Screening structure for soil heavy metal detection

By using a rolling roller and a filter to separate the debris in soil heavy metal detection, the problem of grassroots and grass blades breaking affects the detection results is solved, and accurate soil screening and detection is achieved.

CN222305892UActive Publication Date: 2025-01-07NANJING GUOSHI TESTING TECH CO LTD
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Patent Information

Application Number
CN202323359499.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-11
Publication Date
2025-01-07
Estimated Expiration
2033-12-11

AI Technical Summary

Technical Problem

Grassroots or grass leaves in the soil are crushed during the crushing process and mixed into the soil, affecting the heavy metal detection results.

Method used

A screening structure for soil heavy metal detection is designed, including the first and second rolling rollers and screening components. The crushing blocks are extruded and broken through the rolling roller and separated debris from soil using a filter screen to prevent grassroots and grass leaves. Enter the soil.

Benefits of technology

Effectively prevent grassroots and grass leaves from mixing into the soil, ensuring the accuracy of the test results, and solving the problem that the crushing of grassroots and grass leaves affects the test results.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a screening structure for soil heavy metal detection, belongs to the technical field of soil screening, and aims to solve the problem that in the process of crushing soil blocks, grass roots or grass leaves are crushed and mixed into screened soil, and the final detection result is affected. A motor in a motor shell drives a first grinding roller and a first gear to rotate, the first gear drives a second grinding roller to rotate through a second gear, the second grinding roller and the first grinding roller rotate, soil blocks in falling soil are extruded and crushed, the output end of a telescopic electric cylinder repeatedly outputs and retracts, and the soil blocks are crushed. The output end of the telescopic electric cylinder drives the connecting frame to rotate in the first rotating groove through the second fixing block, and one end of the connecting frame ascends and descends repeatedly. The soil in the connecting frame rolls in the connecting frame, and along with the movement of the connecting frame, the soil is screened by the filter screen and falls into the collecting frame for subsequent detection, so that grass roots and grass leaves do not exist in the screened soil, and the detection result cannot be influenced.
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Description

Technical Field

[0001] The utility model relates to the technical field of soil screening, in particular to a screening structure for soil heavy metal detection. Background Art

[0002] Soil heavy metal detection is of great significance to agriculture, environmental protection and soil health assessment. It can help people understand the degree of soil pollution and protect the safety of crops and environmental health. When conducting soil heavy metal detection, it is usually necessary to collect representative soil samples, screen the soil, and filter out impurities in the soil. In the process of screening and removing impurities from the soil, because there are grass roots or grass leaves in the soil, in the process of crushing the soil blocks, the grass roots or grass leaves will be broken and mixed into the screened soil, affecting the final test results.

[0003] In view of the above problems, a screening structure for soil heavy metal detection is proposed to solve the above problems. Utility Model Content

[0004] The utility model aims to solve the problem that when there are grass roots or grass leaves in the soil, the grass roots or grass leaves will be broken into pieces and mixed into the sieved soil during the process of crushing the soil blocks, thus affecting the final detection result.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a screening structure for soil heavy metal detection, comprising a shell mechanism and a screening mechanism arranged in the shell mechanism, a collecting mechanism is arranged at the lower part of the shell mechanism, the shell mechanism comprises an outer shell, a material discharge port is arranged on the outer shell, and a chute is arranged at the lower part of the outer side of the shell;

[0006] The screening mechanism includes a motor housing fixedly connected to the outside of the outer shell, the motor inside the motor housing outputs a first rolling roller, one end of the first rolling roller is fixedly connected to a first gear via a connecting rod passing through the outer shell, the first gear is rotatably connected to the outside of the outer shell, the outside of the outer shell is rotatably connected to a second gear, and the second gear is meshed with the first gear, the second gear is fixedly connected to a second rolling roller via a connecting rod passing through the outer shell, and the second rolling roller is rotatably connected to the inside of the outer shell, and a screening component is arranged inside the outer shell.

[0007] Preferably, the screening mechanism is arranged directly below the discharge port, and the mud blocks fall from the discharge port and fall between the first rolling roller and the second rolling roller.

[0008] Preferably, the screening assembly comprises a fixing plate fixedly connected to one side of the inner part of the outer shell, the fixing plate is provided with a first rotating groove, and a connecting frame is rotatably connected in the first rotating groove.

[0009] Preferably, a filter is provided at the lower part of the connection frame to separate debris from soil.

[0010] Preferably, the screening assembly further comprises a first fixed block fixedly connected to one side of the fixed plate, the first fixed block is provided with a second rotating groove, and a telescopic electric cylinder is rotatably connected in the second rotating groove.

[0011] Preferably, the screening assembly further comprises a second fixed block fixedly connected to the lower end of the connecting frame, a third rotating groove is provided below the second fixed block, and the output end of the telescopic electric cylinder is rotatably connected to the second fixed block through the third rotating groove.

[0012] Preferably, the collecting mechanism comprises a collecting frame slidably connected in a sliding groove, and a handle is fixedly connected to one side of the collecting frame.

[0013] Preferably, the collection frame is arranged directly below the connection frame.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. The utility model proposes a screening structure for detecting heavy metals in soil. Through the arrangement of the first rolling roller, the second rolling roller and the screening assembly, the soil blocks can be squeezed and crushed to prevent grass roots and grass leaves from being mixed into the screened soil after being mixed and crushed, thereby affecting the detection results. The utility model solves the problem that when there are grass roots or grass leaves in the soil, the grass roots or grass leaves will be crushed in the process of crushing the soil blocks and mixed into the screened soil, thereby affecting the final detection results. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the housing structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the screening mechanism structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the screening assembly of the utility model;

[0020] Figure 5 It is a schematic diagram of the collection mechanism structure of the utility model.

[0021] In the figure: 1. Shell mechanism; 11. Shell; 12. Feeding port; 13. Slide; 2. Screening mechanism; 21. Motor housing; 22. First rolling roller; 23. First gear; 24. Second gear; 25. Second rolling roller; 26. Screening assembly; 261. Fixed plate; 262. First rotating groove; 263. Connecting frame; 264. First fixed block; 265. Second rotating groove; 266. Telescopic electric cylinder; 267. Second fixed block; 268. Third rotating groove; 3. Collecting mechanism; 31. Collecting frame; 32. Handle. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings.

[0024] Combination Figure 1-Figure 3 The utility model discloses a screening structure for detecting heavy metals in soil, comprising a housing mechanism 1 and a screening mechanism 2 arranged in the housing mechanism 1, a collecting mechanism 3 is arranged at the lower part of the housing mechanism 1, the housing mechanism 1 comprises a shell 11, a material discharge port 12 is arranged on the shell 11, and a chute 13 is arranged at the lower part of the outer side of the shell 11;

[0025] The screening mechanism 2 includes a motor housing 21 fixedly connected to the outside of the outer shell 11, the motor inside the motor housing 21 outputs a first rolling roller 22, and the first rolling roller 22 is rotatably connected to the inside of the outer shell 11, one end of the first rolling roller 22 is fixedly connected to a first gear 23 through a connecting rod passing through the outer shell 11, the first gear 23 is rotatably connected to the outside of the outer shell 11, a second gear 24 is rotatably connected to the outside of the outer shell 11, and the second gear 24 is meshed with the first gear 23, the second gear 24 is fixedly connected to a second rolling roller 25 through a connecting rod passing through the outer shell 11, and the second rolling roller 25 is rotatably connected to the inside of the outer shell 11, and a screening component 26 is arranged inside the outer shell 11.

[0026] The utility model is further described below in conjunction with embodiments.

[0027] Embodiment 1:

[0028] See also Figure 2-Figure 5The screening mechanism 2 is arranged directly below the discharge port 12. The mud blocks fall from the discharge port 12 and fall between the first rolling roller 22 and the second rolling roller 25. The screening assembly 26 includes a fixed plate 261 fixedly connected to one side of the inner part of the housing 11. The fixed plate 261 is provided with a first rotating groove 262. A connecting frame 263 is rotatably connected in the first rotating groove 262. A filter screen is arranged at the lower part of the connecting frame 263 for separating debris from the mud. The screening assembly 26 also includes a first fixed block 264 fixedly connected to one side of the fixed plate 261. The first fixed block 26 4 is provided with a second rotating groove 265, in which a telescopic electric cylinder 266 is rotatably connected, the screening assembly 26 also includes a second fixed block 267 fixedly connected to the lower end of the connecting frame 263, a third rotating groove 268 is provided below the second fixed block 267, and the output end of the telescopic electric cylinder 266 is rotatably connected to the second fixed block 267 through the third rotating groove 268, the collecting mechanism 3 includes a collecting frame 31 slidably connected in the slide groove 13, a handle 32 is fixedly connected to one side of the collecting frame 31, and the collecting frame 31 is arranged directly below the connecting frame 263.

[0029] Specifically, the soil is poured into the discharge port 12, the soil falls and falls into the outer shell 11, the motor inside the motor shell 21 drives the first rolling roller 22 to rotate, the first rolling roller 22 drives the first gear 23 to engage the second gear 24 to rotate, the second gear 24 drives the second rolling roller 25 to rotate, the second rolling roller 25 rotates with the first rolling roller 22, and the soil blocks in the fallen soil are squeezed and broken without crushing the grass roots or grass leaves, and the crushed soil falls into the connecting frame 263, the output end of the telescopic electric cylinder 266 repeatedly outputs and retracts, the output end of the telescopic electric cylinder 266 drives the connecting frame 263 to rotate in the first rotating groove 262 through the second fixed block 267, and one end of the connecting frame 263 repeatedly rises and falls. The soil in the connecting frame 263 rolls in the connecting frame 263. As the connecting frame 263 moves, the soil is screened by the filter and falls into the collecting frame 31. The collecting frame 31 collects the screened soil for subsequent testing, so that there are no grass roots and leaves in the screened soil, which will not affect the test results.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A screening structure for detecting heavy metals in soil, comprising a housing structure (1) and a screening structure (2) arranged in the housing structure (1), wherein a collecting structure (3) is arranged at the lower part of the housing structure (1), and characterized in that: The housing mechanism (1) comprises a housing (11), a material discharge port (12) is provided on the housing (11), and a slide groove (13) is provided at the lower part of the outer side of the housing (11); The screening mechanism (2) comprises a motor housing (21) fixedly connected to the outside of the housing (11); a motor inside the motor housing (21) outputs a first rolling roller (22); one end of the first rolling roller (22) passes through the housing (11) via a connecting rod and is fixedly connected to a first gear (23); the first gear (23) is rotatably connected to the outside of the housing (11); a second gear (24) is rotatably connected to the outside of the housing (11); the second gear (24) is meshingly connected to the first gear (23); the second gear (24) is fixedly connected to a second rolling roller (25) via a connecting rod passing through the housing (11); the second rolling roller (25) is rotatably connected to the inside of the housing (11); a screening assembly (26) is provided inside the housing (11); The screening assembly (26) comprises a fixed plate (261) fixedly connected to one side of the interior of the housing (11); a first rotating groove (262) is provided on the fixed plate (261); a connecting frame (263) is rotatably connected in the first rotating groove (262); a filter screen is provided at the lower part of the connecting frame (263) for separating debris from soil; the screening assembly (26) further comprises a first fixed block (264) fixedly connected to one side of the fixed plate (261); a second rotating groove (265) is provided on the first fixed block (264); a telescopic electric cylinder (266) is rotatably connected in the second rotating groove (265); the screening assembly (26) further comprises a second fixed block (267) fixedly connected to the lower end of the connecting frame (263); a third rotating groove (268) is provided below the second fixed block (267); and an output end of the telescopic electric cylinder (266) is rotatably connected to the second fixed block (267) via the third rotating groove (268).

2. A screening structure for detecting heavy metals in soil according to claim 1, characterized in that: The screening mechanism (2) is arranged directly below the material discharge port (12), and the mud blocks fall from the material discharge port (12) and fall between the first rolling roller (22) and the second rolling roller (25).

3. A screening structure for detecting heavy metals in soil according to claim 1, characterized in that: The collecting mechanism (3) comprises a collecting frame (31) slidably connected in the sliding groove (13), and a handle (32) is fixedly connected to one side of the collecting frame (31).

4. A screening structure for detecting heavy metals in soil according to claim 3, characterized in that: The collecting frame (31) is arranged directly below the connecting frame (263).