Rapid soil screening device for soil sampling

By using a servo motor-driven screening box and linkage structure, multi-stage soil screening is automated, solving the problem of low efficiency in existing technologies and achieving efficient and rapid soil screening and classification.

CN224253480UActive Publication Date: 2026-05-19KAILI UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
KAILI UNIV
Filing Date
2025-06-18
Publication Date
2026-05-19

AI Technical Summary

Technical Problem

Existing soil screening technologies are inefficient and slow, relying mainly on manual operation, which makes it difficult to meet the needs of efficient screening and classification.

Method used

The screening box, driven by a servo motor, combined with a linkage column and linkage groove structure, realizes the automated movement of the screen plate and performs multiple screenings of soil through multi-stage screens. It is equipped with a stop mechanism and a guide plate to facilitate the classification and collection of materials.

Benefits of technology

It achieves high efficiency and rapid screening of soil, and can classify soil components according to their size, thus improving screening efficiency and speed and making it more convenient to use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a quick soil screener for soil sampling, which relates to the technical field of soil screening and comprises a screening box body, a plurality of screening plates are arranged in the screening box body, screens are fixedly mounted in the screening plates, a bottom mounting plate is fixedly mounted on one side of the bottom of each screening plate, and the screening plates are obliquely arranged. A servo motor is fixedly installed on one side of the screening box body, a control switch is arranged on one side of the screening box body and used for controlling starting and stopping of the servo motor, and the screening box has the advantages that an electric screening structure is adopted, the linkage column and the linkage groove are matched with each other, so that the screening plate located in the screening box is driven to move left and right; and by adopting the double-layer screening structure, soil can be screened for multiple times, and the soil can be classified according to the sizes of different components in the soil, so that the soil screening efficiency is higher, the soil screening speed is higher, and use is more convenient.
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Description

Technical Field

[0001] This utility model relates to the field of soil screening technology, specifically a rapid soil sieve for soil sampling. Background Technology

[0002] Soil testing refers to the detection of soil environmental quality and pollution levels by examining the moisture, microbial content, and components of the soil. It is an important component of existing geological exploration and pollution detection. To facilitate the detection of soil components, soil sieving is generally required to separate the soil into different strata and facilitate subsequent testing. In existing technologies, soil is usually screened manually, which is inefficient and slow. Therefore, we propose a rapid soil sieving device for soil sampling. Utility Model Content

[0003] To address the shortcomings of existing technologies, this invention provides a rapid soil sieve for soil sampling, which solves the problems mentioned in the background section.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a rapid soil sieve for soil sampling, comprising a sieve box body, wherein a plurality of sieve plates are arranged inside the sieve box body, and a screen is fixedly installed inside the plurality of sieve plates. A bottom mounting plate is fixedly installed on one side of the bottom of each sieve plate, and the sieve plates are arranged at an angle. A servo motor is fixedly installed on one side of the sieve box body, and a control switch is provided on one side of the sieve box body for controlling the start and stop of the servo motor. The servo motor can be powered by connecting to an external power source or by installing a mobile power source on the surface of the sieve box body. The output end of the servo motor passes through the interior of the sieve box body and is fixedly installed with a rotating shaft via a coupling. A rotating disc is formed, with a linkage plate fixedly installed between several screen plates. A linkage groove is fixedly installed inside the linkage plate. A linkage column is fixedly installed on one side of the rotating disc, and the linkage column is inserted into the linkage groove and slidably connected to it. A guide plate is fixedly installed inside the screening box body between several screen plates. A discharge chute is opened on one side of the screening box body at the lower end of several screen plates. A receiving hopper is rotatably connected to one side of the screening box body below several discharge chute via a hinge. A blocking mechanism is set on one side of the screening box body on both sides corresponding to several discharge chute. Depending on the usage requirements, two or more screen plates can be set to meet the needs of multi-stage screening.

[0005] Preferably, the blocking mechanism includes four T-shaped slides and two side limiting blocks. The two side limiting blocks are respectively fixedly installed on the corresponding sides of the receiving hopper. The four T-shaped slides are opened in pairs on the corresponding sides of the discharge chute. T-shaped sliders are slidably connected inside each of the four T-shaped slides. A compression spring is fixedly installed on one side of the inner wall of the T-shaped slide. The other end of the compression spring is fixedly connected to one side of the T-shaped slider. L-shaped limiting plates are fixedly installed on one side of the two T-shaped sliders. The L-shaped limiting plates cooperate with the side limiting blocks to limit the position of the receiving hopper.

[0006] Preferably, a handle is fixedly installed on one side of the L-shaped limiting plate, so that the user can move the L-shaped limiting plate by means of the handle.

[0007] Preferably, a receiving tray is slidably connected to the bottom of the inner cavity of the screening box body, a handle is fixedly installed on one side of the receiving tray, and a feeding trough is opened on the top of the screening box body to receive the material that is finally screened out.

[0008] Preferably, a sliding groove is provided on one side of the screening box body, and a sliding block is slidably connected inside the sliding groove. The sliding block is fixedly connected to the bottom mounting plate and limits the position of the screen plate from the rear. A load-bearing strip is provided inside the screening box body and below the lower side of the screen plate. The load-bearing strip and the sliding block at the rear support the screen plate to ensure stability during installation and movement.

[0009] Preferably, the bottom of the upper mounting plate is provided with an arc-shaped groove to prevent the mounting plate and the rotating disk from colliding during movement.

[0010] Preferably, the sieve openings of the upper sieve are larger than those of the lower sieve, which facilitates multi-stage screening.

[0011] This utility model provides a rapid soil sieve for soil sampling, which has the following beneficial effects:

[0012] 1. This rapid soil sieve for soil sampling uses an electric sieve structure. By cooperating with the linkage column and linkage groove, the internal sieve plate moves left and right. With a double-layer sieve structure, the soil can be screened multiple times and classified according to the size of different components in the soil, making the soil sieve more efficient, faster and more convenient to use. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This is a structural schematic diagram from another perspective of the present invention;

[0015] Figure 3 This is a cross-sectional view of the present invention;

[0016] Figure 4 This is a schematic diagram of the structure of the sieve plate of this utility model;

[0017] Figure 5 This utility model Figure 1 Enlarged view of point A in the image.

[0018] In the diagram: 1. Screening box body; 2. Screen plate; 3. Screen mesh; 4. Bottom mounting plate; 5. Servo motor; 6. Rotating disc; 7. Linkage column; 8. Linkage plate; 9. Linkage groove; 10. Guide plate; 11. Discharge chute; 12. Receiving hopper; 13. Side limit block; 14. T-shaped slide groove; 15. Compression spring; 16. T-shaped slider; 17. L-shaped limit plate; 18. Handle; 19. Arc-shaped groove; 20. Feeding chute; 21. Receiving drawer; 22. Handle; 23. Sliding groove; 24. Sliding block. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0020] Please see Figures 1 to 5This utility model provides a technical solution: a rapid soil sieve for soil sampling, including a sieve box body 1. The sieve box body 1 has several sieve plates 2 inside, and screens 3 are fixedly installed inside the sieve plates 2. The screen holes of the upper screens 3 are larger than those of the lower screens 3, facilitating multi-stage screening. A bottom mounting plate 4 is fixedly installed on one side of the bottom of each sieve plate 2. The sieve plates 2 are angled. A servo motor 5 is fixedly installed on one side of the sieve box body 1. A control switch is provided on one side of the sieve box body 1 to control the start and stop of the servo motor 5. The servo motor 5 can be powered by connecting to an external power source or by installing a portable power source on the surface of the sieve box body 1. The output end of the servo motor 5 passes through the interior of the sieve box body 1 and is fixedly mounted on a rotating disk 6 via a coupling. An arc-shaped groove 19 is provided at the bottom of the upper bottom mounting plate 4 to prevent collision between the bottom mounting plate 4 and the rotating disk 6 during movement. A linkage plate 8 is fixedly installed between several screen plates 2. A linkage groove 9 is fixedly installed inside the linkage plate 8. A linkage column 7 is fixedly installed on one side of the rotating disc 6. The linkage column 7 is inserted into the linkage groove 9 and slidably connected to it. A guide plate 10 is fixedly installed inside the screening box body 1 between several screen plates 2. A discharge chute 11 is opened on one side of the screening box body 1 at the lower end of several screen plates 2. A receiving hopper 12 is rotatably connected to one side of the screening box body 1 below several discharge chute 11 via a hinge. A receiving tray 21 is slidably connected to the bottom of the inner cavity of the screening box body 1. A handle 22 is fixedly installed on one side of the receiving tray 21. A feeding chute 20 is opened on the top of the screening box body 1 to catch the last screened material. A blocking mechanism is set on one side of the screening box body 1 on both sides corresponding to several discharge chute 11. Depending on the different usage requirements, two or more screen plates 2 can be set to meet the needs of multi-stage screening.

[0021] The blocking mechanism includes four T-shaped slides 14 and two side limiting blocks 13. The two side limiting blocks 13 are fixedly installed on the corresponding sides of the receiving hopper 12. The four T-shaped slides 14 are opened in pairs on the corresponding sides of the discharge chute 11. T-shaped sliders 16 are slidably connected inside each of the four T-shaped slides 14. A compression spring 15 is fixedly installed on one side of the inner wall of the T-shaped slide 14. The other end of the compression spring 15 is fixedly connected to one side of the T-shaped slider 16. L-shaped limiting plates 17 are fixedly installed on one side of the two T-shaped sliders 16. The L-shaped limiting plates 17 cooperate with the side limiting blocks 13 to limit the position of the receiving hopper 12. A handle 18 is fixedly installed on one side of the L-shaped limiting plate 17 to facilitate the user to move the L-shaped limiting plate 17 through the handle 18.

[0022] A sliding groove 23 is provided on one side of the screening box body 1. A sliding block 24 is slidably connected inside the sliding groove 23. The sliding block 24 is fixedly connected to the bottom mounting plate 4, which limits the position of the screen plate 2 from the rear. A load-bearing bar is provided inside the screening box body 1 and below the lower side of the screen plate 2. The load-bearing bar and the sliding block 24 at the rear support the screen plate 2 to ensure stability during installation and movement.

[0023] In summary, this rapid soil sieve for soil sampling works as follows: First, the soil sample to be sieved is poured into the sieve box 1 through the feeding trough 20. Then, the servo motor 5 is activated by a switch, which drives the rotating disk 6 to rotate. Simultaneously, the linkage column 7 moves inside the linkage groove 9. Due to the positional constraints, this causes several upper and lower sieve plates 2 to move rapidly laterally, causing the soil to move downwards along the inclined sieve plates 2 and onto the screen 3. Based on the size of the screen 3, larger particles such as debris, plant residues, and clods are sieved through the receiving tray 21 along the upper screen 3 and into the upper receiving hopper 12. The sieved soil falls down the guide plate 10 and onto the surface of the lower screen 3 for secondary sieve screening. Relatively larger particles such as smaller stones are then sieved through the lower screen 3. The material falls into the receiving hopper 12 located below, while smaller particles, such as dry, unadhesive soil and sand, fall into the receiving tray 21. Then, the servo motor 5 is turned off, and the receiving tray 21 is pulled out first using the handle 22 to remove the material inside. The material inside the receiving hopper 12 is then removed from bottom to top. When removing the material from the receiving hopper 12, the L-shaped limiting plates 17 on both sides are pulled outwards using the handles 18 to disengage the L-shaped limiting plates 17 from the side limiting blocks 13, thus releasing the restriction on the position of the receiving hopper 12. The receiving hopper 12 is then flipped over. Since one side of the receiving hopper 12 has a convex inclined structure in the middle, it is easy to pour the material into a pre-prepared container after the receiving hopper 12 is rotated 90°. If the weight ratio of the material is more critical, the remaining material on the surface of the receiving hopper 12 can be swept off with a brush.

[0024] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A rapid soil sieve for soil sampling, comprising a sieve box body (1), characterized in that: The screening box body (1) is provided with several screen plates (2) inside, and screen meshes (3) are fixedly installed inside the screen plates (2). A bottom mounting plate (4) is fixedly installed on one side of the bottom of the screen plate (2). The screen plates (2) are arranged obliquely. A servo motor (5) is fixedly installed on one side of the screening box body (1). The output end of the servo motor (5) passes into the interior of the screening box body (1) and is fixedly installed with a rotating disc (6) through a coupling. A linkage plate (8) is fixedly installed between the screen plates (2). A linkage groove (9) is fixedly installed inside the linkage plate (8). The rotating disc ( A linkage column (7) is fixedly installed on one side of the 6), the linkage column (7) is inserted into the inside of the linkage groove (9) and slidably connected to it, a guide plate (10) is fixedly installed inside the screening box body (1) and between several screen plates (2), a discharge trough (11) is opened on one side of the screening box body (1) and at the lower end of several screen plates (2), a receiving hopper (12) is rotatably connected to one side of the screening box body (1) and below several discharge troughs (11) by a hinge, and a blocking mechanism is provided on one side of the screening box body (1) and on the corresponding sides of several discharge troughs (11).

2. The rapid soil sieve for soil sampling according to claim 1, characterized in that: The blocking mechanism includes four T-shaped slides (14) and two side limiting blocks (13). The two side limiting blocks (13) are fixedly installed on the corresponding sides of the receiving hopper (12). The four T-shaped slides (14) are opened in pairs on the corresponding sides of the discharge trough (11). T-shaped sliders (16) are slidably connected inside the four T-shaped slides (14). A compression spring (15) is fixedly installed on one side of the inner wall of the T-shaped slide (14). The other end of the compression spring (15) is fixedly connected to one side of the T-shaped slider (16). L-shaped limiting plates (17) are fixedly installed on one side of the two T-shaped sliders (16). The L-shaped limiting plates (17) cooperate with the side limiting blocks (13).

3. A rapid soil sieve for soil sampling according to claim 2, characterized in that: A handle (18) is fixedly installed on one side of the L-shaped limiting plate (17).

4. A rapid soil sieve for soil sampling according to claim 1, characterized in that: A receiving tray (21) is slidably connected to the bottom of the inner cavity of the screening box body (1). A handle (22) is fixedly installed on one side of the receiving tray (21). A feeding trough (20) is opened on the top of the screening box body (1).

5. A rapid soil sieve for soil sampling according to claim 1, characterized in that: A sliding groove (23) is provided on one side of the screening box body (1), and a sliding block (24) is slidably connected inside the sliding groove (23). The sliding block (24) is fixedly connected to the bottom mounting plate (4).

6. A rapid soil sieve for soil sampling according to claim 1, characterized in that: An arc-shaped groove (19) is provided at the bottom of the upper mounting plate (4).

7. A rapid soil sieve for soil sampling according to claim 1, characterized in that: The sieve openings of the upper sieve (3) are larger than those of the lower sieve (3).