CN106153318A - Precise bushing valve couple performance test measurement apparatus - Google Patents
Precise bushing valve couple performance test measurement apparatus Download PDFInfo
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- CN106153318A CN106153318A CN201610496357.2A CN201610496357A CN106153318A CN 106153318 A CN106153318 A CN 106153318A CN 201610496357 A CN201610496357 A CN 201610496357A CN 106153318 A CN106153318 A CN 106153318A
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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
- G01M13/00—Testing of machine parts
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Abstract
The invention discloses the valve stroke of a kind of precise bushing valve couple and the measurement apparatus of couple flow/pressure relation, including adjusting nail, travel measuring instrument and piston adjustment part；Adjusting nail and include the head of a nail and the adjustment nail body being connected with the head of a nail, it is shaft-like for adjusting nail body；Travel measuring instrument includes measuring bar；Piston adjustment part includes piston seat and piston seat support member；Described precise bushing valve couple includes valve and the lining being socketed on valve, and described lining is socketed with housing；Housing is provided with oil-in and oil-out, and the left side of piston seat is connected with the right-hand member of described valve；The head of a nail adjusting nail contacts with the measurement bar of travel measuring instrument；Adjust the nail left end towards described housing；The oil-in of housing and oil-out are connected with pipeline respectively.The present invention can not only reduce the difficulty of whole properties of product debugging, and is conducive to improving product quality, greatly reduces the troubleshooting difficulty of actuator, shortens life cycle of the product.
Description
Technical field
The invention belongs to mechanical speed-control device, be specifically related to valve stroke and the couple stream of a kind of precise bushing valve couple
The measurement apparatus of amount/pressure dependence.
Background technology
Hydraulic air engineering goods actuator is made up of multiple parts such as controlling organization, command mechanism, actuators, each
There is a set of precise bushing valve couple in mechanism, and the precision pair of actuator is performing valve bushing combination part, command mechanism
Precision pair instruction valve bushing combination part, the precision pair of actuator cry perform valve bushing combination part, difference merits
The precision pair of energy is all under relation or the certain flow being measured some flow by the valve stroke under certain pressure and couple
The relation of valve stroke and couple test point pressure realizes, say, that only when valve stroke and flow/pressure relation
Meeting certain condition, actuator could realize regulation and control---and send instruction and perform the function of command content.
If before actuator assembling, the precision pair of each mechanism is without the test of valve stroke Yu flow/pressure, then
Actuator technical specification on testing stand there will be problem, and actuator high-low pressure feedback angle value is defective and under given rotating speed
Fuel flow unstable.Decompose actuator, step by step troubleshooting step by step, increase troubleshooting difficulty, affect product delivery cycle.
To the method for all parts inspection it is at present: all parts carries out reliability intensifying examination with whole product after assembling
Test, according to test situation, the problem that analysis component exists, split troubleshooting, then assemble test, until pass the test.
The parts being examined include that precise bushing valve couple, precise bushing valve couple include valve and be socketed in valve
On lining, when precise bushing valve couple is made a service test, lining is socketed with housing, lining at least offers 2
Individual radial hole, housing offers at least two hole, and this some holes all connects with the radial hole on lining, the hole on housing, at least
Have hole be oil-in, a hole be oil-out.
If lining and housing bore interference fit, then the performance test of precision pair is arranged in housing unit and carries out, i.e.
After lining press-in housing, do performance test together with housing；If lining and housing bore are by installing sealing ring on lining,
It is installed to the most again in housing bore, uses sealing ring that oil-in is separated with oil-out, the most now, available use frock generation
For housing, can make a service test in precision pair.
The feature of precise bushing valve couple: lining and the fit clearance 0.006～0.01mm of valve, lining endoporus cylinder
Degree 0.002MM, cylindricity 0.002MM in the outer garden of valve, lining at least has radial hole or type hole on outer garden on two cross sections, lining
At least oil-feed at of the radial hole of set, fuel-displaced at one, lining endoporus keeps bright and clean sharp edge；Valve has annular groove, annular groove on outer garden
Shoulder keep bright and clean sharp edge, the fuel feed hole of lining is corresponding with the outer groove of valve respectively with oil-out, couple flow and pressure
The test point of power usually requires that the shoulder of valve and the radial direction hole wall of lining or type bore edges keep certain masking amount or gap,
Lining and shell inner hole interference fit, the magnitude of interference 0.04～0.06mm, the turnover oilhole of housing and lining and lining and valve stream
The correspondence position of amount/pressure detecting point offers window.
In checkout procedure, due to precise bushing valve couple and other examined parts be all assemble after with whole product
Carry out testing inspection, when each examined parts are installed, need to take a significant amount of time, and if precise bushing valve couple liquid
Pressure performance is defective, requires a great deal of time again and carries out splitting troubleshooting.Precise bushing valve couple hydraulic performance test one
As refer to the relation curve that the force value of valve shift motion in lining and specified point is set up, or the movement that valve is in lining
Stroke and the relation curve of specified point flow.
Therefore, the inspection of existing precise bushing valve couple hydraulic performance is wasted time and energy.
Summary of the invention
In order to improve the troubleshooting efficiency of precise bushing valve couple hydraulic performance, the invention provides a kind of precise bushing and live
Door couple performance test measurement apparatus.
Technical scheme is as follows:
Precise bushing valve couple performance test measurement apparatus, including adjusting nail, travel measuring instrument and piston adjustment part；Adjust
Whole nail includes the head of a nail and the adjustment nail body being connected with the head of a nail, and it is shaft-like for adjusting nail body；Travel measuring instrument includes measuring bar；Live
Plug adjustment part piston seat and piston seat support member, spring base is arranged on piston seat support member, and described spring base and piston seat lead to
Cross spring to connect；
Described precise bushing valve couple includes valve and the lining being socketed on valve, and described lining is socketed with shell
Body；At least offer 2 radial holes on lining, housing offers at least two hole, the footpath on Kong Junyu lining on housing
Connect to hole；Hole on housing, at least hole be oil-in, a hole be oil-out；
Described piston seat support member is for connecting the right-hand member of described housing；The right side of piston seat is described spring, left side with
The right-hand member of described valve is connected；When adjusting nail and promoting valve to move, in order to make valve stop at an arbitrary position, it is necessary to valve
Apply an opposite force, adjust the elastic force that the thrust of nail is formed with piston adjustment part, it is simply that a pair active force and counteracting force, this
Sample valve arbitrarily can stop in its stroke range.
The head of a nail adjusting nail contacts with the measurement bar of travel measuring instrument；
Adjust nail towards the left end of described housing, when rotating the head of a nail, adjust nail can move right and promote valve to
Right motion (i.e. piston adjustment part direction), when valve moves to the limit, the measurement bar of travel measuring instrument is in compressive state；Shell
The oil-in of body and oil-out are connected with pipeline respectively；Valve stroke and couple discharge relation when precise engineering surveying lining valve couple
Time,
The pipeline of oil-in is provided with Pressure gauge,
The pipeline of oil-out is provided with effusion meter；
When the valve stroke of precise engineering surveying lining valve couple is with couple pressure dependence,
The pipeline of oil-in is provided with Pressure gauge and flow nipple or is provided with Pressure gauge and effusion meter；,
The pipeline of oil-out is provided with Pressure gauge.
Pressure gauge and pipeline are arranged on testing equipment, and flow nipple is arranged on pipeline, according to the size of test flow, stream
Gauge can use the turbine flowmeter on testing equipment, it is possible to use measuring cup adds manual time-keeping and measures.
Above-mentioned adjustment nail body is secured transverse on a support, and support is provided with a transverse holes, adjusts nail body through institute
State transverse holes, and threaded with transverse holes.
Above-mentioned travel measuring instrument is dial gauge or amesdial；Described measurement bar and adjust nail central axis, all with tested
The central axes of the valve of precise bushing valve couple.The measurement bar length of dial gauge or amesdial is replaceable.
The support of above-mentioned housing, dial gauge and fixed adjustment nail is each attached on same base plate.
Above-mentioned travel measuring instrument is fixed on base plate by fixed mount, and fixed mount is column, fixed mount offers groove, OK
Being socketed with sleeve on the measurement bar of journey measuring instrument, sleeve is fixed in described groove.
Offer screwed hole on one cell wall of above-mentioned groove, screw be installed in screwed hole, hold out against the sleeve measured on bar,
Play the effect of fixed journey system measuring instrument；Described adjustment nails on and is also socketed with locking nut.
Loosen the screw of fixed journey system measuring instrument, the position of travel measuring instrument can be adjusted and measure the decrement of bar, twisting
Tight screw fixed journey system measuring instrument, the decrement of fixation measuring bar simultaneously.
Above-mentioned adjustment nails on and is also socketed with locking nut two.
When the length of lining and valve is less than the length of housing, there is distance, live in the left end of valve and the left end of housing
It is provided with guide pin bushing in the housing of door left end, ejector pin is installed in guide pin bushing, the central axis of ejector pin and the central axis weight of described valve
Close.The program plays and extends the effect adjusting nail, time as equal in the length of precision pair and the length of housing bore, then can not set and lead
Set and ejector pin.Following closely when valve is close when adjusting, the thrust adjusting nail passes to valve by ejector pin, stops adjusting, spring
The thrust of elastic force and valve is cancelled out each other, and valve stops mobile；When adjusting nail away from valve, the elastic force of spring promotes valve,
Valve promotes ejector pin, and ejector pin is only by adjusting nail, and valve stops mobile.
Above-mentioned base plate is provided with the compressing member for compressing housing.
Above-mentioned compressing member includes bolt, pressing plate and support bar, and pressing plate is arranged on the housing, is used for compressing described shell
Body, bolt and support bar are each passed through pressing plate,
The thread segment of bolt through pressing plate and is connected with base thread；
The bottom of support bar withstands on described base plate, and the epimere of support bar is thread segment, and the epimere of support bar passes pressing plate,
The thread segment of support bar is socketed with holding nut, and described holding nut is positioned at below pressing plate.
The bottom of above-mentioned base plate is provided with supporting leg.
Advantages of the present invention:
1, utilize the present invention, it is possible to complete the performance test of aviation hydraulic system parts, set up essence under certain fuel system
Valve row under the relation curve of close lining valve couple valve stroke under certain flow and test point pressure and certain pressure
Journey and the relation curve of test point flow, it is possible to quickly detect that precise bushing valve couple is the most qualified, if defective, can
With according to curve, analyze and judge underproof reason and eligible for repair position, carry out corresponding supplementary processing, until bent
Line relation is qualified, just can be assembled into platform actuator, had the most both reduced whole properties of product debugging difficulty, and can guarantee that again the friendship of product
In the cycle of paying, improve the reliability of aeronautical product.
2, will detect, through the present invention, the aviation that qualified precise bushing valve couple is assembled into other parts checked
Hydraulic system adds draught control mechanism, can not only reduce the difficulty of whole properties of product debugging, and be conducive to improving product quality；
In checkout procedure, it is only necessary to solve the coordination problem between each parts, greatly reduce the troubleshooting difficulty of actuator, shorten and produce
The product production cycle.
Accompanying drawing explanation
Fig. 1 is the test structure schematic diagram of precise bushing valve couple；
Fig. 2 is the total figure of assay device design of the present invention；
Fig. 3 is assay device compressing structure figure of the present invention；
Fig. 4 is stroke and the test signal of pressure dependence hydraulic performance utilizing the present invention to detect precise bushing valve couple
Figure.
Reference:
1-cap, 2-spring base, 3-spring, 4-piston seat, 5-valve, 6-lining, 7-housing, 8-adjusts nail, 9-stroke
Measuring instrument, 31-first interface, 33-the second interface, 34-the 3rd interface, 35-the 4th interface, 10-screw, 11-fixed mount (is used for
Fixed journey system measuring instrument), 12-base plate, 13-supporting leg, 14-lock-screw, 15-support (for fixed adjustment nail), 16-leads
Set, 17-ejector pin, 18-alignment pin, 19-briquetting, 20-pressing plate, 21-bolt, the head of 22-bolt, 23-holding nut, 24-props up
Strut, 41-compactor, 42-sealing ring, 43-baffle plate, 44-the first Pressure gauge, 45-amesdial 46-the second Pressure gauge, 47-the 3rd
Pressure gauge, 48-flow nipple.
Detailed description of the invention
Requirement according to hydraulic performance test is defeated in the import of tested precise bushing valve couple (the most tested couple)
Enter certain pressure hydraulic oil, adjust valve zero point, the i.e. valve initial position that point must is fulfilled in test program specifying at this and want
Ask the pressure reduction making measured point to meet a steady state value, now move valve, observe and record the changes in flow rate of measured point, set up valve
Stroke and the relation curve of changes in flow rate；Or hydraulic test outline regulation when valve relative to lining in certain position time, this point be
Zero-bit, installs flow nipple at oil-in pipeline and is passed through the hydraulic oil (i.e. constant flow oil-feed) of certain pressure by test requirements document, along with
The movement of valve, the force value of record measured point, set up valve stroke and pressure relationship plot.
As a example by content of the test is for the corresponding relation of valve stroke and measured point flow, present disclosure is described, its examination
Experiment device designs total figure and sees Fig. 2:
1. get: get housing 7, lining 6, valve 5,
2. detection: the effective aperture value of detection housing bore, outputs the size list of processing excircle of bushing, it is ensured that housing and lining
Interference 0.04～0.06；
3. cylindrical grinding: grind Outer Diameter of lining by size list, it is ensured that with the interference 0.04～0.06 of housing bore；
4. gland: lining is put into till being cooled to not bubbling in liquid nitrogen, housing be put in heating box be heated to 150 °～
180 °, the most rapidly lining is put in housing, recover in atmosphere to room temperature；
5. endoporus is ground: grind the lining endoporus in press-in housing, after grinding, arrange heat soaking, ultrasonic waves for cleaning, list immediately
Hole is rinsed and is rinsed well by housing；
6. detection: actual measurement lining endoporus actual size, and output the size list of processing valve cylindrical, it is ensured that lining and valve
Gap 0.006～0.01；
7. cylindrical grinding: grind valve cylindrical by size list, it is ensured that with the gap 0.006～0.01 of lining endoporus；
8. assembling: cap 1, spring base 2, spring 3, piston seat 4, valve 5, lining 6, housing 7 are assembled by Fig. 2；Corresponding
Interface 31,33,34,35 in Fig. 1, is marked by four interfaces of housing in fig. 2.4 holes are had on housing in Fig. 1,
It is 4 interfaces, respectively first interface the 31, second interface the 33, the 3rd interface 34 and the 4th interface 35.
9. hydraulic performance test:
Experimental condition: test(ing) medium is No. 3 jet fuel, first interface the 31, the 3rd interface 34 is respectively fuel feeding and oil return
Interface, the second interface the 33, the 4th interface 35 is respectively flow detection point；Fuel feed pressure is (5 ± 0.1) MPa, and valve often moves
A dynamic stroke, measures the second interface 33 and flow of the 4th interface 3 interface 5 respectively.
The fuel feeding of each interface test point and oil return divide three kinds of situations:
Fuel system: a first interface 31 leads to oil-feed, the 3rd interface 34 leads to oil return；B the 3rd interface 34 leads to oil-feed, and first connects
Mouth 31 leads to oil return；C first interface the 31, the 3rd interface 34 all leads to oil-feed, and valve stroke is respectively 9.5mm, 10mm, 10.5mm, lives
The certainty of measurement of door stroke requires 0.1mm.
Content of the test: when valve 5 only leans against on lining 6, now valve is zero-bit, moves valve with adjusting nail 8, works as valve
When stroke is 9.5mm, 10mm, 10.5mm, measure the second interface 33 and flow value of the 4th interface 35 respectively.
Checking for zero: the tested couple assembled is arranged on base plate in the location mode of plane and two pits, and with compressing
Part compresses the housing loading tested couple, because the certainty of measurement of valve stroke requires 0.1mm, therefore selects dial gauge metering valve
Stroke, such as Fig. 2, due to the effect of spring 3, when adjusting nail 8 away from valve, valve only by lining, first has to measurement naturally
Valve range, the most repeatedly stability of zero position of testing.The mobile nail 8 that adjusts makes it fit with ejector pin, feels precession process
During effect opposite force, stopping the mobile nail 8 that adjusts, now ejector pin is fitted with valve left side, valve under the effect of spring 3 still
Only leaning against in bush end face, dial gauge pointer turns around as 1mm, adjusts dial indicator head and nails on compression 15 circles i.e. 15mm in adjustment,
It is screwed dial gauge, continues precession and adjust nail 8, promote valve to move right, until spring compresses completely, adjust nail 8 not
Can be mobile, the number of turns that record dial gauge pointer rotates, a circle is exactly 1mm, measures the stroke that valve is total, and the distance of total kilometres should be big
In valve range 10.5mm of test requirements document, otherwise valve is likely to occur clamping stagnation, exits adjustment nail 8 to the left, until departing from
Ejector pin left side, has once adjusted.Being repeated once adjustment, this time dial indicator head nails on decrement for adjusting for the first time in adjustment
The valve total kilometres of actual measurement, the most first reset dial gauge when adjusting the dial gauge compression number of turns, it is simple to counting.Continue precession to the right
Adjusting nail 8, until immovable, now the indicator of dial gauge should point to zero, exits adjustment nail 8 to the left until sensation is being adjusted
When the opposite force of whole nail disappears, the number of turns that dial gauge pointer rotates should be valve total kilometres, now shows that valve moves flexibly, bullet
Spring is without clamping stagnation, and under naturalness, valve is only stable by lining.After valve total kilometres determine, continue precession and adjust nail 8 promotion ejector pin
Moving right, during sensation precession process effect opposite force, stop the mobile nail 8 that adjusts, now ejector pin is fitted with valve left side, lives
Door only leans against in bush end face under the effect of spring 3, sets up the zero-bit of valve stroke.
Flow rate test: after valve zero-bit determines, according to fuel system a, first interface 31 leads to the combustion into (5 ± 0.1) MPa
Oil, the 3rd interface 34 takes back oil, for ease of observing valve stroke, when valve zero-bit, after dial gauge is measured bar compression 11 circle
Hand of dial is clear " 0 ", and precession to the right adjusts nail 8, when dial gauge pointer turns 9.5 circles, represents valve stroke 9.5mm, stops mobile
Adjust nail 8, place measuring cup respectively at flow measurement points the second interface 33 and the 4th interface 35, press stopwatch simultaneously, record one point
The flow value of clock；Continuing precession to the right and adjust nail 0.5 circle, valve stroke is 10mm, again records the second interface 33 and the 4th and connects
The flow value of mouth 35；Being further continued for dextrorotation and enter to adjust nail 0.5 circle, valve stroke is 10.5mm, records the second interface 33 and the 4th and connects
The flow value of mouth 35, now the valve stroke under fuel system a has been set up with the relation curve of flow.So, fuel feeding is changed
Mode, can complete the relation curve of the valve stroke under different fuel system and tested couple flow.
Fig. 3 is the compressing structure schematic diagram of the present invention, and housing 7 is arranged on the basis of two alignment pins 18 base plate 12
On, in order to prevent weighing housing wounded, place briquetting 19 at surface of shell, rely on compressing member to compress and load tested precise bushing valve occasionally
The housing of part, the structural relation between the structure of compressing member and compressing member and tested precise bushing valve couple is particularly as follows: compress
Part includes bolt 21, pressing plate 20 and support bar 24, and pressing plate is arranged on the housing, is used for compressing described housing, bolt and
Strut is each passed through pressing plate；The thread segment of bolt through pressing plate and is connected with base thread；The bottom of support bar withstands on base plate 12
Upper (could be secured on base plate), the epimere of support bar is thread segment, and the epimere of support bar passes pressing plate, the thread segment of support bar
Being socketed with holding nut, described holding nut is positioned at below pressing plate, plays support pressing plate function, and the strong point of pressing plate is a little higher than
Compress point, so could compressing component, described support bar and holding nut can with backplanes support point to platen support point it
The isometry block of spacing replaces.
After being compressed by the housing loading tested precise bushing valve couple, move right adjustment nail 8, adjusts nail 8 promotion top
Pin 17, ejector pin promotes valve 5, and valve makes part spring 3 compress, in order to enable ejector pin to move along the axis direction of valve, can
Ejector pin is enclosed within guide pin bushing 16, guide pin bushing 16 and the fit clearance 0.008～0.02mm of housing, ejector pin and guide pin bushing fit clearance
0.008～0.02mm.Mobile adjust nail 8, feel when having opposite force effect, tighten locking nut 14, now adjust dial gauge 9
Decrement, then lock the sleeve of dial gauge 9 with screw 10.The decrement adjusting dial gauge for the first time is greater than test requirements document
The range of valve, in order to measure the range of valve, the decrement of second time adjustment dial gauge presses the maximum row of valve
Journey adjustment, adjusts repeatedly until the range value of valve and valve only lean on the zero value of lining to begin to turn on for oil pressure after stablizing
Power, measures bar and can stretch in sleeve, observes the little pointer of dial gauge 9 and forwards 9.5 to, locking member 14, presses stopwatch, while two
Place's flow measurement points places measuring cup, measures actual flow value.If flow is defective, first detection lining with the opinion of housing bore is
No existence leaks, and leaks the most more resleeve, does not reveals, detection valve and the masking amount of lining radial hole, changes valve, until trying
It is qualified to test；If the flow value required is sufficiently large, then can design pipeline joint test platform at flow detection point, pass through Hydraulic Elements
Turbine flowmeter record flow value on testing stand；Base plate 12 is supported by supporting leg 13, it is simple to use measuring cup measurement of discharge.?
Measurement bar to be made and adjust nail central axis, all with the central axes of the valve of tested precise bushing valve couple,
Otherwise valve 5 easy clamping stagnation during mobile adjustment nail 8.According to the precision of valve stroke, dial gauge 9 could alternatively be amesdial, adjusts
The screw thread of nail 8 can be coarse thread, closely-pitched, special closely-pitched.
Wherein, for dial gauge, Long pointer turns around as 1MM, the number of turns that little pointer record Long pointer turns；For thousand points
Table, Long pointer turns around as 0.1MM, the number of turns that little pointer record Long pointer turns.
Fig. 4 is the stroke utilizing precise engineering surveying lining valve couple of the present invention and the test signal of pressure dependence hydraulic performance
Figure, in-line installation flow nipple 48, import fuel pressure P enters=(1.96 ± 0.02) MPa, controls to adjust nail 8 and moves valve
5, make the reading equal (valve zero-bit) of first Pressure gauge the 44, second Pressure gauge 46, amesdial 45 dish resets, and valve is in zero-bit
The leakage of oil amount in Shi Yaoqiu T face is not more than 23cm3/ min, defective baffle plate T face of grinding of repairing, control to adjust nail 8 and be moved to the left valve 5,
The force value of each 0.05 admission first Pressure gauge the 44, second Pressure gauge 46, to 0.2 only moves to left, and controls to adjust nail 8 and makes valve 5
Back to zero position, then move to 0.2 to opposite direction, set up stroke and pressure characteristic.
Claims (10)
1. precise bushing valve couple performance test measurement apparatus, it is characterised in that: include adjusting nail, travel measuring instrument and piston
Adjustment part；Adjusting nail and include the head of a nail and the adjustment nail body being connected with the head of a nail, it is shaft-like for adjusting nail body；Travel measuring instrument includes
Measure bar；Piston adjustment part includes piston seat and piston seat support member, and spring base is arranged on piston seat support member, described spring
Seat and piston seat are connected by spring；
Described precise bushing valve couple includes valve and the lining being socketed on valve, and described lining is socketed with housing；Lining
Putting and at least offer 2 radial holes, housing offers at least two hole, the radial hole on the Kong Junyu lining on housing is even
Logical；Hole on housing, at least hole be oil-in, a hole be oil-out；
Described piston seat support member is for connecting the right-hand member of described housing；The right side of piston seat is described spring, and left side is with described
The right-hand member of valve is connected；
The head of a nail adjusting nail contacts with the measurement bar of travel measuring instrument；
Adjusting the nail left end towards described housing, when rotating the head of a nail, adjusting nail can move right and promote valve to move right
Dynamic, when valve moves to the limit, the measurement bar of travel measuring instrument is in compressive state；The oil-in of housing and oil-out are respectively
It is connected with pipeline；
When the valve stroke of precise engineering surveying lining valve couple is with couple discharge relation,
The pipeline of oil-in is provided with Pressure gauge,
The pipeline of oil-out is provided with effusion meter；
When the valve stroke of precise engineering surveying lining valve couple is with couple pressure dependence,
The pipeline of oil-in is provided with Pressure gauge and flow nipple or is provided with Pressure gauge and effusion meter；
The pipeline of oil-out is provided with Pressure gauge.
Measurement apparatus the most according to claim 1, it is characterised in that: the described nail body that adjusts is secured transverse to a support
On, support is provided with a transverse holes, adjusts nail body and passes described transverse holes, and threadeds with transverse holes.
Measurement apparatus the most according to claim 2, it is characterised in that: described travel measuring instrument is dial gauge or amesdial；
Described measurement bar and adjust nail central axis, all with the central axes of the valve of tested precise bushing valve couple.
Measurement apparatus the most according to claim 3, it is characterised in that: propping up of described housing, dial gauge and fixed adjustment nail
Frame is each attached on same base plate.
Measurement apparatus the most according to claim 4, it is characterised in that: described travel measuring instrument is fixed on the end by fixed mount
On plate, fixed mount is column, and fixed mount offers groove, and the measurement bar of travel measuring instrument is socketed with sleeve, and sleeve is fixed on
In described groove.
Measurement apparatus the most according to claim 5, it is characterised in that: offer screwed hole on a cell wall of described groove,
Screw is installed in screwed hole；
Described adjustment nails on and is also socketed with locking nut.
7. according to the arbitrary described measurement apparatus of claim 1 to 6, it is characterised in that: when the length of lining and valve is less than shell
During the length of body, there is distance in the left end of valve and the left end of housing, is provided with guide pin bushing in the housing of valve left end, installs in guide pin bushing
There is ejector pin, the central axis of ejector pin and the central axes of described valve.
Measurement apparatus the most according to claim 4, it is characterised in that: described base plate is provided with the compression for compressing housing
Part.
Measurement apparatus the most according to claim 8, it is characterised in that: described compressing member includes bolt, pressing plate and support bar,
Pressing plate is arranged on the housing, is used for compressing described housing；
The thread segment of bolt through pressing plate and is connected with base thread；
The bottom of support bar withstands on described base plate, and the epimere of support bar is thread segment, and the epimere of support bar passes pressing plate, supports
The thread segment of bar is socketed with holding nut, and described holding nut is positioned at below pressing plate.
Measurement apparatus the most according to claim 9, it is characterised in that: the bottom of described base plate is provided with supporting leg, described bullet
Spring abutment support member is cap or compactor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610496357.2A CN106153318B (en) | 2016-06-28 | 2016-06-28 | Precise bushing valve couple performance test measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610496357.2A CN106153318B (en) | 2016-06-28 | 2016-06-28 | Precise bushing valve couple performance test measuring device |
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| CN106153318A true CN106153318A (en) | 2016-11-23 |
| CN106153318B CN106153318B (en) | 2018-08-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708553A (en) * | 2018-11-16 | 2019-05-03 | 中国航发西安动力控制科技有限公司 | The hydraulic testing apparatus of valve opening point can accurately be measured |
| CN110778572A (en) * | 2019-10-30 | 2020-02-11 | 中国航发控制***研究所 | Reliability and service life testing device for hydraulic valve matching parts |
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| CN109708553A (en) * | 2018-11-16 | 2019-05-03 | 中国航发西安动力控制科技有限公司 | The hydraulic testing apparatus of valve opening point can accurately be measured |
| CN109708553B (en) * | 2018-11-16 | 2020-10-16 | 中国航发西安动力控制科技有限公司 | Hydraulic test device capable of accurately measuring valve opening point |
| CN110778572A (en) * | 2019-10-30 | 2020-02-11 | 中国航发控制***研究所 | Reliability and service life testing device for hydraulic valve matching parts |
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| CN106153318B (en) | 2018-08-24 |
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