CN207557077U - Facilitate easy-to-use controllable vacuole visual experimental apparatus - Google Patents
Facilitate easy-to-use controllable vacuole visual experimental apparatus Download PDFInfo
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- CN207557077U CN207557077U CN201721611299.XU CN201721611299U CN207557077U CN 207557077 U CN207557077 U CN 207557077U CN 201721611299 U CN201721611299 U CN 201721611299U CN 207557077 U CN207557077 U CN 207557077U
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- 238000005259 measurement Methods 0.000 claims abstract description 12
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Abstract
Facilitate easy-to-use controllable vacuole visual experimental apparatus the utility model discloses a kind of, above-mentioned experimental provision includes the adjustable limiting platform set gradually from top to bottom, mobile platform, fixed limiting platform；It further includes connecting tube, organic glass box, spring conductor rod, spring, vacuole position control-rod, measurement sensor, adjustable limiting platform supporting rod, adjusting screw rod, adjust clamper, limiting device and trigger device.It is above-mentioned to facilitate easy-to-use controllable vacuole visual experimental apparatus, it is reasonable in design, it is easy to operate, truly realize convenient and practical vacuole simulated experiment.
Description
Technical field
The utility model is related to cavitation field of experiment equipment more particularly to a kind of that easy-to-use controllable vacuole is facilitated to visualize is real
Experiment device.
Background technology
It is well known that cavitation is a kind of a kind of phenomenon of liquid local pressure less than phase transformation after its saturated vapor pressure, wherein
The basic component units of cavitation are vacuoles.
All the time, the dynamic behavior of vacuole and different factors are all researchers on dynamic (dynamical) influence of vacuole
Emphasis, therefore the vacuole for needing generation number, size, position controllable in laboratory is studied.
At present, the experimental provision of vacuole is generated mainly by skills such as focusing ultrasonic wave, spark discharge and laser focusing
Art generates vacuole.Existing experimental provision is mainly focused on by focusing ultrasonic wave, spark discharge and laser and generates vacuole.
Introduction detailed once is done to three kinds of traditional experimental provisions below：
Wherein, focusing ultrasonic wave needs to generate using acoustic-electrical transducer, past although some position can be focused on
Toward the operation action for inducing vacuole group, generating vacuole number can not control, and required energy converter is expensive very well.
Wherein, spark discharge needs to puncture liquid using high-field electrode, and vacuole position, size, number are controllable, due to having
Local energy inputs, and the vacuole occurred in vacuole and practical engineering application that spark discharge generates is compared, Bubble dynamics row
For only some is similar, and electrode has been invaded inside vacuole, vacuole deformation is easily caused.
Wherein, laser focusing is focused on using high energy pulse laser, and local energy input breakdown liquid generates vacuole, vacuole
Position, size, number are controllable, and this method is that non-intrusion type induces vacuole, and vacuole will not deform, but and spark discharge
Generation vacuole is similar, and the dynamic behavior only part of vacuole is similar with the vacuole occurred in practical engineering application, in addition, swashing
Light, which focuses on generation vacuole, needs pulse laser, expensive, and debugging maintenance cost is high.It will be apparent that of the prior art common three
All there are the technological deficiencies of different aspect for kind experimental provision；
To sum up, how to overcome the above-mentioned technological deficiency of such experimental provision in the prior art, design it is a it is convenient and practical,
Vacuole is controllable, the experimental provision of simple structure, is the technical issues of those skilled in the art are badly in need of solving.
Utility model content
Facilitate easy-to-use controllable vacuole visual experimental apparatus the purpose of this utility model is to provide a kind of, in solution
State problem.
In order to achieve the above object, the technical solution of the utility model is realized in：
The utility model additionally provide it is a kind of facilitate easy-to-use controllable vacuole visual experimental apparatus, including from top to bottom according to
Adjustable limiting platform, mobile platform, the fixed limiting platform of secondary setting；
It is described that easy-to-use controllable vacuole visual experimental apparatus is facilitated to further include connecting tube, organic glass box, spring guiding
Bar, vacuole position control-rod, measurement sensor, adjustable limiting platform supporting rod, adjusting screw rod, adjusts clamper, limit at spring
Position device and trigger device；
The fixed limiting platform is connect by the adjustable limiting platform supporting rod with the adjustable limiting platform；
The bottom end of the adjustable limiting platform supporting rod is fixedly connected with the fixed limiting platform, the adjustable limiting platform branch
The top of strut is fixedly connected with the adjustable limiting platform；
The mobile platform is moved with the fixed limiting platform by the spring conductor rod and connect；The adjusting spiral shell
Bar is arranged on the top of the mobile platform；It is flat that the adjusting screw rod is used for the relatively described adjustable limiting to the mobile platform
Movement is adjusted in platform distance；
The limiting device is set between the adjustable limiting platform and the mobile platform；The limiting device is used for
When performing locking, position carries out limitation locking action after being moved to the mobile platform；The limiting device is additionally operable to releasing
During locking, lock out action carries out releasing action after being moved to the mobile platform；
The connecting tube sequentially passes through the mobile platform and the organic glass box from top to bottom；The top of the connecting tube
End is connect with the mobile platform, and the bottom end of the connecting tube connects and seals with the organic glass box, and described measure passes
Sensor is connected and is sealed with the organic glass box；
The top of vacuole position control-rod is fixed by the adjusting clamper with the adjustable limiting platform to be connected
It connects, the bottom of vacuole position control-rod stretches into the organic glass box and there are spacers with the organic glass cassette bottom portion
From；The bottom of vacuole position control-rod is provided with pit.
It preferably, can embodiment as one kind；The quantity of the spring conductor rod is specially four, and the spring
Quantity is also specially four；Each spring, which corresponds, to be socketed on the spring conductor rod；And four springs
Guide rod is spaced apart at the bottom surrounding for being arranged on the mobile platform.
It preferably, can embodiment as one kind；The bottom of the mobile platform is also set up there are four through-hole；The movement
Four through-holes of platform are distinguished four spring conductor rod positions and are corresponded to.
It preferably, can embodiment as one kind；The quantity for stating adjustable limiting platform supporting rod is specially four；Four
The adjustable limiting platform supporting rod is respectively separated at the bottom surrounding for being arranged on the fixed limiting platform.
It preferably, can embodiment as one kind；The quantity of the pit of the bottom of vacuole position control-rod is
One or multiple.
It preferably, can embodiment as one kind；Multiple pits are evenly distributed to be arranged on the vacuole position control
The bottom of bar.
It preferably, can embodiment as one kind；The shape of the pit of the bottom of vacuole position control-rod is
Spherical cambered surface shape.
It preferably, can embodiment as one kind；The depthometer of the pit of the bottom of vacuole position control-rod
The very little diameter dimension with vacuole position control-rod is adapted.
Compared with prior art, it is the advantages of the utility model embodiment：
It is provided by the utility model a kind of to facilitate easy-to-use controllable vacuole visual experimental apparatus：Analyze it is above-mentioned facilitate it is easy-to-use
The main contents of controllable vacuole visual experimental apparatus are understood：The easy controllable vacuole visual experimental apparatus of the party,
Mainly by adjustable limiting platform, mobile platform, fixed limiting platform and connecting tube, organic glass box, spring conductor rod, bullet
Spring, measurement sensor, adjustable limiting platform supporting rod, adjusting screw rod, adjusts clamper, limiting dress at vacuole position control-rod
It puts and is formed with structures such as trigger devices；
Wherein, the fixed limiting platform passes through the adjustable limiting platform supporting rod and the adjustable limiting platform
Connection；The bottom end of the adjustable limiting platform supporting rod is fixedly connected with the fixed limiting platform, the adjustable limiting
The top of table support bar is fixedly connected with the adjustable limiting platform；
The mobile platform is moved with the fixed limiting platform by the spring conductor rod and connect；The adjusting spiral shell
Bar is arranged on the top of the mobile platform；It is flat that the adjusting screw rod is used for the relatively described adjustable limiting to the mobile platform
Movement is adjusted in platform distance；
The limiting device is set between the adjustable limiting platform and the mobile platform；The limiting device is used for
When performing locking, position carries out limitation locking action after being moved to the mobile platform；The limiting device is additionally operable to releasing
During locking, lock out action carries out releasing action after being moved to the mobile platform；
The connecting tube sequentially passes through the mobile platform and the organic glass box from top to bottom；The top of the connecting tube
End is connect with the mobile platform, and the bottom end of the connecting tube connects and seals with the organic glass box, and described measure passes
Sensor is connected and is sealed with the organic glass box；
The top of vacuole position control-rod is fixed by the adjusting clamper with the adjustable limiting platform to be connected
It connects, the bottom of vacuole position control-rod stretches into the organic glass box and there are spacers with the organic glass cassette bottom portion
From；The bottom of vacuole position control-rod is provided with pit.
The easy controllable vacuole visual experimental apparatus of the above-mentioned party, employs completely new structure design.It is accurate in experiment
Before standby, need to set adjustable limiting platform according to experiment and fixed limiting platform distance parameter is (flat to can adjust limiting
Platform is adjusted with fixed limiting platform distance)；It is filled with liquid working substance type；By adjusting screw rod implement compress downwards away from
From etc.；
Meanwhile the above-mentioned party it is easy with controllable vacuole visual experimental apparatus be it is a kind of pass through to press hit triggering vacuole
Analogue experiment installation：The top of the mobile platform and connecting tube connects, and the bottom end of connecting tube connects and close with organic glass box
Envelope, measurement sensor connect sealing with organic glass box；By adjusting screw rod to the mobile platform relatively described adjustable limit
Movement is adjusted in bit platform distance, and (i.e. pressure movement downwards, when mobile platform moves down, four spring conductor rods can be from shifting
It is passed through in moving platform)；Limiting and unlock are realized by limiting device；Then after its unlock, institute is struck by mobile platform
When stating adjustable limiting platform, it will automatically turn on the trigger device and measure, and at the bottom of vacuole position control-rod
Portion's pit generates a vacuole and (a small-sized pit is machined in the bottom of vacuole position control-rod in addition, for true
Determine vacuole position and original dimension.)
It will be apparent that when mobile platform strikes adjustable limiting platform, moment will lead to vacuole position control-rod bottom
Portion's pit generates cavitation phenomena；Meanwhile above-mentioned experimental provision vacuole is controllable；It illustrates：Since the experimental provision can be adjusted
The distance of mobile platform and adjustable limiting platform, can also adjust between adjustable limiting platform and fixed limiting platform away from
From, therefore the amplitude for generating tensile wave in water can be adjusted；In addition, vacuole position control-rod base wells size, number, position
Putting can also be adjusted.So as to pass through the different adjustment of above-mentioned parameter, thus it is possible to vary the primary condition of vacuole generation, it can also
Control size, position, the number of vacuole.It should be noted that above-mentioned change experiment condition can influence the generation of vacuole, to this
The utility model no longer repeats one by one.Above-mentioned experimental provision operates more convenient, and quick, can be adapted for a variety of
Operating mode, plurality of liquid implements experiment, while cavitation phenomena producing method is more direct, and faster, more practical, person easy to operation is more preferable
Understand cavitation phenomena.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution of the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness
Under the premise of labour, other attached drawings are can also be obtained according to these attached drawings.
Fig. 1 facilitates easy-to-use controllable vacuole visual experimental apparatus before pressure for what the utility model embodiment one provided
Primary structure schematic diagram；
Fig. 2 facilitates easy-to-use controllable vacuole visual experimental apparatus after the application of the overpressure for what the utility model embodiment one provided
Primary structure schematic diagram；
Fig. 3 is facilitate easy-to-use controllable vacuole visual experimental apparatus one that Fig. 2 the utility model embodiments one provide
Partial enlargement structural representation.
Label：1- connecting tubes；2- organic glass boxes；3- mobile platforms；4- can adjust limiting platform；It is flat that 5- fixes limiting
Platform；6- spring conductor rods；7- springs；8- vacuoles position control-rod；9- measurement sensors；10- can adjust limiting platform supporting rod；
11- adjusting screw rods；12- adjusts clamper.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet
Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality
Novel protected range.
In the description of the present invention, it should be noted that the word of the orientation of certain instructions or position relationship, only
It is that the utility model must have spy with the device or element for simplifying description rather than instruction or hint meaning for ease of description
Fixed orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.
In the description of the present invention, it should be noted that " connection " should be interpreted broadly, for example, it may be fixed
It connects or is detachably connected or is integrally connected；Can be mechanical connection or electrical connection；Can be direct
It is connected, can also be indirectly connected by intermediary, can be the connection inside two elements.For the ordinary skill of this field
For personnel, concrete meaning of the above-mentioned term in the utility model can be understood with concrete condition.
The utility model is further described in detail below through specific implementation examples and in conjunction with the accompanying drawings.
Embodiment one
Referring to Fig. 1 and Fig. 2, the utility model embodiment one, which provides, a kind of facilitates easy-to-use controllable vacuole visualized experiment
Device, including the adjustable limiting platform 4, mobile platform 3, fixed limiting platform 5 set gradually from top to bottom；
It is described easy-to-use controllable vacuole visual experimental apparatus to be facilitated to further include connecting tube 1, organic glass box 2, spring lead
To bar 6, spring 7, vacuole position control-rod 8, measurement sensor 9, adjustable limiting platform supporting rod 10, adjusting screw rod 11, adjust
Save clamper 12, limiting device (being not drawn into figure) and trigger device；
The fixed limiting platform 5 passes through the adjustable limiting platform supporting rod 10 and the adjustable limiting platform 4
Connection；The bottom end of the adjustable limiting platform supporting rod 10 is fixedly connected with the fixed limiting platform 5, the adjustable limit
The top of bit platform supporting rod 10 is fixedly connected with the adjustable limiting platform 4；
The mobile platform 3 passes through the spring conductor rod 6 and the removable connection of the fixed limiting platform 5；The tune
Section screw rod 11 is arranged on the top of the mobile platform 3；The adjusting screw rod 11 for it is relatively described to the mobile platform 3 can
Movement is adjusted in adjustment 4 distance of limiting platform；
The limiting device is set between the adjustable limiting platform 4 and the mobile platform 3；The limiting device is used
When locking is performed, position carries out limitation locking action after being moved to the mobile platform 3；The limiting device is additionally operable to solving
During except locking, lock out action carries out releasing action after being moved to the mobile platform 3；
The connecting tube 1 sequentially passes through the mobile platform 3 and the organic glass box 2 from top to bottom；The connecting tube 1
Top connect with the mobile platform 3, the bottom end of the connecting tube 1 connects and seals, and described with the organic glass box 2
Measurement sensor 9 is connected and is sealed with the organic glass box 2；
The top of vacuole position control-rod 8 is solid by the adjusting clamper 12 and the adjustable limiting platform 4
Fixed connection, the bottom of vacuole position control-rod 8 is stretched into the organic glass box 2 and is deposited with 2 bottom of organic glass box
In spacing distance, (organic glass box 2 is transparent configuration, and purpose of design is to realize visualization, and person easy to operation preferably observes reality
Test phenomenon)；The bottom of vacuole position control-rod 8 is provided with pit；It is above-mentioned to facilitate easy-to-use controllable vacuole visualized experiment
The partial enlargement structural representation of device, reference can be made to Fig. 3.
Facilitate easy-to-use controllable vacuole visual experimental apparatus involved by the utility model embodiment；As shown in Figure 1.It is real
The critical piece of experiment device has connecting tube 1, organic glass box 2, mobile platform 3, adjustable limiting platform 4, fixed limiting platform
5th, 9, four four spring conductor rods, 6, four springs 7, vacuole position control-rod 8, measurement sensor adjustable limiting platform branch
Strut 10, adjusts clamper 12, limiting device (not shown) and trigger device (not shown) at adjusting screw rod 11.Its
Middle mobile platform 3 is connect with the top of connecting tube 1, and the bottom end of connecting tube 1 and organic glass box 2 are connected and sealed, and measures sensing
Device 9 and the connection sealing of organic glass box 2；It is connected, and moving between four 6 bottoms of spring conductor rod and fixed limiting platform 5
Moving platform 3 has opened through-hole in the corresponding position of four spring conductor rods 6.When mobile platform moves down, four spring conductor rods 6 can
To be passed through from mobile platform 3.Then after the unlock of its limiting device, the adjustable limiting is struck by mobile platform 3
During platform 4, it will automatically turn on the trigger device and measure, and generated in the base wells of vacuole position control-rod 8
(in vacuole position, the bottom of control-rod 8 machined a small-sized pit and generated for vacuole one or more vacuoles.)
Above-mentioned experimental provision operates more convenient, while cavitation phenomena producing method is more direct, faster, more practical, convenient for behaviour
Author more preferably understands cavitation phenomena.
It should be added that vacuole (Cavity) is that occur on the basis of liquid medium is by progressive failure
, be pressure reduction result.In other words, when certain point pressure is reduced to below some critical pressure in liquid, liquid occurs
Vaporization, it is microcosmic before this, then become the minute bubbles of macroscopic view, thereafter on the interface of liquid internal or liquid and solid, converge
Close the cavity for forming larger steam and gas, referred to as vacuole.The Emergence and Development of vacuole is known as cavitation phenomenon with the process of crumbling and fall
(Cavitation Phenomenon).Vacuole refers to the bubble generated when a part of pressure is down to below water saturation vapour pressure, this
What a little bubbles were made of steam and certain gases being dissolved in the water.There are gas core (micro-bubble) and pressure reductions in liquid
It is two necessary conditions that cavitation occurs.
In addition, it is necessary to explanation, when mobile platform 3 strikes adjustable limiting platform 4, moment will lead to vacuole
Control-rod 8 base wells in position generate cavitation phenomena；Meanwhile above-mentioned experimental provision vacuole is controllable；It illustrates：Due to the experiment
Device can adjust the distance of mobile platform 3 and adjustable limiting platform 4, can also adjust adjustable limiting platform 4 and fix
The distance between limiting platform 5, therefore the amplitude for generating tensile wave in water can be adjusted；The bottom of control-rod 8 in vacuole position
Portion machined a small-sized pit, for determining vacuole position and original dimension.Vacuole position 8 bottoms of control-rod are recessed
Hole size, number, position can also be adjusted.So as to pass through the different adjustment of above-mentioned parameter, thus it is possible to vary vacuole generation
Primary condition can also control size, position, the number of vacuole.It will be apparent that above-mentioned change experiment condition can influence vacuole
It generates, this utility model embodiment is no longer repeated one by one.
Below to the concrete structure provided by the utility model for facilitating easy-to-use controllable vacuole visual experimental apparatus and
Particular technique effect, which is done, to be described in detail：
Referring to Fig. 1-Fig. 3, the quantity of the spring conductor rod 6 is specially four, and the quantity of the spring 7 is also specially
Four；Each spring 7, which corresponds, to be socketed on the spring conductor rod 6；
And four spring conductor rods 6 are spaced apart at the bottom surrounding for being arranged on the mobile platform 3.
It should be noted that in the above-mentioned concrete structure for facilitating easy-to-use controllable vacuole visual experimental apparatus, the bullet
The quantity of spring guide rod 6 can be multiple, but it is most preferably four in the preferred scheme, at the same time, the number of spring 7
Amount is also specially four；Each spring 7, which corresponds, to be socketed on the spring conductor rod 6；Spring 7 is mainly in limitation locking
Shi Shixian compression deformation, and recover immediately after unlock that deformation pushes mobile platform 3 quick mobile upwards and finally strike can
Adjust limiting platform 4.
Referring to Fig. 1-Fig. 3, the bottom of the mobile platform 3 also sets up that there are four through-holes；Four of the mobile platform 3 are logical
Distinguish four 6 positions of spring conductor rod and correspond in hole.
It should be noted that the bottom of mobile platform 3 is also set up, there are four through-holes；The main function of the through-hole is easy for
After mobile platform 3 moves up, spring conductor rod 6 is allowed freely to pass through above-mentioned through-hole.
Referring to Fig. 1-Fig. 3, the quantity of the adjustable limiting platform supporting rod 10 is specially four；Four described adjustable
Limiting platform supporting rod 10 is respectively separated at the bottom surrounding for being arranged on the fixed limiting platform 5.
It should be noted that in the above-mentioned concrete structure for facilitating easy-to-use controllable vacuole visual experimental apparatus, four
Adjustable limiting platform supporting rod 10 is respectively separated at the bottom surrounding for being arranged on the fixed limiting platform 5 (i.e. adjustable limit
The bottom of bit platform supporting rod 10 is fixed with fixed limiting platform 5, can adjust its top of limiting platform supporting rod 10 with it is adjustable
Whole limiting platform 4 is fixed), the design of above-mentioned position relationship can more preferably ensure adjustable limiting platform supporting rod 10 to adjustable
Limiting platform 4 forms solid and reliable supporting role.
It preferably, can embodiment as one kind；The quantity of the pit of the bottom of vacuole position control-rod 8 is
One or multiple.The evenly distributed bottom for being arranged on vacuole position control-rod 8 of multiple pits.
It preferably, can embodiment as one kind；The shape of the pit of the bottom of vacuole position control-rod 8 is
Spherical cambered surface shape.
It preferably, can embodiment as one kind；The depthometer of the pit of the bottom of vacuole position control-rod 8
The very little diameter dimension with vacuole position control-rod 8 is adapted.
It should be noted that the 8 base wells size of vacuole position control-rod, number, position can also be adjusted.From
And the different adjustment for passing through above-mentioned parameter, thus it is possible to vary the primary condition of vacuole generation can also control size, the position of vacuole
It puts, number.In addition, the pit shape removes spherical cambered surface shape, other shapes can also be selected, to this utility model reality
Example is applied no longer to repeat one by one.
Experimental method provided by the utility model is described in detail below：
Correspondingly, the utility model provides a kind of experimental method, using facilitating easy-to-use controllable vacuole visualized experiment
Device (referring also to Fig. 1, Fig. 2 and Fig. 3), includes the following steps：
Step 1：According to experiment needs, adjustable limiting platform 4 and fixed 5 distance parameter of limiting platform are set,
And distance adjusting and lock operation are performed according to the setpoint distance：According to experiment needs, adjustable limiting platform 4 is limited with fixed
5 distance parameter of bit platform set and then operates adjustable limiting platform 4 along the adjustable limiting platform supporting rod 10
Direction is slided and determines the distance between fixed limiting platform 5, and adjustable limiting platform 4 is fixed at the distance and position,
Then preload will be realized using four springs 7；
Step 2：According to experiment needs, the pit of design vacuole position control-rod 8, and it is filled with appropriate amount of fluid working medium：According to
Experiment needs, and pit is processed to the bottom of vacuole position control-rod 8；Take out the vacuole position control that pit is reserved in bottom
Bar 8 processed, by appropriate amount of fluid working medium (such as：Water) it is filled in the organic glass box 2 and the connecting tube 1, by the vacuole position
Put control-rod 8 put back to and suitably adjust between the bottom of vacuole position control-rod 8 and 2 bottom of organic glass box away from
From, by it is described adjusting clamper 12 vacuole position control-rod 8 is performed into fixed operation；
Step 3：It performs pressure and hits warming-up exercise：According to experiment needs, by rotating adjusting screw rod 11, by mobile platform
3rd, connecting tube 1, organic glass box 2, measurement sensor 9 move down certain distance, and are stuck in described can adjust with the limiting device
Between limiting platform 4 and the mobile platform 3, four springs 7 are compressed by certain distance again at this time；
Step 4：It performs and hits cavitation action：The limiting device is unclamped, four springs 7 will restore original length at this time,
Mobile platform 3, connecting tube 1, organic glass box 2,9 moment of measurement sensor are pushed up；When the mobile platform 3 strikes
During the adjustable limiting platform 4, it will automatically turn on the trigger device and measure, and in vacuole position control-rod 8
Base wells generate a vacuole.
Above-mentioned test method is analyzed to understand：The principle of the experiment is hitting by mobile platform 3 and adjustable limiting platform 4
It hits, tensile wave (amplitude is less than saturated vapor pressure) is generated in water, when the bottom that tensile wave travels to vacuole position control-rod 8 is recessed
During hole, vacuole is generated.The technical solution of the utility model is directly directly to be generated vacuole by tension wave impact using liquid, should
The direct occurring mode of physics is more direct compared to other experiment methods, and it is more true controllable that phenomenon occurs.
It will be apparent that it should be noted that since the experimental provision can adjust mobile platform 3 and adjustable limiting platform 4
Distance, the distance between adjustable limiting platform 4 and fixed limiting platform 5 can also be adjusted, therefore can adjust in water
Generate the amplitude of tensile wave；In addition, 8 base wells size of vacuole position control-rod, number, position can also be adjusted.From
And the different adjustment for passing through above-mentioned parameter, thus it is possible to vary the primary condition of vacuole generation can also control size, the position of vacuole
It puts, number.In addition, the dynamic behavior for the vacuole that the experimental provision generates and the basic phase of vacuole occurred in practical engineering application
Seemingly, and without introducing very big local energy, therefore the vacuole being highly suitable as in research practical engineering application is warm nearby
The experimental provision of exchange.
Meanwhile the experimental provision is simple in structure, is ensureing except the controllable vacuole of generation size, position, number, further
Realize similar to the dynamic behavior of the vacuole in practical engineering application, and the component costs used are relatively low, good economy performance,
It is convenient to expand other functions for different goals in research.
It preferably, can embodiment as one kind；In the step 2：It is described according to experiment needs, to the vacuole position
The bottom processing pit of control-rod 8 is put, is specifically comprised the following steps：
A pit or multiple pits are processed in the bottom of several vacuole position control-rods 8；And the vacuole
The dimple size of 8 bottom of position control-rod, number, position are different；According to experiment needs, select one meet it is described
Dimple size, number, the vacuole position control-rod 8 that position needs carry out subsequent experiment.
It should be noted that the vacuole position control-rod 8 by selecting different situation pits, so as to it is above-mentioned not
Same parameter is tested, and can so be directly changed the primary condition of vacuole generation, and then control and obtain different skies
Size, position, the number of bubble；The controllable simulated experiment of different vacuoles can be realized by the experiment.
In addition, in simulated experiment, influence vacuole and generate the initial experiment condition to be formed to further include；Adjustable limiting platform
4 with fixed 5 distance parameter of limiting platform (such as：Adjustable limiting platform 4 and 5 distance of fixed limiting platform, can be according to experiment
Need carry out parameter setting), be filled with liquid working substance type；Distance compressed downwards implemented by adjusting screw rod 11 etc., even
It is coefficient of elasticity of spring 7 etc.；These can all influence the generation of vacuole experiment；So above-mentioned data can be according to experiment needs
It is adjusted and changes, this utility model embodiment is no longer repeated one by one；
What the utility model embodiment provided facilitates easy-to-use controllable vacuole visual experimental apparatus at least to have such as lower section
The technical advantage in face：
What the first, the utility model embodiment provided facilitates easy-to-use controllable vacuole visual experimental apparatus, simple in structure,
Reasonable design employs the vacuole producing method of completely new punching press impacting type；The experimental provision is truly from device simultaneously
The controllable and Parameters variation of a variety of conditions is structurally realized, and the vacuole for finally influencing to simulate under different condition generates；On
Experimental provision is stated, is operated more convenient, more directly (no local energy inputs vacuole producing method, producible vacuole
Dynamic behavior and the vacuole occurred in practical engineering application are substantially similar), and it is quick, it can be adapted for various working, it is more
Kind liquid implements experiment, while it is visualized, the better observation experiment phenomenon of person easy to operation.
What the 2nd, the utility model embodiment provided facilitates easy-to-use controllable vacuole visual experimental apparatus, good economy performance,
As a result brief practicality is designed, it is at low cost, it is widely used to promote suitable for each big-and-middle universities and colleges.
What the 3rd, the utility model embodiment provided facilitates easy-to-use controllable vacuole visual experimental apparatus, experimental method
It belongs to a kind of completely new vacuole producing method, and vacuole producing method is controllable, and operating method is perspective with originality and technology,
More fully reliable experiment method is provided for cavitation phenomena.
It is provided by the utility model to facilitate easy-to-use controllable vacuole visualization real based on above many significant technical advantages
Experiment device will bring good market prospects and economic benefit.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, those of ordinary skill in the art should
Understand：It can still modify to the technical solution recorded in foregoing embodiments either to which part or whole
Technical characteristic carries out equivalent replacement；And these modifications or replacement, this practicality that it does not separate the essence of the corresponding technical solution are new
The range of each embodiment technical solution of type.
Claims (8)
1. a kind of facilitate easy-to-use controllable vacuole visual experimental apparatus, which is characterized in that including what is set gradually from top to bottom
Adjustable limiting platform, mobile platform, fixed limiting platform；
It is described that easy-to-use controllable vacuole visual experimental apparatus is facilitated to further include connecting tube, organic glass box, spring conductor rod, bullet
Spring, measurement sensor, adjustable limiting platform supporting rod, adjusting screw rod, adjusts clamper, limiting dress at vacuole position control-rod
It puts and trigger device；
The fixed limiting platform is connect by the adjustable limiting platform supporting rod with the adjustable limiting platform；It is described
The bottom end of adjustable limiting platform supporting rod is fixedly connected with the fixed limiting platform, the adjustable limiting platform supporting rod
Top be fixedly connected with the adjustable limiting platform；
The mobile platform is moved with the fixed limiting platform by the spring conductor rod and connect；The adjusting screw rod is set
It puts at the top of the mobile platform；The adjusting screw rod be used for the mobile platform relatively described adjustable limiting platform away from
From movement is adjusted；
The limiting device is set between the adjustable limiting platform and the mobile platform；The limiting device is used to perform
During locking, position carries out limitation locking action after being moved to the mobile platform；The limiting device is additionally operable to unlocking
When, lock out action carries out releasing action after being moved to the mobile platform；
The connecting tube sequentially passes through the mobile platform and the organic glass box from top to bottom；The top of the connecting tube with
The mobile platform connection, the bottom end of the connecting tube connects and seals with the organic glass box, and the measurement sensor
It connects and seals with the organic glass box；
The top of vacuole position control-rod is fixedly connected by the adjusting clamper with the adjustable limiting platform, institute
The organic glass box is stretched into and there are spacing distances with the organic glass cassette bottom portion in the bottom for stating vacuole position control-rod；Institute
The bottom for stating vacuole position control-rod is provided with pit.
2. facilitate easy-to-use controllable vacuole visual experimental apparatus as described in claim 1, which is characterized in that
The quantity of the spring conductor rod is specially four, and the quantity of the spring is also specially four；Each spring
It corresponds and is socketed on the spring conductor rod；And four spring conductor rods are spaced apart and are arranged on the movement and put down
At the bottom surrounding of platform.
3. facilitate easy-to-use controllable vacuole visual experimental apparatus as claimed in claim 2, which is characterized in that
The bottom of the mobile platform is also set up there are four through-hole；Four through-holes of the mobile platform distinguish four springs
Guide rod position corresponds to.
4. facilitate easy-to-use controllable vacuole visual experimental apparatus as claimed in claim 3, which is characterized in that
The quantity of the adjustable limiting platform supporting rod is specially four；Four adjustable limiting platform supporting rod difference
It is disposed at the bottom surrounding of the fixed limiting platform.
5. facilitate easy-to-use controllable vacuole visual experimental apparatus as described in claim 1, which is characterized in that
The quantity of the pit of the bottom of vacuole position control-rod is one or multiple.
6. facilitate easy-to-use controllable vacuole visual experimental apparatus as described in claim 1, which is characterized in that
Multiple evenly distributed bottoms for being arranged on vacuole position control-rod of the pit.
7. facilitate easy-to-use controllable vacuole visual experimental apparatus as claimed in claim 6, which is characterized in that
The shape of the pit of the bottom of vacuole position control-rod is spherical cambered surface shape.
8. facilitate easy-to-use controllable vacuole visual experimental apparatus as claimed in claim 6, which is characterized in that
The depth dimensions of the pit of the bottom of vacuole position control-rod and the diameter ruler of vacuole position control-rod
It is very little to be adapted.
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| CN201721611299.XU CN207557077U (en) | 2017-11-27 | 2017-11-27 | Facilitate easy-to-use controllable vacuole visual experimental apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107782663A (en) * | 2017-11-27 | 2018-03-09 | 清华大学 | Facilitate easy-to-use controllable vacuole visual experimental apparatus and experimental method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107782663A (en) * | 2017-11-27 | 2018-03-09 | 清华大学 | Facilitate easy-to-use controllable vacuole visual experimental apparatus and experimental method |
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