CN108445432A - High-precision floating electromagnet tension test device and its method - Google Patents
High-precision floating electromagnet tension test device and its method Download PDFInfo
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- CN108445432A CN108445432A CN201810540657.5A CN201810540657A CN108445432A CN 108445432 A CN108445432 A CN 108445432A CN 201810540657 A CN201810540657 A CN 201810540657A CN 108445432 A CN108445432 A CN 108445432A
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- bottom plate
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/12—Measuring magnetic properties of articles or specimens of solids or fluids
- G01R33/1253—Measuring galvano-magnetic properties
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
Present invention is disclosed a kind of high-precision floating electromagnet tension test device and its method, which includes ontology and the floating armature positioned at described ontology one end；Including bottom plate and the plummer for being used for carrying the ontology is set on the bottom plate, the plummer is equipped with the energization component to make the intrinsic coil be powered；The bottom plate is equipped with force servo component, and the force servo component is connect by Buffer Unit with floating armature, to drive the floating armature to be moved along the central axes direction of the ontology.The beneficial effects are mainly as follows：It is simple in structure, deft design, the device can play cushioning effect to force servo component, avoid the pressure in a flash in rigid work or completion work larger, the problem for causing measured value not accurate enough, meanwhile avoidable active force directly acts on pressure sensor, greatly extends the service life of pressure sensor.
Description
Technical field
The present invention relates to a kind of device for testing tensile force, specifically, more particularly to a kind of high-precision floating electromagnet pulling force
Test device and its method.
Background technology
In recent years, it with auto industry, the rapid development of aircraft industry, shipping industry, especially floats electricity to electromagnet
The quantity demand of magnet gradually increases, and higher and higher, the manufacture skill of floating electromagnet is required to performance indicators such as speed, electromagnetic forces
The development degree of art and detection control technology will directly affect China in the competing of the high-tech areas such as world's military affairs, aviation, automobile
The fast development for striving market position and Chinese national economy, this requires us to design, produces with quick, accurate efficient
Floating electromagnet performance detecting system.
It is described as disclosed a kind of electromagnet tension test device, including a bottom plate in Authorization Notice No. 203024917U
It is provided with electromagnet fixing device and electromagnet test device on bottom plate, iron block and tensile test are provided in the test device
Sensor.The invention solves in Conventional process and measures various problems caused by electromagnet pulling force using tensiometer,
Realize electromagnet tension test device so that can accurately conveniently test out electricity when carrying out electromagnet tensile test
The numerical value of magnet pulling force, and production cost is reduced, it is that company's raising competitiveness is made that important tribute to accelerate working efficiency
It offers.
But be directly connected to by cylinder and sensor without buffer unit in foregoing invention, it is working in a flash and is completing
In a flash, active force is larger, causes sensor measurement data not accurate, while easily leading to sensor degradation for work.In addition,
Electromagnet coil whether there is problem, can not directly detect, also need to be detected by other detection coil detection devices, grasp
It is cumbersome to make process, influences working efficiency.
For the above the deficiencies in the prior art, it is badly in need of being improved the prior art at present.
Invention content
The purpose of the present invention is overcoming the shortcomings of the prior art, a kind of high-precision floating electromagnet tensile test is provided
Devices and methods therefor.
The purpose of the present invention is achieved through the following technical solutions：
A kind of high-precision floating electromagnet tension test device, the electromagnet include ontology and floating positioned at described ontology one end
Moving armature；Including bottom plate and the plummer for being used for carrying the ontology is set on the bottom plate, the plummer is equipped with
To the energization component for making the intrinsic coil be powered；The bottom plate is equipped with force servo component, the force servo component
It is connect with floating armature by Buffer Unit, to drive the floating armature to be moved along the central axes direction of the ontology.
Preferably, the plummer is equipped with a host cavity to match with the ontology outer profile and is arranged described
The press component of host cavity side, the press component include at least rotary cylinder and consolidate with the cylinder axis of the rotary cylinder
The rotating arm connect, a briquetting made of excellent power glue is installed on the lower surface of the rotating arm, and the briquetting just will
The ontology pressing is in the host cavity.
Preferably, the energization component includes the first cylinder being installed on the plummer, the gas of first cylinder
Cylinder shaft is affixed with connecting plate, and fixed on the connecting plate there are two testing needle, the testing needle pressable or the release ontologies
Interior coil, and be electrically connected with the power supply being arranged on the plummer.
Preferably, the bottom plate is equipped with the drive component for driving the plummer to be moved on the bottom plate, the drive
Dynamic component includes at least the first sliding block being installed on the bottom plate, and first sliding block is equipped with the first sliding rail, the carrying
The bottom of platform is equipped with the first sliding groove to match with first sliding rail；The plummer drives it described by the second cylinder
It is slided on one sliding block.
Preferably, the force servo component includes at least the second sliding rail being installed on bottom plate and is arranged described second
The second sliding block on sliding rail, second sliding block are equipped with the second sliding slot to match with the second sliding rail outer profile；It is described
Second sliding block one end adjacent with the ontology is connect with pressure sensor, and the pressure sensor connects with the Buffer Unit
It connects.
Preferably, the force servo component further includes the first locating part being installed on the bottom plate and is arranged described
In first locating part can rotation the first lead screw, first lead screw and third sliding block are screw rod transmission, the third sliding block with
It is connected by slide plate between second sliding block.
Preferably, the first driving motor for driving the first lead screw rotation is additionally provided on the bottom plate, described first drives
Dynamic to be connected by transmission component between motor and first lead screw, the transmission component, which includes at least, is installed in first drive
Driving gear on dynamic motor axis and the transmission gear being installed on first lead screw, the driving gear with it is described
Transmission gear is meshed.
Preferably, the Buffer Unit includes at least the link block affixed with the pressure sensor, the link block
One end is equipped with one first hook, and the other end is equipped with an opening, and the opening is equipped with one and passes through glue with the floating armature
The measuring head of connection, the outer profile of the measuring head are more than the outer profile of the opening, and described in it at least partly extends and be placed in
In opening, extend and be placed in measuring head in the opening and be equipped with the second hook, second hook and first hook it
Between connected by spring.
Preferably, it is fixedly provided with the second locating part on the bottom plate and be arranged in second locating part can rotation
Second lead screw, second lead screw are driven by the second driving motor, and second lead screw and Four-slider are screw rod transmission, institute
It states and is installed with an ink jet numbering machine on Four-slider, the code spraying head of the ink jet numbering machine can be located at the surface of the ontology.
High-precision floating electromagnet pull force test method, includes the following steps：
First the electromagnet ontology is positioned in the host cavity of the plummer, starts rotary cylinder, the rotary cylinder drives
The dynamic rotating arm affixed with its cylinder axis rotates, so that the briquetting pressing being installed on the rotating arm is on the body；
The driving of first cylinder is installed in the movement of the connecting plate on its cylinder axis, until two testing needles on the connecting plate
Intrinsic coil is pressed on, the intrinsic coil is made to be in obtain electricity condition；
Second cylinder drives the first sliding block and the plummer being installed on the first sliding block synchronization to be slided on the first sliding rail, until
Run to stop motion behind corresponding position；
First driving motor by the first lead screw drive third sliding block and with the third sliding block by slide plate it is affixed second
Sliding block synchronizing moving, the second sliding block movement drives pressure sensor, link block and measuring head synchronizing moving, to described
Pressure sensor measures value of thrust；
Second driving motor drives Four-slider and the ink jet numbering machine being installed on the Four-slider to move by the second lead screw,
After moving to corresponding position, the ink jet numbering machine completes ink-jet action to the ontology.
The beneficial effects are mainly as follows：
1, simple in structure, the limit to electromagnet is realized in the setting of deft design, plummer and press component, avoids testing
It is moved in journey, improves the accuracy of test；
2, the setting of energization component can be detected the coil in electromagnet, simple operation, meanwhile, electromagnet is in energization shape
Under state, magnetism is generated, in order to follow-up test；
3, the setting of force servo component, which can apply floating armature, draws side, until being detached from electromagnet ontology, pressure sensor essence
Quasi- reading numerical values measure precisely, greatly reduce error；
4, the setting of Buffer Unit can play cushioning effect to force servo component, avoid in rigid work or complete work in a flash
Pressure is larger, the problem for causing measured value not accurate enough, meanwhile, avoidable active force directly acts on pressure sensor,
Greatly extend the service life of pressure sensor.
Description of the drawings
Technical scheme of the present invention is further explained below in conjunction with the accompanying drawings：
Fig. 1：The structural schematic diagram of the present invention；
Fig. 2：The enlarged drawing of part A in Fig. 1；
Fig. 3：The part-structure schematic diagram of Buffer Unit in the present invention.
Specific implementation mode
Below with reference to specific implementation mode shown in the drawings, the present invention will be described in detail.But these embodiments are simultaneously
It is not limited to the present invention, structure that those skilled in the art are made according to these embodiments, method or functionally
Transformation is included within the scope of protection of the present invention.
As shown in Figure 1 to Figure 3, present invention is disclosed a kind of high-precision floating electromagnet tension test device, the electromagnet
Floating armature 101 including ontology 100 and positioned at 100 one end of the ontology, the floating armature 101 and the ontology 100
End face it is parallel.Coil is equipped in the ontology 100（It is not shown in figure）, coil is in the case where obtaining electricity condition, internal work
Plug（It is not shown in figure）It generates magnetism the floating armature 101 is sucked.
In the present invention, the high-precision floating electromagnet tension test device includes that bottom plate 1 and setting exist
Plummer 2 on the bottom plate 1 for carrying the ontology 100, the bottom plate 1, which is equipped with, drives the plummer 2 described
The drive component 7 moved on bottom plate 1, the driving component 7 include at least the first sliding block 71 being installed on the bottom plate 1, institute
It states the first sliding block 71 and is equipped with the first sliding rail 72, the bottom of the plummer 2 is equipped with the to match with first sliding rail 72
One sliding slot, the plummer 2 drive it to be slided on first sliding block 71 by the second cylinder.The plummer 2 is equipped with one
The host cavity 21 to match with 100 outer profile of the ontology, the ontology 100 are accommodated in the host cavity 21.The carrying
Be additionally provided with a press component 6 on platform 2, the press component 6 include at least rotary cylinder 61 and with the rotary cylinder 61
Cylinder axis affixed rotating arm 62 is installed with a briquetting made of excellent power glue on the lower surface of the rotating arm 62, described
Briquetting is just by the pressing of the ontology 100 in the host cavity 21.The press component 6 and 2 phase interworking of the plummer
Conjunction limits the ontology 100, avoids position during follow-up test from moving, harmful effect is caused to the numerical value of test.
The plummer 2 is equipped with the energization component 3 to make the coil in the ontology 100 be powered, specifically, described
Energization component 3 includes the first cylinder 31 being installed on the plummer 2, cylinder axis and the connecting plate 32 of first cylinder 31
It is affixed, it is fixed there are two testing needle 33 on the connecting plate 32, in 33 pressable of the testing needle or the release ontology 100
Coil, and be electrically connected with the power supply being arranged on the plummer 2.Its course of work is as follows：First cylinder 31 drives
The connecting plate 32 and two testing needles 33 movement being installed on the connecting plate 32, pressable or the release ontology
Coil in 100.When two testing needles 33 press the coil in the ontology 100, the ontology 100 is in obtain electric shape
State, internal piston（It is not shown in figure）It generates magnetism the floating armature 101 is sucked.When two testing needles 33 discharge
When coil in the ontology 100, the ontology 100 is in power failure state, internal piston（It is not shown in figure）It is nonmagnetic,
It is detached with the floating armature 101.The setting of the energization component 3 can be detected the coil in electromagnet, simple operation,
Greatly improve working efficiency.
The bottom plate 1 is equipped with force servo component 4, to drive the floating armature 101 along the central axes of the ontology 100
It moves in direction.Specifically, the force servo component 4 includes at least the second sliding rail 41 being installed on bottom plate 1 and is arranged in institute
State the second sliding block 42 on the second sliding rail 41, second sliding block 42 is equipped with to match with 41 outer profile of the second sliding rail
Second sliding slot.Second sliding block, 42 one end adjacent with the ontology 100 is connect with pressure sensor 43, the pressure sensing
Device 43 is connect with the Buffer Unit 5.The setting of the Buffer Unit 5 can play cushioning effect to the force servo component, keep away
Exempt from, the problem that causes measured value not accurate enough larger in the pressure in a flash of rigid work or completion work, meanwhile, it can avoid making
It firmly directly acts on pressure sensor, greatly extends the service life of pressure sensor.Specifically, the Buffer Unit
5 include at least the link block 51 affixed with the pressure sensor 43, and one end of the link block 51 is equipped with one first hook
52, the other end is equipped with an opening 53, and the opening 53 is equipped with a measuring head for passing through glue connection with the floating armature 101
54, the outer profile of the measuring head 54 is more than the outer profile of the opening 53, and it at least partly extends to be placed in and described is open 53
It is interior, extend the measuring head 54 being placed in the opening 53 and be equipped with the second hook 56, second hook 56 blocks with described first
It is connected by spring 55 between hooking 52.
In the present invention, the force servo component 4 further includes the first locating part 44 being installed on the bottom plate 1 and setting
In first locating part 44 can rotation the first lead screw 45, first lead screw 45 and third sliding block 46 are screw rod transmission,
It is connected by slide plate 47 between the third sliding block 46 and second sliding block 42.Further, it is additionally provided with drive on the bottom plate 1
The first driving motor 48 that dynamic first lead screw 45 rotates, leads between first driving motor 48 and first lead screw 45
Transmission component connection is crossed, the transmission component includes at least the driving gear being installed on 48 motor shaft of the first driving motor
And it is installed in the transmission gear on first lead screw 45, the driving gear is meshed with the transmission gear.
In the present invention, it is fixedly provided with the second locating part 11 on the bottom plate 1 and is arranged in second locating part 11
Can rotation the second lead screw 12, second lead screw 12 is driven by the second driving motor 15, and second lead screw 12 and the 4th
Sliding block 13 is screw rod transmission, is installed with an ink jet numbering machine 14 on the Four-slider 13, the code spraying head of the ink jet numbering machine 14 can be located at
The surface of the ontology 100.
The course of work of the invention is simply illustrated below：The electromagnet ontology 100 is first positioned over the carrying
In the host cavity of platform 2, starting rotary cylinder 61, the driving of the rotary cylinder 61 is rotated with the affixed rotating arm 62 of its cylinder axis,
So that the briquetting being installed on the rotating arm 62 presses on the ontology 100.The driving of first cylinder 31 is installed in its gas
Connecting plate 32 in cylinder shaft moves, until two testing needles 33 on the connecting plate 32 press on the line in ontology 100
Circle makes the coil in the ontology 100 be in obtain electricity condition.Second cylinder drives the first sliding block 71 and is installed in the first sliding block
The synchronization of plummer 2 on 71 is slided on the first sliding rail 72, until running to stop motion behind corresponding position.First driving motor
48 drive third sliding block 46 by the first lead screw 45 and pass through the second affixed sliding block 42 of slide plate 47 with the third sliding block 46
Synchronizing moving, the movement of the second sliding block 42 drive pressure sensor 43,54 synchronizing moving of link block 51 and measuring head, to
The pressure sensor 43 measures value of thrust.Second driving motor 15 drives Four-slider 13 and fixed by the second lead screw 12
Ink jet numbering machine 14 on the Four-slider 13 moves, and after moving to corresponding position, the ink jet numbering machine 14 completes the ontology 100
Ink-jet acts.
The beneficial effects are mainly as follows：
1, simple in structure, the limit to electromagnet is realized in the setting of deft design, plummer and press component, avoids testing
It is moved in journey, improves the accuracy of test；
2, the setting of energization component can be detected the coil in electromagnet, simple operation, meanwhile, electromagnet is in energization shape
Under state, magnetism is generated, in order to follow-up test；
3, the setting of force servo component, which can apply floating armature, draws side, until being detached from electromagnet ontology, pressure sensor essence
Quasi- reading numerical values measure precisely, greatly reduce error；
4, the setting of Buffer Unit can play cushioning effect to force servo component, avoid in rigid work or complete work in a flash
Pressure is larger, the problem for causing measured value not accurate enough, meanwhile, avoidable active force directly acts on pressure sensor,
Greatly extend the service life of pressure sensor.
It should be appreciated that although this specification is described in terms of embodiments, but not each embodiment only includes one
A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say
As a whole, the technical solution in each embodiment may also be suitably combined to form those skilled in the art can for bright book
With the other embodiment of understanding.
The series of detailed descriptions listed above only for the present invention feasible embodiment specifically
Bright, they are all without departing from equivalent implementations made by technical spirit of the present invention not to limit the scope of the invention
Or change should all be included in the protection scope of the present invention.
Claims (10)
1. high-precision floating electromagnet tension test device, which includes ontology（100）And it is located at the ontology（100）
The floating armature of one end（101）；It is characterized in that：Including bottom plate（1）And it is arranged in the bottom plate（1）On it is described for carrying
Ontology（100）Plummer（2）, the plummer（2）It is equipped with to make the ontology（100）The energization that interior coil is powered
Component（3）；The bottom plate（1）It is equipped with force servo component（4）, the force servo component（4）Pass through Buffer Unit（5）With floating
Armature（101）Connection, to drive the floating armature（101）Along the ontology（100）Central axes direction movement.
2. high-precision floating electromagnet tension test device according to claim 1, it is characterised in that：The plummer
（2）It is equipped with one and the ontology（100）The host cavity that outer profile matches（21）And it is arranged in the host cavity（21）One
The press component of side（6）, the press component（6）Including at least rotary cylinder（61）And with the rotary cylinder（61）Gas
The affixed rotating arm of cylinder shaft（62）, the rotating arm（62）Lower surface on be installed with a briquetting made of excellent power glue, institute
Briquetting is stated just by the ontology（100）Pressing is in the host cavity（21）It is interior.
3. high-precision floating electromagnet tension test device according to claim 2, it is characterised in that：The energization component
（3）Including being installed in the plummer（2）On the first cylinder（31）, first cylinder（31）Cylinder axis and connecting plate
（32）It is affixed, the connecting plate（32）It is above fixed that there are two testing needles（33）, the testing needle（33）Described in pressable or release
Ontology（100）Interior coil, and with setting in the plummer（2）On power supply be electrically connected.
4. high-precision floating electromagnet tension test device according to claim 3, it is characterised in that：The bottom plate（1）
It is equipped with and drives the plummer（2）In the bottom plate（1）The drive component of upper movement（7）, the driving component（7）At least wrap
It includes and is installed in the bottom plate（1）On the first sliding block（71）, first sliding block（71）It is equipped with the first sliding rail（72）, described to hold
Microscope carrier（2）Bottom be equipped with and first sliding rail（72）The first sliding groove to match；The plummer（2）It is driven by the second cylinder
It is moved in first sliding block（71）Upper sliding.
5. high-precision floating electromagnet tension test device according to claim 1, it is characterised in that：The force servo group
Part（4）Including at least being installed in bottom plate（1）On the second sliding rail（41）And it is arranged in second sliding rail（41）On second
Sliding block（42）, second sliding block（42）It is equipped with and second sliding rail（41）The second sliding slot that outer profile matches；It is described
Second sliding block（42）With the ontology（100）Adjacent one end and pressure sensor（43）Connection, the pressure sensor（43）
With the Buffer Unit（5）Connection.
6. high-precision floating electromagnet tension test device according to claim 5, it is characterised in that：The force servo group
Part（4）Further include being installed in the bottom plate（1）On the first locating part（44）And it is arranged in first locating part（44）It is interior
Can rotation the first lead screw（45）, first lead screw（45）With third sliding block（46）For screw rod transmission, the third sliding block
（46）With second sliding block（42）Between pass through slide plate（47）Connection.
7. high-precision floating electromagnet tension test device according to claim 6, it is characterised in that：The bottom plate（1）
On be additionally provided with driving first lead screw（45）First driving motor of rotation（48）, first driving motor（48）With it is described
First lead screw（45）Between connected by transmission component, the transmission component include at least be installed in first driving motor
（48）Driving gear on motor shaft and it is installed in first lead screw（45）On transmission gear, the driving gear and institute
Transmission gear is stated to be meshed.
8. high-precision floating electromagnet tension test device according to claim 7, it is characterised in that：The Buffer Unit
（5）Including at least with the pressure sensor（43）Affixed link block（51）, the link block（51）One end be equipped with one
First hook（52）, the other end is equipped with an opening（53）, the opening（53）It is equipped with one and the floating armature（101）It is logical
Cross the measuring head of glue connection（54）, the measuring head（54）Outer profile be more than the opening（53）Outer profile, and it is at least
Part, which extends, is placed in the opening（53）Interior, extension is placed in the opening（53）Interior measuring head（54）It is equipped with the second hook
（56）, second hook（56）With first hook（52）Between pass through spring（55）Connection.
9. high-precision floating electromagnet tension test device according to claim 8, it is characterised in that：The bottom plate（1）
On be fixedly provided with the second locating part（11）And it is arranged in second locating part（11）It is interior can rotation the second lead screw（12）, institute
State the second lead screw（12）By the second driving motor（15）Driving, and second lead screw（12）With Four-slider（13）It is passed for lead screw
It is dynamic, the Four-slider（13）On be installed with an ink jet numbering machine（14）, the ink jet numbering machine（14）Code spraying head can be located at the ontology
（100）Surface.
10. high-precision floating electromagnet pull force test method, it is characterised in that：Include the following steps：
S1, first by the electromagnet ontology（100）It is positioned over the plummer（2）Host cavity in, start rotary cylinder（61）,
The rotary cylinder（61）Driving and the affixed rotating arm of its cylinder axis（62）Rotation, so as to be installed in the rotating arm（62）On
Briquetting press in the ontology（100）On；
S2, after the completion of waiting for S1 steps, the first cylinder（31）Driving is installed in the connecting plate on its cylinder axis（32）It is mobile, until position
In the connecting plate（32）On two testing needles（33）Press on ontology（100）Interior coil makes the ontology（100）Interior
Coil is in obtain electricity condition；
S3, after the completion of waiting for S2 steps, the second cylinder drive the first sliding block（71）And it is installed in the first sliding block（71）On carrying
Platform（2）It synchronizes in the first sliding rail（72）Upper sliding, until running to stop motion behind corresponding position；
S4, after the completion of waiting for S3 steps, the first driving motor（48）Pass through the first lead screw（45）Drive third sliding block（46）And with
The third sliding block（46）Pass through slide plate（47）The second affixed sliding block（42）Synchronizing moving, second sliding block（42）Mobile band
Dynamic pressure force snesor（43）, link block（51）And measuring head（54）Synchronizing moving, to the pressure sensor（43）It measures
Value of thrust；
S5, after the completion of waiting for S4 steps, the second driving motor（15）Pass through the second lead screw（12）Drive Four-slider（13）And it is solid
It is located at the Four-slider（13）On ink jet numbering machine（14）It is mobile, after moving to corresponding position, the ink jet numbering machine（14）To described
Body（100）Complete ink-jet action.
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| CN201810540657.5A CN108445432B (en) | 2018-05-30 | 2018-05-30 | High-precision floating electromagnet tensile force testing device and method thereof |
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| CN201810540657.5A CN108445432B (en) | 2018-05-30 | 2018-05-30 | High-precision floating electromagnet tensile force testing device and method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108983009A (en) * | 2018-09-10 | 2018-12-11 | 中车青岛四方机车车辆股份有限公司 | A kind of levitating electromagnet static properties test platform and testing stand |
| CN109061532A (en) * | 2018-08-31 | 2018-12-21 | 江苏核电有限公司 | A kind of device and method for the test of magnetic valve driving mechanism pull characteristics |
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| CN109061532B (en) * | 2018-08-31 | 2023-09-08 | 江苏核电有限公司 | Device and method for testing suction characteristic of electromagnetic valve driving mechanism |
| CN108983009A (en) * | 2018-09-10 | 2018-12-11 | 中车青岛四方机车车辆股份有限公司 | A kind of levitating electromagnet static properties test platform and testing stand |
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| CN108445432B (en) | 2023-06-30 |
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