CN112701551A - Running-in system for improving contact reliability of direct current motor brush - Google Patents
Running-in system for improving contact reliability of direct current motor brush Download PDFInfo
- Publication number
- CN112701551A CN112701551A CN202011488007.4A CN202011488007A CN112701551A CN 112701551 A CN112701551 A CN 112701551A CN 202011488007 A CN202011488007 A CN 202011488007A CN 112701551 A CN112701551 A CN 112701551A
- Authority
- CN
- China
- Prior art keywords
- stepping motor
- commutator
- running
- brush
- contact
- 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.)
- Granted
Links
Images
Landscapes
- Motor Or Generator Current Collectors (AREA)
Abstract
The invention discloses a running-in system for improving the contact reliability of a direct current motor brush, which comprises: the running-in equipment comprises a control console and running-in equipment arranged on the control console; the running-in equipment comprises: the device comprises a device shell, a stepping motor mounting seat, a coupler, a bearing end cover I, a central shaft, a bearing sleeve, a double bearing, a bearing end cover II, an electric brush workpiece, an electric brush mounting nut, an analog commutator and an axial fixing nut; the stepping motor is arranged on the equipment shell through a stepping motor mounting seat; the stepping motor is connected with the central shaft through a coupler; the central shaft is in transition connection with the equipment shell through double bearings; the bearing end cover I is arranged below the double bearings; the bearing sleeve is arranged between the double bearings; the bearing end cover II is connected with the equipment shell through a screw; the simulation commutator is connected with the central shaft through an axial fixing nut. The invention can improve the grinding efficiency and the grinding quality of the electric brush of the direct current motor, further improve the contact reliability of the electric brush during working and improve the commutation performance of the motor.
Description
Technical Field
The invention belongs to the technical field of direct current motor brush process manufacturing, and particularly relates to a running-in system for improving the contact reliability of a direct current motor brush.
Background
The direct-current torque motor plays an important role in the fields of aerospace, satellite, space exploration and the like because of simple control mode and good speed regulation performance, and is widely applied to space mechanical arms, lunar vehicle driving wheels, satellite attitude control and the like. The electric brush is used as the heart of the direct current motor, plays the dual roles of drainage and commutation, not only influences the electrical performance of the motor, but also directly influences the mechanical characteristics of the motor. The contact area and the contact quality of the electric brush and the commutator are very important to the working performance of the motor, and the commutation performance of the motor is directly influenced. The contact area of the electric brush is required to be larger than a certain technical requirement value in production and manufacturing, and the contact surface of the electric brush is usually polished manually by a machine tool. In order to improve the commutation performance of a direct current motor and improve the working reliability of the motor, the problem that how to improve the quality of a contact surface of an electric brush is also needed to be solved urgently at present.
Disclosure of Invention
The technical problem of the invention is solved: the defect of the prior art is overcome, and the running-in system for improving the contact reliability of the electric brush of the direct current motor is provided to improve the running-in efficiency and the running-in quality of the electric brush of the direct current motor, further improve the contact reliability of the electric brush during working and improve the commutation performance of the motor.
In order to solve the technical problem, the invention discloses a running-in system for improving the contact reliability of a brush of a direct current motor, which comprises: running-in equipment and a console; the running-in equipment is arranged on the console; a running-in apparatus comprising: the device comprises a device shell, a stepping motor mounting seat, a coupler, a bearing end cover I, a central shaft, a bearing sleeve, a double bearing, a bearing end cover II, an electric brush workpiece, an electric brush mounting nut, an analog commutator and an axial fixing nut; the stepping motor is arranged on the equipment shell through a stepping motor mounting seat; the stepping motor is connected with the central shaft through a coupler; the central shaft is in transition connection with the equipment shell through double bearings; the bearing end cover I is arranged below the double bearings and used for fixing the axial position of the inner circle of the double bearings; the bearing sleeve is arranged between the double bearings and is used for controlling the axial distance of the double bearings; the bearing end cover II is connected with the equipment shell through a screw and used for fixing the axial position of the excircle of the double bearing and installing an electric brush workpiece; the simulation commutator is connected with the central shaft through an axial fixing nut; and the electric brush workpiece is connected with the bearing end cover II through a mounting nut.
In the above-mentioned break-in system that improves direct current motor brush contact reliability, the control cabinet includes: the stepping motor control cable, the standard bread board, the stepping motor controller, the storage box, the ground foot roller, the system operation button and the platform body; the stepping motor controller is connected with the stepping motor through a stepping motor control cable; the standard bread board is arranged at the top of the table body and used for placing running-in equipment; the stepping motor controller is arranged in the inner cavity of the table body; the storage box is arranged on the front surface of the table body; the foot margin gyro wheel is set up in the bottom of the platform body; the system operation button is arranged on the front surface of the table body.
In the run-in system for improving the reliability of the contact of the brush of the dc motor, the analog commutator includes: grinding wheels and cast iron commutators;
during coarse grinding, the grinding wheel is connected with the central shaft through the axial fixing nut and is used for performing coarse grinding on the electric brush workpiece which is in radial contact with the grinding wheel;
during fine grinding, the cast iron commutator is connected with the central shaft through the axial fixing nut and is used for performing fine grinding on the electric brush workpiece which is in radial contact with the cast iron commutator;
when the electric grinding machine is idle, the grinding wheel and the cast iron commutator are placed in the storage box.
In the above-mentioned break-in system that improves direct current motor brush contact reliability, the step motor controller includes: the device comprises an internal control panel, a display screen, a parameter adjusting button and a control button; wherein, the parameter adjusting button and the control button are used as user operation buttons; the internal control panel is used for responding to the operation control of the parameter adjusting button and the control button by a user, and generating a corresponding control signal to control the stepping motor to execute corresponding operation; the display screen is used for displaying the remaining steps of the stepping motor during working or setting parameters during control and adjustment.
In the above run-in system for improving the reliability of the contact of the brush of the dc motor, the system operation button includes: an emergency stop button, a start button and a reset button; the emergency stop button, the start button and the reset button are respectively used for realizing emergency stop, start and reset control of the running-in equipment.
In the running-in system for improving the contact reliability of the brush of the direct current motor, under the condition that the pressure of the brush is normal, the control console outputs a control signal of the stepping motor controller to the stepping motor through the control cable of the stepping motor, so that the rotation speed, the rotation direction and the rotation step length of the stepping motor are adjusted; the stepping motor works according to the indication of the control signal to drive the simulation commutator to rotate, and the electric brush workpiece in radial contact with the simulation commutator is subjected to running-in.
In the running-in system for improving the contact reliability of the electric brush of the direct current motor, the outer diameter of the analog commutator is the same as that of the commutator when the corresponding electric brush workpiece works.
In the running-in system for improving the contact reliability of the brush of the direct current motor, the grinding wheel is a white corundum grinding wheel, and the cast iron commutator is prepared from stainless steel.
In the running-in system for improving the brush contact reliability of the direct current motor, the equipment shell, the stepping motor mounting seat, the bearing end cover I, the central shaft, the bearing sleeve and the bearing end cover II are all made of stainless steel materials.
In the running-in system for improving the contact reliability of the electric brush of the direct current motor, running-in equipment performs coarse grinding and fine grinding on an electric brush workpiece under the control of a control console; during coarse grinding, a grinding wheel with the same outer diameter as that of a commutator of the electric brush workpiece is used for grinding the contact area of the electric brush workpiece, so that the contact area quickly meets the technical requirements; when in accurate grinding, the cast iron commutator with the same outer diameter as the commutator of the electric brush workpiece is used for polishing the quality of the contact surface of the electric brush workpiece, so that the smoothness and the installation precision of the contact surface are improved, and the degree of fit between the grinding surface of the electric brush workpiece and the commutator segments is improved.
The invention has the following advantages:
the invention discloses a running-in system for improving the contact reliability of a direct current motor brush, which divides the running-in process of the brush into coarse grinding and fine grinding, wherein the coarse grinding improves the running-in efficiency of the brush, so that the contact area of a brush head quickly meets the technical requirement; the contact surface of the brush head is finely ground for secondary processing, so that the smoothness and the installation precision of the contact surface are improved, the attaching degree of the contact surface of the brush and the commutator segments is improved, and the contact reliability of the brush during working is improved; the running-in system automatically realizes the running-in of a plurality of sets of electric brushes and improves the running-in efficiency.
Drawings
FIG. 1 is a schematic diagram of a run-in system for improving the reliability of brush contact of a DC motor according to an embodiment of the present invention;
FIG. 2 is a schematic view of a grinding wheel according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a cast iron commutator according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a stepper motor controller according to an embodiment of the present invention;
FIG. 5 is a schematic view of a brush work piece installation in accordance with an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 5, in the present embodiment, the run-in system for improving the contact reliability of the brush of the dc motor includes: the running-in apparatus 100 and the console 200; the running-in apparatus 100 is arranged on a console 200.
The running-in apparatus 100 may specifically include: the device comprises a device shell 1, a stepping motor 2, a stepping motor mounting seat 3, a coupler 4, a bearing end cover I5, a central shaft 6, a bearing sleeve 7, a double bearing 8, a bearing end cover II 9, an electric brush workpiece 10, an electric brush mounting nut 11, a simulation commutator 12 and an axial fixing nut 13. The stepping motor 2 is arranged on the equipment shell 1 through a stepping motor mounting seat 3; the stepping motor 2 is connected with a central shaft 6 through a coupler 4; the central shaft 6 is in transition connection with the equipment shell 1 through a double bearing 8; the bearing end cover I5 is arranged below the double bearings 8 and used for fixing the axial positions of the inner circles of the double bearings 8; a bearing sleeve 7 is mounted between the double bearings 8 for controlling the axial distance of the double bearings 8; the bearing end cover II 9 is connected with the equipment shell 1 through a screw and used for fixing the axial position of the excircle of the double bearing 8 and installing an electric brush workpiece 10; the simulation commutator 12 is connected with the central shaft 6 through an axial fixing nut 13; the brush workpiece 10 is connected with the bearing end cover II 9 through a mounting nut 11.
In this embodiment, the console 200 may specifically include: a stepping motor control cable 14, a standard bread board 15, a stepping motor controller 16, a storage box 17, a ground roller 18, a system operation button 19 and a table body 20. Wherein, the stepping motor controller 16 is connected with the stepping motor 2 through a stepping motor control cable 14; the standard bread board 15 is arranged at the top of the table body 20 and used for placing the running-in equipment 100; the stepping motor controller 16 is arranged in the inner cavity of the table body 20; the storage box 17 is arranged on the front surface of the table body 20; the foot rollers 18 are arranged at the bottom of the table body 20; the system operation button 19 is provided on the front surface of the table body 20.
In this embodiment, as shown in fig. 2 and 3, the analog commutator 12 may specifically include: a grinding wheel 121 and a cast iron commutator 122. During rough grinding, the grinding wheel 121 is connected with the central shaft 6 through the axial fixing nut 13 and is used for rough grinding of the electric brush workpiece 10 in radial contact with the grinding wheel 121. In finish grinding, the cast iron commutator 122 is connected to the center shaft 6 via the axial fixing nut 13 for finish grinding the brush work 10 which is in radial contact with the cast iron commutator 122. At rest, the grinding wheel 121 and the cast iron commutator 122 are placed in the storage box 17. Preferably, the outer diameter of the analog commutator 12 is the same as the outer diameter of the commutator when the corresponding brush work 10 is in operation. The grinding wheel 121 is a white corundum grinding wheel, and the cast iron commutator 122 is made of stainless steel.
In this embodiment, as shown in fig. 4, the stepping motor controller 16 may specifically include: internal control panel 161, display 162, parameter adjustment buttons 163, and control buttons 164. Among them, the parameter adjustment button 163 and the control button 164 serve as user operation buttons; the internal control board 161 is used for responding to the operation control of the parameter adjusting button 163 and the control button 164 by the user, and generating corresponding control signals to control the stepping motor 2 to execute corresponding operations; the display screen 162 is used to display the number of steps remaining when the stepping motor 2 is operated or set parameters when controlling the adjustment.
In this embodiment, the system operation buttons 19 may specifically include: an emergency stop button 191, a stop button 192, a start button 193, and a reset button 194. Wherein the emergency stop button 191, the stop button 192, the start button 193 and the reset button 194 are used to implement emergency stop, start and reset control of the running-in apparatus 100, respectively.
In the present embodiment, under the condition that the brush pressure is normal, the console 200 outputs the control signal of the stepping motor controller 16 to the stepping motor 2 through the stepping motor control cable 14, so as to adjust the rotation speed, the rotation direction and the rotation step of the stepping motor 2; the stepping motor 2 works according to the instruction of the control signal, drives the analog commutator 12 to rotate, and performs running-in on the electric brush workpiece 10 which is in radial contact with the analog commutator 12.
In this embodiment, the device housing 1, the stepping motor mounting base 3, the bearing end cover i 5, the central shaft 6, the bearing sleeve 7 and the bearing end cover ii 9 are all made of stainless steel.
In the present embodiment, the running-in apparatus 100 performs rough grinding and finish grinding on the brush workpiece 10 under the control of the console 200; during rough grinding, the grinding wheel 121 with the same outer diameter as the commutator of the electric brush workpiece 10 is used for grinding the contact area of the electric brush workpiece 10, so that the contact area can quickly meet the technical requirements; during fine grinding, the cast iron commutator 122 with the same outer diameter as the commutator of the electric brush workpiece 10 is used for polishing the quality of the contact surface of the electric brush workpiece 10, so that the smoothness and the installation precision of the contact surface are improved, and the attaching degree of the grinding surface of the electric brush workpiece 10 and the commutator segments is improved.
In the present embodiment, m running-in devices 100 and m stepping motor controllers 16 may be provided, and m electric brush workpieces 10 may be simultaneously subjected to rough grinding or finish grinding, or m electric brush workpieces 10 may be simultaneously subjected to rough grinding and finish grinding in cooperation according to the use requirement.
In this embodiment, the running-in system for improving the contact reliability of the brush of the dc motor has the following characteristics: the power supply of the electric brush is not required to be switched on in the running-in process; the stepping motor controller can control the running-in speed and the running-in time in real time; the analog commutator is convenient to disassemble and can be replaced according to different sizes of the direct current motor; the running-in system can automatically carry out rough grinding or fine grinding without manual intervention.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make variations and modifications of the present invention without departing from the spirit and scope of the present invention by using the methods and technical contents disclosed above.
Those skilled in the art will appreciate that the invention may be practiced without these specific details.
Claims (10)
1. A run-in system for improving reliability of brush contact of a DC motor, comprising: a running-in device (100) and a console (200); the running-in equipment (100) is arranged on the console (200); running-in apparatus (100) comprising: the device comprises an equipment shell (1), a stepping motor (2), a stepping motor mounting seat (3), a coupler (4), a bearing end cover I (5), a central shaft (6), a bearing sleeve (7), a double bearing (8), a bearing end cover II (9), an electric brush workpiece (10), an electric brush mounting nut (11), a simulation commutator (12) and an axial fixing nut (13); the stepping motor (2) is arranged on the equipment shell (1) through a stepping motor mounting seat (3); the stepping motor (2) is connected with the central shaft (6) through a coupler (4); the central shaft (6) is in transition connection with the equipment shell (1) through a double bearing (8); the bearing end cover I (5) is arranged below the double bearings (8) and used for fixing the axial positions of the inner circles of the double bearings (8); the bearing sleeve (7) is arranged between the double bearings (8) and is used for controlling the axial distance of the double bearings (8); the bearing end cover II (9) is connected with the equipment shell (1) through a screw and used for fixing the axial position of the excircle of the double bearing (8) and installing an electric brush workpiece (10); the simulation commutator (12) is connected with the central shaft (6) through an axial fixing nut (13); the electric brush workpiece (10) is connected with the bearing end cover II (9) through a mounting nut (11).
2. A run-in system for improving reliability of brush contact of a dc motor according to claim 1, wherein the console (200) comprises: a stepping motor control cable (14), a standard bread board (15), a stepping motor controller (16), a storage box (17), a ground foot roller (18), a system operation button (19) and a table body (20); wherein, the stepping motor controller (16) is connected with the stepping motor (2) through a stepping motor control cable (14); the standard bread board (15) is arranged at the top of the table body (20) and is used for placing the running-in equipment (100); the stepping motor controller (16) is arranged in the inner cavity of the table body (20); the storage box (17) is arranged on the front surface of the table body (20); the ground rollers (18) are arranged at the bottom of the table body (20); the system operation button (19) is provided on the front surface of the table body (20).
3. A run-in system for improving the reliability of brush contact of a dc motor according to claim 1, characterized by an analog commutator (12) comprising: a grinding wheel (121) and a cast iron commutator (122);
during coarse grinding, the grinding wheel (121) is connected with the central shaft (6) through an axial fixing nut (13) and is used for performing coarse grinding on an electric brush workpiece (10) which is in radial contact with the grinding wheel (121);
during fine grinding, the cast iron commutator (122) is connected with the central shaft (6) through the axial fixing nut (13) and is used for fine grinding the electric brush workpiece (10) which is in radial contact with the cast iron commutator (122);
when the device is idle, the grinding wheel (121) and the cast iron commutator (122) are placed in the storage box (17).
4. A run-in system for improving reliability of brush contact of a dc motor according to claim 2, wherein the stepping motor controller (16) comprises: an internal control panel (161), a display screen (162), a parameter adjusting button (163) and a control button (164); wherein the parameter adjusting button (163) and the control button (164) are used as user operation buttons; the internal control board (161) is used for responding to the operation control of the parameter adjusting button (163) and the control button (164) by a user, generating corresponding control signals to control the stepping motor (2) to execute corresponding operation; the display screen (162) is used for displaying the residual steps when the stepping motor (2) works or setting parameters when the adjustment is controlled.
5. Break-in system for improving the reliability of the contact of the brushes of a direct current motor according to claim 2, characterized in that the system operating button (19) comprises: an emergency stop button (191), a stop button (192), a start button (193), and a reset button (194); the emergency stop button (191), the stop button (192), the start button (193) and the reset button (194) are respectively used for realizing emergency stop, start and reset control of the running-in equipment (100).
6. The running-in system for improving the brush contact reliability of the direct current motor according to claim 2, characterized in that under the condition that the brush pressure is normal, the control console (200) outputs a control signal of the stepping motor controller (16) to the stepping motor (2) through the stepping motor control cable (14) to realize the adjustment of the rotation speed, the rotation direction and the rotation step length of the stepping motor (2); the stepping motor (2) works according to the indication of the control signal, drives the analog commutator (12) to rotate, and performs running-in on the electric brush workpiece (10) which is in radial contact with the analog commutator (12).
7. A running-in system for improving the reliability of brush contact of a direct current motor according to claim 1, characterized in that the analogue commutator (12) has the same outer diameter as the commutator of the corresponding brush work (10) during operation.
8. A running-in system for increasing the reliability of the contact of the brush of a dc motor according to claim 3, characterized in that the grinding wheel (121) is a white corundum grinding wheel and the cast iron commutator (122) is made of stainless steel.
9. The running-in system for improving the contact reliability of the brush of the direct current motor according to claim 1, wherein the equipment shell (1), the stepping motor mounting seat (3), the bearing end cover I (5), the central shaft (6), the bearing sleeve (7) and the bearing end cover II (9) are all made of stainless steel materials.
10. A running-in system for improving the reliability of brush contact of dc motors according to claim 3, characterized in that the running-in device (100) performs rough grinding and finish grinding of the brush workpiece (10) under the control of the console (200); during rough grinding, a grinding wheel (121) with the same outer diameter as that of a commutator of the electric brush workpiece (10) is used for grinding the contact area of the electric brush workpiece (10), so that the contact area can quickly meet the technical requirements; during fine grinding, the quality of the contact surface of the electric brush workpiece (10) is polished by using the cast iron commutator (122) with the same outer diameter as that of the commutator of the electric brush workpiece (10), so that the smoothness and the installation accuracy of the contact surface are improved, and the attaching degree of the grinding surface of the electric brush workpiece (10) and a commutator segment is improved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011488007.4A CN112701551B (en) | 2020-12-16 | 2020-12-16 | Running-in system for improving contact reliability of electric brush of direct current motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011488007.4A CN112701551B (en) | 2020-12-16 | 2020-12-16 | Running-in system for improving contact reliability of electric brush of direct current motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112701551A true CN112701551A (en) | 2021-04-23 |
| CN112701551B CN112701551B (en) | 2022-09-02 |
Family
ID=75508516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011488007.4A Active CN112701551B (en) | 2020-12-16 | 2020-12-16 | Running-in system for improving contact reliability of electric brush of direct current motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112701551B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113675698A (en) * | 2021-08-24 | 2021-11-19 | 郑州航空工业管理学院 | Running-in device of electric brush of aviation motor |
| CN114083392A (en) * | 2021-11-22 | 2022-02-25 | 中国船舶重工集团公司第七0七研究所 | Quick grinding device of brush direct current motor |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2020710A1 (en) * | 2007-08-02 | 2009-02-04 | Jtekt Corporation | Brush manufacturing method, motor manufacturing method, brush, motor, and electromotive power steering device |
| CN203932624U (en) * | 2014-06-24 | 2014-11-05 | 溧阳市宏达电机有限公司 | A kind of electric mill brush device |
| CN204028320U (en) * | 2014-03-04 | 2014-12-17 | 许元 | The comprehensive performance test device of DC motor rotor commutator and carbon brush |
| CN105048235A (en) * | 2015-05-19 | 2015-11-11 | 北京航天控制仪器研究所 | Photo-electric gas combined slip ring |
| CN106141837A (en) * | 2015-03-24 | 2016-11-23 | 苏州瑞本智能科技有限公司 | Intelligent milling drum for grinding carbon brush front end face |
| CN106299970A (en) * | 2016-08-17 | 2017-01-04 | 中国航空工业集团公司西安飞行自动控制研究所 | A kind of running-in machine for motor brush |
| CN106466799A (en) * | 2015-08-21 | 2017-03-01 | 苏州瑞本智能科技有限公司 | Method for carrying out to carbon brush revolving head and playing arc process |
| CN207043903U (en) * | 2017-08-11 | 2018-02-27 | 海门市海菱碳业有限公司 | A kind of grinding machine for the production of Novel immersion oil carbon brush |
| CN207834817U (en) * | 2018-01-31 | 2018-09-07 | 瑞安市龙星机电配件厂（普通合伙） | Commutator process equipment |
| CN110744403A (en) * | 2019-11-01 | 2020-02-04 | 陕西航空电气有限责任公司 | Device for grinding radian of electric brush |
| CN210848345U (en) * | 2019-02-27 | 2020-06-26 | 中国石油大学(华东) | Main shaft system aiming at automation of drilling processing of drill chuck drill body |
-
2020
- 2020-12-16 CN CN202011488007.4A patent/CN112701551B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2020710A1 (en) * | 2007-08-02 | 2009-02-04 | Jtekt Corporation | Brush manufacturing method, motor manufacturing method, brush, motor, and electromotive power steering device |
| CN204028320U (en) * | 2014-03-04 | 2014-12-17 | 许元 | The comprehensive performance test device of DC motor rotor commutator and carbon brush |
| CN203932624U (en) * | 2014-06-24 | 2014-11-05 | 溧阳市宏达电机有限公司 | A kind of electric mill brush device |
| CN106141837A (en) * | 2015-03-24 | 2016-11-23 | 苏州瑞本智能科技有限公司 | Intelligent milling drum for grinding carbon brush front end face |
| CN105048235A (en) * | 2015-05-19 | 2015-11-11 | 北京航天控制仪器研究所 | Photo-electric gas combined slip ring |
| CN106466799A (en) * | 2015-08-21 | 2017-03-01 | 苏州瑞本智能科技有限公司 | Method for carrying out to carbon brush revolving head and playing arc process |
| CN106299970A (en) * | 2016-08-17 | 2017-01-04 | 中国航空工业集团公司西安飞行自动控制研究所 | A kind of running-in machine for motor brush |
| CN207043903U (en) * | 2017-08-11 | 2018-02-27 | 海门市海菱碳业有限公司 | A kind of grinding machine for the production of Novel immersion oil carbon brush |
| CN207834817U (en) * | 2018-01-31 | 2018-09-07 | 瑞安市龙星机电配件厂（普通合伙） | Commutator process equipment |
| CN210848345U (en) * | 2019-02-27 | 2020-06-26 | 中国石油大学(华东) | Main shaft system aiming at automation of drilling processing of drill chuck drill body |
| CN110744403A (en) * | 2019-11-01 | 2020-02-04 | 陕西航空电气有限责任公司 | Device for grinding radian of electric brush |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113675698A (en) * | 2021-08-24 | 2021-11-19 | 郑州航空工业管理学院 | Running-in device of electric brush of aviation motor |
| CN113675698B (en) * | 2021-08-24 | 2023-05-12 | 郑州航空工业管理学院 | Running-in device of motor brush for aviation |
| CN114083392A (en) * | 2021-11-22 | 2022-02-25 | 中国船舶重工集团公司第七0七研究所 | Quick grinding device of brush direct current motor |
| CN114083392B (en) * | 2021-11-22 | 2023-12-12 | 中国船舶重工集团公司第七0七研究所 | Quick grinding device of brush direct current motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112701551B (en) | 2022-09-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112701551B (en) | Running-in system for improving contact reliability of electric brush of direct current motor | |
| CN108818275A (en) | A kind of engineering machinery accessory burnishing device | |
| CN206185674U (en) | Reation kettle mirror finish machine | |
| CN212600705U (en) | Precision forming surface grinding machine | |
| CN109333339B (en) | Wheel hub numerical control polishing machine and working method thereof | |
| CN110842714A (en) | Multifunctional grinding machine | |
| CN214443295U (en) | Intelligent efficient numerical control drilling machine | |
| CN113977401A (en) | Automatic grinding equipment for motor shell and grinding method thereof | |
| CN219945725U (en) | Motor rotor outer wall surface polishing device | |
| CN211059680U (en) | Stability test bed for electronic appliance | |
| CN211439270U (en) | Engine crankshaft thrust journal outer circle face corase grind device | |
| CN210046481U (en) | Honing tool capable of remotely controlling pressure regulation | |
| CN220296625U (en) | Inner wall polisher for machining mechanical hydraulic pipe | |
| CN112792380A (en) | Intelligent efficient numerical control drilling machine | |
| CN112894367A (en) | Intelligent efficient tapping and drilling integrated machine | |
| CN108274349B (en) | Loading device of pneumatic engraving and milling machine | |
| CN111300270A (en) | Intelligent automatic grinding wheel dressing device of high accuracy formula | |
| CN207077301U (en) | A kind of pole automatic polishing machine | |
| CN111408984A (en) | Full-automatic hub blade grinding machine | |
| CN219310956U (en) | Numerical control end face machining tool for turning workpiece | |
| CN219542684U (en) | Angle-adjustable grinding machine for polishing magnetic shoe | |
| CN214817425U (en) | Adjustable lifting device of electrode sharpening machine | |
| CN219170529U (en) | Vacuum cavity surface polishing rotating table | |
| CN220312943U (en) | Polishing equipment for irregular motor end cover | |
| CN220839450U (en) | Polishing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |