CN203191127U - Positioning torque measuring device - Google Patents
Positioning torque measuring device Download PDFInfo
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- CN203191127U CN203191127U CN 201220349007 CN201220349007U CN203191127U CN 203191127 U CN203191127 U CN 203191127U CN 201220349007 CN201220349007 CN 201220349007 CN 201220349007 U CN201220349007 U CN 201220349007U CN 203191127 U CN203191127 U CN 203191127U
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Abstract
The utility model discloses a positioning torque measuring device. The positioning torque measuring device comprises a test platform, a servo motor, a shaft coupling, a supporting bearing, a connecting shaft, a chuck, a measured motor, a torquemeter, a positioning frame, a photoelectric encoder, a data acquisition card and an upper computer. An output shaft of the servo motor is connected with one end of the connecting shaft through the shaft coupling, and the other end of the connecting shaft is connected with the chuck and is in interference fit with an inner hole of the chuck; the middle of the connecting shaft is provided with the supporting bearing and is in interference fit with an inner hole of the supporting bearing; the casing of the measured motor is clamped by an upper clamping claw of the chuck; an output shaft of the measured motor is connected with an output shaft of one end of the torquemeter through the torquemeter; an output shaft of the other end of the torquemeter is fixed on the positioning frame which can move horizontally on the test platform; the data acquisition card acquires angle displacement signals outputted by the photoelectric encoder and positioning torque signals outputted by the torquemeter simultaneously, and transmits the angle displacement signals and the positioning torque signals to the upper computer; and the upper computer processes the above signals.
Description
Technical field
The utility model relates to a kind of motor measurement mechanism, particularly a kind of proving installation of magneto location torque.
Background technology
In magneto, interact between rotor (stator) permanent magnet and stator (rotor) groove, magnetic flux is always desired to pass through along the path of magnetic conductance maximum, rotor always tries hard to align with some specific position of stator, and make the magnetic conductance maximum of these positions, and therefore having produced the teeth groove location torque, location torque presents cyclic swing, can cause the fluctuation of motor torque and rotating speed and the noise and vibration of motor, affect for the accurate control of motor.Therefore the size of location torque becomes an important indicator of evaluating permanent magnet motors performance, also provides valuable information for the control of magneto simultaneously, accurately, measurement and positioning torque easily then becomes necessary.
In the conventional electric machine testing device, servomotor be connected by measured motor and torque gauge are coaxial, servomotor is loaded, tested electrical power produces electromagnetic torque and drags the servomotor rotation, can obtain by output torque and the rotating speed of measured motor by torque gauge, if the location torque with this device to test magneto, because the location torque that the pulsation of the electromagnetic torque that produces behind the tested electrical power and servomotor itself exist or the interference of other torque are difficult to measure accurately location torque.
Summary of the invention
For accurately measuring the location torque of magneto, the utility model proposes a kind of novel location torque measurement mechanism, this device comprises: test platform, servomotor, shaft coupling, spring bearing, coupling shaft, chuck, by measured motor, torque gauge, locating rack, photoelectric encoder, data collecting card and host computer.The servomotor shaft links to each other by shaft coupling with coupling shaft one end, and the coupling shaft other end connects chuck, and with chuck endoporus interference fit, spring bearing is installed, and coupling shaft and spring bearing endoporus interference fit in the middle of the coupling shaft.Tested motor housing is by the clamping of chuck upper clipping claw, and the claw on the chuck is distributed in chuck, and can radially equidistant movement.Tested Motor Shaft brings out axle with torque gauge one and is connected by shaft coupling, torque gauge other end shaft is fixed in the locating rack that can move horizontally at test platform, data collecting card is gathered the angular displacement signal of photoelectric encoder output and the location torque signal of torque gauge output simultaneously, and sending to host computer, host computer is handled above collection signal.
Test platform, servomotor, shaft coupling, spring bearing, coupling shaft, chuck, by measured motor, torque gauge, locating rack, data collecting card and host computer.Package unit is installed on test platform, servomotor provides power for proving installation, and accept the PC control angle displacement, its shaft is connected by shaft coupling with a coupling shaft, pass a spring bearing in the middle of the described coupling shaft, with spring bearing endoporus interference fit, spring bearing is fixed in test platform, the coupling shaft other end is connected with a chuck, and connected mode is coupling shaft and chuck endoporus interference fit, and described chuck can step up tested motor housing by claw, described claw is distributed in chuck, and can radially equidistant movement, have self centering effect, it is concentric with chuck and coupling shaft therefore can to guarantee to be held motor.After being clamped by chuck by measured motor, its shaft is connected by a shaft coupling with torque gauge one side shaft, torque gauge opposite side shaft is fixed in a locating rack, and described locating rack can move horizontally at test platform, with the adjusting torque gauge and by the relative position of measured motor.Host computer is used for controlling the anglec of rotation of servomotor and carries out analysis, record and the demonstration of sampled data, and data collecting card is used for gathering automatically the rotary angle signal of servomotor and the dtc signal of torque gauge, and delivers to host computer and handle.
The measurement mechanism of the location torque that the utility model proposes, be primarily characterized in that, tested machine shaft is connected by shaft coupling with the torque gauge shaft and keeps static, tested motor stator then dragged by servomotor and with rotor generation relative angular displacement, measure in real time in rotating shaft output and by torque gauge with the location torque that this relative angular displacement changes, device medium power system directly acts on tested motor stator, can the measurement of location torque not impacted fully.Package unit is controlled by host computer, and position and the dtc signal by the sensor collection processed and displayed.
The advantage of this device is:
1, accurately measurement and positioning torque;
2, adopt automatic data collection and output, it is convenient, efficient to measure.
Description of drawings
Accompanying drawing 1 is the composition synoptic diagram of the location torque measurement mechanism that the utility model proposes
Embodiment
Specific implementation method of the present utility model is as follows:
With reference to Fig. 1, the location torque measurement mechanism that the utility model proposes, by test platform 13, servomotor 1, shaft coupling 2, spring bearing 4, coupling shaft 5, chuck 6, by measured motor 8, torque gauge 11, locating rack 12, photoelectric encoder 14, data collecting card 15, host computer 16 is formed, test platform 13 is other mounting platforms of location torque measurement mechanism miscellaneous part, the shaft 3 of servomotor 1 is connected by shaft coupling 2 with coupling shaft 5, install in the middle of the coupling shaft 5 spring bearings 4 and with spring bearing 4 endoporus phase interference fit, coupling shaft 5 opposite sides connect chuck 6, and with chuck 6 endoporus interference fit, claw on the chuck 6 is by the shell of radially equidistant mobile double-layered quilt measured motor 8, tested Motor Shaft 9 is connected by shaft coupling 2 with torque gauge 11 measuring junction shafts, torque gauge 11 other end shafts are fixed in locating rack 12, locating rack 12 can move horizontally at test platform 13, with adjusting torque gauge 11 and by the spacing of measured motor 8.For obtaining the actual displacement angle of servomotor, at servomotor 1 photoelectric encoder 14 is installed, host computer 16 is used for controlling the anglec of rotation of servomotor 1 and sampled data is analyzed, recorded and shows, data collecting card 15 is used for gathering automatically the rotary angle signal of photoelectric encoder 14 on the servomotor 1 and the dtc signal of torque gauge 11, and delivers to host computer and handle.
More than in the device, servomotor 1 connects clamping by the chuck 6 of measured motor 8 usefulness by coupling shaft 5, because chuck 6 is heavier, thus in the middle of coupling shaft 5, support with spring bearing 4, with the holding device balance.Claw 7 on the chuck 6 is distributed in chuck 6, and can radially equidistant movement, has self centering effect, can be guaranteed by measured motor 8 concentric with chuck 6 and coupling shaft 5 with claw 7 clampings substantially by measured motor 8.The principal character of this device is, dragged rotation by the stator of measured motor 8 by servomotor 1, and tested Motor Shaft 9 is fixed in torque gauge 2 shafts by shaft coupling 2, when servomotor 1 drags by measured motor 8, dragging moment of torsion directly acts on by the stator of measured motor 8, and the measurement of the location torque of tested Motor Shaft 9 outputs is had no effect, when measuring, directly dragged by servomotor 1 by measured motor 8 simultaneously and self do not produce electromagnetic torque, measurement to location torque does not form any interference like this, based on above 2 points, this device can be realized the accurate measurement of location torque.
This device course of work is as follows:
At first step up by measured motor 8 with chuck 6 upper clipping claws 7, running fix frame 12 makes torque gauge 11 measuring junction shafts close by measured motor 8 shafts, both shafts connect with one heart by shaft coupling 2, after finishing above work, send the angular displacement instruction by host computer 16 to servomotor 1, control servomotor 1 low speed and at the uniform velocity rotating for one to two week, rotated with angle by measured motor 8 and servomotor 1 simultaneously, produced relative angular displacement between measured motor 8 stators and rotor, the photoelectric encoder 14 that relative angular displacement can be installed in servomotor 1 detects in real time, and location torque changes with this relative angular displacement and detected in real time by torque gauge 11.Data collecting card 15 is gathered in real time and is detected angular displacement and location torque signal by photoelectric encoder and torque gauge respectively in the work, and send to host computer in real time, record each angular displacement and location torque numerical value constantly by host computer, dynamic drafting goes out location torque with the change curve of angular displacement, by measured motor 8 by servomotor 1 drag just can be complete after two weeks that rotated a circle measure by the location torque of measured motor 8 at all rotor relative positions, and can draw out location torque complete change procedure in one-period.
Claims (4)
1. location torque measurement mechanism, comprise test platform, servomotor, shaft coupling, spring bearing, coupling shaft, chuck, by measured motor, torque gauge, locating rack, photoelectric encoder, data collecting card and host computer, it is characterized in that: the servomotor shaft links to each other by shaft coupling with coupling shaft one end, the coupling shaft other end connects chuck, spring bearing is installed in the middle of the coupling shaft, tested motor housing is by the clamping of chuck upper clipping claw, tested Motor Shaft brings out axle with torque gauge one and is connected by shaft coupling, torque gauge other end shaft is fixed in the locating rack that can move horizontally at test platform, data collecting card is gathered the angular displacement signal of photoelectric encoder output and the location torque signal of torque gauge output simultaneously, and sending to host computer, host computer is handled above collection signal.
2. location torque measurement mechanism as claimed in claim 1 is characterized in that, described coupling shaft, one end and chuck endoporus interference fit.
3. location torque measurement mechanism as claimed in claim 1 or 2 is characterized in that, described coupling shaft and spring bearing endoporus interference fit.
4. location torque measurement mechanism as claimed in claim 1 is characterized in that, the claw on the described chuck is distributed in chuck, and can radially equidistant movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220349007 CN203191127U (en) | 2012-07-13 | 2012-07-13 | Positioning torque measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220349007 CN203191127U (en) | 2012-07-13 | 2012-07-13 | Positioning torque measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203191127U true CN203191127U (en) | 2013-09-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220349007 Expired - Fee Related CN203191127U (en) | 2012-07-13 | 2012-07-13 | Positioning torque measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203191127U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105021377A (en) * | 2014-04-15 | 2015-11-04 | 江苏神通阀门股份有限公司 | Moveable torque testing device |
| CN105092131A (en) * | 2015-08-20 | 2015-11-25 | 苏州听毅华自动化设备有限公司 | Torsion testing mechanism |
| CN111089666A (en) * | 2020-01-02 | 2020-05-01 | 浙江工业大学 | Permanent magnet type torque signal conversion device |
| CN114323377A (en) * | 2021-12-24 | 2022-04-12 | 阿米检测技术有限公司 | Torque measuring method and torque measuring device |
| CN114705984A (en) * | 2022-03-25 | 2022-07-05 | 浙江工业大学 | Comprehensive experimental system for performance test of small outer rotor motor |
-
2012
- 2012-07-13 CN CN 201220349007 patent/CN203191127U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105021377A (en) * | 2014-04-15 | 2015-11-04 | 江苏神通阀门股份有限公司 | Moveable torque testing device |
| CN105092131A (en) * | 2015-08-20 | 2015-11-25 | 苏州听毅华自动化设备有限公司 | Torsion testing mechanism |
| CN111089666A (en) * | 2020-01-02 | 2020-05-01 | 浙江工业大学 | Permanent magnet type torque signal conversion device |
| CN111089666B (en) * | 2020-01-02 | 2024-06-11 | 浙江工业大学 | Permanent magnet type torque signal conversion device |
| CN114323377A (en) * | 2021-12-24 | 2022-04-12 | 阿米检测技术有限公司 | Torque measuring method and torque measuring device |
| CN114323377B (en) * | 2021-12-24 | 2024-01-19 | 阿米检测技术有限公司 | Torque measuring method and torque measuring device |
| CN114705984A (en) * | 2022-03-25 | 2022-07-05 | 浙江工业大学 | Comprehensive experimental system for performance test of small outer rotor motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 Termination date: 20160713 |