CN106979149A - Simulate the visual experimental apparatus of the conventional plunger pump characteristics of motion and cavitation phenomenon - Google Patents
Simulate the visual experimental apparatus of the conventional plunger pump characteristics of motion and cavitation phenomenon Download PDFInfo
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- CN106979149A CN106979149A CN201710137650.4A CN201710137650A CN106979149A CN 106979149 A CN106979149 A CN 106979149A CN 201710137650 A CN201710137650 A CN 201710137650A CN 106979149 A CN106979149 A CN 106979149A
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- plunger pump
- push rod
- motion
- piston push
- cavitation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The present invention relates to a kind of visual experimental apparatus for simulating the conventional plunger pump characteristics of motion and cavitation phenomenon, including：Visualized experiment component：Including visual single pole Plunger pump body and piston push rod unit, single pole Plunger pump body includes pump housing shell, and it is placed in being nested with pump housing shell, runner with two sections of connections during this is nested with, wherein sectional area larger one section is the motor segment runner with piston push rod unit matching, and another section of less runner of sectional area is then the cavitation section runner for forming cavitation phenomenon；Sinusoidal drive component：Connect and drive piston push rod unit to do sinusoidal reciprocating motion in single pole plunger pump；Fuel tank：It is connected by entering outlet line with the oil import and export of single pole Plunger pump body.Compared with prior art, the present invention by design circulation area it is different be nested with reach the slow-speed of revolution driving simulate high flow rate cavitation environment effect, the conventional operating mode of plunger pump is simulated, the cavitation phenomenon observation effect of high speed, full width, overall process is obtained by all-transparent cavitation section runner.
Description
Technical field
Show the present invention relates to a kind of cavitation experimental provision, more particularly to a kind of simulation conventional plunger pump characteristics of motion and cavitation
The visual experimental apparatus of elephant.
Background technology
When the liquid internal local pressure of certain temperature is reduced to air separation pressure, the air of liquid internal can be separated out,
When pressure is further decreased to the saturated vapour pressure of liquid, vaporization will be produced, bubble (also known as vacuole, hole) is formed, when
After bubble is with liquid flow movement to the higher place of pressure, the steam regelation in bubble, bubble is crumbled and fall.Vacuole in this liquid stream
Emergence and Development, the process crumbled and fall, and resulting a series of physical and chemical change process are referred to as cavitation.The hair of cavitation
Life frequently can lead to machine efficiency and decline and cause the problems such as vibration, noise and material surface are destroyed, and can make machine not when serious
Can normal work.
Plunger pump, using extremely wide, is applied to the big flow velocity occasion of high pressure more in engineering, therefore cavitation phenomenon is extremely serious.Pin
Cavitation research to plunger pump just has begun to early in eighties of last century, and its cavitation visual research is even more important.But due to post
Fill in pump internal structure complicated, flow velocity high pressure is big, and very big difficulty is brought to plunger pump interior cavitation phenomenon visual inspection.
The good visual experimental apparatus of one observation effect has very important significance to the research of plunger pump cavitation, before
Through there is many scholars to design the visual experimental apparatus of plunger pump.It is to observe plunger pumping hydraulic fluid port using transparent pipeline to have one kind
Cavitation phenomenon, but cavitation processes that can not be observed inside plunger pump housing；Another is to pass through observation using high-speed camera
Hole shoots the cavitation image inside valve plate for piston pump, but because aperture intensity of illumination is not enough, captured cavitation graphical rule with
Definition is limited.
Scholar build it is clear it is great carry out the observation of cavitation inside plunger cavity by manufacturing and designing partially transparent plunger pump,
Good achievement is all achieved in terms of experiment and simulation.But transparent material can not bear plunger pump due to the Rigidity of itself
Running speed during conventional operating mode, and then the cavitation phenomenon under conventional operating mode can not be simulated.This device is using side in addition
Light source, light intensity is uneven, and has refraction effect, and the cavitation image shot has distortion.And this device is using complete
Nine piston structures, during shooting plunger cavity be in high-speed motion state, therefore high-speed camera capture simply plunger cavity fortune
Cavitation image at that moment before camera lens is moved, it is imperfect, discontinuously.
Above-mentioned design has respective defect, in order to eliminate shortcoming and improve design, it is necessary to conceive again, designs new reality
Experiment device.
The visual experimental apparatus of plunger pump is primarily to observe the interior cavitation of plunger pump, therefore new equipment wants to do
Method simulates the cavitation environment under the conventional operating mode of plunger pump as far as possible under the premise of existing.In conventional hydraulic environment, cavitation number
Extent of cavitation can directly be characterized, it is ensured that cavitation number is similar can to simulate corresponding cavitation environment.Cavitation number is research cavitation
When a parameter being related to, it is determined by pressure differential, fluid density and flow velocity, and similar plunger pump visualized experiment dress
Put often due to the Rigidity of transparent material is unable to reach the conventional rotating speed of plunger pump, corresponding flow velocity can also be reduced, therefore
In the case where ensureing that pressure differential and fluid density two are constant, flow velocity turns into the key factor of influence cavitation conditions.If certain
Individual visualization device can simulate corresponding flow velocity, it is possible to the cavitation environment that approximate simulation goes out under the conventional operating mode of plunger pump.
Assuming that some device whole clearing, the running speed that it can bear relatively, but can be by runner design and be lifted in it
The flow velocity of portion's liquid, and then ensure that cavitation number is similar, corresponding cavitation environment is simulated, makes to handle above-mentioned in this way
The problem that the device of Japanese scholars runs into.
The content of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide one kind uses low speed horizontal bar
Plunger pump simulates the visual experimental apparatus of the conventional plunger pump characteristics of motion and cavitation phenomenon.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of visual experimental apparatus for simulating the conventional plunger pump characteristics of motion and cavitation phenomenon, including：
Visualized experiment component：Including visual single pole Plunger pump body and piston push rod unit, described single pole post
Filling in the pump pump housing includes pump housing shell, and is placed in being nested with pump housing shell, the stream with two sections of connections during this is nested with
Road, wherein sectional area larger one section is the motor segment runner with the piston push rod unit matching, and it, which is used to providing piston, pushes away
The space of bar unit motion, another section of less runner of sectional area is then the cavitation section runner for forming cavitation phenomenon, and it is also connected
The oil import and export of the single pole Plunger pump body；
Sinusoidal drive component：Connect and drive the piston push rod unit to do sinusoidal reciprocating motion in single pole plunger pump；
Fuel tank：It is connected by entering outlet line with the oil import and export of the single pole Plunger pump body.
Further, described pump housing shell is made with use transparent material is nested with so that single pole Plunger pump body
Fully transparent visualization sideways.
Further, described pump housing shell one end open, inside, which is carried, to be used to install the hollow cavity being nested with, described
Be nested with the insertion pump housing shell after, fixed using pump housing capping with pump housing shell and seal opening.So it is nested with
Be placed on by the way of replaceable in pump housing shell, can according to requirement of experiment, be put into the pump housing with corresponding area than
Runner is nested with, to complete cavitation simulated experiment.
Further, the through hole passed through for piston push rod unit is additionally provided with the capping of the described pump housing, the through hole is built-in to be used
Linear bearing in radial positioning piston push rod unit motion direction, the outer face covered in the pump housing is additionally provided with for fixing straight line
The bearing door of bearing.It can effectively ensure that the motion of piston push rod unit is moved by direction initialization, without deflecting,
And then avoid to the more fragile pump housing and be nested with etc. and to cause to damage.
Further, described sinusoidal drive component includes motor and sinusoidal gear unit, wherein, sine transmission is single
Member connects the output shaft and piston push rod unit of motor respectively, and is pushed away for the output work of motor to be passed into piston
Bar unit, and it is done sinusoidal reciprocating motion in single pole plunger pump.Using sinusoidal drive Component driver plunger sinusoidal motion, replace
For the swash plate or inclined shaft structure of conventional plunger pump, experimental configuration is simplified.
Further, described sinusoidal gear unit includes power transmission shaft, sine wheel, variable sliding block and roller, wherein, institute
The one end for the power transmission shaft stated is connected by the output shaft of shaft coupling and motor, and the other end is fixedly connected with the center of circle of sine wheel
Point, described variable sliding block is vertically mounted on the sine wheel, and roller is also equipped with the end position of variable sliding block；
Also with the rolling matched perpendicular to sinusoidal vibration-direction and with the roller on described piston push rod unit
Chute is taken turns, while roller is rotated with sine wheel, is moved up and down along gyro wheeling concrete chuting, and makes the piston push rod that is connected with gyro wheeling concrete chuting
Unit is moved back and forth by sinusoidal rule.
The multiple mount points different away from circle center distance, institute are additionally provided with further preferred scheme, described sine wheel
State variable sliding block to be removably mounted in the mount point so that distance of the variable sliding block away from the center of circle is adjustable.Variable
The distance in sliding block to the center of circle is adjustable so that sinusoidal motion stroke of piston push rod unit etc. is variable, and then can change single pole post
Fill in the discharge capacity of pump.
Further preferred scheme, described piston push rod unit includes piston push rod, and piston push rod is placed in described
One end in nesting is provided with the plunger matched with motor segment runner, and the roller is also vertically installed with piston push rod and is slided
Groove.
Further, valve group is additionally provided with outlet line is entered, one end of the valve group connects the oil of single pole Plunger pump body
Import and export, the other end, which draws two oil circuits and connected, to be respectively equipped with one on the fuel tanks, two described oil circuits and flow to opposite list
To valve.By the opening and closing movement of two check valves, the motion of single pole plunger pump can be coordinated to realize oil suction oil extraction process.
Further, described visual experimental apparatus also includes being used to install the visualized experiment component, sinusoidal drive
The chassis of dynamic component and fuel tank, the marginal position on chassis is additionally provided with groove, described chassis and is also placed with experiment protective cover.It is real
Testing the setting of protective cover can effectively prevent pump housing explosion and hydraulic oil from revealing the peace that the dangerous situations such as splash jeopardize experimenter
Entirely.
Compared with prior art, the present invention has advantages below：
(1) a kind of use low speed horizontal bar plunger pump of the invention simulation conventional plunger pump characteristics of motion and cavitation phenomenon can
Depending on changing experimental provision, using fixed single cylinder plunger pump structure, only piston is being moved in running, and plunger cavity position is not
It can change, it is ensured that the use of the image captured by high-speed camera is continuous and complete.
(2) a kind of use low speed horizontal bar plunger pump of the invention simulation conventional plunger pump characteristics of motion and cavitation phenomenon can
Depending on changing experimental provision, plunger cavity configuration whole clearing can dispose intense light source to camera lens direct projection on plunger cavity opposite.The present apparatus is carried
The light of confession comes from direct projection of the camera lens to area source, cavitation image fault will not be made because of refraction, it is to avoid probe internally provided or office
The problem of intensity of light source brought is inadequate, shooting speed is inadequate is observed in portion's windowing.
(3) a kind of use low speed horizontal bar plunger pump of the invention simulation conventional plunger pump characteristics of motion and cavitation phenomenon can
Depending on changing experimental provision, employ different area than embedded flow passage structure, it is to avoid during the experiment of Low rigidity lucite plunger pump
The not enough problem of flow velocity that rotating speed low strap comes, it is ensured that experimental provision is similar to the internal flow cavitation number of real metal plunger pump.
The replaceable design of embedded nested structure, is more convenient to carry out observation of cavitation different in flow rate.
(4) a kind of use low speed horizontal bar plunger pump of the invention simulation conventional plunger pump characteristics of motion and cavitation phenomenon can
Depending on changing experimental provision using sine mechanism driving piston sinusoidal motion, the swash plate or inclined shaft structure of conventional plunger pump are instead of, with
Relatively simple structure reappears real plunger pump cavitation processes.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the visual test device of the present invention；
Fig. 2 is the structural representation of the sinusoidal gear unit of the present invention, wherein, figure (a) is respectively two different with figure (b)
The view at visual angle；
Fig. 3 is the structural representation of the single pole Plunger pump body of the present invention；
Fig. 4 is the structural representation of the valve group of the present invention；
In figure, 1- chassis, 2- fuel tanks, 3- motors, 4- sine gear units, 5- drive axle supports, 6- piston push rods
Unit, 7- transverse slats, 8- single pole Plunger pump bodies, 9- valve groups, 401- power transmission shafts, 402- sine wheels, 403- variable sliding blocks, 404- rollings
Wheel, 405- sliding block screws, 406- shaft couplings, 801- pump housing shells, 802- is nested with, the capping of the 803- pump housings, 804- linear bearings,
805- bearing doors, 806- capping screws, 901- valve blocks, 902- oil sucting one-way valves, 903- oil extraction check valves, 904- safety valves.
Embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment
A kind of visual experimental apparatus for simulating the conventional plunger pump characteristics of motion and cavitation phenomenon, its structure as shown in figure 1,
Including：
Visualized experiment component：Including visual single pole Plunger pump body 8 and piston push rod unit 6, single pole plunger pump
The pump housing 8 includes pump housing shell 801, and is placed in pump housing shell 801 and is nested with 802, and this carries two sections in being nested with 802
The runner of connection, wherein sectional area larger one section is the motor segment runner coordinated with piston push rod unit 6, and it is used to provide work
The space that pusher unit 6 is moved is filled in, another section of less runner of sectional area is then the cavitation section runner for forming cavitation phenomenon, and it is also
Connect the oil import and export of single pole Plunger pump body 8；
Sinusoidal drive component：Connect and drive piston push rod unit 6 to do sinusoidal reciprocating motion in single pole plunger pump；
Fuel tank 2：It is connected by entering outlet line with the oil import and export of single pole Plunger pump body 8.
Pump housing shell 801 is made with being nested with 802 of transparent material so that the side of single pole Plunger pump body 8 is completely
Transparent visual.
As a preferred embodiment, as shown in figure 3, the one end open of pump housing shell 801, inside, which is carried, to be used to install
802 hollow cavity is nested with, after being nested with 802 insertion pump housing shells 801, using pump housing capping 803 and pump housing shell 801
Fix and seal opening.The through hole passed through for piston push rod unit 6 is additionally provided with pump housing capping 803, the through hole is built-in to be used for footpath
To the linear bearing 804 of the positioning direction of motion of piston push rod unit 6, the outer face for covering 803 in the pump housing is additionally provided with for fixing
The bearing door 805 of linear bearing 804, bearing door 805 realizes fixation with pump housing capping 803 by covering screw 806.On
Stating the setting of positioner can effectively ensure that the motion of piston push rod unit 6 is moved by direction initialization, inclined without occurring
Turn, and then avoid causing damage with being nested with 802 etc. to the more fragile pump housing.
As a preferred embodiment, sinusoidal drive component includes motor 3 and sinusoidal gear unit 4, wherein,
Sinusoidal gear unit 4 connects the output shaft and piston push rod unit 6 of motor 3 respectively, and is used for the output of motor 3
Work(passes to piston push rod unit 6, and it is done sinusoidal reciprocating motion in single pole plunger pump.Use sinusoidal drive Component driver
Plunger sinusoidal motion, instead of the swash plate or inclined shaft structure of conventional plunger pump, simplifies experimental configuration.
Further refined in such scheme as shown in Figure 2 (including Fig. 2 a, Fig. 2 b), sinusoidal gear unit 4 includes passing
Moving axis 401, sine wheel 402, variable sliding block 403, roller 404 and transverse slat 7, wherein, transverse slat 7 is primarily to power transmission shaft 401
Suitable installation site is provided with piston push rod etc., power transmission shaft 401 passes through the support of drive axle support 5 and installed, the one of power transmission shaft 401
End is connected by shaft coupling 406 with the output shaft of motor 3, and the other end is fixedly connected with the centre point of sine wheel 402, and variable is slided
Block 403 is vertically mounted on sine wheel 402, and roller 404 is also equipped with the end position of variable sliding block 403；
Also with the gyro wheeling concrete chuting matched perpendicular to sinusoidal vibration-direction and with roller 404 on piston push rod unit 6,
While roller 404 is rotated with sine wheel 402, moved up and down along gyro wheeling concrete chuting, and make the piston push rod that is connected with gyro wheeling concrete chuting
Unit 6 is moved back and forth by sinusoidal rule.Piston push rod unit 6 includes piston push rod, and piston push rod is placed in one be nested with 802
End is provided with the plunger matched with motor segment runner, and gyro wheeling concrete chuting is also vertically installed with piston push rod.
Can also be more preferably to be additionally provided with sine wheel 402 different away from circle center distance in above-mentioned refinement scheme
Multiple mount points, variable sliding block 403 by sliding block screw 405 be arranged on mount point on so that variable sliding block 403 away from the center of circle away from
From adjustable.The distance in variable sliding block 403 to the center of circle is adjustable so that sinusoidal motion stroke of piston push rod unit 6 etc. is variable, and then
The discharge capacity of single pole plunger pump can be changed.
Further preferred scheme, is additionally provided with valve group 9, its structure is as shown in figure 4, valve group 9 includes on outlet line is entered
Valve block 901, the oil import and export of one end connection single pole Plunger pump body 8 of valve block 901, the other end draws two oil circuit connection fuel tanks 2,
One is respectively equipped with two oil circuits and flows to opposite check valve, respectively oil sucting one-way valve 902 and oil extraction check valve 903, valve
Safety valve 904 is additionally provided with block 901, safety valve 904 connects fuel tank 2 by bypass line.Moved by the folding of two check valves
Make, the motion of single pole plunger pump can be coordinated to realize oil suction oil extraction process.
Further preferred scheme, visual experimental apparatus also includes being used to install visualized experiment component, sinusoidal drive
The chassis 1 of component and fuel tank 2, the marginal position on chassis 1 is additionally provided with groove, chassis 1 and is also placed with experiment protective cover.Experiment is anti-
The setting of shield can effectively prevent pump housing explosion and hydraulic oil reveals the safety that the dangerous situations such as splash jeopardize experimenter.
The above-mentioned description to embodiment is understood that for ease of those skilled in the art and using invention.
Person skilled in the art obviously can easily make various modifications to these embodiments, and described herein general
Principle is applied in other embodiment without passing through performing creative labour.Therefore, the invention is not restricted to above-described embodiment, ability
Field technique personnel are according to the announcement of the present invention, and not departing from improvement and modification that scope made all should be the present invention's
Within protection domain.
Claims (10)
1. a kind of visual experimental apparatus for simulating the conventional plunger pump characteristics of motion and cavitation phenomenon, it is characterised in that including：
Visualized experiment component：Including visual single pole Plunger pump body (8) and piston push rod unit (6), described single pole
Plunger pump body (8) includes pump housing shell (801), and is placed in pump housing shell (801) and is nested with (802), and this is embedded
The runners with two sections of connections in (802) are covered, wherein sectional area larger one section is and the piston push rod unit (6) coordinates
Motor segment runner, it is used for the space for providing piston push rod unit (6) motion, and another section of less runner of sectional area is then formation
The cavitation section runner of cavitation phenomenon, it also connects the oil import and export of the single pole Plunger pump body (8)；
Sinusoidal drive component：Connect and drive the piston push rod unit (6) to do sinusoidal reciprocating motion in single pole plunger pump；
Fuel tank (2)：It is connected by entering outlet line with the oil import and export of the single pole Plunger pump body (8).
2. a kind of visualized experiment dress for simulating the conventional plunger pump characteristics of motion and cavitation phenomenon according to claim 1
Put, it is characterised in that described pump housing shell (801) and be nested with (802) and be made of transparent material so that single pole plunger
The fully transparent visualization in the pump pump housing (8) side.
3. a kind of visualized experiment dress for simulating the conventional plunger pump characteristics of motion and cavitation phenomenon according to claim 1
Put, it is characterised in that described pump housing shell (801) one end open, inside is absolutely empty in (802) with being nested with for installation
Chamber, it is described to be nested with after (802) are inserted in the pump housing shell (801), (803) and pump housing shell are covered using the pump housing
(801) fix and seal opening.
4. a kind of visualized experiment dress for simulating the conventional plunger pump characteristics of motion and cavitation phenomenon according to claim 3
Put, it is characterised in that be additionally provided with described pump housing capping (803) in the through hole passed through for piston push rod unit (6), the through hole
The linear bearing (804) for radial positioning piston push rod unit (6) direction of motion is put, the outer face of (803) is covered in the pump housing
It is additionally provided with the bearing door (805) for fixing linear bearing (804).
5. a kind of visualized experiment dress for simulating the conventional plunger pump characteristics of motion and cavitation phenomenon according to claim 1
Put, it is characterised in that described sinusoidal drive component includes motor (3) and sinusoidal gear unit (4), wherein, sine is passed
Moving cell (4) connects the output shaft and piston push rod unit (6) of motor (3) respectively, and is used for the defeated of motor (3)
Go out work(and pass to piston push rod unit (6), and it is done sinusoidal reciprocating motion in single pole plunger pump.
6. a kind of visualized experiment dress for simulating the conventional plunger pump characteristics of motion and cavitation phenomenon according to claim 5
Put, it is characterised in that described sinusoidal gear unit (4) includes power transmission shaft (401), sine wheel (402), variable sliding block (403)
With roller (404), wherein, one end of described power transmission shaft (401) passes through the output shaft of shaft coupling (406) and motor (3)
Connection, the other end is fixedly connected with the centre point of sine wheel (402), and described variable sliding block (403) is vertically mounted on the sine
Take turns on (402), roller (404) is also equipped with the end position of variable sliding block (403)；
Also carry perpendicular to sinusoidal vibration-direction and matched with the roller (404) on described piston push rod unit (6)
Gyro wheeling concrete chuting, while roller (404) is rotated with sine wheel (402), moved up and down along gyro wheeling concrete chuting, and make and gyro wheeling concrete chuting
The piston push rod unit (6) of connection is moved back and forth by sinusoidal rule.
7. a kind of visualized experiment dress for simulating the conventional plunger pump characteristics of motion and cavitation phenomenon according to claim 6
Put, it is characterised in that the multiple mount points different away from circle center distance are additionally provided with described sine wheel (402), the variable is slided
Block (403) is removably mounted in the mount point so that the distance of variable sliding block (403) away from the center of circle is adjustable.
8. a kind of visualized experiment dress for simulating the conventional plunger pump characteristics of motion and cavitation phenomenon according to claim 6
Put, it is characterised in that described piston push rod unit (6) includes piston push rod, piston push rod is placed in described be nested with (802)
One end be provided with the plunger that is matched with motor segment runner, the gyro wheeling concrete chuting is also vertically installed with piston push rod.
9. a kind of visualized experiment dress for simulating the conventional plunger pump characteristics of motion and cavitation phenomenon according to claim 1
Put, it is characterised in that valve group (9) is additionally provided with outlet line is entered, one end connection single pole Plunger pump body of the valve group (9)
(8) oil import and export, the other end draws is respectively equipped with a stream on two oil circuits connection fuel tanks (2), two described oil circuits
To opposite check valve.
10. a kind of visualized experiment dress for simulating the conventional plunger pump characteristics of motion and cavitation phenomenon according to claim 1
Put, it is characterised in that described visual experimental apparatus also includes being used to install the visualized experiment component, sinusoidal drive group
The chassis (1) of part and fuel tank (2), the marginal position in chassis (1) is additionally provided with groove, described chassis (1) and is also placed with experiment
Protective cover.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710137650.4A CN106979149B (en) | 2017-03-09 | 2017-03-09 | Simulate the visual experimental apparatus of the conventional plunger pump characteristics of motion and cavitation phenomenon |
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| CN201710137650.4A CN106979149B (en) | 2017-03-09 | 2017-03-09 | Simulate the visual experimental apparatus of the conventional plunger pump characteristics of motion and cavitation phenomenon |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108443134A (en) * | 2018-03-29 | 2018-08-24 | 广西大学 | A kind of rolling piston compressor radial direction observation of cavitation experimental provision |
| CN109870316A (en) * | 2018-09-11 | 2019-06-11 | 江苏大学镇江流体工程装备技术研究院 | A kind of axial flow blood pump cavitation experimental bench |
| CN110043534A (en) * | 2019-04-29 | 2019-07-23 | 兰州理工大学 | The visual experimental apparatus and method of bubbly flow and bubble removing in hydraulic system |
| CN111364947A (en) * | 2020-03-30 | 2020-07-03 | 中国石油天然气集团有限公司 | Plunger drainage gas production simulation device and simulation method |
| CN114673653A (en) * | 2022-04-07 | 2022-06-28 | 北京理工大学 | Cavitation erosion test device for single plunger pump |
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| CN101403406A (en) * | 2008-11-11 | 2009-04-08 | 西安交通大学 | Plunger type flow pulsation generator |
| CN202204746U (en) * | 2011-09-15 | 2012-04-25 | 合肥工业大学 | Cavitation corrosion wear testing device applied to diesel machine jet |
| CN204921540U (en) * | 2015-09-01 | 2015-12-30 | 浙江大学 | Hydraulic pressure cavitation test system |
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| US4267856A (en) * | 1976-02-20 | 1981-05-19 | Edward V. Rippingille, Jr. | Fluid oscillator |
| SE514807C2 (en) * | 1998-09-10 | 2001-04-30 | Svante Bahrton | Double-acting diaphragm pump for constant pressure and flow |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108443134A (en) * | 2018-03-29 | 2018-08-24 | 广西大学 | A kind of rolling piston compressor radial direction observation of cavitation experimental provision |
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| CN110043534B (en) * | 2019-04-29 | 2020-06-23 | 兰州理工大学 | Visual experiment device and method for bubble flowing and bubble removal in hydraulic system |
| CN111364947A (en) * | 2020-03-30 | 2020-07-03 | 中国石油天然气集团有限公司 | Plunger drainage gas production simulation device and simulation method |
| CN114673653A (en) * | 2022-04-07 | 2022-06-28 | 北京理工大学 | Cavitation erosion test device for single plunger pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106979149B (en) | 2018-10-26 |
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