbon brush (3) and brush holder (1) become metal with
Friction between nonmetallic.
2. the production method of the no electric arc carbon brush holder of a kind of high ferro train motor according to claim 1, which is characterized in that packet
Include following steps：
Step 1：Material prepares：The copper alloy or other synthetic materials of the no electric arc carbon brush holder requirement of high ferro train motor will be met
It is put at stock
Step 2：Casting and forming：Melting is carried out to copper alloy, brush holder blank is cast by mold.
Step 3：Semifinishing：Progress blank processing half-formed to brush holder removes casting gate clout.
Step 4：Carbon brush hole forming is processed：Smart machining is carried out to the brush holder obtained in above-mentioned steps, obtains 10 holes.It wraps in its hole
Include three carbon brush holes (11) (12) (13), and obtain the location hole (4) being fixed on motor casing, (5), (6) are connected with carbon brush
The hole (10) of the conductive hole (7), (8), (9) and the ground wire that connect.
Step 5：Brush holder pre-processes：Surface impurity removal is carried out to the brush holder after punching, it is improved and shows flatness.
Step 6：Brush holder cathode electrophoretic coating：The high ferro train motor that above-mentioned steps are obtained carries out cathode electrophoretic coating with no electric arc brush holder.
Step 7：Brush holder non-working surface spray is removed：The high ferro train motor that above-mentioned steps are obtained is carried out with no electric arc brush holder
Non-working surface spray is removed, and only keeps having nonmetallic coating on carbon brush and brush holder body rubbing surface.
Step 8：Finishing molding：The high ferro train motor obtained to above-mentioned steps is processed with no electric arc brush holder.
3. the no electric arc brush holder production method of a kind of train motor according to claim 1, it is characterised in that in carbon brush and brush
It is coated with nonmetallic coating in the brush holder body opening in frame frictional engagement face, carbon brush and brush holder are separated.
4. the no electric arc brush holder production method of a kind of train motor according to claim 3, it is characterised in that nonmetallic covering
Layer is polytetrafluoroethylene (PTFE) (PTFE).
5. the no electric arc brush holder production method of a kind of train motor according to claim 3, it is characterised in that nonmetallic covering
The nonmetallic spraying substance of layer or resin material.
6. a kind of train motor no electric arc brush holder production method, covering of nonmetallic coating according to claim 3
Technique, it is characterised in that cathode electrophoretic coating technique.
7. the no electric arc brush holder production method of a kind of train motor according to claim 3, it is characterised in that nonmetallic covering
The covering process of layer is box electrostatic painting process.
8. the covering work of a kind of train motor its nonmetallic coating of no electric arc brush holder production method according to claim 3
Skill, it is characterised in that or fluorocarbon-sprayed equal covering process.
9. a kind of train motor nonmetallic coating of no electric arc brush holder production method according to claim 2, is brush holder
Body ontology all standing.
10. a kind of train motor its production process route of no electric arc brush holder production method according to claim 2, first will brush
Frame entirety cathode electrophoretic coating, then by brush holder non-model control working face spray remove, only keep carbon brush with have on brush holder body rubbing surface it is non-
Metal cladding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810269945.1A CN108418067A (en) | 2018-03-29 | 2018-03-29 | A kind of no electric arc carbon brush stand manufacturing method of train motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810269945.1A CN108418067A (en) | 2018-03-29 | 2018-03-29 | A kind of no electric arc carbon brush stand manufacturing method of train motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108418067A true CN108418067A (en) | 2018-08-17 |
Family
ID=63133877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810269945.1A Pending CN108418067A (en) | 2018-03-29 | 2018-03-29 | A kind of no electric arc carbon brush stand manufacturing method of train motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108418067A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109616845A (en) * | 2018-12-21 | 2019-04-12 | 沧州华海风电设备科技技术开发有限公司 | A kind of conjuncted brush carrier |
| CN110176702A (en) * | 2019-07-02 | 2019-08-27 | 康永喜 | Carbon brush |
| CN112063884A (en) * | 2020-09-16 | 2020-12-11 | 海安县恒益滑动轴承有限公司 | Carbon brush holder and preparation method thereof |
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| CN206211242U (en) * | 2016-11-30 | 2017-05-31 | 瑞安市瑞鑫电器有限公司 | A kind of carbon brush holder on automobile start and stop motor |
| CN206559170U (en) * | 2017-03-16 | 2017-10-13 | 瑞安市瑞鑫电器有限公司 | Carbon brush holder component |
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| CN1618151A (en) * | 2001-11-26 | 2005-05-18 | 申克意大利股份有限公司 | Carbon brush box and method for the production thereof |
| DE10355982A1 (en) * | 2003-11-27 | 2005-06-30 | Valeo Motoren Und Aktuatoren Gmbh | Brush holder for an electrical motor has a latching feature to hold brushes in a retracted position during assembly |
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| CN109616845A (en) * | 2018-12-21 | 2019-04-12 | 沧州华海风电设备科技技术开发有限公司 | A kind of conjuncted brush carrier |
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Application publication date: 20180817 |