CN111880098A - Motor stalling test detection tool - Google Patents
Motor stalling test detection tool Download PDFInfo
- Publication number
- CN111880098A CN111880098A CN202010922304.9A CN202010922304A CN111880098A CN 111880098 A CN111880098 A CN 111880098A CN 202010922304 A CN202010922304 A CN 202010922304A CN 111880098 A CN111880098 A CN 111880098A
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- China
- Prior art keywords
- motor
- vertical supporting
- plate
- semicircular groove
- round hole
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- 238000012360 testing method Methods 0.000 title claims abstract description 31
- 238000001514 detection method Methods 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 description 10
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
- G01L3/02—Rotary-transmission dynamometers
- G01L3/04—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
Abstract
The invention discloses a detection tool for a motor stalling test, which comprises vertical supporting plates, wherein the vertical supporting plates are fixed on a tool table in parallel, a semicircular groove is formed in one vertical supporting plate, and a shaft hole is formed in the other vertical supporting plate; the motor fixing frame is composed of two side plates and a middle clamping plate, the side plates and the clamping plates are enclosed to form a motor mounting cavity, a round hole is formed in the side plate on one side, the round hole and the semicircular groove of the vertical supporting plate are concentric circles, a plurality of bearings are arranged on the side plate on the outer side of the round hole in a circle center mode around the round hole, the bearings are in contact with the groove wall of the semicircular groove, a connecting rod is arranged on the side plate on the other side, an one-way bearing is arranged on the connecting rod and located in the shaft hole of the. The motor can rotate 360 degrees in the locked rotor test, and the locked rotor stator current and the locked rotor torque of the motor at rated voltage and rated frequency are measured at a full station.
Description
The technical field is as follows:
the invention relates to a motor test tool, in particular to a detection tool for a motor locked rotor test.
Background art:
in the current detection test of the motor, the locked rotor test is carried out by fixing the motor on a test platform and using a dynamometer (including a tension or pressure sensor) or a hysteresis dynamometer, a torque sensor and other devices for measuring locked rotor torque. Because the rotation of the stator inside the motor can influence the measured data when the motor runs, the motor is fixed on the test platform and cannot rotate, and the measured value is the value of the rotor at one position. The tool can enable the motor to rotate 360 degrees in the test process, so that the numerical values of more rotated rotor positions can be obtained, and the test data is more accurate.
Disclosure of Invention
Aiming at the problems, the invention provides a motor locked-rotor test tool, which is designed to enable a motor to rotate for 360 degrees, and the locked-rotor stator current and the locked-rotor torque of the motor at rated voltage and rated frequency are measured at a full station.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a detection tool for a motor locked rotor test comprises a tool table, a vertical supporting plate and a motor fixing frame;
the two vertical supporting plates are fixed on the tooling table in parallel, a semicircular groove is formed in one vertical supporting plate, and a shaft hole is formed in the other vertical supporting plate;
the motor fixing frame is composed of two side plates and a middle clamping plate, the side plates and the clamping plates are enclosed to form a motor mounting cavity, a round hole is formed in the side plate on one side, the round hole and the semicircular groove of the vertical supporting plate are concentric circles, a plurality of bearings are arranged on the side plate on the outer side of the round hole around the circle center of the round hole, the bearings are in contact with the groove wall of the semicircular groove, a connecting rod is arranged on the side plate on the other side, an one-way bearing is arranged on the connecting rod and located in the shaft hole of the vertical supporting.
The further technology of the invention is as follows:
preferably, support pieces are arranged on a plurality of bearings on the outer side of the round hole and are in contact with the wall of the semicircular groove.
Preferably, the support member is an H-shaped structural member, the wall of the semicircular groove is clamped in the H-shaped structural member by utilizing an H-shaped structure, a stepped hole is formed in the H-shaped structural member, the inner diameter of the large hole is equal to the outer diameter of the bearing, and the inner diameter of the small hole is larger than the outer diameter of the rod body connected with the bearing.
Preferably, the rod body structure of the connecting bearing is that one end is provided with threads, and the other end is connected with the bearing and is connected with the side plate through threads.
Preferably, the included angle between the two ends of the groove wall of the semicircular groove is larger than 180 degrees and smaller than 360 degrees.
Has the advantages that:
the motor can rotate 360 degrees in the locked rotor test, and the locked rotor stator current and the locked rotor torque of the motor at rated voltage and rated frequency are measured at a full station.
The test data can be acquired when the motor rotates 30 degrees and 45 degrees in the test process, and the data processing is carried out at the later stage.
Description of the drawings:
in order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts;
FIG. 1 is a general assembly drawing;
FIG. 2 is a view of the vertical support plate on the left side of FIG. 1;
FIG. 3 is a view of the right vertical support plate of FIG. 1;
FIG. 4 is a view of a support structure;
in the figure, 1 is a tooling table, 2 is a vertical supporting plate, 3 is a motor fixing frame, 21 is a semicircular groove, 22 is an axle hole, 31 is a side plate, 32 is a clamping plate, and 33 is a circular hole; 34 is a bearing, 35 is a link, 36 is a side plate, 37 is a turning handle, and 38 is a support.
The specific implementation structure is as follows:
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.
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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Example 1: a detection tool for a motor locked rotor test comprises a tool table 1, a vertical supporting plate 2 and a motor fixing frame 3;
the two vertical supporting plates are fixed on the tool table in parallel, a semicircular groove 21 is formed in one vertical supporting plate (in order to prolong the service life of the tool and improve the safety of testing personnel, a semicircular or ring-shaped fixing device is designed according to the torque of a motor, so that the tool is more stable in the test process, a semicircle is selected, the included angle of two ends of the groove wall of the semicircular groove is larger than 180 degrees and smaller than 360 degrees), and a shaft hole 22 is formed in the other vertical supporting plate;
the motor fixing frame is composed of two side plates 31 and a middle clamping plate 32, the side plates and the clamping plates are enclosed to form a motor mounting cavity, a round hole 33 is formed in the side plate on one side, the round hole and the semicircular groove of the vertical supporting plate are concentric circles, a plurality of bearings 34 are arranged on the side plate on the outer side of the round hole around the circle center of the round hole, a connecting rod 35 is arranged on the side plate on the other side, a one-way bearing 36 is arranged on the connecting rod, the one-way bearing is located in the shaft hole of the vertical supporting plate.
During the experiment, fix piece vertical support plate on the frock platform, the motor is fixed and is enclosed into the motor installation intracavity at curb plate and splint, and the main shaft of motor stretches out from the centre of a circle of round hole, and stalling torque measuring equipment is connected to the main shaft of motor, and at the success of a test data acquisition, the handle in manual rotation rear lets the motor rotate certain angle, gathers again, goes on repeatedly.
Because the torque of the direct current motor is smaller and the maximum torque is 60N, the one-way bearing is arranged in the rotating assembly of the detection tool of the motor, in the test, one side of the circumferential force is blocking force, the other side of the circumferential force is one-way bearing force, and because one side of the one-way bearing cannot rotate, the force of about 10kg is manually overcome when the one-way bearing rotates, the motor is rotated, and the safety accident caused by the rotation of the motor is avoided.
And supporting pieces 38 are arranged on a plurality of bearings outside the round holes and are in contact with the wall of the semicircular groove.
The support member is specifically an H-shaped structural member, and the groove wall of the semicircular groove is clamped in the H-shaped structural member by utilizing an H-shaped structure, a stepped hole is formed in the H-shaped structural member, the inner diameter of a large hole is equal to the outer diameter of a bearing, and the inner diameter of a small hole is larger than the outer diameter of a rod body connected with the bearing.
The rod body structure of connecting the bearing is that one end has the screw thread, and the bearing is connected to the other end, through threaded connection on the curb plate.
The supporting piece at the front end of the motor tool is designed according to the weight and the moment of the motor, and 3 rollers are designed in the figure, and bearings are arranged in the rollers (for example, the number of the rollers can be increased due to overlarge power and moment, and a track is designed to be a closed circle). The stability of the tool is improved in the test, and the test is better carried out.
In order to prolong the service life of the tool and improve the safety of testing personnel, a semicircular or annular fixing device is designed according to the torque of the motor, so that the tool is more stable in the testing process.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a motor stalling test's detection frock which characterized in that: the device comprises a tool table, a vertical supporting plate and a motor fixing frame;
the two vertical supporting plates are fixed on the tooling table in parallel, a semicircular groove is formed in one vertical supporting plate, and a shaft hole is formed in the other vertical supporting plate;
the motor fixing frame is composed of two side plates and a middle clamping plate, the side plates and the clamping plates are enclosed to form a motor mounting cavity, a round hole is formed in the side plate on one side, the round hole and the semicircular groove of the vertical supporting plate are concentric circles, a plurality of bearings are arranged on the side plate on the outer side of the round hole around the circle center of the round hole, the bearings are in contact with the groove wall of the semicircular groove, a connecting rod is arranged on the side plate on the other side, an one-way bearing is arranged on the connecting rod and located in the shaft hole of the vertical supporting.
2. The detection tool for the locked-rotor test of the motor according to claim 1, characterized in that: and supporting pieces are arranged on the bearings outside the round holes and are in contact with the wall of the semicircular groove.
3. The detection tool for the locked rotor test of the motor according to claim/2, characterized in that: the support member is specifically an H-shaped structural member, and the groove wall of the semicircular groove is clamped in the H-shaped structural member by utilizing an H-shaped structure, a stepped hole is formed in the H-shaped structural member, the inner diameter of a large hole is equal to the outer diameter of a bearing, and the inner diameter of a small hole is larger than the outer diameter of a rod body connected with the bearing.
4. The detection tool for the locked rotor test of the motor according to claim 3, characterized in that: the rod body structure of connecting the bearing is that one end has the screw thread, and the bearing is connected to the other end, through threaded connection on the curb plate.
5. The detection tool for the locked-rotor test of the motor according to claim 1, characterized in that: the included angle of the two ends of the groove wall of the semicircular groove is larger than 180 degrees and smaller than 360 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010922304.9A CN111880098B (en) | 2020-09-04 | 2020-09-04 | Detection tool for motor locked rotor test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010922304.9A CN111880098B (en) | 2020-09-04 | 2020-09-04 | Detection tool for motor locked rotor test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111880098A true CN111880098A (en) | 2020-11-03 |
| CN111880098B CN111880098B (en) | 2024-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010922304.9A Active CN111880098B (en) | 2020-09-04 | 2020-09-04 | Detection tool for motor locked rotor test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111880098B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112763114A (en) * | 2020-12-03 | 2021-05-07 | 北京航空航天大学宁波创新研究院 | Stalling torque testing device and method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206074767U (en) * | 2016-08-28 | 2017-04-05 | 南京高崎电机有限公司 | A kind of motor rotation blockage assay device |
| CN108983098A (en) * | 2018-08-15 | 2018-12-11 | 上海市特种设备监督检验技术研究院 | A kind of braking motor pilot system |
| CN109132836A (en) * | 2018-11-05 | 2019-01-04 | 成都天马精密机械有限公司 | Large size bearing hanging apparatus and its suspender |
| CN211061657U (en) * | 2019-06-29 | 2020-07-21 | 高夫环 | Locked rotor testing tool for driving motor |
| CN211374985U (en) * | 2019-10-17 | 2020-08-28 | 中国机械设备工程股份有限公司 | Motor stalling test structure |
| US20200363277A1 (en) * | 2018-02-05 | 2020-11-19 | Rototest International Ab | Method and apparatus for dynamometer testing of a motor vehicle |
| CN212301786U (en) * | 2020-09-04 | 2021-01-05 | 安徽省电机产品及零部件质量监督检验中心 | Motor stalling test detection tool |
-
2020
- 2020-09-04 CN CN202010922304.9A patent/CN111880098B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206074767U (en) * | 2016-08-28 | 2017-04-05 | 南京高崎电机有限公司 | A kind of motor rotation blockage assay device |
| US20200363277A1 (en) * | 2018-02-05 | 2020-11-19 | Rototest International Ab | Method and apparatus for dynamometer testing of a motor vehicle |
| CN108983098A (en) * | 2018-08-15 | 2018-12-11 | 上海市特种设备监督检验技术研究院 | A kind of braking motor pilot system |
| CN109132836A (en) * | 2018-11-05 | 2019-01-04 | 成都天马精密机械有限公司 | Large size bearing hanging apparatus and its suspender |
| CN211061657U (en) * | 2019-06-29 | 2020-07-21 | 高夫环 | Locked rotor testing tool for driving motor |
| CN211374985U (en) * | 2019-10-17 | 2020-08-28 | 中国机械设备工程股份有限公司 | Motor stalling test structure |
| CN212301786U (en) * | 2020-09-04 | 2021-01-05 | 安徽省电机产品及零部件质量监督检验中心 | Motor stalling test detection tool |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112763114A (en) * | 2020-12-03 | 2021-05-07 | 北京航空航天大学宁波创新研究院 | Stalling torque testing device and method |
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| CN111880098B (en) | 2024-09-03 |
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