CN115508138A - Soil sampling device is used in agriculture and forestry development - Google Patents
Soil sampling device is used in agriculture and forestry development Download PDFInfo
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- CN115508138A CN115508138A CN202211369545.0A CN202211369545A CN115508138A CN 115508138 A CN115508138 A CN 115508138A CN 202211369545 A CN202211369545 A CN 202211369545A CN 115508138 A CN115508138 A CN 115508138A
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- 238000005527 soil sampling Methods 0.000 title claims abstract description 23
- 238000005070 sampling Methods 0.000 claims abstract description 101
- 238000009434 installation Methods 0.000 claims description 2
- 239000002689 soil Substances 0.000 abstract description 35
- 238000000034 method Methods 0.000 description 15
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
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- Life Sciences & Earth Sciences (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the technical field of soil sampling, in particular to a soil sampling device for agriculture and forestry development, which comprises a sampling platform, wherein a fastening rod is arranged on the sampling platform, and the soil sampling device also comprises: the guide cylinder is positioned on the sampling platform, and a rotary cylinder is sleeved in the guide cylinder; the lifting driving mechanism is respectively connected with the sampling platform and the rotary drum; the sampling mechanism is positioned in the rotary drum, and comprises an eccentric sleeve, a control assembly and a sampling assembly; the soil sampling device for agriculture and forestry development is novel in structure, can avoid the soil at other depths from being mixed in the sampled soil, reduces the interference of other factors, improves the accuracy of sampling results, and provides convenience for workers.
Description
Technical Field
The invention relates to the technical field of soil sampling, in particular to a soil sampling device for agriculture and forestry development.
Background
Agriculture and forestry are research subjects or implementation modes combining land utilization between forestry and agriculture, and are particularly important for agriculture and forestry planting and development at present.
Present soil sampling device is used in agriculture and forestry development, in the use, carry out sample work to the soil of certain degree of depth through the sampling head, nevertheless because the sampling head need reciprocate in soil is inside, make the soil of other degree of depth departments of mixing in the soil of being sampled very easily, thereby produce the interference, influence the accuracy of sample result, it is very inconvenient to use, consequently, to above current situation, an agriculture and forestry development is with soil sampling device urgent need be developed, in order to overcome not enough in the current practical application.
Disclosure of Invention
The invention aims to provide a soil sampling device for agriculture and forestry development, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a soil sampling device is used in agriculture and forestry development, includes sampling platform, the last anchorage bar of installing of sampling platform still includes:
the guide cylinder is positioned on the sampling platform, and a rotary cylinder is sleeved in the guide cylinder;
the lifting driving mechanism is respectively connected with the sampling platform and the rotary drum; and
the sampling mechanism is positioned in the rotary drum and comprises an eccentric sleeve, a control assembly and a sampling assembly;
the eccentric sleeve is positioned in the rotary cylinder, a sampling assembly is mounted on the outer side wall of the eccentric sleeve, the sampling assembly penetrates through the rotary cylinder and is in sliding connection with the rotary cylinder, and the control assembly is connected with the inner walls of the rotary cylinder and the eccentric sleeve respectively.
Compared with the prior art, the invention has the beneficial effects that:
in the soil sampling process, firstly, the sampling platform is provided with a handle which can be used for lifting the whole equipment to a designated area, the fastening rod can be inserted into the soil in the designated area through the arranged sampling platform to avoid the equipment from shaking in the sampling process, then, the lifting driving mechanism is arranged to drive the rotary drum to move downwards in the guide cylinder, meanwhile, the rotary drum rotates automatically, the bottom end of the rotary drum is provided with a drill bit, so that the rotary drum can be drilled into the soil, the lifting driving mechanism stops working after the rotary drum enters a designated depth in the soil, at the moment, the eccentric sleeve can be pushed to move in the rotary drum through the manual driving control component, wherein when the eccentric sleeve is in a non-working state, the center of the eccentric sleeve and the center of the rotary drum are in a deviation state, and the eccentric sleeve can be driven by the control component to move, and tends to be concentric with the rotary drum, then in the course of moving eccentric sleeve, can drive the sampling assembly to stretch out from the sidewall of the rotary drum, contact with soil in the designated area, at this moment, start the lifting driving mechanism again, can drive rotary drum and sampling assembly to rotate at the same time, thus can make the soil depth in the error range enter the sampling assembly, after sampling, can drive the control assembly again, thus make the eccentric sleeve resume to the original position, and drive the sampling assembly to move to the inside of the rotary drum, until the end of the sampling assembly plugs the sidewall of the rotary drum again, thus finish the sampling work, under the drive of the lifting driving mechanism, can make rotary drum and sampling mechanism move upwards, because in the course of moving up and down of the rotary drum, the sampling assembly is in the state of separating with the outside all the time, can avoid mixing into the soil of other depths in the soil sampled, the interference of other factors is reduced, the accuracy of the sampling result is improved, convenience is provided for workers, and the method is worthy of popularization.
Drawings
Fig. 1 is a schematic overall front view structure in the embodiment of the present invention.
FIG. 2 is a side view of a support plate portion according to an embodiment of the present invention.
FIG. 3 is a schematic view of a partial structure of a drum portion in an embodiment of the present invention.
Fig. 4 is an enlarged cross-sectional structural view of a portion a in fig. 3 according to an embodiment of the present invention.
Fig. 5 is a sectional structural view of an eccentric sleeve portion in the embodiment of the present invention.
In the figure: 1-sampling platform, 2-fastening rod, 3-guide cylinder, 4-drill bit, 5-inlet and outlet, 6-support plate, 7-thread bushing, 8-lifting screw rod, 9-control rod, 10-driving motor, 11-lifting plate, 12-U-shaped joint, 13-limit plate, 14-graduation line, 15-limit column, 16-rotary drum, 17-telescopic notch, 18-sampling box, 19-crushing knife, 20-eccentric sleeve, 21-guide column, 22-sampling notch, 23-spring, 24-movable plate A, 25-sliding column, 26-hinged frame A, 27-control screw rod, 28-driving thread bushing, 29-hinged frame B, 30-movable plate B, and 31-clamping groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
Referring to fig. 1-5, an agriculture and forestry development soil sampling device provided by the embodiment of the present invention includes a sampling platform 1, a fastening rod 2 is installed on the sampling platform 1, and the sampling device further includes:
the guide cylinder 3 is positioned on the sampling platform 1, and a rotary drum 16 is sleeved in the guide cylinder 3;
the lifting driving mechanism is respectively connected with the sampling platform 1 and the rotary drum 16; and
the sampling mechanism is positioned in the rotary drum 16, and comprises an eccentric sleeve 20, a control assembly and a sampling assembly;
the eccentric sleeve 20 is located in the rotary drum 16, a sampling assembly is mounted on the outer side wall of the eccentric sleeve 20, the sampling assembly penetrates through the rotary drum 16 and is connected with the rotary drum 16 in a sliding mode, and the control assembly is connected with the inner walls of the rotary drum 16 and the eccentric sleeve 20 respectively.
In the soil sampling process, firstly, a handle is arranged on the sampling platform 1 and can be used for lifting the whole equipment to a designated area, the fastening rod 2 is arranged to insert the fastening rod 2 into the soil in the designated area so as to avoid the equipment from shaking in the sampling process, then, a lifting driving mechanism is arranged to drive the rotary drum 16 to move downwards in the guide cylinder 3, meanwhile, the rotary drum 16 rotates automatically, the bottom end of the rotary drum 16 is provided with a drill bit 4 so as to enable the rotary drum 16 to drill into the soil, when the rotary drum 16 enters a designated depth in the soil, the lifting driving mechanism stops working, at the moment, the eccentric sleeve 20 can be pushed to move in the rotary drum 16 through a manual driving control component, wherein when the eccentric sleeve 20 is in a non-working state, the center of the eccentric sleeve 20 and the center of the rotary drum 16 are in a deviation state, the eccentric sleeve 20 can be driven by the control component to move and tends to be concentric with the rotary drum 16, the sampling component can be driven to extend out of the side wall of the rotary drum 16 in the moving process of the eccentric sleeve 20 and contact with soil in a specified area, at the moment, the lifting driving mechanism is started again, the rotary drum 16 and the sampling component can be driven to rotate simultaneously, so that the soil with the soil depth within an error range can enter the sampling component, after sampling is finished, the control component can be driven again, so that the eccentric sleeve 20 is restored to the original position, the sampling component is driven to move towards the interior of the rotary drum 16 until the end part of the sampling component plugs the side wall of the rotary drum 16 again, so that sampling work is finished, the rotary drum 16 and the sampling mechanism can move upwards under the driving of the lifting driving mechanism, because in the process that the rotary drum 16 moves up and down, the sampling assembly is always in a separated state with the outside, so that the soil at other depths can be prevented from being mixed into the sampled soil, the interference of other factors is reduced, the accuracy of sampling results is improved, convenience is provided for workers, and the sampling assembly is worthy of popularization.
In an embodiment of the present invention, referring to fig. 1 and 2, the lifting driving mechanism includes:
the supporting plates 6 are positioned on the sampling platform 1, and the number of the supporting plates 6 is two;
the two ends of the lifting plate 11 are slidably mounted on the two sets of supporting plates 6, and the lifting plate 11 is further provided with a driving motor 10;
the top end of the U-shaped joint 12 is rotatably arranged on the lifting plate 11 and is connected with the output end of the driving motor 10; and
one end of the lifting screw rod 8 is connected with the U-shaped joint 12, the other end of the lifting screw rod 8 is connected with the rotary drum 16, a threaded sleeve 7 is sleeved on the lifting screw rod 8, and the threaded sleeve 7 is connected with the supporting plate 6.
Please refer to fig. 2, which further includes: a limiting plate 13, wherein the limiting plate 13 is positioned on the supporting plate 6;
the limiting column 15 is positioned on the lifting plate 11, and the limiting column 15 is also detachably connected with the limiting plate 13; and
and the scale marks 14 are positioned on the supporting plate 6, and are matched with the lifting plate 11 for installation.
The driving motor 10 is started, the U-shaped joint 12 can be driven to rotate on the lifting plate 11, and meanwhile the lifting screw 8 can be driven to rotate in the threaded sleeve 7, the rotary drum 16 and the drill bit 4 can rotate while the lifting screw 8 rotates, and the lifting screw 8 and the lifting plate 11 can move downwards under the action of threaded matching of the lifting screw 8 and the threaded sleeve 7, wherein the rotary drum 16 can rotate and lift, and the two motions of the rotary drum 16 can also adopt the prior art, and are controlled by two sets of motors, so that redundant description is not provided, and a structure matched with a guide rail can be adopted between the lifting plate 11 and the supporting plate 6, therefore, when the lifting screw 8 drives the lifting plate 11 to move downwards on the supporting plate 6, the descending distance of the rotary drum 16 can be monitored through the scale marks 14, and the rotary drum 16 can smoothly enter the soil when the rotary drum 16 and the drill bit 4 rotate, and the limiting plate 13 and the limiting column 15 are arranged to work in a matching mode, the descending height of the lifting plate 11 can be limited, and damage to other components caused by impact can be avoided.
In one embodiment of the present invention, referring to fig. 1, 3 and 4, the sampling assembly includes:
the telescopic notch 17 is formed in the side wall of the rotary drum 16;
the sampling box 18, one side of the sampling box 18 is detachably connected with the eccentric sleeve 20, the other side of the sampling box 18 penetrates through the telescopic notch 17 and is slidably connected with the telescopic notch 17, and a sampling port 22 is formed in the sampling box 18; and
one end of the eccentric sleeve 21 is connected with the eccentric sleeve 20, and the other end of the eccentric sleeve 21 penetrates through the rotary drum 16 and is connected with the rotary drum 16 in a sliding manner.
Referring to fig. 1, 4 and 5, the control assembly includes:
the control rod 9 is sleeved in the rotary drum 16 and the eccentric sleeve 20, and is rotatably connected with the inner wall of the rotary drum 16;
the control screw 27 is positioned on the control rod 9, and a driving threaded sleeve 28 is sleeved on the control screw 27; and
and one side of the push-pull unit is respectively connected with the control rod 9 and the driving threaded sleeve 28, and the other side of the push-pull unit is connected with the inner wall of the eccentric sleeve 20.
The push-pull unit includes: the hinge frame A26 is hinged with the control rod 9 and the driving threaded sleeve 28 respectively, and is in rotary connection with the control rod 9;
a movable plate A24, wherein the movable plate A24 is connected with the inner wall of the eccentric sleeve 20 through a spring 23, and the movable plate A24 is further hinged with the hinge frame A26;
one end of the sliding column 25 is connected with the eccentric sleeve 20, and the other end of the sliding column 25 penetrates through the movable plate a24 and is slidably connected with the movable plate a 24;
the hinge frame B29 is hinged with the control rod 9 and the driving threaded sleeve 28 respectively, and is in rotary connection with the control rod 9; and
the movable plate B30 is hinged to the hinge frame B29, the movable plate B30 is clamped in a clamping groove 31, and the clamping groove 31 is formed in the inner side wall of the eccentric sleeve 20.
Referring to fig. 1 and fig. 3-5, further comprising: one end of the crushing knife 19 is connected with the movable plate B30, and the other end of the crushing knife 19 penetrates through the rotary drum 16 and is slidably connected with the rotary drum 16; and
and the inlet and outlet 5 is formed in the guide cylinder 3, and the inlet and outlet 5 is formed in the guide cylinder 3.
When the drum 16 descends to a specified depth of soil, the control rod 9 is rotated by manpower, wherein the control rod 9 penetrates through the lifting screw 8 and is rotationally connected with the lifting screw 8, when the control rod 9 rotates, the control screw 27 is driven to rotate, and the driving threaded sleeve 28 is driven to move downwards under the action of thread transmission, at this time, the driving threaded sleeve 28 pushes the hinge frame a26, wherein the hinge frame a26 consists of two rods with hinged middle parts, under the pushing action of the driving threaded sleeve 28, the included angle of the two rods can be changed, so that the movable plate a24 can be pushed to move outwards, wherein the number of the movable plates a24 and the hinge frames a26 is two, in the process that the movable plates a24 move outwards, the springs 23 can be pushed, so that the springs 23 are in a compressed state, at this time, the driving threaded sleeve 28 can also push the hinge frame B29 to move, wherein the hinge frame B29 and the hinge frame a26 have the same structure, the hinge frame B29 can push the movable plate B30 to move outwards, and the movable plate B30 is clamped in the clamping groove 31, so that the eccentric sleeve 20 can be pushed to move towards the right side as a whole, wherein the movable plate B30 and the two sets of movable plates a24 are uniformly distributed in the eccentric sleeve 20, so that the eccentric sleeve 20 can move stably and tends to be concentric with the rotary drum 16, and the sampling box 18 can be pushed to move rightwards in the telescopic notch 17 in the moving process of the eccentric sleeve 20, wherein in the non-sampling working state, the end part of the sampling box 18 is positioned in the telescopic notch 17 and is flush with the outer side wall of the rotary drum 16, at this time, the sampling port 22 on the sampling box 18 is blocked by the telescopic notch 17, so that the rotary drum 16 can move inwards smoothly, and when the sampling box 18 moves rightwards, the sampling port 22 can extend out of the telescopic notch 17, so that the sampling port 22 is in contact with the soil outside the rotary drum 16, meanwhile, the eccentric sleeve 21 also slides on the side wall of the rotary drum 16 to play a role in limiting and guiding the eccentric sleeve 20, so that the moving stability of the eccentric sleeve 20 is ensured, when the eccentric sleeve 20 moves, the crushing cutter 19 can be driven to move towards the right side, the end part of the crushing cutter 19 extends out of the rotary drum 16, when the lifting driving mechanism drives the rotary drum 16 to rotate again, the crushing cutter 19 can crush soil with a specified depth, in the downward moving process of the rotary drum 16, the crushed soil can enter the sampling box 18 through the sampling port 22, after the sampling is finished, the control rod 9 can be driven to rotate reversely, so that the eccentric sleeve 20 is restored to the original position, the telescopic notch 17 can plug the sampling port 22 again, and therefore, the situation that the soil at other parts enters the sampling box 18 in the upward moving process of the rotary drum 16 can be avoided, and the accuracy of the sampling result can be ensured.
In summary, in the soil sampling process, firstly, the sampling platform 1 is provided with a handle for lifting the whole equipment to a designated area, and the fastening rod 2 is provided for inserting the fastening rod 2 into the soil in the designated area to avoid shaking of the equipment in the sampling process, then the lifting driving mechanism is provided for driving the rotary drum 16 to move downwards in the guide cylinder 3, simultaneously, the rotary drum 16 rotates and the bottom end of the rotary drum 16 is provided with the drill 4, so that the rotary drum 16 can be driven to drill into the soil, when the rotary drum 16 enters a designated depth in the soil, the lifting driving mechanism stops working, at this time, the eccentric sleeve 20 can be pushed to move in the rotary drum 16 through the manual driving control component, wherein when the eccentric sleeve 20 is in a non-working state, the center of the eccentric sleeve 20 and the center of the rotary drum 16 are in a deviation state, the eccentric sleeve 20 can be driven by the control component to move and tends to be concentric with the rotary drum 16, the sampling component can be driven to extend out of the side wall of the rotary drum 16 in the moving process of the eccentric sleeve 20 and contact with soil in a specified area, at the moment, the lifting driving mechanism is started again, the rotary drum 16 and the sampling component can be driven to rotate simultaneously, so that the soil with the soil depth within an error range can enter the sampling component, after sampling is finished, the control component can be driven again, so that the eccentric sleeve 20 is restored to the original position, the sampling component is driven to move towards the interior of the rotary drum 16 until the end part of the sampling component plugs the side wall of the rotary drum 16 again, so that sampling work is finished, the rotary drum 16 and the sampling mechanism can move upwards under the driving of the lifting driving mechanism, because in the process that the rotary drum 16 moves up and down, sampling subassembly is in the partition state with the outside all the time, can avoid being mixed the soil of other degree of depth departments in the soil of being sampled, has reduced the interference of other factors, has improved the accuracy of sample result, provides convenience for the staff.
It should be noted that, unless otherwise specifically stated or limited, the terms "sliding," "rotating," "fixing," "providing," and the like are to be understood broadly in the present invention, and may be, for example, a welded connection, a bolted connection, or an integral body; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides an agriculture and forestry development is with soil sampling device, includes sampling platform, the last anchorage bar of installing of sampling platform, its characterized in that still includes:
the guide cylinder is positioned on the sampling platform, and a rotary cylinder is sleeved in the guide cylinder;
the lifting driving mechanism is respectively connected with the sampling platform and the rotary drum; and
the sampling mechanism is positioned in the rotary drum and comprises an eccentric sleeve, a control assembly and a sampling assembly;
the eccentric sleeve is positioned in the rotary cylinder, a sampling assembly is mounted on the outer side wall of the eccentric sleeve, the sampling assembly penetrates through the rotary cylinder and is in sliding connection with the rotary cylinder, and the control assembly is connected with the inner walls of the rotary cylinder and the eccentric sleeve respectively.
2. The soil sampling device for agriculture and forestry development as claimed in claim 1, wherein the elevation driving mechanism comprises:
the supporting plates are positioned on the sampling platform, and the number of the supporting plates is two;
the two ends of the lifting plate are slidably mounted on the two sets of supporting plates, and the lifting plate is further provided with a driving motor;
the top end of the U-shaped joint is rotatably arranged on the lifting plate and is connected with the output end of the driving motor; and
one end of the lifting screw is connected with the U-shaped joint, the other end of the lifting screw is connected with the rotary drum, a threaded sleeve is sleeved on the lifting screw, and the threaded sleeve is connected with the supporting plate.
3. The agroforestry development soil sampling device of claim 2, further comprising: the limiting plate is positioned on the supporting plate;
the limiting column is positioned on the lifting plate and is also detachably connected with the limiting plate; and
and the scale marks are positioned on the supporting plate and are matched with the lifting plate for installation.
4. An agroforestry development soil sampling device as claimed in any one of claims 1 to 3, wherein the sampling assembly comprises:
the telescopic notch is formed in the side wall of the rotary drum;
one side of the sampling box is detachably connected with the eccentric sleeve, the other side of the sampling box penetrates through the telescopic notch and is in sliding connection with the telescopic notch, and a sampling opening is formed in the sampling box; and
and one end of the eccentric sleeve is connected with the eccentric sleeve, and the other end of the eccentric sleeve penetrates through the rotary drum and is in sliding connection with the rotary drum.
5. The agroforestry development soil sampling device of claim 4, wherein the control assembly comprises:
the control rod is sleeved in the rotary drum and the eccentric sleeve and is rotationally connected with the inner wall of the rotary drum;
the control screw rod is positioned on the control rod, and a driving thread sleeve is sleeved on the control screw rod; and
and one side of the push-pull unit is respectively connected with the control rod and the driving threaded sleeve, and the other side of the push-pull unit is connected with the inner wall of the eccentric sleeve.
6. The agroforestry development soil sampling device of claim 5, wherein the push-pull unit comprises:
the hinge frame A is hinged with the control rod and the driving threaded sleeve respectively and is in rotary connection with the control rod;
the movable plate A is connected with the inner wall of the eccentric sleeve through a spring and is hinged with the hinge frame A;
one end of the sliding column is connected with the eccentric sleeve, and the other end of the sliding column penetrates through the movable plate A and is in sliding connection with the movable plate A;
the hinge frame B is hinged with the control rod and the driving threaded sleeve respectively and is in rotary connection with the control rod; and
the movable plate B is hinged to the hinge frame B and clamped in the clamping groove, and the clamping groove is formed in the inner side wall of the eccentric sleeve.
7. The soil sampling device for agriculture and forestry development of claim 6, further comprising: one end of the crushing knife is connected with the movable plate B, and the other end of the crushing knife penetrates through the rotary drum and is in sliding connection with the rotary drum; and
and the inlet and the outlet are arranged on the guide cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211369545.0A CN115508138A (en) | 2022-11-03 | 2022-11-03 | Soil sampling device is used in agriculture and forestry development |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211369545.0A CN115508138A (en) | 2022-11-03 | 2022-11-03 | Soil sampling device is used in agriculture and forestry development |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115508138A true CN115508138A (en) | 2022-12-23 |
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ID=84513231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211369545.0A Withdrawn CN115508138A (en) | 2022-11-03 | 2022-11-03 | Soil sampling device is used in agriculture and forestry development |
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| CN (1) | CN115508138A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116202811A (en) * | 2023-05-04 | 2023-06-02 | 生态环境部华南环境科学研究所(生态环境部生态环境应急研究所) | Solid waste detection sampling device |
-
2022
- 2022-11-03 CN CN202211369545.0A patent/CN115508138A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116202811A (en) * | 2023-05-04 | 2023-06-02 | 生态环境部华南环境科学研究所(生态环境部生态环境应急研究所) | Solid waste detection sampling device |
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Application publication date: 20221223 |