CN116615643A - Sampling equipment for marine water quality survey - Google Patents
Sampling equipment for marine water quality survey Download PDFInfo
- Publication number
- CN116615643A CN116615643A CN202080107242.4A CN202080107242A CN116615643A CN 116615643 A CN116615643 A CN 116615643A CN 202080107242 A CN202080107242 A CN 202080107242A CN 116615643 A CN116615643 A CN 116615643A
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- water
- fixed mounting
- box
- gear
- wall
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 112
- 238000005070 sampling Methods 0.000 title claims abstract description 32
- 239000002023 wood Substances 0.000 claims description 3
- 239000013535 sea water Substances 0.000 description 9
- 238000001514 detection method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/16—Devices for withdrawing samples in the liquid or fluent state with provision for intake at several levels
Abstract
The utility model provides a marine water surveys and uses sampling equipment, belong to the marine environment field, including end box (1), the top fixed mounting box body (4) of end box (1), the top fixed mounting of box body (4) has two fixed columns (2), the top fixed mounting of box body (4) has box (3), fixed mounting has diaphragm (5) on the inner wall of box (3), rotate on the inner wall of end box (1) and install axis of rotation (6), slidable mounting has spliced pole (7) on end box (1), the bottom fixed mounting of spliced pole (7) has water tank (8), fixed mounting has filter (9) on the inner wall of water tank (8). This marine water surveys and uses sampling equipment simple structure can take a sample to the water of different water level sections, has improved the practicality.
Description
The invention relates to the field of marine environments, in particular to sampling equipment for marine water quality survey.
Along with the development of economy, water resources in various places face serious pollution problems, particularly the water environment pollution problems are showing the trend of region enlargement, pollution diversity and severity, and environmental protection departments need to periodically detect water quality of dams, lakes and the like.
The existing water quality sampling and detecting device is complex in structure, and can only sample water sections one by one when sampling different water levels, so that the sampling time is long, the efficiency is low, and the requirements of people are not met.
Disclosure of Invention
The invention aims to solve the defects that the existing water quality sampling and detecting device is complex in structure, and can only sample water level sections one by one when sampling different water levels, and the sampling time is long, the efficiency is low, and the requirements of people cannot be met.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a marine water surveys and uses sampling equipment, includes end box, the top fixed mounting box body of end box, the top fixed mounting of box body has two fixed columns, the top fixed mounting of box body has the box, fixed mounting has the diaphragm on the inner wall of box, rotate on the inner wall of end box and install the axis of rotation, slidable mounting has the spliced pole on the end box, the bottom fixed mounting of spliced pole has the water tank, fixed mounting has the filter on the inner wall of water tank, the top fixed mounting of water tank has the water pump, one side fixed mounting of water pump has raceway one end, the other end of raceway extends to the inside of box, the bottom fixed mounting of end box has the base, the top fixed mounting of base has the motor, rotate on the inner wall of box body and install first dwang, two the mounting groove has all fixed mounting dead lever on the inner wall of mounting groove, rotate on the dead lever and install the second dwang.
Preferably, the outside of two the second dwang is all offered the screw thread, two equal threaded connection has the connecting block on the second dwang, one side fixed mounting of connecting block has the connecting rod, rotate on the connecting rod and install the stock, rotate on the stock and install the plank.
Preferably, a rotating column is rotatably arranged on one side of the box body, a first gear is fixedly arranged on the rotating column, a second gear is fixedly arranged on the rotating shaft, and the first gear and the second gear are meshed with the same chain.
Preferably, the rotating shaft is fixedly provided with a short column, the short column is fixedly provided with a third gear, the rotating shaft is fixedly provided with a fourth gear, and the third gear is meshed with the fourth gear.
Preferably, a thread groove is formed in one side of the rotating column, a screw is connected in the thread groove in a threaded mode, a hose is fixedly installed on the water conveying pipe, and one end of the screw is fixedly connected with the hose.
Preferably, one side of the connecting column is fixedly provided with a tooth plate, teeth on the tooth plate are meshed with the third gear, the other side of the connecting column is provided with a sliding groove, and a short rod is slidably arranged in the sliding groove.
Preferably, the first rotating rod is fixedly provided with two first bevel gears, the bottom ends of the two second rotating rods are fixedly provided with second bevel gears, and the first bevel gears are meshed with the second bevel gears.
Preferably, the water delivery pipe is provided with a second control valve, the top of the inner wall of the water tank is provided with a water through hole, one end of a water outlet pipe is arranged in the water through hole, and the other end of the water outlet pipe is communicated with the inside of the water pump.
Preferably, a collecting box is fixedly arranged at the bottom of the inner wall of the box body, and a baffle is fixedly arranged on the inner wall of the collecting box.
Preferably, the water tank is characterized in that water inlet pipes are fixedly arranged on two sides of the inner wall of the water tank, a first control valve is arranged on each water inlet pipe, and one end of each water inlet pipe extends to the outer side of the water tank.
Compared with the prior art, the invention has the advantages that:
this scheme is owing to set up motor, the axis of rotation, the fourth gear, the third gear, the spliced pole, water tank and water pump, when the motor during operation, the motor rotates and drives the axis of rotation, the fourth gear, the third gear rotates, drive the spliced pole and move down, thereby the spliced pole drives the water tank and the water pump of fixed mounting in the spliced pole bottom, when moving to suitable position, open the control valve on the inlet tube, let the sea water enter into in the water tank, restart the water pump, the water pump passes through the raceway with the sea water after filtering and carries to the sea water collecting box in the box, because the spliced pole lasts the downwardly moving, sample the sea water of different degree of depth.
Because the rotation shaft, the first gear, the second gear, the chain, the connecting column, the screw rod and the hose are arranged, when sampling is carried out, the rotation shaft rotates to drive the first gear to rotate, and the chain drives the second gear to rotate.
The sampling detection device has a simple structure, can sample water at different water level sections, and improves the practicability of the sampling detection device.
FIG. 1 is a schematic diagram of a front view of a sampling device for marine water quality survey according to the present invention;
FIG. 2 is a schematic view of the external surface structure of a sampling device for marine water quality survey according to the present invention;
FIG. 3 is a schematic view of a portion A of a sampling device for marine water quality survey according to the present invention;
FIG. 4 is a schematic view of a portion B of a sampling apparatus for marine water quality survey according to the present invention;
FIG. 5 is a schematic view of the structure of part C of a sampling device for marine water quality survey according to the present invention.
In the figure: 1. a bottom box; 2. fixing the column; 3. a case; 4. a case body; 5. a cross plate; 6. a rotating shaft; 7. a connecting column; 8. a water tank; 9. a filter plate; 10. a water inlet pipe; 11. a first control valve; 12. a second control valve; 13. a sliding groove; 14. a short bar; 15. a motor; 16. a first gear; 17. rotating the column; 18. a second gear; 19. a chain; 20. a thread groove; 21. a screw; 22. a base; 23. a second rotating lever; 24. a connecting block; 25. a first rotating lever; 26. a water pump; 27. a water pipe; 28. a fourth gear; 29. a third gear; 30. a first bevel gear; 31. a second bevel gear; 32. a long rod; 33. a connecting rod; 34. a fixed rod; 35. a mounting groove; 36. a collection box; 37. a short column; 38. and (5) a wood board.
The technical solutions of the present embodiment will be clearly and completely described below with reference to the drawings in the present embodiment, and it is apparent that the described embodiments are only some embodiments of the present embodiment, not all embodiments.
Referring to fig. 1 to 5, a sampling device for marine water quality survey, comprising a bottom box 1, a top fixed mounting box body 4 of the bottom box 1, two fixed columns 2 are fixedly mounted at the top of the box body 4, a box body 3 is fixedly mounted at the top of the box body 4, a transverse plate 5 is fixedly mounted on the inner wall of the box body 3, a rotating shaft 6 is rotatably mounted on the inner wall of the bottom box 1, a connecting column 7 is slidably mounted on the bottom box 1, a water tank 8 is fixedly mounted at the bottom end of the connecting column 7, a filter plate 9 is fixedly mounted on the inner wall of the water tank 8, a water pump 26 is fixedly mounted at the top of the water tank 8, one end of a water pipe 27 is fixedly mounted at one side of the water pump 26, the other end of the water pipe 27 extends into the box body 3, a base 22 is fixedly mounted at the bottom of the bottom box 1, a motor 15 is fixedly mounted at the top of the base 22, a first rotating rod 25 is rotatably mounted on the inner wall of the box body 4, mounting grooves 35 are all provided at the bottom ends of the two fixed columns 2, a fixed rod 34 is fixedly mounted on the inner wall of the two mounting grooves 35, and a second rotating rod 23 is rotatably mounted on the fixed rod 34.
In this embodiment, the outer sides of the two second rotating rods 23 are all provided with threads, the two second rotating rods 23 are connected with the connecting block 24 in a threaded manner, one side of the connecting block 24 is fixedly provided with the connecting rod 33, the connecting rod 33 is rotatably provided with the long rod 32, and the long rod 32 is rotatably provided with the wood board 38.
In this embodiment, a rotating post 17 is rotatably mounted on one side of the case 3, a first gear 18 is fixedly mounted on the rotating post 17, a second gear 16 is fixedly mounted on the rotating shaft 6, and the same chain 19 is meshed with the first gear 16 and the second gear 18.
In this embodiment, a short column 37 is fixedly mounted on the rotating shaft 6, a third gear 29 is fixedly mounted on the short column 37, a fourth gear 28 is fixedly mounted on the rotating shaft 6, and the third gear 29 is meshed with the fourth gear 28.
In this embodiment, a screw groove 20 is formed on one side of the rotation column 17, a screw 21 is connected to the screw groove 20 in a threaded manner, a hose is fixedly mounted on the water pipe 27, and one end of the screw 21 is fixedly connected with the hose.
In this embodiment, a tooth plate is fixedly installed on one side of the connection post 7, teeth on the tooth plate are meshed with the third gear 29, a sliding groove 13 is formed on the other side of the connection post 7, and a short rod 14 is slidably installed in the sliding groove 13.
In this embodiment, two first bevel gears 30 are fixedly mounted on the first rotating rod 25, and second bevel gears 31 are fixedly mounted at the bottom ends of the two second rotating rods 23, wherein the first bevel gears 30 are meshed with the second bevel gears 31.
In this embodiment, the water pipe 27 is provided with the second control valve 12, the top of the inner wall of the water tank 8 is provided with a water through hole, one end of a water outlet pipe is arranged in the water through hole, and the other end of the water outlet pipe is communicated with the inside of the water pump 26.
In this embodiment, a collecting box 36 is fixedly installed at the bottom of the inner wall of the box body 3, and a baffle is fixedly installed on the inner wall of the collecting box 36.
In this embodiment, the water inlet pipe 10 is fixedly installed on two sides of the inner wall of the water tank 8, the first control valve is installed on two water inlet pipes, and one end of the water inlet pipe 10 extends to the outer side of the water tank 8.
In this embodiment, when the sampling detection needs to be performed on the seawater, the first rotating rod 25 is manually rotated, the first rotating rod 25 drives the second rotating rod 23 to rotate through the meshing action of the first bevel gear 30 and the second bevel gear 31, the motor 15 is started, the motor 15 rotates to drive the rotating shaft 6 to rotate, the fourth gear 28 and the third gear 29 are driven to rotate, as the third gear 29 is meshed with teeth on the tooth plate fixedly installed on one side of the connecting column 7, when the third gear 29 rotates, the connecting column 7 is driven to move downwards, so that the connecting column 7 drives the water tank 8 fixedly installed at the bottom end of the connecting column 7 to move downwards with the water pump 26, when the connecting column 7 moves to a proper position, the first control valve 11 on the water inlet pipe 10 is opened, the seawater enters the water tank 8, the water pump 26 is started again, the water pump 26 conveys the filtered seawater into the seawater collecting box 36 through the water pump 27, and as the connecting column 7 continuously moves downwards, the seawater with different depths is simultaneously, the rotating shaft 6 rotates to drive the first gear 16 to rotate, and the second gear 18 is driven to rotate through the second gear 18 when the connecting column 18 is not driven to rotate, so that the connecting column 18 is driven to move simultaneously, and the connecting column 18 is not driven to rotate, so that the connecting column 18 is conveniently to rotate.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art will be able to apply equally to the technical solution of the present invention and the inventive concept thereof, within the scope of the present invention.
Claims (10)
- The utility model provides a marine water quality surveys and uses sampling equipment, includes end box (1), its characterized in that, top fixed mounting box body (4) of end box (1), the top fixed mounting of box body (4) has two fixed columns (2), the top fixed mounting of box body (4) has box (3), fixed mounting has diaphragm (5) on the inner wall of box (3), rotation axis (6) are installed in the rotation on the inner wall of end box (1), slidable mounting has spliced pole (7) on end box (1), the bottom fixed mounting of spliced pole (7) has water tank (8), fixed mounting has filter (9) on the inner wall of water tank (8), the top fixed mounting of water tank (8) has water pumper (26), one side fixed mounting of water pumper (26) has raceway (27) one end, the other end of raceway (27) extends to the inside of box (3), the bottom fixed mounting of end box (1) has base (22), rotation axis (6) are installed on the inner wall of end box (1), the bottom fixed mounting has motor (35) on the inner wall (35) of two fixed mounting grooves (35) are seted up on the inner wall of two fixed mounting boxes (35), the fixed rod (34) is rotatably provided with a second rotating rod (23).
- The marine water quality survey sampling device according to claim 1, wherein the outer sides of the two second rotating rods (23) are provided with threads, the two second rotating rods (23) are connected with connecting blocks (24) in a threaded mode, one side of each connecting block (24) is fixedly provided with a connecting rod (33), the connecting rods (33) are rotatably provided with long rods (32), and the long rods (32) are rotatably provided with wood boards (38).
- A marine water quality survey sampling device according to claim 1, wherein a rotating column (17) is rotatably mounted on one side of the tank (3), a first gear (18) is fixedly mounted on the rotating column (17), a second gear (16) is fixedly mounted on the rotating shaft (6), and the same chain (19) is meshed with the first gear (16) and the second gear (18).
- A marine water quality survey sampling device according to claim 1, wherein a stub (37) is fixedly mounted on the rotating shaft (6), a third gear (29) is fixedly mounted on the stub (37), a fourth gear (28) is fixedly mounted on the rotating shaft (6), and the third gear (29) is meshed with the fourth gear (28).
- The marine water quality survey sampling device according to claim 1, wherein a thread groove (20) is formed in one side of the rotating column (17), a screw (21) is connected to the thread groove (20) in a threaded manner, a hose is fixedly installed on the water pipe (27), and one end of the screw (21) is fixedly connected with the hose.
- The marine water quality survey sampling device according to claim 1, wherein a tooth plate is fixedly arranged on one side of the connecting column (7), teeth on the tooth plate are meshed with a third gear (29), a sliding groove (13) is formed in the other side of the connecting column (7), and a short rod (14) is slidably arranged in the sliding groove (13).
- A marine water quality survey sampling device according to claim 1, wherein two first bevel gears (30) are fixedly mounted on the first rotating rod (25), and second bevel gears (31) are fixedly mounted at the bottom ends of the two second rotating rods (23), and the first bevel gears (30) are meshed with the second bevel gears (31).
- The marine water quality survey sampling device according to claim 1, wherein the water pipe (27) is provided with a second control valve (12), the top of the inner wall of the water tank (8) is provided with a water through hole, one end of a water outlet pipe is arranged in the water through hole, and the other end of the water outlet pipe is communicated with the inside of the water pump (26).
- The sampling device for marine water quality survey according to claim 1, wherein a collecting box (36) is fixedly installed at the bottom of the inner wall of the box body (3), and a baffle is fixedly installed on the inner wall of the collecting box (36).
- A marine water quality survey sampling device according to claim 1, wherein the water tanks (8) are fixedly provided with water inlet pipes (10) on both sides of the inner wall, wherein the water inlet pipes (10) are provided with first control valves (11), and wherein one ends of the water inlet pipes (10) extend to the outer side of the water tanks (8).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2020/130848 WO2022104782A1 (en) | 2020-11-23 | 2020-11-23 | Sampling device for use in marine water quality survey |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116615643A true CN116615643A (en) | 2023-08-18 |
Family
ID=81708277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202080107242.4A Pending CN116615643A (en) | 2020-11-23 | 2020-11-23 | Sampling equipment for marine water quality survey |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN116615643A (en) |
| WO (1) | WO2022104782A1 (en) |
Families Citing this family (23)
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| CN115046535A (en) * | 2022-06-14 | 2022-09-13 | 自然资源部第二海洋研究所 | Surveying and mapping device on ocean with it is sealed and leak protection water |
| CN115196191B (en) * | 2022-07-11 | 2024-04-09 | 安徽碧之润生态环境科技有限公司 | Sample preservation device for groundwater detection |
| CN115343435A (en) * | 2022-08-05 | 2022-11-15 | 中国水产科学研究院珠江水产研究所 | Fishery aquaculture water environment detector |
| CN115046804B (en) * | 2022-08-15 | 2022-11-04 | 射阳县海涂开发有限责任公司 | Surveying device for mudflat development |
| CN115452200B (en) * | 2022-09-19 | 2023-04-28 | 河海大学 | Water environment temperature measuring tool |
| CN115541311B (en) * | 2022-09-20 | 2023-08-04 | 苏州苏水环境监测服务有限公司 | Intelligent sampling system and sampling method for water conservancy detection |
| CN115582948B (en) * | 2022-09-29 | 2023-09-08 | 盐城优博特新材料有限公司 | Plastic film coating forming and cooling device |
| CN115561419B (en) * | 2022-10-12 | 2023-11-14 | 江苏尚维斯环境科技股份有限公司 | Online monitoring equipment for ammonia nitrogen in water quality |
| CN115326488B (en) * | 2022-10-14 | 2023-01-24 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) | Intelligent surveying equipment for hydrogeology investigation |
| CN115792157A (en) * | 2022-12-01 | 2023-03-14 | 武汉宝爸环保科技有限公司 | Water quality analyzer |
| CN116008002B (en) * | 2022-12-09 | 2024-04-19 | 杭州路享科技有限公司 | Ocean water quality detection extraction equipment |
| CN116067717B (en) * | 2023-02-20 | 2024-03-29 | 山东省海洋资源与环境研究院(山东省海洋环境监测中心、山东省水产品质量检验中心) | A multilayer water intaking device for ocean water quality testing |
| CN116298158B (en) * | 2023-02-23 | 2023-10-17 | 山东省国土空间生态修复中心(山东省地质灾害防治技术指导中心、山东省土地储备中心) | Fixed detection device |
| CN115979719B (en) * | 2023-03-22 | 2023-06-20 | 江苏绿建韧性城市研究院有限公司 | Deep sampling device for rainwater quality monitoring and application method thereof |
| CN116539370B (en) * | 2023-06-28 | 2023-09-08 | 奥来国信（北京）检测技术有限责任公司 | Unmanned ship for river sludge collection |
| CN116539373A (en) * | 2023-07-04 | 2023-08-04 | 北京建工环境修复股份有限公司 | Extraction equipment for groundwater quality detection |
| CN116519389B (en) * | 2023-07-04 | 2023-09-08 | 北京建工环境修复股份有限公司 | Stratified sampling device based on groundwater detection test |
| CN116659965B (en) * | 2023-07-28 | 2023-10-03 | 北京北控悦慧环境科技有限公司 | Water quality testing and sampling device for water environment treatment |
| CN116718235B (en) * | 2023-08-02 | 2023-10-20 | 山东省鲁岳资源勘查开发有限公司 | Hydrogeological exploration ground water level observation device |
| CN117303138B (en) * | 2023-11-28 | 2024-02-23 | 济南正宇勘察测绘有限公司 | Overwater mapping device |
| CN117309497B (en) * | 2023-11-29 | 2024-02-02 | 山东正源检测科技有限公司 | Special sampling base station for water quality detection |
| CN117367891B (en) * | 2023-12-08 | 2024-02-09 | 闽江学院 | Underwater water quality acquisition device based on remote control of ship |
| CN117517004B (en) * | 2024-01-08 | 2024-03-22 | 黄河水利委员会洛阳水文水资源勘测局 | Layered sampling device for water quality detection |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206243471U (en) * | 2016-12-18 | 2017-06-13 | 云南高科新农科技有限公司 | A kind of water quality sampling unmanned plane |
| US20190368978A1 (en) * | 2018-03-14 | 2019-12-05 | Richard P. Sheryll | Underwater Sampling Method and Apparatus |
| CN209589581U (en) * | 2019-03-14 | 2019-11-05 | 中兴仪器（深圳）有限公司 | A kind of water quality sampling device and unmanned plane of UAV flight |
| US11391650B2 (en) * | 2019-04-10 | 2022-07-19 | Fairweather IT LLC | Method and apparatus for performing water sampling with an unmanned aerial vehicle |
| CN210269293U (en) * | 2019-06-26 | 2020-04-07 | 成都宁水科技有限公司 | Automatic water sample sampling device for secondary water supply system water tank |
| CN211086269U (en) * | 2019-11-22 | 2020-07-24 | 李传生 | Multifunctional underground water pollution detection device |
-
2020
- 2020-11-23 CN CN202080107242.4A patent/CN116615643A/en active Pending
- 2020-11-23 WO PCT/CN2020/130848 patent/WO2022104782A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022104782A1 (en) | 2022-05-27 |
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Country or region after: China Address after: No.76 Guo'an Road, Caofeidian Comprehensive Bonded Zone, Caofeidian Area, China (Hebei) Pilot Free Trade Zone, Tangshan City, Hebei Province, 063210 Applicant after: TANGSHAN HACHUAN TECHNOLOGY Co.,Ltd. Address before: Room 402, 118 / F, Guorui business park, Caofeidian District, Tangshan City, Hebei Province Applicant before: TANGSHAN HACHUAN TECHNOLOGY Co.,Ltd. Country or region before: China |
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