CN111064304B - Carbon brush mechanism based on motor collecting ring - Google Patents
Carbon brush mechanism based on motor collecting ring Download PDFInfo
- Publication number
- CN111064304B CN111064304B CN201911353849.6A CN201911353849A CN111064304B CN 111064304 B CN111064304 B CN 111064304B CN 201911353849 A CN201911353849 A CN 201911353849A CN 111064304 B CN111064304 B CN 111064304B
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- China
- Prior art keywords
- carbon brush
- contact
- collecting ring
- wall
- brush body
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Classifications
-
- 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
- H02K5/141—Means for supporting or protecting brushes or brush holders for cooperation with slip-rings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K13/00—Structural associations of current collectors with motors or generators, e.g. brush mounting plates or connections to windings; Disposition of current collectors in motors or generators; Arrangements for improving commutation
- H02K13/003—Structural associations of slip-rings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K13/00—Structural associations of current collectors with motors or generators, e.g. brush mounting plates or connections to windings; Disposition of current collectors in motors or generators; Arrangements for improving commutation
- H02K13/10—Arrangements of brushes or commutators specially adapted for improving commutation
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Current Collectors (AREA)
Abstract
The invention relates to the technical field of motor components and discloses a carbon brush mechanism based on a collecting ring of a motor, which comprises a carbon brush rack, wherein the middle part of the outer surface of the carbon brush rack is fixedly provided with the carbon brush mechanism, the carbon brush mechanism is divided into an upper support and a lower support, the upper support and the lower support are fixedly arranged on the outer wall of the carbon brush rack through screws, the top end of the upper support is fixedly provided with a wiring terminal, the two sides of the outer part of the lower support are fixedly provided with carbon brushes, and the bottom end of the outer wall of the carbon brush body is in contact with the outer wall of the collecting ring. This carbon brush mechanism based on motor collecting ring to the outside arc structure of contact even board and with the setting of carbon brush body contact position for the contact even board when contacting with the carbon brush body, its one end remains the state of warping throughout, prevents that its corner from causing the scraping damage to the surface of carbon brush body, stability when further having improved mutual contact between contact even board and the carbon brush body.
Description
Technical Field
The invention relates to the technical field of motor components, in particular to a carbon brush mechanism based on a collector ring of a motor.
Background
The electric motor is a device which generates a rotating magnetic field by using a stator winding and acts on a rotor to form power rotating torque, mainly aims to convert electric energy into mechanical energy, and a collecting ring and a carbon brush are important components of the electric motor and are devices capable of transmitting energy and signals between a fixed part and a rotating part of the electric motor.
The existing carbon brush structure and the collector ring are in sliding friction contact, so that the friction between the carbon brush and the collector ring is large, the carbon deposition and the abrasion of the carbon brush are serious, the local sparking phenomenon is easy to occur due to poor contact in the using process, the service life of the carbon brush is greatly influenced, the friction between the carbon brush and the collector ring is large, the temperature of the carbon brush or the collector ring can be quickly increased when the motor is used for a long time, the motor needs to be shut down and cooled down, and the motor cannot be used for a long time without shutting down.
Disclosure of Invention
Technical problem to be solved
The invention provides a carbon brush mechanism based on a collecting ring of a motor, which has the advantages of smaller friction force between a carbon brush and the collecting ring, shortened carbon deposition period of the carbon brush, prolonged service life of the carbon brush, slowed down temperature rise speed of the carbon brush or the collecting ring and prolonged non-stop working time of the motor, solves the problems that the friction force between the carbon brush and the collecting ring is larger, the carbon brush is seriously abraded and deposited carbon is serious, and further the local sparking is easily caused by poor contact in the use process, greatly influences the service life of the carbon brush, and the temperature rise of the carbon brush or the collecting ring is quicker due to the larger friction force between the carbon brush and the collecting ring, and needs to be stopped and cooled when the motor is used for a long time, and the utility model can not be used for a long time without stopping.
(II) technical scheme
The invention provides the following technical scheme: the utility model provides a carbon brush mechanism based on motor collecting ring, includes the carbon brush frame, the middle part fixed mounting of carbon brush frame surface has carbon brush mechanism, the bottom of carbon brush frame is equipped with the collecting ring, and the surface of carbon brush mechanism and the outer wall contact of collecting ring, two parts about carbon brush mechanism divide into upper bracket and lower carriage, and pass through screw rod fixed mounting on the outer wall of carbon brush frame between upper bracket and the lower carriage, the top fixed mounting of upper bracket has binding post, the equal fixed mounting in both sides of lower carriage outside has the carbon brush body, and the bottom of the external wall of carbon brush and the outer wall contact of collecting ring, the top of the external wall of carbon brush is passed through contact mechanism and is connected with binding post's inside electricity.
Preferably, waist type pore structure is all established to both sides around the lower carriage activity cup joints the carbon brush body, and mutually perpendicular between the vertical central line in waist type hole and the tangent line of carbon brush body and contact mechanism contact point.
Preferably, the contact mechanism comprises an installation support plate, the inner wall of the installation support plate is fixedly connected with the top of the outer surface of the lower support, a contact connecting plate is movably sleeved at the top of the inner cavity of the installation support plate, the bottom end of the contact connecting plate is in transmission connection with the middle of the inner cavity of the installation support plate through a tension mechanism, one side of the bottom end of the contact connecting plate is in contact with the outer wall of the carbon brush body, the inside of the contact connecting plate is electrically connected with the inside of the conductive pressing plate through a conductive wiring, and the conductive pressing plate is in threaded connection with the wiring terminal.
Preferably, the contact connecting plate is provided with an arc structure at the outer part, the middle part of the bottom end of the arc structure of the contact connecting plate is in contact with the outer wall of the carbon brush body, and meanwhile, the contact point of the contact connecting plate and the collecting ring, the central line of the waist-shaped hole in the lower support and the contact point of the carbon brush body and the collecting ring are located on the same plane.
(III) advantageous effects
The invention has the following beneficial effects:
1. this carbon brush mechanism based on motor collecting ring, through the setting of carbon brush body, the sliding friction between current carbon brush structure and the collecting ring becomes rolling friction, thereby the effectual frictional force that reduces between carbon brush and the collecting ring under the same contact condition, and then reduced the wearing and tearing of carbon brush, the life of carbon brush has been prolonged, the period of collecting ring because the carbon brush takes place the carbon deposit phenomenon because the carbon brush is wearing and tearing excessively has been shortened simultaneously, and because the frictional force between carbon brush and the collecting ring diminishes, can effectually slow down the speed that carbon brush or collecting ring temperature rose, and then the effectual length of time of motor when not shutting down the work that has prolonged.
2. This carbon brush mechanism based on motor collecting ring through the setting of waist type hole on contact mechanism and the lower carriage for the contact point of contact even board and collecting ring, the central line of waist type hole on the lower carriage and the contact point of carbon brush body and collecting ring are located the coplanar, make the contact stress point of carbon brush body comparatively balanced and be in even wearing and tearing state always in order to keep the outside circular structure of carbon brush body, and then stability and reliability when having improved mutual rolling friction contact between contact even board, carbon brush body and the collecting ring.
3. This carbon brush mechanism based on motor collecting ring to the outside arc structure of contact even board and with the setting of carbon brush body contact position for the contact even board when contacting with the carbon brush body, its one end remains the state of warping throughout, prevents that its corner from causing the scraping damage to the surface of carbon brush body, stability when further having improved mutual contact between contact even board and the carbon brush body.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of a carbon brush mechanism according to the present invention;
fig. 3 is a front view of a carbon brush mechanism according to the present invention;
FIG. 4 is a schematic structural view of a contact mechanism according to the present invention;
fig. 5 is a front view of a structural contact mechanism of the present invention.
In the figure: 1. a carbon brush frame; 2. a carbon brush mechanism; 3. a collector ring; 4. an upper bracket; 5. a wiring terminal; 6. a lower bracket; 7. a carbon brush body; 8. a contact mechanism; 81. mounting a support plate; 82. contacting the connecting plate; 83. a tension mechanism; 84. a conductive wiring; 85. and a conductive pressure plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, a carbon brush mechanism based on a collecting ring of a motor includes a carbon brush frame 1, a carbon brush mechanism 2 is fixedly mounted at a middle portion of an outer surface of the carbon brush frame 1, the collecting ring 3 is disposed at a bottom of the carbon brush frame 1, and an outer surface of the carbon brush mechanism 2 contacts with an outer wall of the collecting ring 3, the carbon brush mechanism 2 is divided into an upper portion 4 and a lower portion 6, the upper portion 4 and the lower portion 6 are fixedly mounted on an outer wall of the carbon brush frame 1 through screws, a connecting terminal 5 is fixedly mounted at a top end of the upper portion 4, carbon brush bodies 7 are fixedly mounted on two outer sides of the lower portion 6, bottom ends of outer walls of the carbon brush bodies 7 contact with the outer wall of the collecting ring 3, and top ends of outer walls of the carbon brush bodies 7 are electrically connected with an inner portion of the connecting terminal 5 through a contact mechanism 8.
The carbon brush body 7 and the contact mechanism 8 are arranged, sliding friction between the existing carbon brush structure and the collecting ring 3 is changed into rolling friction, so that friction between the carbon brush and the collecting ring 3 is effectively reduced under the same contact condition, abrasion of the carbon brush is further reduced, the service life of the carbon brush is prolonged, meanwhile, the period of carbon deposition phenomenon caused by the fact that the carbon brush is abraded too fast in the collecting ring 3 is shortened, and the temperature rising speed of the carbon brush or the collecting ring 3 can be effectively slowed down because the friction between the carbon brush and the collecting ring 3 is reduced, and the duration of the motor during working without stopping the motor is prolonged.
In this technical scheme, the front and back both sides that lower carriage 6 activity cup jointed carbon brush body 7 all establish to waist type pore structure, and mutually perpendicular between the vertical central line in waist type hole and the tangent line of carbon brush body 7 and the 8 contact points of contact mechanism.
Wherein, to the setting of waist type hole and position in lower carriage 6, when carbon brush body 7 took place wearing and tearing because of long-time work, can be with the help of contact mechanism 8's pressure automatic drive carbon brush body 7 downstream to guarantee to keep the state of contact throughout between contact mechanism 8, carbon brush body 7 and the current collecting ring 3, can not lead to its contact failure because of carbon brush body 7's wearing and tearing to appear, and then take place the phenomenon of local striking sparks, the effectual stability and the reliability that has improved this carbon brush mechanism.
In this technical scheme, contact mechanism 8 is including installing extension board 81, the inner wall of installation extension board 81 and the top fixed connection of lower carriage 6 surface, the top activity of installation extension board 81 inner chamber has cup jointed contact connecting plate 82, and the bottom of contact connecting plate 82 is connected with the middle part transmission of installation extension board 81 inner chamber through tensile mechanism 83, one side of contact connecting plate 82 bottom contacts with the outer wall of carbon brush body 7, the inside of contact connecting plate 82 is connected with the inside electricity of conducting the clamp plate 85 through electrically conductive wiring 84, and threaded connection between conducting the clamp plate 85 and the binding post 5.
Wherein, to the setting of contact mechanism 8, can utilize pulling force mechanism 83 to exert certain pressure between contact link plate 82 and the carbon brush body 7 all the time, in order to guarantee to contact and stabilize effectual contact between link plate 82 and the carbon brush body 7, make the carbon brush body 7 when rotating along with collecting ring 3 at a high speed, the condition of contact failure can not appear, utilize simultaneously electrically conductive wiring 84 and electrically conductive clamp plate 85 to make and form one stable electric conductor between external power source and the collecting ring 3 and carry the electric current to the motor in, good stability and reliability have.
In this technical scheme, the outside of contact even board 82 is equipped with the arc structure, and the middle part of contact even board 82 arc structure bottom contacts with the outer wall of carbon brush body 7, and the contact point of contact even board 82 and collecting ring 3, the central line of waist type hole on lower carriage 6 and the contact point of carbon brush body 7 and collecting ring 3 lie in the coplanar simultaneously.
Wherein, to the setting of contact even board 82 external structure and with carbon brush body 7 contact point position for contact even board 82 when contacting with carbon brush body 7, its one end remains the state of warping throughout, prevents that its corner from causing the scratch damage to carbon brush body 7's surface, makes carbon brush body 7's upper and lower stress point be in same straight line simultaneously, makes carbon brush body 7 be in the circular structure of even wearing and tearing state in order to keep carbon brush body 7 outside always, and then has improved the stability when contacting each other between contact even board 82, carbon brush body 7 and collecting ring 3.
The use method and the working principle of the embodiment are as follows:
firstly, the carbon brush mechanism is fixedly installed inside a motor through a carbon brush frame 1, a conductive pressing plate 85 is in threaded connection with a wiring terminal 5, meanwhile, the pulling force of a pulling force mechanism 83 is adjusted to enable the middle part of the bottom end of a contact connecting plate 82 to be kept in contact with the outer surface of a carbon brush body 7 under certain pressure, simultaneously, under the pressure action of the pulling force mechanism 83, the carbon brush body 7 is driven to have a downward sliding trend along a kidney-shaped hole on a lower support 6, further, the bottom of the outer surface of the carbon brush body 7 is kept in contact with a collecting ring 3 under certain pressure, so that a fixed part and a rotating part in the motor are kept in contact and transmit energy, when the carbon brush body 7 is abraded in the long-term use process, as the contact point of the contact connecting plate 82 and the collecting ring 3, the central line of the kidney-shaped hole on the lower support 6 and the contact point of the carbon brush body 7 and the collecting ring 3 are positioned on the same plane, and the carbon brush body 7 moves downwards along the central line of the waist-shaped hole on the lower support 6 under the pressure action of the tension mechanism 83 to keep the contact between the carbon brush body and the lower support, and the sliding friction between the existing carbon brush structure and the collecting ring 3 is changed into rolling friction, so that the friction between the carbon brush and the collecting ring 3 is effectively reduced under the same contact condition, the abrasion of the carbon brush is further reduced, and the service life of the carbon brush is prolonged.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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.
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 (3)
1. The utility model provides a carbon brush mechanism based on motor collecting ring, includes carbon brush frame (1), the middle part fixed mounting of carbon brush frame (1) surface has carbon brush mechanism (2), the bottom of carbon brush frame (1) is equipped with collecting ring (3), and the outer wall contact of the surface of carbon brush mechanism (2) and collecting ring (3), its characterized in that: the carbon brush mechanism (2) is divided into an upper support (4) and a lower support (6) which are arranged up and down, the upper support (4) and the lower support (6) are fixedly arranged on the outer wall of the carbon brush rack (1) through screws, the top end of the upper support (4) is fixedly provided with a wiring terminal (5), two sides of the outer portion of the lower support (6) are fixedly provided with carbon brush bodies (7), the bottom end of the outer wall of each carbon brush body (7) is in rolling friction contact with the outer wall of the collecting ring (3), and the top end of the outer wall of each carbon brush body (7) is electrically connected with the inner portion of the wiring terminal (5) through a contact mechanism (8);
the contact mechanism (8) comprises an installation support plate (81), the inner wall of the installation support plate (81) is fixedly connected with the top of the outer surface of the lower support (6), a contact connecting plate (82) is movably sleeved at the top of the inner cavity of the installation support plate (81), the bottom end of the contact connecting plate (82) is in transmission connection with the middle of the inner cavity of the installation support plate (81) through a tension mechanism (83), one side of the bottom end of the contact connecting plate (82) is in contact with the outer wall of the carbon brush body (7), the inside of the contact connecting plate (82) is electrically connected with the inside of the conductive pressing plate (85) through a conductive wiring (84), and the conductive pressing plate (85) is in threaded connection with the wiring terminal (5).
2. The carbon brush mechanism based on the collector ring of the motor according to claim 1, characterized in that: waist-shaped hole structures are arranged on the front side and the rear side of the lower support (6) movably sleeved with the carbon brush body (7), and the vertical center line of the waist-shaped hole is perpendicular to the tangent line of the contact point of the carbon brush body (7) and the contact mechanism (8).
3. The carbon brush mechanism based on the collector ring of the motor according to claim 1, characterized in that: the outer portion of the contact connecting plate (82) is provided with an arc-shaped structure, the middle portion of the bottom end of the arc-shaped structure of the contact connecting plate (82) is in contact with the outer wall of the carbon brush body (7), and meanwhile, the contact point of the contact connecting plate (82) and the collecting ring (3), the central line of the upper waist-shaped hole of the lower support (6) and the contact point of the carbon brush body (7) and the collecting ring (3) are located on the same plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911353849.6A CN111064304B (en) | 2019-12-25 | 2019-12-25 | Carbon brush mechanism based on motor collecting ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911353849.6A CN111064304B (en) | 2019-12-25 | 2019-12-25 | Carbon brush mechanism based on motor collecting ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111064304A CN111064304A (en) | 2020-04-24 |
| CN111064304B true CN111064304B (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911353849.6A Active CN111064304B (en) | 2019-12-25 | 2019-12-25 | Carbon brush mechanism based on motor collecting ring |
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| CN (1) | CN111064304B (en) |
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| CN101762951A (en) * | 2008-12-23 | 2010-06-30 | 深圳富泰宏精密工业有限公司 | Lens module and electronic device using the same |
| KR100933496B1 (en) * | 2009-08-11 | 2009-12-23 | 주식회사 케이씨 | Brush holder for shaft earthing device of ship |
| TW201117525A (en) * | 2009-11-06 | 2011-05-16 | Taiwan Long Hawn Entpr Co | Carbon brush structure of bus ring |
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|---|---|
| CN111064304A (en) | 2020-04-24 |
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Effective date of registration: 20211112 Address after: 235000 room 507, complex building, entrepreneurship Park, high tech Zone, Huaibei Economic Development Zone, Anhui Province Applicant after: Huaibei bohuan New Energy Technology Co.,Ltd. Address before: 556000 No. 22, Panlong street, Zhenyuan County, Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou Province Applicant before: Li Gongxiang |
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Effective date of registration: 20221219 Address after: 230000 3rd floor, complex building, 1799 Xiyou Road, high tech Zone, Hefei City, Anhui Province Patentee after: HEFEI WANHUA ELECTRICAL MACHINERY TECH. DEVELOPMENT CO.,LTD. Address before: 235000 room 507, complex building, entrepreneurship Park, high tech Zone, Huaibei Economic Development Zone, Anhui Province Patentee before: Huaibei bohuan New Energy Technology Co.,Ltd. |
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