Pollutant detection device for environmental impact evaluation

Abstract

The utility model is applicable to the technical field of pollutant detection, and provides a pollutant detection device for environmental influence evaluation, which comprises a base, a cylindrical shell fixedly mounted on the base, a lifting disc movably mounted in the shell through an electric telescopic cylinder, and a drilling mechanism mounted on the bottom surface of the lifting disc. The drilling mechanism comprises a vertically-mounted drill rod and a driving element for driving the drill rod to rotate, a sampling assembly is further arranged at the bottom end of the drill rod and comprises a plurality of sampling plates arranged in a circumferential array and a driving unit for driving the sampling plates to synchronously turn over, and the sampling plates are of a petal-shaped structure; a plurality of sampling plates can be spliced into a funnel-shaped sampling spoon, the funnel-shaped sampling spoon formed by the petal-shaped sampling plates can block the bottom end of a drill rod in an initial state and prevent soil at other depths from entering the drill rod, and can be flexibly opened when sampling is needed, accurate grabbing and sampling are achieved, and the problem that a traditional device cannot accurately obtain a soil sample at a specified depth is solved.

Description

Technical Field

[0001] This utility model relates to the field of pollutant detection technology, specifically a pollutant detection device for environmental impact assessment. Background Technology

[0002] In environmental impact assessment, accurate detection of soil pollutants is a crucial step in evaluating environmental quality and developing environmental protection measures. The distribution of soil pollutants is complex; different depths of soil may contain different types and concentrations of pollutants. Therefore, accurately obtaining soil samples from specific depths is essential.

[0003] Currently, a pollutant detection device for environmental impact assessment disclosed in CN 220508465 U can, to some extent, achieve soil sampling and testing. This device uses a hydraulic cylinder to push a mounting plate, connecting rod, and cylindrical tube downwards. The cylindrical tube, through a special connection with a circular sleeve, can move downwards while rotating, causing the sampling tube to compress the soil and collect the sample. Finally, an electric telescopic rod and a squeezing scraper push the sample out for testing.

[0004] However, this device has obvious drawbacks: as the cylindrical tube is inserted into the soil, the soil is compressed as it enters the sampling tube. The original layered structure of the compressed soil is destroyed, making it difficult to determine its depth. This results in the inability to accurately sample the soil at the specified depth and may misidentify soil samples from other depths as samples from the target depth, leading to incorrect test results.

[0005] Therefore, there is an urgent need for a new type of pollutant detection device for environmental impact assessment, which should be capable of accurately acquiring soil samples at a specified depth. Utility Model Content

[0006] The purpose of this invention is to provide a pollutant detection device for environmental impact assessment, so as to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] A pollutant detection device for environmental impact assessment includes a base on which a cylindrical shell is fixedly mounted. A lifting plate is movably mounted inside the shell via an electric telescopic cylinder. A drilling mechanism is mounted on the bottom surface of the lifting plate. The drilling mechanism includes a vertically mounted drill rod and a driving element for rotating the drill rod. A sampling assembly is also provided at the bottom end of the drill rod. The sampling assembly includes multiple sampling plates arranged in a circumferential array and a driving unit for synchronously rotating the multiple sampling plates. The sampling plates have a petal-shaped structure, and multiple sampling plates can be spliced ​​together to form a funnel-shaped sampling spoon.

[0009] As a further embodiment of this utility model: the driving unit includes a first electric push rod, a second electric push rod, a movable plate, a connecting rod, and a flipping rod. The bottom end of the drill rod is provided with a groove. The first electric push rod is fixedly installed in the groove, and the telescopic end of the first electric push rod is fixedly installed with the second electric push rod. The telescopic end of the second electric push rod is fixedly installed with the movable plate. Multiple flipping rods are hingedly installed on the side wall of the movable plate. The flipping rods have an "L" shaped structure. The upright of the flipping rod is fixedly connected to the inner side of the sampling plate. The horizontal bar of the flipping rod is connected to the side wall of the second electric push rod through a connecting rod. The two ends of the connecting rod are respectively hinged to the side walls of the flipping rod and the second electric push rod.

[0010] As a further embodiment of this utility model: the bottom surface of the base is also equipped with multiple movable wheels, and multiple positioning cone rods are movably inserted into the base, with the multiple positioning cone rods arranged in a circular array around the periphery of the shell.

[0011] As a further embodiment of this utility model: multiple pull ropes are also arranged in an array on the side of the lifting plate, and hooks are installed at the ends of the pull ropes that pass through the housing. A hanging ring adapted to the hook is also installed at the top of the positioning cone rod, and a side hole for the pull ropes to slide is also provided on the side wall of the housing.

[0012] As a further embodiment of this utility model, handrails are symmetrically fixed on both sides of the shell.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] This invention, by incorporating an electric telescopic cylinder, can precisely control the lifting height of the lifting plate, thereby accurately adjusting the drilling depth of the drill rod and providing a basis for obtaining soil samples at a specified depth. The driving element in the drilling mechanism drives the drill rod to rotate, which can effectively break the soil and facilitate sampling. The funnel-shaped sampling spoon composed of petal-shaped sampling plates can initially block the bottom of the drill rod to prevent soil from other depths from entering. When sampling is needed, it can be flexibly opened to achieve precise grasping and sampling, solving the problem that traditional devices cannot accurately obtain soil samples at a specified depth. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of a pollutant detection device used for environmental impact assessment.

[0016] Figure 2 This is a partial cross-sectional view of a pollutant detection device used in environmental impact assessment.

[0017] Figure 3 for Figure 2 Front sectional view;

[0018] Figure 4 for Figure 3 Enlarged view of section A in the middle;

[0019] In the diagram: 1. Base; 2. Housing; 3. Lifting plate; 4. Electric telescopic cylinder; 5. Drill rod; 6. Sampling plate; 7. First electric push rod; 8. Second electric push rod; 9. Movable plate; 10. Connecting rod; 11. Tilting rod; 12. Moving wheel; 13. Positioning cone rod; 14. Pull rope; 15. Hook; 16. Hanging ring; 17. Side hole; 18. Handrail. Detailed Implementation

[0020] The technical solution of this patent will be further described in detail below with reference to specific embodiments.

[0021] Example 1

[0022] Please see Figure 1-4 A pollutant detection device for environmental impact assessment includes a base 1, on which a cylindrical shell 2 is fixedly mounted. A lifting plate 3 is movably mounted inside the shell 2 via an electric telescopic cylinder 4. A drilling mechanism is mounted on the bottom surface of the lifting plate 3. The drilling mechanism includes a vertically mounted drill rod 5 and a driving element for rotating the drill rod 5. A sampling assembly is also provided at the bottom end of the drill rod 5. The sampling assembly includes multiple sampling plates 6 arranged in a circumferential array and a driving unit for synchronously rotating the multiple sampling plates 6. The sampling plates 6 have a petal-like structure, and the multiple sampling plates 6 can be assembled. The sampling spoon is assembled into a funnel shape. By setting an electric telescopic cylinder 4, the lifting height of the lifting plate 3 can be precisely controlled, thereby accurately adjusting the drilling depth of the drill rod 5. This provides a basis for obtaining soil samples at a specified depth. The driving element in the drilling mechanism drives the drill rod 5 to rotate, which can effectively break the soil and facilitate sampling. The funnel-shaped sampling spoon composed of petal-shaped sampling plates 6 can seal the bottom of the drill rod 5 in the initial state to prevent soil from other depths from entering. When sampling is needed, it can be flexibly opened to achieve precise grabbing and sampling, solving the problem that traditional devices cannot accurately obtain soil samples at a specified depth.

[0023] The drive unit includes a first electric push rod 7, a second electric push rod 8, a movable plate 9, a connecting rod 10, and a tilting rod 11. The bottom end of the drill rod 5 has a groove. The first electric push rod 7 is fixedly installed in the groove, and the telescopic end of the first electric push rod 7 is fixedly installed with the second electric push rod 8. The telescopic end of the second electric push rod 8 is fixedly installed with the movable plate 9. Multiple tilting rods 11 are hinged to the side wall of the movable plate 9. The tilting rods 11 have an "L"-shaped structure, and the uprights of the tilting rods 11 are fixedly connected to the inner side of the sampling plate 6. The crossbar of the flipping rod 11 is connected to the side wall of the second electric push rod 8 via the connecting rod 10. The two ends of the connecting rod 10 are respectively hinged to the side walls of the flipping rod 11 and the second electric push rod 8. The drive unit, through the coordinated operation of the first and second electric push rods 8, precisely controls the opening and closing of multiple sampling plates 6. During drilling, the sampling spoon closes the bottom of the drill rod 5 to avoid soil mixing. After reaching the designated depth, it can quickly open for sampling and then accurately reset to ensure that the soil sample taken comes from the target depth, greatly improving the accuracy and reliability of sampling.

[0024] In addition, multiple casters 12 are installed on the bottom surface of the base 1, and multiple positioning cones 13 are movably inserted on the base 1. The multiple positioning cones 13 are arranged in a circular array around the periphery of the housing 2. The casters 12 facilitate the flexible movement of the device between different detection locations, improving detection efficiency. When the device is working, the positioning cones 13 are inserted into the soil, which can firmly fix the device in the detection position, prevent the device from shifting during drilling, ensure that the drill rod 5 can accurately drill into the target position, and ensure the stability and accuracy of the sampling operation.

[0025] Furthermore, handrails 18 are symmetrically fixed on both sides of the housing 2. The handrails 18 facilitate the operator to push the device to move. At the same time, when the device is working, the operator can better control the posture and position of the device through the handrails 18, making the operation more convenient and safe, and improving the convenience and comfort of using the device.

[0026] Example 2

[0027] This embodiment is an improvement on embodiment 1, specifically as follows:

[0028] Please see Figure 1The lifting plate 3 is also equipped with multiple pull ropes 14 arranged in an array on its side. The ends of the pull ropes 14 that pass through the housing 2 are equipped with hooks 15. The top of the positioning cone rod 13 is also equipped with a hanging ring 16 that matches the hooks 15. The side wall of the housing 2 is also provided with side holes 17 for the pull ropes 14 to slide. The cooperation of the pull ropes 14, hooks 15 and hanging rings 16 allows the positioning cone rod 13 to be pulled out of the soil and thus contact the fixing of the device when the lifting plate 3 is reset upward by connecting the hooks 15 at the ends of the pull ropes 14 on the side of the lifting plate 3 with the hanging rings 16 on the positioning cone rod 13 after the soil sampling at a specified depth is completed. This eliminates the need for manual removal and further improves the convenience of using the device.

[0029] Working principle:

[0030] When using the pollutant detection device for environmental impact assessment, firstly, the device is moved to the detection location via the moving wheels 12. Multiple positioning cones 13 are inserted into the soil, and the device is secured using the positioning cones 13. Then, the stability is ensured by the handrail 18. Next, the electric telescopic cylinder 4 is activated, causing the lifting plate 3 to lower the drilling mechanism. The drive element rotates the drill rod 5, initiating drilling into the soil. When the drill rod 5 reaches the designated depth, the first electric push rod 7 is activated, pushing the second electric push rod 8 downwards a certain distance. Subsequently, the second electric push rod 8 pushes the movable plate 9 downwards. The movable plate 9, through the flipping rod 11 and connecting rod 10, drives multiple... The sampling plates 6 are flipped open simultaneously, and the soil enters the funnel-shaped sampling spoon. After sampling, the second electric push rod 8 resets, driving the sampling plates 6 to reset and merge, grabbing the soil sample. Then, the electric telescopic cylinder 4 drives the lifting plate 3 to rise, lifting the drilling mechanism out of the soil. Before the lifting plate 3 resets upward, the hooks 15 at the ends of the multiple pull ropes 14 are connected to the hanging rings 16 on the positioning cone rods 13. After the lifting plate 3 resets, the multiple positioning cone rods 13 can be pulled out of the soil and the device can be released from its fixation. Finally, the operator can perform subsequent testing and analysis on the extracted soil sample to accurately determine the pollution status of the soil at a specified depth.

[0031] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention.

[0032] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A pollutant detection device for environmental impact assessment, comprising a base (1), characterized in that, A cylindrical shell (2) is fixedly installed on the base (1). A lifting plate (3) is movably installed inside the shell (2) via an electric telescopic cylinder (4). A drilling mechanism is installed on the bottom surface of the lifting plate (3). The drilling mechanism includes a drill rod (5) installed vertically and a driving element that drives the drill rod (5) to rotate. A sampling component is also provided at the bottom end of the drill rod (5). The sampling component includes multiple sampling plates (6) arranged in a circumferential array and a driving unit that drives the multiple sampling plates (6) to rotate synchronously. The sampling plates (6) have a petal-shaped structure, and multiple sampling plates (6) can be spliced ​​together to form a funnel-shaped sampling spoon.

2. The pollutant detection device for environmental impact assessment according to claim 1, characterized in that, The drive unit includes a first electric push rod (7), a second electric push rod (8), a movable plate (9), a connecting rod (10), and a flipping rod (11). The bottom end of the drill rod (5) is provided with a groove. The first electric push rod (7) is fixedly installed in the groove, and the telescopic end of the first electric push rod (7) is fixedly installed with the second electric push rod (8). The telescopic end of the second electric push rod (8) is fixedly installed with the movable plate (9). Multiple flipping rods (11) are hingedly installed on the side wall of the movable plate (9). The flipping rods (11) have an "L" shaped structure. The upright of the flipping rod (11) is fixedly connected to the inner side of the sampling plate (6). The horizontal bar of the flipping rod (11) is connected to the side wall of the second electric push rod (8) through the connecting rod (10). The two ends of the connecting rod (10) are respectively hinged to the side walls of the flipping rod (11) and the second electric push rod (8).

3. The pollutant detection device for environmental impact assessment according to claim 1, characterized in that, The base (1) is also equipped with multiple movable wheels (12) on its bottom surface, and multiple positioning cone rods (13) are movably inserted on the base (1). The multiple positioning cone rods (13) are arranged in a ring array around the periphery of the shell (2).

4. The pollutant detection device for environmental impact assessment according to claim 3, characterized in that, The lifting plate (3) is also equipped with a plurality of pull ropes (14) arranged in an array on its side. The pull ropes (14) are connected to hooks (15) at their ends that pass through the housing (2). The top of the positioning cone rod (13) is also equipped with a hanging ring (16) that is compatible with the hooks (15). The side wall of the housing (2) is also provided with side holes (17) for the pull ropes (14) to slide.

5. The pollutant detection device for environmental impact assessment according to claim 1, characterized in that, Handrails (18) are also symmetrically fixed on both sides of the shell (2).

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