Electric soil screening device

By designing a sliding block assembly and a dustproof limiting platform with a chute structure in the electric soil sieve, accurate weighing of the screened soil sample can be achieved without transferring the soil sample, thus solving the problem of inaccurate sampling caused by soil sample spillage in the existing technology.

CN223556480UActive Publication Date: 2025-11-18HEILONGJIANG TRANSPORT INVESTMENT GRP CO LTD +1
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Patent Information

Application Number
CN202422349451.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-25
Publication Date
2025-11-18
Estimated Expiration
2034-09-25

AI Technical Summary

Technical Problem

Existing electric soil sieves are prone to spillage when transferring soil samples after sieving, resulting in inaccurate soil sample weight results.

Method used

An electric soil sieve was designed, which consists of a base, a screen, and a vibrator. The screen base is equipped with a slider assembly and a weight sensor. The center of the screen has a dustproof limiting platform and a sliding groove. The soil sample is weighed by the matching rotation of the slider and the sliding groove. The screen cover is fixed by a threaded connection to prevent soil sample from spilling.

Benefits of technology

Accurate weighing of soil samples was achieved without transferring them, avoiding spillage during transfer and improving the accuracy of soil sample collection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an electric soil screening device, and belongs to the field of screens. The problem that after an existing electric soil screening device screens soil, the weight result of a soil sample can be affected by a spilled soil sample when the soil sample is transferred, and consequently sampling is inaccurate is solved. The vibrating end of a vibrator on the base is connected with a screen base, the screen base comprises a disc-shaped bottom plate and a middle shaft arranged in the center of the bottom plate, a plurality of sliding block sets are evenly distributed on the middle shaft, each sliding block set comprises two symmetrical sliding blocks, weight sensors are arranged on the sliding blocks, and the middle shaft is sequentially sleeved with a plurality of screens with screen holes decreasing progressively from top to bottom. A dustproof limiting table is arranged in the center of the screen, and two symmetrical vertical sliding grooves and an annular sliding groove are formed in the inner wall of the dustproof limiting table. According to the device, screened soil samples can be weighed under the condition that the soil samples are not transferred, the situation that the soil samples are reduced due to the fact that the soil samples are splashed in the transferring process is avoided, the soil sample weighing accuracy is guaranteed, and operation is easy.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a soil screening device technical field, specifically, an electric soil screening device. BACKGROUND

[0002] The existing soil screening technology mainly relies on manual soil screening and electric soil screening device. Among them, manual soil screening needs people to hold the soil screening device and shake it left and right to screen soil, which not only consumes physical strength, but also causes soil particles to fly out during the screening process, resulting in a large amount of dust. When the soil on the screen is poured into the weighing instrument after the screening is completed, there will be some loss, which will affect the final result of the experiment. Therefore, to replace manual soil screening, an electric soil screening device is usually used to screen soil, which can improve the soil screening efficiency. However, after the electric soil screening device screens the soil, the screened soil still needs to be collected and weighed. During the transfer of the soil sample, some soil samples may still be scattered, which will affect the effect of soil sample collection and lead to inaccurate sampling. SUMMARY

[0003] The technical problem to be solved by the utility model is:

[0004] In order to solve the problem that the soil sample scattered during the transfer of the soil sample after the existing electric soil screening device screens the soil may affect the weight result of the soil sample and lead to inaccurate sampling.

[0005] The utility model adopts the technical scheme to solve the above technical problem:

[0006] The utility model provides an electric soil screening device, including base, screen and vibrator, be equipped with vibrator on the base, the vibration end of the vibrator is connected with screen base, the screen base includes disc bottom plate and the central axis of bottom plate setting, the central axis is uniformly distributed with a plurality of slide block groups, each slide block group includes two slide blocks that are 180 degrees, be equipped with weight sensor on the slide block, a plurality of screen holes are sequentially sleeved on the central axis from top to bottom, the center of the screen is equipped with dustproof limiting table, two vertical sliding grooves are opened on the inner wall of the dustproof limiting table, the two ends of the vertical sliding groove are opened on the upper end face of the dustproof limiting table and on the bottom of the screen, the shape of the vertical sliding groove is matched with the slide block, the included angle between the two vertical sliding grooves is 180 degrees, the inner wall of the dustproof limiting table is equipped with annular sliding groove;

[0007] It also includes a screen cover, the diameter of the screen cover is matched with the outer diameter of the screen, the center of the screen cover is equipped with a screen cover central axis through hole, the screen cover is sleeved on the central axis through the screen cover central axis through hole and connected through threads.

[0008] Further, the upper end face of the dustproof limiting table is flush with the upper end face of the screen.

[0009] Further, the screen base and the base are connected through a plurality of springs.

[0010] Further, two handles are symmetrically arranged on the outer wall of the screen.

[0011] Further, the U-shaped limiting rod, the double-headed threaded fixing pipe and the base limiting rod are further included, the handles of the plurality of screens are arranged in a row, the U-shaped limiting rod is placed on the handles, the handles extend out of the hollow position of the U-shaped limiting rod at this time, and the two ends of the U-shaped limiting rod are detachably connected with the base limiting rod fixed on the base through the double-headed threaded fixing pipe.

[0012] Further, the inner wall of the vertical sliding groove is provided with an anti-collision elastic pad.

[0013] Further, the position of the sliding block is above or below the annular sliding groove of the dustproof limiting table.

[0014] Further, the annular sliding groove is arranged at the center of the dustproof limiting table.

[0015] Further, the bottom of the screen in the lowest layer is in a closed state.

[0016] Further, the positions of the sliding blocks of each group of sliding blocks correspond to each other on the central shaft.

[0017] Compared with the prior art, the electric soil screening device has the following beneficial effects:

[0018] The utility model discloses an electric soil screening device, the vibrator of base is connected with the vibration end of screen base, and the screen base includes disc bottom plate and the central shaft of bottom plate center setting, and the central shaft is evenly distributed with a plurality of groups of sliding blocks, and each group of sliding blocks includes two sliding blocks that are 180 degrees included angle and is equipped with weight sensor on the sliding block, and a plurality of screens are sequentially sleeved on the central shaft from top to bottom in descending order, and the center of screen is equipped with dustproof limiting table, and the inner wall of dustproof limiting table is equipped with two symmetrical vertical sliding grooves and an annular sliding groove, is used for aligning the sliding block with the annular sliding groove after lifting the screen, rotates the screen, makes the screen place on the sliding block, utilizes the weight sensor on the sliding block to weigh the screen and the soil sample in the screen, and the screen cover is sleeved on the central shaft through the screen cover central shaft through -opening and is connected through screw thread, the device can weigh the soil sample screened under the condition of not transferring the soil sample, avoids the soil sample reduction caused by the soil sample flying during the transfer process, guarantees the accuracy of soil sample weighing, and simple operation is achieved. ACCURACY

[0019] Figure 1 It is a perspective view of the electric soil screening device in the utility model embodiment;

[0020] Figure 2 It is a perspective view of the screen and the screen base in the utility model embodiment;

[0021] Figure 3 It is the sectional view of the screen and the screen base in the embodiment of the utility model;

[0022] Figure 4 It is the plan view of the screen in the embodiment of the utility model;

[0023] Figure 5 It is the perspective view of the U-shaped limiting rod in the embodiment of the utility model.

[0024] Mark explanation:

[0025] 1, base;2, central shaft;3, screen cover;4, screen;5, handle;6, U-shaped limiting rod;7, vibrator;8, spring;9, screen base;10, double-thread fixing pipe;11, base limiting rod;201, sliding block;301, screen cover central shaft throughport;401, dustproof limiting table;402, vertical sliding slot;403, annular sliding slot. Specific implementation

[0026] In the description of the utility model, it should be explained that the terms of each embodiment such as "up", "down", "front", "back", "left", "right" and the like indicate the position of the word, only for the position relationship based on the description of the drawing, and do not represent the element and device must be operated according to the specific position of the specification and the defined operation and method, structure, and the like, the position of the word does not constitute the restriction of the utility model.

[0027] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiments of the utility model are described in detail below in conjunction with the drawings.

[0028] Specific implementation scheme one: in conjunction with Figures 1 to 5The utility model provides a kind of electric soil sifter, including pedestal 1, screen 4 and vibrator 7, the pedestal 1 is equipped with vibrator 7, the vibration end of the vibrator 7 is connected with screen base 9, the screen base 9 includes disc bottom plate and the middle shaft 2 being arranged in bottom plate center, multiple groups of sliding block groups are uniformly distributed on the middle shaft 2, each group of sliding block group includes two sliding blocks 201 being 180 ° included angle, weight sensor is equipped on the sliding block 201, multiple screen holes are sequentially sleeved on the middle shaft 2 by screen 4 decreasing from top to bottom, dust limiting platform 401 is equipped at the center of screen 4, two vertical sliding grooves 402 are opened on the inner wall of dust limiting platform 401, the upper end surface opening of dust limiting platform 401 and the bottom opening of screen 4 are respectively opened at the two ends of vertical sliding groove 402, the shape of vertical sliding groove 402 is matched with sliding block 201, the included angle between two vertical sliding grooves 402 is 180 °, for not affecting multiple screen 4 sequentially sleeved on the middle shaft 2, annular sliding groove 403 is opened on the inner wall of dust limiting platform 401, for aligning sliding block 201 with annular sliding groove 403 after screen 4 is lifted, screen 4 is rotated, so that screen 4 is placed on sliding block 201, and the weight sensor on sliding block 201 is used to weigh screen 4 and soil sample in screen 4;It also includes screen cover 3, the diameter of screen cover 3 is matched with the outer diameter of screen 4, screen cover central axis through hole 301 is equipped at the center of screen cover 3, screen cover 3 is sleeved on the middle shaft 2 through screen cover central axis through hole 301 and is connected by screw thread, for preventing soil sample in screen 4 from flying, and multiple screen 4 can be pressed on screen base 9, to avoid screen 4 slipping when vibrating soil.

[0029] The upper end surface of the dust limiting platform 401 is flush with the upper end surface of the screen 4, to prevent the soil sample from escaping from the gap between the sliding block 201 and the sliding groove, ensuring the quality of multi-stage soil screening.

[0030] The screen base 9 and the pedestal 1 are connected by multiple springs 8, which serve as shock absorbers.

[0031] Two handles 5 are symmetrically provided on the outer wall of the screen 4, which facilitates the movement of the screen 4 and the lifting and rotation of the screen 4 during weighing.

[0032] It also includes a U-shaped limiting rod 6, a double-ended threaded fixing tube 10, and a base limiting rod 11. The handles 5 on one side of multiple screens 4 are arranged in a row. The U-shaped limiting rod 6 is placed on a row of handles 5. At this time, the handles 5 extend out of the hollow position of the U-shaped limiting rod 6. The two ends of the U-shaped limiting rod 6 are detachably connected to the base limiting rod 11 fixed on the base 1 through the double-ended threaded fixing tube 10. During assembly, the double-ended threaded fixing tube 10 can be partially sleeved on the base limiting rod 11. After aligning the two ends of the U-shaped limiting rod 6 with the two double-ended threaded fixing tubes 10 respectively, rotating the double-ended threaded fixing tube 10 can fix the U-shaped limiting rod 6, which further prevents the screens 4 from moving up and down.

[0033] The inner wall of the vertical slide groove 402 is provided with an anti-collision elastic pad, which is used to avoid excessive impact damage to the vertical slide groove 402 by the central shaft 2 during vibration, and plays a certain protective role.

[0034] The slider 201 is positioned above or below the circumferential groove 403 of the dustproof limiting platform 401 to prevent the slider 201 from entering the circumferential groove 403 during the soil screening process and damaging the weight sensor.

[0035] The bottom of the bottommost screen 4 is closed, or the inner diameter of the screen base 9 is larger than the inner diameter of the bottommost screen 4, so as to retain the last sieved soil sample on the bottommost screen 4 or on the screen base 9. In order to avoid spillage when transferring the soil sample on the screen base 9, it is preferable that the bottom of the last screen 4 is closed.

[0036] Operating instructions:

[0037] Multiple screens 4 are sequentially fitted onto the central shaft 2 of the screen base 9. The vertical groove 402 of each screen 4 is aligned with the corresponding slider 201. At this time, the multiple screens 4 are in contact sequentially. Only the side wall of the slider 201 contacts the vertical groove 402, and the upper end face does not contact the circumferential groove 403. The weight sensor is in the off state. The U-shaped limiting rod 6 is fitted onto the handles 5 arranged in a row and fixed with the double-ended threaded fixing tube 10. Then, the soil sample is poured onto the top screen 4. The screen cover 3 is fixed to the central shaft 2 with threads. The vibrator 7 is started. After the soil screening is completed, Remove the U-shaped limiting rod 6, then remove the screen cover 3. Grasp the handle 5 and lift the screen 4 until the slider 201 is aligned with the circumferential groove 403. Rotate the screen 4 and obtain the weight from the weight sensor. This weight includes the weight of the screen 4 itself and the weight of the soil being sieved. After weighing, remove the upper screen 4 and continue weighing the next layer. Alternatively, lift all the screens 4 directly, rotate the screens 4 to align the slider 201 with their respective circumferential grooves 403, and weigh both the screens 4 and the soil sample simultaneously. This operation is simpler, but may be affected by the weight of the upper screen 4. Therefore, it is preferable to weigh each layer one by one.

[0038] Although the utility model discloses as above, the protection scope of the utility model discloses not only limit to this. The utility model field technical personnel can carry out various changes and modifications under the premise of not departing from the spirit and scope of the utility model disclosure, and these changes and modifications will fall into the protection scope of the utility model.

Claims

1. An electric soil sieve comprising a base (1), a sieve (4) and a vibrator (7), characterized in that: The base (1) is provided with a vibrator (7), the vibration end of the vibrator (7) is connected with a screen base (9), the screen base (9) comprises a disc-shaped bottom plate and a central shaft (2) arranged at the center of the bottom plate, a plurality of slide block groups are uniformly arranged on the central shaft (2), each slide block group comprises two slide blocks (201) arranged at an angle of 180 degrees, a weight sensor is arranged on the slide block (201), a plurality of screen meshes (4) with screen holes decreasing from top to bottom are sequentially sleeved on the central shaft (2), a dustproof limiting table (401) is arranged at the center of the screen mesh (4), two vertical sliding grooves (402) are formed in the inner wall of the dustproof limiting table (401), the two ends of the vertical sliding grooves (402) are respectively open at the upper end surface of the dustproof limiting table (401) and the bottom of the screen mesh (4), the shape of the vertical sliding grooves (402) is matched with the slide blocks (201), the included angle between the two vertical sliding grooves (402) is 180 degrees, and a circumferential sliding groove (403) is formed in the inner wall of the dustproof limiting table (401). Further comprising a screen cover (3), the diameter of the screen cover (3) is matched with the outer diameter of the screen mesh (4), a screen cover central shaft through hole (301) is arranged at the center of the screen cover (3), and the screen cover (3) is sleeved on the central shaft (2) through the screen cover central shaft through hole (301) and is connected through threads.

2. An electrically powered soil screener as claimed in claim 1 wherein: The upper end surface of the dustproof limiting table (401) is flush with the upper end surface of the screen mesh (4).

3. An electrically powered soil sieve as claimed in claim 2, wherein: The screen base (9) and the base (1) are connected through a plurality of springs (8).

4. An electrically powered soil sieve according to claim 3, wherein: Two handles (5) are symmetrically arranged on the outer wall of the screen mesh (4).

5. An electrically powered soil sieve as claimed in claim 4, wherein: Further comprising a U-shaped limiting rod (6), a double-headed threaded fixing pipe (10) and a base limiting rod (11), one side handle (5) of a plurality of screen meshes (4) is arranged in a row, the U-shaped limiting rod (6) is placed on the row of handles (5), at this time, the handle (5) extends out of the hollow position of the U-shaped limiting rod (6), and the two ends of the U-shaped limiting rod (6) are detachably connected with the base limiting rod (11) fixed on the base (1) through the double-headed threaded fixing pipe (10).

6. An electrically powered soil sieve according to claim 5, wherein: An anti-collision elastic pad is arranged on the inner wall of the vertical sliding groove (402).

7. An electrically powered soil sieve according to claim 6, wherein: The position of the slide block (201) is above or below the circumferential sliding groove (403) of the dustproof limiting table (401).

8. An electrically powered soil sieve according to claim 7, characterised in that: The circumferential sliding groove (403) is arranged at the center of the dustproof limiting table (401).

9. An electrically powered soil sieve according to claim 8, characterised in that: The bottom of the screen mesh (4) at the bottommost layer is in a closed state.

10. An electrically powered soil sieve according to claim 9, characterised in that: The positions of the slide blocks (201) of each slide block group correspond to each other on the central shaft (2). The bottom of the screen mesh (4) at the bottommost layer is in a closed state.