Soil sampling device

Abstract

The utility model discloses a soil sampling device, which relates to the technical field of soil detection and comprises a collecting tube, a bulldozing block is slidably connected in the collecting tube, a limit ring is arranged above the bulldozing block, the limit ring is fixedly connected in the collecting tube, a return spring is arranged between the bulldozing block and the limit ring, and a traction rope is arranged at the top of the bulldozing block. Winding and unwinding of the traction rope are controlled by a traction assembly, the traction assembly is arranged in the collecting pipe, and a knocking block is arranged at the top of the collecting pipe. Through the arrangement of the soil sampling device disclosed by the utility model, the soil can be conveniently taken out from the sampling tube after the soil is sampled, and the residual quantity of the soil in the sampling tube is reduced.

Description

Technical Field

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

[0002] In the environmental protection field, soil sampling and analysis are necessary to determine the soil quality in a specific area. This requires sampling soil layers at varying depths. For example, soil sampling devices are required to perform stratified sampling of soil at varying depths. These devices are typically made of stainless steel and use a pointed tip to collect soil. The sample is then used to study the nutrient content of the soil. Traditional soil sampling drills require manual deduction of the sample after sampling, have weak buffering capacity, and feature a smooth, curved head, making them time-consuming and labor-intensive.

[0003] To this end, the utility model proposes a soil sampling device which can facilitate taking out soil from a sampling tube after soil sampling and reduce the amount of soil residue in the sampling tube. Utility Model Content

[0004] The purpose of the utility model is to solve the defects in the prior art and to propose a soil sampling device.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A soil sampling device includes a collection tube, a bulldozer block is slidably connected to the collection tube, a limit ring is provided above the bulldozer block, the limit ring is fixedly connected to the inside of the collection tube, a return spring is provided between the bulldozer block and the limit ring, a traction rope is provided on the top of the bulldozer block, the retraction and extension of the traction rope is controlled by a traction assembly, the traction assembly is provided in the collection tube, and a knocking block is provided on the top of the collection tube.

[0007] Furthermore, a limiting groove is provided on the inner wall of the collection tube, and a limiting protrusion is provided on the outer wall of the bulldozer block. The limiting protrusion is matched with the limiting groove, and a shovel plate is fixedly connected to the lower end of the bulldozer block and the limiting protrusion.

[0008] Furthermore, the traction assembly includes a traction roller, which is rotatably connected to a drive shaft. The drive shaft is rotatably disposed in the collection tube and is driven by a drive motor.

[0009] Furthermore, the drive shaft has a two-section structure, the first section is connected to the drive motor, and the second section is slidably arranged in the fixed handle. A movable handle is horizontally slidably connected to one side of the fixed handle, and the movable handle is connected to the fixed handle by a tension spring. An accommodating cavity is provided in the movable handle, and a through hole for the second section of the drive shaft to pass through is provided on one side of the accommodating cavity. The control roller in the accommodating cavity is fixedly connected to the drive shaft, the diameter of the control roller is larger than the diameter of the drive shaft, and the first section of the drive shaft is connected to the second section of the drive shaft by a clutch plate.

[0010] Furthermore, the collection tube is provided with two groups of handles, the fixed handle and the movable handle form one group of handles, and a driving motor is provided in the other group of handles.

[0011] Beneficial effects

[0012] Compared with the prior art, the beneficial effect of the present invention is that: through the setting of the present invention, a soil sampling device is proposed that can facilitate the removal of soil from the sampling tube after soil sampling and reduce the amount of soil residue in the sampling tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention.

[0014] Figure 1 Schematic diagram of the overall structure of the soil sampling device.

[0015] Figure 2 Schematic diagram of the internal structure of the soil sampling device.

[0016] Figure 3 Schematic diagram of the enlarged structure of part A.

[0017] Figure 4 Schematic diagram of the enlarged structure of part B.

[0018] In the figure: 1. knocking block; 2. handle; 3. fixed handle; 4. movable handle; 5. collection tube; 6. limit groove; 7. return spring; 8. tension spring; 9. traction roller; 10. clutch plate; 11. drive motor; 12. limit ring; 13. bulldozer block; 14. shovel plate. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0020] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0021] Reference Figure 1 - Figure 4 A soil sampling device includes a collection tube 5, a bulldozer 13 is slidably connected to the collection tube 5, a limit ring 12 is provided above the bulldozer 13, the limit ring 12 is fixedly connected to the inside of the collection tube 5, a return spring 7 is provided between the bulldozer 13 and the limit ring 12, a traction rope is provided on the top of the bulldozer 13, the retraction and extension of the traction rope is controlled by the traction assembly, the traction assembly is provided in the collection tube 5, and a knocking block 1 is provided on the top of the collection tube 5.

[0022] Before sampling, first use the traction assembly to retract the traction rope, move the bulldozer block 13 upward, and compress the return spring 7. After preparation is completed, place the collection tube 5 above the soil to be tested. The operator uses a hammer or other objects to knock the knocking block 1 to embed the collection tube 5 into the soil. After the collection is completed, the collection tube 5 is pulled out, the traction assembly is controlled to release the traction rope, and the return spring 7 rebounds to assist the soil in falling. In addition, since the outer diameter of the bulldozer block 13 is adapted to the inner diameter of the collection tube 5, the inner wall of the collection tube 5 can be cleaned during the downward movement of the bulldozer block 13.

[0023] In other preferred embodiments, the inner wall of the collection tube 5 is provided with a limit groove 6, and the outer wall of the bulldozer 13 is provided with a limit protrusion. The limit protrusion is adapted to the limit groove 6, and a shovel plate 14 is fixedly connected to the lower end of the bulldozer 13 and the limit protrusion. The limit groove 6 is provided in two sets and is symmetrically arranged, so that the collection tube 5 can only move along its length. The shovel plate 14 can be used to deeply clean the soil on the inner wall of the collection tube 5 to prevent soil residue.

[0024] In other preferred embodiments, the traction assembly includes a traction roller 9, which is rotatably connected to a drive shaft. The drive shaft is rotatably disposed within the collection tube 5 and driven by a drive motor 11. The end of the traction rope is fixedly mounted on the traction roller 9, and the rotation of the traction roller 9 drives the traction rope to be retracted and extended.

[0025] Specifically, the drive shaft has a two-section structure, with the first section connected to the drive motor 11 and the second section slidably disposed within the fixed handle 3. A movable handle 4 is horizontally slidably connected to one side of the fixed handle 3. The movable handle 4 is connected to the fixed handle 3 via a tension spring 8. A receiving cavity is provided within the movable handle 4, with a through hole provided on one side of the receiving cavity for the passage of the second section of the drive shaft. A control roller within the receiving cavity is fixedly connected to the drive shaft. The diameter of the control roller is larger than that of the drive shaft. The first section of the drive shaft is connected to the second section of the drive shaft via a clutch plate. With this structure, after collection is completed in the collection tube 5, the movable handle 4 is pulled outward, and the control roller drives the second section of the drive shaft away from the first section, causing the two clutch plates to disengage. Due to the free rotation of the control roller and the second section of the drive shaft, the traction rope is quickly released by the action of the return spring 7, increasing the impact force on the soil sample and facilitating the soil's descent. After the soil sample is released, the movable handle returns to its original position via the tension spring, reconnecting the two clutch plates at the ends of the second section and the first section, allowing the drive motor 11 to resume control of the drive shaft.

[0026] In order to ensure that the bulldozer block 13 is separated from the collection pipe 5 , it is also necessary to set a limit block on the inner wall of the collection pipe 5 to block the bulldozer block 13 .

[0027] The collection tube 5 is provided with two groups of handles, wherein the fixed handle 3 and the movable handle 4 form one group of handles, and the driving motor 11 is provided in the other group of handles 2 .

[0028] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A soil sampling device, characterized in that: It includes a collection tube, a bulldozer block is slidably connected inside the collection tube, a limit ring is provided above the bulldozer block, the limit ring is fixedly connected to the inside of the collection tube, a return spring is provided between the bulldozer block and the limit ring, a traction rope is provided on the top of the bulldozer block, the retraction and extension of the traction rope is controlled by a traction assembly, the traction assembly is provided in the collection tube, and a knocking block is provided on the top of the collection tube.

2. A soil sampling device according to claim 1, characterized in that: A limiting groove is provided on the inner wall of the collection tube, and a limiting protrusion is provided on the outer wall of the bulldozer block. The limiting protrusion is matched with the limiting groove, and a shovel plate is fixedly connected to the lower ends of the bulldozer block and the limiting protrusion.

3. A soil sampling device according to claim 1, characterized in that: The traction assembly includes a traction roller, which is rotatably connected to a drive shaft. The drive shaft is rotatably arranged in the collection tube and is driven by a drive motor.

4. A soil sampling device according to claim 3, characterized in that: The drive shaft has a two-section structure, the first section is connected to the drive motor, and the second section is slidably arranged in the fixed handle. A movable handle is horizontally slidably connected to one side of the fixed handle. The movable handle is connected to the fixed handle by a tension spring. An accommodating cavity is provided in the movable handle, and a through hole for the second section of the drive shaft to pass through is provided on one side of the accommodating cavity. The control roller in the accommodating cavity is fixedly connected to the drive shaft, the diameter of the control roller is larger than the diameter of the drive shaft, and the first section of the drive shaft is connected to the second section of the drive shaft by a clutch plate.

5. A soil sampling device according to claim 4, characterized in that: The collection tube is provided with two groups of handles, wherein the fixed handle and the movable handle form one group of handles, and a driving motor is provided in the other group of handles.

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