Portable soil sample collecting device

Abstract

The utility model relates to the technical field of soil collection, in particular to a portable soil sample collection device which comprises a shell, the device further comprises a one-way manual hydraulic pump and a spiral groove, a rotating column is rotationally connected into the shell, the spiral groove is formed in the surface of the rotating column, a limiting block is slidably connected into the spiral groove and fixedly connected with the inner wall of the shell, and a hydraulic cylinder is rotationally connected to the upper end of the rotating column. After equipment is dragged to a target place through the trailer plate, the shell is erected so as to be perpendicular to the one-way manual hydraulic pump, then a pressing rod of the one-way manual hydraulic pump is manually pressed so that the rotary column can be pressed downwards through the hydraulic oil pipe and the hydraulic cylinder, and the rotary column can be driven to rotate in the process that the rotary column is pressed downwards by the hydraulic cylinder. The sampling cylinder rotates due to the interaction of the spiral groove and the limiting block, so that the lower end of the sampling cylinder is rotatably inserted into soil, then the one-way manual hydraulic pump is screwed to restore the pressure in the hydraulic cylinder, and the rotary column and the hydraulic cylinder are withdrawn under the action of the spring, so that the part, inserted into the soil, of the sampling cylinder is drawn out.

Description

A portable soil sampling device Technical Field

[0001] This utility model relates to the field of soil sampling technology, and in particular to a portable soil sampling device. Background Technology

[0002] Soil sampling is the process of obtaining representative samples from soil. It is crucial in fields such as soil science research, agricultural production, environmental monitoring, and engineering geological exploration. Through sampling, characteristics such as soil fertility, pH, texture, moisture content, and pollutant content can be analyzed. Soil sampling devices are tools specifically designed for sampling, and there are various types to meet different needs. Soil drills are one of the most common soil sampling devices. They consist of a drill rod, drill bit, and handle. They obtain soil samples at different depths by rotation or impact, and are easy to operate and suitable for various soil types.

[0003] Soil sampling is mostly carried out outdoors. In actual operation, electric soil drills often require a stable power supply, but the size and weight of the power supply equipment are relatively large, making them inconvenient to carry. While manual soil drills have the advantage of being easy to carry and are not restricted by the power supply, they are not only relatively laborious when working on hard, heavy, or dense soil, but also easily cause worker fatigue, thus affecting work efficiency.

[0004] Therefore, in view of the above-mentioned situation where electric soil drills require a stable power supply, but the power supply equipment is bulky and heavy and inconvenient to carry outdoors, and manual soil drills are easy to carry but relatively laborious when operating in poor soil conditions, a portable soil sampling device can be designed to solve the above problems. Summary of the Invention

[0005] To overcome the challenges of using electric soil drills for outdoor soil sampling, which require a stable power supply but are bulky and heavy and inconvenient to carry, manual soil drills, while portable, are relatively laborious in poor soil conditions and can easily cause worker fatigue, thus affecting work efficiency.

[0006] The technical solution of this utility model is as follows: a portable soil sampling device, including a shell; it also includes a one-way manual hydraulic pump and a spiral groove. A rotating column is rotatably connected inside the shell. A spiral groove is formed on the surface of the rotating column. A limit block is slidably connected inside the spiral groove and is fixed to the inner wall of the shell. A hydraulic cylinder is rotatably connected to the upper end of the rotating column and is fixed to the shell. A sampling cylinder is fixed to the lower end of the rotating column. A hydraulic oil pipe is installed on the hydraulic cylinder. A one-way manual hydraulic pump is installed at the other end of the hydraulic oil pipe. A trailer plate is fixed to the lower end of the one-way manual hydraulic pump. A rotating joint is fixed to the front end of the upper surface of the one-way manual hydraulic pump. The other end of the rotating joint is fixed to the shell. A spring is installed on the upper end of the outer side of the sampling cylinder.

[0007] Preferably, after the equipment is towed to the target location by a trailer, the outer casing is erected so that it is perpendicular to the one-way manual hydraulic pump. Then, the lever of the one-way manual hydraulic pump is manually pressed to press down the rotating column through the hydraulic oil pipe and the hydraulic cylinder. During the process of being pressed down by the hydraulic cylinder, the rotating column rotates due to the interaction of the spiral groove and the limiting block, so that the lower end of the sampling tube is inserted into the soil in a rotating manner. Then, the one-way manual hydraulic pump is turned to restore the pressure in the hydraulic cylinder, so that the rotating column and the hydraulic cylinder are retracted under the action of the spring, so that the part of the sampling tube inserted into the soil is extracted.

[0008] Preferably, the sampling cylinder passes through the lower end face of the outer shell and is rotatably connected to the outer shell, and the outer shell is rotatably connected to the front end of the one-way manual hydraulic pump through a rotating joint.

[0009] Preferably, the spring is located inside the housing and at the lower end of the rotating column, and an unloading valve knob is installed on one side of the one-way manual hydraulic pump, with the unloading valve installed inside the one-way manual hydraulic pump.

[0010] Preferably, the lower end of the front end of the sampling cylinder is provided with a discharge slot, and multiple cutting teeth are fixedly connected to the lower end face of the sampling cylinder. Limiting plates are fixedly connected to both sides of the one-way manual hydraulic pump.

[0011] Preferably, a bolt is threaded onto one side of the limiting plate, and an insertion hole is provided on one side of the outer casing, with the bolt slidingly connected to the insertion hole.

[0012] Preferably, a wheel is rotatably connected to the front end of the lower end face of the trailer board, a spike plate is fixedly connected to the rear end of the lower end face of the trailer board, and multiple ground spikes are fixedly connected to the lower end face of the spike plate, and a pull ring is fixedly connected to the rear end of the spike plate.

[0013] Preferably, a foot pedal is fixed to one side of the spike plate and the lower end of the insertion hole, a buffer pad is fixed to the rear end face of the outer shell, and magnetic blocks are fixed to the rear end face of the buffer pad and both sides of the upper end face of the one-way manual hydraulic pump.

[0014] The beneficial effects of this utility model are:

[0015] By incorporating a spiral groove, a one-way manual hydraulic pump, and a spring, the equipment is towed to the target location via a trailer. The outer casing is then erected to be perpendicular to the one-way manual hydraulic pump. The pump's lever is then manually pressed to depress the spiral column via hydraulic lines and a hydraulic cylinder. As the column is pressed down, it rotates due to the interaction between the spiral groove and the limiting block, inserting the lower end of the sampling tube into the soil. The one-way manual hydraulic pump is then turned to restore the pressure in the hydraulic cylinder, allowing the spiral column and cylinder to retract under the spring's action, thus extracting the portion of the sampling tube inserted into the soil. This method saves workers' physical effort during sampling without relying on an external power source or fuel, and ensures portability while reducing operating costs. Attached Figure Description

[0016] Figure 1 shows a three-dimensional structural diagram of the unfolded state of this utility model;

[0017] Figure 2 shows a schematic diagram of the three-dimensional structure of the spiral column of this utility model;

[0018] Figure 3 shows a three-dimensional structural diagram of the limiting block of this utility model;

[0019] Figure 4 shows a partially enlarged schematic diagram of the sampling tube of this utility model;

[0020] Figure 5 shows a three-dimensional structural diagram of the spiked barb of this utility model;

[0021] Figure 6 shows a three-dimensional structural diagram of the folded state of this utility model.

[0022] Explanation of reference numerals in the attached drawings: 1. Outer shell; 2. Rotary column; 3. Spiral groove; 4. Limiting block; 5. Hydraulic cylinder; 6. Sampling cylinder; 7. Hydraulic oil pipe; 8. One-way manual hydraulic pump; 9. Trailer plate; 10. Rotary joint; 11. Spring; 12. Unloading valve knob; 13. Unloading slot; 14. Cutting teeth; 15. Limiting plate; 16. Bolt; 17. Insertion hole; 18. Spike plate; 19. Foot pedal; 20. Pull ring; 21. Buffer pad; 22. Magnetic block. Detailed Implementation

[0023] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0024] Please refer to Figures 1-6. This utility model provides an embodiment: a portable soil sampling device, including a shell 1; it also includes a one-way manual hydraulic pump 8 and a spiral groove 3. A rotating column 2 is rotatably connected inside the shell 1. The surface of the rotating column 2 has a spiral groove 3. A limiting block 4 is slidably connected inside the spiral groove 3, and the limiting block 4 is fixedly connected to the inner wall of the shell 1. A hydraulic cylinder 5 is rotatably connected to the upper end of the rotating column 2, and the hydraulic cylinder 5 is fixedly connected to the shell 1. A sampling cylinder 6 is fixedly connected to the lower end of the rotating column 2. A hydraulic oil pipe 7 is installed on the hydraulic cylinder 5. A one-way manual hydraulic pump 8 is installed at the other end of 7. A trailer plate 9 is fixed to the lower end of the one-way manual hydraulic pump 8. A rotating joint 10 is fixed to the front end of the upper surface of the one-way manual hydraulic pump 8. The other end of the rotating joint 10 is fixed to the outer casing 1. A spring 11 is installed at the upper end of the outer side of the sampling cylinder 6. After the equipment is dragged to the target location by the trailer plate 9, the outer casing 1 is erected so that the outer casing 1 is perpendicular to the one-way manual hydraulic pump 8. Then, the pressure rod of the one-way manual hydraulic pump 8 is manually pressed to press down the rotating column 2 through the hydraulic oil pipe 7 and the hydraulic cylinder 5. The rotating column 2 is pressed down by the hydraulic cylinder 5. During the pressing process, the spiral groove 3 and the limiting block 4 rotate, causing the lower end of the sampling cylinder 6 to be inserted into the soil. Then, the one-way manual hydraulic pump 8 is turned to restore the pressure inside the hydraulic cylinder 5, allowing the rotating column 2 and hydraulic cylinder 5 to retract under the action of the spring 11, thus extracting the portion of the sampling cylinder 6 inserted into the soil. The sampling cylinder 6 passes through the lower end face of the outer shell 1 and is rotatably connected to the outer shell 1. The outer shell 1 is rotatably connected to the front end of the one-way manual hydraulic pump 8 via a rotating joint 10. The spring 11 is located inside the outer shell 1 and at the lower end of the rotating column 2. An unloading valve knob 12 is installed on one side of the manual hydraulic pump 8, and the unloading valve is installed inside the one-way manual hydraulic pump 8. The unloading valve knob 12 is used to control the unloading valve inside the one-way manual hydraulic pump 8. The model of the one-way manual hydraulic pump 8 is set as CP-180. A discharge slot 13 is opened at the lower end of the front end of the sampling cylinder 6. Multiple cutting teeth 14 are fixed to the lower end face of the sampling cylinder 6. Limiting plates 15 are fixed to both sides of the one-way manual hydraulic pump 8. When the sampling cylinder 6 is pressed down and rotated, the cutting teeth 14 can increase the cutting force of the sampling cylinder 6 on the soil.

[0025] Please refer to Figures 3, 5, and 6. In this embodiment, a bolt 16 is threaded onto one side of the limiting plate 15. An insertion hole 17 is provided on one side of the outer casing 1. The bolt 16 is slidably connected to the insertion hole 17. After the outer casing 1 is erected, the bolt 16 must be tightened first to insert the end of the bolt 16 into the insertion hole 17 to limit the angle of the outer casing 1. Only then can the rotating column 2 be pressed down. A rotating wheel is rotatably connected to the front end of the lower end face of the trailer plate 9. A spike plate 18 is fixedly connected to the rear end of the lower end face of the trailer plate 9, and multiple ground spikes are fixedly connected to the lower end face of the spike plate 18. A pull rod is fixedly connected to the rear end of the spike plate 18. Ring 20 and spike plate 18 can fix trailer plate 9 to the ground with their own ground spikes to prevent trailer plate 9 from sliding. A foot pedal 19 is fixed to one side of spike plate 18 and the lower end of insertion hole 17. A buffer pad 21 is fixed to the rear end face of housing 1. Magnetic blocks 22 are fixed to the rear end face of buffer pad 21 and both sides of the upper end face of one-way manual hydraulic pump 8. When pressing the lever of one-way manual hydraulic pump 8 by hand, two foot pedals 19 need to be stepped on to suppress the shaking of the device. When folding the device, housing 1 can be laid flat so that housing 1 can be fixed to one-way manual hydraulic pump 8 by magnetic blocks 22.

[0026] When in use, after the equipment is dragged to the target location by the trailer plate 9, the trailer plate 9 is fixed to the ground by the ground spikes of the spike plate 18 to prevent the trailer plate 9 from sliding. Then, the housing 1 is erected so that the housing 1 is perpendicular to the one-way manual hydraulic pump 8. Then, the bolt 16 is tightened to insert the end of the bolt 16 into the socket 17 to limit the angle of the housing 1.

[0027] Next, you need to step on the two pedals 19 to suppress the shaking of the device, and press the lever of the one-way manual hydraulic pump 8 by hand to press down the rotating column 2 through the hydraulic oil pipe 7 and the hydraulic cylinder 5. During the process of being pressed down by the hydraulic cylinder 5, the rotating column 2 rotates due to the interaction between the spiral groove 3 and the limiting block 4, so that the lower end of the sampling cylinder 6 is inserted into the soil in a rotating manner. When the sampling cylinder 6 is pressed down and rotated, the cutting teeth 14 can increase the cutting force of the sampling cylinder 6 on the soil.

[0028] Then, the one-way manual hydraulic pump 8 is turned to restore the pressure inside the hydraulic cylinder 5, allowing the rotating column 2 and the hydraulic cylinder 5 to retract under the action of the spring 11, so that the part of the sampling cylinder 6 inserted into the soil is pulled out. Then, the sample from the sampling cylinder 6 is pulled out by inserting the stick into the unloading slot 13. Finally, when folding the device, the outer shell 1 can be laid flat so that the outer shell 1 can be fixed to the one-way manual hydraulic pump 8 by the magnetic block 22, so as to facilitate the transfer of the device.

[0029] Through the above steps, by setting up the spiral groove 3, the one-way manual hydraulic pump 8, and the spring 11, the equipment is dragged to the target location via the trailer plate 9. The outer casing 1 is then erected so that it is perpendicular to the one-way manual hydraulic pump 8. Then, the lever of the one-way manual hydraulic pump 8 is manually pressed to press down the spiral column 2 through the hydraulic oil pipe 7 and the hydraulic cylinder 5. During the process of being pressed down by the hydraulic cylinder 5, the spiral column 2 rotates due to the interaction between the spiral groove 3 and the limiting block 4, so that the lower end of the sampling tube 6 is inserted into the soil in a rotating manner. Then, the one-way manual hydraulic pump 8 is turned to restore the pressure in the hydraulic cylinder 5, allowing the spiral column 2 and the hydraulic cylinder 5 to retract under the action of the spring 11, so that the part of the sampling tube 6 inserted into the soil is extracted. Thus, without relying on an external power source and fuel, the physical strength of the worker during sampling operations is saved, and the portability of the device is ensured while reducing the cost of using the device.

Claims

1. A portable soil sampling device, comprising a casing (1); characterized in that: It also includes a one-way manual hydraulic pump (8) and a spiral groove (3). A rotating column (2) is rotatably connected inside the outer shell (1). A spiral groove (3) is opened on the surface of the rotating column (2). A limit block (4) is slidably connected inside the spiral groove (3), and the limit block (4) is fixed to the inner wall of the outer shell (1). A hydraulic cylinder (5) is rotatably connected to the upper end of the rotating column (2), and the hydraulic cylinder (5) is fixed to the outer shell (1). A sampling cylinder (6) is fixed to the lower end of the rotating column (2). A hydraulic oil pipe (7) is installed on the hydraulic cylinder (5). A one-way manual hydraulic pump (8) is installed at the other end of the hydraulic oil pipe (7). A trailer plate (9) is fixed to the lower end of the one-way manual hydraulic pump (8). A rotating joint (10) is fixed to the front end of the upper surface of the one-way manual hydraulic pump (8). The other end of the rotating joint (10) is fixed to the outer shell (1). A spring (11) is installed on the upper end of the outer side of the sampling cylinder (6).

2. The portable soil sampling device according to claim 1, characterized in that: The sampling cylinder (6) passes through the lower end face of the outer shell (1) and is rotatably connected to the outer shell (1). The outer shell (1) is rotatably connected to the front end of the one-way manual hydraulic pump (8) through the rotating joint (10).

3. The portable soil sampling device according to claim 1, characterized in that: The spring (11) is located inside the housing (1) and at the lower end of the rotating column (2). A relief valve knob (12) is installed on one side of the one-way manual hydraulic pump (8), and the relief valve is installed inside the one-way manual hydraulic pump (8).

4. The portable soil sampling device according to claim 1, characterized in that: The sampling cylinder (6) has a discharge slot (13) at the lower end of its front end, and multiple cutting teeth (14) are fixed to the lower end face of the sampling cylinder (6). Limiting plates (15) are fixed to both sides of the one-way manual hydraulic pump (8).

5. A portable soil sampling device according to claim 4, characterized in that: A bolt (16) is threaded onto a limiting plate (15) on one side, and an insertion hole (17) is provided on one side of the outer shell (1). The bolt (16) is slidably connected to the insertion hole (17).

6. A portable soil sampling device according to claim 1, characterized in that: The front end of the lower end face of the trailer plate (9) is rotatably connected to a wheel, and the rear end of the lower end face of the trailer plate (9) is fixedly connected to a spike plate (18), and the lower end face of the spike plate (18) is fixedly connected to multiple ground spikes, and the rear end of the spike plate (18) is fixedly connected to a pull ring (20).

7. A portable soil sampling device according to claim 6, characterized in that: A foot pedal (19) is fixedly connected to one side of the spike plate (18) and the lower end of the insertion hole (17). A buffer pad (21) is fixedly connected to the rear end face of the outer shell (1). Magnetic blocks (22) are fixedly connected to both sides of the rear end face of the buffer pad (21) and the upper end face of the one-way manual hydraulic pump (8).

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