A soil sampler for geological exploration

The soil sampler, designed with casters, anchor rods, and graduated lines, solves the problems of mobility and sampling accuracy of traditional soil sampling tools in complex terrain, achieving stable fixation and sample classification, thus improving the efficiency and quality of geological exploration.

CN224945660UActive Publication Date: 2026-11-06河北省地质调查院(河北省碳中和地学研究中心)
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Patent Information

Application Number
CN202522392408.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-11
Publication Date
2026-11-06
Estimated Expiration
2035-11-11

AI Technical Summary

Technical Problem

Traditional soil sampling tools are labor-intensive and inefficient, making it difficult to guarantee sampling depth and uniformity. They are also poorly adaptable to complex terrain, which can easily lead to sampling deviations. Furthermore, sample classification and storage are inconvenient and affect the analysis results.

Method used

A soil sampler was designed, which is fixed with casters and ground-inserting rods. Combined with a drive mechanism and scale lines, it enables stable movement and accurate sampling in complex terrain. The soil sampling tube and the outer tube can be separated or moved as a whole, and can be classified and stored in the sample box with the internal grid rack.

Benefits of technology

It improves the mobility and stability of geological exploration, ensures the accuracy and efficiency of sampling, reduces labor intensity, avoids sample confusion, and improves the quality of exploration work.

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Abstract

This application discloses a soil sampler for geological exploration, belonging to the field of soil sampler technology. It includes a base frame with casters rotatably mounted at each of the four corners. Two vertical rails are fixed to the base frame, and concave handrails are fixed to each rail. A drive mechanism and a sampler are installed between the rails. This device achieves convenient mobility, facilitating movement to different exploration areas. It is stably fixed using two ground-inserting rods, adapting to complex terrain. The drive mechanism and sampler work together, and with the aid of the outer tube's scale lines, the outer tube and the soil sampling tube can be inserted into the soil as a whole, or the soil sampling tube can be inserted into the soil separately along the outer tube. This design achieves precise sampling depth, ensuring sampling accuracy. The square grid inside the sample box facilitates classification and storage, preventing confusion and simplifying management. The overall operation is highly efficient, reducing labor intensity and improving the efficiency and quality of geological exploration work.
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Description

Technical Field

[0001] This application relates to the field of soil sampler technology, and more specifically, to a soil sampler for geological exploration. Background Technology

[0002] In geological exploration, accurately obtaining soil samples at different depths and locations is crucial for analyzing geological structures, soil composition, and environmental conditions. Traditional soil sampling tools, using simple manual digging equipment, are not only labor-intensive and inefficient but also struggle to guarantee sampling depth and uniformity. While some highly mechanized equipment improves efficiency to some extent, it has poor adaptability to complex terrain, is inconvenient to move, and is unstable in its fixed position, easily leading to sampling deviations. Furthermore, it cannot effectively perform precise soil sampling operations at the required depth. After sample collection, there are no reasonable classification and storage facilities, which can easily cause sample confusion and affect subsequent analysis results. Therefore, we propose a soil sampler for geological exploration. Utility Model Content

[0003] 1. Technical problems to be solved The purpose of this application is to provide a soil sampler for geological exploration, which solves the technical problems mentioned in the background art. The device achieves convenient mobility, making it easy to move to different exploration areas. It is stably fixed by two ground-inserting poles, adapting to complex terrain. The drive mechanism and sampler are connected in conjunction. With the help of the scale lines on the outer tube for reference, the outer tube and the soil sampling tube can be inserted into the soil as a whole, or the soil sampling tube can be inserted into the soil separately along the outer tube. This design achieves precise sampling depth of the soil sampling tube, ensuring sampling accuracy. The square grid inside the sample box facilitates classification and storage, prevents confusion and facilitates management. The overall operation is highly efficient, reduces labor intensity, and improves the efficiency and quality of geological exploration work.

[0004] 2. Technical Solution This application provides a soil sampler for geological exploration, comprising: a base frame, universal wheels rotatably mounted at the four corners of the base frame, two vertical rails fixed on the base frame, concave handrails fixed on each vertical rail, and a drive mechanism and a sampler installed between the vertical rails; The sampler includes an outer tube and a soil sampling tube disposed inside the outer tube. A drill bit is threaded to the bottom end of the soil sampling tube. A strip-shaped soil inlet groove is opened along the axial direction of the soil sampling tube. The driving mechanism is used to drive the sampler to move vertically or to drive the soil sampling tube to move along the inner side of the outer tube.

[0005] By adopting the above technical solution, the device uses the base frame as the supporting foundation for the entire sampler. It is convenient to move to different exploration areas by installing four universal wheels and two concave handles. Two vertical rails provide guide tracks for the drive mechanism and the sampler. The sampler consists of an outer tube and an inner soil sampling tube. The outer tube and the soil sampling tube can be connected in a limiting manner and can move as a whole. At the same time, the limiting between the outer tube and the soil sampling tube can also be canceled, so that the soil sampling tube can move along the inner part of the outer tube. That is, after the sampler moves to the specified depth, the soil sampling tube is used to carry out the actual sampling work, so as to achieve accurate soil sampling at the specified depth.

[0006] Optionally, U-shaped blocks are fixed on both sides of the bottom frame, and each U-shaped block is provided with a socket and a grounding rod is installed by plugging in.

[0007] By adopting the above technical solution, when the whole device is pushed to the area where geological exploration is required, the ground-inserting rod on the U-shaped block is then inserted into the ground to firmly fix the whole device to the ground.

[0008] Optionally, a battery power supply device and a sample box are fixed at both ends of the bottom frame, and a grid frame is provided inside the sample box.

[0009] By adopting the above technical solution, the sample box and the battery power supply device are respectively located at both ends of the bottom frame. The symmetrical arrangement ensures good overall balance. The battery power supply device provides electrical energy, and the grid frame inside the sample box can be used to classify and place the sampled soil.

[0010] Optionally, the driving mechanism includes a slide block that slides between two vertical rails, a motor is fixed on the slide block, a lead screw is driven to the output end of the motor, and the bottom end of the lead screw is fixedly connected to the upper end of the soil sampling pipe.

[0011] By adopting the above technical solution, the motor drives the lead screw to rotate. Because the slide block is slidably connected to the vertical rail, the lead screw can be used to drive the sampler to move vertically as a whole, or to drive the soil sampling tube to move along the inside of the outer tube.

[0012] Optionally, a threaded sleeve is fixed to the upper end of the outer tube, and a screw is threadedly installed on the threaded sleeve. The screw thread passes through the threaded sleeve, and two elliptical positioning grooves are opened on the screw. The screw moves through either elliptical positioning groove. A rotating ring is rotatably sleeved on the outer side of the threaded sleeve. Two sliders are fixed on the rotating ring. The sliders are slidably connected to a vertical rail respectively. A scale line is set on the outer axis of the outer tube.

[0013] By adopting the above technical solution, when the screw moves through any elliptical positioning groove of the lead screw, the lead screw will rotate and drive the outer tube and the soil sampling tube to rotate together. The scale line set on the outer tube allows the depth of the outer tube into the ground to be controlled by observing the scale line. When the screw is removed, the soil sampling tube moves along the axis of the outer tube with the lead screw because the lead screw and the screw sleeve are threaded together.

[0014] Optionally, the drill bit is provided with two mounting slots, each of which is threaded with an internal hexagon bolt, which is threaded to the bottom end of the soil sampling pipe.

[0015] By adopting the above technical solution, the two mounting slots on the drill bit are symmetrically distributed, with regular shape and appropriate depth. The drill bit and the soil sampling pipe are fixedly connected by internal hex bolts, which facilitates disassembly and maintenance. When it is necessary to remove the sampled soil, the sampled soil can be easily removed simply by removing the drill bit.

[0016] Optionally, the upper end of the vertical rail is provided with a screw hole for threaded installation of a limiting rod, which is used to limit and fix the slide.

[0017] By adopting the above technical solution, when the sampler is not in use, the limiting rod is used to limit and fix the slide, so that the sampler can be placed above the ground, thereby ensuring that the whole device can be easily pushed and moved.

[0018] 3. Beneficial effects One or more technical solutions provided in this application have at least the following technical effects or advantages: 1. The entire device can be easily moved to different geological exploration areas, and can be quickly and firmly fixed to the ground by inserting two ground-mounted poles, adapting to various complex terrain conditions, ensuring mobility, and ensuring stability during operation; 2. By designing an elliptical positioning groove for the screw and lead screw to limit the connection, the outer tube and the soil sampling tube can rotate together, cooperating with the high-speed rotation of the drill bit to drill into the ground. After the screw is removed, the soil sampling tube can rotate independently with the lead screw, allowing the outer tube to penetrate to the required design depth with reference to the scale line. The soil sampling tube is then used to achieve precise soil sampling at the design depth, improving drilling efficiency and accuracy, and achieving precise control of the sampling depth. 3. After sampling is completed, simply thread the screw through the elliptical positioning groove at the upper end of the lead screw, and start the motor to rotate in the opposite direction. This will cause the soil sampling tube and the outer tube to move upward as a whole, smoothly bringing the collected soil sample out of the ground. After the sample is taken out, it can be placed in the grid rack in the sample box for classification and preservation to avoid sample confusion and facilitate subsequent analysis and research. Attached Figure Description

[0019] Figure 1This is a schematic diagram of the overall structure of a soil sampler for geological exploration disclosed in a preferred embodiment of this application; Figure 2 This is a schematic diagram of the bottom frame and vertical rail structure of a soil sampler for geological exploration, as disclosed in a preferred embodiment of this application. Figure 3 This is a partial cross-sectional view and exploded structural diagram of a soil sampler for geological exploration disclosed in a preferred embodiment of this application; Figure 4 A preferred embodiment of this application discloses a soil sampler for geological exploration. Figure 3 Enlarged structural diagram at point A in the middle; Figure 5 A preferred embodiment of this application discloses a soil sampler for geological exploration. Figure 3 Enlarged structural diagram at point B; The following are the labels in the diagram: 1. Base frame; 11. Casters; 12. U-shaped block; 2. Vertical rail; 3. Concave handrail; 4. Battery power supply device; 5. Sample box; 51. Grid frame; 6. Drive mechanism; 61. Motor; 62. Slide; 63. Lead screw; 631. Elliptical positioning groove; 7. Sampler; 71. Outer tube; 711. Screw sleeve; 712. Screw; 713. Scale line; 72. Soil sampling pipe; 721. Strip-shaped soil inlet groove; 722. Drill bit; 723. Mounting groove; 724. Hex socket head cap screw; 73. Rotary ring; 731. Slider; 8. Ground insertion rod. Detailed Implementation

[0020] The present application will be further described in detail below with reference to the accompanying drawings. Reference Figure 1 and Figure 2 This application provides a soil sampler for geological exploration, comprising: a base frame 1, universal wheels 11 rotatably mounted at the four corners of the base frame 1, two vertical rails 2 fixed on the base frame 1, concave handrails 3 fixed on each of the vertical rails 2, and a drive mechanism 6 and a sampler 7 installed between the vertical rails 2. The sampler 7 includes an outer tube 71 and a soil sampling tube 72 disposed inside the outer tube 71. A drill bit 722 is threadedly fixed to the bottom end of the soil sampling tube 72. The soil sampling tube 72 has a strip-shaped soil inlet groove 721 along the axial direction. The drive mechanism 6 is used to drive the sampler 7 to move vertically or to drive the soil sampling tube 72 to move along the outer tube 71. The device uses the base frame 1 as the support foundation for the entire sampler 7. By installing four universal wheels 11 and cooperating with two concave handles 3, it can be easily pushed and moved to different exploration areas. Two vertical rails 2 provide guide tracks for the drive mechanism 6 and the sampler 7. The sampler 7 consists of an outer tube 71 and an inner soil sampling tube 72. The outer tube 71 and the soil sampling tube 72 can be connected in a limiting manner and can move as a whole. At the same time, the limiting between the outer tube 71 and the soil sampling tube 72 can also be canceled, so that the soil sampling tube 72 can move along the inner part of the outer tube 71. That is, after the sampler 7 moves to the specified depth, the soil sampling tube 72 is used to carry out the actual sampling work, so as to achieve accurate soil sampling at the specified depth.

[0021] Reference Figure 1 and Figure 2 Both sides of the bottom frame 1 are fixed with U-shaped blocks 12. Each U-shaped block 12 is provided with a hole and a ground-inserting rod 8 is installed in a plug-in manner. When the whole device is pushed to the area where geological exploration is required, the ground-inserting rod 8 on the U-shaped block 12 is inserted into the ground to make the whole device firmly fixed on the ground.

[0022] Reference Figure 1 and Figure 2 A battery power supply device 4 and a sample box 5 are fixed at both ends of the bottom frame 1. A grid frame 51 is set inside the sample box 5. The sample box 5 and the battery power supply device 4 are respectively set at both ends of the bottom frame 1. The overall balance is good through the symmetrical arrangement. The battery power supply device 4 provides power energy. The grid frame 51 set inside the sample box 5 can be used to classify and place the sampled soil.

[0023] Reference Figure 3 and Figure 4 The driving mechanism 6 includes a slide block 62 that slides between two vertical rails 2. A motor 61 is fixed on the slide block 62. The output end of the motor 61 is connected to a lead screw 63. The bottom end of the lead screw 63 is fixedly connected to the upper end of the soil sampling tube 72. The motor 61 drives the lead screw 63 to rotate. Because the slide block 62 is slidably connected to the vertical rails 2, the lead screw 63 can be used to drive the sampler 7 to move vertically as a whole, or to drive the soil sampling tube 72 to move along the inner wall of the outer tube 71.

[0024] Reference Figure 3 and Figure 4The upper end of the outer tube 71 is fixed with a threaded sleeve 711, and a screw 712 is threaded onto the threaded sleeve 711. A lead screw 63 is threaded through the threaded sleeve 711, and two elliptical positioning grooves 631 are formed on the lead screw 63. The screw 712 movably passes through either elliptical positioning groove 631. A rotating ring 73 is rotatably sleeved on the outer side of the threaded sleeve 711. Two sliders 731 are fixed on the rotating ring 73, and the sliders 731 are slidably connected to a vertical rail 2 respectively. A scale line 7 is set on the outer axis of the outer tube 71. 13. When the screw 712 moves through any elliptical positioning groove 631 of the lead screw 63, the lead screw 63 rotates, which will drive the outer tube 71 and the soil sampling tube 72 to rotate together. The scale line 713 set on the outer tube 71 allows the depth of the outer tube 71 into the ground to be controlled by observing the scale line 713. When the screw 712 is removed, the soil sampling tube 72 moves along the axis of the outer tube 71 with the lead screw 63 because the lead screw 63 is threadedly connected to the screw sleeve 711.

[0025] Reference Figure 3 and Figure 5 The drill bit 722 has two mounting slots 723, each with a threaded hexagon socket bolt 724. The hexagon socket bolt 724 is threaded to the bottom of the soil sampling tube 72. The two mounting slots 723 on the drill bit 722 are symmetrically distributed, with regular shape and appropriate depth. The drill bit 722 and the soil sampling tube 72 are fixedly connected by the hexagon socket bolt 724, which facilitates disassembly and maintenance. When it is necessary to remove the sampled soil, only the drill bit 722 needs to be removed to easily complete the soil sampling operation.

[0026] Reference Figure 1 and Figure 2 The upper end of the vertical rail 2 is provided with a screw hole for threaded installation of a limiting rod. The limiting rod is used to limit and fix the slide 62. When the sampler 7 is not in use, the limiting rod is used to limit and fix the slide 62, so that the sampler 7 can be placed above the ground, thereby ensuring that the whole device can be easily pushed and moved.

[0027] Working principle: In use, the entire device can be moved to the area where geological exploration is required using the four universal wheels 11. Then, the ground-inserting rod 8 on the U-shaped block 12 is inserted into the ground to firmly fix the entire device to the ground. The limiting rod between the slide 62 and the vertical rail 2 is removed beforehand. Then, the screw 712 is threaded through the elliptical positioning groove 631 at the bottom of the lead screw 63, so that the outer tube 71 and the soil sampling tube 72 can rotate together. The drill bit 722 seals the bottom end of the outer tube 71. The motor 61 drives the lead screw 63 to rotate, so that the outer tube 71 and the soil sampling tube 72 rotate along the rotating ring 73. The drill bit 722 rotates at high speed to drill into the ground. The motor 61 slides along the vertical rail 2 through the slide 62, and the outer tube 71 drives the rotating ring 73 to slide along the vertical rail 2 through the slider 731. By referring to the outer tube 71... The scale line 713 indicates that after the outer tube 71 has been drilled to a certain depth, the screw 712 is removed. As the motor 61 continues to run, the outer tube 71 will not continue to move down, while the soil sampling tube 72 will continue to go deeper into the ground as the drill bit 722 goes deeper. At this time, the strip-shaped soil inlet groove 721 of the soil sampling tube 72 gradually emerges from the bottom end of the outer tube 71, and the soil will be smoothly entered into the soil sampling tube 72, so that the soil sampling tube 72 can complete the soil sampling at the required depth according to the design requirements. After the sampling is completed, the screw 712 is threaded through the elliptical positioning groove 631 at the upper end of the lead screw 63, and the motor 61 is started again to rotate in the opposite direction, so that the soil sampling tube 72 and the outer tube 71 move upward as a whole, and the collected soil sample is smoothly brought out of the ground. Finally, the drill bit 722 is removed, the sample is taken out, and placed in the square grid rack 51 in the sample box 5 for classification and preservation.

Claims

1. A soil sampler for geological exploration, characterized in that: Includes: a base frame (1), with universal wheels (11) rotatably installed at the four corners of the base frame (1), two vertical rails (2) fixed on the base frame (1), concave handrails (3) fixed on the vertical rails (2), and a drive mechanism (6) and a sampler (7) installed between the vertical rails (2). The sampler (7) includes an outer tube (71) and a soil sampling tube (72) located inside the outer tube (71). A drill bit (722) is threaded at the bottom end of the soil sampling tube (72). A strip-shaped soil inlet groove (721) is opened along the axial direction of the soil sampling tube (72). The driving mechanism (6) is used to drive the sampler (7) to move vertically or to drive the soil sampling tube (72) to move along the outer tube (71).

2. A soil sampler for geological exploration according to claim 1, characterized in that: Both sides of the bottom frame (1) are fixed with U-shaped blocks (12), and each U-shaped block (12) is provided with a socket and a grounding rod (8) is installed in a plug-in manner.

3. A soil sampler for geological exploration according to claim 1, characterized in that: The bottom frame (1) is fixed with a battery power supply device (4) and a sample box (5) at both ends, and a grid frame (51) is provided inside the sample box (5).

4. A soil sampler for geological exploration according to claim 1, characterized in that: The drive mechanism (6) includes a slide (62) that slides between two vertical rails (2), a motor (61) is fixed on the slide (62), and a lead screw (63) is connected to the output end of the motor (61). The bottom end of the lead screw (63) is fixedly connected to the upper end of the soil sampling pipe (72).

5. A soil sampler for geological exploration according to claim 4, characterized in that: The upper end of the outer tube (71) is fixed with a threaded sleeve (711), and a screw (712) is threaded on the threaded sleeve (711). The screw (63) is threaded through the threaded sleeve (711). Two elliptical positioning grooves (631) are opened on the screw (63). The screw (712) is movably inserted through either elliptical positioning groove (631). A rotating ring (73) is rotatably sleeved on the outside of the threaded sleeve (711). Two sliders (731) are fixed on the rotating ring (73). The sliders (731) are slidably connected to a vertical rail (2) respectively. A scale line (713) is set on the outer axis of the outer tube (71).

6. A soil sampler for geological exploration according to claim 4, characterized in that: The drill bit (722) is provided with two mounting slots (723), and each mounting slot (723) is threaded with an internal hex bolt (724), which is threaded to the bottom end of the soil sampling pipe (72).

7. A soil sampler for geological exploration according to claim 4, characterized in that: The upper end of the vertical rail (2) is provided with a screw hole for threaded installation of a limiting rod, which is used to limit and fix the slide (62).