CN220508428U - DGT soil sediment sampling fixing device - Google Patents
DGT soil sediment sampling fixing device Download PDFInfo
- Publication number
- CN220508428U CN220508428U CN202321757097.1U CN202321757097U CN220508428U CN 220508428 U CN220508428 U CN 220508428U CN 202321757097 U CN202321757097 U CN 202321757097U CN 220508428 U CN220508428 U CN 220508428U
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- China
- Prior art keywords
- dgt
- cover plate
- soil
- fixedly connected
- side wall
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- 239000002689 soil Substances 0.000 title claims abstract description 52
- 238000005070 sampling Methods 0.000 title claims abstract description 32
- 239000013049 sediment Substances 0.000 title claims abstract description 32
- 230000002262 irrigation Effects 0.000 claims description 26
- 238000003973 irrigation Methods 0.000 claims description 26
- 238000007789 sealing Methods 0.000 claims description 4
- 239000012780 transparent material Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000005527 soil sampling Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a DGT soil sediment sampling and fixing device, which comprises: the soil fixing unit comprises a containing box and a mounting beam fixedly mounted on the inner wall of the containing box, wherein the mounting beam is fixedly connected with a corresponding cover plate through a plurality of groups of uniformly distributed fastening bolts, and a DGT sampler is arranged right below the cover plate; the adjusting and moving unit comprises two fixed lugs fixedly connected with two ends of the lower side wall of the cover plate and a servo motor fixedly mounted on one fixed lug, an output shaft of the servo motor penetrates through one fixed lug to be fixedly connected with a corresponding threaded rod, a threaded block in sliding connection with the cover plate is connected to the threaded rod in a threaded mode, and an electric sliding rail is longitudinally arranged on the lower side wall of the threaded block in a fixedly connected mode. According to the utility model, soil sediment in the storage box can be sampled in a plurality of areas, so that the sampling result is ensured to be representative, and the error of DGT sampling is reduced.
Description
Technical Field
The utility model relates to the technical field of soil sampling, in particular to a DGT soil sediment sampling and fixing device.
Background
DGT means that the gradient diffusion film technology can effectively determine the biological effective state of heavy metals in nature, and compared with other traditional morphological analysis technologies, the DGT can better reflect heavy metals absorbed by organisms, and can estimate the dynamic parameters of the soil dynamic process, thereby being capable of better evaluating the importance of the soil dynamic process,
the traditional DGT is mainly applied to water, and the sampling work in soil can be performed only by an aqueous medium. The soil can meet the requirement only by water saturation of more than 80%, so that the application range of field on-site sampling in the field is narrow, the soil sampling laboratory is used for soaking the soil in purified water, the DGT sampler is buried in the soil after the soil is saturated with water, and a corresponding DGT soil sediment sampling fixing device is inevitably required in the DGT soil sampling process.
Patent document with publication number CN219084465U discloses a DGT soil deposit sampling fixing device, including holding the box, the inboard symmetry that holds the box is provided with two mounting panels, two the mounting panel all with hold box fixed mounting, the inboard that holds the box is provided with the apron, the symmetry runs through on the apron and is provided with two and drips irrigation the standpipe, two drip irrigation and connect through drip irrigation the connecting pipe between the standpipe, the lower extreme of apron is provided with the erection column, the lower extreme fixed mounting of erection column has the DGT sampler. The utility model can adjust the height position of the drop irrigation vertical pipe according to the requirement, can avoid that the soil is just surface moist, and achieves the purpose of full moist, thereby being convenient for the DGT sampler to sample better.
The above patent still has some defects in practical use: because soil sediment is located and holds that the infiltration degree of box different regions by the pure water is different, in addition, still receive the DGT soil sampling result of the soil sediment of other factors influence that lead to different regions easily, above-mentioned patent DGT sampler position is fixed, can not sample the soil sediment of different regions, leads to DGT soil testing result to be non-representative easily, appears great error easily.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the utility model, which should not be used to limit the scope of the utility model.
The present utility model has been made in view of the above-mentioned problems with the prior art DGT soil sediment sampling fixing device.
Therefore, the utility model aims to provide a DGT soil sediment sampling fixing device, which is suitable for solving the problems that the position of a sampler is fixed, soil sediment in different areas cannot be sampled, the DGT soil detection result is not representative easily, and large errors are easy to occur.
In order to solve the technical problems, the utility model provides the following technical scheme: a DGT soil sediment sampling fixture comprising:
the soil fixing unit comprises a containing box and a mounting beam fixedly mounted on the inner wall of the containing box, wherein the mounting beam is fixedly connected with a corresponding cover plate through a plurality of groups of uniformly distributed fastening bolts, and a DGT sampler is arranged right below the cover plate;
the adjusting and moving unit comprises two fixed lugs fixedly connected to two ends of the lower side wall of the cover plate and a servo motor fixedly mounted on one fixed lug, an output shaft of the servo motor penetrates through a threaded rod corresponding to one fixed lug fixedly connected with the other fixed lug, a threaded block is connected to the threaded rod in a threaded mode and is in sliding connection with the cover plate, an electric sliding rail is longitudinally arranged on the lower side wall of the threaded block in a fixedly connected mode, a corresponding electric sliding sleeve is sleeved on the electric sliding rail in a sliding mode, and the lower side wall of the electric sliding sleeve is fixedly connected with the DGT sampler through a first electric telescopic rod.
As a preferred embodiment of the DGT soil sediment sampling fixing device according to the present utility model, wherein: the fixing device further comprises a drip irrigation unit, the drip irrigation unit comprises a second electric telescopic rod fixedly installed at the center of the upper side wall of the cover plate and a hollow box rotatably installed at the top end of the electric telescopic rod, connecting nozzles fixedly communicated with the center of the upper end of the hollow box, corresponding drip irrigation pipes are fixedly communicated with the two ends of the lower side wall of the hollow box, a plurality of groups of drip irrigation holes which are uniformly distributed are formed in the side wall of the drip irrigation pipe, through holes matched with the drip irrigation holes are formed in the cover plate, and a plugging cover matched with the through holes is rotatably connected to the upper side wall of the cover plate.
As a preferred embodiment of the DGT soil sediment sampling fixing device according to the present utility model, wherein: the diameter of the plugging cover is one to one half times of the diameter of the through hole, and the fixing pad on the lower side wall of the plugging cover is provided with a sealing gasket with uniform thickness.
As a preferred embodiment of the DGT soil sediment sampling fixing device according to the present utility model, wherein: the lower end of the first electric telescopic rod is fixedly connected with a mounting plate, and the mounting plate is fixedly connected with the DGT sampler through a plurality of groups of uniformly distributed positioning bolts.
As a preferred embodiment of the DGT soil sediment sampling fixing device according to the present utility model, wherein: the containing box is made of transparent materials, and the mounting beam is U-shaped.
As a preferred embodiment of the DGT soil sediment sampling fixing device according to the present utility model, wherein: the thread blocks are in sliding connection with the cover plate through a plurality of groups of limit sliding blocks and limit sliding grooves which are uniformly distributed.
The utility model has the beneficial effects that: when soil sediment in different areas in the containing box needs to be sampled by DGT, the output shaft of the servo motor is controlled to drive the threaded rod to rotate at the moment, the threaded block in threaded connection with the threaded rod drives the electric sliding rail and the DGT sampler to transversely move, and the DGT sampler can be longitudinally adjusted in the longitudinal direction through the cooperation of the electric sliding rail and the electric sliding sleeve, so that the soil sediment in the containing box is sampled in a plurality of areas, the sampling result is guaranteed to be representative, and the error of DGT sampling is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
FIG. 1 is a schematic diagram of the overall structure of a DGT soil sediment sampling and fixing device according to the present utility model;
FIG. 2 is a schematic diagram of a structure of an adjusting and moving unit of a DGT soil sediment sampling and fixing device according to the present utility model;
fig. 3 is a schematic diagram of a drip irrigation unit of the DGT soil sediment sampling and fixing device according to the present utility model.
Description of the drawings: 100 soil fixing units, 101 containing boxes, 102 mounting beams, 103 cover plates, 104 fastening bolts, 105DGT samplers, 200 adjusting and moving units, 201 fixing lugs, 202 servo motors, 203 threaded rods, 204 threaded blocks, 205 electric sliding rails, 206 electric sliding sleeves, 207 first electric telescopic rods, 208 mounting plates, 300 drip irrigation units, 301 second electric telescopic rods, 302 hollow boxes, 303 connecting nozzles, 304 drip irrigation pipes, 305 through holes and 306 plugging covers.
Detailed Description
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Further, in describing the embodiments of the present utility model in detail, the cross-sectional view of the device structure is not partially enlarged to a general scale for convenience of description, and the schematic is only an example, which should not limit the scope of protection of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
Referring to fig. 1-3, for one embodiment of the present utility model, there is provided a DGT soil sediment sampling fixture comprising: soil fixing unit 100, regulating moving unit 200 and drip irrigation unit 300.
The soil fixing unit 100 comprises a containing box 101 and a mounting beam 102 fixedly mounted on the inner wall of the containing box 101, the containing box 101 is made of transparent materials, the mounting beam 102 is U-shaped, the containing box 101 made of the transparent materials is convenient for workers to adjust the positions of the DGT samplers 105, soil sediments in different areas in the containing box 101 are sampled, the mounting beam 102 is fixedly connected with corresponding cover plates 103 through a plurality of groups of uniformly distributed fastening bolts 104, and the DGT samplers 105 are arranged right below the cover plates 103;
the adjusting and moving unit 200 comprises two fixing lugs 201 fixedly connected to two ends of the lower side wall of the cover plate 103 and a servo motor 202 fixedly installed on one fixing lug 201, an output shaft of the servo motor 202 penetrates through one fixing lug 201 to be fixedly connected with a corresponding threaded rod 203, a threaded block 204 in sliding connection with the cover plate 103 is connected to the threaded rod 203 in a threaded mode, the threaded block 204 and the cover plate 103 are in sliding connection with each other through a plurality of groups of uniformly distributed limiting sliding blocks and limiting sliding grooves, the limiting sliding blocks and the limiting sliding grooves can move on the threaded rod 203 to limit, an electric sliding rail 205 is fixedly connected to the lower side wall of the threaded block 204 in a longitudinal mode, a corresponding electric sliding sleeve 206 is sleeved on the electric sliding rail 205 in a sliding mode, the lower side wall of the electric sliding sleeve 206 is fixedly connected with the DGT sampler 105 through a first electric telescopic rod 207, the lower end of the first electric telescopic rod 207 is fixedly connected with a mounting plate 208, the mounting plate 208 is fixedly connected with the DGT sampler 105 through a plurality of groups of uniformly distributed positioning bolts, and the DGT sampler 105 is convenient to replace and overhaul the DGT sampler 105 through the cooperation of the mounting plate and the positioning bolts, and when the DGT sampler 105 fails, the whole apparatus is not required to be replaced.
The drip irrigation unit 300 comprises a second electric telescopic rod 301 fixedly arranged at the center of the upper side wall of the cover plate 103 and a hollow box 302 rotatably arranged at the top end of the electric telescopic rod, connecting nozzles 303 fixedly communicated with the center of the upper end of the hollow box 302, corresponding drip irrigation pipes 304 are fixedly communicated with the two ends of the lower side wall of the hollow box 302, a plurality of groups of drip irrigation holes which are uniformly distributed are formed in the side wall of the drip irrigation pipes 304, through holes 305 matched with the drip irrigation holes are formed in the cover plate 103, a plugging cover 306 matched with the through holes 305 is rotatably connected to the upper side wall of the cover plate 103, the diameter of the plugging cover 306 is one to one five times of the diameter of the through holes 305, a sealing gasket with uniform thickness is arranged on a fixed pad on the lower side wall of the plugging cover 306, the sealing gasket enhances the plugging effect of the plugging cover 306 on the through holes 305, and effectively overcomes the defect that external pollutants easily enter the containing box 101 through the through holes 305 to pollute soil sediment so as to cause larger errors in detection results, and the hollow box 302, the drip irrigation pipes 304 are matched with the connecting nozzles 303 and the through holes 305, so that the efficiency of soil is improved.
During the use, when needing to carry out DGT to the soil deposit that holds the box 101 in different regions, control servo motor 202 output shaft drive threaded rod 203 rotation this moment, with threaded rod 203 threaded connection's screw thread piece 204 drive electric slide rail 205 and DGT sample thief 105 at lateral shifting, through electric slide rail 205 and electric sliding sleeve 206's cooperation, can carry out longitudinal regulation to DGT sample thief 105 in the longitudinal direction, thereby sample the soil deposit that holds in the box 101 in a plurality of regions, ensure that the sampling result possesses representatively, the error of DGT sampling has been reduced.
It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.
Claims (6)
1. A DGT soil sediment sampling fixture, comprising:
the soil fixing unit (100) comprises a containing box (101) and a mounting beam (102) fixedly mounted on the inner wall of the containing box (101), wherein the mounting beam (102) is fixedly connected with a corresponding cover plate (103) through a plurality of groups of uniformly distributed fastening bolts (104), and a DGT sampler (105) is arranged under the cover plate (103);
adjust mobile unit (200), it includes two fixed lugs (201) of fixed connection at apron (103) lower lateral wall both ends and servo motor (202) of fixed mounting on a fixed lug (201), servo motor (202) output shaft runs through a fixed lug (201) fixedly connected with threaded rod (203) that corresponds, threaded piece (204) of threaded rod (203) upper thread connection with apron (103) sliding connection, lateral wall fixedly connected with vertically set up electronic slide rail (205) under threaded piece (204), the cover is equipped with corresponding electronic sliding sleeve (206) on electronic slide rail (205), electronic sliding sleeve (206) lower lateral wall is through first electric telescopic handle (207) and DGT sample thief (105) fixed connection.
2. The DGT soil sediment sampling fixture according to claim 1, wherein: the fixing device further comprises a drip irrigation unit (300), the drip irrigation unit comprises a second electric telescopic rod (301) fixedly installed at the center of the upper side wall of the cover plate (103) and a hollow box (302) rotatably installed at the top end of the electric telescopic rod, connecting nozzles (303) fixedly communicated with the center of the upper end of the hollow box (302), drip irrigation pipes (304) corresponding to the two ends of the lower side wall of the hollow box (302) are fixedly communicated with each other, a plurality of groups of drip irrigation holes which are uniformly distributed are formed in the side wall of the drip irrigation pipes (304), through holes (305) matched with the drip irrigation holes are formed in the cover plate (103), and a plugging cover (306) matched with the through holes (305) is rotatably connected to the upper side wall of the cover plate (103).
3. The DGT soil sediment sampling fixture according to claim 2, wherein: the diameter of the plugging cover (306) is one to one half times of the diameter of the through hole (305), and a sealing gasket with uniform thickness is arranged on the fixing pad of the lower side wall of the plugging cover (306).
4. The DGT soil sediment sampling fixture according to claim 1, wherein: the lower end of the first electric telescopic rod (207) is fixedly connected with a mounting plate (208), and the mounting plate (208) is fixedly connected with the DGT sampler (105) through a plurality of groups of uniformly distributed positioning bolts.
5. The DGT soil sediment sampling fixture according to claim 1, wherein: the accommodating box (101) is made of transparent materials, and the mounting beam (102) is U-shaped.
6. The DGT soil sediment sampling fixture according to claim 1, wherein: the thread blocks (204) are in sliding connection with the cover plate (103) through a plurality of groups of limit sliding blocks and limit sliding grooves which are uniformly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321757097.1U CN220508428U (en) | 2023-07-06 | 2023-07-06 | DGT soil sediment sampling fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321757097.1U CN220508428U (en) | 2023-07-06 | 2023-07-06 | DGT soil sediment sampling fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220508428U true CN220508428U (en) | 2024-02-20 |
Family
ID=89878733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321757097.1U Active CN220508428U (en) | 2023-07-06 | 2023-07-06 | DGT soil sediment sampling fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220508428U (en) |
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2023
- 2023-07-06 CN CN202321757097.1U patent/CN220508428U/en active Active
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