CN110455581B - Detection sampling device for organic pollutant-containing bottom mud in river - Google Patents
Detection sampling device for organic pollutant-containing bottom mud in river Download PDFInfo
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- CN110455581B CN110455581B CN201910857651.5A CN201910857651A CN110455581B CN 110455581 B CN110455581 B CN 110455581B CN 201910857651 A CN201910857651 A CN 201910857651A CN 110455581 B CN110455581 B CN 110455581B
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- 238000005070 sampling Methods 0.000 title claims abstract description 94
- 239000002957 persistent organic pollutant Substances 0.000 title claims abstract description 13
- 238000001514 detection method Methods 0.000 title claims abstract description 7
- 239000013049 sediment Substances 0.000 claims description 8
- 229920003023 plastic Polymers 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000005527 soil sampling Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000002689 soil Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 210000000750 endocrine system Anatomy 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 231100001239 persistent pollutant Toxicity 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 231100001234 toxic pollutant Toxicity 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
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- 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
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
-
- 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
- G01N1/12—Dippers; Dredgers
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- Life Sciences & Earth 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)
- Hydrology & Water Resources (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a detection sampling device for bottom mud containing organic pollutants in a river channel, which comprises a sampling device body, a mounting bracket and a connecting seat, wherein the mounting bracket is used for mounting the sampling device body; the sampling device body comprises a sampling head and an auxiliary device; the external device is an unmanned aerial vehicle or a sampling rod assembly; the sampling device has reasonable integral structure design, and the problems of side turning, sinking and the like of the sampling device body can be effectively avoided when the sampling device is used by carrying the sampling device body by using the mounting bracket; in addition, the invention can be selectively carried on an external device, is not limited by the environment when in specific use, has wider application range and is suitable for large-scale popularization.
Description
Technical Field
The invention relates to the technical field of river sediment sampling, in particular to a device for detecting and sampling organic pollutant-containing sediment in a river.
Background
In recent years, with the acceleration of urbanization and industrialization, organic pollution is more and more serious. Because persistent organic pollutants are widely distributed in the water environment, the persistent organic pollutants are easy to generate biological accumulation in a human body, and the persistent organic pollutants generate obvious biological accumulation through a food chain to damage the endocrine system of the human body and threaten the ecosystem.
Due to the great harm of persistent pollutants to human health and ecological environment, their state in water sediments and the health risks of human and organisms have received much attention.
The distribution characteristics of organic contaminants in deposits and the source of the contamination have increased over recent years. But most of the attention is focused on regions such as rivers, lakes, gulfs and the like. However, nowadays, the pollution of rural water to the environment also faces a serious problem. The water environment control in rural areas is also an urgent matter, wherein dredging sediment becomes a main measure for improving the water environment in rural areas. The river sediment contains rich nitrogen and phosphorus, organic matters and trace elements necessary for plant growth. Therefore, the reasonable treatment has important economic and environmental utilization values. However, since various harmful and toxic pollutants may be accumulated in the bottom mud, serious consequences can be caused if the bottom mud is not properly disposed. Therefore, the detection of the bottom mud of the rural river can provide favorable basis for later treatment.
However, sediment sampling must be carried out before detection, and in the prior art, the sampling device needs to be manually sampled more, and the whole operation process is more tedious, and because the restriction of environment, can receive the interference of various factors when actual operation, can seriously influence normal sampling if the sampling point is far away from the river bank.
Disclosure of Invention
Aiming at the problems, the invention provides the device for detecting and sampling the bottom mud containing the organic pollutants in the riverway, which is not influenced by the environment and is convenient to operate.
The technical scheme of the invention is as follows: a detection sampling device for bottom mud containing organic pollutants in a river comprises a sampling device body, a mounting bracket for mounting the sampling device body, and a connecting seat for connecting the mounting bracket with an external device;
the sampling device body comprises a sampling head and an auxiliary device; the auxiliary device comprises an installation base, a large arm, a small arm, a sampling arm and an electric push rod, wherein the electric push rod comprises a first electric push rod, a second electric push rod and a third electric push rod; the mounting base is mounted on the mounting bracket; the lower end of the large arm is movably mounted on the mounting base through a pin shaft, one end of the small arm is movably connected with the upper end of the large arm, one end of the sampling arm is connected with the other end of the small arm, and the sampling head is mounted at the other end of the sampling arm; the first electric push rod acts between the mounting base and the large arm, the second electric push rod acts between the large arm and the small arm, and the third electric push rod acts between the small arm and the sampling arm;
the external device is an unmanned aerial vehicle or a sampling rod assembly.
Furthermore, the sampling head adopts a soil sampling head; the soil sampler is suitable for dry riverways, and the surface of the soil sampler has certain hardness, so that the soil sampler is more convenient to sample.
Furthermore, the sampling head adopts a sampling grab bucket, a servo motor acting on the sampling grab bucket is arranged on the sampling grab bucket, and the sampling grab bucket is in an open-close type; the device is suitable for sampling bottom mud with higher fluidity, and can effectively avoid the loss caused by high water content in the bottom mud during sampling.
Further, the mounting bracket comprises an anti-sinking plate, a mounting rod and a connecting rod; 2-5 anti-sinking plates are arranged in parallel, and 2-5 anti-sinking plates are sequentially arranged in parallel and connected through a connecting rod; the mounting plate is arranged on the anti-sinking plate and used for mounting the sampling device body; the mounting rods are arranged at two ends of the anti-sinking plate at the outermost side, mounting blocks are arranged on the mounting rods, and the mounting blocks can be mounted on the connecting seat; the anti-sinking plate and the mounting plate are arranged, so that the device can be effectively prevented from sinking in bottom mud when in use, and the overall structure after mounting can be more stable.
Furthermore, the anti-sinking plate comprises an upper layer and an anti-sinking lower layer, the upper layer is made of a light plastic steel plate, the anti-sinking lower layer is made of PVC plastic and is provided with a hollow cavity inside and an arc-shaped bottom; the mass ratio of the device that alleviates that the steel sheet of moulding, PVC plastics homoenergetic that adopt can be very big utilizes curved buoy can improve the buoyancy of device effectively, avoids the device to be absorbed in bed mud or river course aquatic when using.
Furthermore, the mounting plate is arranged at the position, close to the rear, of the center of the anti-sinking plate, the sampling device body is arranged at the center of the mounting plate, and the sampling head is positioned at the front end of the mounting plate; the sampling device is located the center of preventing sinking the board and leans on the back position, and when using, front end portion position atress can carry out relative balance, increases the stability of device.
Further, the connecting seat comprises a connecting plate and a connecting assembly; the two connecting components are arranged on two opposite sides of the upper end of the connecting plate; the connecting assembly can be movably arranged on an external device and is installed when in use; when in storage, the utility model is disassembled for storage; has the advantages of small occupied space and easy carrying.
Compared with the prior art, the invention has the beneficial effects that: the sampling device has reasonable integral structure design, and the problems of side turning, sinking and the like of the sampling device body can be effectively avoided when the sampling device is used by carrying the sampling device body by using the mounting bracket; the sampling device body adopted by the invention has higher automation degree and is more convenient and faster to use; in addition, the whole structure of the invention is easy to disassemble, the whole installation and operation are simple, the influence on the sampling time is little when the sampling device is actually used, and the sampling device is convenient to carry and store; in addition, the invention can be selectively carried on an external device, is not limited by the environment when in specific use, has wider application range and is suitable for large-scale popularization.
Drawings
FIG. 1 is a schematic structural view of embodiment 1 of the present invention;
FIG. 2 is a schematic structural view of a sampling device body according to embodiment 1 of the present invention;
FIG. 3 is a right side view of embodiment 1 of the present invention;
FIG. 4 is a right side view of embodiment 2 of the present invention;
FIG. 5 is a schematic structural view of a mounting bracket according to embodiment 1 of the present invention;
fig. 6 is a schematic structural view of an anti-settling plate according to embodiment 1 of the present invention;
FIG. 7 is a schematic view showing connection between embodiment 1 of the present invention and an external device;
FIG. 8 is a schematic view showing connection between embodiment 3 of the present invention and an external device;
the device comprises a sampling device body 1, a sampling head 10, a mounting base 11, a large arm 12, a small arm 13, a sampling arm 14, an electric push rod 15, a first electric push rod 151, a second electric push rod 152, a third electric push rod 153, a mounting support 2, an anti-sinking plate 21, an upper layer 211, an anti-sinking lower layer 212, a mounting plate 22, a mounting rod 23, a mounting block 230, a connecting rod 24 and a connecting seat 3.
Detailed Description
Example 1: as shown in fig. 1, the device for detecting and sampling bottom mud containing organic pollutants in a river comprises a sampling device body 1, a mounting bracket 2 for mounting the sampling device body 1, and a connecting seat 3 for connecting the mounting bracket 2 with an external device;
as shown in fig. 2, the sampling device body 1 includes a sampling head 10 and an auxiliary device; the auxiliary device comprises a mounting base 11, a large arm 12, a small arm 13, a sampling arm 14 and an electric push rod 15, wherein the electric push rod 15 comprises a first electric push rod 151, a second electric push rod 152 and a third electric push rod 153; the mounting base 11 is mounted on the mounting bracket 2; the lower end of the large arm 12 is movably arranged on the mounting base 11 through a pin shaft, one end of the small arm 13 is movably connected with the upper end of the large arm 12, one end of the sampling arm 14 is connected with the other end of the small arm 13, and the sampling head 10 is arranged at the other end of the sampling arm 14; a first electric push rod 151 acts between the mounting base 11 and the large arm 12, a second electric push rod 152 acts between the large arm 12 and the small arm 13, and a third electric push rod 153 acts between the small arm 13 and the sampling arm 14;
as shown in fig. 7, the external device is an unmanned aerial vehicle;
as shown in fig. 3, the sampling head 10 is a soil sampling head;
as shown in fig. 5, the mounting bracket 2 includes a sinking prevention plate 21, a mounting plate 22, a mounting rod 23, and a connecting rod 24; 2 anti-sinking plates 21 are arranged, wherein the 2 anti-sinking plates 21 are sequentially arranged in parallel, and the 2 anti-sinking plates 21 are connected through a connecting rod 24; the mounting plate 22 is arranged on the anti-sinking plate 21 and used for mounting the sampling device body 1; the mounting rods 23 are arranged at two ends of the anti-sinking plate 21 at the outermost side, the mounting rods 23 are provided with mounting blocks 230, and the mounting blocks 230 can be mounted on the connecting seat 3; wherein, the mounting rod 23 is movably arranged on the anti-sinking plate 21 in a threaded embedding manner; the mounting rod 23 is connected with the anti-sinking plate 21 through a mounting bolt; the connecting rod 24 is connected with the anti-sinking plate 21 in a threaded embedding manner;
as shown in fig. 6, the anti-sink plate 21 includes an upper layer 211 and an anti-sink layer 212, the upper layer 211 is made of light plastic steel plate, the anti-sink layer 212 is made of PVC plastic, the interior of the anti-sink layer is a hollow cavity, and the bottom of the anti-sink layer is an arc-shaped buoy;
as shown in fig. 1 and 5, the mounting plate 22 is arranged at the position behind the center of the anti-sinking plate 21, the sampling device body 1 is arranged at the center of the mounting plate 22, and the sampling head 10 is positioned at the front end of the mounting plate 22;
as shown in fig. 1, the connection socket 3 includes a connection plate 31 and a connection member 32; the connecting members 32 are two, and the two connecting members 32 are disposed at opposite sides of the upper end of the connecting plate 31.
It should be noted that: in this embodiment, the electric putter 15 is a commercially available electric putter controller.
Example 2: the difference from example 1 is: as shown in fig. 4, the sampling head 10 adopts a sampling grab, and a servo motor acting on the sampling grab is arranged on the sampling grab, and the sampling grab is of an open-close type.
It should be noted that: the electric push rod 15 of the embodiment adopts a commercially available electric push rod speed regulator, and the specific model is as follows: SL-KZQ-09
Example 3: the difference from example 1 is: the external device is a sample rod assembly as shown in fig. 8.
Claims (3)
1. A detection sampling device for bottom sediment containing organic pollutants in a river comprises a sampling device body (1), a mounting bracket (2) for mounting the sampling device body (1), and a connecting seat (3) for connecting the mounting bracket (2) with an external device;
the sampling device is characterized in that the sampling device body (1) comprises a sampling head (10) and an auxiliary device; the auxiliary device comprises a mounting base (11), a large arm (12), a small arm (13), a sampling arm (14) and an electric push rod (15), wherein the electric push rod (15) comprises a first electric push rod (151), a second electric push rod (152) and a third electric push rod (153); the mounting base (11) is mounted on the mounting bracket (2); the lower end of the large arm (12) is movably mounted on the mounting base (11) through a pin shaft, one end of the small arm (13) is movably connected with the upper end of the large arm (12), one end of the sampling arm (14) is connected with the other end of the small arm (13), and the sampling head (10) is mounted at the other end of the sampling arm (14); the first electric push rod (151) acts between the mounting base (11) and the large arm (12), the second electric push rod (152) acts between the large arm (12) and the small arm (13), and the third electric push rod (153) acts between the small arm (13) and the sampling arm (14);
the mounting bracket (2) comprises an anti-sinking plate (21), a mounting plate (22), a mounting rod (23) and a connecting rod (24); 2-5 anti-sinking plates (21) are arranged, 2-5 anti-sinking plates (21) are sequentially arranged in parallel, and two adjacent anti-sinking plates (21) are connected through a connecting rod (24); the mounting plate (22) is arranged on the anti-sinking plate (21) and used for mounting the sampling device body (1); the mounting rods (23) are arranged at two ends of the anti-sinking plate (21) on the outermost side, mounting blocks (230) are arranged on the mounting rods (23), and the mounting blocks (230) can be mounted on the connecting seat (3);
the anti-sinking plate (21) comprises an upper layer (211) and an anti-sinking lower layer (212), the upper layer (211) is made of a light plastic steel plate, and the anti-sinking lower layer (212) is made of a buoy made of PVC plastic, the interior of the buoy is a cavity, and the bottom of the buoy is arc-shaped;
the connecting seat (3) comprises a connecting plate (31) and a connecting assembly (32); the two connecting components (32) are arranged on two opposite sides of the upper end of the connecting plate (31);
the external device is an unmanned aerial vehicle or a sampling rod assembly.
2. The device for detecting and sampling the bottom mud containing organic pollutants in the river according to claim 1, wherein a soil sampling head is adopted as the sampling head (10).
3. The device for detecting and sampling the bottom sediment containing organic pollutants in the river according to claim 1, wherein the sampling head (10) adopts a sampling grab bucket, a servo motor acting on the sampling grab bucket is arranged on the sampling grab bucket, and the sampling grab bucket is in an open-close type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910857651.5A CN110455581B (en) | 2019-09-09 | 2019-09-09 | Detection sampling device for organic pollutant-containing bottom mud in river |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910857651.5A CN110455581B (en) | 2019-09-09 | 2019-09-09 | Detection sampling device for organic pollutant-containing bottom mud in river |
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| Publication Number | Publication Date |
|---|---|
| CN110455581A CN110455581A (en) | 2019-11-15 |
| CN110455581B true CN110455581B (en) | 2022-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910857651.5A Expired - Fee Related CN110455581B (en) | 2019-09-09 | 2019-09-09 | Detection sampling device for organic pollutant-containing bottom mud in river |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115266244B (en) * | 2022-07-28 | 2023-05-05 | 生态环境部南京环境科学研究所 | Portable investigation sampling device for river sediment |
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2019
- 2019-09-09 CN CN201910857651.5A patent/CN110455581B/en not_active Expired - Fee Related
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|---|---|---|---|---|
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| CN110455581A (en) | 2019-11-15 |
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