CN113358397A - Quick sampling device that pesticide residue detected for soil remediation - Google Patents
Quick sampling device that pesticide residue detected for soil remediation Download PDFInfo
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- CN113358397A CN113358397A CN202110589987.5A CN202110589987A CN113358397A CN 113358397 A CN113358397 A CN 113358397A CN 202110589987 A CN202110589987 A CN 202110589987A CN 113358397 A CN113358397 A CN 113358397A
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- shaped
- bottom plate
- sampling device
- soil remediation
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
Abstract
The invention discloses a rapid sampling device for detecting pesticide residues for soil remediation, and relates to the technical field of soil sampling. The automatic lifting device comprises a bottom plate, wherein a placing table is fixed on the upper surface of a driving gear, a plurality of positioning holes are formed in the side surface of the bottom plate, an inserting rod is fixed on one side surface of a vertical rod, one end of the inserting rod is matched with the inner wall of the positioning hole, a transverse plate is fixedly connected between the upper ends of two vertical rods, a first T-shaped sliding groove is formed in the lower surface of the transverse plate, a lifting plate is arranged on the inner wall of the first T-shaped sliding groove in a sliding fit mode through a sliding block, a second T-shaped sliding groove is formed in the lower surface of the lifting plate, and the upper end of the vertical rod is in sliding fit with the inner wall of the second T-shaped sliding groove through the sliding block. According to the invention, through the design of the driving gear, the rack, the arc-shaped clamping plates, the threaded rod, the lantern ring, the limiting spring and the sample storage cylinder, the two arc-shaped clamping plates rotate inwards and compact the soil sample, so that the soil sample is prevented from separating from the two arc-shaped clamping plates, the soil sample can be rapidly collected, the automation degree is higher, and the soil sampling efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of soil sampling, and particularly relates to a rapid sampling device for detecting pesticide residues for soil remediation.
Background
Soil pesticide pollution not only destroys soil, but also pollutes water and air, and pollutants can harm human health through various ways. Pesticide pollution sites become serious environmental problems at present, the boundary of soil pollutants in the sites and the polluted soil volume are accurately defined, the important role is played in subsequent work such as risk assessment, restoration treatment and the like, and soil sampling is generally needed to be detected in the process of accurately defining the boundary of the soil pollutants in the sites and the polluted soil volume.
At present, when sampling soil, generally adopt manual sampling, this kind of sampling mode has following shortcoming: the sampling efficiency is low, and the damage to the original structure of the soil sample is large in the sampling process; in addition, in the process of drawing away after sampling is finished, the soil sample may be separated due to insufficient friction force between the soil and the sampler.
Disclosure of Invention
The invention aims to provide a rapid sampling device for detecting pesticide residues for soil remediation, which solves the problems of low efficiency and large damage to the original structure of a soil sample in the existing manual sampling by the design of a driving gear, a placing table, a rack, an arc-shaped clamp taking plate, a threaded rod and a lantern ring; and the friction force between the soil and the sampler is insufficient, so that the soil sample is separated.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a rapid sampling device for detecting pesticide residues for soil remediation, which comprises a bottom plate;
the upper surface of the bottom plate is provided with a sliding hole, the inner wall of the sliding hole is in sliding fit with an H-shaped sliding block, the lower surface of the H-shaped sliding block is fixedly provided with a driving motor, one end of an output shaft of the driving motor penetrates through the upper surface of the H-shaped sliding block and is fixedly provided with a driving gear, and the upper surface of the driving gear is fixedly provided with a placing table;
a telescopic rod is fixed on one side surface of the H-shaped sliding block, one end of the telescopic rod is fixedly connected with a vertical rod, one side surface of the vertical rod is in sliding fit with the side surface of the bottom plate, a plurality of positioning holes are formed in the side surface of the bottom plate, an inserting rod is fixed on one side surface of the vertical rod, and one end of the inserting rod is matched with the inner walls of the positioning holes;
the bottom plate upper surface symmetry is fixed with two montants, two fixedly connected with diaphragm between the montant upper end, first T type spout has been seted up to the diaphragm lower surface, first T type spout inner wall has the hanger plate through slider sliding fit, second T type spout has been seted up to the hanger plate lower surface, the pole setting upper end passes through slider and second T type spout inner wall sliding fit.
Furthermore, a limiting spring is fixedly connected to the inner end face of the first T-shaped sliding groove, and one end of the limiting spring is fixedly connected with the side face of the hanging plate.
Further, a plurality of placing grooves are formed in the upper surface of the placing table, and sample storage cylinders are placed on the inner walls of the placing grooves.
Furthermore, two third T-shaped chutes are symmetrically formed in the upper surface of the bottom plate, a support is connected between the inner walls of the third T-shaped chutes in a sliding mode, racks are fixedly connected to two inner side walls of the support, and one side face of each rack is meshed with the peripheral side face of the driving gear.
Furthermore, a hydraulic rod is installed at the top of the support, a hanging scaffold is fixed at the lower end of the hydraulic rod, and two arc-shaped clamping and taking plates are symmetrically hinged to the lower surface of the hanging scaffold.
Further, the two opposite inner side walls of the support are respectively fixed with an ear plate, a threaded rod is connected between the upper surface of each ear plate and the top of the support in a rotating mode, an inner thread ring is connected to the circumferential side face of each threaded rod in a threaded mode, and a connecting rod is fixedly connected to the circumferential side face of each inner thread ring.
Furthermore, a lantern ring is fixedly connected between one ends of the two connecting rods, and the inner wall of the lantern ring is in sliding fit with the outer walls of the two arc-shaped clamping plates.
Furthermore, two stepping motors are fixedly mounted at the top of the support, and one end of an output shaft of each stepping motor is fixedly connected with the upper end of the corresponding threaded rod.
Furthermore, the upper surface of the bottom plate is provided with a sampling through hole, and the upper surface of the transverse plate is fixed with a push handle.
Furthermore, the lower surface of the bottom plate is fixed with a supporting leg, and the lower end of the supporting leg is provided with a self-locking roller.
The invention has the following beneficial effects:
1. according to the invention, through the design of the driving gear, the rack, the arc-shaped clamping plates, the threaded rod and the lantern ring, the arc-shaped clamping plates are inserted into soil, so that a soil sample is positioned in the two arc-shaped clamping plates, the lantern ring descends and is sleeved at the top ends of the two arc-shaped clamping plates, the two arc-shaped clamping plates rotate inwards and compact the soil sample, the structure of the soil sample is prevented from being damaged, the friction force between the soil sample and the arc-shaped clamping plates is increased, the soil sample is prevented from being separated from the two arc-shaped clamping plates, then the arc-shaped clamping plates are driven by the hydraulic rod to ascend to take out the soil sample, the automation degree is higher, and the soil sampling efficiency is improved.
2. According to the invention, through the design of the H-shaped slider, the driving gear, the telescopic rod, the vertical rod, the positioning holes, the hanging plate, the limiting spring and the sample storage cylinder, the insertion rod on the side surface of the vertical rod is manually separated from one positioning hole of the bottom plate, the H-shaped slider drives the driving gear to move to the side surface of the other rack, then the vertical rod enables the insertion rod to be inserted into the other positioning hole of the bottom plate under the elastic force of the limiting spring, so that the position of the driving gear is fixed, then the driving gear drives the sampled arc-shaped clamping plate to move to the position above one sample storage cylinder of the placing table through the rack, the threaded rod drives the lantern ring to ascend and separate from the tops of the two arc-shaped clamping plates, the two arc-shaped clamping plates are loosened, the soil sample in the arc-shaped clamping plates falls into the sample storage cylinder of the placing table, the collected soil sample is conveniently stored, the soil sample can be rapidly collected, and the soil sampling efficiency is improved.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
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 structural diagram of a rapid sampling device for detecting pesticide residues for soil remediation;
FIG. 2 is a schematic bottom view of the present invention;
FIG. 3 is a schematic diagram of the right view structure of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a schematic bottom view of FIG. 3;
FIG. 6 is a structural elevation view of the present invention;
FIG. 7 is a side view of the structure of the present invention;
FIG. 8 is a top view of the structure of the present invention;
fig. 9 is a schematic structural view of the placement stage.
In the drawings, the components represented by the respective reference numerals are listed below:
1-bottom plate, 101-slide hole, 102-H type slide block, 103-driving motor, 104-driving gear, 105-placing table, 106-telescopic rod, 107-vertical rod, 108-positioning hole, 109-vertical rod, 110-transverse plate, 111-first T type slide groove, 112-hanging plate, 113-second T type slide groove, 114-limit spring, 115-placing groove, 116-sample storage barrel, 117-third T type slide groove, 118-bracket, 119-rack, 120-hydraulic rod, 121-hanging plate, 122-arc-shaped clamp taking plate, 123-lug plate, 124-threaded rod, 125-internal thread ring, 126-connecting rod, 127-lantern ring, 128-stepping motor, 129-sampling through hole, 130-pushing handle and 131-supporting leg.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, the present invention is a rapid sampling device for detecting pesticide residue for soil remediation, including a bottom plate 1, two third T-shaped chutes 117 are symmetrically formed on an upper surface of the bottom plate 1, a bracket 118 is slidably connected between inner walls of the two third T-shaped chutes 117, so that the bracket 118 can slide on the upper surface of the bottom plate 1, and the bracket 118 is prevented from being separated from the bottom plate 1, racks 119 are fixedly connected to two opposite inner side walls of the bracket 118, one side surface of each rack 119 is engaged with a peripheral side surface of a driving gear 104, so that the driving gear 104 can drive the bracket 118 to move on the bottom plate 1 through the racks 119.
As shown in fig. 1-2, a hydraulic rod 120 is installed at the top of the support 118, a hanging scaffold 121 is fixed at the lower end of the hydraulic rod 120, two arc-shaped clamping plates 122 are symmetrically hinged to the lower surface of the hanging scaffold 121, the hydraulic rod 120 drives the two arc-shaped clamping plates 122 to descend and be inserted into soil, and the two arc-shaped clamping plates 122 are opened towards two sides in the process of being inserted into the soil, so that a soil sample is located in the two arc-shaped clamping plates 122.
As shown in fig. 1-4, the two opposite inner side walls of the bracket 118 are fixed with ear plates 123, a threaded rod 124 is rotatably connected between the upper surface of the ear plate 123 and the inner top of the bracket 118, an inner threaded ring 125 is connected with the circumferential side surface of the threaded rod 124 in a threaded manner, a connecting rod 126 is fixedly connected with the circumferential side surface of the inner threaded ring 125, two stepping motors 128 are fixedly installed at the top of the bracket 118, one end of the output shaft of each stepping motor 128 is fixedly connected with the upper end of the threaded rod 124, a lantern ring 127 is fixedly connected between one end of each connecting rod 126, the inner wall of the lantern ring 127 is in sliding fit with the outer walls of the two arc-shaped clamping plates 122, the threaded rod 124 can drive the lantern ring 127 to descend through the inner threaded ring 125 and the connecting rod 126, the lantern ring 127 is sleeved at the top ends of the two arc-shaped clamping plates 122, the two arc-shaped clamping plates 122 are enabled to rotate inwards and compact the soil sample, thereby preventing the original structure of the soil sample from being damaged and increasing the friction force between the soil sample and the arc-shaped clamping plates 122, the soil sample is prevented from separating from the two arc-shaped clamping and taking plates 122, and the upper surface of the bottom plate 1 is provided with a sampling through hole 129.
As shown in fig. 1-2, a slide hole 101 is formed in the upper surface of the bottom plate 1, an H-shaped slider 102 is slidably fitted on the inner wall of the slide hole 101, a driving motor 103 is fixedly mounted on the lower surface of the H-shaped slider 102, one end of an output shaft of the driving motor 103 penetrates through the upper surface of the H-shaped slider 102 and is fixedly provided with a driving gear 104, a placing table 105 is fixedly provided on the upper surface of the driving gear 104, the H-shaped slider 102 moves in the slide hole 101 to adjust the horizontal position of the placing table 105, so that the driving gear 104 can be successively close to the side surfaces of two racks 119, and the driving gear 104 can drive the driving gear 104 and the placing table 105 to rotate.
As shown in fig. 2-3, a side surface of the H-shaped slider 102 is fixed with a telescopic rod 106, one end of the telescopic rod 106 is fixedly connected with an upright rod 107, one side surface of the upright rod 107 is in sliding fit with a side surface of the bottom plate 1, the side surface of the bottom plate 1 is provided with a plurality of positioning holes 108, one side surface of the upright rod 107 is fixed with an insert rod, and one end of the insert rod is matched with the inner walls of the positioning holes 108 to fix the position of the driving gear 104.
As shown in fig. 3-4, two vertical rods 109 are symmetrically fixed on the upper surface of the bottom plate 1, a horizontal plate 110 is fixedly connected between the upper ends of the two vertical rods 109, a first T-shaped sliding slot 111 is formed in the lower surface of the horizontal plate 110, a hanging plate 112 is slidably fitted on the inner wall of the first T-shaped sliding slot 111 through a slider, a second T-shaped sliding slot 113 is formed in the lower surface of the hanging plate 112, the upper end of the vertical rod 107 is slidably fitted on the inner wall of the second T-shaped sliding slot 113 through a slider, a limit spring 114 is fixedly connected to the inner end surface of the first T-shaped sliding slot 111, one end of the limit spring 114 is fixedly connected to the side surface of the hanging plate 112, the vertical rod 107 is manually pulled to drive the hanging plate 112 to move along the first T-shaped sliding slot 111 and compress the limit spring 114, so that the insertion rod on the side surface of the vertical rod 107 is separated from one positioning hole 108 of the bottom plate 1, then the top end of the vertical rod 107 is manually driven to move along the second T-shaped sliding slot 113 of the hanging plate 112, so that the hanging plate 112 drives the H-shaped slider 102 to move along the sliding hole 101 through the expansion rod 106, the H-shaped slider 102 carries the driving gear 104 to move to the side of another rack 119, then the vertical rod 107 inserts the inserted rod into another positioning hole 108 of the base plate 1 under the elastic force of the limit spring 114, thereby fixing the position of the driving gear 104, and then the driving gear 104 carries the sampled arc-shaped gripping plate 122 to move to a position above the sample storage cylinder 116 of the placing table 105 through the rack 119.
As shown in fig. 9, a plurality of placing grooves 115 are formed in the upper surface of the placing table 105, a sample storage cylinder 116 is placed on the inner wall of the placing groove 115, and the sample storage cylinder 116 is placed in the placing groove 115 of the placing table 105 to prevent the sample storage cylinder 116 from toppling over, so that the sample storage cylinder 116 can receive a soil sample.
As shown in FIG. 1, a push handle 130 is fixed on the upper surface of the transverse plate 110, a support leg 131 is fixed on the lower surface of the bottom plate 1, and a self-locking roller is installed at the lower end of the support leg 131, so that the device can be pushed conveniently to a designated position for sampling.
The driving motor 103, the hydraulic rod 120 and the stepping motor 128 are electrically connected with the existing PLC through wires, and all electricity is provided by an external power supply.
The working principle of the embodiment is as follows: when the device is used, the PLC controls the driving motor 103 to drive the driving gear 104 to rotate, the driving gear 104 drives the bracket 118 to horizontally move along the third T-shaped chute 117 of the bottom plate 1 through the rack 119, so that the bracket 118 drives the arc-shaped clamping plate 122 to move to the position above the sampling through hole 129, then the PLC controls the hydraulic rod 120 to drive the arc-shaped clamping plate 122 to descend through the sampling through hole 129 and insert into soil, so that a soil sample is positioned in the two arc-shaped clamping plates 122, then the PLC controls the stepping motor 128 to drive the threaded rod 124 to rotate, the threaded rod 124 drives the lantern ring 127 to descend through the internal thread ring 125 and the connecting rod 126, so that the lantern ring 127 is sleeved at the top ends of the two arc-shaped clamping plates 122, the two arc-shaped clamping plates 122 rotate inwards and compact the soil sample, thereby preventing the original structure of the soil sample from being damaged, increasing the friction force between the soil sample and the arc-shaped clamping plates 122 and preventing the soil sample from separating from the two arc-shaped clamping plates 122, then the hydraulic rod 120 drives the arc-shaped clamping and taking plate 122 to ascend and take out a soil sample; then the vertical rod 107 is pulled manually to bring the hanger plate 112 to move along the first T-shaped chute 111 and compress the limiting spring 114, so that the inserted link at the side of the vertical rod 107 is separated from one positioning hole 108 of the bottom plate 1, then the top end of the vertical rod 107 is further pulled manually to move along the second T-shaped chute 113 of the hanger plate 112, so that the hanger plate 112 is brought by the telescopic rod 106 to move along the sliding hole 101, the H-shaped slider 102 is brought with the driving gear 104 to move to the side of the other rack 119, then the vertical rod 107 is inserted into the other positioning hole 108 of the bottom plate 1 under the elastic force of the limiting spring 114, so as to fix the position of the driving gear 104, then the driving gear 104 is brought with the sampled arc-shaped gripping plate 122 by the rack 119 to move to a position above one sample storage barrel 116 of the placing table 105, then the stepping motor 128 is used for driving the collar 127 to lift off the tops of the two arc-shaped gripping plates 122 by the threaded rod 124, so as to loosen the two arc-shaped gripping plates 122, make the arc press from both sides the soil sample in the board 122 and drop to the sample storage section of thick bamboo 116 of placing platform 105 in, conveniently deposit the soil sample of gathering, can gather the soil sample fast, degree of automation is higher, has improved the efficiency of soil sampling.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. A rapid sampling device for detecting pesticide residue for soil remediation comprises a bottom plate (1); the method is characterized in that:
the upper surface of the bottom plate (1) is provided with a sliding hole (101), the inner wall of the sliding hole (101) is in sliding fit with an H-shaped sliding block (102), the lower surface of the H-shaped sliding block (102) is fixedly provided with a driving motor (103), one end of an output shaft of the driving motor (103) penetrates through the upper surface of the H-shaped sliding block (102) and is fixedly provided with a driving gear (104), and the upper surface of the driving gear (104) is fixedly provided with a placing table (105);
a telescopic rod (106) is fixed on one side surface of the H-shaped sliding block (102), one end of the telescopic rod (106) is fixedly connected with an upright rod (107), one side surface of the upright rod (107) is in sliding fit with the side surface of the bottom plate (1), a plurality of positioning holes (108) are formed in the side surface of the bottom plate (1), an inserting rod is fixed on one side surface of the upright rod (107), and one end of the inserting rod is matched with the inner wall of the positioning hole (108);
bottom plate (1) upper surface symmetry is fixed with two montants (109), two fixedly connected with diaphragm (110) between montant (109) upper end, first T type spout (111) have been seted up to diaphragm (110) lower surface, first T type spout (111) inner wall has hanger plate (112) through slider sliding fit, second T type spout (113) have been seted up to hanger plate (112) lower surface, pole setting (107) upper end is through slider and second T type spout (113) inner wall sliding fit.
2. The rapid sampling device for detecting pesticide residues for soil remediation according to claim 1, wherein a limiting spring (114) is fixedly connected to an inner end face of the first T-shaped chute (111), and one end of the limiting spring (114) is fixedly connected to a side face of the hanger plate (112).
3. The rapid sampling device for detecting pesticide residues for soil remediation according to claim 1, wherein a plurality of placing grooves (115) are formed in the upper surface of the placing table (105), and sample storage cylinders (116) are placed on the inner walls of the placing grooves (115).
4. The quick sampling device for detecting the pesticide residue for soil remediation according to claim 1, wherein the upper surface of the bottom plate (1) is symmetrically provided with two third T-shaped chutes (117), a support (118) is slidably connected between the inner walls of the two third T-shaped chutes (117), two opposite inner side walls of the support (118) are fixedly connected with racks (119), and one side surface of each rack (119) is meshed with the peripheral side surface of the driving gear (104).
5. The quick sampling device for detecting pesticide residues for soil remediation according to claim 4, wherein a hydraulic rod (120) is mounted at the top of the support (118), a hanging scaffold (121) is fixed at the lower end of the hydraulic rod (120), and two arc-shaped clamping plates (122) are symmetrically hinged to the lower surface of the hanging scaffold (121).
6. The quick sampling device for detecting pesticide residues for soil remediation as claimed in claim 5, wherein the bracket (118) is fixed with lug plates (123) on two opposite inner side walls, a threaded rod (124) is rotatably connected between the upper surface of the lug plate (123) and the inner top of the bracket (118), an internal threaded ring (125) is in threaded connection with the peripheral side of the threaded rod (124), and a connecting rod (126) is in fixed connection with the peripheral side of the internal threaded ring (125).
7. The rapid sampling device for detecting pesticide residue for soil remediation according to claim 6, wherein a collar (127) is fixedly connected between one end of each connecting rod (126), and the inner wall of the collar (127) is in sliding fit with the outer walls of the two arc-shaped clamping plates (122).
8. The quick sampling device for detecting pesticide residues for soil remediation according to claim 4, wherein two stepping motors (128) are fixedly mounted on the top of the support (118), and one end of an output shaft of each stepping motor (128) is fixedly connected with the upper end of the threaded rod (124).
9. The quick sampling device for detecting the pesticide residue for soil remediation according to claim 1, wherein a sampling through hole (129) is formed in the upper surface of the bottom plate (1), and a pushing handle (130) is fixed on the upper surface of the transverse plate (110).
10. The quick sampling device for detecting pesticide residue for soil remediation according to claim 1, wherein a support leg (131) is fixed to the lower surface of the bottom plate (1), and a self-locking roller is mounted at the lower end of the support leg (131).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116678672A (en) * | 2023-08-03 | 2023-09-01 | 北京建工环境修复股份有限公司 | Contaminated site soil detection sampling structure |
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| CN111665079A (en) * | 2020-06-11 | 2020-09-15 | 吴灵芝 | Array type sampling device for pesticide residue detection |
| CN212780106U (en) * | 2020-07-20 | 2021-03-23 | 山东省地质矿产勘查开发局第五地质大队（山东省第五地质矿产勘查院） | Underground water sample extraction device for geological survey |
| CN112629913A (en) * | 2020-12-01 | 2021-04-09 | 邱俊梅 | A sampling device for pesticide residue detects in soil |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116678672A (en) * | 2023-08-03 | 2023-09-01 | 北京建工环境修复股份有限公司 | Contaminated site soil detection sampling structure |
| CN116678672B (en) * | 2023-08-03 | 2023-11-03 | 北京建工环境修复股份有限公司 | Contaminated site soil detection sampling structure |
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