CN102854464B - Axial force applying device for test of high-power direct-current motor - Google Patents
Axial force applying device for test of high-power direct-current motor Download PDFInfo
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- CN102854464B CN102854464B CN201210316607.1A CN201210316607A CN102854464B CN 102854464 B CN102854464 B CN 102854464B CN 201210316607 A CN201210316607 A CN 201210316607A CN 102854464 B CN102854464 B CN 102854464B
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- shaft coupling
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- motor shaft
- axial force
- motor
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Abstract
The invention particularly discloses an axial force applying device for the test of a high-power alternating current or direct current motor, solving problems that a running state of the motor applied with an axial force can not be represented and detected and test data can not be provided in the existing high-power alternating-current and direct-current motor test. Multiple rotary surfaces which take a shaft center as a center of circle and are arranged at different angles are arranged on edges of a test motor shaft coupling; the diameter of the test motor shaft coupling is greater than that of a load motor shaft coupling; an outer bearing ring clings to any one rotary surface of the test motor shaft coupling; a force applying bearing fixed with the outer bearing ring is arranged at a shaft center of the outer bearing ring; a force arm rod with a rotary shaft penetrating in the middle is fixed in a shaft center of the force applying bearing; a spring scale perpendicular to the force arm rod is connected to the other end of the force arm rod; a transitional rod is connected to the other end of the spring scale; a screw rod is fixed at the other end of the transitional rod; and a screw rod seat is sleeved on the screw rod. The axial force applying device is used for observing and detecting the running state of the motor applied with the axial force in real time.
Description
Technical field
The present invention relates to high-power AC/DC motor test servicing unit, be specially a kind of high-power AC/DC motor test axial force bringing device.
Background technology
In Large-power High-Speed, heavy traction kinematic train, spiral gear is because possessing good meshing performance, larger overlap coefficient, possess stable drive simultaneously, vibrate the features such as little, compact conformation, be widely used the axle stretch end at traction electric machine, but because spiral gear load exists larger axial reaction force to traction electric machine rotating shaft, therefore use its bearing of motor of Helical gear Transmission moment of torsion to bear larger axial force.
The traction electric machine that there is axial force in actual moving process is applied to the load test of certain axial force, detect the running status of motor bearings, for the design selection of motor bearings and assembling, lubrication provide accurate test unit to seem extremely important.
Existing high-power AC and DC motor testing table is when carrying out load test, and experiment electric motor and load motor all adopt various shaft coupling (elastic coupling, diaphragm coupling, universal coupling, nylon pin shaft coupling etc.) and connecting pin to realize the connection of experiment electric motor and load (motor).
Although precisely motor power transmission can be realized reliably, meet experiment electric motor to run under the parameter such as voltage, electric current, rotating speed, moment of torsion of regulation, but this connected mode all cannot the axial force that is subject to when actual motion of reproduction test motor, motor cannot be detected by bearing running status during responsive to axial force, relevant test figure can not be provided.
Summary of the invention
The present invention is in order to the running status that cannot reproduce when solving the test of existing high-power AC/DC motor, detect when motor is subject to responsive to axial force and can not provide the problem of test figure, provides a kind of high-power AC/DC motor test axial force bringing device.
The present invention adopts following technical scheme to realize: high-power AC/DC motor test axial force bringing device, comprise the experiment electric motor shaft coupling and load motor shaft coupling that are connected by connecting pin, the edge of experiment electric motor shaft coupling is the some surfacess of revolution arranged for center of circle different angles with its axle center, and the diameter of experiment electric motor shaft coupling is greater than the diameter of load motor shaft coupling, arbitrary surfaces of revolution of experiment electric motor shaft coupling is glued with bearing outside collar, the axle center place of bearing outside collar is provided with the afterburning bearing fixing with it, the axle center of afterburning bearing is fixed with the arm bar that middle part is installed with rotation axis, the other end of arm bar is connected with the spring balance of perpendicular setting, the other end of spring balance is connected with transiting rod, the other end of transiting rod is fixed with leading screw, on leading screw, cover has leading screw seat.
When applying axial force, rotating threaded shaft moves backward, leading screw drives transiting rod, spring balance stretches, and then drive armed lever is that the center of circle rotates with rotation axis, the afterburning bearing warp beam being arranged on arm bar one end is held outer collar and is produced to extrude with the surfaces of revolution of experiment electric motor shaft coupling and contact, experiment electric motor shaft coupling rotates simultaneously, rely on the effect of friction force to drive forcing shaft to hold to rotate together, both are extruding mutually, realize requirement experiment electric motor being applied to axial force, cannot reproduce when overcoming existing high-power AC/DC motor test, detecting motor by running status during responsive to axial force can not provide the problem of test figure.
Reasonable in design of the present invention is reliable, axial force data when detecting motor test can be read accurately, and Real Time Observation can detect motor by running status during responsive to axial force, and then ensure the design selection of motor bearings and assembling, lubrication provides accurate test unit, has simple, the easy to operate and advantage that cost is low of structure simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: 1-experiment electric motor shaft coupling, 2-load motor shaft coupling, 3-bearing outside collar, the afterburning bearing of 4-, 5-rotation axis, 6-arm bar, 7-spring balance, 8-transiting rod, 9-leading screw, 10-leading screw seat.
Embodiment
High-power AC/DC motor test axial force bringing device, comprise the experiment electric motor shaft coupling 1 and load motor shaft coupling 2 that are connected by connecting pin, the edge of experiment electric motor shaft coupling 1 is the some surfacess of revolution arranged for center of circle different angles with its axle center, and the diameter of experiment electric motor shaft coupling 1 is greater than the diameter of load motor shaft coupling 2, arbitrary surfaces of revolution of experiment electric motor shaft coupling 1 is glued with bearing outside collar 3, the axle center place of bearing outside collar 3 is provided with the afterburning bearing 4 fixing with it, the axle center of afterburning bearing 4 is fixed with the arm bar 6 that middle part is installed with rotation axis 5, the other end of arm bar 6 is connected with the spring balance 7 of perpendicular setting, the other end of spring balance 7 is connected with transiting rod 8, the other end of transiting rod 8 is fixed with leading screw 9, on leading screw 9, cover has leading screw seat 10.
In specific implementation process, afterburning bearing 4 is acted on the ratio to, radial force of regulating shaft on the different surfaces of revolution of experiment electric motor shaft coupling 1; And ensure that the end face of bearing outer ring cover 3 is substantially vertical with the surfaces of revolution of experiment electric motor shaft coupling 1, to the axial force that experiment electric motor shaft coupling 1 applies, bear primarily of rotor bearings at both ends.
In actual mechanical process, the rotation axis 5 of arm bar 6 is selected in the 1:4-1:6 place of arm bar 6, larger pressure (drawing) power can be produced like this.
Claims (1)
1. a high-power AC/DC motor test axial force bringing device, comprise the experiment electric motor shaft coupling (1) and load motor shaft coupling (2) that are connected by connecting pin, it is characterized in that: the edge of experiment electric motor shaft coupling (1) is the some surfacess of revolution arranged for center of circle different angles with its axle center, and the diameter of experiment electric motor shaft coupling (1) is greater than the diameter of load motor shaft coupling (2), arbitrary surfaces of revolution of experiment electric motor shaft coupling (1) is glued with bearing outside collar (3), the axle center place of bearing outside collar (3) is provided with the afterburning bearing (4) fixing with it, the axle center of afterburning bearing (4) is fixed with one end that middle part is installed with the arm bar (6) of rotation axis (5), the other end of arm bar (6) is connected with one end of the spring balance (7) of perpendicular setting, the other end of spring balance (7) is connected with one end of transiting rod (8), the other end of transiting rod (8) is fixed with leading screw (9), the upper cover of leading screw (9) has leading screw seat (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210316607.1A CN102854464B (en) | 2012-08-31 | 2012-08-31 | Axial force applying device for test of high-power direct-current motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210316607.1A CN102854464B (en) | 2012-08-31 | 2012-08-31 | Axial force applying device for test of high-power direct-current motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102854464A CN102854464A (en) | 2013-01-02 |
| CN102854464B true CN102854464B (en) | 2015-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210316607.1A Active CN102854464B (en) | 2012-08-31 | 2012-08-31 | Axial force applying device for test of high-power direct-current motor |
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| CN (1) | CN102854464B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103141917A (en) * | 2013-03-21 | 2013-06-12 | 孙立峰 | Peeling machine for tuber type crops |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101950000A (en) * | 2010-08-14 | 2011-01-19 | 潮州市汇能电机有限公司 | Dragging device for large and medium hydro-generator attribute test |
| CN102004013A (en) * | 2010-11-04 | 2011-04-06 | 吉林大学 | Detection test device of dynamic flexible drive torque |
| CN202083549U (en) * | 2011-05-10 | 2011-12-21 | 江门机械设备（轴承）有限公司 | Device for testing bearing service lifetime |
| CN202758052U (en) * | 2012-08-31 | 2013-02-27 | 永济新时速电机电器有限责任公司 | Axial force applying device for high-power direct current motor test |
-
2012
- 2012-08-31 CN CN201210316607.1A patent/CN102854464B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101950000A (en) * | 2010-08-14 | 2011-01-19 | 潮州市汇能电机有限公司 | Dragging device for large and medium hydro-generator attribute test |
| CN102004013A (en) * | 2010-11-04 | 2011-04-06 | 吉林大学 | Detection test device of dynamic flexible drive torque |
| CN202083549U (en) * | 2011-05-10 | 2011-12-21 | 江门机械设备（轴承）有限公司 | Device for testing bearing service lifetime |
| CN202758052U (en) * | 2012-08-31 | 2013-02-27 | 永济新时速电机电器有限责任公司 | Axial force applying device for high-power direct current motor test |
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| CN102854464A (en) | 2013-01-02 |
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Address after: 044500 Yongji City, Shanxi Province, the city of motor street, No. 18, No. Patentee after: CRRC YONGJI ELECTRIC CO., LTD. Address before: 044500 Yongji City, Shanxi Province, the city of motor street, No. 18, No. Patentee before: Yongji Xinshisu Motor Electrical Appliance Co., Ltd. |