CN101915896B - Testing device for mechanical property parameters of modularized permanent magnet synchronous servo motor - Google Patents
Testing device for mechanical property parameters of modularized permanent magnet synchronous servo motor Download PDFInfo
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- CN101915896B CN101915896B CN2010102288797A CN201010228879A CN101915896B CN 101915896 B CN101915896 B CN 101915896B CN 2010102288797 A CN2010102288797 A CN 2010102288797A CN 201010228879 A CN201010228879 A CN 201010228879A CN 101915896 B CN101915896 B CN 101915896B
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Abstract
The invention discloses a testing device for mechanical property parameters of a modularized permanent magnet synchronous servo motor, which comprises a module for the motor to be tested, a signal detection module, a mechanical transmission module, a simulation load module and a base module, wherein, the module for the motor to be tested comprises the permanent magnet synchronous servo motor and a flange seat; the signal detection module comprises a first coupler, a torque and rotational speed sensor, an adjusting block and a second coupler; the mechanical transmission module comprises a first bearing seat, a first synchronous wheel, a second synchronous wheel, a synchronous belt and a second bearing seat; the simulation load module comprises a third coupler and a magnetic powder brake; and the base module comprises a T-slot platform. The mechanical transmission module improves mechanical transmission efficiency by adopting a crenulated structure, and the magnetic powder brake simulates load of different sizes to test the operating characteristics of the permanent magnet synchronous servo motor; and by adopting a modularized structure, the testing device of the invention flexibly combines different modules according to the performance parameters which need to be tested, thus meeting the requirements of the permanent magnet synchronous servo motor for wide speed regulation range and different measuring accuracy.
Description
Technical field
This invention relates to the electromechanical testing field, particularly permanent magnet synchronous servo motor mechanical test device.
Background technology
Since 21 century, AC servo has become the base components of machinery control industry automatically.In the servo-drive of high precision, wide speed regulating range was used, the servo-driver better performances that permanent magnet synchronous servo motor (PMSM) is constituted can realize high speed, high precision, high stability, responds fast, energy-efficient motion control.That permanent magnet synchronous servo motor has is simple in structure, volume is little, efficient is high, power factor is high, torque current than high, moment of inertia is low, be easy to advantages such as heat radiation and maintaining.It is widely used in fields such as industrial automation, automobile, aviation, navigational system, precise numerical control machine, machining center, robot.
In existing electric machine testing device or system, mainly be aimed at the performance test of threephase asynchronous machine, linear electric motors, generator at present.Its shortcoming mainly is a function singleness, is restricted at aspects such as pilot project and motor type, specifications.And these proving installations can't directly be used for the permanent magnet synchronous servo motor mechanical performance parameter is tested, because of these devices measure and the performance index of data processing on can not satisfy the testing requirement of the wide permanent magnet synchronous servo motor of high precision, high reliability, wide speed regulating range.
Summary of the invention
The objective of the invention is to; Deficiency to present permanent magnet synchronous servo motor measuring mechanical property experimental technique; A kind of testing device for mechanical property parameters of modularized permanent magnet synchronous servo motor is proposed, simulation different loads working condition measurement permanent magnet synchronous servo motor mechanical property.It can realize the rotating speed to permanent magnet synchronous servo motor, the real-time detection of torque parameter data; Obtain the permanent magnet synchronous servo motor operation characteristic; Like no-load characteristic, load characteristic, mechanical property, dynamic perfromance, be used to estimate the mechanical property of permanent magnet synchronous servo motor.
For realizing above-mentioned target, technical scheme of the present invention is following:
A kind of testing device for mechanical property parameters of modularized permanent magnet synchronous servo motor, it comprises that tested motor module, signal detection module, mechanical drive module, fictitious load module, base module form; Said tested motor module comprises that permanent magnet synchronous servo motor (1), flange seat (2) form; Said signal detection module comprises that first shaft coupling (3), torque rotary speed sensor (4), adjustment cushion block (5), second shaft coupling (6) form; Said mechanical drive module comprises clutch shaft bearing seat (7), first synchronizing wheel (8), second synchronizing wheel (9) and band (10), second bearing seat (11) are formed synchronously; Said fictitious load module comprises that the 3rd shaft coupling (12), magnetic powder brake (13) form; Said base module comprises T type groove platform (14); Said tested motor module, signal detection module, mechanical drive module, fictitious load module connect successively; Said tested motor module, signal detection module, mechanical drive module, fictitious load module are fixed on the base module.
The torque rotary speed sensor of described signal detection module (4); Torque rotary speed sensor (4) can be realized the rotating speed to permanent magnet synchronous servo motor (1), the real-time detection of torque parameter data, and the variation of these parameters can reflect permanent magnet synchronous servo motor (1) operation characteristic; Said permanent magnet synchronous servo motor (1) operation characteristic is no-load characteristic, load characteristic, mechanical property or dynamic perfromance.
The tooth-shape structure of first synchronizing wheel (8) of described mechanical drive module, second synchronizing wheel (9) and synchronous band (10) adopts knuckle-tooth shape structure; This structure can reduce the noise that produces in the mechanical transmission course; Prevent to skid, improve machinery driving efficiency and the serviceable life of being with synchronously.
The magnetic powder brake of described fictitious load module (13); Magnetic powder brake (13) can produce the braking moment of different sizes through the exciting curent size that changes input and simulate different big or small load behaviors; And it is loaded into permanent magnet synchronous servo motor (1), test permanent magnet synchronous servo motor (1) mechanical performance parameter.
Said permanent magnet synchronous servo motor (1) is installed on the flange seat (2), and said torque rotary speed sensor (4) is fixed on the adjustment cushion block (5): said permanent magnet synchronous servo motor (1) is connected with torque rotary speed sensor (4) through first shaft coupling (3); Said torque rotary speed sensor (4) is connected with the input shaft end of clutch shaft bearing seat (7) through second shaft coupling (6); The input shaft end of the output axle head of said clutch shaft bearing seat (7) and second bearing seat (11) is through first synchronizing wheel (8), second synchronizing wheel (9) and be with (10) to be connected synchronously; The output axle head of said second bearing seat (11) is connected with magnetic powder brake (13) through the 3rd shaft coupling (12).
The present invention has the following advantages:
1, the present invention adopts modular construction, according to the difference of permanent magnet synchronous servo motor needs test performance parameter, can make up not watching module neatly, satisfies the requirement of the wide and different measuring precision of permanent magnet synchronous servo motor speed adjustable range preferably.
2, the tooth-shape structure of first synchronizing wheel of mechanical drive module of the present invention, second synchronizing wheel and synchronous band adopts knuckle-tooth shape structure; This structure can reduce the noise that produces in the mechanical transmission course; Prevent to skid, improve machinery driving efficiency and the serviceable life of being with synchronously.
3, the magnetic powder brake of fictitious load module of the present invention; The braking moment that produces different sizes through the exciting curent size that changes input is simulated different big or small load behaviors; Be used to test the mechanical performance parameter of permanent magnet synchronous servo motor; The operation characteristic of permanent magnet synchronous servo motor is described: no-load characteristic, load characteristic, mechanical property, dynamic perfromance, be convenient to estimate the mechanical property of permanent magnet synchronous servo motor.
Description of drawings
Accompanying drawing is the testing device for mechanical property parameters of modularized permanent magnet synchronous servo motor synoptic diagram;
In the accompanying drawing: the 1-permanent magnet synchronous servo motor; The 2-flange seat; 3-first shaft coupling; The 4-torque rotary speed sensor; 5-adjusts cushion block; 6-second shaft coupling; 7-clutch shaft bearing seat; 8-first synchronizing wheel; 9-second synchronizing wheel; 10-is with synchronously; 11-second bearing seat; 12-the 3rd shaft coupling; The 13-magnetic powder brake; 14-T type groove platform.
Specific embodiments
Be described further the present invention is novel below in conjunction with accompanying drawing.
Testing device for mechanical property parameters of modularized permanent magnet synchronous servo motor of the present invention; Shown in accompanying drawing, comprise permanent magnet synchronous servo motor (1), flange seat (2), first shaft coupling (3), torque rotary speed sensor (4), adjustment cushion block (5), second shaft coupling (6), clutch shaft bearing seat (7), first synchronizing wheel (8), second synchronizing wheel (9), synchronous band (10), second bearing seat (11), the 3rd shaft coupling (12), magnetic powder brake (13), T type groove platform (14).Wherein, permanent magnet synchronous servo motor (1), flange seat (2) are formed tested motor module; First shaft coupling (3) torque rotary speed sensor (4), adjustment cushion block (5), second shaft coupling (6) are formed signal detection module; Clutch shaft bearing seat (7), first synchronizing wheel (8), second synchronizing wheel (9) and synchronous band (10), second bearing seat (11) are formed the mechanical drive module; The 3rd shaft coupling (12), magnetic powder brake (13) are formed the fictitious load module; T type groove platform (14) is as base module.
Permanent magnet synchronous servo motor in the tested motor module (1) is installed on the flange seat (2); Torque rotary speed sensor in the signal detection module (4) is fixed on the adjustment cushion block (5); The input end of the output terminal of clutch shaft bearing seat (7) axle and second bearing seat (11) axle is connected through first synchronizing wheel (8), second synchronizing wheel (9) and synchronous band (10) in the mechanical drive module; Tested motor module is connected with the input end of signal detection module through first shaft coupling (3); The output terminal of signal detection module is connected with the input end of mechanical drive module through second shaft coupling (6); The output terminal of mechanical drive module is connected with the fictitious load module through the 3rd shaft coupling (12); Flange seat (2), adjustment cushion block (5), clutch shaft bearing seat (7), second bearing seat (11) and magnetic powder brake (13) are separately fixed on the T type groove platform (14) through screw bolt and nut.
Before carrying out the test of permanent magnet synchronous servo motor mechanical performance parameter; Tested permanent magnet synchronous servo motor (1) is fixed on the flange seat (2); For the permanent magnet synchronous servo motor of different model, need select corresponding flange seat for use according to motor contour dimension and installed surface screwhole position; Permanent magnet synchronous servo motor (1) axle center is connected with first shaft coupling (3), and the concentricity of adjustment permanent magnet synchronous servo motor (1) and first shaft coupling (3), with screw bolt and nut flange seat (2) is fixed on the T type groove platform (14); Torque rotary speed sensor (4) input end is connected with the other end of first shaft coupling (3); And adjustment torque rotary speed sensor (4) and the concentricity of first shaft coupling (3) and with the distance of permanent magnet synchronous servo motor (1); And torque rotary speed sensor (4) is fixed in adjustment cushion block (5), will adjust cushion block (5) again and be fixed on the T type groove platform (14); One end of second shaft coupling (6) is connected with the output terminal of torque rotary speed sensor (4), adjusts the concentricity between them; The input shaft end of second shaft coupling (6) other end with the clutch shaft bearing seat (7) that first synchronous pulley (8) is housed is connected, adjusts concentricity and afterwards clutch shaft bearing seat (7) is fixed on the T type groove platform (14); Through synchronous band (10) first synchronizing wheel (8) is connected with second synchronizing wheel (9), the tensile force of (10) and the depth of parallelism between two synchronizing wheels are with in adjustment synchronously; Second bearing seat (11) that second synchronizing wheel (9) will be housed is fixed on the T type groove platform (14); One end of the 3rd shaft coupling (12) is connected with the output axle head of second bearing seat (11), and the adjustment concentricity; At last, the axle head of magnetic powder brake (13) is connected with the other end of the 3rd shaft coupling (12), magnetic powder brake (13) is fixed on the T type groove platform (14) after adjusting concentricity.In this order installation check errorless after, just can carry out permanent magnet synchronous servo motor (1) mechanical performance parameter test.
When carrying out the electromechanics performance test, the input exciting curent size through change magnetic powder brake (13) produces the braking moments of different sizes, thereby is the braking moment that permanent magnet synchronous servo motor (1) provides continuous linear change, promptly different big or small load behaviors; Mechanical performance parameter through torque rotary speed sensor (4) real-time testing permanent magnet synchronous servo motor (1); Be used to reflect permanent magnet synchronous servo motor (1) operation characteristic: no-load characteristic, load characteristic, mechanical property, dynamic perfromance, be convenient to estimate the mechanical property of permanent magnet synchronous servo motor (1).
Claims (4)
1. testing device for mechanical property parameters of modularized permanent magnet synchronous servo motor is characterized in that: it comprises that tested motor module, signal detection module, mechanical drive module, fictitious load module, base module form;
Said tested motor module comprises that permanent magnet synchronous servo motor (1), flange seat (2) form;
Said signal detection module comprises that first shaft coupling (3), torque rotary speed sensor (4), adjustment cushion block (5), second shaft coupling (6) form;
Said mechanical drive module comprises clutch shaft bearing seat (7), first synchronizing wheel (8), second synchronizing wheel (9), band (10), second bearing seat (11) are formed synchronously;
Said fictitious load module comprises that the 3rd shaft coupling (12), magnetic powder brake (13) form;
Said base module comprises T type groove platform (14);
Said tested motor module, signal detection module, mechanical drive module, fictitious load module connect successively; Said tested
Motor module, signal detection module, mechanical drive module, fictitious load module, they are fixed on the base module.
2. testing device for mechanical property parameters of modularized permanent magnet synchronous servo motor according to claim 1; It is characterized in that: the torque rotary speed sensor of described signal detection module (4); Torque rotary speed sensor (4) can be realized the rotating speed to permanent magnet synchronous servo motor (1), the real-time detection of torque parameter data, is used to reflect permanent magnet synchronous servo motor (1) operation characteristic; Said permanent magnet synchronous servo motor (1) operation characteristic is no-load characteristic, load characteristic, mechanical property or dynamic perfromance.
3. testing device for mechanical property parameters of modularized permanent magnet synchronous servo motor according to claim 1 is characterized in that: the tooth-shape structure of first synchronizing wheel (8) of described mechanical drive module, second synchronizing wheel (9) and synchronous band (10) adopts knuckle-tooth shape structure.
4. testing device for mechanical property parameters of modularized permanent magnet synchronous servo motor according to claim 1; It is characterized in that: the magnetic powder brake of described fictitious load module (13); Magnetic powder brake (13) can produce the braking moment of different sizes through the exciting curent size that changes input and simulate different big or small load behaviors; And it is loaded into permanent magnet synchronous servo motor (1), test permanent magnet synchronous servo motor (1) performance parameter.
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| CN2010102288797A CN101915896B (en) | 2010-07-16 | 2010-07-16 | Testing device for mechanical property parameters of modularized permanent magnet synchronous servo motor |
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| CN2010102288797A CN101915896B (en) | 2010-07-16 | 2010-07-16 | Testing device for mechanical property parameters of modularized permanent magnet synchronous servo motor |
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| CN101915896B true CN101915896B (en) | 2012-07-04 |
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| CN109932651A (en) * | 2019-03-27 | 2019-06-25 | 贵州大学 | A kind of permanent magnet synchronous motor experimental provision and experimental method |
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