Soil sampling device

Abstract

This application provides a soil sampling device. A driving motor and a telescopic rod assembly are used to drive a sampling screw, allowing the screw to simultaneously pass through the first and second through holes and drill into the target soil area during rotation. Once the screw reaches the appropriate depth, it returns to its original position, allowing the soil sample clamped at the bottom of the screw to pass through the second through hole and enter the sampling chamber. A cleaning brush then cleans the soil sample from the bottom of the screw. Because the bottom inner wall of the sampling chamber has a blocking tube surrounding the second through hole, most of the soil sample falls into the collection groove surrounding the blocking tube and does not fall out of the sampling chamber through the second through hole. This achieves automatic soil sample collection, resulting in higher sampling and transfer / storage efficiency compared to manual sampling methods.

Description

Technical Field

[0001] This application belongs to the field of soil testing technology, and more specifically, relates to a soil sampling device. Background Technology

[0002] Acidified and saline-alkali soils refer to soils where acidification and salinization occur simultaneously. Soil acidification usually means that acidic substances in the soil accumulate and increase, while soil salinization refers to the accumulation of soluble salts in the soil surface. Both of these conditions can have a negative impact on soil fertility and crop growth.

[0003] When conducting testing and analysis on the above-mentioned different types of soil environments, it is necessary to extract soil samples within a certain depth range. However, currently, acidified and saline-alkali soils are mostly sampled and transferred for storage manually. Especially for some complex terrains, manual sampling is relatively time-consuming and labor-intensive, which significantly affects sampling efficiency. Utility Model Content

[0004] The purpose of this application is to provide a soil sampling device that aims to solve the problem that manual sampling and transfer of acidified saline-alkali soil is relatively time-consuming and labor-intensive, especially in complex terrains, which affects sampling efficiency.

[0005] To achieve the above objectives, the technical solution adopted in this application is to provide a soil sampling device, including a sampling box, a fixed support, a drive motor, a telescopic rod assembly, a sampling screw, and a set of movable wheels. The set of movable wheels is located at the bottom of the sampling box, the fixed support is located at the top of the sampling box, the drive motor is located on the fixed support and rotatably connected to the telescopic rod assembly, the telescopic rod assembly is movably connected to the sampling screw in the vertical direction, the top of the sampling box has a first through hole for the sampling screw to pass through in the vertical direction, and the inner wall of the top of the sampling box has a cleaning brush adjacent to the first through hole, the bottom of the sampling box has a second through hole for the sampling screw to pass through in the vertical direction, and the inner wall of the bottom of the sampling box has a blocking tube surrounding the second through hole and a collection groove surrounding the blocking tube.

[0006] In one embodiment, the sampling screw is detachably mounted on the telescopic rod assembly, and a sampling drill bit is provided at the end of the sampling screw facing away from the telescopic rod assembly.

[0007] In one embodiment, the sampling box is hinged to a switch door on the side, and a storage cabinet is fixedly installed inside the sampling box.

[0008] In one embodiment, the side of the sampling box is provided with a ventilation grille relative to the switch box door, and a ventilation fan blade is provided on the outside of the ventilation grille.

[0009] In one embodiment, the soil sampling device further includes a telescopic tube assembly and a box push rod, wherein the telescopic tube assembly is disposed on the side of the sampling box and is movably connected to the box push rod in the vertical direction.

[0010] The beneficial effect of the soil sampling device provided in this application is that, compared with the prior art, the soil sampling device uses a drive motor and a telescopic rod assembly to drive and connect the sampling screw. This allows the sampling screw to simultaneously pass through the first and second through holes and drill into the target soil area during rotation. After the sampling screw reaches an appropriate depth, it returns to its original position. This allows the soil sample clamped at the bottom of the sampling screw to simultaneously pass through the second through hole and enter the sampling box. The cleaning brush is then used to clean the soil sample located at the bottom of the sampling screw. Since the bottom inner wall of the sampling box is provided with a blocking tube surrounding the second through hole, most of the soil sample can fall into the collection groove surrounding the blocking tube under the restriction of the blocking tube, and will not fall out of the sampling box through the second through hole. This ultimately achieves automatic collection of soil samples, which has higher sampling and transfer storage efficiency compared with manual sampling methods. Attached Figure Description

[0011] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0012] Figure 1 This is a schematic diagram of the structure of a soil sampling device provided in one embodiment of this application;

[0013] Figure 2 for Figure 1 A schematic diagram of the soil sampling device from another perspective;

[0014] Figure 3 for Figure 1 A schematic diagram of the cross-sectional structure of the soil sampling device shown.

[0015] In the diagram: 10, Soil sampling device; 100, Sampling box; 110, Cleaning brush; 120, Blocking tube; 130, Collection trough; 140, Switch door; 150, Ventilation grille; 160, Ventilation fan blade; 200, Fixed bracket; 300, Drive motor; 400, Telescopic rod assembly; 500, Sampling screw; 510, Sampling drill bit; 600, Moving wheel assembly; 700, Telescopic tube assembly; 800, Box push rod. Detailed Implementation

[0016] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.

[0017] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0018] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0019] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0020] Please refer to section 1 as well. Figure 3The following describes a soil sampling device 10 provided in an embodiment of this application. The soil sampling device 10 includes a sampling box 100, a fixed bracket 200, a drive motor 300, a telescopic rod assembly 400, a sampling screw 500, and a set of moving wheels 600. The set of moving wheels 600 is disposed on the bottom outer wall of the sampling box 100 and has a locking function to lock the sampling box 100 after it moves to the target sampling position. The set of moving wheels 600 typically includes at least two wheels, for example, two, three, or four. A fixed bracket 200 is installed on the top outer wall of the sampling box 100. A drive motor 300 is installed on the fixed bracket 200 and rotatably connected to a telescopic rod assembly 400. The telescopic rod assembly 400 is movably connected to the sampling screw 500 in the vertical direction. The drive motor 300 and the telescopic rod assembly 400 cooperate to enable the sampling screw 500 to move up and down synchronously in the vertical direction during its rotation. The top of the sampling box 100 has a first through hole (not shown in the figure) for the sampling screw 500 to pass through in the vertical direction. The top of the sampling box 100 also has an inner hole. The wall is provided with a cleaning brush 110 adjacent to the first through hole. The bottom of the sampling box 100 is provided with a second through hole (not shown in the figure) for the sampling screw 500 to pass through in the vertical direction. The bottom inner wall of the sampling box 100 is provided with a blocking tube 120 that is arranged around the second through hole and allows the sampling screw 500 to pass through in the vertical direction, and a collection groove 130 that is arranged around the blocking tube 120. The inner diameter of the blocking tube 120 is adapted to the major diameter of the sampling screw 500. Generally speaking, the inner diameter of the blocking tube 120 is 1-2 mm larger than the major diameter of the sampling screw 500.

[0021] The beneficial effect of the soil sampling device 10 provided in this application is that, compared with the prior art, the soil sampling device 10, through the drive motor 300 and the telescopic rod assembly 400, is connected to the sampling screw 500 via a transmission connection. This allows the sampling screw 500 to simultaneously pass downwards through the first through hole and the second through hole and drill into the target soil area during rotation. Once the sampling screw 500 reaches an appropriate depth, it is reversed and reset upwards. This ensures that the soil sample clamped at the bottom of the sampling screw 500 can simultaneously pass through the second through hole. Upon entering the sampling chamber 100, the cleaning brush 110 is used to clean the soil sample located at the bottom of the sampling screw 500. Since the sampling chamber 100 has a blocking tube 120 surrounding the second through hole on the inner wall at the bottom, most of the soil sample can fall into the collection groove 130 surrounding the blocking tube 120 under the restriction of the blocking tube 120, and will not fall out of the sampling chamber 100 through the second through hole. This achieves automatic collection of soil samples, which has higher sampling and transfer storage efficiency compared with manual sampling.

[0022] Furthermore, in this embodiment, the sampling screw 500 is detachably mounted on the telescopic rod assembly 400 by bolts (not shown in the figure), and a sampling drill bit 510 is provided at the end of the sampling screw 500 facing away from the telescopic rod assembly 400.

[0023] Furthermore, in this embodiment, the sampling box 100 is hinged to a switch box door 140 on its side, and a storage cabinet (not shown) is fixedly installed inside the sampling box 100. Thus, when a soil sample falls into the collection trough 130, the switch box door 140 can be opened again to transfer the soil sample in the collection trough 130 to the storage cabinet. The storage cabinet can be used to store multiple soil samples.

[0024] Please refer to section 2 as well. Figure 3 In this embodiment, the side of the sampling box 100 is provided with a ventilation grille 150 relative to the switch box door 140, and a ventilation fan blade 160 is provided on the outside of the ventilation grille 150. It should be noted that, based on the characteristics of different soil samples, the fine dust attached to the soil sample can be blown out of the sampling box 100 by opening the ventilation fan blade 160 under appropriate circumstances.

[0025] Furthermore, in this embodiment, the soil sampling device 10 also includes a telescopic tube assembly 700 and a box push rod 800. The telescopic tube assembly 700 is disposed on the side of the sampling box 100 and is movably connected to the box push rod 800 in the vertical direction, thereby adaptively adjusting the height of the box push rod 800 to accommodate operators of different heights. Operators can move the sampling device by pushing the push rod 800 by hand.

[0026] The above are merely preferred embodiments of this application and are not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A soil sampling device, characterized by, The device includes a sampling box, a fixed bracket, a drive motor, a telescopic rod assembly, a sampling screw, and a set of movable wheels. The movable wheels are located at the bottom of the sampling box, the fixed bracket is located at the top of the sampling box, the drive motor is mounted on the fixed bracket and rotatably connected to the telescopic rod assembly, and the telescopic rod assembly is movably connected to the sampling screw in a vertical direction. The top of the sampling box has a first through hole in a vertical direction for the sampling screw to pass through, and the inner wall of the top of the sampling box has a cleaning brush adjacent to the first through hole. The bottom of the sampling box has a second through hole in a vertical direction for the sampling screw to pass through, and the inner wall of the bottom of the sampling box has a blocking tube surrounding the second through hole and a collection groove surrounding the blocking tube.

2. The soil sampling device of claim 1, wherein, The sampling screw is detachably mounted on the telescopic rod assembly, and a sampling drill bit is provided at one end of the sampling screw facing away from the telescopic rod assembly.

3. The soil sampling device of claim 1, wherein, The sampling box is hinged to a switch door on its side, and a storage cabinet is fixedly installed inside the sampling box.

4. The soil sampling device of claim 3, wherein, The sampling box is provided with a ventilation grille on the side relative to the switch box door, and a ventilation fan blade is provided on the outside of the ventilation grille.

5. The soil sampling device of any one of claims 1 to 4, wherein, The soil sampling device also includes a telescopic tube assembly and a box push rod. The telescopic tube assembly is located on the side of the sampling box and is movably connected to the box push rod in the vertical direction.

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