CN111044193A - Measuring device and debugging method for contact pressure of electric brush - Google Patents
Measuring device and debugging method for contact pressure of electric brush Download PDFInfo
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- CN111044193A CN111044193A CN201911284146.2A CN201911284146A CN111044193A CN 111044193 A CN111044193 A CN 111044193A CN 201911284146 A CN201911284146 A CN 201911284146A CN 111044193 A CN111044193 A CN 111044193A
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- mounting plate
- assembly
- dynamometer
- brush
- contact pressure
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0028—Force sensors associated with force applying means
- G01L5/0038—Force sensors associated with force applying means applying a pushing force
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- Analytical Chemistry (AREA)
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Abstract
The invention belongs to the field of electric brush assembly testing, and relates to a measuring device and a debugging method for electric brush contact pressure, wherein the measuring device consists of an assembly mounting plate 1, support legs 2, a dynamometer 3, a dynamometer mounting plate 4, a fixing screw 5, a detection head 6, a support plate 7, a knurled screw 8 and a fixing screw 9. The measuring method is simple and convenient to operate, the fixed position of the dynamometer mounting plate is adjusted, the accurate control of the electric brush pressure can be effectively realized, and the reliable and stable electric brush pressure output after the electric brush assembly is mounted on the main paddle current collecting ring assembly is ensured.
Description
Technical Field
The invention belongs to the field of testing of electric brush assemblies, and relates to a measuring device and a debugging method for electric brush contact pressure.
Background
Aircraft deicing technology is of great importance to flight safety. The electric brush assembly is applied to the main blade collector ring assembly of the airplane, and in order to effectively ensure that the electric brush of the main blade collector ring assembly is fully contacted with the conducting ring in the working process, the circuit breaking fault is avoided being found, the service life of the assembly is not influenced, and the contact pressure of the electric brush must be accurately controlled. Therefore, it is necessary to detect and adjust the contact pressure of the brush assembly.
Disclosure of Invention
The purpose of the invention is as follows: the device and the method for measuring the contact pressure of the electric brush effectively realize the accurate control of the pressure of the electric brush.
The technical scheme of the invention is as follows: on one hand, the measuring device for the contact pressure of the electric brush comprises a mounting assembly and a measuring assembly, wherein the mounting assembly comprises an assembly mounting plate 1 and a support 2, the assembly mounting plate 1 is fixedly arranged on the support 2, and the electric brush assembly is fixedly arranged on the assembly mounting plate 1; the measuring assembly comprises a dynamometer 3 and a dynamometer mounting plate 4, and the dynamometer 3 is fixedly connected to the assembly mounting plate 1 through the dynamometer mounting plate 4; the detection head 6 of the load cell 3 is in contact with the brush of the brush assembly to detect the contact pressure of the brush with the detection head.
Further, the end face of the detection head 6 contacting with the electric brush is arc-shaped so as to fully contact with the electric brush.
Further, the support 2 comprises a support plate 7, and the lower end of the mounting plate 1 is fixedly connected with the support plate 7.
Further, the brush component is fixedly arranged on the component mounting plate 1 through a fixing screw 9; dynamometer 3 is fixedly connected with dynamometer mounting plate 4 through knurled screw 8.
Further, the dynamometer mounting plate 4 is fixedly attached to the module mounting plate 1 by a fixing screw 5.
Further, a plurality of mounting grooves are provided on the component mounting plate 1, and the dynamometer mounting plate 4 is connected with different mounting grooves on the component mounting plate 1 to adjust the mounting position of the dynamometer mounting plate 4.
In another aspect, a method for debugging the contact pressure of an electric brush utilizes the measuring device, and the electric brush assembly comprises a fixing spring, a fixing screw, a hexagon nut and the electric brush; the debugging method is characterized by comprising the following steps:
fixedly mounting the brush assembly on the assembly mounting plate 1, fixedly connecting the dynamometer 3 to the assembly mounting plate 1 through the dynamometer mounting plate 4, and contacting a detection head 6 of the dynamometer 3 with a brush of the brush assembly;
adjusting a hexagon nut on the electric brush assembly to release the locking of the fixing screw; rotating a fixing screw for limiting the fixing spring, observing the reading of the dynamometer 3, adjusting the fixing screw to adjust the elastic force of the fixing spring, and changing the contact pressure between the electric brush and the detection head 6; when the contact pressure reaches the specified requirement, the contact pressure is recorded, and the hexagon nut is screwed down to lock the fixing screw.
Further, the brush assembly includes a plurality of brushes; the mounting positions of the dynamometer mounting plate 4 and the assembly mounting plate 1 are adjusted to adjust the position of the dynamometer 3 relative to the brush assembly for measuring and adjusting the contact pressure of the dynamometer 3 with the plurality of brushes.
The invention has the advantages and beneficial effects that: the measuring method is simple and convenient to operate, the fixed position of the dynamometer mounting plate is adjusted, the accurate control of the electric brush pressure can be effectively realized, and the reliable and stable electric brush pressure output after the electric brush assembly is mounted on the main paddle current collecting ring assembly is ensured.
Drawings
FIG. 1 is a front view of a brush pressure test fixture of the present invention;
FIG. 2 is a side view of the brush pressure test fixture of the present invention;
wherein 1-component mounting plate; 2-a leg; 3-a dynamometer; 4-dynamometer mounting plate; 5-fixing screws; 6-detecting the head; 7-a support plate; 8-knurled screw; 9-set screw.
Detailed Description
The present invention is described in further detail below.
Example 1
Fig. 1 is a front view of a brush pressure test fixture according to the present invention, and fig. 2 is a side view of the brush pressure test fixture according to the present invention, which is shown in fig. 1 and fig. 2, and this embodiment provides a brush contact pressure measurement device, which includes a mounting assembly and a measurement assembly.
The mounting assembly comprises an assembly mounting plate 1 and a bracket 2, the assembly mounting plate 1 is fixedly arranged on the bracket 2, and the electric brush assembly is fixedly arranged on the assembly mounting plate 1;
the measuring assembly comprises a dynamometer 3 and a dynamometer mounting plate 4, and the dynamometer 3 is fixedly connected to the assembly mounting plate 1 through the dynamometer mounting plate 4; the detection head 6 of the load cell 3 is in contact with the brush of the brush assembly to detect the contact pressure of the brush with the detection head.
Further, the end face of the detection head 6 contacting with the electric brush is arc-shaped so as to fully contact with the electric brush.
Further, the bracket 2 comprises a support plate 7, and the lower end of the component mounting plate 1 is fixedly connected with the support plate 7. The electric brush component is fixedly arranged on the component mounting plate 1 through a fixing screw 9; dynamometer 3 is fixedly connected with dynamometer mounting plate 4 through knurled screw 8. The dynamometer mounting plate 4 is fixedly connected to the module mounting plate 1 by a fixing screw 5.
Further, a plurality of mounting grooves are provided on the component mounting plate 1, and the dynamometer mounting plate 4 is connected with different mounting grooves on the component mounting plate 1 to adjust the mounting position of the dynamometer mounting plate 4.
Example 2
In the present embodiment, a method for adjusting a brush contact pressure is provided, which uses the measuring device as described above. The electric brush assembly comprises a fixing spring, a fixing screw, a hexagon nut and an electric brush. The fixing spring is limited by the cooperation of the fixing screw and the hexagon nut, and the fixing spring is in contact with the electric brush so as to provide contact pressure of the electric brush and other components. The debugging method specifically comprises the following steps:
in a first step, the brush assembly is fixed to the assembly mounting plate 1 with the fixing screws 9. The test head 6 is fixed to the test end of the dynamometer 3. Fixing the dynamometer on the dynamometer mounting plate 4 by a knurled screw 8, and aligning the detection head with the electric brush;
secondly, loosening a hexagon nut on the electric brush assembly, rotating a fixing screw for fixing a spring, observing the reading of the dynamometer 3, gradually adjusting the elastic force of the spring, changing the contact pressure between the electric brush and the detection head 6, recording the electric brush pressure when the electric brush pressure is in a qualified range, and screwing the hexagon nut;
thirdly, loosening the knurled screw 8 and detaching the dynamometer mounting plate 4;
and fourthly, replacing the mounting groove of the dynamometer mounting plate 4 on the mounting plate 1, and repeating the steps 1-2 until all the electric brush pressures on the electric brush assembly are debugged to be qualified.
Specifically, taking the brush pressure adjustment at a time as an example: the brushes of the brush assembly include a large brush and a small brush.
In the process of debugging the brush pressure at a certain time, the small brush pressure is required to be (400-450) g, and the large brush pressure is required to be (550-600) g.
In a first step, the brush assembly is fixed to the assembly mounting plate 1 with the fixing screws 9. The test head 6 is fixed to the test end of the dynamometer 3. The load cell is secured to the load cell mounting plate 4 by knurled screws 8 and the test head is aligned with a small brush.
And secondly, loosening the hexagon nut on the electric brush assembly, rotating the fixing screw for fixing the spring, observing the reading of the dynamometer 3, gradually adjusting the elastic force of the spring, changing the contact pressure between the electric brush and the detection head 6, recording the pressure of the electric brush when the pressure of the electric brush is 411g, and screwing the hexagon nut.
And thirdly, loosening the knurled screw 8 and detaching the dynamometer mounting plate 4.
And fourthly, replacing the mounting groove of the dynamometer mounting plate 4 on the mounting plate 1, repeating the steps 1-2 until the brush pressures of all the large and small brushes on the brush assembly are debugged to a qualified range, and checking and recording the pressure in a table 1.
TABLE 1 Brush pressure
Claims (8)
1. A device for measuring the contact pressure of an electric brush is characterized by comprising a mounting assembly and a measuring assembly; the mounting assembly comprises an assembly mounting plate (1) and a support (2), the assembly mounting plate (1) is fixedly arranged on the support (2), and the electric brush assembly is fixedly arranged on the assembly mounting plate (1);
the measuring assembly comprises a dynamometer (3) and a dynamometer mounting plate (4), and the dynamometer (3) is fixedly connected to the assembly mounting plate (1) through the dynamometer mounting plate (4); a detection head (6) of the dynamometer (3) is in contact with a brush of the brush assembly to detect a contact pressure of the brush and the detection head.
2. The brush contact pressure measuring apparatus according to claim 1, wherein the end surface of the detecting head (6) contacting the brush is curved to be in full contact with the brush.
3. The brush contact pressure measuring device according to claim 1, wherein the holder (2) comprises a support plate (7), and the lower end of the assembly mounting plate (1) is fixedly connected with the support plate (7).
4. The brush contact pressure measuring device according to claim 1, wherein the brush assembly is fixedly mounted on the assembly mounting plate (1) by means of a fixing screw (9); the dynamometer (3) is fixedly connected with the dynamometer mounting plate (4) through a knurled screw (8).
5. Brush contact pressure measuring device according to claim 1, characterized in that the dynamometer mounting plate (4) is fixedly connected to the module mounting plate (1) by means of fixing screws (5).
6. Brush contact pressure measuring device according to claim 5, characterized in that the assembly mounting plate (1) is provided with a plurality of mounting slots, and the dynamometer mounting plate (4) is connected to different mounting slots on the assembly mounting plate (1) for adjusting the mounting position of the dynamometer mounting plate (4).
7. A method for adjusting contact pressure of an electric brush, which utilizes the measuring device of any one of claims 1 to 6, wherein the electric brush assembly comprises a fixing spring, a fixing screw, a hexagon nut and the electric brush; the debugging method is characterized by comprising the following steps:
fixedly mounting an electric brush assembly on an assembly mounting plate (1), fixedly connecting a dynamometer (3) to the assembly mounting plate (1) through a dynamometer mounting plate (4), and contacting a detection head (6) of the dynamometer (3) with an electric brush of the electric brush assembly;
adjusting a hexagon nut on the electric brush assembly to release the locking of the fixing screw; rotating a fixing screw for limiting the fixing spring, observing the reading of the dynamometer (3), adjusting the fixing screw to adjust the elastic force of the fixing spring, and changing the contact pressure between the electric brush and the detection head (6); when the contact pressure reaches the specified requirement, the contact pressure is recorded, and the hexagon nut is screwed down to lock the fixing screw.
8. The commissioning method of claim 7, wherein the brush assembly comprises a plurality of brushes; and adjusting the mounting positions of the dynamometer mounting plate (4) and the assembly mounting plate (1) so as to adjust the position of the dynamometer (3) relative to the brush assembly, and measuring and debugging the contact pressure of the dynamometer (3) and the plurality of brushes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911284146.2A CN111044193A (en) | 2019-12-13 | 2019-12-13 | Measuring device and debugging method for contact pressure of electric brush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911284146.2A CN111044193A (en) | 2019-12-13 | 2019-12-13 | Measuring device and debugging method for contact pressure of electric brush |
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| CN111044193A true CN111044193A (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911284146.2A Pending CN111044193A (en) | 2019-12-13 | 2019-12-13 | Measuring device and debugging method for contact pressure of electric brush |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202547836U (en) * | 2011-12-30 | 2012-11-21 | 中国航天科技集团公司第九研究院七一0七厂 | Conductive slip ring brush pressure detection device |
| CN103674377A (en) * | 2012-09-03 | 2014-03-26 | 上海航天测控通信研究所 | Method for detecting contact pressure between conductive slip ring and conductive brush wire |
| CN103837280A (en) * | 2014-03-31 | 2014-06-04 | 常州工学院 | Method and system for measuring contact force of satellite-borne slip ring based on cantilever beam theory |
| CN104807587A (en) * | 2015-04-29 | 2015-07-29 | 安徽江淮汽车股份有限公司 | Automobile gear-shifting force measuring device |
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| JP2017009292A (en) * | 2015-06-16 | 2017-01-12 | 株式会社デンソー | Motor device |
| JP2018013463A (en) * | 2016-07-24 | 2018-01-25 | 株式会社テクノ・ハシモト | Combing measurement device |
| CN108500871A (en) * | 2018-05-08 | 2018-09-07 | 大同新成新材料股份有限公司 | A kind of brush survey tool |
| CN208458910U (en) * | 2018-07-25 | 2019-02-01 | 国营芜湖机械厂 | A kind of tooling measuring brush and potentiometer contact pressure |
| CN109417259A (en) * | 2016-07-19 | 2019-03-01 | 田园 | Brush pressure intelligence control system and brush pressure control system |
| CN208608507U (en) * | 2018-08-01 | 2019-03-15 | 中能动力（北京）滑环设备制造有限公司 | A kind of conducting slip ring structure of quick adjusting slip-ring brush pressure |
| CN110307927A (en) * | 2019-07-22 | 2019-10-08 | 安徽马钢张庄矿业有限责任公司 | A kind of mining engineering pressure detection mechanism |
-
2019
- 2019-12-13 CN CN201911284146.2A patent/CN111044193A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202547836U (en) * | 2011-12-30 | 2012-11-21 | 中国航天科技集团公司第九研究院七一0七厂 | Conductive slip ring brush pressure detection device |
| CN103674377A (en) * | 2012-09-03 | 2014-03-26 | 上海航天测控通信研究所 | Method for detecting contact pressure between conductive slip ring and conductive brush wire |
| CN103837280A (en) * | 2014-03-31 | 2014-06-04 | 常州工学院 | Method and system for measuring contact force of satellite-borne slip ring based on cantilever beam theory |
| CN104807587A (en) * | 2015-04-29 | 2015-07-29 | 安徽江淮汽车股份有限公司 | Automobile gear-shifting force measuring device |
| JP2017009292A (en) * | 2015-06-16 | 2017-01-12 | 株式会社デンソー | Motor device |
| CN205449365U (en) * | 2016-03-16 | 2016-08-10 | 中国电子科技集团公司第二十一研究所 | Accurate rare metal brush elastic pressure detection device |
| CN109417259A (en) * | 2016-07-19 | 2019-03-01 | 田园 | Brush pressure intelligence control system and brush pressure control system |
| JP2018013463A (en) * | 2016-07-24 | 2018-01-25 | 株式会社テクノ・ハシモト | Combing measurement device |
| CN108500871A (en) * | 2018-05-08 | 2018-09-07 | 大同新成新材料股份有限公司 | A kind of brush survey tool |
| CN208458910U (en) * | 2018-07-25 | 2019-02-01 | 国营芜湖机械厂 | A kind of tooling measuring brush and potentiometer contact pressure |
| CN208608507U (en) * | 2018-08-01 | 2019-03-15 | 中能动力（北京）滑环设备制造有限公司 | A kind of conducting slip ring structure of quick adjusting slip-ring brush pressure |
| CN110307927A (en) * | 2019-07-22 | 2019-10-08 | 安徽马钢张庄矿业有限责任公司 | A kind of mining engineering pressure detection mechanism |
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Application publication date: 20200421 |