CN113155722A - Simulated dynamic rain erosion testing machine - Google Patents
Simulated dynamic rain erosion testing machine Download PDFInfo
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- CN113155722A CN113155722A CN202110454665.XA CN202110454665A CN113155722A CN 113155722 A CN113155722 A CN 113155722A CN 202110454665 A CN202110454665 A CN 202110454665A CN 113155722 A CN113155722 A CN 113155722A
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- shell
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- 230000003628 erosive effect Effects 0.000 title claims abstract description 43
- 238000012360 testing method Methods 0.000 title claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000007921 spray Substances 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000004088 simulation Methods 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 5
- 238000011161 development Methods 0.000 claims description 3
- 230000018109 developmental process Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 238000005507 spraying Methods 0.000 abstract description 3
- 239000004566 building material Substances 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/006—Investigating resistance of materials to the weather, to corrosion, or to light of metals
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- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental & Geological Engineering (AREA)
- Environmental Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses a simulated dynamic rain erosion testing machine, which relates to the technical field of simulated testing devices and comprises a base, wherein the top of the base is connected with a shell through a support column, the inner top of the shell is fixedly provided with a plurality of spray heads, the inner bottom of the shell is provided with a support frame, the outer side wall of one side of the shell is fixedly connected with a controller, one side of the shell is provided with two openable sealing door plates, one side of the shell, which is far away from the controller, is fixedly connected with a support plate, and the top of the support plate is fixedly connected with a water pump. In the invention, rainwater is added into the containing container, the water pump pumps the rainwater into the spray head, the spray head continuously sprays the rainwater onto the detected object placed on the support frame to simulate real rainfall, and the detected object can be contacted with air in the process of spraying the rainwater on the detected object, so that the simulation degree is high, and the technical problem that the existing rain erosion test is inaccurate is solved.
Description
Technical Field
The invention relates to the technical field of simulation test devices, in particular to a simulated dynamic rain erosion testing machine.
Background
The rainwater means that water vapor in the sky is condensed into water drops and falls on the ground after meeting cold air. The rainwater can carry dust and some harmful gases in the air in the process of falling to the ground, and the rainwater mixed with the dust and the harmful gases has certain corrosivity and can corrode objects on the ground.
Some building materials or metal materials are usually required to be subjected to a rain erosion test before being used, but in the existing rain erosion test, the building materials or the metals are usually put into a container containing rainwater, so that the building materials or the metals are completely soaked in the rainwater, and after the building materials or the metals are soaked for a period of time, the soaked building materials or the metal materials are detected, so that rain erosion data of the rainwater on the building materials or the metal materials are obtained.
Therefore, a simulated dynamic rain erosion testing machine is proposed to solve the above problems.
Disclosure of Invention
The invention provides a simulated dynamic rain erosion testing machine, which solves the technical problem that the existing rain erosion test is inaccurate.
In order to solve the technical problems, the invention provides a simulated dynamic rain erosion testing machine, which comprises a base, wherein the top of the base is connected with a shell through a support column, the inner top of the shell is fixedly provided with a plurality of spray nozzles, the inner bottom of the shell is provided with a support frame, the outer side wall of one side of the shell is fixedly connected with a controller, one side of the shell is provided with two openable sealing door plates, one side of the shell, which is far away from the controller, is fixedly connected with a support plate, the top of the support plate is fixedly connected with a water pump, the water pump is electrically connected with the controller, the bottom of the support plate is fixedly connected with a containing container, the input end of the water pump is fixedly connected with a water inlet pipe, one end of the water inlet pipe penetrates through the support plate and extends into the containing container, the output end of the water pump is connected with the plurality of spray nozzles through a conveying pipe, and the top of the support plate is fixedly connected with a liquid adding funnel, the bottom of liquid feeding funnel runs through the backup pad and extends to holding the container in, the drain pipe is installed to the bottom of casing, the both sides top lateral wall of casing fixedly connected with air-supply line respectively with go out the tuber pipe.
Preferably, the temperature module is installed to the inside wall of casing, be connected electrically between temperature module and the controller, the temperature module is temperature sensor.
Preferably, the heater is installed on the inner top of the shell.
Preferably, a fluorescent lamp is installed at the inner top of the shell and electrically connected with the controller.
Preferably, the bottom of one end of the supporting plate far away from the shell is connected with the top of the base through a supporting rod.
Preferably, the bottom of the containing container is fixedly connected with a driving motor, the driving motor is electrically connected with the controller, and an output shaft of the driving motor penetrates through the containing container and is fixedly connected with a stirring rod.
Preferably, a liquid level sensor is arranged on the inner side wall of the bottom of the containing container.
Preferably, the inside wall of air-supply line and the inside wall of air-out pipe all install the extraction fan, the electricity is connected between extraction fan and the controller.
Preferably, a viewing window is arranged on one of the sealing door panels.
Compared with the related art, the simulated dynamic rain erosion testing machine provided by the invention has the following beneficial effects:
1. the invention provides a simulated dynamic rain erosion testing machine, which is characterized in that rainwater is added into a containing container, a water pump pumps the rainwater into a spray head, the spray head continuously sprays the rainwater onto a detected object placed on a support frame to simulate real rainfall, the detected object can be contacted with air in the process of spraying the rainwater on the detected object, the simulation degree is high, and the technical problem that the existing rain erosion test is inaccurate is solved.
2. The invention provides a simulated dynamic rain erosion testing machine, which utilizes a fluorescent lamp, a heater and a temperature sensor arranged in a shell, can adjust the temperature in the shell according to the actual experiment requirement, imitates different corrosion conditions of rainwater on a detected object under different illumination degrees, and has better applicability than the existing rain erosion detecting device.
3. The invention provides a simulated dynamic rain erosion testing machine, which is characterized in that a driving motor is arranged at the bottom of a containing container, and a stirring rod arranged at the bottom in the containing container is driven to rotate through the rotation of the driving motor, so that substances in rainwater are prevented from precipitating, and the experimental error of the simulated dynamic rain erosion testing machine is reduced.
Drawings
FIG. 1 is a schematic structural diagram of a simulated dynamic rain erosion testing machine;
FIG. 2 is a schematic diagram of an internal structure of a simulated dynamic rain erosion testing machine;
FIG. 3 is a plan view structural water intention of a simulated dynamic rain erosion testing machine;
FIG. 4 is a water intention of a back-view structure of a simulated dynamic rain erosion testing machine;
FIG. 5 is a left view structural water intention of a simulated dynamic rain erosion testing machine;
fig. 6 is a schematic view of a connection structure between an air inlet pipe and an exhaust fan in a simulated dynamic rain erosion testing machine.
Reference numbers in the figures: 1. a base; 2. a support pillar; 3. a housing; 4. a support plate; 5. a support bar; 6. a holding container; 7. a drive motor; 8. a stirring rod; 9. a liquid adding funnel; 10. a liquid level sensor; 11. a water inlet pipe; 12. a water pump; 13. a delivery pipe; 14. an observation window; 15. a spray head; 16. a fluorescent lamp; 17. a controller; 18. an air outlet pipe; 19. an air inlet pipe; 20. a temperature module; 21. a support frame; 22. a drain pipe; 23. an exhaust fan; 24. and sealing the door panel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
As shown in figures 1-6, a simulated dynamic rain erosion testing machine comprises a base 1, the top of the base 1 is connected with a shell 3 through a support column 2, the inner top of the shell 3 is fixedly provided with a plurality of spray nozzles 15, the inner bottom of the shell 3 is provided with a support frame 21, the outer side wall of one side of the shell 3 is fixedly connected with a controller 17, one side of the shell 3 is provided with two openable sealing door panels 24, one side of the shell 3 away from the controller 17 is fixedly connected with a support plate 4, the top of the support plate 4 is fixedly connected with a water pump 12, the water pump 12 is electrically connected with the controller 17, the bottom of the support plate 4 is fixedly connected with a containing container 6, the input end of the water pump 12 is fixedly connected with a water inlet pipe 11, one end of the water inlet pipe 11 penetrates through the support plate 4 and extends into the containing container 6, the output end of the water pump 12 is connected with the spray nozzles 15 through a conveying pipe 13, the top of the support plate 4 is fixedly connected with a liquid adding funnel 9, the bottom of the liquid adding funnel 9 penetrates through the support plate 4 and extends into the container 6, the bottom of the shell 3 is provided with a drain pipe 22, and the outer side walls of the tops of the two sides of the shell 3 are respectively and fixedly connected with an air inlet pipe 19 and an air outlet pipe 18.
The function of the spray head 15 is to spray rain water on the detected object placed on the support frame 21, simulating a real rainy environment.
The controller 17 is used for controlling the operation of the water pump 12 and the pumping fan 23, and also receiving the detection data of the liquid level sensor 10 installed in the container 6.
The water pump 12 is used for conveying rainwater in the containing container 6 into the spray head 15, so that a real rainy environment can be simulated, and the accuracy of the rain erosion testing machine is improved.
It should be noted that the drain pipe 22 is provided with a control valve, and when the control valve on the drain pipe 22 is closed, the situation that the detected object is soaked by rainwater can be simulated.
A liquid level sensor 10 is arranged on the inner side wall of the bottom of the containing container 6.
The inner side wall of the air inlet pipe 19 and the inner side wall of the air outlet pipe 18 are both provided with an exhaust fan 23, and the exhaust fan 23 is electrically connected with the controller 17.
The function of the exhaust fan 23 is to facilitate simulating the scene of wind and rain, and improve the simulation degree of the rain erosion testing machine.
One of the sealing door panels 24 is provided with a viewing window 14.
The purpose of the observation window 14 is to facilitate observation of the rain inside the casing 3.
The bottom of one end of the supporting plate 4 far away from the shell 3 is connected with the top of the base 1 through a supporting rod 5.
The support rod 5 is used for supporting the support plate 4, and the stability of the support plate 4 fixed on the shell 3 is improved.
Example two
In the first embodiment, the temperature module 20 is mounted on the inner side wall of the housing 3, the temperature module 20 is electrically connected to the controller 17, and the temperature module 20 is a temperature sensor.
The temperature module 20 is used for monitoring the temperature in the housing 3 in real time, so that the temperature in the housing 3 can be heated by the heater as required, and the situation of raining in a high-temperature environment can be simulated conveniently.
The fluorescent lamp 16 is installed on the inner top of the shell 3, the fluorescent lamp 16 is electrically connected with the controller 17, and the simulation degree of the rain erosion testing machine is improved.
It should be noted that the brightness of the fluorescent lamp 16 can be adjusted, so as to facilitate simulating rainy days under different illumination situations, and improve the simulation degree of the rain erosion testing machine.
A heater is installed at the inner top of the housing 3.
Example two
On the basis of the first embodiment and the second embodiment, the bottom of the containing container 6 is fixedly connected with a driving motor 7, the driving motor 7 is electrically connected with a controller 17, and an output shaft of the driving motor 7 penetrates through the containing container 6 and is fixedly connected with a stirring rod 8.
Utilize and install driving motor 7 in the bottom that holds container 6, rotate through driving motor 7 and drive the puddler 8 that sets up bottom in holding container 6 and rotate, avoid the material in the rainwater to take place to precipitate, reduced the experimental error of emulation developments rain erosion testing machine.
The working principle is as follows:
when using this emulation developments rain erosion testing machine to carry out the rain erosion experiment to being detected the object, put into the inside that holds container 6 with the rainwater sample, will be detected the object and put into on support frame 21, close sealing door board 24, utilize controller 17 control water pump 12 and driving motor 7 operation, the inside that shower nozzle 15 was carried to the rainwater that water pump 12 operation will hold in the container 6, imitate real rainy environment, the rainwater sprays on being detected the object, corrode being detected the object, at the in-process of experiment, can also control the speed of spraying the rainwater through water pump 12, improve the fidelity of this rain erosion testing machine, reduce experimental error, in addition, can also open heater and fluorescent lamp 16 as required, imitate the rainy day under the different temperature and the different light intensity circumstances, improve the precision that this rain erosion testing machine detected.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a simulation developments rain erosion testing machine, includes base (1), its characterized in that: the top of the base (1) is connected with a shell (3) through a support column (2), the inner top of the shell (3) is fixedly provided with a plurality of spray heads (15), the inner bottom of the shell (3) is provided with a support frame (21), the outer side wall of one side of the shell (3) is fixedly connected with a controller (17), one side of the shell (3) is provided with two openable sealing door panels (24), one side of the shell (3) far away from the controller (17) is fixedly connected with a support plate (4), the top of the support plate (4) is fixedly connected with a water pump (12), the water pump (12) is electrically connected with the controller (17), the bottom of the support plate (4) is fixedly connected with a containing container (6), the input end of the water pump (12) is fixedly connected with a water inlet pipe (11), one end of the water inlet pipe (11) penetrates through the support plate (4) and, the output of water pump (12) passes through conveyer pipe (13) and is connected with a plurality of shower nozzle (15), top fixedly connected with liquid feeding funnel (9) of backup pad (4), the bottom of liquid feeding funnel (9) runs through backup pad (4) and extends to holding container (6) in, drain pipe (22) are installed to the bottom of casing (3), the both sides top lateral wall of casing (3) is fixedly connected with air-supply line (19) and play tuber pipe (18) respectively.
2. The simulated dynamic rain erosion testing machine according to claim 1, wherein a temperature module (20) is mounted on the inner side wall of the housing (3), the temperature module (20) is electrically connected with the controller (17), and the temperature module (20) is a temperature sensor.
3. The simulated dynamic rain erosion testing machine according to claim 1, wherein a fluorescent lamp (16) is installed on the inner top of the shell (3), and the fluorescent lamp (16) is electrically connected with the controller (17).
4. The simulated dynamic rain erosion testing machine according to claim 1, wherein the bottom of one end of the supporting plate (4) far away from the shell (3) is connected with the top of the base (1) through a supporting rod (5).
5. The simulated dynamic rain erosion testing machine according to claim 1, wherein a driving motor (7) is fixedly connected to the bottom of the holding container (6), the driving motor (7) is electrically connected with a controller (17), and an output shaft of the driving motor (7) penetrates through the holding container (6) and is fixedly connected with a stirring rod (8).
6. The simulated dynamic rain erosion testing machine according to claim 1, wherein a liquid level sensor (10) is mounted on the inner side wall of the bottom of the containing container (6).
7. The simulated dynamic rain erosion testing machine according to claim 1, wherein the inner side wall of the air inlet pipe (19) and the inner side wall of the air outlet pipe (18) are both provided with an air suction fan (23), and the air suction fan (23) is electrically connected with the controller (17).
8. The simulated dynamic rain erosion testing machine according to claim 1, wherein one of the sealing door panels (24) is provided with a viewing window (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110454665.XA CN113155722A (en) | 2021-04-26 | 2021-04-26 | Simulated dynamic rain erosion testing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110454665.XA CN113155722A (en) | 2021-04-26 | 2021-04-26 | Simulated dynamic rain erosion testing machine |
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| CN113155722A true CN113155722A (en) | 2021-07-23 |
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| CN202110454665.XA Pending CN113155722A (en) | 2021-04-26 | 2021-04-26 | Simulated dynamic rain erosion testing machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114441430A (en) * | 2022-02-24 | 2022-05-06 | 常州合欣达旭新能源科技发展有限公司 | Simulated rain erosion test rotating device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204214757U (en) * | 2014-12-09 | 2015-03-18 | 中国包装科研测试中心 | There is wind regime salt fog test system |
| US20160363505A1 (en) * | 2015-06-12 | 2016-12-15 | The Boeing Company | Wind tunnel for erosion testing |
| CN108181160A (en) * | 2017-12-29 | 2018-06-19 | 重庆广播电视大学 | A kind of device for testing working performance of concrete |
| CN110044805A (en) * | 2019-05-13 | 2019-07-23 | 湖北高天试验设备有限公司 | A kind of rain test chamber |
| CN110702596A (en) * | 2019-10-24 | 2020-01-17 | 河海大学 | Multi-field coupling erosion simulation box and method for asphalt mixture |
| JP2020030151A (en) * | 2018-08-24 | 2020-02-27 | スガ試験機株式会社 | Weather resistance test machine |
| CN211402077U (en) * | 2019-11-27 | 2020-09-01 | 长安大学 | Acid rain corrosion simulation test device |
| CN212059841U (en) * | 2020-04-30 | 2020-12-01 | 常州合欣达旭新能源科技发展有限公司 | Outdoor wind power blade rainwater erosion testing device |
-
2021
- 2021-04-26 CN CN202110454665.XA patent/CN113155722A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204214757U (en) * | 2014-12-09 | 2015-03-18 | 中国包装科研测试中心 | There is wind regime salt fog test system |
| US20160363505A1 (en) * | 2015-06-12 | 2016-12-15 | The Boeing Company | Wind tunnel for erosion testing |
| CN108181160A (en) * | 2017-12-29 | 2018-06-19 | 重庆广播电视大学 | A kind of device for testing working performance of concrete |
| JP2020030151A (en) * | 2018-08-24 | 2020-02-27 | スガ試験機株式会社 | Weather resistance test machine |
| CN110044805A (en) * | 2019-05-13 | 2019-07-23 | 湖北高天试验设备有限公司 | A kind of rain test chamber |
| CN110702596A (en) * | 2019-10-24 | 2020-01-17 | 河海大学 | Multi-field coupling erosion simulation box and method for asphalt mixture |
| CN211402077U (en) * | 2019-11-27 | 2020-09-01 | 长安大学 | Acid rain corrosion simulation test device |
| CN212059841U (en) * | 2020-04-30 | 2020-12-01 | 常州合欣达旭新能源科技发展有限公司 | Outdoor wind power blade rainwater erosion testing device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114441430A (en) * | 2022-02-24 | 2022-05-06 | 常州合欣达旭新能源科技发展有限公司 | Simulated rain erosion test rotating device |
| CN114441430B (en) * | 2022-02-24 | 2024-04-05 | 常州合欣达旭新能源科技发展有限公司 | Rain erosion simulation test rotating device |
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Application publication date: 20210723 |
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