CN215449270U - Earthworm field experiment device for in-situ diagnosis of soil pollution - Google Patents
Earthworm field experiment device for in-situ diagnosis of soil pollution Download PDFInfo
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- CN215449270U CN215449270U CN202121760222.5U CN202121760222U CN215449270U CN 215449270 U CN215449270 U CN 215449270U CN 202121760222 U CN202121760222 U CN 202121760222U CN 215449270 U CN215449270 U CN 215449270U
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Abstract
The utility model discloses an earthworm field experiment device for in-situ diagnosis of soil pollution, which relates to the technical field of soil pollution detection. The utility model relates to an earthworm field experiment device for in-situ diagnosis of soil pollution, which is characterized in that a screen is arranged at the bottleneck of an experiment bottle, the screen can be detached and installed through a detaching screw, earthworms can be prevented from escaping through the screen and external falling objects can be prevented from entering the experiment bottle, the stability of the substances in the experiment bottle can be ensured, the detection result is more accurate, the experiment bottle is connected with a connecting plate through the arrangement of the experiment bottle, the connecting plate is fixed in a foundation, the foundation is heavier and is not easy to move by external force, when one part of the experiment bottle is buried into the ground, the experiment bottle on the foundation can be ensured not to be influenced when soil collapses and the like, and the accuracy of the experiment can be ensured.
Description
Technical Field
The utility model relates to the technical field of soil pollution detection, in particular to an earthworm field experiment device for in-situ diagnosis of soil pollution.
Background
The soil is a loose surface layer which has fertility on the surface of the land and can grow plants, the thickness of the soil is about 2 meters generally, the soil pollution can be roughly divided into inorganic pollutants and organic pollutants, the inorganic pollutants mainly comprise acid, alkali, heavy metal, salts and radioactive elements, and the organic pollutants mainly comprise organic pesticides, petroleum, phenols, cyanides and the like.
Because various factors may limit the authenticity and reliability of the result of the bioassay by using the in-situ soil, the control experiment in the laboratory is usually carried out under the optimal living environment, so that the relation between pollutants and toxic effects is more definite, but the possible influence of environmental factors on the experimental result is ignored, so that the experimental result cannot completely and truly reflect the situation of the actual environment. Furthermore, the exposure time of laboratory experiments is mostly limited to 14 days or 28 days at present, however, some soils with low pollution degree often hardly show accumulated toxicity to the tested organism in bioassay with short exposure time, and the toxic effect of the pollutant can be shown only when the pollutant is accumulated to a certain degree in the body. Finally, the current earthworm ecotoxicology experiments mostly focus on the OECD recommended earthworm Eisenia fetida, however, the species belongs to an epibiotic species growing on the soil surface, and mainly takes animal excrement and droppings as a main food source. Therefore, the validity of the toxicological test results of Eisenia fetida as a test organism is questioned. Furthermore, toxicological testing of a single species also tends to neglect possible competing relationships between different species.
When the experimental device is buried in soil in the prior art, the geological features of some places are not stable enough, the device is prone to position deviation, so that the detection is inaccurate, and foreign objects fall into the device easily, so that the earthworm field experimental device for in-situ diagnosis of soil pollution is provided.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide an earthworm field experiment device for in-situ diagnosis of soil pollution, which can effectively solve the problems that the device in the background technology is easy to generate position deviation, so that the detection is inaccurate, foreign objects are easy to fall into the device, and the like.
In order to solve the technical problems, the utility model is realized by the following technical scheme: an earthworm field experiment device for in-situ diagnosis of soil pollution comprises an experiment bottle, a stabilizing component arranged below the experiment bottle and a screening component arranged above the experiment bottle, wherein Eisenia foetida and Eisenia williamsii are filled in the experiment bottle;
the stabilizing assembly comprises a connecting plate, foundations and fixing bolts, the connecting plate is arranged below the experiment bottles, four rotating grooves are arranged below the foundations and are arranged in a circumferential array, one fixing bolt is movably arranged in each rotating groove, the four fixing bolts penetrate through the connecting plate, the fixing bolts are screwed into the rotating grooves to fix the connecting plate and the foundations, the foundations are heavy, and the experiment bottles connected with the connecting plate cannot easily topple over;
the screening subassembly includes frame, screen cloth and dismouting screw, the frame sets up in the experiment bottle top, the screen cloth is installed inside the frame, the experiment bottle top is equipped with the bottleneck, the screen cloth position is corresponding with the bottleneck, the dismouting screw is equipped with four, four the dismouting screw passes the frame activity and sets up in the experiment bottle top, through set up the screen cloth in bottleneck department, prevents that the earthworm from escaping and the external thing that drops gets into the experiment bottle.
Preferably, the experiment bottle is of a cylindrical structure and is hollow inside, and the cross section of the bottle mouth is circular.
Preferably, the stabilizing assembly comprises nuts, each fixing bolt is movably provided with one nut, and the nuts are screwed into the fixing bolts to fix the fixing bolts.
Preferably, the screening subassembly still includes the reference column, the laboratory flask top is equipped with four reference columns, and four reference columns equidistance are the circumference array and arrange, set up in four locating holes of four reference column position one-to-ones on the frame, carry out the location of position through reference column cooperation locating hole.
Preferably, the outer wall of the experiment bottle is provided with a connecting column and is close to the bottle opening, and a connecting block is arranged at one end, far away from the experiment bottle, of the connecting column.
Preferably, two sides of the connecting column adjacent to the connecting block are respectively and movably provided with a rotating shaft, the rotating shafts are arranged along the central shaft of the connecting block in an axisymmetric manner, and the rotating shafts rotate on the connecting block.
Preferably, the experiment bottle top is equipped with the seal assembly, the seal assembly includes fixed block, fixed screw and bottle lid, fixed block and fixed screw all are equipped with two, every the fixed block is installed on the rotation axis through a fixed screw, two the one end that the rotation axis was kept away from to the fixed block all is fixed with the bottle lid, installs the fixed block on the rotation axis through fixed screw to it is rotatory through the rotation axis, make the bottle lid rotate and open and shut.
The utility model has the following beneficial effects:
1. according to the utility model, the screen is arranged at the bottleneck of the experiment bottle, the screen can be detached and installed through the detaching screw, earthworms can be prevented from escaping through the screen and external falling objects can be prevented from entering the experiment bottle, the stability of substances in the experiment bottle is ensured, and the detection result is more accurate.
2. According to the utility model, the experiment bottles are connected with the connecting plate, the connecting plate is fixed in the foundation, the foundation has larger weight and is not easy to move by external force, when a part of the experiment bottles are buried in the ground bottom, when soil collapses, the experiment bottles on the foundation can be ensured not to be influenced, and the accuracy of the experiment is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the overall structure of an earthworm field experimental device for in-situ diagnosis of soil pollution according to the utility model;
FIG. 2 is a schematic diagram of an elevated structure of an earthworm field experimental facility for in situ diagnosis of soil pollution according to the present invention;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2 in accordance with the present invention;
FIG. 4 is a cross-sectional view taken at B-B of FIG. 2 in accordance with the present invention;
FIG. 5 is an enlarged view of a portion of the utility model shown at B in FIG. 3.
In the drawings, the components represented by the respective reference numerals are listed below:
110. an experimental bottle; 210. a connecting plate; 220. a foundation; 230. fixing the bolt; 240. a nut; 310. a frame; 320. screening a screen; 330. disassembling and assembling screws; 340. a positioning column; 350. positioning holes; 410. connecting columns; 420. connecting blocks; 430. a rotating shaft; 510. a fixed block; 520. fixing screws; 530. and (7) a bottle cap.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-5, the present invention is an earthworm field experiment device for in situ diagnosis of soil pollution, comprising an experiment bottle 110, a stabilizing component disposed below the experiment bottle 110, and a screening component disposed above the experiment bottle 110, wherein 6 eisenia foetida and 4 lumbricus are filled in the experiment bottle 110;
the stabilizing assembly comprises a connecting plate 210, a foundation 220 and fixing bolts 230, the connecting plate 210 is arranged below the experiment bottles 110, four rotating grooves are arranged below the foundation 220, the four rotating grooves are arranged in a circumferential array, one fixing bolt 230 is movably arranged in each rotating groove, the four fixing bolts 230 are arranged by penetrating through the connecting plate 210, the fixing bolts 230 are screwed into the rotating grooves to fix the connecting plate 210 and the foundation 220, and the foundation 220 is heavy and can keep the experiment bottles 110 connected with the connecting plate 210 from easily toppling;
the screening subassembly includes frame 310, screen cloth 320 and dismouting screw 330, frame 310 sets up in experiment bottle 110 top, screen cloth 320 is installed inside frame 310, experiment bottle 110 top is equipped with the bottleneck, screen cloth 320 position is corresponding with the bottleneck, dismouting screw 330 is equipped with four, four dismouting screws 330 pass frame 310 activities and set up in experiment bottle 110 top, through set up screen cloth 320 in bottleneck department, prevent that the earthworm from escaping and the foreign thing that drops gets into experiment bottle 110.
Further, the experiment bottle 110 is a cylinder structure and has a hollow interior, and the cross section of the bottle mouth is circular.
Further, the stabilizing assembly includes nuts 240, each fixing bolt 230 is movably provided with one nut 240, and the nuts 240 are screwed into the fixing bolts 230 to fix the fixing bolts 230.
Further, the screening assembly further comprises positioning columns 340, four positioning columns 340 are arranged at the top of the experiment bottle 110, the four positioning columns 340 are arranged in a circumferential array at equal intervals, four positioning holes 350 corresponding to the four positioning columns 340 in one-to-one correspondence are arranged on the frame 310, and the positioning columns 340 are matched with the positioning holes 350 to position.
Further, the outer wall of the experiment bottle 110 is provided with a connecting column 410, and is close to the bottle mouth, and one end of the connecting column 410, which is far away from the experiment bottle 110, is provided with a connecting block 420.
Further, two rotating shafts 430 are movably disposed on two sides of the connecting column 410 adjacent to the connecting block 420, the rotating shafts 430 are axially symmetrically disposed along the central axis of the connecting block 420, and the rotating shafts 430 rotate on the connecting block 420.
Further, a sealing assembly is arranged above the experiment bottle 110, the sealing assembly comprises two fixing blocks 510, two fixing screws 520 and two bottle caps 530, each fixing block 510 is mounted on the rotating shaft 430 through one fixing screw 520, the bottle caps 530 are fixed to the ends, far away from the rotating shaft 430, of the two fixing blocks 510, the fixing blocks 510 are mounted on the rotating shaft 430 through the fixing screws 520, and the bottle caps 530 are rotated and opened through the rotation of the rotating shaft 430.
When the personnel use, through the connecting plate 210 adhesion in the experiment bottle 110 bottom, reuse fixing bolt 230 with connecting plate 210 fix on ground 220, bury experiment bottle 110 in together with ground 220 in the soil, and experiment bottle 110 spills ground 10 centimetres, 6 eisenia foetida and 4 william chamberis lumbricus are packed into in the experiment bottle 110, set up screen cloth 320 in experiment bottle 110 bottleneck department, screen cloth 320 can be dismantled and install through dismouting screw 330, can prevent through screen cloth 320 that the earthworm from escaping and the external thing that drops gets into experiment bottle 110, when experiment bottle 110 does not carry out the experiment, in order to keep experiment bottle 110 clean and tidy, set up bottle lid 530 and seal experiment bottle 110, when carrying out the experiment, only need spin out the fixed screw 520 on the fixed block 510, can dismantle fixed block 510 and bottle lid 530.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. An earthworm field experiment device for in-situ diagnosis of soil pollution is characterized by comprising an experiment bottle (110), a stabilizing assembly arranged below the experiment bottle (110), and a screening assembly arranged above the experiment bottle (110);
the stabilizing assembly comprises a connecting plate (210), foundations (220) and fixing bolts (230), the connecting plate (210) is arranged below the experiment bottle (110), four rotating grooves are arranged below the foundations (220), the four rotating grooves are arranged in a circumferential array, one fixing bolt (230) is movably arranged in each rotating groove, and the four fixing bolts (230) penetrate through the connecting plate (210);
screening subassembly includes frame (310), screen cloth (320) and dismouting screw (330), frame (310) set up in experiment bottle (110) top, screen cloth (320) are installed inside frame (310), experiment bottle (110) top is equipped with the bottleneck, screen cloth (320) position is corresponding with the bottleneck, dismouting screw (330) are equipped with four, four dismouting screw (330) pass frame (310) activity and set up in experiment bottle (110) top.
2. The earthworm field experiment device for in-situ diagnosis of soil pollution as claimed in claim 1, wherein: the experiment bottle (110) is of a cylindrical structure and is hollow inside, and the cross section of the bottle mouth is circular.
3. The earthworm field experiment device for in-situ diagnosis of soil pollution as claimed in claim 1, wherein: the stabilizing assembly comprises nuts (240), and each fixing bolt (230) is movably provided with one nut (240).
4. The earthworm field experiment device for in-situ diagnosis of soil pollution as claimed in claim 1, wherein: screening subassembly still includes reference column (340), laboratory flask (110) top is equipped with four reference columns (340), and four reference columns (340) equidistance be the circumference array and arrange, set up in four locating hole (350) of four reference column (340) position one-to-one on frame (310).
5. The earthworm field experiment device for in-situ diagnosis of soil pollution as claimed in claim 1, wherein: the outer wall of the experiment bottle (110) is provided with a connecting column (410) and is close to the bottle opening, and one end, far away from the experiment bottle (110), of the connecting column (410) is provided with a connecting block (420).
6. The earthworm field experiment device for in-situ diagnosis of soil pollution according to claim 5, wherein: two sides of the connecting column (410) adjacent to the connecting block (420) are respectively and movably provided with a rotating shaft (430), and the rotating shafts (430) are arranged axially symmetrically along the central shaft of the connecting block (420).
7. The earthworm field experiment device for in-situ diagnosis of soil pollution as claimed in claim 1, wherein: experiment bottle (110) top is equipped with the seal assembly, the seal assembly includes fixed block (510), set screw (520) and bottle lid (530), fixed block (510) and set screw (520) all are equipped with two, every fixed block (510) are installed on rotation axis (430) through a set screw (520), two the one end that rotation axis (430) were kept away from in fixed block (510) all is fixed with bottle lid (530).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121760222.5U CN215449270U (en) | 2021-07-30 | 2021-07-30 | Earthworm field experiment device for in-situ diagnosis of soil pollution |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121760222.5U CN215449270U (en) | 2021-07-30 | 2021-07-30 | Earthworm field experiment device for in-situ diagnosis of soil pollution |
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| CN215449270U true CN215449270U (en) | 2022-01-07 |
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| CN202121760222.5U Active CN215449270U (en) | 2021-07-30 | 2021-07-30 | Earthworm field experiment device for in-situ diagnosis of soil pollution |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114935633A (en) * | 2022-04-28 | 2022-08-23 | 广西卫生职业技术学院 | Biological test experimental device for mangosteen water decoction |
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2021
- 2021-07-30 CN CN202121760222.5U patent/CN215449270U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114935633A (en) * | 2022-04-28 | 2022-08-23 | 广西卫生职业技术学院 | Biological test experimental device for mangosteen water decoction |
| CN114935633B (en) * | 2022-04-28 | 2023-09-22 | 广西卫生职业技术学院 | Biological test experimental device for mangosteen water decoction |
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