CN106609784B - A kind of spool micro displacement testing device - Google Patents
A kind of spool micro displacement testing device Download PDFInfo
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- CN106609784B CN106609784B CN201510686079.2A CN201510686079A CN106609784B CN 106609784 B CN106609784 B CN 106609784B CN 201510686079 A CN201510686079 A CN 201510686079A CN 106609784 B CN106609784 B CN 106609784B
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- platform
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Abstract
The invention belongs to testing fields, and in particular to a kind of spool micro displacement testing device.The device includes that Y-direction adjusts platform, the fixed X for being located at Y-direction adjusting platform one end to adjusting platform, the fixed X that is located to the Z-direction adjusting platform for adjusting platform relative to the Y-direction adjusting platform other end, and Y-direction adjusts platform and can be moved along Y-direction；X can be moved in X direction to platform is adjusted；Z-direction adjusts platform and can be moved along Z-direction.The present invention is tested by carrying out accurate, quantization to valve core of servo valve micro-displacement, is laid the first stone for research spool viscous damping coefficient constant power grade parameter.
Description
Technical field
The invention belongs to testing fields, and in particular to a kind of spool micro displacement testing device.
Background technology
Servo valve is the core control element of servo mechanism.The function that it is mainly completed is by small milliwatt electric signal
The hydraulic flow output for being converted to tens of kilowatt, the pivot angle of servo mechanism is controlled by closed-loop control system, to reach to leading
Play the purpose that state of flight carries out vector controlled.
The performance of servo valve directly affects the performance of servo-drive system.In currently available technology, servo valve external behavior is ground
Study carefully that content is more, but to directly causing the basic research that servo valve external behavior changes relatively fewer, such as to servo valve power
The basic characteristic research of grade spool, such as the projects research such as spool viscous damping coefficient, coulomb coefficient.Due to basic to these
Study less, mostly in servo valve design referred to using empirical theory, and accurate guidance work can not be formed to design
With, it is therefore desirable to basic research is carried out to servo valve.
Invention content
It is to carry out servo valve power stage the technical problem to be solved in the present invention is to provide a kind of spool micro displacement testing device
One pith of spool part basis design lays the first stone for research spool viscous damping coefficient constant power grade parameter.
In order to solve the above technical problems, a kind of spool micro displacement testing device of the present invention, which includes that Y-direction adjusting is flat
Platform, the fixed X that platform one end is adjusted positioned at Y-direction adjust platform to adjusting platform to adjusting platform, the fixed X that is located at relative to Y-direction
The Z-direction of the other end adjusts platform, and Y-direction adjusts platform and can be moved along Y-direction；X can be moved in X direction to platform is adjusted；Z-direction
Adjusting platform can move along Z-direction.
It includes Y support sections and the Y movable parts positioned at Y support sections top, Y moving portions that the Y-direction, which adjusts platform,
Divide and is fixed with the X to platform is adjusted；Y movable parts are moved relative to Y support sections, and Y-direction regulating device adjusts Y moving portions
The movement divided, Y-direction platform locking device lock Y movable parts.
The X includes X support sections and X movable parts positioned at X support sections top, X moving portions to platform is adjusted
Divide and is fixed with Z-direction adjusting platform；Z movable parts are moved relative to Z support sections, and X adjusts X moving portions to regulating device
The movement divided, X lock X movable parts to platform locking device.
It includes Z support sections and the Z movable parts positioned at Z support sections top, Z moving portions that the Z-direction, which adjusts platform,
Split-phase moves Z support sections, and Z-direction regulating device adjusts the movement of Z movable parts, and Z-direction platform locking device is to Z moving portions
Divide and is locked.
Y-direction regulating device is fixed on Y support sections side, and the ball-screw inside Y-direction regulating device connects with Y support sections
It connects, the ball nut inside regulating device is connect with Y movable parts, by rotating the knurled knob of Y-direction regulating device one end, is made
It obtains ball-screw and relative displacement occurs with ball nut, to push Y movable parts that Y-direction displacement occurs.
X is fixed on Y support sections side to regulating device, and X connects to the ball-screw inside regulating device with X support sections
It connects, the ball nut inside regulating device is connect with X movable parts, by rotating X to the knurled knob of regulating device one end, is made
It obtains ball-screw and relative displacement occurs with ball nut, to push X movable parts that X occurs to displacement.
Z-direction regulating device is fixed on Z support sections side, and the ball-screw inside Z-direction regulating device connects with Z support sections
It connects, the ball nut inside regulating device is connect with Z movable parts, by rotating X to the knurled knob of regulating device one end, is made
It obtains ball-screw and relative displacement occurs with ball nut, to push Z movable parts that Z-direction displacement occurs.
The circumferential direction of the knurled knob of Y-direction regulating device has scale, and the precision of scale is 1 μm；X is revolved to the annular knurl of regulating device
The circumferential direction of button has scale, and the precision of scale is 1 μm；The circumferential direction of the knurled knob of Z-direction regulating device has the scale, the precision of scale to be
1μm。
Y-direction platform locking device includes being fixed on the ball-screw guider of Y support sections and being fixed on guider
On be locked into knob；X includes being fixed on the ball-screw guider of X support sections and being fixed on guiding to platform locking device
It is locked into knob on device；Z-direction platform locking device includes being fixed on the ball-screw guider of Z support sections and being fixed on
It is locked into knob on guider.
The beneficial technical effect of the present invention lies in：It is tested by carrying out accurate, quantization to valve core of servo valve micro-displacement, to grind
Study carefully spool viscous damping coefficient constant power grade parameter to lay the first stone.The present apparatus can be separately adjustable micro- in tri- direction X, Y, Z respectively
Displacement.And when a direction is adjusted, other other two directions can be accurately positioned, unaffected.The present apparatus is in X, Y, Z
Three direction micro-displacement adjustable ranges can reach 30mm × 30mm × 50mm.In X, Y, Z, either one is adjusted up microbit to the present apparatus
When shifting, it can be adjusted to continuous seamless positive and negative, degree of regulation can reach 1um.And after the completion of adjusting, there is lock function.
When being tested spool displacement using the present apparatus, precision can reach 0.1um.
Description of the drawings
Fig. 1 is a kind of spool micro displacement testing device front view of the present invention；
Fig. 2 is a kind of spool micro displacement testing device left view of the present invention；
Fig. 3 is a kind of spool micro displacement testing device structural schematic diagram of the present invention.
In figure：1-Z is to adjusting platform, 2-Z to regulating device, 3-X to adjusting platform, 4-X to regulating device, 5-Y to tune
Platform, 6-Y are saved to regulating device, 7-Z to platform locking device, 8-Y to platform locking device, 9-X to platform locking device.
Specific implementation mode
Invention is further described in detail with reference to the accompanying drawings and examples.
A kind of spool micro displacement testing device of the present invention, the device include that Y-direction adjusts platform 5, is located at Y-direction adjusting platform 5
For the X on top to adjusting platform 3, adjusting platform 1 to the Z-direction for adjusting 3 top of platform positioned at X, Y-direction adjusts platform 5 can be along Y-direction
It is mobile；X can be moved in X direction to platform 3 is adjusted；Z-direction adjusts platform 1 and can be moved along Z-direction.
It is a platform, including the Y support sections of lower part and the Y movements positioned at Y support sections top that Y-direction, which adjusts platform 5,
Part, Y-direction regulating device 6 adjust the movement of Y movable parts, and Y-direction platform locking device 8 locks Y movable parts, Y branch
Top fixed rack is divided in support part, and ball slider is fixed on Y movable parts, and sliding rail can be convex, the ball slider of Y movable parts
Match with track, and then realizes that Y movable parts are moved relative to track, the ball-screw inside Y-direction regulating device 6 and Y branch
Support part point connects, and the ball nut inside Y-direction regulating device 6 is connect with Y movable parts, passes through and rotates Y-direction regulating device one end
Knurled knob so that relative displacement occurs for ball-screw and ball nut, and then realizes that Y movable parts are moved relative to track
Accurate movement.The circumferential direction of the knob of Y-direction regulating device 6 has scale, and the precision of scale is 1 μm, that is, rotates a lattice, Y-direction tune
Plug inside regulating device 6 heads on Y movable parts and advances 1 μm.Y support sections and Y movable parts pass through ball-screw and ball
Relative displacement occurs for interaction between nut, i.e., when the ball-screw of Y support sections rotates forward, Y movable parts to
Forward direction is mobile, conversely, when the ball-screw back rotation of Y support sections, Y movable parts can follow return, due to ball
The high-precision close fit on silk hilllock so that Y movable parts can be adjusted positive and negative to continuous seamless.Y-direction platform locking device 8 includes
It is fixed on the ball-screw guider of Y support sections, by turn knob, compresses ball-screw end, it is solid to realize
It is fixed.
X is a platform to platform 3 is adjusted, and is fixed on Y-direction and adjusts 5 top of platform, including the X support sections of lower part and position
X movable parts in X support sections top, X adjust the movement of X movable parts to regulating device 4, and X is right to platform locking device 8
X movable parts are locked, X support sections top fixed rack, and ball slider is fixed on X movable parts, and sliding rail can be convex
Shape, ball slider and the track of X movable parts match, and then realize that X movable parts are moved relative to track, and X is filled to adjusting
It sets the ball-screw inside 4 to connect with X support sections, X is connect to the ball nut inside regulating device 4 with X movable parts, is led to
Cross rotation knurled knobs of the X to regulating device one end so that with ball nut relative displacement occurs for ball-screw, and then realizes X
The accurate movement that movable part is moved relative to track.X has scale to the circumferential direction of the knob of regulating device 4, and the precision of scale is 1
μm, that is, a lattice are rotated, X heads on X movable parts to the plug inside regulating device 4 and advances 1 μm.X support sections and X moving portions
Point relative displacement is occurred by interaction between ball-screw and ball nut, i.e., when the ball-screw of X support sections to
When preceding rotation, X movable parts are mobile to forward direction, conversely, when the ball-screw back rotation of X support sections, X movable parts can
It is returned with following, due to the high-precision close fit on ball wire hilllock so that X movable parts can be adjusted positive and negative to continuous seamless.X
Include being fixed on the ball-screw guider of X support sections to platform locking device 8, by turn knob, compresses ball
Leading screw end, to realize fixation.
It is a platform that Z-direction, which adjusts platform 1, is fixed on X to 3 top of adjusting platform, including the Z support sections of lower part and position
Z movable parts in Z support sections top, Z-direction regulating device 2 adjust the movement of Z movable parts, and Z-direction platform locking device 7 is right
Z movable parts are locked, Z support sections top fixed rack, and ball slider is fixed on Z movable parts, and sliding rail can be convex
Shape, ball slider and the track of Z movable parts match, and then realize that Z movable parts are moved relative to track, and Z-direction adjusts dress
It sets the ball-screw inside 2 to connect with Z support sections, the ball nut inside Z-direction regulating device 2 is connect with Z movable parts, is led to
Cross the knurled knob of rotation Z-direction regulating device one end so that with ball nut relative displacement occurs for ball-screw, and then realizes Z
The accurate movement that movable part is moved relative to track.The circumferential direction of the knob of Z-direction regulating device 2 has scale, and the precision of scale is 1
μm, that is, a lattice are rotated, the plug inside Z-direction regulating device 2 heads on Z movable parts and advances 1 μm.Z support sections and Z moving portions
Point relative displacement is occurred by interaction between ball-screw and ball nut, i.e., when the ball-screw of Z support sections to
When preceding rotation, Z movable parts are mobile to forward direction, conversely, when the ball-screw back rotation of Z support sections, Z movable parts can
It is returned with following, due to the high-precision close fit on ball wire hilllock so that Z movable parts can be adjusted positive and negative to continuous seamless.Z
Include being fixed on the ball-screw guider of Z support sections to platform locking device 7, by turn knob, compresses ball
Leading screw end, to realize fixation.
When work, the direction adjusted as needed adjusts the adjusting platform of respective direction by adjusting regulating device, then
It is locked by corresponding locking device.
Claims (8)
1. a kind of spool micro displacement testing device, it is characterised in that：The device includes that Y-direction adjusts platform (5), is fixed positioned at Y-direction
The X for adjusting platform (5) one end adjusts platform (5) separately to adjusting platform (3) to adjusting platform (3), the fixed X that is located at relative to Y-direction
The Z-direction of one end adjusts platform (1), and Y-direction adjusts platform (5) and can be moved along Y-direction；X can be in X direction to adjusting platform (3)
It is mobile；Z-direction adjusts platform (1) and can be moved along Z-direction；
It includes Y support sections and the Y movable parts positioned at Y support sections top, Y movable parts that the Y-direction, which adjusts platform (5),
It is fixed to platform (3) is adjusted with the X；Y movable parts are moved relative to Y support sections, and Y-direction regulating device (6) adjusts Y and moves
The movement of dynamic part, Y-direction platform locking device (8) lock Y movable parts.
2. a kind of spool micro displacement testing device according to claim 1, it is characterised in that：The X to adjust platform
(3) include X support sections and the X movable parts positioned at X support sections top, X movable parts and the Z-direction adjust platform
(1) fixed；X movable parts are moved relative to X support sections, and X adjusts the movement of X movable parts to regulating device (4), and X is to flat
Platform locking device (9) locks X movable parts.
3. a kind of spool micro displacement testing device according to claim 2, it is characterised in that：The Z-direction adjusts platform
(1) include Z support sections and the Z movable parts positioned at Z support sections top, Z movable parts are relative to the movement of Z support sections, Z
The movement of Z movable parts is adjusted to regulating device (2), Z-direction platform locking device (7) locks Z movable parts.
4. a kind of spool micro displacement testing device according to claim 3, it is characterised in that：Y-direction regulating device (6) is fixed
In Y support sections side, the internal ball-screw of Y-direction regulating device (6) is connect with Y support sections, and Y-direction regulating device (6) is internal
Ball nut connect with Y movable parts, pass through rotate Y-direction regulating device (6) one end knurled knob so that ball-screw with
Relative displacement occurs for ball nut, to push Y movable parts that Y-direction displacement occurs.
5. a kind of spool micro displacement testing device according to claim 4, it is characterised in that：X is fixed to regulating device (4)
In X support sections side, X is connect to the internal ball-screw of regulating device (4) with X support sections, and X is internal to regulating device (4)
Ball nut connect with X movable parts, pass through rotate knurled knobs of the X to regulating device (4) one end so that ball-screw with
Relative displacement occurs for ball nut, to push X movable parts that X occurs to displacement.
6. a kind of spool micro displacement testing device according to claim 5, it is characterised in that：Z-direction regulating device (2) is fixed
Inside ball-screw in Z support sections side, Z-direction regulating device (2) is connect with Z support sections, in Z-direction regulating device (2)
The ball nut in portion is connect with Y movable parts, by the knurled knob for rotating Z-direction regulating device (2) one end so that ball-screw
Relative displacement occurs with ball nut.
7. a kind of spool micro displacement testing device according to claim 6, it is characterised in that：The rotation of Y-direction regulating device (6)
The circumferential direction of button has scale, and the precision of scale is 1 μm；X has scale to the circumferential direction of the knob of regulating device (4), and the precision of scale is 1
μm；The circumferential direction of the knob of Z-direction regulating device (2) has scale, and the precision of scale is 1 μm.
8. a kind of spool micro displacement testing device according to claim 7, it is characterised in that：Y-direction platform locking device (8)
It is locked into knob including being fixed on the ball-screw guider of Y support sections and being fixed on guider；X is locked to platform
Device (9) includes being fixed on the ball-screw guider of X support sections and being fixed on guider to be locked into knob；Z-direction
Platform locking device (7) includes being fixed on the ball-screw guider of Z support sections and being fixed on being locked on guider
Knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510686079.2A CN106609784B (en) | 2015-10-21 | 2015-10-21 | A kind of spool micro displacement testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510686079.2A CN106609784B (en) | 2015-10-21 | 2015-10-21 | A kind of spool micro displacement testing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106609784A CN106609784A (en) | 2017-05-03 |
| CN106609784B true CN106609784B (en) | 2018-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510686079.2A Active CN106609784B (en) | 2015-10-21 | 2015-10-21 | A kind of spool micro displacement testing device |
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| CN (1) | CN106609784B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108746317A (en) * | 2018-05-30 | 2018-11-06 | 大连理工大学 | A kind of blanking apparatus that can continuously adjust gap |
| CN111692161B (en) * | 2020-04-30 | 2022-08-23 | 武汉船用机械有限责任公司 | Detection device for displacement of valve core of proportional direction valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2006092B2 (en) * | 1970-02-11 | 1974-08-29 | Aviatest Gmbh, 4000 Duesseldorf | Device for strength and service life testing of hydraulic components |
| JPH02278137A (en) * | 1989-04-19 | 1990-11-14 | Kobe Steel Ltd | Method and apparatus for testing characteristic of hydraulic valve |
| CN201636132U (en) * | 2010-04-02 | 2010-11-17 | 山东电力研究院 | Hydraulic device for servo valve testing system |
| CN202108811U (en) * | 2011-06-16 | 2012-01-11 | 中国人民解放军海军航空工程学院 | Automatic testing device of servo valve performance of steering engine |
| CN203772245U (en) * | 2014-03-06 | 2014-08-13 | 中联重科股份有限公司 | Equipment for testing displacement of hydraulic valve core |
| CN104457653A (en) * | 2014-10-11 | 2015-03-25 | 宁波诺依克电子有限公司 | Displacement detection method for valve element of linear electromagnetic valve |
-
2015
- 2015-10-21 CN CN201510686079.2A patent/CN106609784B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2006092B2 (en) * | 1970-02-11 | 1974-08-29 | Aviatest Gmbh, 4000 Duesseldorf | Device for strength and service life testing of hydraulic components |
| JPH02278137A (en) * | 1989-04-19 | 1990-11-14 | Kobe Steel Ltd | Method and apparatus for testing characteristic of hydraulic valve |
| CN201636132U (en) * | 2010-04-02 | 2010-11-17 | 山东电力研究院 | Hydraulic device for servo valve testing system |
| CN202108811U (en) * | 2011-06-16 | 2012-01-11 | 中国人民解放军海军航空工程学院 | Automatic testing device of servo valve performance of steering engine |
| CN203772245U (en) * | 2014-03-06 | 2014-08-13 | 中联重科股份有限公司 | Equipment for testing displacement of hydraulic valve core |
| CN104457653A (en) * | 2014-10-11 | 2015-03-25 | 宁波诺依克电子有限公司 | Displacement detection method for valve element of linear electromagnetic valve |
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| CN106609784A (en) | 2017-05-03 |
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