CN203365039U - Multidirectional dynamic force testing device for medium- and small-sized linear motors - Google Patents
Multidirectional dynamic force testing device for medium- and small-sized linear motors Download PDFInfo
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- CN203365039U CN203365039U CN 201320471975 CN201320471975U CN203365039U CN 203365039 U CN203365039 U CN 203365039U CN 201320471975 CN201320471975 CN 201320471975 CN 201320471975 U CN201320471975 U CN 201320471975U CN 203365039 U CN203365039 U CN 203365039U
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Abstract
The utility model discloses a multidirectional dynamic force testing device for medium- and small-sized linear motors, and is used for dynamic accurate testing of tangential force and vertical force of the medium- and small-sized linear motors. The device mainly consists of a base (100) driven and supported by a slewing bearing (600), a rotary track (200), a tangential sensing device (300), a velocity measurement device (400) and a motor suspension device (500) which supports and fixes a linear motor to be tested (700), wherein the rotary track (200) is arranged in the middle part of the base (100), and the tangential sensing device (300), the velocity measurement device and the motor suspension device (500) are all connected with the base (100) through bolts. The multidirectional dynamic force testing device for the medium- and small-sized linear motors can realize simulation of using environment of the linear motors and satisfy requirements of testing and mounting of the linear motors within a certain range of sizes, and can test tangential and vertical dynamic force of the motors.
Description
Technical field
The utility model relates to the design of dynamic sensitive method of testing and the proving installation structure of linear electric motors vertical force and tangential force, relates in particular to a kind of proving installation for dynamic vertical force and the real-time dynamic test of tangential force between middle-size and small-size linear electric motors and track.
Background technology
Linear electric motors can be directly changed into electric energy straight-line mechanical energy, and without any need for intermediate conversion mechanism, it is similar with common electric rotating machine on principle, can regard an electric rotating machine as by radially cutting open, and the generate plane forms, its kind is identical with conventional motors, for example: DC linear electric motor, the alternating-current synchronous linear electric motors, alternating current impression asynchronous linear motor, step-by-step linear electric motor etc.As the linear servo-actuator that can control kinematic accuracy after occurring the end of the eighties in last century, development along with material (as permanent magnetic material), power device, control technology and sensing technology, the performance of linear servo-actuator improves constantly, cost descends day by day, for it applies the condition created widely.
In recent years, along with scientific and technical development, linear electric motors and Drive Control Technique thereof have obtained considerable progress, its performance is as more and more higher as 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 occasions; Along with the progress of the gordian techniquies such as material, control, the cost of linear electric motors significantly descends simultaneously, and installation and maintenance is day by day easy, and reliability is improved, and makes its application more and more extensive.Such as in the numerically-controlled machine field, traditional kinematic train comprises the intermediate transmission links such as motor, transmission, clutch coupling, has produced larger moment of inertia, elastic deformation, backlass and motion delay, and problems is difficult to fundamentally solve; Linear electric motors become direct-drive, can make machine tool capability be improved and can make main shaft rotatablely move.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 the magnetic-levitation train field, due to its special contactless operation, 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, what consider morely is drive efficiency problem and the Process Problems of linear electric motors, and linear electric motors have two outstanding features in operational process, the one, the motion of linear electric motors drives the power of advancing except producing tangential force, also can produce vertical suction, this power can increase the burden of levitating electromagnet in the operational process of magnetic-levitation train; The 2nd, along with the difference of magnetic-levitation train movement velocity, the vertical reacting force between linear electric motors and track is a dynamic force, along with the difference of movement velocity, changes, and this variation is controlled also can to the suspension stability of magnetic-levitation train and be caused difficulty.Therefore in the application process of linear electric motors, become the key issue of linear electric motors uses for the test of these two dynamic force, proving installation in the past is the process of a static state, be there is no relative motion between track and motor, power that can only tested static, a set of proving installation can only meet a kind of testing requirement of motor simultaneously, causes all needing the otherwise designed proving installation for the test of each linear electric motors.
The utility model proposes a kind of new multidirectional dynamic force test device of middle-size and small-size linear electric motors, by swing-around trajectory, adjustable electric machine mounting device and sensing testing device are set, not only can realize the test of the vertical and tangential dynamic force of linear electric motors, can also meet by the adjusting of erecting device the installation requirements of the linear electric motors in certain limit.
The utility model content
Above deficiency in view of prior art, the purpose of this utility model provides a kind of device of the sensing testing for the linear electric motors dynamic force test, make it by swing-around trajectory, realize the motion between motor and track, and by the sensing testing device, vertical and tangential dynamic force is between the two tested, by adjustable electric machine mounting device and sensing device are set, meet the installation requirements of the motor in the certain size scope simultaneously.
The technical scheme that the utility model adopts is:
The multidirectional dynamic force test device of a kind of middle-size and small-size linear electric motors, for the dynamically accurate test of middle-size and small-size linear electric motors tangential force and vertical force, proving installation mainly is comprised of the suspension device of motor 500 of pivoting support 600 drivings and the base 100 supported, swing-around trajectory 200, tangential sensing device 300, speed measuring device 400 and support and fixing tested linear electric motors 700; Swing-around trajectory 200 is placed in base 100 middle parts, and tangential sensing device 300, speed measuring device all are connected with base 100 by bolt with suspension device of motor 500.
Described suspension device of motor 500 mainly is comprised of cross-brace seat 501, pin type load transducer 502, adjusting double-screw bolt 503, cross-connecting apparatus 504 and installation column 505; Column lower end is installed to be connected with proving installation base 100 by bolt, the column upper end is installed and by bolt, four cross-brace seats is installed, can realize the different installation site of cross-brace seat by the variation of position of mounting hole, meet the installation requirements of different size linear electric motors; Cross-brace seat lower end is equipped with regulates double-screw bolt 503, regulates double-screw bolt and adopts bearing pin to be connected with supporting seat, and bearing pin adopts the pin type load transducer; Regulating the double-screw bolt lower end is 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 link.
Described tangential sensing device 300 mainly forms by regulating push rod 301, drawing and pressing type load transducer 302 and column 303 being installed; Column 303 is installed to be connected with proving installation base 100 by bolt; The two ends of drawing and pressing type load transducer 302 are internal thread, an end by bolt with column be installed be connected, the other end and the adjusting push rod of adjustable in length are connected to meet the installation requirements of different size linear electric motors; The two ends of tested linear electric motors all are equipped with tangential sensing device, by the displacement of push rod 301 straight limit motors 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 utility model, realize the motion between linear electric motors and track by swing-around trajectory is set in proving installation, thereby simulate truly the environment for use of linear electric motors; By adjustable electric machine mounting device, can meet the installation requirements of the motor in the certain size scope, and can regulate the gap between motor and track, thereby carry out the test of the dynamic force under the numerical value of many gaps; By the pin type load transducer is set in adjustable electric machine mounting device, carry out the test of the vertical dynamic force of motor simultaneously, by adjustable drawing and pressing type machine load sensing device is set at the motor two ends, carry out the test of the tangential dynamic force of motor.
By this proving installation that is applied to the multidirectional dynamic force test of middle-size and small-size linear electric motors, can realize the simulation of linear electric motors environment for use and meet test and the installation requirements of linear electric motors in the certain size scope, and can be tested the tangential and vertical dynamic force of motor.
The 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 be 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 utility model is described in further detail.
The course of work of the present utility model:
In conjunction with Fig. 1 and Fig. 2, can see, swing-around trajectory is installed on the center of base by pivoting support, to the driving of linear electric motors, can rotate, and realizes motion between the two; Linear electric motors are positioned at the top of swing-around trajectory by electric machine mounting device, motor is realized the upper and lower displacement adjustment of motor by the double-screw bolt regulated in erecting device, thereby reach the purpose of adjusting gap between motor and track; The test of linear electric motors vertical force realizes 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 purpose of straight limit motor movement, also can realize by the draw-press type sensor in device the test of tangential force; Also be provided with the swing-around trajectory speed measuring device in proving installation, realize the purpose of the linear velocity between testing of electric motors and track by the rotating speed of test tracks.
Can see in conjunction with Fig. 2, be provided with the cross-brace seat in suspension device of motor, by regulating the installation site of cross-brace seat, meet the installation requirements of the motor of different size; Being connected by regulating double-screw bolt between cross-brace seat and motor realizes, by regulating the length of double-screw bolt, realizes the upper-lower position adjustment of motor, reaches the purpose of regulating gap between motor and track; The cross-brace seat with regulate between double-screw bolt as bearing pin is connected, bearing pin employing pin type load transducer, can meet installation requirements, also can to the vertical force of motor, be tested by sensor; Also be provided with cross-connecting apparatus in suspension device of motor, reach the purpose of straight limit motor transverse shifting.
Can see in conjunction with Fig. 3, at the two ends of linear electric motors, be provided with tangential sensing device, the drawing and pressing type load transducer is arranged in device, can be tested the tangential force of motor; Be provided with the adjusting push rod between sensor and motor, by push rod, can carry out position constraint longitudinally to linear electric motors, and, due to the adjustable in length of regulating push rod, can be applicable to the Installation And Test of different size motor.
Embodiment
Fig. 1 to Fig. 7 illustrates an embodiment of the present utility model:
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, can produce and rotatablely move under the effect of linear electric motors tangential force, tested linear electric motors 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 measured by the pin type load transducer in suspension device of motor, and dynamically tangential force is measured by the drawing and pressing type load transducer in tangential sensing device; Also be provided with the 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, make the size of dynamic force to link together with speed.
Tested linear electric motors are realized and being connected of column are installed by regulating double-screw bolt and cross-brace seat, by regulating the length of double-screw bolt, can regulate the level of tested motor and the gap between motor and track, by regulating the position of cross-brace seat, can meet the installation requirements of the linear electric motors of certain limit inside dimension; Regulate double-screw bolt and connected with the employing pin type load transducer that is connected between the cross-brace seat, can play the effect of load, can be measured the power of bearing again; Also be provided with the crossbeam coupling arrangement between by measured motor and installation column, can limit by the transversal displacement of measured motor.
Be provided with the drawing and pressing type load transducer in tangential sensing device, for measuring the dynamic tangential force between linear electric motors and track; The sensor two ends are internal thread hole, wherein an end is connected with the installation column by bolt, and the other end connects regulates push rod, by regulating the length of push rod, distance between adjustable sensor and linear electric motors end, thus meet the Installation And Test requirement of 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, dynamically accurately test for middle-size and small-size linear electric motors tangential force and vertical force, it is characterized in that, proving installation mainly is comprised of the suspension device of motor (500) of pivoting support (600) driving and the base (100) supported, swing-around trajectory (200), tangential sensing device (300), speed measuring device (400) and support and fixing tested linear electric motors (700); Swing-around trajectory (200) is placed in base (100) middle part, and tangential sensing device (300), speed measuring device all are connected with base (100) by bolt with suspension device of motor (500).
2. the multidirectional dynamic force test device of a kind of middle-size and small-size linear electric motors according to claim 1, it is characterized in that, described suspension device of motor (500) mainly is comprised of cross-brace seat (501), pin type load transducer (502), adjusting double-screw bolt (503), cross-connecting apparatus (504) and installation column (505); Column lower end is installed to be connected with proving installation base (100) by bolt, the column upper end is installed and by bolt, four cross-brace seats is installed, can realize the different installation site of cross-brace seat by the variation of position of mounting hole, meet the installation requirements of different size linear electric motors; Cross-brace seat lower end is equipped with regulates double-screw bolt (503), regulates double-screw bolt and adopts bearing pin to be connected with supporting seat, and bearing pin adopts the pin type load transducer; Regulating the double-screw bolt lower end is 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) link.
3. the multidirectional dynamic force test device of a kind of middle-size and small-size linear electric motors according to claim 1, it is characterized in that, described tangential sensing device (300) mainly forms by regulating push rod (301), drawing and pressing type load transducer (302) and column (303) being installed; Column (303) is installed to be connected with proving installation base (100) by bolt; The two ends of drawing and pressing type load transducer (302) are internal thread, an end by bolt with column be installed be connected, the other end and the adjusting push rod of adjustable in length are connected to meet the installation requirements of different size linear electric motors; The two ends of tested linear electric motors all are equipped with tangential sensing device, by the displacement of push rod (301) straight limit motor the tangential force of testing of electric motors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320471975 CN203365039U (en) | 2013-08-05 | 2013-08-05 | Multidirectional dynamic force testing device for medium- and small-sized linear motors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320471975 CN203365039U (en) | 2013-08-05 | 2013-08-05 | Multidirectional dynamic force testing device for medium- and small-sized linear motors |
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| Publication Number | Publication Date |
|---|---|
| CN203365039U true CN203365039U (en) | 2013-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320471975 Withdrawn - After Issue CN203365039U (en) | 2013-08-05 | 2013-08-05 | Multidirectional dynamic force testing device for medium- and small-sized linear motors |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103424222A (en) * | 2013-08-05 | 2013-12-04 | 西南交通大学 | Testing device for multidirectional dynamic force of medium and small sized linear motors |
-
2013
- 2013-08-05 CN CN 201320471975 patent/CN203365039U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103424222A (en) * | 2013-08-05 | 2013-12-04 | 西南交通大学 | Testing device for multidirectional dynamic force of medium and small sized linear motors |
| CN103424222B (en) * | 2013-08-05 | 2015-06-03 | 西南交通大学 | Testing device for multidirectional dynamic force of medium and small sized linear motors |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131225 Effective date of abandoning: 20150603 |
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| RGAV | Abandon patent right to avoid regrant |