CN112857906A - Device and method for sampling water quality soil for paddy field - Google Patents
Device and method for sampling water quality soil for paddy field Download PDFInfo
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- CN112857906A CN112857906A CN202110338387.1A CN202110338387A CN112857906A CN 112857906 A CN112857906 A CN 112857906A CN 202110338387 A CN202110338387 A CN 202110338387A CN 112857906 A CN112857906 A CN 112857906A
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- piston
- sampling
- container part
- soil
- paddy field
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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
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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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
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
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- Chemical & Material Sciences (AREA)
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- General Health & Medical Sciences (AREA)
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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a device and a method for sampling water quality soil for paddy fields, wherein the device structurally comprises a drawing part, a container part, a piston part and a handheld part; the drawing part is arranged in the container part, the tail end of the drawing part is connected with the piston part, and the top end of the drawing part extends out of the top end of the container part; the handheld part is arranged outside the top end of the container part; the bottom of the container part is provided with a closing device for closing the container part. The method comprises the following operation steps: after sampling, the container part is sealed by a sealing device; adjusting the piston part into a filter screen structure, and filtering the mud water; the piston part is adjusted to a closed structure, and the muddy water is separated. According to the soil sampling device, the double-layer piston can better extract muddy water in a paddy field by adopting the piston structure with the double-layer filter screen, and the staggered double-layer filter screen can separate liquid from soil; by adopting the sealing principle of the shutter mechanism, the muddy water is sealed in the collecting cylinder.
Description
Technical Field
The invention relates to the technical field of soil detection, in particular to a device and a method for sampling water quality soil for a paddy field.
Background
Scientific sampling is a precondition for developing pesticide environment risk monitoring, and if obvious defects exist in a sampling method and a sampling tool, the sample is inevitably separated from a real environment background, the problems of large residual value fluctuation, low reliability of a prediction result and the like occur, and further difficulty is brought to risk assessment. For example, in the aspect of pesticide environmental risk monitoring and sampling of paddy fields, the method for separately sampling the water and the soil on the field surface is adopted at present, the inherent relation between the water and the soil is virtually split, the defects of lack of field water layer depth parameters, poor overlapping performance of samples in a vertical space and the like exist, the result of sample residue detection can only be used as a general reference, and the rigid requirements of environmental prediction operation and risk prevention can not be met.
The patent of application No. 201510622729.7 discloses a paddy field environment monitoring sampler and a sampling method, the paddy field environment monitoring sampler comprises a scale guide pipe, a pipe seat, a sealing piston, a handle and a rack linkage device, wherein the rack linkage device comprises a movable wrench, a rack, a shifting piece reset spring and a movable shifting piece, the middle of the pipe seat is provided with a pipe seat rack hole, the pipe seat is connected with the handle through a screw, the handle is made by cutting and bending an iron sheet, the left end inside the handle is provided with the shifting piece reset spring, the right end of the shifting piece reset spring is connected with the movable shifting piece, the middle of the movable shifting piece is provided with a shifting piece rack hole, the lower part of the movable shifting piece is provided with a shifting piece tongue, the section of the movable wrench is U-shaped, the top of the movable wrench is provided with a wrench pin, and the left side of the wrench.
The field surface water and soil are respectively sampled by adopting various tools such as water bottles, soil drills, grab buckets and the like, and the defects of large number of tools for carrying and using, complicated operation procedures, large workload of operators, inaccurate sample position depth and the like exist.
Disclosure of Invention
In order to solve the problems, the invention provides a device and a method for sampling water soil for a paddy field.
A paddy field water quality soil sampling device comprises a drawing part, a container part, a piston part and a handheld part;
the drawing part is arranged in the container part, the tail end of the drawing part is connected with the piston part, and the top end of the drawing part extends out of the top end of the container part;
the handheld part is arranged outside the top end of the container part;
the bottom of the container part is provided with a closing device for closing the container part.
Furthermore, the structure of the container part comprises an outer cylinder and an inner cylinder, the inner cylinder is sleeved in the outer cylinder, and the outer cylinder is connected with the sealing device and controls the sealing device to work.
Furthermore, the closing device is of a shutter structure and comprises an upper baffle, a sliding plate and a lower baffle;
the sliding plate is arranged between the upper baffle plate and the lower baffle plate; the sliding plate consists of a plurality of sliding blocks;
the upper baffle plate is rotated to control the sliding blocks to shrink or disperse, so that the inner cylinder is closed or opened.
Furthermore, the outer cylinder is a transparent outer cylinder, and the content is a scale inner cylinder with scales.
Furthermore, the shutter device further comprises a rotating block, wherein the rotating block is arranged at one end, close to the handheld portion, of the transparent outer barrel, and the transparent outer barrel is conveniently controlled to rotate.
Furthermore, piston portion adopts two filter screen structures, including 2 layers of two-layer filter screen that filter hole position is the same, when the filtration pore of two-layer filter screen aligns, can filter, when the filtration pore dislocation, the filtration pore is sealed.
Furthermore, the double-filter-screen structure comprises an upper end piston and a lower end piston, wherein a plurality of protrusions are arranged on the outer edge of the upper end piston, a plurality of grooves are formed in the corresponding positions of the inner wall of the inner barrel, the protrusions are arranged in the grooves and can slide along the grooves, and the upper end piston can be ensured to be relatively fixed when the lower end piston rotates.
Furthermore, the device also comprises a handle which is arranged on the handheld part of the device through a fulcrum and is responsible for pressing the drawing part.
A method for sampling a water-based soil for paddy fields, the method comprising the steps of:
inserting the tail end of the container part into muddy water to be sampled, adjusting the piston part into a closed structure, drawing the drawing part, and sucking the muddy water into the container part through the piston part for sampling;
after sampling, the container part is sealed by a sealing device;
adjusting the piston part into a filter screen structure, and pressing the drawing part to filter the mud water;
the piston part is adjusted to a closed structure again, and the filtered sludge and water are separated.
Further, the method is realized by the following steps:
opening the closing device to open the container part;
and discharging the filtered mud out of the container part.
Compared with the prior art, the device and the method for sampling the water quality soil for the paddy field have the following beneficial effects:
according to the soil sampling device, the double-layer piston can better extract muddy water in a paddy field by adopting the piston structure with the double-layer filter screen, and the staggered double-layer filter screen can separate liquid from soil; by adopting the sealing principle of the shutter mechanism, the muddy water is sealed in the collecting cylinder.
Drawings
FIG. 1 is a front view of the sampling device of the present invention;
FIG. 2 is a schematic view of a baffle structure at the position A-A in FIG. 1;
FIG. 3 is a schematic view of the sliding plate at the position B-B in FIG. 1;
FIG. 4 is a schematic view of a lower baffle structure at the position C-C in FIG. 1;
FIG. 5 is a schematic view of the lower end piston of FIG. 1 at D-D;
FIG. 6 is a schematic view of the upper end of the piston at the position E-E in FIG. 1;
FIG. 7 is a schematic view of the inner barrel structure of the F-F scale in FIG. 1;
FIG. 8 is a front view of the slider;
FIG. 9 is a right side view of the slide;
FIG. 10 is a bottom view of the slider;
description of reference numerals:
1. handle, 2, pull rod, 3, separation blade, 4, spring district, 5, rotatory piece, 6, transparent urceolus, 7, scale inner tube, 8, fixed block, 9, upper end piston, 10, lower extreme piston, 11, last fixed block, 12, lower fixed block, 13, last baffle, 14, sliding plate, 15, lower baffle, 16, arch, 17, recess, 18, curved surface spout, 19, cylinder piece, 20, slider, 21, rectangular piece, 22, rectangle spout, 23, handle, 24 pull rod bellying.
Detailed Description
In order to better understand the technical scheme of the invention, the invention is further explained by combining the drawings and the specific embodiments in the specification.
Example 1:
as shown in figure 1, the device for sampling the water quality soil for the paddy field structurally comprises a drawing part, a container part, a piston part and a handheld part; the drawing part is arranged in the container part, the tail end of the drawing part is connected with the piston part, and the top end of the drawing part extends out of the top end of the container part; the handheld part is arranged outside the top end of the container part;
the bottom of the container part is provided with a closing device for closing the container part.
The structure of the container part comprises a transparent outer cylinder 6 and a scale inner cylinder 7, and the water quality and soil at any depth required to be collected can be clearly seen on the scale inner cylinder 7 through the transparent outer cylinder 6.
As shown in fig. 2, 3 and 4, the closing device is of a shutter structure, and comprises an upper baffle 13, a sliding plate 14 and a lower baffle 15, and the main function of the closing device is to facilitate the sealing of the calibration inner cylinder 7 of the collection device when the device is lifted out of the paddy field after collection is finished, so as to prevent the collected sample from flowing out of the calibration inner cylinder 7 of the collection device; the upper baffle 13 and the lower baffle 15 are of circular structures, the edge of the excircle of the circular ring is matched with the edge of the transparent outer cylinder 6, and the edge of the inner circle of the circular ring is matched with the edge of the scale inner cylinder 7; sliding plate 14 is disposed between upper baffle 13 and lower baffle 15; the sliding plate 14 is composed of a plurality of sliding blocks 20; one surface of each slide block 20 is provided with a cylindrical block 19; the other surface of the sliding block 20 is provided with a long block 21; the upper baffle 13 is provided with a plurality of curved surface sliding grooves 18, and the number of the curved surface sliding grooves 18 is the same as that of the sliding blocks 20; the cylindrical block 19 is arranged in the curved chute 18 and can slide in the curved chute; the lower baffle 15 is provided with a plurality of rectangular sliding grooves 22, and the number of the rectangular sliding grooves 22 is the same as that of the sliding blocks 20; the long strip block 21 is arranged in the rectangular sliding groove 22 and can slide in the rectangular sliding groove; the central angle formed by the two end points of the curved chute 18 and the rectangular chute 22 and the center of the circle is an acute angle, and the distances from the two end points to the center of the circle are different; the curved chutes 18 and the rectangular chutes 22 are respectively arranged at uniform intervals along the circumference.
As shown in fig. 8, 9 and 10, the slider 20 is shaped in a quadrangular structure consisting of two rectangular sides and two oblique sides (each long and short), when the slide plate is assembled, the short oblique sides of the quadrangle are arranged along the outer circumference, and the long oblique side is in contact with the long rectangular side, as shown in fig. 3;
the sampling device further comprises a rotating block 5, the rotating block 5 is arranged at one end, close to the handheld part, of the transparent outer cylinder 6, the rotating block 5 is connected with the outer edge of the upper baffle 13 through the transparent outer cylinder 6, the transparent outer cylinder 6 is conveniently controlled to rotate, and the upper baffle 13 is controlled to rotate; by rotating the rotating block 5, the transparent outer cylinder 6 drives the upper baffle 13 to rotate, so that the cylindrical block 19 on the sliding block 20 in the sliding plate 14 is driven to slide along the curved sliding groove 18 on the upper baffle 13, the long block 21 on the other surface of the sliding block 20 slides along the rectangular sliding groove 22 on the lower baffle 15, the sliding block contracts, and the scale inner cylinder 7 is sealed; when the rotation is reversed, the slide block spreads outward to open the scale inner cylinder 7.
The structure of the drawing part comprises a handle 1 and a pull rod 2; the piston part structurally comprises a fixed block 8, an upper end piston 9, a lower end piston 10, an upper fixed block 11 and a lower fixed block 12; the lower end piston 10 is fixed at the bottom of the pull rod 2 through an upper fixed block 11 and a lower fixed block 12; the fixed block 8 is arranged on the pull rod 2 and used for fixing the upper end piston 9 between the fixed block 8 and the upper fixed block 11 and moving left and right in the scale inner cylinder 7 along with the pull rod 2.
As shown in fig. 5 and 6, the upper end piston 9 and the lower end piston 10 adopt a filter screen structure;
the reason for adopting the filter screen structure is that collected water is filtered into the collecting cylinder from soil through the two-layer piston, and the two-layer piston formed by the upper end piston 9 and the lower end piston 10 is also used for separating water and soil.
As shown in fig. 6 and 7, a plurality of protrusions 16 are arranged on the outer edge of the upper end piston 9, a plurality of grooves 17 are arranged at corresponding positions inside the scale inner cylinder 7, and the protrusions 16 are arranged in the grooves 17 and can slide along the grooves 17;
the upper end piston 9 and the lower end piston 10 are fixed together through an upper fixing block 11, a lower fixing block 12 and a fixing block 8, and the adjacent surfaces of the upper end piston 9 and the lower end piston 10 are attached; a plurality of filter holes are respectively arranged at the corresponding positions of the upper end piston 9 and the lower end piston 10; when the pull rod 2 rotates, the lower end piston 10 rotates along with the pull rod 2; the upper end piston is kept relatively still due to the protrusion 16 arranged in the groove 17; when the filtering holes of the upper end piston 9 and the lower end piston 10 are staggered, a closed structure is formed; when the filter holes of the upper end piston 9 and the lower end piston 10 are aligned, a filter structure is formed. The device also comprises a baffle 3, a spring area 4 and a handle 23, wherein the spring area 4 is positioned at the tail end of the container part, and the baffle 3 is positioned between the handle 1 and the spring area 4; the handle 23 is positioned at the lower end of the spring area 4 and is arranged on the handheld part of the device through a fulcrum; the pull rod 2 is provided with a pull rod convex part 24 at the position of the spring area 4, and one end of the handle 23 is contacted with the pull rod convex part 24; when the handle 23 is pressed, the handle 23 rotates around the fulcrum, and one end of the handle presses the pull rod boss 24, so that the pull rod 2 moves downwards to discharge soil at the bottom of the container part out of the barrel.
Example 2
On the basis of embodiment 1, a method for sampling water soil for paddy fields comprises the following operation steps:
s1, inserting the device into muddy water, and observing the scales on the 7-scale inner cylinder through the 6-transparent outer cylinder, so that the water and soil at any depth to be collected can be clearly seen on the scale inner cylinder 7;
s2, rotating the handle 23 to make the filtering holes of the upper end piston 9 and the lower end piston 10 dislocated to form a closed structure;
s3, pressing the baffle 3, then lifting the handle 1 upwards, and sucking muddy water into the scale inner cylinder 7 on the principle that the lifting of a common inflator is air suction;
s4, after the handle 1 is lifted to a certain height, the rotating block 5 is twisted by hand, the rotating block 5 drives the upper baffle 13 of the shutter device to rotate, the cylindrical block 19 on the sliding block 20 in the sliding plate 14 is driven to slide along the curved sliding groove 18 on the upper baffle 13, the long block 21 on the other side of the sliding block 20 slides along the rectangular sliding groove 22 on the lower baffle 15, each sliding block 20 contracts towards the circle center, and the scale inner cylinder 7 is sealed;
s5, rotating the handle 23 to make the filtering holes of the upper end piston 9 and the lower end piston 10 opposite to each other to form a filtering structure;
s6, pressing the handle 1 downwards to form negative pressure at the upper end barrel of the scale inner barrel 7 separated by the double-layer piston so as to filter the collected water in the soil to the upper end of the filtering structure through the double-layer piston;
and S7, rotating the handle 1 to make the filter holes on the upper end piston 9 and the lower end piston 10 dislocated, and plugging the filter screens of the double-layer pistons to separate the separated liquid from the lower-layer soil.
The method implementation further comprises the steps of:
rotating the rotating block 5 to open the shutter structure at the lower end of the sampling device;
the handle 23 is pressed back and forth, so that the pull rod 2 pushes the double-layer piston to move downwards, and the collected soil is pushed out of the scale inner cylinder 7 to be collected;
then the pull rod 2 is screwed by hand, so that the filtering holes on the upper end piston 9 and the lower end piston 10 are aligned, and the separated liquid flows out of the scale inner cylinder 7 for collection, thereby realizing the separation and collection of soil and water in the paddy field.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (10)
1. The utility model provides a paddy field is with water quality soil sampling device which characterized in that: the device structurally comprises a drawing part, a container part, a piston part and a handheld part;
the drawing part is arranged in the container part, the tail end of the drawing part is connected with the piston part, and the top end of the drawing part extends out of the top end of the container part;
the handheld part is arranged outside the top end of the container part;
the bottom of the container part is provided with a closing device for closing the container part.
2. The device for sampling soil for paddy field according to claim 1, wherein:
the container part structurally comprises an outer cylinder and an inner cylinder, the inner cylinder is sleeved in the outer cylinder, and the outer cylinder is connected with the sealing device and controls the sealing device to work.
3. The device for sampling soil for paddy field according to claim 2, wherein:
the closing device is of a shutter structure and comprises an upper baffle (13), a sliding plate (14) and a lower baffle (15);
the sliding plate (14) is arranged between the upper baffle plate (13) and the lower baffle plate (15); the sliding plate (14) consists of a plurality of sliding blocks (20);
the upper baffle (13) is driven to rotate by the outer cylinder, and the sliding blocks (20) are controlled to contract or disperse, so that the inner cylinder is closed or opened.
4. The device for sampling soil for paddy field as claimed in claim 3, wherein:
the outer cylinder is a transparent outer cylinder (6), and the content is a scale inner cylinder (7) with scales.
5. The device for sampling soil for paddy field as claimed in claim 3, wherein:
the shutter device further comprises a rotating block (5), and the rotating block (5) is arranged at one end, close to the handheld portion, of the transparent outer cylinder (6).
6. The device for sampling soil for paddy field according to claim 2, wherein:
the piston part adopts two filter screen structures, including 2 layers of two-layer filter screen that filter hole position is the same, when the filtration pore of two-layer filter screen aligns, can filter, when the filtration pore dislocation, the filtration pore is sealed.
7. The device for sampling soil for paddy field according to claim 6, wherein:
the double-filter-screen structure comprises an upper end piston (9) and a lower end piston (10), wherein a plurality of protrusions (16) are arranged on the outer edge of the upper end piston (9), a plurality of grooves are formed in the corresponding positions of the inner wall of the inner barrel, the protrusions (16) are arranged in the grooves (17) and can slide along the grooves (17), and the upper end piston (9) can be ensured to be relatively fixed when the lower end piston (10) rotates.
8. The device for sampling soil for paddy field according to any one of claims 1 to 7, wherein:
the device also comprises a handle (23) which is arranged on the handheld part of the device through a fulcrum and is responsible for pressing the drawing part.
9. The method for sampling the water-based soil for paddy fields according to any one of the preceding claims, wherein the method comprises the following steps: the method comprises the following operation steps:
inserting the tail end of the container part into muddy water to be sampled, adjusting the piston part into a closed structure, drawing the drawing part, and sucking the muddy water into the container part through the piston part for sampling;
after sampling, the container part is sealed by a sealing device;
adjusting the piston part into a filter screen structure, and pressing the drawing part to filter the mud water;
the piston part is adjusted to a closed structure again, and the filtered sludge and water are separated.
10. The method for sampling water-quality soil for paddy fields according to claim 9, characterized in that: the implementation of the method further comprises the steps of:
opening the closing device to open the container part;
and discharging the filtered mud out of the container part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110338387.1A CN112857906A (en) | 2021-03-30 | 2021-03-30 | Device and method for sampling water quality soil for paddy field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110338387.1A CN112857906A (en) | 2021-03-30 | 2021-03-30 | Device and method for sampling water quality soil for paddy field |
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| Publication Number | Publication Date |
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| CN112857906A true CN112857906A (en) | 2021-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110338387.1A Withdrawn CN112857906A (en) | 2021-03-30 | 2021-03-30 | Device and method for sampling water quality soil for paddy field |
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| CN (1) | CN112857906A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113281493A (en) * | 2021-06-16 | 2021-08-20 | 张才民 | Soil restoration detection device |
| CN113514304A (en) * | 2021-07-20 | 2021-10-19 | 广东海洋大学 | Multistage even reducing mechanism of sample is used in laboratory analytical test |
| CN114264528A (en) * | 2021-12-25 | 2022-04-01 | 湖北省地质局第一地质大队 | A resin treatment section of thick bamboo and appearance liquid preparation facilities for effective phosphorus of soil detects |
| CN114323755A (en) * | 2021-12-27 | 2022-04-12 | 生态环境部南京环境科学研究所 | Multifunctional sampling device for collecting soil and underground water samples |
-
2021
- 2021-03-30 CN CN202110338387.1A patent/CN112857906A/en not_active Withdrawn
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113281493A (en) * | 2021-06-16 | 2021-08-20 | 张才民 | Soil restoration detection device |
| CN113281493B (en) * | 2021-06-16 | 2022-12-30 | 上海凯博环境能源计量检测中心(有限合伙) | Soil restoration detection device |
| CN113514304A (en) * | 2021-07-20 | 2021-10-19 | 广东海洋大学 | Multistage even reducing mechanism of sample is used in laboratory analytical test |
| CN113514304B (en) * | 2021-07-20 | 2022-09-23 | 广东海洋大学 | Multistage even reducing mechanism of sample is used in laboratory analytical test |
| CN114264528A (en) * | 2021-12-25 | 2022-04-01 | 湖北省地质局第一地质大队 | A resin treatment section of thick bamboo and appearance liquid preparation facilities for effective phosphorus of soil detects |
| CN114264528B (en) * | 2021-12-25 | 2023-10-20 | 湖北省地质局第一地质大队 | Resin treatment cylinder for detecting available phosphorus in soil and sample liquid preparation device |
| CN114323755A (en) * | 2021-12-27 | 2022-04-12 | 生态环境部南京环境科学研究所 | Multifunctional sampling device for collecting soil and underground water samples |
| CN114323755B (en) * | 2021-12-27 | 2022-06-24 | 生态环境部南京环境科学研究所 | Multifunctional sampling device for collecting soil and underground water samples |
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Application publication date: 20210528 |