CN109580139A - A kind of servo valve armature component integral stiffness test device - Google Patents
A kind of servo valve armature component integral stiffness test device Download PDFInfo
- Publication number
- CN109580139A CN109580139A CN201811533027.1A CN201811533027A CN109580139A CN 109580139 A CN109580139 A CN 109580139A CN 201811533027 A CN201811533027 A CN 201811533027A CN 109580139 A CN109580139 A CN 109580139A
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- China
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- armature
- displacement
- armature component
- baffle
- feedback rod
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0075—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by means of external apparatus, e.g. test benches or portable test systems
Abstract
The invention discloses a kind of servo valve armature component integral stiffness test devices, include: being provided with armature component positioning fixture, armature component power loading equipemtn, armature displacement detection device, baffle displacement detection device, feedback rod displacement loading equipemtn and the feedback rod displacement detection device of armature component to be measured；Armature component power loading equipemtn carries out the application of power load to one end of the armature of armature component；Armature displacement detection device is used to carry out displacement detecting to the other end of the armature of armature component, obtains the displacement data of armature；Baffle displacement detection device is used to carry out displacement detecting to the baffle of the armature component, obtains the displacement data of baffle；Feedback rod is displaced loading equipemtn and is used for feedback rod upper end applied force load, and feedback rod displacement detection device is used to carry out displacement detecting to the bulb of feedback rod lower end, obtains the displacement data of bulb.The present invention has the advantages that test process is simple and data testing accuracy is high.
Description
Technical field
The present invention relates to servo valve technology field, in particular to a kind of servo valve armature component integral stiffness test device.
Background technique
In recent years, the application and development of electro-hydraulic servo control technology be considered as measure National Industrial manufacture level and
The one of the important signs that of development of modern industry, in precision machine tool, engineering machinery and metallurgy, mine, petrochemical industry, electrification, ship
And it has a wide range of applications in the main computer boxes such as military project.Electrohydraulic servo valve is as the key member in electrohydraulic servo-controlling system
Part, and armature component is the motor element of most critical in electrohydraulic servo valve, and performance directly restricts electrohydraulic servo valve and is
To the raising of entire electrohydraulic servo system performance.Domestic measurement servo valve armature component integral stiffness mode mainly has two at present
Kind:
(1) hammering method: hammering method is generally realized using to armature component one end using the method tapped, using such mode
The armature component integral stiffness of measurement there are data discrete, error is big, consistency is poor the defects of, furthermore this kind of measurement method by
The factor of interference is more, cannot achieve high precision measurement.
(2) the resonance method: the resonance method is tested by way of to torque-motor input voltage or electric current, this is passed through
The reversed integral stiffness for pushing away armature component between method adopts this method test process complexity, needs to pass through electric signal and pass through
The mode for being mounted to torque-motor component carries out, and testing efficiency is low, cannot achieve quickly quantization detection.
Operation difficulty is big in practical applications for above two working method, and test process is complicated, and error influence factor is more,
It is all difficult to meet servo valve armature component high-precision, efficient test request.
Summary of the invention
The object of the present invention is to provide a kind of servo valve armature component integral stiffness test devices, using directly to servo valve
The mode that armature component carries out simulation loading measures, and realizes so that test process is simple and convenient to operate, data testing accuracy
Height, consistency are good, with a high credibility, and test error influences small purpose.
In order to achieve the goal above, the invention is realized by the following technical scheme:
A kind of servo valve armature component integral stiffness test device includes: being provided with the armature component of armature component to be measured
Positioning fixture, armature component power loading equipemtn, armature displacement detection device, baffle displacement detection device, feedback rod displacement load
Equipment and feedback rod displacement detection device；The one end of the armature component power loading equipemtn to the armature of the armature component
Carry out the application of power load；The armature displacement detection device is used to carry out displacement inspection to the other end of the armature of the armature component
It surveys, obtains the displacement data of the armature；The baffle displacement detection device is used to carry out position to the baffle of the armature component
Detection is moved, the displacement data of the baffle is obtained；The feedback rod displacement loading equipemtn is used to apply the feedback rod upper end
Power load, the feedback rod displacement detection device are used to carry out displacement detecting to the bulb of the feedback rod lower end, obtain described
The displacement data of bulb.
Further, further includes: armature component power loads adjustment equipment, is used to adjust the armature component power load and sets
Standby position.
Further, further includes: armature displacement detecting adjustment equipment is used to adjust the armature displacement detection device
Position.
Further, further includes: baffle displacement detecting adjustment equipment is used to adjust the baffle displacement detection device
Measurement position, the close lower end with the baffle of baffle displacement detection device, makes it possible to the gear to the armature component
The lower end of plate carries out displacement detecting.
Further, further includes: feedback rod displacement load adjustment equipment is used to adjust the feedback rod displacement load and sets
Standby power application position.
Further, computer testing control system is used for the acquisition to the armature, baffle and bulb displacement data
And storage.
Further, the armature component further include: pipe spring；The baffle is nested on feedback rod, the armature and
Pipe spring is successively nested on the baffle, and the armature is located above the pipe spring, and the baffle is located at the feedback rod
Upper end, the feedback rod lower end are exposed at outside the pipe spring and baffle, and the feedback rod lower end and the bulb connect
It connects.
The present invention has the effect that
For the present invention using directly measure by the way of simulation loading to servo valve armature component, test process is simple
Single, operability is good, and test data consistency is good.Accurately adjusting force the position of load can be loaded and be displaced with regulating device, it is real
Now it is displaced the accurate load with power.Armature component is directly detached from servo valve, armature component integral stiffness is realized
Independent detection, be conducive to grasp armature component comprehensive performance, for realize servo valve armature component interchangeability and its module
Change design and provides quantization reference frame.
Detailed description of the invention
Fig. 1 is a kind of structural representation for servo valve armature component integral stiffness test device that one embodiment of the invention provides
Figure；
Fig. 2 is the servo valve armature component structural schematic diagram to be measured that one embodiment of the invention provides.
Specific embodiment
The present invention is further elaborated by the way that a preferable specific embodiment is described in detail below in conjunction with attached drawing.
As shown in Figure 1, a kind of servo valve armature component integral stiffness test device provided in this embodiment, is watched for simulating
It takes valve in normal operation to test the armature component, the test device includes: armature component positioning fixture
2, armature component power loading equipemtn 4, armature component power load adjustment equipment 5, armature displacement detection device 6, armature displacement detecting
Adjustment equipment 7, baffle displacement detection device 10, baffle displacement detecting adjustment equipment 11, feedback rod are displaced loading equipemtn 8, feedback
Bar displacement load adjustment equipment 9, feedback rod displacement detection device 1, and respectively with the armature component power loading equipemtn 4, rank
Iron component power load adjustment equipment 5, armature displacement detection device 6, armature displacement detecting adjustment equipment 7, baffle displacement detecting are set
Standby 10, baffle displacement detecting adjustment equipment 11, feedback rod displacement loading equipemtn 8, feedback rod displacement load adjustment equipment 9 and feedback
The computer testing that bar displacement detection device 1 connects controls equipment.
It continues to refer to figure 1, before testing the armature component, armature component 3 to be measured need to be arranged in the rank
On iron component positioning fixture 2, clamped by the armature component positioning fixture 2.
As shown in Fig. 2, the armature component to be measured 3 further comprises: armature 30, baffle 31, pipe spring 32 and feedback rod
33.Baffle 31 is nested on feedback rod 33, and pipe spring 32 is nested on the baffle 31, and the armature 30 is nested in the baffle
On 31, the armature 30 is located at the top of pipe spring 32, and baffle 31 is located at 33 upper end of feedback rod, outside 33 lower end of feedback rod
It is exposed at outside the pipe spring 32 and baffle 31, and is equipped with a bulb.
Referring again to FIGS. 1, due to servo valve normal power-up operating condition, it is identical as the practical load-up condition being subject to of armature component,
It is possible thereby to analog servomechanism valve normal power-up operating condition, and then measure armature component in work shape to armature component applied force
Integral stiffness value under state.
The armature component power load adjustment equipment 5 is used to adjust the position of the armature component power loading equipemtn 4, makes
Any end that the armature component power loading equipemtn 4 is directed at the armature 30 of the armature component 3 is obtained, the armature component power adds
It carries equipment 4 and the application of power load is carried out to any end of the armature 30 of the armature component 3.
The armature displacement detecting adjustment equipment 7 is for being adjusted the position of the armature displacement detection device 6, institute
The close other end with the armature 30 of armature displacement detection device 6 is stated, the armature to the armature component 3 is made it possible to
30 other end carries out displacement detecting, and the armature displacement detection device 6 is used for the armature component 3 after the load of power load
Armature 30 the other end carry out displacement detecting, obtain the displacement data of the armature 30.The direction of displacement of the armature is water
Square to.
The baffle displacement detecting adjustment equipment 11 is used to carry out the measurement position of the baffle displacement detection device 10
Adjustment, the close lower end with the baffle 31 of the baffle displacement detection device 10 makes it possible to the gear to the armature component 3
The lower end of plate 31 carries out displacement detecting, and the baffle displacement detection device 10 is used for the armature component after the load of power load
3 baffle 31 carries out displacement detecting；Obtain the displacement data of the baffle 31.
The feedback rod displacement load adjustment equipment 9 is used for the power application position to feedback rod displacement loading equipemtn 8
It is adjusted, the feedback rod displacement loading equipemtn 8 is used for the 33 upper end applied force load of feedback rod, the feedback rod position
It moves detection device 1 to be used to detect the displacement of the bulb of 33 lower end of feedback rod, obtains the displacement data of the bulb.
The moving direction of the bulb is vertical direction.
The computer testing control system is mainly used for the armature obtained in test process, baffle and bulb
Acquisition, processing, storage and the printing of displacement data.
In conclusion the present invention is directly tested in servo valve normal power-up operating condition, and armature component is practical is subject to
Operating condition is identical, can accurately measure the integral stiffness value of armature component in the operating condition, be advantageously implemented torque-motor
Interchangeability, modularized design are particularly suitable for the relatively high occasion of Servo-Valve Torque Motor matching request.The present invention is using direct
The mode for carrying out simulation loading to servo valve armature component measures, and test process is simple, and operability is good, test data
Consistency is good.Accurately adjusting force the position of load can be loaded and be displaced with regulating device, realize the accurate load being displaced with power.It will
Armature component is directly detached from servo valve, realizes the independent detection of armature component integral stiffness, is conducive to grasp rank
The comprehensive performance of iron component, for realize servo valve armature component interchangeability and its modularized design provide quantization with reference to according to
According to.
It is discussed in detail although the contents of the present invention have passed through above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the present invention.After those skilled in the art have read above content, for of the invention
A variety of modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (7)
1. a kind of servo valve armature component integral stiffness test device, characterized by comprising:
Be provided with the armature component positioning fixture of armature component to be measured, armature component power loading equipemtn, armature displacement detection device,
Baffle displacement detection device, feedback rod displacement loading equipemtn and feedback rod displacement detection device；
The armature component power loading equipemtn carries out the application of power load to one end of the armature of the armature component；
The armature displacement detection device is used to carry out displacement detecting to the other end of the armature of the armature component, obtains described
The displacement data of armature；
The baffle displacement detection device is used to carry out displacement detecting to the baffle of the armature component, obtains the position of the baffle
Move data；
The feedback rod displacement loading equipemtn is used for the feedback rod upper end applied force load, and the feedback rod displacement detecting is set
It is ready for use on and displacement detecting is carried out to the bulb of the feedback rod lower end, obtain the displacement data of the bulb.
2. servo valve armature component integral stiffness test device as described in claim 1, which is characterized in that further include: armature
Component power loads adjustment equipment, is used to adjust the position of the armature component power loading equipemtn.
3. servo valve armature component integral stiffness test device as claimed in claim 2, which is characterized in that further include: armature
Displacement detecting adjustment equipment is used to adjust the position of the armature displacement detection device.
4. servo valve armature component integral stiffness test device as claimed in claim 3, which is characterized in that further include: baffle
Displacement detecting adjustment equipment, is used to adjust the measurement position of the baffle displacement detection device, and the baffle displacement detecting is set
The standby close lower end with the baffle makes it possible to carry out displacement detecting to the lower end of the baffle of the armature component.
5. the servo valve armature component integral stiffness test device as described in any one of Claims 1 to 4, feature exist
In, further includes: feedback rod displacement load adjustment equipment, the power for being used to adjust the feedback rod displacement loading equipemtn apply position
It sets.
6. servo valve armature component integral stiffness test device as claimed in claim 5, which is characterized in that further include: it calculates
Machine test control system is used for the acquisition and storage to the armature, baffle and bulb displacement data.
7. such as claim 6 servo valve armature component integral stiffness test device, which is characterized in that the armature component also wraps
It includes: pipe spring；The baffle is nested on feedback rod, and the armature and pipe spring are successively nested on the baffle, the rank
Iron is located above the pipe spring, and the baffle is located at the feedback rod upper end, and the feedback rod lower end is exposed at the pipe bullet
Outside spring and baffle, the feedback rod lower end is connect with the bulb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811533027.1A CN109580139B (en) | 2018-12-14 | 2018-12-14 | Servo valve armature subassembly comprehensive rigidity testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811533027.1A CN109580139B (en) | 2018-12-14 | 2018-12-14 | Servo valve armature subassembly comprehensive rigidity testing arrangement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109580139A true CN109580139A (en) | 2019-04-05 |
| CN109580139B CN109580139B (en) | 2020-09-01 |
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ID=65928637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811533027.1A Active CN109580139B (en) | 2018-12-14 | 2018-12-14 | Servo valve armature subassembly comprehensive rigidity testing arrangement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057572A (en) * | 2019-04-26 | 2019-07-26 | 安徽万荣航天设备有限公司 | A kind of servo valve armature component integral stiffness test device |
Citations (4)
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| CN101446532A (en) * | 2008-12-19 | 2009-06-03 | 上海诺玛液压系统有限公司 | Servo valve armature component suspension stiffness testing device |
| CN101446533A (en) * | 2008-12-19 | 2009-06-03 | 上海诺玛液压系统有限公司 | Tool used for measuring electro-hydraulic servo valve tube spring stiffness |
| KR20090057848A (en) * | 2007-12-03 | 2009-06-08 | 국방과학연구소 | Apparatus for measuring dynamic stiffness and controlling method thereof |
| FR3051027A1 (en) * | 2016-05-03 | 2017-11-10 | Zodiac Hydraulics | SERVOVALVE PILOTAGE STAGE, WHICH CAN SERVE AS A FIRST FLOOR IN A SERVOVALVE WITH TWO FLOORS. |
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2018
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20090057848A (en) * | 2007-12-03 | 2009-06-08 | 국방과학연구소 | Apparatus for measuring dynamic stiffness and controlling method thereof |
| CN101446532A (en) * | 2008-12-19 | 2009-06-03 | 上海诺玛液压系统有限公司 | Servo valve armature component suspension stiffness testing device |
| CN101446533A (en) * | 2008-12-19 | 2009-06-03 | 上海诺玛液压系统有限公司 | Tool used for measuring electro-hydraulic servo valve tube spring stiffness |
| FR3051027A1 (en) * | 2016-05-03 | 2017-11-10 | Zodiac Hydraulics | SERVOVALVE PILOTAGE STAGE, WHICH CAN SERVE AS A FIRST FLOOR IN A SERVOVALVE WITH TWO FLOORS. |
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| 丁忠军、丁宇亭等: "伺服阀精密加工技术新进展", 《液压气动与密封》 * |
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| 彭敬辉: "伺服阀衔铁组件的自激振动特性及磁流体的抑振研究", 《中国博士学位论文全文数据库工程科技II辑》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057572A (en) * | 2019-04-26 | 2019-07-26 | 安徽万荣航天设备有限公司 | A kind of servo valve armature component integral stiffness test device |
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| CN109580139B (en) | 2020-09-01 |
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