CN110865303A - Magnetic damping type motor life testing device - Google Patents
Magnetic damping type motor life testing device Download PDFInfo
- Publication number
- CN110865303A CN110865303A CN201911170309.4A CN201911170309A CN110865303A CN 110865303 A CN110865303 A CN 110865303A CN 201911170309 A CN201911170309 A CN 201911170309A CN 110865303 A CN110865303 A CN 110865303A
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- output shaft
- magnetic
- motor
- sleeve
- magnetic damper
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- 238000012360 testing method Methods 0.000 title claims abstract description 23
- 238000013016 damping Methods 0.000 title claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/28—Provision in measuring instruments for reference values, e.g. standard voltage, standard waveform
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
- G01R31/343—Testing dynamo-electric machines in operation
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention relates to a magnetic damping type motor service life testing device. Comprises a connecting sleeve, a flat key, a transmission sleeve, a fixing plate, a bottom plate, a magnetic damper and a connecting plate; the fixing plate is vertically arranged on the bottom plate through screws to form a base supporting system, and positioning holes are formed in the fixing plate; the magnetic damper is fixed on one side of the fixing plate through a screw; the output shaft of the magnetic damper penetrates through the positioning hole to extend to the other side of the fixing plate; an output shaft of the magnetic damper is matched with one end of the transmission sleeve through a flat key; the other end of the transmission sleeve is matched with an output shaft of the motor; positioning bosses are respectively arranged on two sides of the connecting plate, the boss on one side of the connecting plate is matched with the positioning hole of the magnetic damper, and the boss on the other side of the connecting plate is matched with the inner hole of the connecting sleeve; the connecting sleeve comprises a circular ring part, a plurality of supporting legs extend out of the end face of one end of the circular ring part, the supporting legs are fixed with the connecting plate, and the motor is installed on the end face of the other end of the circular ring part. The invention has the advantages of adjustable load, no motor scrap, high reliability and convenient structure replacement.
Description
Technical Field
The invention belongs to the field of product reliability testing, and particularly relates to a magnetic damping type motor service life testing device which is a convenient and reliable testing device for the processes of scheme verification in the early stage of development of a new motor product, subsequent product design, process change and the like.
Background
For testing the service life of a magnetic damping type motor, the currently common method comprises the steps that a motor manufacturer adopts a motor pair, a dynamometer, a client end actual application service life test and the like. The former two methods have limitations, but the service life test cost is high, the dragged motor can only be scrapped after the test is finished, so that the problem of the accuracy reduction and even the damage of dynamometer equipment is caused, and the test method of practical application can not be carried out under the condition that a client can not provide terminal application.
Disclosure of Invention
The invention provides a magnetic damping type motor service life testing device, which is adjustable in load, capable of avoiding limitation, free of motor scrap and free of dynamometer equipment cost; the testing device belongs to a mechanical structure, has high reliability, is convenient to replace the structure and has low use and maintenance cost.
In order to solve the technical problem, the invention provides a magnetic damping type motor service life testing device which comprises a connecting sleeve, a flat key, a transmission sleeve, a fixing plate, a bottom plate, a magnetic damper and a connecting plate, wherein the connecting sleeve is fixedly connected with the flat key;
the fixing plate is vertically arranged on the bottom plate through screws to form a base supporting system, and positioning holes are formed in the fixing plate;
the magnetic damper is fixed on one side of the fixing plate through a screw; the output shaft of the magnetic damper penetrates through the positioning hole to extend to the other side of the fixing plate; an output shaft of the magnetic damper is matched with one end of the transmission sleeve through a flat key; the other end of the transmission sleeve is matched with an output shaft of the motor;
positioning bosses are respectively arranged on two sides of the connecting plate, the boss on one side of the connecting plate is matched with the positioning hole of the magnetic damper, and the boss on the other side of the connecting plate is matched with the inner hole of the connecting sleeve;
the connecting sleeve comprises a circular ring part, a plurality of supporting legs extend out of the end face of one end of the circular ring part, the supporting legs are fixed with the connecting plate, and the motor is installed on the end face of the other end of the circular ring part.
Preferably, the output shaft of the magnetic damper is provided with a groove matched with one end of the flat key; the other end of the flat key is matched with one end of the transmission sleeve, the other end of the transmission sleeve is matched with the output shaft of the motor, and the output shaft of the magnetic damper is connected with the output shaft of the motor sequentially through the flat key and the transmission sleeve to realize load transmission.
Preferably, the output shaft of the motor is inserted into the connecting sleeve and fixed by a screw arranged on the side wall of the connecting sleeve, so that the power source is fixed.
Preferably, the magnetic damper surface is provided with a load scale size display for load size adjustment.
Preferably, the output shaft of the magnetic damper is in clearance fit with one end of the transmission sleeve through a flat key.
Preferably, the bosses on the two sides of the connecting plate are matched with the connecting sleeve and the magnetic damper in a positioning manner, so that the connection is concentric.
Compared with the prior art, the invention has the remarkable advantages that:
(1) the invention adopts the connection of the screw and the connecting sleeve, and is convenient to maintain and disassemble;
(2) the magnetic damper with adjustable load is adopted, the application range is wide, and the requirements of motors with different sizes can be met;
(3) the magnetic damper only needs to be replaced after being damaged, so that the cost is low;
(4) the invention is ensured by a mechanical structure, has stable load and long service life.
For other advantages not mentioned, reference will be made in the detailed description to the claims.
Drawings
Fig. 1 is a schematic view of an assembly of a magnetic damping type motor life testing device according to the present invention.
Fig. 2 is a schematic view of the connection structure of the present invention.
Fig. 3 is a schematic view of the magnetic damper fixing of the present invention.
Fig. 4 is a schematic view of a magnetic damper of the present invention.
FIG. 5 is a schematic view of a connection plate according to the present invention.
Fig. 6 is a schematic view of the connecting sleeve of the invention.
Reference numerals: a motor 1; a socket head cap screw 2; a connecting sleeve 3; a flat bond 4; a transmission sleeve 5; a cross recessed pan head screw 6; a fixed plate 7; a bottom plate 8; a magnetic damper 9; a set screw 10; a connecting plate 11.
Detailed Description
It is easily understood that various embodiments of the present invention can be conceived by those skilled in the art according to the technical solution of the present invention without changing the essential spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical aspects of the present invention, and should not be construed as all of the present invention or as limitations or limitations on the technical aspects of the present invention.
With the attached drawings, the magnetic damping type motor service life testing device is composed of a motor 1, an inner hexagonal socket head cap screw 2, a connecting sleeve 3, a flat key 4, a transmission sleeve 5, a cross-shaped groove screw 6, a fixing plate 7, a bottom plate 8, a magnetic damper 9, a set screw 10 and a connecting plate 11.
The fixing plate 7 is vertically fixed on the bottom plate 8 through screws to form a base supporting system, and the fixing plate 7 is provided with a positioning hole. The magnetic damper 9 is fixed on one side of the fixing plate 7 by screws, so that the load device is fixed. The output shaft of the magnetic damper 9 passes through the positioning hole and extends to the other side of the fixing plate 7. The output shaft of the magnetic damper 9 is provided with a groove matched with one end of the flat key 4. The other end of the flat key 4 is matched with one end of the transmission sleeve 5. The other end of the transmission sleeve 5 is matched with the output shaft of the motor. The output shaft of the magnetic damper 9 is connected with the output shaft of the motor through the flat key 4 and the transmission sleeve 5 in sequence, so that load transmission is realized.
Positioning bosses are respectively arranged on two sides of the connecting plate 11, the boss on one side of the connecting plate 11 is matched with the positioning hole of the magnetic damper 9, and the other side of the connecting plate 11 is matched with the inner hole of the connecting sleeve 3 to ensure that two ends are concentric. The connecting sleeve 3 comprises a circular ring, and a plurality of supporting legs extend out of the end face of one end of the circular ring. The motor 1 is fastened and connected on the other end face of the connecting sleeve 3 through an inner hexagonal socket head cap screw 2. The output shaft of the motor 1 is inserted into the connecting sleeve 3 and fixed by a cross-shaped groove pan head screw 6 arranged on the side wall of the connecting sleeve 3, so that the power source fixation is realized.
The magnetic damper 9 has load scale size display on the surface, can realize load size adjustment, has an adjustable range from 0 to 10N.m, has wide applicability, and is locked by a set screw 10 after being adjusted;
an output shaft of the magnetic damper 9 is in clearance fit with one end of the transmission sleeve 5 through the flat key 4, so that the quick replacement and the maintenance are convenient, and an output shaft of the motor 1 and the other end of the transmission sleeve 5 are fixed through a cross pan head screw 6, so that the replacement of the motor is convenient;
bosses are arranged on two sides of the connecting plate 11 to realize positioning fit with the connecting sleeve 3 and the magnetic damper 9, so that the connection is concentric;
a plurality of supporting legs arranged on the connecting sleeve 3 form a gap groove, so that the cross-groove pan head screw 6 can be conveniently fastened and the running condition of the motor can be observed. The connecting plate 11 is fixed on the fixing plate 7 through screws, and how the connecting sleeve 3 is fixed with the fixing plate 7. Specifically, a screw is threaded from the back of the fixing plate 7, and is locked on a supporting leg of the connecting sleeve 3 through threaded connection after penetrating through the connecting plate 11, the supporting leg of the connecting sleeve 3 is tapped with a screw thread, and the fixing plate 7, the connecting plate 11 and the connecting sleeve are directly locked by the screw.
The connecting plate is provided with a positioning boss for ensuring the output shaft of the damper to be concentric with the connecting plate; the other side of the connecting plate is provided with a positioning boss which is assembled concentrically with the connecting sleeve, so that the output shaft of the motor is ensured to be concentrically connected with the output shaft of the damper after the motor is fixed; the magnetic damper load transmission is connected with the output shaft of the motor through the flat key and the connecting sleeve by the screw, so that the magnetic damper is convenient to disassemble and maintain.
The magnetic damper provides load for the motor, is mainly used for testing the service life of the motor, can test motors with different sizes due to adjustable load, has wide application range, is convenient for mobile management, has high reliability and low use cost, and provides a very practical and simple detection device in the early development or design and process change processes of new products.
Claims (6)
1. A magnetic damping type motor service life testing device is characterized by comprising a connecting sleeve (3), a flat key (4), a transmission sleeve (5), a fixing plate (7), a bottom plate (8), a magnetic damper (9) and a connecting plate (11);
the fixing plate (7) is vertically arranged on the bottom plate (8) through screws to form a base supporting system, and the fixing plate (7) is provided with a positioning hole;
the magnetic damper (9) is fixed on one side of the fixing plate (7) through a screw; an output shaft of the magnetic damper (9) penetrates through the positioning hole and extends to the other side of the fixing plate (7); an output shaft of the magnetic damper (9) is matched with one end of the transmission sleeve (5) through a flat key (4); the other end of the transmission sleeve (5) is matched with an output shaft of the motor;
positioning bosses are respectively arranged on two sides of the connecting plate (11), the boss on one side of the connecting plate (11) is matched with the positioning hole of the magnetic damper (9), and the other side of the connecting plate (11) is matched with the inner hole of the connecting sleeve (3);
the connecting sleeve (3) comprises a circular ring part, a plurality of supporting legs extend out of the end face of one end of the circular ring part, the supporting legs are fixed with the connecting plate (11), and the motor (1) is installed on the end face of the other end of the circular ring part.
2. A magnetic damping type motor life test device as claimed in claim 1, characterized in that the output shaft of the magnetic damper (9) is provided with a groove fitted with one end of the flat key (4); the other end of the flat key (4) is matched with one end of the transmission sleeve (5), the other end of the transmission sleeve (5) is matched with the output shaft of the motor, and the output shaft of the magnetic damper (9) is connected with the output shaft of the motor sequentially through the flat key (4) and the transmission sleeve (5) to realize load transmission.
3. A magnetic damping type motor life testing device as claimed in claim 2, characterized in that the output shaft of the motor (1) is inserted into the connecting sleeve (3) and fixed by a screw (6) mounted on the side wall of the connecting sleeve (3) to realize power source fixation.
4. A magnetic-damped motor life testing device as claimed in claim 2, characterized in that the magnetic damper (9) has a load scale size display on its surface for load size adjustment.
5. A magnetic damping motor life test device as claimed in claim 2, characterized in that the output shaft of the magnetic damper (9) is in clearance fit with one end of the drive sleeve (5) by means of a flat key (4).
6. A magnetic damping type motor life testing device as claimed in claim 2, characterized in that the bosses on both sides of the connecting plate (11) are in positioning fit with the connecting sleeve (3) and the magnetic damper (9) to ensure the connection to be concentric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911170309.4A CN110865303A (en) | 2019-11-26 | 2019-11-26 | Magnetic damping type motor life testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911170309.4A CN110865303A (en) | 2019-11-26 | 2019-11-26 | Magnetic damping type motor life testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110865303A true CN110865303A (en) | 2020-03-06 |
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ID=69656180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911170309.4A Pending CN110865303A (en) | 2019-11-26 | 2019-11-26 | Magnetic damping type motor life testing device |
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| Country | Link |
|---|---|
| CN (1) | CN110865303A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201034789Y (en) * | 2007-02-06 | 2008-03-12 | 中国船舶重工集团公司第七一一研究所 | Wring vibrate test system detecting calibrating equipment |
| CN103968985A (en) * | 2014-05-22 | 2014-08-06 | 深圳万讯自控股份有限公司 | Alternating-current dynamometer |
| CN204989422U (en) * | 2015-09-09 | 2016-01-20 | 浙江捷昌线性驱动科技股份有限公司 | A magnetic damper frock for testing motor load |
| CN205720581U (en) * | 2016-04-25 | 2016-11-23 | 东莞市景瑜实业有限公司 | A kind of motor comprehensive test instrument |
| CN106907368A (en) * | 2017-04-28 | 2017-06-30 | 郑州华晶金刚石股份有限公司 | The full-automatic pressure relief device of super-pressure |
| CN206740397U (en) * | 2017-03-16 | 2017-12-12 | 浙江捷昌线性驱动科技股份有限公司 | Brake braking quality life test frock |
| CN108286644A (en) * | 2017-12-11 | 2018-07-17 | 中国矿业大学 | Integrated device is turned up in a kind of hydraulic electric joint debugging bearing for optical main mirror processing |
| CN108594115A (en) * | 2018-07-04 | 2018-09-28 | 中国计量大学 | A kind of small-power brshless DC motor power measurement arrangement and its test system |
| CN109612721A (en) * | 2018-12-18 | 2019-04-12 | 济南大学 | A kind of replaceable model RV retarder comprehensive test platform of open type |
| CN208780794U (en) * | 2018-07-11 | 2019-04-23 | 无锡忻润汽车安全系统有限公司 | The electric machine testing device of adjustable rotary load is provided |
| CN211293176U (en) * | 2019-11-26 | 2020-08-18 | 南京沃特电机有限公司 | Magnetic damping type motor life testing device |
-
2019
- 2019-11-26 CN CN201911170309.4A patent/CN110865303A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201034789Y (en) * | 2007-02-06 | 2008-03-12 | 中国船舶重工集团公司第七一一研究所 | Wring vibrate test system detecting calibrating equipment |
| CN103968985A (en) * | 2014-05-22 | 2014-08-06 | 深圳万讯自控股份有限公司 | Alternating-current dynamometer |
| CN204989422U (en) * | 2015-09-09 | 2016-01-20 | 浙江捷昌线性驱动科技股份有限公司 | A magnetic damper frock for testing motor load |
| CN205720581U (en) * | 2016-04-25 | 2016-11-23 | 东莞市景瑜实业有限公司 | A kind of motor comprehensive test instrument |
| CN206740397U (en) * | 2017-03-16 | 2017-12-12 | 浙江捷昌线性驱动科技股份有限公司 | Brake braking quality life test frock |
| CN106907368A (en) * | 2017-04-28 | 2017-06-30 | 郑州华晶金刚石股份有限公司 | The full-automatic pressure relief device of super-pressure |
| CN108286644A (en) * | 2017-12-11 | 2018-07-17 | 中国矿业大学 | Integrated device is turned up in a kind of hydraulic electric joint debugging bearing for optical main mirror processing |
| CN108594115A (en) * | 2018-07-04 | 2018-09-28 | 中国计量大学 | A kind of small-power brshless DC motor power measurement arrangement and its test system |
| CN208780794U (en) * | 2018-07-11 | 2019-04-23 | 无锡忻润汽车安全系统有限公司 | The electric machine testing device of adjustable rotary load is provided |
| CN109612721A (en) * | 2018-12-18 | 2019-04-12 | 济南大学 | A kind of replaceable model RV retarder comprehensive test platform of open type |
| CN211293176U (en) * | 2019-11-26 | 2020-08-18 | 南京沃特电机有限公司 | Magnetic damping type motor life testing device |
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