CN207195361U - Experimental provision for guiding valve oscillating flow field visual testing - Google Patents
Experimental provision for guiding valve oscillating flow field visual testing Download PDFInfo
- Publication number
- CN207195361U CN207195361U CN201721086700.2U CN201721086700U CN207195361U CN 207195361 U CN207195361 U CN 207195361U CN 201721086700 U CN201721086700 U CN 201721086700U CN 207195361 U CN207195361 U CN 207195361U
- Authority
- CN
- China
- Prior art keywords
- poppet
- valve
- fuel tank
- valve core
- pressure sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Measuring Volume Flow (AREA)
Abstract
It the utility model is related to the experimental provision for guiding valve oscillating flow field visual testing, including hydraulic system and monitoring system；The hydraulic system includes fuel tank, the pump that import connects with fuel tank and its inlet opening and passes through main line and the poppet of the outlet of pump；The outage of poppet is connected with fuel tank by return line, and choke valve is provided with return line；The safety line with overflow valve is provided between main line and fuel tank；Poppet includes transparent shell, the poppet valve core being arranged in transparent shell, is arranged on the plug of cone valve core head, the middle cavity being arranged in poppet valve core, positioned at hollow intracavitary and the spring that is arranged between poppet valve core bottom and bonnet bottom；It is the utility model is designed reasonably, compact-sized and easy to use.
Description
Technical field
The utility model belongs to technical field of hydraulic elements, is related to a kind of reality for guiding valve oscillating flow field visual testing
Experiment device.
Background technology
The development of hydraulic power system technology has driven the fast development of complex high voltage system, the reliability service of these systems
Cleaning hydraulic oil dependent on high-quality.When the impurity in hydraulic oil reaches certain level, hydraulic system not only will result only in
Operational efficiency declines, and can also cause thrashing.Statistics shows that the failure of hydraulic system 70 or so percent is hydraulic pressure
Caused by oily pollution.The impurity that contains of monitoring hydraulic oil number and its change procedure, can be prediction hydraulic system parts
Potential failure give a clue.
The cleannes of fluid are not high, particle be present, easily cause piston shoes spool jams, in order to ensure the service behaviour of guiding valve
It is stable, reduce noise（Fluid oscillation, bubble can be produced, bubble ruptures in valve element wall after increase, causes disc vibration,
And produce impact sound）, so needing to observe the process of guiding valve flow field flow performance and bubble formation, be advantageous to vibration damping drop
Make an uproar research.Therefore, it is necessary to develop a kind of experimental provision.
Utility model content
Technical problem to be solved in the utility model is that the research of the stable work in work, reduction noise that solve guiding valve needs
Will, and a kind of a kind of experiment for guiding valve oscillating flow field visual testing that can observe guiding valve flow field flow performance is provided and filled
Put.
Technical solution adopted in the utility model is：
A kind of experimental provision for guiding valve oscillating flow field visual testing, including hydraulic system and monitoring system；
The hydraulic system includes the pump that fuel tank, import connect with fuel tank and its inlet opening and passes through main line and pump
The poppet of outlet；The outage of poppet is connected with fuel tank by return line, and throttling is provided with return line
Valve；The safety line with overflow valve is provided between main line and fuel tank；
Poppet includes transparent shell, the poppet valve core being arranged in transparent shell, is arranged on the plug of cone valve core head, sets
Put the middle cavity in poppet valve core, positioned at hollow intracavitary and the spring that is arranged between poppet valve core bottom and bonnet bottom；
The monitoring system includes the flowmeter being arranged on main line, the first pressure being arranged at inlet opening sensing
Device, the second pressure sensor being arranged at outage, the 3rd pressure sensor for being arranged on bonnet bottom, it is arranged on hyaline test
Body side and for irradiate poppet valve core halogen tungsten lamp, be arranged on transparent shell side and for shoot poppet valve core opening fluid fortune
High-speed camera, computer and the controller of dynamic feature；
Computer is passed with flowmeter, first pressure sensor, second pressure sensor, the 3rd pressure respectively by controller
Sensor, halogen tungsten lamp, high-speed camera mechatronics.
Further improvement as above-mentioned technical proposal：
The thermocouple sensor being electrically connected with the controller is provided with fuel tank.
Cooler is provided between overflow valve and fuel tank.
Middle cavity head connects with the valve pocket of transparent shell, and middle cavity afterbody connects with bonnet.
When poppet valve core is located in valve pocket, the 4th pressure sensor is used to detect the pressure for connecting chamber with inlet opening；5th pressure
Force snesor is used to detect the pressure for connecting chamber with outage.
The beneficial effects of the utility model not limited to this describes, in order to preferably readily appreciate, in embodiment portion
Divide and carried out more detailed description.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Wherein：1st, pump；2nd, poppet；3rd, choke valve；4th, fuel tank；5th, overflow valve；6th, cooler；7th, flowmeter；8th, first
Pressure sensor；9th, second pressure sensor；10th, the 3rd pressure sensor；11st, the 4th pressure sensor；12nd, the 5th pressure passes
Sensor；13rd, thermocouple sensor；14th, high-speed camera；15th, halogen tungsten lamp；16th, controller；17th, computer；18th, transparent shell；
19th, poppet valve core；20th, spring；21st, inlet opening；22nd, outage；23rd, middle cavity.
Embodiment
As shown in figure 1, the experimental provision for guiding valve oscillating flow field visual testing of the present embodiment, including hydraulic system
With monitoring system；
Hydraulic system includes fuel tank 4, the pump 1 that import connects with fuel tank 4 and its inlet opening 21 and passes through main line and pump 1
Outlet poppet 2；The outage 22 of poppet 2 is connected with fuel tank 4 by return line, is set on return line
There is choke valve 3；The safety line with overflow valve 5 is provided between main line and fuel tank 4；
Poppet 2 includes transparent shell 18, the poppet valve core 19 being arranged in transparent shell 18, is arranged on the head of poppet valve core 19
Plug, be arranged in poppet valve core 19 middle cavity 23, in the middle cavity 23 and be arranged on the bottom of poppet valve core 19 and bonnet bottom
Spring 20 between portion；
Monitoring system includes the flowmeter 7 being arranged on main line, the first pressure sensor being arranged at inlet opening 21
8th, the second pressure sensor 9 at outage 22 is arranged on, the 3rd pressure sensor 10 of bonnet bottom is arranged on, is arranged on
The bright side of housing 18 and for irradiating the halogen tungsten lamp 15 of poppet valve core 19, being arranged on the side of transparent shell 18 and for shooting poppet valve core
High-speed camera 14, computer 17 and the controller 16 of 19 opening fluid motion features；
Computer 17 by controller 16 respectively with flowmeter 7, first pressure sensor 8, second pressure sensor 9,
Three pressure sensors 10, halogen tungsten lamp 15, high-speed camera 14 electrically connect.
The thermocouple sensor 13 electrically connected with controller 16 is provided with fuel tank 4.
Cooler 6 is provided between overflow valve 5 and fuel tank 4.
The middle head of cavity 23 connects with the valve pocket of transparent shell 18, and the middle afterbody of cavity 23 connects with bonnet.
When poppet valve core 19 is located in valve pocket, the 4th pressure sensor 11 is used to detect the pressure for connecting chamber with inlet opening 21；
5th pressure sensor 12 is used to detect the pressure for connecting chamber with outage 22.
Experimental system is as shown in figure 1, including variable displacement axial plunger pump（Number of pistons N in pump 1 is 9, the rotating speed n of pump
For 1500 min -1）, for test lifting poppet 2, for adjust tested valve downstream pressure variable choke valve 3,
Fuel tank 4.These parts are connected with hydraulic rubber flexible pipe.In another loop, the overflow of the abnormal pressure in hydraulic circuit is prevented
Valve 5（Safety valve sets pressure as 10MPa, and valve can not be opened under experimental conditions）, for adjusting the fluid cooler of oil temperature
6, connect the oil filter of fuel tank.
Poppet 2 is by transparent shell 18（The transparent shell is made up of acrylic resin polymethyl methacrylate）, S45C
Poppet valve core 19 made of steel（The mass m of poppet valve core 19 size is about 0.1kg）, spring constant k is the 21N/mm He of spring 20
Bonnet forms.Using streaming poppet 2 is assembled, in order to observe the state of cavitation erosion and enhancing action.Because upstream principal pressure draws
The power risen is less easily influenceed by the dynamic pressure near opening portion.Further, since the pressure of middle cavity 23 avoids
The influence of dynamic pressure near opening portion.Slipper between poppet and housing slides long enough to prevent the horizontal stroke of valve element
To vibration.The pressure of middle cavity 23 is almost identical with downstream loop pressure.
High-speed camera 14 and metal halide lamp（Halogen tungsten lamp 15）It is the motion for measuring valve.High-speed camera and gold
The position of category halide lamp is preferably perpendicular to cone core central shaft.Image-forming condition is that frame rate is 6000 fps, electronic shutter speed
For 1/16000 meter per second, and image is recorded with isochromatic lens.Pressure measxurement measures mouth by pipeline 1, pipeline 2 measures mouth and valve spring
Pressure sensor in room measures.
These pressure sensors（First pressure sensor 8, second pressure sensor 9, the 3rd pressure sensor the 10, the 4th
Pressure sensor 11, the 5th pressure sensor 12）Specification-response frequency be 12.2 kilo hertzs, resolution ratio be 0.005 MPa.
The specification of these pressure sensor sums is that a response frequency is 15 kilo hertzs and resolution ratio is 0.0136 MPa.
Flow by poppet 2 is that the gear meter 7 set by the front end inlet of poppet 2 carries out actual measurement.
Thermometer is installed in fuel tank to be used to measure oil temperature.High-speed camera, flowmeter and pressure sensor are connected to controller, and
Measurement experiment data are started simultaneously at after receiving controller triggering.Record data is recorded in individual calculus with 10 kilo hertzs of sample frequency
On machine.By the image real time transfer of high-speed camera, for measuring the dynamic displacement of cone valve；Displacement acquisition modes are to catch
Change in displacement feature between standard picture under rest image and cone valve remain static in any time, test is valve
Core opening liquid flow performance, the characteristics of bubble formation.
Experiment condition
In an experiment, experimental temperature control is at 40 ± 2 °C, the input flow rate of pump from 10 L/min to 50 ± 1.5 L/min,
Under 10 L/min flow condition, to adjust the mean opening pressure of valve as 0.05 MPa.When the mean opening pressure of cone valve is
During 0.05 MPa, choke valve is opened completely, and excursion is 0.01 ~ 0.10 MPa.When observing the low whirlpool in downstream at the top of cone valve,
Oil temperature is arranged to 30 ± 2 °C, is easy to observe bubble and vortex.Flow, pressure and the view data of record, and located
Reason, identifies the dynamic displacement to cone valve.
The utility model is designed reasonably, cost are cheap, durable, safe and reliable, simple to operate, time saving and energy saving, saving
It is fund, compact-sized and easy to use.
The utility model, which fully describes, to be disclosed in order to more clear, and is just no longer enumerated for prior art.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still be modified to the technical scheme described in previous embodiment, or which part technical characteristic is equal
Replace；It is obvious that multiple technical schemes of the present utility model, which are combined, as those skilled in the art.And these
Modification is replaced, and the essence of appropriate technical solution is departed from the spirit and model of the utility model embodiment technical scheme
Enclose.
Claims (5)
- A kind of 1. experimental provision for guiding valve oscillating flow field visual testing, it is characterised in that：Including hydraulic system and monitoring System；The hydraulic system includes fuel tank (4), the pump (1) that import connects with fuel tank (4) and its inlet opening (21) and passes through supervisor Road and the poppet (2) of the outlet of pump (1)；The outage (22) of poppet (2) is connected with fuel tank (4) by return line It is logical, choke valve (3) is provided with return line；The safety with overflow valve (5) is provided between main line and fuel tank (4) Pipeline；Poppet (2) includes transparent shell (18), the poppet valve core (19) being arranged in transparent shell (18), is arranged on poppet valve core (19) plug on head, be arranged in poppet valve core (19) middle cavity (23), in the middle cavity (23) and be arranged on poppet valve core (19) spring between bottom and bonnet bottom (20)；The monitoring system include be arranged on main line on flowmeter (7), be arranged on inlet opening (21) place first pressure pass Sensor (8), the second pressure sensor (9) for being arranged on outage (22) place, the 3rd pressure sensor for being arranged on bonnet bottom (10), it is arranged on transparent shell (18) side and for irradiating the halogen tungsten lamp (15) of poppet valve core (19), being arranged on transparent shell (18) side and for shoot the high-speed camera (14) of poppet valve core (19) opening fluid motion feature, computer (17), with And controller (16)；Computer (17) by controller (16) respectively with flowmeter (7), first pressure sensor (8), second pressure sensor (9), the 3rd pressure sensor (10), halogen tungsten lamp (15), high-speed camera (14) electrical connection.
- 2. the experimental provision according to claim 1 for guiding valve oscillating flow field visual testing, it is characterised in that:In oil The thermocouple sensor (13) electrically connected with controller (16) is provided with case (4).
- 3. the experimental provision according to claim 2 for guiding valve oscillating flow field visual testing, it is characterised in that:Overflowing Cooler (6) is provided between stream valve (5) and fuel tank (4).
- 4. the experimental provision according to claim 3 for guiding valve oscillating flow field visual testing, it is characterised in that:In Cavity (23) head connects with the valve pocket of transparent shell (18), and middle cavity (23) afterbody connects with bonnet.
- 5. the experimental provision according to claim 4 for guiding valve oscillating flow field visual testing, it is characterised in that:Work as cone Valve element (19) is located in valve pocket, and the 4th pressure sensor (11) is used to detect the pressure for connecting chamber with inlet opening (21)；5th pressure Force snesor (12) is used to detect the pressure for connecting chamber with outage (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721086700.2U CN207195361U (en) | 2017-08-29 | 2017-08-29 | Experimental provision for guiding valve oscillating flow field visual testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721086700.2U CN207195361U (en) | 2017-08-29 | 2017-08-29 | Experimental provision for guiding valve oscillating flow field visual testing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207195361U true CN207195361U (en) | 2018-04-06 |
Family
ID=61795431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721086700.2U Expired - Fee Related CN207195361U (en) | 2017-08-29 | 2017-08-29 | Experimental provision for guiding valve oscillating flow field visual testing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207195361U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110333062A (en) * | 2019-05-29 | 2019-10-15 | 中石化石油机械股份有限公司研究院 | A kind of pump valve dynamic performance and testing |
| CN113778152A (en) * | 2021-09-14 | 2021-12-10 | 山西柴油机工业有限责任公司 | Opening measuring device for annular sliding type thermostat of marine diesel engine cooling system |
-
2017
- 2017-08-29 CN CN201721086700.2U patent/CN207195361U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110333062A (en) * | 2019-05-29 | 2019-10-15 | 中石化石油机械股份有限公司研究院 | A kind of pump valve dynamic performance and testing |
| CN113778152A (en) * | 2021-09-14 | 2021-12-10 | 山西柴油机工业有限责任公司 | Opening measuring device for annular sliding type thermostat of marine diesel engine cooling system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207195361U (en) | Experimental provision for guiding valve oscillating flow field visual testing | |
| CN103335834B (en) | Throttle valve port performance test device | |
| CN205301140U (en) | Simulation oil pipe corrodes visual device of scale deposit | |
| CN104956191B (en) | Flow measurement equipment | |
| CN105628359B (en) | A kind of diesel engine single body pump fuel system balanced valve dynamic and visual experimental rig and test method | |
| CN103343829B (en) | Balance valve and test system thereof | |
| CN106200668B (en) | Outer loop energy resource system and its test method for semi-physical simulation | |
| CN104895871B (en) | The synthesis energy saving experimental rig and method of magnetic valve and hydraulic cylinder reliability | |
| CN106197569A (en) | The hydraulic system of a kind of high-pressure gear effusion meter comprehensive characteristic test device and experimental technique | |
| CN103575502B (en) | A kind of biomimetic jet surface fluid frictional resistance proving installation and drag-reduction effect evaluation method | |
| CN100439895C (en) | Oil elastic modulus detector based on volume elastic modulus definition | |
| CN203688254U (en) | Hydraulic pulsation test device | |
| CN106286062B (en) | A kind of booster-type fuel injector Multifunctional test equipment peculiar to vessel | |
| CN103400613A (en) | Cross flow testing apparatus and method for cold test on drive wires of nuclear power plants | |
| CN202735088U (en) | Test apparatus for clutch assembly of automatic transmission | |
| CN108918103B (en) | Hydraulic control check valve dynamic characteristic test system and test method | |
| CN2901296Y (en) | Oil-liquid elasticity modulus detector based on volume elasticity modules definition | |
| EP1148327A1 (en) | ( Injector valve ) monitoring equipment with pressure measuring time selection | |
| CN111306142B (en) | Hydraulic pump cavitation state detection system | |
| CN206708478U (en) | A kind of integrated form flow equilibrium measuring unit | |
| CN108760519B (en) | A kind of oil liquid bulk modulus detection sensor and detection method | |
| CN105527011A (en) | Method for testing fluid sonic characteristic | |
| CN109991111A (en) | A kind of screen casing filter medium erosion experiment apparatus and experimental method | |
| CN107314952B (en) | A kind of method and system measuring dynamic contact angle under extremely low capillary number | |
| CN101794677B (en) | Flow switch aiming at pipe leakage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180406 Termination date: 20200829 |