Sampler for soil detection

Abstract

The sampler for soil detection comprises a bottom plate and a spiral soil drilling device, a plurality of connecting columns are fixedly installed on the upper surface of the spiral soil drilling device, a fixing plate is fixedly installed at the upper ends of the connecting columns, a hydraulic rod is fixedly installed in the center of the lower surface of the fixing plate, and the hydraulic rod penetrates through the top face of the spiral soil drilling device. A hydraulic rod is fixedly mounted at the upper end of the spiral soil drilling device, a push plate is fixedly mounted at the lower end of the hydraulic rod, an external thread is formed in the lower surface of the push plate, a sample pipe is mounted in the spiral soil drilling device, a threaded groove is formed in the upper surface of the sample pipe, and the threaded groove is in threaded fit with the external thread. After the sampling work is completed, the sample is fixed in the sample tube, and the hydraulic rod pushes the push plate to push out the sample tube, so that the integrity of the sample structure can be ensured, the sampling data accuracy is ensured, and the practicability is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of samplers, in particular to a sampler for soil detection. Background Art

[0002] Soil refers to the loose surface layer of the land that is fertile and capable of growing plants. Sandblasting and pesticide spraying on crops will cause soil pollution. Long-term contaminated soil will have an adverse effect on the growth of crops and the environment, which requires soil pollution to be treated. Before the soil is treated, it needs to be collected and tested.

[0003] Traditional soil detection samplers are mostly used to drill to a specified depth through a drill bit and take out the soil at the set collection depth. However, when the soil is taken out, the integrity of the sample structure cannot be guaranteed. At the same time, the residual soil in the sample tube will also affect the accuracy of the sampling data. In order to solve the above problems, a sampler for soil detection is proposed. Utility Model Content

[0004] The utility model aims to provide a sampler for soil detection, which solves the problem that most traditional soil detection samplers use a drill bit to drill to a specified depth and take out the soil at the set collection depth, but when the soil is taken out, the integrity of the sample structure cannot be guaranteed, and the residual soil in the sample tube will also affect the accuracy of the sampling data.

[0005] In order to solve the above technical problems, the utility model is achieved through the following technical solutions:

[0006] The utility model is a sampler for soil detection, comprising a bottom plate and an auger, wherein a plurality of connecting columns are fixedly installed on the upper surface of the auger, a fixing plate is fixedly installed on the upper end of the connecting column, a hydraulic rod is fixedly installed at the center position of the lower surface of the fixing plate, the hydraulic rod penetrates the top surface of the auger, and a push plate is fixedly installed on the lower end of the hydraulic rod, an external thread is provided on the lower surface of the push plate, a sample tube is installed in the auger, a thread groove is provided on the upper surface of the sample tube, and the thread groove cooperates with the external thread.

[0007] Preferably, a shell is fixedly mounted on the upper surface of the base plate, a screw rod is connected for rotational force between the shell and the base plate, a lifting plate is mounted on the peripheral surface of the screw rod, a second drive motor is fixedly mounted on the upper surface of the lifting plate, a power end of the second drive motor passes through the lifting plate and is fixedly connected to the fixed plate, a first drive motor is fixedly mounted on the upper surface of the shell, a power end of the first drive motor passes through the shell and is fixedly connected to the screw rod.

[0008] Preferably, a plurality of through holes are formed on the upper surface of the lifting plate, and guide rods are installed through the through holes, and the upper and lower ends of the guide rods are fixedly connected to the outer shell and the bottom plate respectively.

[0009] Preferably, a sample storage box is fixedly mounted on the upper surface of the base plate, and one side of the sample storage box is fixedly connected to one side of the outer shell.

[0010] Preferably, a lifting opening is provided on the upper surface of the base plate, and the lifting opening is vertically consistent with the center line of the auger.

[0011] Preferably, the lower end of the auger is evenly provided with saw teeth, and a spiral clamping strip is fixedly mounted on the peripheral surface of the inner wall of the sample tube.

[0012] Preferably, a movable armrest is fixedly mounted on one side of the base plate, and a plurality of universal wheels are fixedly mounted on the lower surface of the base plate.

[0013] Preferably, a plurality of second exhaust holes are evenly formed on the upper surface of the auger, and a plurality of first exhaust holes are evenly formed on the upper surface of the sample tube.

[0014] The utility model has the following beneficial effects:

[0015] 1. The utility model sets a hydraulic rod, an auger and a sample tube. When sampling, the sample tube is installed in the auger through a push plate. After the sampling work is completed, the sample is fixed in the sample tube, and the hydraulic rod pushes the push plate to push the sample tube out, which can ensure the integrity of the sample structure and ensure the accuracy of the sampling data. At the same time, the sample tube is installed on the push plate through a thread, and the sample tube can be quickly disassembled to improve work efficiency. In addition, replacing the sample tube can avoid residual soil in the sample tube affecting the accuracy of the sampling data, and the utility model has strong practicality.

[0016] 2. The utility model provides a first driving motor and a lifting plate to control the lifting of the auger to perform soil sampling, thereby improving work efficiency and further improving practicality.

[0017] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0020] Figure 2 It is a front structural schematic diagram of the utility model;

[0021] Figure 3 for Figure 2 AA cross-sectional structural diagram;

[0022] Figure 4 for Figure 3 Schematic diagram of the local enlarged structure at point B in the middle.

[0023] In the accompanying drawings, the list of components represented by each reference numeral is as follows: 1. outer shell; 2. screw rod; 3. guide rod; 4. bottom plate; 5. lifting port; 6. universal wheel; 7. sample storage box; 8. movable armrest; 9. first drive motor; 10. second drive motor; 11. hydraulic rod; 12. auger; 13. sawtooth; 14. connecting column; 15. lifting plate; 16. push plate; 17. external thread; 18. sample tube; 19. spiral clamp; 20. thread groove; 21. first exhaust hole; 22. second exhaust hole; 23. fixing plate. DETAILED DESCRIPTION

[0024] 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 of 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.

[0025] See also Figure 1-Figure 4As shown, the utility model is a soil sampler for testing, comprising a bottom plate 4 and an auger 12, a plurality of connecting columns 14 are fixedly mounted on the upper surface of the auger 12, a fixing plate 23 is fixedly mounted on the upper end of the connecting column 14, a hydraulic rod 11 is fixedly mounted at the center of the lower surface of the fixing plate 23, the hydraulic rod 11 passes through the top surface of the auger 12, and a push plate 16 is fixedly mounted on the lower end of the hydraulic rod 11, an external thread 17 is provided on the lower surface of the push plate 16, a sample tube 18 is installed in the auger 12, a thread groove 20 is provided on the upper surface of the sample tube 18, and the thread groove 20 and the external thread 17 are connected to each other. The thread 17 is matched with the thread. By setting the hydraulic rod 11, the auger 12 and the sample tube 18, when sampling, the sample tube 18 is installed in the auger 12 through the push plate 16. After the sampling work is completed, the sample is fixed in the sample tube 18, and the hydraulic rod 11 pushes the push plate 16 to push the sample tube 18 out, which can ensure the integrity of the sample structure and ensure the accuracy of the sampling data. At the same time, the sample tube 18 is installed on the push plate 16 through the thread, and the sample tube 18 can be quickly disassembled to improve work efficiency. In addition, replacing the sample tube 18 can avoid the residual soil in the sample tube 18 affecting the accuracy of the sampling data, and it is highly practical.

[0026] A shell 1 is fixedly installed on the upper surface of the base plate 4, a screw 2 is connected with the rotational force between the shell 1 and the base plate 4, a lifting plate 15 is installed on the peripheral surface of the screw 2, a second drive motor 10 is fixedly installed on the upper surface of the lifting plate 15, a power end of the second drive motor 10 passes through the lifting plate 15 and is fixedly connected to the fixed plate 23, a first drive motor 9 is fixedly installed on the upper surface of the shell 1, a power end of the first drive motor 9 passes through the shell 1 and is fixedly connected to the screw 2, by setting the first drive motor 9 and the lifting plate 15, the auger 12 is controlled to rise and fall for soil sampling, thereby improving work efficiency and further improving practicality.

[0027] The upper surface of the lifting plate 15 is provided with a plurality of through holes, and guide rods 3 are installed through the through holes. The upper and lower ends of the guide rods 3 are fixedly connected to the housing 1 and the bottom plate 4 respectively.

[0028] A sample storage box 7 is fixedly mounted on the upper surface of the bottom plate 4 , and one side surface of the sample storage box 7 is fixedly connected to one side surface of the housing 1 .

[0029] A lifting opening 5 is provided on the upper surface of the bottom plate 4 , and the lifting opening 5 is vertically aligned with the center line of the auger 12 .

[0030] The lower end of the auger 12 is evenly provided with saw teeth 13, and the peripheral surface of the inner wall of the sample tube 18 is fixedly installed with a spiral clamping strip 19. By providing the spiral clamping strip 19, the soil in the sample tube 18 can be prevented from falling.

[0031] A movable armrest 8 is fixedly mounted on one side of the base plate 4 , and a plurality of universal wheels 6 are fixedly mounted on the lower surface of the base plate 4 .

[0032] A plurality of second exhaust holes 22 are evenly formed on the upper surface of the auger 12 , and a plurality of first exhaust holes 21 are evenly formed on the upper surface of the sample tube 18 .

[0033] Example: Figure 1-Figure 4 As shown, the method of using a soil sampler for testing of the utility model is as follows: when using the utility model, first control the first drive motor 9 to raise the lifting plate 15 to the highest point, then the hydraulic rod 11 pushes the push plate 16 downward, and the sample tube 18 is fixed on the push plate 16 through threaded cooperation. The hydraulic rod 11 works to pull the push plate 16 up, and pulls the sample tube 18 into the auger 12. The device is pushed to the sampling location by pushing the movable handrail 8. The first drive motor 9 drives the screw rod 2 to rotate, controls the lifting plate 15 to move downward at a uniform speed, and at the same time the second drive motor 10 works to drive the auger 12 to rotate, and samples the sampling point. After the sampling is completed, the first drive motor 9 drives the screw 2 to rotate, controls the lifting plate 15 to rise, and the second drive motor 10 stops working. When the lifting plate 15 rises to the highest point, the hydraulic rod 11 works to push the push plate 16 downward, rotates the sample tube 18, takes the sample tube 18 out of the auger 12, replaces the new sample tube 18, and places the sample tube 18 containing the sample into the sample storage box 7. By replacing the sample tube 18, on the one hand, it can improve work efficiency by avoiding the need to take the sample out of the sample tube 18 and clean it. At the same time, it can also maximize the integrity of the soil sample structure and ensure the accuracy of the sampling data.

[0034] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A soil sampler for testing, comprising a base plate (4) and an auger (12), characterized in that: A plurality of connecting columns (14) are fixedly mounted on the upper surface of the auger (12); a fixing plate (23) is fixedly mounted on the upper end of the connecting column (14); a hydraulic rod (11) is fixedly mounted at the center position of the lower surface of the fixing plate (23); the hydraulic rod (11) passes through the top surface of the auger (12); and a push plate (16) is fixedly mounted on the lower end of the hydraulic rod (11); an external thread (17) is provided on the lower surface of the push plate (16); a sample tube (18) is installed in the auger (12); a thread groove (20) is provided on the upper surface of the sample tube (18); the thread groove (20) is threadably matched with the external thread (17).

2. A soil sampler for detection according to claim 1, characterized in that: A housing (1) is fixedly mounted on the upper surface of the bottom plate (4); a screw rod (2) is rotationally connected between the housing (1) and the bottom plate (4); a lifting plate (15) is mounted on the peripheral surface of the screw rod (2); a second drive motor (10) is fixedly mounted on the upper surface of the lifting plate (15); a power end of the second drive motor (10) passes through the lifting plate (15) and is fixedly connected to the fixed plate (23); a first drive motor (9) is fixedly mounted on the upper surface of the housing (1); a power end of the first drive motor (9) passes through the housing (1) and is fixedly connected to the screw rod (2).

3. A soil sampler for detection according to claim 2, characterized in that: The upper surface of the lifting plate (15) is provided with a plurality of through holes, and guide rods (3) are installed through the through holes. The upper and lower ends of the guide rods (3) are fixedly connected to the outer shell (1) and the bottom plate (4) respectively.

4. A soil sampler for testing according to claim 2, characterized in that: A sample storage box (7) is fixedly mounted on the upper surface of the bottom plate (4), and one side of the sample storage box (7) is fixedly connected to one side of the outer shell (1).

5. A soil sampler for testing according to claim 1, characterized in that: The upper surface of the bottom plate (4) is provided with a lifting opening (5), and the lifting opening (5) is vertically aligned with the center line of the auger (12).

6. A soil sampler for testing according to claim 1, characterized in that: The lower end of the auger (12) is evenly provided with saw teeth (13), and a spiral clamping strip (19) is fixedly mounted on the circumferential surface of the inner wall of the sample tube (18).

7. A soil sampler for testing according to claim 1, characterized in that: A movable armrest (8) is fixedly mounted on one side of the base plate (4), and a plurality of universal wheels (6) are fixedly mounted on the lower surface of the base plate (4).

8. A soil sampler for testing according to claim 1, characterized in that: A plurality of second exhaust holes (22) are evenly formed on the upper surface of the auger (12), and a plurality of first exhaust holes (21) are evenly formed on the upper surface of the sample tube (18).

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