Soil moisture stratified sampling device

Abstract

The utility model relates to the technical field of sampling devices, and discloses a soil moisture stratified sampling device, which comprises a sampling rod, the drill bit is fixedly connected to the bottom of the sampling rod; the operation assembly is fixedly connected inside and outside the sampling rod. According to the soil moisture stratified sampling device, a fixed rod, a balance plate, a long rod, a sampling rod and a drill bit are driven by a control handle to rotate and drill into soil for sampling, the soil slides into a plurality of soil storage cavities through a sampling opening and a sample inlet, and a clamping block clamping column pull ring is connected through a sealing cover, so that the sampling barrel is prevented from rotating to influence sampling; a control rod slides in a guide groove to drive a fan-shaped block and a sealing plate to perform position adjustment and control sealing and opening of a sampling opening, so that stratified sampling at different depths of soil is facilitated, and meanwhile, a movable block drives a positioning ring to perform height adjustment through a connecting rod, so that the control rod can be fixed; the elasticity of the spring is utilized to prevent positioning from sliding freely to break away from the control rod.

Description

Technical Field

[0001] The utility model relates to the technical field of sampling devices, in particular to a soil moisture stratification sampling device. Background Art

[0002] Soil moisture is one of the important factors affecting crop yield and water conservation. Soil moisture is important for formulating irrigation schedules, evaluating water and solute flows, and dividing net radiation latent heat and sensible heat. For this reason, a sampling device is needed to sample the soil for moisture content testing.

[0003] In order to facilitate the moisture content test of soil at different depths, the soil is stored in a layered sampling cavity during sampling. However, since the sampling port is open, as the sampling rod descends, it is easy for the layered sampling cavity to be filled with soil before reaching the required depth, so that the sampling cannot be completed smoothly, affecting the progress of subsequent testing. To this end, we provide a soil moisture layered sampling device. Utility Model Content

[0004] The utility model aims to provide a soil moisture stratification sampling device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a soil moisture stratification sampling device, comprising: a sampling rod;

[0006] A drill bit fixedly connected to the bottom of the sampling rod;

[0007] A long rod fixedly connected to the top of the sampling rod;

[0008] A balance plate fixedly connected to the top of the long pole;

[0009] A fixing rod fixedly connected to the top of the balance board;

[0010] A control handle fixedly connected to the top of the fixed rod;

[0011] And an operating assembly fixedly connected inside and outside the sampling rod; the operating assembly comprises a sampling part clamped inside the sampling rod, a sealing part is arranged outside the sampling part, and the sealing part is connected with a fixing part.

[0012] Preferably, the sampling portion includes a built-in groove opened inside the sampling rod, the inner surface of the built-in groove is sleeved with a sampling barrel, a soil storage cavity is opened inside the sampling barrel, a layered plate is fixedly connected to the inner wall of the soil storage cavity, a pull ring is fixedly connected to the top of the sampling barrel, the top of the pull ring is clamped in the bottom groove of the clamping block, the top of the clamping block is fixedly connected to a sealing cover, the sealing cover is clamped to the top of the sampling rod, and a sampling port is opened on the side of the sampling barrel, and the sampling port is connected to the sampling port position opened on the side of the sampling rod.

[0013] Preferably, the sealing portion includes an annular groove formed on the outer wall of the sampling rod, an annular plate is rotatably connected to the inner surface of the annular groove, a sealing plate is fixedly connected to the outer wall of the annular plate, a sector block is fixedly connected to the top of the sealing plate, a control rod is fixedly connected to the top of the sector block, and the top end of the control rod passes through the inner surface of the guide groove formed on the top of the balance plate.

[0014] Preferably, the fixing portion comprises an L-shaped rod fixedly connected to the side of the balance board, the top of the L-shaped rod is fixedly connected to a limiting block, the bottom of the limiting block is fixedly connected to a spring, the end of the spring away from the limiting block is fixedly connected to a movable block, the movable block passes through the outer wall of the L-shaped rod, the side of the movable block is fixedly connected to a positioning ring via a connecting rod, and the positioning ring is slidably connected to the outer wall of the control rod.

[0015] Preferably, the number of the layered plates is set to three, and the three layered plates are respectively and evenly fixedly connected to the inner wall of the soil storage cavity, and the soil storage cavity is divided into multiple layers by using multiple layered plates.

[0016] Preferably, the inner surfaces of the sampling port and the sample inlet are arranged as inner slopes to facilitate the soil to slide into the soil storage cavity.

[0017] Preferably, the shape of the sealing plate is set to be arc-shaped, so as to improve the fit with the outer wall of the sampling rod and increase the sealing degree.

[0018] Preferably, the inner wall of the movable block and the outer wall of the L-shaped rod are arranged to be slidably connected, so that the movable block can drive the positioning ring to slide up and down.

[0019] Compared with the prior art, the utility model provides a soil moisture stratification sampling device, which has the following beneficial effects:

[0020] 1. The soil moisture stratified sampling device drives the fixed rod, the balance plate, the long rod, the sampling rod and the drill bit to rotate and drill into the soil for sampling through the control handle. As the sampling rod descends, the soil slides through the sampling port and the sampling inlet into multiple soil storage cavities. The sealing cover is clamped on the top of the sampling rod to drive the clamping block column pull ring to prevent the sampling tube from rotating and affecting the sampling.

[0021] 2. The soil moisture stratified sampling device drives the fan-shaped block and the sealing plate to adjust their positions by sliding the control rod in the guide groove, thereby controlling the sealing and opening of the sampling port, thereby facilitating stratified sampling at different depths of the soil. At the same time, the movable block drives the positioning ring to adjust its height through the connecting rod, thereby fixing the control rod, and utilizing the elasticity of the spring to prevent the positioning block from sliding away from the control rod at will. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 3 This is a schematic diagram of the structure of the sampling part of the utility model;

[0025] Figure 4 It is a partial structural schematic diagram of the utility model.

[0026] In the figure: 1, sampling rod; 2, drill bit; 3, long rod; 4, balance plate; 5, fixing rod; 6, control handle; 7, operating assembly; 71, sampling part; 711, built-in groove; 712, sampling tube; 713, soil storage cavity; 714, layering plate; 715, sampling port; 716, pull ring; 717, clamping block; 718, sealing cover; 719, injection port; 72, sealing part; 721, annular groove; 722, annular plate; 723, sealing plate; 724, fan-shaped block; 725, control rod; 726, guide groove; 73, fixing part; 731, L-shaped rod; 732, limit block; 733, movable block; 734, spring; 735, connecting rod; 736, positioning ring. DETAILED DESCRIPTION

[0027] 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.

[0028] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] Example 1

[0030] The soil moisture stratification sampling device provided by the utility model is as follows: Figures 1 to 4 As shown: A soil moisture stratified sampling device, comprising: a sampling rod 1;

[0031] A drill bit 2 fixedly connected to the bottom of the sampling rod 1;

[0032] A long rod 3 fixedly connected to the top of the sampling rod 1;

[0033] A balance plate 4 is fixedly connected to the top of the long pole 3;

[0034] A fixing rod 5 fixedly connected to the top of the balance board 4;

[0035] A control handle 6 fixedly connected to the top of the fixed rod 5;

[0036] And an operating assembly 7 fixedly connected to the inside and outside of the sampling rod 1; the operating assembly 7 includes a sampling portion 71 clamped inside the sampling rod 1, a sealing portion 72 is arranged outside the sampling portion 71, and the sealing portion 72 is connected to a fixing portion 73.

[0037] The sampling portion 71 includes a built-in groove 711 opened inside the sampling rod 1, and a sampling tube 712 is sleeved on the inner surface of the built-in groove 711. A soil storage cavity 713 is opened inside the sampling tube 712, and a layered plate 714 is fixedly connected to the inner wall of the soil storage cavity 713. A pull ring 716 is fixedly connected to the top of the sampling tube 712, and the top of the pull ring 716 is clamped in the bottom groove of the clamping block 717. A sealing cover 718 is fixedly connected to the top of the clamping block 717, and the sealing cover 718 is clamped on the top of the sampling rod 1. A sampling port 719 is opened on the side of the sampling tube 712, and the sampling port 719 is connected to the sampling port 715 opened on the side of the sampling rod 1.

[0038] In this embodiment, the number of the layered plates 714 is set to three, and the three layered plates 714 are evenly fixedly connected to the inner wall of the soil storage cavity 713 respectively, and the soil storage cavity 713 is divided into multiple layers by using multiple layered plates 714.

[0039] Furthermore, the inner surfaces of the sampling port 715 and the injection port 719 are configured as inner slopes to facilitate the soil to slide into the soil storage cavity 713 .

[0040] Example 2

[0041] On the basis of Example 1, the soil moisture stratification sampling device provided by the utility model is as follows: Figures 1 to 4 As shown: the sealing portion 72 includes an annular groove 721 opened on the outer wall of the sampling rod 1, the inner surface of the annular groove 721 is rotatably connected to an annular plate 722, the outer wall of the annular plate 722 is fixedly connected to a sealing plate 723, the top of the sealing plate 723 is fixedly connected to a sector block 724, the top of the sector block 724 is fixedly connected to a control rod 725, and the top end of the control rod 725 passes through the inner surface of a guide groove 726 opened on the top of the balance plate 4.

[0042] In this embodiment, the shape of the sealing plate 723 is set to be arc-shaped, which improves the fit with the outer wall of the sampling rod 1 and increases the sealing degree.

[0043] Example 3

[0044] On the basis of Example 1, the soil moisture stratification sampling device provided by the utility model is as follows: Figures 1 to 4 As shown: the fixed part 73 includes an L-shaped rod 731 fixedly connected to the side of the balance board 4, the top of the L-shaped rod 731 is fixedly connected to the limiting block 732, the bottom of the limiting block 732 is fixedly connected to a spring 734, the end of the spring 734 away from the limiting block 732 is fixedly connected to a movable block 733, the movable block 733 passes through the outer wall of the L-shaped rod 731, the side of the movable block 733 is fixedly connected to a positioning ring 736 through a connecting rod 735, and the positioning ring 736 is slidably connected to the outer wall of the control rod 725.

[0045] In this embodiment, the inner wall of the movable block 733 and the outer wall of the L-shaped rod 731 are configured to be slidably connected, so that the movable block 733 can drive the positioning ring 736 to slide up and down.

[0046] In actual operation, when the device is used, the control rod 725 is first used to drive the fan-shaped block 724 to slide to the left side of the guide groove 726, and the fan-shaped block 724 drives the sealing plate 723 to rotate on the outer wall of the sampling rod 1, so that the sampling port 715 is opened, and at the same time, the movable block 733 is slid upward and connected to the positioning ring 736 through the connecting rod 735, and moves upward and sleeves on the outer wall of the control rod 725 to position the sealing plate 723. At this time, the control handle 6 is rotated to synchronously drive the fixed rod 5, the balance plate 4, the long rod 3, the sampling rod 1, and the drill bit 2 to rotate and drill into the soil for sampling. As the sampling rod 1 descends, the soil falls into the bottom soil storage cavity 713 through the sampling port 715 and the sampling port 719.

[0047] When a soil sample of the required depth is needed, the positioning ring 736 moves away from the control rod 725, and the sealing plate 723 is driven by the control rod 725 to rotate to seal the sampling port 715, and the control rod 725 is fixed by the positioning ring 736 on the other side. When the required depth is reached, the sealing plate 723 is opened, and sampling can be continued using the upper soil storage cavity 713, which is convenient for taking soil samples at different depths.

[0048] After completion, open the sealing cover 718, take out the sampling tube 712 through the pull ring 716, and then take it out through the injection port 719.

[0049] 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. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A soil moisture stratification sampling device, comprising: Sampling rod (1); A drill bit (2) fixedly connected to the bottom of the sampling rod (1); A long rod (3) fixedly connected to the top of the sampling rod (1); A balance plate (4) fixedly connected to the top of the long rod (3); A fixing rod (5) fixedly connected to the top of the balancing board (4); A control handle (6) fixedly connected to the top of the fixing rod (5); and an operating assembly (7) fixedly connected to the inside and outside of the sampling rod (1); characterized in that the operating assembly (7) comprises a sampling portion (71) clamped inside the sampling rod (1), a sealing portion (72) is arranged outside the sampling portion (71), and the sealing portion (72) is connected to a fixing portion (73).

2. A soil moisture stratification sampling device according to claim 1, characterized in that: The sampling portion (71) comprises a built-in groove (711) provided inside the sampling rod (1), the inner surface of the built-in groove (711) being sleeved with a sampling tube (712), the interior of the sampling tube (712) being provided with a soil storage cavity (713), the inner wall of the soil storage cavity (713) being fixedly connected with a layered plate (714), the top of the sampling tube (712) being fixedly connected with a pull ring (716), the top end of the pull ring (716) being clamped in a groove at the bottom of a clamping block (717), the top of the clamping block (717) being fixedly connected with a sealing cover (718), the sealing cover (718) being clamped on the top end of the sampling rod (1), and a sampling port (719) being provided on the side of the sampling tube (712), the sampling port (719) being in communication with a sampling port (715) provided on the side of the sampling rod (1).

3. A soil moisture stratification sampling device according to claim 1, characterized in that: The sealing portion (72) comprises an annular groove (721) formed on the outer wall of the sampling rod (1); an annular plate (722) is rotatably connected to the inner surface of the annular groove (721); a sealing plate (723) is fixedly connected to the outer wall of the annular plate (722); a fan-shaped block (724) is fixedly connected to the top of the sealing plate (723); a control rod (725) is fixedly connected to the top of the fan-shaped block (724); a top end of the control rod (725) passes through the inner surface of a guide groove (726) formed on the top of the balance plate (4).

4. A soil moisture stratification sampling device according to claim 1, characterized in that: The fixing portion (73) comprises an L-shaped rod (731) fixedly connected to the side of the balance board (4); the top of the L-shaped rod (731) is fixedly connected to a limit block (732); the bottom of the limit block (732) is fixedly connected to a spring (734); one end of the spring (734) away from the limit block (732) is fixedly connected to a movable block (733); the movable block (733) passes through the outer wall of the L-shaped rod (731); the side of the movable block (733) is fixedly connected to a positioning ring (736) via a connecting rod (735); and the positioning ring (736) is slidably connected to the outer wall of the control rod (725).

5. A soil moisture stratification sampling device according to claim 2, characterized in that: The number of the layered plates (714) is set to three, and the three layered plates (714) are respectively and evenly fixedly connected to the inner wall of the soil storage cavity (713).

6. A soil moisture stratification sampling device according to claim 2, characterized in that: The inner surfaces of the sampling port (715) and the injection port (719) are configured as inner slopes.

7. A soil moisture stratification sampling device according to claim 3, characterized in that: The sealing plate (723) is configured to be in an arc shape.

8. A soil moisture stratification sampling device according to claim 4, characterized in that: The inner wall of the movable block (733) and the outer wall of the L-shaped rod (731) are arranged to be slidably connected.

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