CN101727768B - Servomotor testing platform for teaching - Google Patents
Servomotor testing platform for teaching Download PDFInfo
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- CN101727768B CN101727768B CN2009101295288A CN200910129528A CN101727768B CN 101727768 B CN101727768 B CN 101727768B CN 2009101295288 A CN2009101295288 A CN 2009101295288A CN 200910129528 A CN200910129528 A CN 200910129528A CN 101727768 B CN101727768 B CN 101727768B
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Abstract
The invention discloses a servomotor testing platform for teaching, which comprises a stand, a servomotor, at least one testing module and a display module or a numerical control system. The servomotor is arranged on the stand; the at least one testing module is connected with an output shaft of the servomotor through a second driving mechanism and is used for testing the working performance of the servomotor; and the display module or the numerical control system is used for displaying operating result data and inputting testing command parameters. The servomotor testing platform for teaching can simulate the checking on the performance of the servomotor in an inertia loaded state, intuitively reflect and adjust the electrical characteristics of the servomotor and errors of driving chains, lay the foundation for the mechanical design of a numerical control machine and realize the effect of simulating the mechanical failures of the numerical control machine.
Description
Technical field
What the present invention relates to is a kind of teaching equipment, particularly be a kind of test platform that is used to impart knowledge to students and uses to the servomotor of digital control system.
Background technology
Some present vocational technical universities and colleges; Or even some institution of higher learning, all being provided with the such subject of Machine Design and numerical control design, the main electrical specification of numerically-controlled machine mainly is to be gone to embody by the physical construction characteristic of motor characteristic and combination with it for a long time; Therefore as far as Machine Design and numerical control design; How the error of clear and definite electrical specification and adjustment driving-chain because abstractness is too high, has brought very big difficulty for the students understand technology; Present for this reason religion appearance manufacturer and developer are studying this respect always, have breakthrough with expectation.
In view of above-mentioned defective, creator of the present invention is through research and design obtain this creation finally for a long time.
Summary of the invention
The objective of the invention is to, a kind of servomotor testing platform for teaching is provided, in order to overcome above-mentioned defective.
For realizing above-mentioned purpose, the technical scheme that the present invention adopts is that a kind of servomotor testing platform for teaching is provided, and it comprises: a frame platform, and the servomotor that is connected with said frame platform, wherein:
On described frame platform, also be provided with:
One inertia module, it is connected through one first gear train with the output shaft of described servomotor, in order to the simulated inertia duty;
At least one test module, it is connected with the output shaft of described servomotor through one second gear train, in order to the serviceability of test servomotor;
One display module or digital control system are in order to the order parameter of display operation result data and input test.
Preferable, described inertia module is a flywheel or a big quality thing piece.
Preferable, described first gear train comprises:
It is connected one first shaft coupling through key with described servomotor output shaft;
One axle sleeve, it is arranged on the frame platform, and combines through the major axis of bearing with described first shaft coupling;
Described inertia module is fixed on the described major axis end.
Preferable, described test module is the load capacity test module, it comprises:
One magnetic powder brake, it is arranged on the described frame platform;
Described magnetic powder brake output shaft is connected with the output shaft of described servomotor through described second gear train, in order to test the load capacity of said servomotor.
Preferable, described test module is the running accuracy test module, it comprises:
One ball-screw is on its setting and the described frame platform;
One leading screw bonnet, it is arranged on the described frame platform, and combines with a leading screw bolster through bearing;
One grating chi, it is arranged on the described ball-screw load table, is synchronized with the movement with described leading screw, in order to measure actual displacement.
Preferable, described second gear train comprises:
One second shaft coupling, the one of which end is connected through a drill chuck with described leading screw, and the other end is connected with described leading screw bolster;
One first belt pulley, it is arranged on the major axis of described first shaft coupling;
One second belt pulley, it is arranged on the described leading screw bolster;
One the 3rd belt pulley, it is arranged on the described magnetic powder brake output shaft;
Two groups of belts are nested with respectively on described first belt pulley and second belt pulley, and on first belt pulley and the 3rd belt pulley;
Wherein said drill chuck is in order to refusal or allow described servomotor to said leading screw transferring power.
Preferable, described frame platform comprises: a chassis base, and be arranged on motor mounting plate, inertia spare installing plate and the magnetic install adjustment plate on the said chassis base, be provided with the leading screw installing plate on the top of said frame platform.
Preferable, also comprise:
One stretching pulley, it is arranged on the described inertia spare installing plate, in order to the described belt of tensioning.
Preferable, described first gear train and described second gear train are between described motor mounting plate and described inertia spare installing plate.
Preferable, described display module is connected with the control end of described servomotor, grating chi and/or magnetic powder brake respectively; In order to the operational factor that shows servomotor, the actual displacement of leading screw, the current parameters of magnetic powder brake.
Be that with prior art beneficial effect more of the present invention the present invention can realize that the servomotor performance of simulating the inertia load condition carries out verification, the error of the electrical specification of servomotor and driving-chain is embodied intuitively and regulates; For the Machine Design of numerically-controlled machine lays the first stone, realized effect to numerically-controlled machine mechanical fault analogsimulation.
Description of drawings
Fig. 1 is the functional block diagram of servomotor testing platform for teaching of the present invention;
Fig. 2 is the sectional structure sketch of servomotor testing platform for teaching embodiment one of the present invention;
Fig. 3 is band drive mechanism sketch in the driving-chain of servomotor testing platform for teaching embodiment one of the present invention;
Fig. 4 is the driving-chain middle gear drive mechanism sketch of servomotor testing platform for teaching embodiment one of the present invention.
Embodiment
Below in conjunction with accompanying drawing, do more detailed explanation with other technical characterictic and advantage to the present invention is above-mentioned.
See also shown in Figure 1; It is for the functional block diagram of servomotor testing platform for teaching of the present invention; Servomotor testing platform for teaching of the present invention is to be used in teaching, and operating several aspects of numerically-controlled machine are simulated, and in fact exactly the performance of servomotor is tested; Through imitating the test of going forward side by side of multiple working condition, and let the student intuitively understand servomotor electrical specification in operation; These described duty tests comprise: operation under inertia load effect, load capacity test or error testing and adjustment to forming with driving-chain in its operation process;
Servomotor testing platform for teaching of the present invention comprises: a frame platform 0, respectively form structure accordingly in order to carry; One servomotor, 2 its objects for test and adjustment; It is fixedly set on the described frame platform 0; In order to realize above-mentioned test target; The present invention also comprises a test module 4, and it is connected with the output shaft of described servomotor 2 through one second gear train, realizes the serviceability of the said servomotor 2 of test in order to various working to be provided; Show for the result that will test at last; Also to be provided with a display module 5; It is connected with the control end of described servomotor 2 and test module 4 respectively; In order to test result is shown, in fact described display module 5 can be a digital control system (not shown) itself, and it can import the order parameter and the corresponding test result of demonstration of the said servomotor 2 of control.
Wherein, described test module 4 can be inertia module, load capacity test module or one of them kind of running accuracy test module.The output shaft of described servomotor 2 is connected through one first gear train, in order to the simulated inertia duty.
See also shown in Figure 2ly, it is for the structure diagram of servomotor testing platform for teaching embodiment one of the present invention; Described in the present embodiment test module 4 comprises above-mentioned three kinds of modules.Wherein said frame platform 0 comprises: plate 02 behind a chassis base 01, the framework; Also comprise with described framework after inertia spare installing plate 08, motor mounting plate 04 and the magnetic powder brake installing plate 06 of the setting that parallels of plate 02, and be provided with leading screw installing plate 03 on described frame platform 0 top; Wherein, Described servomotor 2 is arranged on the described motor mounting plate 04; Its output shaft is connected with an axis of inertia 61 through a shaft coupling 69, is set with an axle sleeve 432 in described inertia spare installing plate 08 outside, in order to play spacing and the carrying effect; The described axis of inertia 61 passes described axle sleeve 432, and can realize and the relatively rotating of described axle sleeve 432 through the bearing (not shown).End at the described axis of inertia 61 is provided with an inertia spare 431 (like flywheel or big quality thing piece), with thinking that described servomotor 2 provides an inertia load; The described axis of inertia 61 is provided with belt pulley 60,62, and the described axis of inertia 61, belt pulley 60,62 combine through key and described shaft coupling 69, in order to transmit rotating speed and moment of torsion.
The leading screw installing plate 03 of described frame platform 0 is provided with ball-screw; The lead screw shaft 413 of said ball-screw is connected with a drill chuck 7; Described drill chuck 7 is connected with shaft coupling 68, and described inertia spare installing plate 08 is provided with leading screw bonnet 81, and described leading screw bonnet 81 is connected with a leading screw bolster 82 through bearing; Described leading screw bolster 82 is connected with described shaft coupling 68, on described leading screw bolster 82, also is provided with belt pulley 64; The leading screw installing plate 03 of described ball-screw is provided with grating chi 414.
Be positioned at described servomotor 2 bottoms, be set with a magnetic powder brake 42 through a magnetic install adjustment plate 07 on the described magnetic installing plate 06; The output shaft of described magnetic powder brake 42 is provided with belt pulley 63, is provided with belt 67 between described belt pulley 63 and the belt pulley 62, between described belt pulley 64 and belt pulley 60, is provided with belt 66; Thereby formed the structure setting of the described inertia spare of 2 pairs of described servomotors 431, ball-screw and magnetic powder brake 42 transferring power respectively.The control end of wherein said servomotor 2, grating chi 414 and magnetic powder brake 42 is all drawn data line and is connected with a display module 5, in order to the operational factor that shows servomotor, the actual displacement of leading screw, the current parameters of magnetic powder brake; The control end of described servomotor 2, grating chi 414 and magnetic powder brake 42 is all drawn data line and also can be connected with a digital control system, thereby not only having realized showing can also to servomotor 2 or other test module 4 sends steering order.
In conjunction with shown in Figure 3, it is the driving-chain structure diagram of servomotor testing platform for teaching embodiment one of the present invention.The course of action of servomotor testing platform for teaching of the present invention is that servomotor 2 directly drives inertia spare 431 and rotates; And belt pulley 60,62 also rotates thereupon together; When needs are tested rotating speed and the driving-chain transmission accuracy of 2 outputs of described servomotor, described drill chuck 7 is placed connection status, the lead screw shaft 413 that promptly can the rotating speed and the moment of torsion of shaft coupling 68 be passed to described ball-screw; Make moving of described grating chi 414, thereby draw actual output displacement; Described grating chi 414 is transferred to described display module 5 or digital control system with the length data of correspondence; Also demonstrate the instruction displacement of described servomotor 2 outputs simultaneously on described display module 5 or the digital control system; Both are compared; Thereby obtain the rotating speed and the driving-chain transmission cumulative errors of servomotor 2 outputs; Can directly control the parameter of servomotor 2 or the adjustment of driving-chain is reduced error through digital control system, the effect of this adjustment can obtain through the numeral comparison that display module 5 or digital control system show, human factor is joined formed a control closed loop.
In the time will testing, described drill chuck 7 is placed off-state, thereby make the rotating speed of described shaft coupling 68 and the lead screw shaft 413 that moment of torsion can not pass to described ball-screw the load capacity of servomotor 2; This moment, described servomotor 2 rotated through belt pulley 62 and belt pulley 63 and belt 67, and rotating speed and the moment of torsion of said servomotor 2 passed to described magnetic powder brake 42, owing to described magnetic powder brake 42 is processed according to electromagnetic principle; It has exciting current and the linear basically characteristic of torque, is made up of field coil and rotation axis on the structure, between field coil and rotation axis, is filled with magnetic; Rotation axis carries out running light under the drive of external force, when feeding electric current in the field coil; Can produce magnetic flux, gather magnetic, hinder the rotation of rotation axis; Rising along with electric current; This obstruction also can increase, and the rotation axis of described magnetic powder brake 42 is connected with servomotor 2 through above-mentioned transmission subchain, and described servomotor 2 has just been produced an adjustable mechanical load; Electric current output through described servomotor can be converted to corresponding load; Thereby compare with the actual loading of described magnetic powder brake 42; This can show on display module 5 or digital control system, thereby reach the purpose of testing said servomotor 2 load capacities.
Need between the leading screw bolster 82 of the present invention and the described axis of inertia 61 of explanation, and between the described axis of inertia 61 and the magnetic powder brake 42, not only can realize transmission process, also can realize through gear drive through the band transmission; See also shown in Figure 4; It is for the driving-chain middle gear drive mechanism sketch of servomotor testing platform for teaching embodiment one of the present invention; On described leading screw bolster 82, be arranged with gear 1 ', on the described axis of inertia 61, be arranged with gear 2 65 ', the output shaft of described magnetic powder brake 42 is provided with gear 3 63 '; Described gear 2 65 ' respectively with described gear 1 ' and gear 3 63 ' engagement, in order to the power transmission of servomotor 2 is gone out.
More than explanation is just illustrative for the purpose of the present invention; And nonrestrictive, those of ordinary skills understand, under the situation of spirit that does not break away from following accompanying claims and limited and scope; Can make many modifications; Change, or equivalence, but all will fall in the protection domain of this practicality invention.
Claims (5)
1. servomotor testing platform for teaching, it is characterized in that: it comprises:
One frame platform;
One servomotor, it is arranged on the said frame platform;
At least one test module, it is connected with the output shaft of described servomotor through one second gear train, in order to the serviceability of test servomotor;
One display module or digital control system are in order to the order parameter of display operation result data and input test;
Described test module is an inertia module, and it is connected through one first gear train with the output shaft of described servomotor, in order to the simulated inertia duty; Wherein, described inertia module is a flywheel;
Described first gear train comprises: it is connected one first shaft coupling through key with described servomotor output shaft; One axle sleeve, it is arranged on the frame platform, and combines through the major axis of bearing with described first shaft coupling; Described inertia module is fixed on the described major axis end;
Described test module is the load capacity test module, and it comprises: a magnetic powder brake, and it is arranged on the described frame platform; Described magnetic powder brake output shaft is connected with the output shaft of described servomotor through described second gear train, in order to test the load capacity of said servomotor;
Described test module is the running accuracy test module, and it comprises: a ball-screw, and it is arranged on the leading screw installing plate of described frame platform; One leading screw bonnet, it is arranged on the described frame platform, and combines with a leading screw bolster through bearing; One grating chi, it is arranged on the described leading screw installing plate, is synchronized with the movement with described leading screw, in order to measure actual displacement;
Described second gear train comprises: one second shaft coupling, and the one of which end is connected through a drill chuck with described leading screw, and the other end is connected with described leading screw bolster; One first belt pulley, it is arranged on the major axis of described first shaft coupling; One second belt pulley, it is arranged on the described leading screw bolster; One the 3rd belt pulley, it is arranged on the described magnetic powder brake output shaft; Two groups of belts are nested with respectively on described first belt pulley and second belt pulley, and on first belt pulley and the 3rd belt pulley; Wherein said drill chuck is in order to refusal or allow described servomotor to said leading screw transferring power.
2. servomotor testing platform for teaching according to claim 1 is characterized in that: described servomotor is to be connected with a digital control system, receives the control of described digital control system.
3. servomotor testing platform for teaching according to claim 2 is characterized in that: described frame platform comprises a chassis base, and inertia spare installing plate is arranged on the said chassis base;
One stretching pulley, it is arranged on the described inertia spare installing plate, in order to the described belt of tensioning.
4. servomotor testing platform for teaching according to claim 2 is characterized in that: described frame platform comprises a chassis base, and inertia spare installing plate and motor mounting plate are arranged on the said chassis base; Described first gear train and described second gear train are between described motor mounting plate and described inertia spare installing plate.
5. servomotor testing platform for teaching according to claim 2 is characterized in that: described display module is connected with the control end of described servomotor, grating chi and/or magnetic powder brake respectively; In order to the operational factor that shows servomotor, the actual displacement of leading screw, the current parameters of magnetic powder brake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101295288A CN101727768B (en) | 2008-10-24 | 2009-03-24 | Servomotor testing platform for teaching |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810173220 | 2008-10-24 | ||
| CN200810173220.9 | 2008-10-24 | ||
| CN2009101295288A CN101727768B (en) | 2008-10-24 | 2009-03-24 | Servomotor testing platform for teaching |
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| Publication Number | Publication Date |
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| CN101727768A CN101727768A (en) | 2010-06-09 |
| CN101727768B true CN101727768B (en) | 2012-08-29 |
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| CN2009101295288A Active CN101727768B (en) | 2008-10-24 | 2009-03-24 | Servomotor testing platform for teaching |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107797100A (en) * | 2017-10-24 | 2018-03-13 | 陕西黄河集团有限公司 | Superminiature high-power radar servomechanism closed-loop path fictitious load platform |
| CN110782768A (en) * | 2019-11-05 | 2020-02-11 | 西南交通大学 | Motor car traction braking experiment model device |
| CN112994567A (en) * | 2021-05-06 | 2021-06-18 | 中国石油大学(华东) | Motor control method and motor control device without current sensor, and servo device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2498583Y (en) * | 2001-09-28 | 2002-07-03 | 长沙天心区机电教学仪器厂 | Crank, guide pole and slide block mechanism test table |
| CN2703290Y (en) * | 2004-06-04 | 2005-06-01 | 南京工业大学 | Full-closed ring AC servo movement control education experimental apparatus |
| CN2726049Y (en) * | 2004-08-09 | 2005-09-14 | 白连平 | Electric machine experiment apparatus |
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- 2009-03-24 CN CN2009101295288A patent/CN101727768B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2498583Y (en) * | 2001-09-28 | 2002-07-03 | 长沙天心区机电教学仪器厂 | Crank, guide pole and slide block mechanism test table |
| CN2703290Y (en) * | 2004-06-04 | 2005-06-01 | 南京工业大学 | Full-closed ring AC servo movement control education experimental apparatus |
| CN2726049Y (en) * | 2004-08-09 | 2005-09-14 | 白连平 | Electric machine experiment apparatus |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2005－345798A 2006.12.15 |
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Owner name: ZHEJIANG YALONG EDUCATION EQUIPMENT CO., LTD. Free format text: FORMER OWNER: YALONG SCIENCE + TECHNOLOGY GROUP Effective date: 20130911 |
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Effective date of registration: 20130911 Address after: Oubei town of Yongjia County Wenzhou city Zhejiang province 325000 Fort Industrial Park two industrial zone Yalong Patentee after: Zhejiang Yalong Education Equipment Co., Ltd. Address before: 325105 Zhejiang province Yongjia County Oubei Town Industrial Park (Fort Yalong ordinances of the two industrial zone) Patentee before: Yalong Science & Technology Group |
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Denomination of invention: Servomotor testing platform for teaching Effective date of registration: 20140120 Granted publication date: 20120829 Pledgee: Bank of Communications Ltd Wenzhou Yongjia branch Pledgor: Zhejiang Yalong Education Equipment Co., Ltd. Registration number: 2014990000049 |
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Address after: 325000 Yalong Industrial Park, two industrial zone, Ou Bei Town, Yongjia County, Wenzhou, Zhejiang, China Patentee after: Yalong intelligent equipment group Limited by Share Ltd Address before: 325000 Yalong Industrial Park, two industrial zone, Ou Bei Town, Yongjia County, Wenzhou, Zhejiang, China Patentee before: Zhejiang Yalong Education Equipment Co., Ltd. |