CN111076974A - Sealed depth-fixed water sample collecting device - Google Patents
Sealed depth-fixed water sample collecting device Download PDFInfo
- Publication number
- CN111076974A CN111076974A CN201911286282.5A CN201911286282A CN111076974A CN 111076974 A CN111076974 A CN 111076974A CN 201911286282 A CN201911286282 A CN 201911286282A CN 111076974 A CN111076974 A CN 111076974A
- Authority
- CN
- China
- Prior art keywords
- pipe section
- cover plate
- wall
- limiting plate
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
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
Abstract
The invention provides a sealed depth-fixed water sample collecting device, which relates to the technical field of water sample collecting devices and comprises a hollow sampling tube, wherein a lifting connecting piece is arranged on the sampling tube; the sampling tube is divided into an upper tube section, a middle tube section and a lower tube section; the inner wall of the upper pipe section is provided with an upper limiting plate, and the middle part of the upper pipe section is provided with an upper through hole; an upper cover plate is arranged above the upper limiting plate, an upper sealing element is arranged at the lower end of the upper limiting plate, and the upper sealing element is positioned between the upper cover plate and the upper limiting plate; the upper cover plate is hinged on the inner wall of the upper pipe section by an upper hinge piece; an elastic reset piece is connected between the inner wall of the upper pipe section above the upper hinge piece and the upper cover plate; the inner wall of the lower pipe section is provided with a lower limiting plate, and the middle part of the lower limiting plate is provided with a lower through hole; a lower cover plate is arranged above the lower limiting plate, a lower sealing element is arranged at the lower end of the lower limiting plate, and the lower sealing element is positioned between the lower cover plate and the lower limiting plate; the lower cover plate is hinged on the inner wall of the lower pipe section by a lower hinge; the lower elastic reset piece is connected between the inner wall of the lower pipe section above the lower hinge piece and the lower cover plate. The invention has high sealing performance, easy operation and strong pertinence and improves the reliability of the water sampling sample.
Description
Technical Field
The invention relates to the technical field of water sample collecting devices, in particular to a sealed depth-fixed water sample collecting device.
Background
Accurately taking a water sample at a certain depth to analyze the sample is an important part for analyzing the geochemical environment of the water body. In order to analyze chemical compositions and trace elements of underground water with different depths and determine the age of the underground water, water samples need to be collected in a water body (including the underground water, surface water and the like) with a certain depth.
In the process of lifting the existing depth-fixing sampling device from a water body, because the upper opening of the sampler is not protected, the upper water body can be mixed into the sampler more or less. In addition, the valve of the sampler is simple in arrangement and poor in sealing performance, and the representativeness of the sampled water sample is influenced. The foreign borehole double-plug depth sampler is expensive, complex in operation and small in application range, is only limited to sampling underground water samples in boreholes, and cannot be used when sampling in seawater and lake water.
Disclosure of Invention
The invention provides a sealed depth-fixed water sample collecting device, which solves the problem of poor representativeness of a water sample existing in a water sample collecting device in the prior art.
The technical scheme of the invention is realized as follows:
a sealed depth-fixed water sample sampling device comprises a hollow sampling tube, wherein a lifting connecting piece is arranged on the sampling tube; the sampling tube is divided into an upper tube section, a middle tube section and a lower tube section from top to bottom;
a circle of upper limiting plate is arranged on the inner wall of the upper pipe section, and an upper through hole is formed in the middle of the upper limiting plate; an upper cover plate is arranged above the upper limiting plate and covers the upper through hole; the lower end of the upper cover plate is provided with an upper sealing element, and the upper sealing element is positioned between the upper cover plate and the upper limiting plate; one end of the upper cover plate is hinged to the inner wall of the upper pipe section through an upper hinge; an elastic reset piece is connected between the inner wall of the upper pipe section above the upper hinge piece and the upper cover plate;
a circle of lower limiting plate is arranged on the inner wall of the lower pipe section, and a lower through hole is formed in the middle of the lower limiting plate; a lower cover plate is arranged above the lower limiting plate and covers the lower through hole; the lower end of the lower cover plate is provided with a lower sealing element, and the lower sealing element is positioned between the lower cover plate and the lower limiting plate; one end of the lower cover plate is hinged to the inner wall of the lower pipe section through a lower hinge; and a lower elastic reset piece is connected between the inner wall of the lower pipe section above the lower hinge piece and the lower cover plate.
Furthermore, the upper pipe section is detachably connected with the middle pipe section, and the middle pipe section is detachably connected with the lower pipe section.
Furthermore, the upper pipe section is in threaded connection with the middle pipe section, and the middle pipe section is in threaded connection with the lower pipe section.
Further, the lifting connecting piece is a lifting ring, and the lifting ring is arranged at the top of the upper pipe section.
Further, the upper hinge part comprises an upper fixing base arranged on the inner wall of the upper pipe section, and the upper cover plate is hinged to the upper fixing base through an upper penetrating pin.
Further, the lower hinged part comprises a lower fixed base arranged on the inner wall of the lower pipe section, and the lower cover plate is hinged to the lower fixed base through a lower through pin.
Further, the upper sealing element is an upper rubber plate, and the upper rubber plate is fixed with the upper cover plate through an upper rivet.
Further, the lower sealing element is a lower rubber plate, and the lower rubber plate is fixed with the lower cover plate through a lower rivet.
Further, the upper elastic reset piece and the lower elastic reset piece are both springs.
Furthermore, one end of the upper cover plate, which is far away from the upper hinge part, is provided with a water discharging pull ring.
The invention has the beneficial effects that:
the invention has the characteristics of high sealing performance, easy operation, strong pertinence, improved reliability of the water sampling sample and the like; especially, the sampling speed can be improved under the condition that the depth of a water sample is deep, so that the sampling cost is reduced, and the accuracy of analysis of the geochemical environment where the water sample is located is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic view of a usage status according to an embodiment of the present invention.
Wherein:
1. an upper pipe section; 2. a middle pipe section; 3. a lower pipe section; 4. lifting the connecting piece; 5. an upper limiting plate; 6. an upper through hole; 7. an upper cover plate; 8. an upper seal member; 9. riveting; 10. an upper fixed base; 11. an upper pin is penetrated; 12. an upper elastic reset member; 13. a lower limiting plate; 14. a lower through hole; 15. a lower cover plate; 16. a lower seal member; 17. riveting; 18. a lower fixed base; 19. a lower pin is penetrated; 20. a lower elastic reset member; 21. a water discharging pull ring; 22. a thread; 23. a wire rope; 24. a winch; 25. a support; 26. a pulley.
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.
As shown in fig. 1-2, the sealed depth-fixed water sampling device in this embodiment includes a hollow sampling tube, which is divided into an upper tube section 1, a middle tube section 2 and a lower tube section 3 from top to bottom. Go up pipeline section 1 and middle pipeline section 2 and can dismantle and be connected, middle pipeline section 2 can dismantle with lower pipeline section 3 and be connected. Here, the upper pipe section 1 and the middle pipe section 2 are in threaded connection, and the middle pipe section 2 and the lower pipe section 3 are in threaded connection; so that the upper pipe section 1, the middle pipe section 2 and the lower pipe section 3 can be conveniently disassembled. The sampling tube is provided with a lifting connecting piece 4; in this embodiment, the lifting connection 4 is a lifting ring, and the lifting ring is disposed on the top of the upper pipe section 1.
The inner wall of the upper pipe section 1 is provided with a circle of upper limiting plate 5, and the middle part of the upper limiting plate 5 is provided with an upper through hole 6. An upper cover plate 7 is arranged above the upper limiting plate 5, and the upper cover plate 7 covers the upper through hole 6. The lower extreme of upper cover plate 7 is provided with upper seal 8, upper seal 8 is located between upper cover plate 7 and the last limiting plate 5, plays sealed effect. Here, the upper seal 8 is an upper rubber plate fixed to the upper cover plate 7 by an upper rivet 9. The upper rubber plate is a whole circular plate, and in practical application, the upper rubber plate can also be arranged in an annular shape as long as the upper rubber plate can ensure that a seal is formed between the upper cover plate 7 and the upper limiting plate 5. One end of the upper cover plate 7 is hinged on the inner wall of the upper pipe section 1 through an upper hinge. In this embodiment, the upper hinge member includes an upper fixing base 10 disposed on the inner wall of the upper pipe section 1, and the upper cover plate 7 is hinged to the upper fixing base 10 by an upper through pin 11. An upper elastic reset piece 12 is connected between the inner wall of the upper pipe section 1 above the upper hinge piece and the upper cover plate 7, wherein the upper elastic reset piece 12 is a spring.
The inner wall of the lower pipe section 3 is provided with a circle of lower limiting plates 13, and the middle parts of the lower limiting plates 13 are provided with lower through holes 14. A lower cover plate 15 is arranged above the lower limiting plate 13, and the lower cover plate 15 is covered on the lower through hole 14. The lower end of the lower cover plate 15 is provided with a lower sealing piece 16, and the lower sealing piece 16 is positioned between the lower cover plate 15 and the lower limiting plate 13 to play a role in sealing. Here, the lower seal member 16 is a lower rubber plate fixed to the lower cover plate 15 by a lower rivet 17. The lower rubber plate is a whole circular plate, and in practical application, the lower rubber plate may be configured to be annular, as long as it can ensure that a seal is formed between the lower cover plate 15 and the lower limiting plate 13. One end of the lower cover plate 15 is hinged on the inner wall of the lower pipe section 3 by a lower hinge. In this embodiment, the lower hinge member comprises a lower fixed base 18 disposed on the inner wall of the lower pipe section 3, and the lower cover plate 15 is hinged to the lower fixed base 18 by a lower through pin 19. A lower elastic return element 20 is connected between the inner wall of the lower tube section 3 above the lower hinge and the lower cover plate 15, wherein the lower elastic return element 20 is a spring.
In this embodiment, a water discharging pull ring 21 is disposed at one end of the upper cover plate 7 away from the upper hinge. For convenience of operation, a cord (not shown) may be attached to the pull-tab 21.
The processing procedure of this example is as follows: and taking a steel pipe with the diameter slightly smaller than the diameter of the sampling drill hole, and cutting the steel pipe into three sections to form an upper pipe section 1, a middle pipe section 2 and a lower pipe section 3. Threads 22 matched with each other are lathed at the lower end of the upper pipe section 1, the two ends of the middle pipe section 2 and the upper end of the lower pipe section 3. Two holes are drilled at the upper end of the upper pipe section 1, and a lifting ring is installed.
And turning a circular steel plate according to the inner diameter of the steel pipe, and welding the circular steel plate in the upper pipe section 1 to form the upper limiting plate 5. A round steel plate is processed according to the inner diameter of the steel pipe to serve as an upper cover plate 7, and the diameter of the upper cover plate 7 is smaller than the inner diameter of the steel pipe. When a round steel plate is processed, a convex part is reserved at one end of the round steel plate, and a small hole is drilled at the convex part. And processing a circular rubber plate, drilling a circular hole in the centers of the circular steel plate and the circular rubber plate, and fixing the circular steel plate and the circular rubber plate by using a rivet to form an upper valve. Processing an upper fixed base 10, and connecting the upper cover plate 7 with the upper fixed base 10 through an upper through pin 11; the upper transmission pin is connected by a small hole at the protruding part. The upper fixed base 10 is welded inside the upper pipe section 1.
The water discharge pull ring 21 is welded on the upper cover plate 7, and a soft rope is tied on the pull ring. Two ends of the spring are respectively welded on the inner wall of the upper pipe section 1 and the upper cover plate 7.
The processing method of the structures inside the lower pipe section 3 is the same as the processing method of the structures inside the upper pipe section 1.
And finally, connecting the upper pipe section 1, the middle pipe section 2 and the lower pipe section 3 through threads 22 to form the sealed depth-fixed water sample collecting device.
Referring to fig. 2, when the present embodiment is used, the lifting connector 4 of the present embodiment is connected to a winch 24 having an automatic depth control function through a wire rope 23. The hoist 24 is provided with a pulley 26 through a bracket 25, and the wire rope 23 is wound around the pulley 26.
The embodiment is placed on the surface of the water body, the initial depth is adjusted to be zero on the winch 24, and then the depth of the water sample to be sampled is set on the winch 24. The winch 24 controls the embodiment to be rapidly lowered at a certain speed, and in the process, under the impulsive force of water, the upper elastic resetting piece 12 and the lower elastic resetting piece 20 are compressed, the upper cover plate 7 and the lower cover plate 15 are opened upwards, and water passes through the middle of the sampling pipe upwards. When the preset depth is reached, the winch 24 automatically stops lowering; then the hoist engine 24 drives this embodiment to lift upwards, and in this process, upper cover plate 7 and lower cover plate 15 close under the effect of the impact force of water, the elasticity of upper elasticity piece 12 and lower elasticity piece 20 that resets, make the water sample of taking be in encapsulated situation in the sampling tube, avoid the interference of other degree of depth waters. After this embodiment promoted the drill way, put this embodiment in flourishing water receptacle top, push open lower cover plate 15, pull open upper cover plate 7, can pour the water sample in the sampling tube into flourishing water receptacle, accomplish the sample work.
The embodiment has the characteristics of high sealing performance, easiness in operation, strong pertinence, improvement on the reliability of the water taking sample and the like; especially, the sampling speed can be improved under the condition that the depth of a water sample is deep, so that the sampling cost is reduced, and the accuracy of analysis of the geochemical environment where the water sample is located is improved.
1) High sealing performance
This embodiment adopts the rubber slab as sealing material, has installed the spring on upper cover plate 7 and the lower cover plate 15, can guarantee the leakproofness of the water sample of taking at the promotion in-process.
2) Simple operation
The method is characterized in that the method is placed on the water surface, the depth starting point is determined, then the method is quickly placed at a certain speed through the winch 24, and the method can be directly lifted by the winch 24 after the set depth is reached without manual excessive intervention.
3) With strong pertinence
This embodiment can make according to the volume of the water sample of getting, has compensatied the not enough of other samplers in this respect. Moreover, the sampling volume can be adjusted by replacing different midsection 2.
4) High reliability
In the embodiment, water at other depths passes through the middle of the sampling pipe during the process of descending at a certain speed, when the specified depth is reached, the descending is stopped and the sampling pipe is converted into ascending, the upper cover plate 7 and the lower cover plate 15 are closed, and the water at other depths is ensured to be difficult to mix.
5) Increasing the representativeness of taking groundwater samples
Because no water with other depths is mixed in the lifting process, the taken water sample is not influenced by other factors, and the representativeness of the depth of the sampling water body is ensured.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A sealed depth-fixed water sample sampling device is characterized by comprising a hollow sampling tube, wherein a lifting connecting piece is arranged on the sampling tube; the sampling tube is divided into an upper tube section, a middle tube section and a lower tube section from top to bottom;
a circle of upper limiting plate is arranged on the inner wall of the upper pipe section, and an upper through hole is formed in the middle of the upper limiting plate; an upper cover plate is arranged above the upper limiting plate and covers the upper through hole; the lower end of the upper cover plate is provided with an upper sealing element, and the upper sealing element is positioned between the upper cover plate and the upper limiting plate; one end of the upper cover plate is hinged to the inner wall of the upper pipe section through an upper hinge; an elastic reset piece is connected between the inner wall of the upper pipe section above the upper hinge piece and the upper cover plate;
a circle of lower limiting plate is arranged on the inner wall of the lower pipe section, and a lower through hole is formed in the middle of the lower limiting plate; a lower cover plate is arranged above the lower limiting plate and covers the lower through hole; the lower end of the lower cover plate is provided with a lower sealing element, and the lower sealing element is positioned between the lower cover plate and the lower limiting plate; one end of the lower cover plate is hinged to the inner wall of the lower pipe section through a lower hinge; and a lower elastic reset piece is connected between the inner wall of the lower pipe section above the lower hinge piece and the lower cover plate.
2. The sealed type depth-fixed water sampling device as claimed in claim 1, wherein the upper pipe section is detachably connected with the middle pipe section, and the middle pipe section is detachably connected with the lower pipe section.
3. The sealed type depth-fixed water sampling device as claimed in claim 2, wherein the upper pipe section is in threaded connection with the middle pipe section, and the middle pipe section is in threaded connection with the lower pipe section.
4. The sealed depth-setting water sampling apparatus of claim 1, wherein the lifting connector is a lifting ring disposed on top of the upper pipe section.
5. The sealed type depth-fixed water sampling device as claimed in claim 1, wherein the upper hinge member comprises an upper fixing base provided on an inner wall of the upper pipe section, and the upper cover plate is hinged to the upper fixing base by an upper through pin.
6. The sealed fixed depth water sampling apparatus of claim 1, wherein the lower hinge comprises a lower fixed base disposed on an inner wall of the lower pipe section, and the lower cover plate is hinged to the lower fixed base by a lower through pin.
7. The sealed type depth-setting water sampling device as claimed in claim 1, wherein the upper sealing member is an upper rubber plate, and the upper rubber plate is fixed to the upper cover plate by an upper rivet.
8. The sealed type depth-setting water sampling device as claimed in claim 1, wherein the lower sealing member is a lower rubber plate, and the lower rubber plate is fixed with the lower cover plate by a lower rivet.
9. The sealed type depth-fixed water sampling device as claimed in claim 1, wherein the upper elastic restoring member and the lower elastic restoring member are both springs.
10. A sealed depth-setting water sampling apparatus according to any one of claims 1 to 9, wherein the end of the upper cover plate remote from the upper hinge is provided with a water release pull ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911286282.5A CN111076974A (en) | 2019-12-13 | 2019-12-13 | Sealed depth-fixed water sample collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911286282.5A CN111076974A (en) | 2019-12-13 | 2019-12-13 | Sealed depth-fixed water sample collecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111076974A true CN111076974A (en) | 2020-04-28 |
Family
ID=70314541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911286282.5A Pending CN111076974A (en) | 2019-12-13 | 2019-12-13 | Sealed depth-fixed water sample collecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111076974A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116990087A (en) * | 2023-09-27 | 2023-11-03 | 山东清控生态环境产业发展有限公司 | Water quality monitoring equipment for preventing and treating water environmental pollution |
-
2019
- 2019-12-13 CN CN201911286282.5A patent/CN111076974A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116990087A (en) * | 2023-09-27 | 2023-11-03 | 山东清控生态环境产业发展有限公司 | Water quality monitoring equipment for preventing and treating water environmental pollution |
| CN116990087B (en) * | 2023-09-27 | 2024-04-02 | 山东清控生态环境产业发展有限公司 | Water quality monitoring equipment for preventing and treating water environmental pollution |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102069007B1 (en) | Water Sampler Having Means Water Lever | |
| KR101924148B1 (en) | Stand for water and Sediment sampling | |
| EP0062022A1 (en) | Device for taking ground water samples in soil and rock | |
| CN218725601U (en) | Depth-fixed water taking device | |
| CN110206007B (en) | Submarine sediment in-situ testing device | |
| JP5604671B2 (en) | Sediment collection device, sediment collection system, and sediment collection method | |
| CN104316353A (en) | Depth sampler | |
| JP4074865B2 (en) | Sampling apparatus and sampling method | |
| CN111076974A (en) | Sealed depth-fixed water sample collecting device | |
| CN110579374B (en) | Water fullness prompting sampling device and method for underwater depth-fixed sampling | |
| CN105571898A (en) | Seabed water sample depth-setting sampler | |
| CN212432611U (en) | Sealed depth-fixed water sample collecting device | |
| CN109443833B (en) | Multifunctional underwater water and sand sampler | |
| JP3227316U (en) | Sampler | |
| KR20150051475A (en) | Practical type of oil-pressurized fixed-piston sampler | |
| CN209727519U (en) | A kind of depthkeeping degree sampler | |
| CN211784452U (en) | Multi-channel surface sediment columnar sampling device | |
| CN211527907U (en) | Regional water environment water sampling device | |
| CN107524425B (en) | Portable underwater gas production device and use method thereof | |
| CN210802993U (en) | Water body monitoring equipment | |
| CN211576640U (en) | Device for sampling water body according to different depths | |
| CN211292114U (en) | Deep sampler for cement mixing pile | |
| CN205426570U (en) | Dirty water sampler of controllable depth of water | |
| CN211576652U (en) | Fixed-depth fluid sample collector for drilling | |
| CN220399031U (en) | Environment monitoring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |