Soil sampler for soil detection

Abstract

The soil sampler for soil detection comprises a sampling base plate, a supporting column is assembled at the upper end of the sampling base plate, and the supporting column is sleeved with a sliding base; a sampling rotating hole is formed in the side wall of the sliding seat, a sampling rod is assembled in the sampling rotating hole, a stand column is assembled at the bottom end of the sampling rod, and a drill bit is mounted at the lower end of the stand column; a soil sampling structure is assembled in the stand column; the soil sampling structure comprises a convex groove, an electric push rod b, a servo motor b, rotating teeth, a transverse hole and a sampling cavity; the soil sampler for soil detection is reasonable in structural design; during soil sampling, the electric push rod and the servo motor can be controlled to work at the same time, the electric push rod drives the rotating teeth to move downwards through the servo motor, meanwhile, an output shaft of the servo motor drives the rotating teeth to rotate to penetrate through a sludge layer and pierce into deeper hard soil, and therefore sampling of the hard soil is achieved.

Description

Technical Field

[0001] This patent relates to the technical field of soil samplers, specifically a soil sampler for soil testing. Background Art

[0002] Soil sampling is to take the soil components from a piece of land, and the soil sampler is the tool used for soil sampling. Since soil is an uneven system, in order to understand its nutrient status, physical and chemical properties, we cannot move the entire piece of soil into the laboratory for analysis. Therefore, in the process of environmental science research, soil sampling is needed to study the soil quality.

[0003] However, the soil samplers in the prior art still have some shortcomings. For example, when encountering relatively hard soil, drilling is very time-consuming and labor-intensive, and the soil sampling efficiency is low. Therefore, the prior art needs to be improved. Utility Model Content

[0004] The purpose of this patent is to provide a soil sampler for soil testing to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, this patent provides the following technical solutions: A soil sampler for soil testing, comprising a sampling base plate, the upper end of the sampling base plate is equipped with a support column, and the outside of the support column is covered with a slide seat;

[0006] A sampling rotating hole is provided on the side wall of the slide seat, a sampling rod is installed in the sampling rotating hole, a column is installed at the bottom end of the sampling rod, and a drill bit is installed at the lower end of the column;

[0007] The interior of the column is equipped with a soil sampling structure;

[0008] The soil sampling structure comprises a convex groove, an electric push rod b, a servo motor b, rotating teeth, a transverse hole and a sampling cavity;

[0009] The convex groove is provided in the column, the electric push rod b is installed in the convex groove, and the servo motor b is installed on the output end of the electric push rod b;

[0010] The rotating tooth is installed on the output shaft of the servo motor b, the transverse hole is opened in the convex groove, and the sampling cavity is arranged inside the column and communicated with the transverse hole.

[0011] Preferably, a clamp is clamped between the sampling rod and the column, a fastening plate is mounted at the opening of the clamp, a screw hole is formed on the side wall of the fastening plate, and a bolt body is screwed into the screw hole.

[0012] Preferably, a circular groove is provided at the lower end of the bolt body, a bolt rod is installed in the middle section of the lower end of the circular groove, a fixing ring is installed at the outer upper end of the bolt rod, the circumferential surface of the bolt rod is covered with an annular pressure plate, a spring and an annular rubber sheet, and a fastening nut is threadedly connected to the outside of the bolt rod.

[0013] Preferably, an anti-slipping screw groove is provided at the bottom end of the bolt rod, an anti-slipping screw rod is threadedly connected in the anti-slipping screw groove, and grooves are provided around the outer wall of the bolt rod along the anti-slipping screw groove.

[0014] Preferably, a limiting groove is provided on the inner wall of the clamp, a limiting block is installed on the outer wall of the sampling rod, and the limiting block is installed in the limiting groove.

[0015] Preferably, a drill bit is installed at the bottom end of the column, a vertical groove is formed on the drill bit, the vertical groove and the convex groove are on the same vertical line, and the rotating tooth is placed in the vertical groove.

[0016] Preferably, a lifting groove is provided on the side wall of the support column, an electric push rod a is installed inside the lifting groove, a slider is installed at the end of the electric push rod a, the slide seat is connected to the slider, a servo motor a is installed at the upper end of the slide seat, and the sampling rod is connected to the driving end of the servo motor a.

[0017] Preferably, the outer wall of the support column is provided with scale lines.

[0018] Compared with the prior art, the beneficial effects of this patent are: the soil sampler for soil detection has a reasonable structural design; when sampling soil, the electric push rod and the servo motor can be controlled to work simultaneously, the electric push rod drives the rotating teeth to move downward through the servo motor, and at the same time, the output shaft of the servo motor drives the rotating teeth to rotate through the silt layer and penetrate into deeper hard soil, thereby realizing the sampling of hard soil. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of this patent;

[0020] Figure 2 This is a schematic diagram of the column and drill bit of this patent;

[0021] Figure 3 This is a schematic diagram of the structure of the convex groove, electric push rod b and servo motor b of this patent;

[0022] Figure 4 This is a schematic diagram of the bolt body of this patent.

[0023] In the figure: 1, sampling base plate, 2, slide seat, 3, support column, 4, soil sampling structure, 401, convex groove, 402, electric push rod b, 403, servo motor b, 404, rotating tooth, 405, horizontal hole, 406, sampling cavity, 5, sampling rod, 6, column, 7, drill bit, 8, vertical groove, 9, clamp, 10, servo motor a, 11, electric push rod a, 12, scale line, 13, lifting groove, 14, clamp, 15, bolt body, 151, bolt rod, 152, annular rubber sheet, 153, circular groove, 154, annular pressure piece, 155, extrusion block, 156, fixing ring, 157, spring, 158, fastening nut, 16, screw hole, 17, fastening plate, 18, limit groove, 19, limit block. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of this patent to clearly and completely describe the technical solutions in the embodiments of this patent. Obviously, the described embodiments are only part of the embodiments of this patent, not all of them. Based on the embodiments in this patent, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this patent.

[0025] See also Figure 1-4 , this patent provides a technical solution:

[0026] In the technical solution, a soil sampler for soil detection includes a sampling substrate 1, the upper end of the sampling substrate 1 is equipped with a support column 3, and the outside of the support column 3 is sleeved with a slide seat 2;

[0027] The side wall of the slide 2 is provided with a sampling rotating hole 9, in which a sampling rod 5 is installed, and a column 6 is installed at the bottom end of the sampling rod 5, and a drill bit 7 is installed at the lower end of the column 6;

[0028] The interior of the column 6 is equipped with a soil sampling structure 4;

[0029] The soil sampling structure 4 includes a convex groove 401, an electric push rod b402, a servo motor b403, a rotating tooth 404, a transverse hole 405 and a sampling cavity 406;

[0030] The convex groove 401 is provided in the column 6, the electric push rod b402 is installed in the convex groove 401, and the servo motor b403 is installed on the output end of the electric push rod b402;

[0031] The rotating gear 404 is mounted on the output shaft of the servo motor b403, the transverse hole 405 is provided in the convex groove 401, and the sampling cavity 406 is arranged inside the column 6 and communicated with the transverse hole 405;

[0032] In this technical solution, the external control module is electrically connected to the electric push rod b402 and the servo motor b403, and the external control module controls the electric push rod b402 and the servo motor b403 to work simultaneously, and both the electric push rod b402 and the servo motor b403 are waterproof.

[0033] In some technical solutions, reference Figure 1-4 A clamp 14 is clamped between the sampling rod 5 and the column 6, a fastening plate 17 is installed at the opening of the clamp 14, a screw hole 16 is opened on the side wall of the fastening plate 17, and a bolt body 15 is screwed into the screw hole 16;

[0034] In this technical solution, the column 6 is installed at the lower end of the sampling rod 5 through the clamp 14, and the function of the clamp 14 is realized through the bolt body 15.

[0035] In some technical solutions, reference Figure 1-4 A circular groove 153 is formed at the lower end of the bolt body 15, a bolt rod 151 is installed in the middle section of the lower end of the circular groove 153, a fixing ring 156 is installed at the outer upper end of the bolt rod 151, an annular pressing sheet 154, a spring 157 and an annular rubber sheet 152 are sleeved on the circumferential surface of the bolt rod 151, and a fastening nut 158 ​​is screwed on the outer side of the bolt rod 151;

[0036] In this technical solution, the annular pressing plate 154 is located on the upper side of the fixing ring 156 , the spring 157 is located on the upper side of the annular pressing plate 154 , and the annular rubber sheet 152 is located on the lower side of the fixing ring 156 .

[0037] In some technical solutions, reference Figure 1-4 The bottom end of the bolt rod 151 is provided with an anti-slipping screw groove 22, the anti-slipping screw rod 21 is threadedly connected to the anti-slipping screw groove 22, and the outer wall of the bolt rod 151 is provided with slots 20 along the anti-slipping screw groove 22;

[0038] In this technical solution, the anti-slip screw 21 is screwed into the anti-slip screw groove 22, so that the bolt rod 151 divided into four parts by the groove 20 can be spread open to prevent the fastening nut 158 ​​from falling off. The anti-slip screw 21 is an expansion bolt.

[0039] In some technical solutions, reference Figure 1-4 The inner wall of the clamp 14 is provided with a limiting groove 18, and the outer wall of the sampling rod 5 is provided with a limiting block 19, and the limiting block 19 is installed in the limiting groove 18;

[0040] In this technical solution, the clamp 14 and the column 6 are an integrated structure. When the clamp 14 is installed on the sampling rod 5, the limiting block 19 is placed in the limiting groove 18 to position the clamp 14.

[0041] A drill bit 7 is installed at the bottom end of the column 6 , and a vertical groove 8 is opened on the drill bit 7 . The vertical groove 8 and the convex groove 401 are on the same vertical line, and the rotating tooth 404 is placed in the vertical groove 8 .

[0042] In some technical solutions, a lifting groove 13 is provided on the side wall of the support column 3, an electric push rod a11 is installed inside the lifting groove 13, a slider is installed at the end of the electric push rod a11, the slide seat 2 is connected to the slider, a servo motor a10 is installed at the upper end of the slide seat 2, and the sampling rod 5 is connected to the driving end of the servo motor a10;

[0043] In this technical solution, the electric push rod a11 is extended and retracted in the lifting groove 13 of the support column 3, thereby driving the slide 2 to rise and fall outside the support column 3, and the slider is arranged in contact with the inner wall of the lifting groove 13, and the sampling rod 5 is driven to rotate by the servo motor a10.

[0044] The outer wall of the support column 3 is provided with scale lines 12 .

[0045] Working principle: When in use, the column 6 and the drill bit 7 are put on the sampling rod 5 through the clamp 14, and then the sampling base 1 is placed at the position where sampling is required, the servo motor a 10 is started, and then the electric push rod a 11 is driven to move downward. When the sampling soil is harder, the electric push rod b402 and the servo motor b403 are controlled to work at the same time. The electric push rod b402 drives the rotating tooth 404 to move downward through the servo motor b403. At the same time, the output shaft of the servo motor b403 drives the rotating tooth 404 to rotate through the silt layer and penetrate into the deeper hard soil. The soil enters the sampling cavity 406 along with the rotating tooth 404.

[0046] 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.

[0047] Although the present invention has been described above with reference to the embodiments, various modifications may be made to the embodiments and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in the present specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A soil sampler for soil testing, comprising a sampling substrate (1), characterized in that: The upper end of the sampling substrate (1) is equipped with a support column (3), and the outside of the support column (3) is sleeved with a sliding seat (2); The side wall of the slide seat (2) is provided with a sampling rotating hole (9), a sampling rod (5) is installed in the sampling rotating hole (9), a column (6) is installed at the bottom end of the sampling rod (5), and a drill bit (7) is installed at the lower end of the column (6); The column (6) is internally equipped with a soil sampling structure (4); The soil sampling structure (4) comprises a convex groove (401), an electric push rod b (402), a servo motor b (403), a rotating tooth (404), a transverse hole (405) and a sampling cavity (406); The convex groove (401) is provided in the column (6), the electric push rod b (402) is installed in the convex groove (401), and the servo motor b (403) is installed on the output end of the electric push rod b (402); The rotating tooth (404) is installed on the output shaft of the servo motor b (403), the transverse hole (405) is opened in the convex groove (401), and the sampling cavity (406) is arranged inside the column (6) and communicated with the transverse hole (405).

2. A soil sampler for soil testing according to claim 1, characterized in that: A clamp (14) is clamped between the sampling rod (5) and the column (6); a fastening plate (17) is mounted at the opening of the clamp (14); a screw hole (16) is provided on the side wall of the fastening plate (17); a bolt body (15) is screwed into the screw hole (16).

3. A soil sampler for soil testing according to claim 2, characterized in that: A circular groove (153) is provided at the lower end of the bolt body (15), a bolt rod (151) is installed in the middle section of the lower end of the circular groove (153), a fixing ring (156) is installed at the outer upper end of the bolt rod (151), an annular pressure plate (154), a spring (157) and an annular rubber sheet (152) are mounted on the circumferential surface of the bolt rod (151), and a fastening nut (158) is screwed onto the outer portion of the bolt rod (151).

4. A soil sampler for soil testing according to claim 3, characterized in that: The bottom end of the bolt rod (151) is provided with an anti-slipping screw groove (22), an anti-slipping screw rod (21) is threadedly connected in the anti-slipping screw groove (22), and the outer wall of the bolt rod (151) is provided with slots (20) along the anti-slipping screw groove (22).

5. The soil sampler for soil testing according to claim 2, characterized in that: The inner wall of the clamp (14) is provided with a limiting groove (18), the outer wall of the sampling rod (5) is provided with a limiting block (19), and the limiting block (19) is installed in the limiting groove (18).

6. The soil sampler for soil testing according to claim 1, characterized in that: A drill bit (7) is installed at the bottom end of the column (6), and a vertical groove (8) is opened on the drill bit (7). The vertical groove (8) and the convex groove (401) are located on the same vertical line, and the rotating tooth (404) is placed in the vertical groove (8).

7. The soil sampler for soil testing according to claim 1, characterized in that: The side wall of the support column (3) is provided with a lifting groove (13), the interior of the lifting groove (13) is equipped with an electric push rod a (11), the end of the electric push rod a (11) is installed with a slider, the slide seat (2) is connected to the slider, the upper end of the slide seat (2) is installed with a servo motor a (10), and the sampling rod (5) is connected to the driving end of the servo motor a (10).

8. The soil sampler for soil testing according to claim 1, characterized in that: The outer wall of the support column (3) is provided with scale lines (12).

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