CN103424222B - Testing device for multidirectional dynamic force of medium and small sized linear motors - Google Patents
Testing device for multidirectional dynamic force of medium and small sized linear motors Download PDFInfo
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- CN103424222B CN103424222B CN201310335497.8A CN201310335497A CN103424222B CN 103424222 B CN103424222 B CN 103424222B CN 201310335497 A CN201310335497 A CN 201310335497A CN 103424222 B CN103424222 B CN 103424222B
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Abstract
The invention discloses a testing device for multidirectional dynamic force of medium and small sized linear motors. The testing device is used for precisely testing tangential force and vertical force of the medium and small sized linear motors dynamically and mainly comprises a base (100), a rotary rail (200), a tangential sensor device (300), a speed detector (400) and a motor suspension device (500). The base (100) is driven and supported by a slewing bearing (600); the motor suspension device (500) is used for supporting and fixing a tested linear motor (700). The rotary rail (200) is disposed in the middle of the base (100), and the tangential sensor device (300), the speed detector and the motor suspension device (500) are all connected with the base (100) through bolts. The testing device can simulate service environment of the linear motors, meet requirements of test and installation of the linear motors within a certain dimension range, and test the tangential and vertical dynamic force of the motors.
Description
Technical field
The present invention relates to the dynamic sensitive method of testing of linear electric motors vertical force and tangential force and the design of proving installation structure, particularly relate to a kind of proving installation for vertical force dynamic between middle-size and small-size linear electric motors and track and the real-time dynamic test of tangential force.
Background technology
Electric energy can be directly changed into the mechanical energy of rectilinear motion by linear electric motors, and without any need for intermediate conversion mechanism, it is similar with common electric rotating machine in principle, can regard an electric rotating machine as to cut open by radial direction, and generate plane forms, its kind is identical with conventional motors, such as: DC linear electric motor, alternating-current synchronous linear electric motors, alternating current impression asynchronous linear motor, step-by-step linear electric motor etc.As controlling the linear servo-actuator of kinematic accuracy after occurring the end of the eighties in last century, along with the development of material (as permanent magnetic material), power device, control technology and sensing technology, the performance of linear servo-actuator improves constantly, cost declines day by day, for it applies the condition of creating widely.
In recent years, along with the development of science and technology, linear electric motors and Drive Control Technique thereof achieve considerable progress, its performance is as more and more higher in thrust, speed, acceleration, resolution etc., and volume reduces, temperature reduces, and the kind of linear electric motors product is consistent with electric rotating machine, coverage rate is very wide, can meet the requirement of different use occasion; Simultaneously along with the progress of the gordian technique such as material, control, the cost of linear electric motors significantly declines, and installation and maintenance is day by day easy, and reliability is improved, and makes it apply more and more extensive.Such as in numerically-controlled machine field, traditional kinematic train comprises the intermediate transmission links such as motor, transmission, clutch coupling, creates larger moment of inertia, elastic deformation, backlass and motion delay, and problems is difficult to fundamentally solve; And linear electric motors can make main shaft rotary motion become direct-drive, machine tool capability can be made to be improved.And for example at transport field, the appearance of high-power linear electric motors makes the linear drives of vehicle become a reality, and comprises light rail vehicle and magnetic-levitation train, particularly in magnetic-levitation train field, due to the contactless operation that it is special, running resistance is little, and adopting linear electric motors to drive becomes high efficiency drive pattern.
In the research and suitability for industrialized production of current linear electric motors, consider more to be drive efficiency problem and the Process Problems of linear electric motors, and linear electric motors have two outstanding features in operational process, one is that the motion of linear electric motors is except producing tangential force and namely driving the power of advance, also can produce vertical suction, this power can increase the burden of levitating electromagnet in the operational process of magnetic-levitation train; Two is the differences along with magnetic-levitation train movement velocity, and the vertical reacting force between linear electric motors and track is a dynamic force, changes along with the difference of movement velocity, and this change also can to the suspension stability of magnetic-levitation train to control to cause difficulty.Therefore in the application process of linear electric motors, the key issue that test for these two dynamic force has then become linear electric motors to use, proving installation is in the past then a static process, namely relative motion is not had between track and motor, can only the power of tested static, a set of proving installation can only meet a kind of testing requirement of motor simultaneously, causes the test for each linear electric motors all to need otherwise designed proving installation.
The present invention proposes the multidirectional dynamic force test device of a kind of middle-size and small-size linear electric motors newly, by arranging swing-around trajectory, adjustable electric machine mounting device and sensing testing device, not only can realize the test of the vertical of linear electric motors and tangential dynamic force, the installation requirements of the linear electric motors in certain limit can also be met by the adjustment of erecting device.
Summary of the invention
In view of the above deficiency of prior art, object of the present invention provides a kind of sensing testing device for linear electric motors dynamic force test, it is made to realize the motion between motor and track by swing-around trajectory, and by sensing testing device, vertical and tangential dynamic force is between the two tested, simultaneously by arranging adjustable electric machine mounting device and sensing device, meet the installation requirements of the motor within the scope of certain size.
The technical solution adopted in the present invention is:
The multidirectional dynamic force test device of a kind of middle-size and small-size linear electric motors, for the dynamically accurately test of middle-size and small-size linear electric motors tangential force and vertical force, proving installation drives primarily of pivoting support 600 and the base 100, swing-around trajectory 200, tangential sensing device 300, the speed measuring device 400 that support and to support and the suspension device of motor 500 of fixing tested linear electric motors 700 forms; Swing-around trajectory 200 is placed in the middle part of base 100, and tangential sensing device 300, speed measuring device are all connected with base 100 by bolt with suspension device of motor 500.
Described suspension device of motor 500 forms primarily of cross-brace seat 501, pin type load transducer 502, adjustment stud 503, cross-connecting apparatus 504 and installation column 505; Column lower end is installed be connected with proving installation base 100 by bolt, column upper end is installed and by bolt, four cross-brace seats is installed, the different installation site of cross-brace seat can be realized by the change of position of mounting hole, meet the installation requirements of different size linear electric motors; Cross-brace seat lower end is provided with and regulates stud 503, and regulate stud and supporting seat to adopt pinned connection, bearing pin adopts pin type load transducer; Stud lower end is regulated to be connected with four installation sites of tested linear electric motors 700; One end of cross-connecting apparatus 504 is connected with supporting seat, and the other end and tested linear electric motors 700 are connected.
Described tangential sensing device 300 forms primarily of adjustment push rod 301, drawing and pressing type load transducer 302 and installation column 303; Column 303 is installed be connected with proving installation base 100 by bolt; The two ends of drawing and pressing type load transducer 302 are internal thread, and one end is connected with installation column by bolt, and the other end is connected with the adjustment push rod of adjustable in length the installation requirements meeting different size linear electric motors; The two ends of tested linear electric motors are all provided with tangential sensing device, by the displacement of push rod 301 straight limit motor and the tangential force of testing of electric motors.
The proving installation of the multidirectional dynamic force test of the middle-size and small-size linear electric motors of the present invention, by arranging the motion that swing-around trajectory realizes between linear electric motors and track in proving installation, thus simulates the environment for use of linear electric motors truly; By adjustable electric machine mounting device, the installation requirements of the motor within the scope of certain size can be met, and the gap between motor and track can be regulated, thus carry out the test of the dynamic force under Multiple level numerical value; Simultaneously by arranging pin type load transducer in adjustable electric machine mounting device, carrying out the test of the vertical dynamic force of motor, by arranging adjustable drawing and pressing type machine load sensing device at motor two ends, carrying out the test of the tangential dynamic force of motor.
By this proving installation being applied to the multidirectional dynamic force test of middle-size and small-size linear electric motors, the simulation of linear electric motors environment for use can be realized and meet test and the installation requirements of linear electric motors within the scope of certain size, and can test the tangential and vertical dynamic force of motor.
Accompanying drawing explanation
Fig. 1 is the front view of the multidirectional dynamic force test device of middle-size and small-size linear electric motors.
The vertical view of the multidirectional dynamic force test device of the middle-size and small-size linear electric motors of Fig. 2
Fig. 3 is the front view of suspension device of motor.
Fig. 4 is the vertical view of suspension device of motor
Fig. 5 is suspension device of motor and side view.
Fig. 6 is the front view of tangential sensing device.
Fig. 7 is the side view of tangential sensing device.
Embodiment
Below in conjunction with accompanying drawing, 26S Proteasome Structure and Function of the present invention is described in further detail.
The course of work of the present invention:
Composition graphs 1 and Fig. 2 can see, swing-around trajectory is installed on the center of base by pivoting support, can rotate to the driving of linear electric motors, realize motion between the two; Linear electric motors are positioned at the top of swing-around trajectory by electric machine mounting device, and motor realizes the upper and lower displacement adjustment of motor by the adjustable stud in erecting device, thus reaches the object in gap between adjustment motor and track; The test of linear electric motors vertical force is realized by the pin type load transducer in erecting device; Tangential sensing device is positioned at the two ends of linear electric motors, can play the object of straight limit motor movement, also realizes the test of tangential force by the draw-press type sensor in device; Also be provided with swing-around trajectory speed measuring device in proving installation, realized the object of the linear velocity between testing of electric motors and track by the rotating speed of test tracks.
Composition graphs 2 can be seen, is provided with cross-brace seat in suspension device of motor, by regulating the installation site of cross-brace seat, meets the installation requirements of the motor of different size; Connection between cross-brace seat and motor realizes by regulating stud, by regulating the length of stud, realizing the upper-lower position adjustment of motor, reaching the object regulating gap between motor and track; Be pinned connection between cross-brace seat and adjustment stud, bearing pin adopts pin type load transducer, can meet installation requirements, also test by the vertical force of sensor to motor; Also be provided with cross-connecting apparatus in suspension device of motor, reach the object of straight limit motor transverse shifting.
Composition graphs 3 can be seen, is provided with tangential sensing device at the two ends of linear electric motors, has drawing and pressing type load transducer in device, can test the tangential force of motor; Be provided with adjustment push rod between sensor and motor, longitudinal position constraint can be carried out to linear electric motors by push rod, and owing to regulating the adjustable in length of push rod, the Installation And Test of different size motor can be applicable to.
Embodiment
Fig. 1 to Fig. 7 illustrates one embodiment of the invention:
In the multidirectional dynamic force test device of middle-size and small-size linear electric motors, swing-around trajectory is set, it is connected with base by pivoting support, rotary motion can be produced under the effect of linear electric motors tangential force, tested linear electric motors then keep motionless under the effect of suspension device of motor and tangential sensing device, realize the motion between motor and track; Dynamic vertical force between linear electric motors and track is then measured by the pin type load transducer in suspension device of motor, and dynamic tangential force is measured by the drawing and pressing type load transducer in tangential sensing device; Also be provided with track speed measuring device in device, for the rotating speed of test tracks, and be scaled by the point-to-point speed between measured motor and track, the size of dynamic force can be linked together with speed.
Tested linear electric motors realize and the connection of installing column by regulating stud and cross-brace seat, by regulating the length of stud, adjustable by the level of measured motor and the gap between motor and track, by regulating the position of cross-brace seat, the installation requirements of the linear electric motors of certain limit inside dimension can be met; Regulate the connection between stud and cross-brace seat to adopt pin type load transducer to connect, the effect of load can be played, can the power of bearing be measured again; Being also provided with crossbeam coupling arrangement by between measured motor and installation column, can limit by the transversal displacement of measured motor.
Drawing and pressing type load transducer is provided with, for measuring the dynamic tangential force between linear electric motors and track in tangential sensing device; Sensor two ends are internal thread hole, wherein one end is connected with installation column by bolt, and the other end connects adjustment push rod, by regulating the length of push rod, distance between adjustable sensor and linear electric motors end, thus the Installation And Test requirement meeting the linear electric motors of different size.
Claims (3)
1. the multidirectional dynamic force test device of middle-size and small-size linear electric motors, test for middle-size and small-size linear electric motors tangential force and the dynamically accurate of vertical force, it is characterized in that, proving installation drives primarily of pivoting support (600) and the base (100), swing-around trajectory (200), tangential sensing device (300), the speed measuring device (400) that support and to support and the suspension device of motor (500) of fixing tested linear electric motors (700) forms; Swing-around trajectory (200) is placed in base (100) middle part, and tangential sensing device (300), speed measuring device are all connected with base (100) by bolt with suspension device of motor (500).
2. the multidirectional dynamic force test device of the middle-size and small-size linear electric motors of one according to claim 1, it is characterized in that, described suspension device of motor (500) is primarily of cross-brace seat (501), pin type load transducer (502), adjustment stud (503), cross-connecting apparatus (504) and install column (505) composition; Column lower end is installed be connected with proving installation base (100) by bolt, column upper end is installed and by bolt, four cross-brace seats is installed, the different installation site of cross-brace seat can be realized by the change of position of mounting hole, meet the installation requirements of different size linear electric motors; Cross-brace seat lower end is provided with and regulates stud (503), and regulate stud and supporting seat to adopt pinned connection, bearing pin adopts pin type load transducer; Stud lower end is regulated to be connected with four installation sites of tested linear electric motors (700); One end of cross-connecting apparatus (504) is connected with supporting seat, and the other end and tested linear electric motors (700) are connected.
3. the multidirectional dynamic force test device of the middle-size and small-size linear electric motors of one according to claim 1, it is characterized in that, described tangential sensing device (300) is primarily of adjustment push rod (301), drawing and pressing type load transducer (302) and install column (303) composition; Column (303) is installed be connected with proving installation base (100) by bolt; The two ends of drawing and pressing type load transducer (302) are internal thread, and one end is connected with installation column by bolt, and the other end is connected with the adjustment push rod of adjustable in length the installation requirements meeting different size linear electric motors; The two ends of tested linear electric motors are all provided with tangential sensing device, by the displacement of push rod (301) straight limit motor and the tangential force of testing of electric motors.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310335497.8A CN103424222B (en) | 2013-08-05 | 2013-08-05 | Testing device for multidirectional dynamic force of medium and small sized linear motors |
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| CN201310335497.8A CN103424222B (en) | 2013-08-05 | 2013-08-05 | Testing device for multidirectional dynamic force of medium and small sized linear motors |
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| CN103424222A CN103424222A (en) | 2013-12-04 |
| CN103424222B true CN103424222B (en) | 2015-06-03 |
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| CN201310335497.8A Expired - Fee Related CN103424222B (en) | 2013-08-05 | 2013-08-05 | Testing device for multidirectional dynamic force of medium and small sized linear motors |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106950496A (en) * | 2017-03-20 | 2017-07-14 | 湖南中通电气股份有限公司 | A kind of linear asynchronous tractive motor hanging simulation test device of track traffic |
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| CN1560579A (en) * | 2004-03-05 | 2005-01-05 | 太原理工大学 | Linear electric machine trust measuring device |
| CN1948987A (en) * | 2006-11-16 | 2007-04-18 | 北京交通大学 | Dynamic thrust and vertical force testing device of single side type linear induced motor |
| CN1963421A (en) * | 2006-11-20 | 2007-05-16 | 西南交通大学 | Testing apparatus for high temperature, superconducting, magnetic suspension and dynamic performance and testing method with the same |
| JP2008022694A (en) * | 2006-06-16 | 2008-01-31 | Shinshu Univ | Detection device and detection method for dynamic thrust acting on moving body, and electromagnetic force detection device |
| CN101183141A (en) * | 2007-11-23 | 2008-05-21 | 哈尔滨泰富电气有限公司 | Straight line motor multifunctional dynamic test-bed |
| US20130066532A1 (en) * | 2008-02-06 | 2013-03-14 | General Electric Company | Automatic brake verification system |
| CN203365039U (en) * | 2013-08-05 | 2013-12-25 | 西南交通大学 | Multidirectional dynamic force testing device for medium- and small-sized linear motors |
-
2013
- 2013-08-05 CN CN201310335497.8A patent/CN103424222B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1560579A (en) * | 2004-03-05 | 2005-01-05 | 太原理工大学 | Linear electric machine trust measuring device |
| JP2008022694A (en) * | 2006-06-16 | 2008-01-31 | Shinshu Univ | Detection device and detection method for dynamic thrust acting on moving body, and electromagnetic force detection device |
| CN1948987A (en) * | 2006-11-16 | 2007-04-18 | 北京交通大学 | Dynamic thrust and vertical force testing device of single side type linear induced motor |
| CN1963421A (en) * | 2006-11-20 | 2007-05-16 | 西南交通大学 | Testing apparatus for high temperature, superconducting, magnetic suspension and dynamic performance and testing method with the same |
| CN101183141A (en) * | 2007-11-23 | 2008-05-21 | 哈尔滨泰富电气有限公司 | Straight line motor multifunctional dynamic test-bed |
| US20130066532A1 (en) * | 2008-02-06 | 2013-03-14 | General Electric Company | Automatic brake verification system |
| CN203365039U (en) * | 2013-08-05 | 2013-12-25 | 西南交通大学 | Multidirectional dynamic force testing device for medium- and small-sized linear motors |
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