CN209230915U - A kind of water hole test device - Google Patents
A kind of water hole test device Download PDFInfo
- Publication number
- CN209230915U CN209230915U CN201821934617.0U CN201821934617U CN209230915U CN 209230915 U CN209230915 U CN 209230915U CN 201821934617 U CN201821934617 U CN 201821934617U CN 209230915 U CN209230915 U CN 209230915U
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- China
- Prior art keywords
- water hole
- hole test
- pipeline
- water
- digital display
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Abstract
The utility model provides a kind of water hole test device, including pipeline, circulating line, data acquisition control system are tested in water hole；The water hole test pipeline is the hollow straight tube that both ends are gradually reduced, and both ends are connected to the circuit for constituting closure with circulating line；Digital display annular dynamometer is arranged in the front inner wall of the water hole test pipeline, and digital display annular dynamometer caudal is connect by silk thread with tested building model body；The tested building model body is rolled by the inner wall that pipeline is tested in cross positioning device and water hole and is connected；The circulating line is equipped with water pump, and digital display annular dynamometer, water pump are connect by route with acquisition control device, constitutes data acquisition control system.The utility model proposes a kind of water hole test devices, have structure simple, the easy advantage of data acquisition.
Description
Technical field
The utility model relates to water hole testing research technical field, in particular to a kind of water hole test device.
Background technique
Three kinds of analysis of hydrodynamics research theory, Physical Experiment research, number crunching methods, wherein Physical Experiment is ground
Study carefully particularly important, it provides foundation and physical index empirical data for theory analysis, while also providing for numerical simulation necessary
Physical index constant.In hydraulics, river dynamics and ocean dynamics, needs to study flow around body resistance coefficient or stream
Characteristic rule, and water hole has important researching value and meaning to flow around body resistance coefficient and Characteristics of Flow Around rule.
Water hole is streaming the resistance of object to test water flow and seeking the hydrodynamics reality of calculation resistance coefficient for a closure
Research device is tested, traditional water hole research model need to be established on the basis of the water pump of big power and large-scale water storage reservoir, and one
As R&D institution be unbearable and bear the costs expense such as its water power.Design a kind of features simple structure, the test of visualization water hole
Device has great importance.
Utility model content
The utility model proposes a kind of water hole test devices, have structure simple, the easy advantage of data acquisition.
To realize above-mentioned technical purpose and the technique effect, the utility model solves by the following technical programs
State problem:
Pipeline, circulating line, data acquisition control system are tested in a kind of water hole test device, including water hole；The water hole
Test pipeline is the hollow straight tube that both ends are gradually reduced, and both ends are connected to the circuit for constituting closure with circulating line；The water hole is surveyed
Digital display annular dynamometer is arranged in the front inner wall in test tube road, and digital display annular dynamometer caudal passes through silk thread and tested building mould
The connection of type body；The tested building model body is rolled by the inner wall that pipeline is tested in cross positioning device and water hole and is connected；
The circulating line is equipped with water pump, and digital display annular dynamometer, water pump are connect by route with acquisition control device, constitutes data
Acquisition control system.
In above scheme, pipeline is tested in water hole, circulating line constitutes a closure water flow circuits, is tested building model
Body is connect by silk thread with digital display annular dynamometer caudal, and is slidably coupled to water hole by cross positioning device and is tested pipeline
Inner wall.By the flow rate of water flow in the testing pump closed circuit that is set in circulating line when operation, water flow flows through tested
The water flow generated when building model body streams resistance, and digital signal can be converted by digital display annular dynamometer and feeds back to acquisition control
Device processed obtains the experimental data for water hole research, is conducive to going on smoothly for scientific research.
Certain distance is kept to make tested building model body and water hole test pipeline, and keeps tested building mould
The equilibrium state of type body.The cross positioning device includes four steel needles being threadedly coupled with tested building model body, steel
Circumferentially equidistantly distributed constitutes cross-shaped structure to needle, and the top of steel needle is connect with ball, inside ball and water hole test pipeline
It is in rolling contact.
Influence of the pipeline to tested building model body is tested to further avoid water hole, the ball uses universal rolling
Pearl.
For the complexity for improving pipeline condition, fluid mobility status in complicated water hole environment is preferably simulated.It is described
Circulating line is formed by connecting by the tube body of multiple and different calibers, and pipe connecting piece and sealing element is arranged in pipeline junction.
For the balance for guaranteeing tested building model body, the measurement stability of digital display annular dynamometer is improved.The silk
At least four, line, gap setting is between digital display annular dynamometer and tested building model body.
Further, the water pump is one-way water pump, and water (flow) direction is by being equipped with digital display ring in water hole test pipeline in device
It is directed toward the other end in one end of shape dynamometer.
The advantages of the utility model, is with effect:
1, the water hole that device is gradually reduced by both ends is tested pipeline, is followed by what the tube body of multiple and different calibers was formed by connecting
Endless tube road constitutes the fluid circuit of closure, and controls fluid flow rate by water pump, can simply and rapidly construct a water hole environment
Model, duct length and pipe diameter can be adjusted according to the environment in laboratory has well adapting to property and operability.
2, it is tested building model body to connect by silk thread with the digital display annular dynamometer for being fixed on tube wall, fluid flows through
The building model that tested building model body generates streams resistance, can feed back to acquisition control by digital display annular dynamometer
Device, and by program calculation and draw stream resistance coefficient, the relationship between water flow Reynolds number of streaming resistance coefficient.
3, it is tested building model body and preferable equilibrium state can be kept by cross positioning device, can make to be tested
Building model body can be slided steadily on the central axes of water hole by when water impact active force, make link model body and digital display annular
The silk thread of dynamometer keeps straightened condition, help to obtain exact numerical.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of water hole test device；
Fig. 2 is the cross-sectional view of the line A-A along Fig. 1.
Figure number mark: 1, pipeline is tested in water hole, 2, circulating line, 3, digital display annular dynamometer, 4, silk thread, and 5, tested build
Build object model, 6, cross positioning device, 61, steel needle, 62, ball, 7, water pump, 8, acquisition control device.
Specific embodiment
The utility model is described in further detail with reference to embodiments, but the utility model is not limited to these implementations
Example.
A kind of water hole test device described in the present embodiment as shown in Fig. 1, including is tested pipeline 1 by water hole and is recycled
Pipeline 2 constitutes the circuit of closure, and water hole test pipeline 1 is the hollow straight tube that both ends are gradually reduced, and both ends and circulating line 2 connect
It is logical.Circulating line 2 is the hollow bending type pipeline being formed by connecting by the tube body of multiple and different calibers, and the tube body of different tube diameters passes through
Pipe connecting piece, sealing element are sequentially connected, when necessary using the appearance further encapsulation process of sealing technique.
As shown in Fig. 1, be tested building model body 5 be placed in water hole test pipeline 1 in, side by silk thread 4 with
The digital display annular dynamometer 3 for being fixed on water hole test 1 front inner wall of pipeline connects, and building model body 5 is tested in embodiment
Four sides midpoint are respectively drawn a silk thread 4 and are connect with digital display annular dynamometer 3, reach balance convenient for tested building model body 5
State.
As shown in Fig. 2, pipeline 1 is tested to avoid tested building model body 5 from hitting water hole under flow action
Inner wall guarantees that tested building model body 5 is located on the central axes of water hole test pipeline 1, be tested building model body 5 and
Cross positioning device 6 is provided between water hole test pipeline 1.
Cross positioning device 6 includes four steel needles 61 being threadedly coupled with tested building model body 5,61 edge of steel needle
Circumference equidistantly distributed constitutes cross-shaped structure, and being threadedly coupled length can be adjusted according to pipe diameter.The top of steel needle 61 and rolling
Pearl 62 is affixed, and ball 62 uses Universal caster, contacts with water hole test 1 roll inside of pipeline.
As shown in Fig. 1, circulating line 2 is equipped with one-way water pump 7, and water (flow) direction is by water hole test pipeline 1 in device
It is directed toward the other end in one end equipped with digital display annular dynamometer 3.Water pump 7, digital display annular dynamometer 3, water pump 7 pass through route in device
It is connect with acquisition control device 8, constitutes data acquisition control system.
The working principle of the present embodiment are as follows:
The water velocity in closure water flow circuits is controlled by water pump 7, flow action is produced in tested building model body 5
Unboiled water stream streams resistance, is converted into digital signal by digital display annular dynamometer and feeds back to acquisition control device, can to data into
Row real-time monitoring after acquisition control device is arranged data, can draw corresponding graph.
The embodiments of the present invention is described in detail in conjunction with attached drawing above, but the utility model be not limited to it is described
Embodiment.Do not depart from the principles of the present invention and spirit in the case where to these embodiments carry out it is a variety of variation,
Modification, replacement and variant are still fallen in the protection scope of the utility model.
Claims (6)
1. a kind of water hole test device, it is characterised in that: including water hole test pipeline (1), circulating line (2), data acquisition control
System processed；Water hole test pipeline (1) is the hollow straight tube that both ends are gradually reduced, and both ends are connected to composition with circulating line (2)
The circuit of closure；Digital display annular dynamometer (3) are arranged in the front inner wall of water hole test pipeline (1), digital display annular dynamometer
(3) caudal is connect by silk thread (4) with tested building model body (5)；
The tested building model body (5) is rolled by the inner wall of cross positioning device (6) and water hole test pipeline (1) to be connected
It connects；The circulating line (2) is equipped with water pump (7), and digital display annular dynamometer (3), water pump (7) are filled by route and acquisition control
(8) connection is set, data acquisition control system is constituted.
2. a kind of water hole test device according to claim 1, it is characterised in that: the cross positioning device (6) includes
Four steel needles (61) being threadedly coupled with tested building model body (5), circumferentially equidistantly distributed constitutes ten to steel needle (61)
The top of character form structure, steel needle (61) is connect with ball (62), and ball (62) is contacted with water hole test pipeline (1) roll inside.
3. a kind of water hole test device according to claim 2, it is characterised in that: the ball (62) uses universal rolling
Pearl.
4. a kind of water hole test device according to claim 1, it is characterised in that: the circulating line (2) by it is multiple not
Tube body with caliber is formed by connecting, and pipe connecting piece and sealing element is arranged in pipeline junction.
5. a kind of water hole test device according to claim 1, it is characterised in that: the silk thread (4) at least four, gap
It is set between digital display annular dynamometer (3) and tested building model body (5).
6. a kind of water hole test device described in any one according to claim 1~5, it is characterised in that: the water pump (7) is
One-way water pump, water (flow) direction is directed toward another by the one end for being equipped with digital display annular dynamometer (3) in water hole test pipeline (1) in device
End.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821934617.0U CN209230915U (en) | 2018-11-22 | 2018-11-22 | A kind of water hole test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821934617.0U CN209230915U (en) | 2018-11-22 | 2018-11-22 | A kind of water hole test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209230915U true CN209230915U (en) | 2019-08-09 |
Family
ID=67504091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821934617.0U Expired - Fee Related CN209230915U (en) | 2018-11-22 | 2018-11-22 | A kind of water hole test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209230915U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112798225A (en) * | 2021-01-21 | 2021-05-14 | 中国人民解放军海军工程大学 | Vertical tandem double-test-section cavity water tunnel test device |
| CN112924139A (en) * | 2021-03-30 | 2021-06-08 | 沈阳农业大学 | Resistance testing device for small-sized water tunnel sample piece |
-
2018
- 2018-11-22 CN CN201821934617.0U patent/CN209230915U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112798225A (en) * | 2021-01-21 | 2021-05-14 | 中国人民解放军海军工程大学 | Vertical tandem double-test-section cavity water tunnel test device |
| CN112798225B (en) * | 2021-01-21 | 2023-09-05 | 中国人民解放军海军工程大学 | Vertical tandem double-test section cavitation water hole test device |
| CN112924139A (en) * | 2021-03-30 | 2021-06-08 | 沈阳农业大学 | Resistance testing device for small-sized water tunnel sample piece |
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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: 20190809 Termination date: 20201122 |