CN105974310B - Tunable load linear motor performance is test bed - Google Patents
Tunable load linear motor performance is test bed Download PDFInfo
- Publication number
- CN105974310B CN105974310B CN201610312788.9A CN201610312788A CN105974310B CN 105974310 B CN105974310 B CN 105974310B CN 201610312788 A CN201610312788 A CN 201610312788A CN 105974310 B CN105974310 B CN 105974310B
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- CN
- China
- Prior art keywords
- linear motor
- support base
- load
- adjustable damper
- planker
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
Abstract
The present invention relates to a kind of tunable load linear motor performance is test bed, adjustable damper is connected with above support base, adjustable damper is connected with servo motor, and adjustable damper is connected by non-contact torque sensor with ball screw, and sliding block is connected with above ball screw；Connect cylinder top and top shoe mutually repeatedly, connecting cylinder body both sides are respectively equipped with high frequency load cell, two high frequency load cells are mounted on planker, pass through the cooperation of two high frequency load cells, realize that preload when measuring different linear motors, planker are connect with sliding block, sliding block is connected with the linear guide on changeable type support base, changeable type support base is mounted on the base, and grating scale is fixed on the base.The present invention is suitable for the detection to different linear motor performance indexs, including the test of static characteristic and the test of dynamic characteristic, can carry out applying active load or passive load in the measurements, and can measure for static force or dynamic force.
Description
Technical field
It is especially a kind of to join for different linear motor performances the present invention relates to a kind of linear motor performance is test bed
Testing stand several and for different power and load testing.
Background technology
Linear motor converts electrical energy into the mechanical energy of linear motion, saves a large amount of intermediate transmission mechanisms, accelerates system
Reaction speed substantially increases process velocity and machining accuracy, therefore linear motor is widely used in high-accuracy machining tool.
However, with the extensive use of linear motor, seem ever more important for the test of linear motor comprehensive performance.For example, straight line
The static characteristic test of motor includes repetitive positioning accuracy, and linear motor runs electric parameter, feeds the speed of service, specified property
Can, electrical specification and quality factor etc. and dynamic characteristic test include linear motor maximum thrust, and linear motor movement accelerates
Degree, feeds the stiffness characteristics of testing stand, the load of linear motor and temperature characteristic, the thrust of the start and stop accelerator of servo-drive system
Influencing characterisitic etc..Linear motor property indices will directly influence application of the linear motor in high-accuracy processing.Although
The country has developed the testing stand of each performance test of linear motor at present, but the linear motor with compatibility is surveyed
There is report not yet in the exploitation of examination testing stand.It is existing using the different test bed corresponding performances of detection linear motor
Stage main means of testing, such as the positioning accuracy of linear motor is measured using laser interferometer, use force snesor
Measure linear motor static force, using thermocouple detect linear motor temperature rise situation, however according to different testing stands into
Row measures, it is difficult to by measurement result unification and to analyze the integrated performance index of linear motor, therefore linear motor is comprehensive
Can index measurement be parsed into the key developed for linear motor.
Foreign countries are also relatively fewer to the design and manufacture of such compatibility test platform, although what the test platform of exploitation had
Several specified performances can be measured, but several individual characteies are only tested for the research of linear motor dominant static performance and dynamic property
Energy index is far from being enough.Linear motor is wanted with the high speed development of Chinese automatic industrial to what high efficiency was processed
Ask also higher and higher.
Invention content
It is test bed that the present invention is to provide for a kind of tunable load linear motor performance, and different type is directed to for solving
The compatible driving mechanism of linear motor, with controllable load load maintainer, and support linear motor dynamic characteristic with it is quiet
The technical issues of combined test of step response performance.
For achieving the above object, the technical proposal of the invention is realized in this way：A kind of tunable load linear motor
Property test platform is made of load maintainer and the force measuring machine that can be pre-tightened, and the load maintainer includes support base, servo electricity
Machine, adjustable damper, non-contact torque sensor, ball screw, sliding block are connected with adjustable damping above the support base
Device, adjustable damper are connected with servo motor, and adjustable damper is connected by non-contact torque sensor with ball screw, rolling
Sliding block is connected with above ballscrew；The force measuring machine pre-tightened includes two high frequency load cells, connecting cylinders
Body, planker, grating scale, sliding block, the linear guide, changeable type support base, pedestal, connecting cylinder body top and top shoe
Mutually repeatedly, connecting cylinder body both sides are respectively equipped with high frequency load cell, and two high frequency load cells are mounted on planker, lead to
The cooperation of two high frequency load cells is crossed, realizes that preload when measuring different linear motors, the planker connect with sliding block
It connects, sliding block is connected with the linear guide on changeable type support base, and changeable type support base is mounted on pedestal
On, grating scale is equipped with beside the linear guide, grating scale is fixed on the base.
Supporting rack is housed, the front of adjustable damper passes through between the adjustable damper and non-contact torque sensor
Flat key is connected with non-contact torque sensor, adjustable damper and supporting rack (between connect by bearing, the input of ball screw
It is connected by flat key between axis and non-contact torque sensor, is connected by bearing between ball screw and supporting rack.
The force measuring machine pre-tightened further includes stator plate, and stator protects, and the stator plate passes through hexagon socket head
Roller screw is connected with changeable type support base.
It is fixedly connected by lower bolster between the planker and sliding block, linear motor to be measured is installed in planker lower end.
The beneficial effects of the invention are as follows：
1, the measurement of linear motor active load and passive load may be implemented in the present invention, by servo motor with can resistance trimming
The cooperation of Buddhist nun's device forms passive load load maintainer transmission system, is realized for different straight-line electrics by the transmission of ball screw
The test of machine may be implemented using the experimental provision of this mechanism being composed to linear motor active load and passive load
Measurement, include the maximum thrust of linear motor, linear motor acceleration of motion, in extraneous dynamic force lower feeding testing stand
Dynamic stiffness characteristic, the detection of thrust influencing characterisitic of start and stop accelerator of servo-drive system etc..
2, the cooperation for the high frequency load cell that the present invention can be pre-tightened by two, forms the dynamometric system of measuring mechanism,
Coordinate the work of servo motor and adjustable damper, it can be achieved that detection for linear motor static characteristic and dynamic characteristic, packet
The adjustable installation test of testing stand, the measurement of repetitive positioning accuracy are included, the measurement of linear motor electric parameter feeds the speed of service
Determination, linear motor load and the measurement etc. of temperature characteristic.
Description of the drawings
Fig. 1 is the test bed structural front view of tunable load linear motor performance of the present invention；
Fig. 2 is the left sectional view of Fig. 1；
Fig. 3 is the vertical view of Fig. 1.
Specific implementation mode
The present invention is further illustrated with embodiment below in conjunction with the accompanying drawings.
- 3 are please referred to Fig.1, tunable load linear motor performance of the invention is test bed, by load maintainer and can pre-tighten
Force measuring machine composition.
Load maintainer includes support base 1, servo motor 2, adjustable damper 3, non-contact torque sensor 20, backing plate
17, flat key 18, supporting rack 19, ball screw 5, top shoe 10 etc..Support base 1 is connected with adjustable damper 3, adjustable damping above
Device 3 is connected with servo motor 2, and adjustable damper 3 is connected by the effect of non-contact torque sensor 20 with ball screw 5,
Flat key 18 is connected to adjustable damper 3 and non-contact torque sensor 20, and ball screw 5 is connected with sliding block 10 above.
In load maintainer, the support element by support base 1 as entire load maintainer passes through support base 1 and adjustable damping
The fixation of device 3 ensure that the stabilization of load maintainer, to ensure that stability, support base 1 are connected through a screw thread with adjustable damper 3
Fixed, the rear portion of adjustable damper 3 is connected with the output shaft of servo motor 2, adjustable damper 3 and non-contact torque sensor
Supporting rack 19 is housed, the front of adjustable damper 3 is connected by flat key 18 with non-contact torque sensor 20, adjustable between 20
Connected by bearing between damper 3 and supporting rack 19, between the input shaft and non-contact torque sensor 20 of ball screw 5 by
Flat key 24 is connected, and is connected by bearing between ball screw 5 and supporting rack 19.
The force measuring machine that can be pre-tightened includes the first and second high frequency load cell 8,12, the light by being connect with connecting cylinder body 9
Grid ruler 13, planker 6, lower bolster 7, sliding block 11, the linear guide 14, changeable type support base 15, pedestal 16 etc..Pretightning force can be added
The top of connecting cylinder body 9 of force measuring machine be connected with the top shoe 10 of ball screw 5, the first and second high frequency load cell
8,12 bottom is mounted on planker 6, and the cooperation of the first and second high frequency load cell 8,2 may be implemented to different linear motors
Preload when measurement, linear motor to be measured are installed on 6 lower end of planker, to ensure oneself between planker 6 and linear electric motor primary
By moving, being fixedly connected with lower bolster 7 between planker 6 and sliding block 11, lower bolster 7 is connected by screw with sliding block 11,
It is matched with sliding block 11 with the linear guide 14, changeable type support base 15 is mounted on pedestal 16 by hexagon socket cap head screw
On, corresponding support base can be selected to adapt between linear electric motor primary and linear motor secondary according to different linear motors
Fit clearance is fixedly connected between grating scale 13 and pedestal 16 by screw.The force measuring machine that can be pre-tightened further includes stator plate
21, stator protection 22, stator plate 21 is connected by hexagon socket head roller screw with changeable type support base 15.
The present invention by servo motor, adjustable damper and ball screw, high frequency load cell form force measuring machine,
The combination of changeable type support base, it is test bed to form Multifunctional compatible electrical linear motor performance, can measure application simultaneously
Active load and each performance of linear motor under linear motor performance index when passive load and dynamic force and static force effect
Index.Present invention mainly solves the compatible driving mechanism of different type linear motor, the load maintainer of controllable load, and
Linear motor dynamic characteristic and static characteristic combining properties measuring technology problem.It has the function of entire combination detection, and fits
It is detected for linear motor static characteristic, including the adjustable installation test of testing stand, repetitive positioning accuracy, linear motor run work(
The electric appliances parameter such as rate, electric current, voltage feeds the speed of service, rated performance（Peak value thrust continues thrust, constant of the machine, maximum
Continue dissipated power）, electrical specification（Peak point current, follow current, resistance, inductance, back electromotive-force constant, thrust constant）, quality
Factor and additional data（Electrical time constant, theoretical maximum acceleration, magnetic attracting force and air gap relationship, thermal resistance, wave force）
Deng measurement；Dynamic characteristic detects, including linear motor maximum thrust, linear motor acceleration of motion, in extraneous dynamic action
The dynamic stiffness characteristic of power lower feeding testing stand, linear motor load and temperature characteristic, the start and stop accelerator of servo-drive system push away
The measurement of power influencing characterisitic etc..
Claims (4)
1. a kind of tunable load linear motor performance is test bed, it is made of load maintainer and the force measuring machine that can be pre-tightened,
It is characterized in that：The load maintainer includes support base (1), servo motor (2), adjustable damper (3), contactless torque sensing
Device (20), ball screw (5), top shoe（10）, the support base（1）It is connected with adjustable damper (3), adjustable damper above
(3) it is connected with servo motor (2), adjustable damper (3) passes through non-contact torque sensor (20) and ball screw (5) phase
Even, ball screw (5) is connected with top shoe above（10）；The force measuring machine pre-tightened includes that two high frequency dynamometry pass
Sensor, connecting cylinder body（9）, planker（6）, grating scale（13）, sliding block（11）, the linear guide（14）, changeable type support base
（15）, pedestal（16）, the connecting cylinder body（9）Top and top shoe（10）It is connected, connecting cylinder body（9）Both sides are respectively equipped with
High frequency load cell, two high frequency load cells are mounted on planker（6）On, pass through matching for two high frequency load cells
It closes, realizes preload when measuring different linear motors, the planker（6）With sliding block（11）Connection, sliding block（11）With peace
Mounted in changeable type support base（15）On the linear guide（14）It is connected, changeable type support base（15）Mounted on pedestal
（16）On, the linear guide（14）Side is equipped with grating scale（13）, grating scale（13）It is fixed on pedestal（16）On.
2. tunable load linear motor performance according to claim 1 is test bed, it is characterised in that：It is described can resistance trimming
Supporting rack (19) is housed, the front of adjustable damper (3) passes through flat key between Buddhist nun's device (3) and non-contact torque sensor (20)
(18) it is connected with non-contact torque sensor (20), is connect by bearing between adjustable damper (3) and supporting rack (19), ball
It is connected by flat key (24) between the input shaft of lead screw (5) and non-contact torque sensor (20), ball screw (5) and supporting rack
(19) it is connected by bearing between.
3. tunable load linear motor performance according to claim 1 is test bed, it is characterised in that：It is described to pre-tighten
Force measuring machine further include stator plate（21）, stator protection（22）, the stator plate（21）Pass through hexagon socket head cylinder spiral shell
Nail and changeable type support base（15）It is connected.
4. tunable load linear motor performance according to claim 1 is test bed, it is characterised in that：The planker
(6) it is fixedly connected by lower bolster (7) between sliding block (11), linear motor to be measured is installed in planker (6) lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610312788.9A CN105974310B (en) | 2016-05-12 | 2016-05-12 | Tunable load linear motor performance is test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610312788.9A CN105974310B (en) | 2016-05-12 | 2016-05-12 | Tunable load linear motor performance is test bed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105974310A CN105974310A (en) | 2016-09-28 |
| CN105974310B true CN105974310B (en) | 2018-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610312788.9A Expired - Fee Related CN105974310B (en) | 2016-05-12 | 2016-05-12 | Tunable load linear motor performance is test bed |
Country Status (1)
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107449363A (en) * | 2017-09-01 | 2017-12-08 | 广东技术师范学院 | A kind of high accuracy, multi-functional leading screw measuring machine |
| CN107598869B (en) * | 2017-09-11 | 2020-06-05 | 中国工程物理研究院机械制造工艺研究所 | Damping-adjustable precise direct-drive air floating platform |
| CN110275108B (en) * | 2018-03-16 | 2021-09-28 | 中国石油天然气股份有限公司 | Linear motor detection system and method |
| CN109188277B (en) * | 2018-09-14 | 2020-10-09 | 上海理工大学 | Linear motor thrust fluctuation detection test bed |
| CN110412465A (en) * | 2019-08-06 | 2019-11-05 | 哈尔滨工业大学 | Double lead-screw synchronizes drive type straight-line electromechanical testing platform |
| CN112731144A (en) * | 2020-12-24 | 2021-04-30 | 太和县职到智控科技有限公司 | Motor drive and motion control test device |
| CN114295404A (en) * | 2021-12-30 | 2022-04-08 | 长沙一派直驱科技股份有限公司 | Linear motor performance testing method |
| CN115236510B (en) * | 2022-09-21 | 2022-12-06 | 西北工业大学 | Linear electric motor performance test bench |
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| CN105974310A (en) | 2016-09-28 |
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