Soil collecting device for heavy metal contaminated soil remediation

Abstract

The utility model relates to the technical field of soil collection, and discloses a soil collection device for heavy metal contaminated soil remediation, which solves the problem that soil is difficult to collect downwards when touching hard lumps in the soil collection process, and comprises a sampling box, a sampling mechanism used for sampling is arranged in the sampling box, a soil drilling assembly used for breaking soil and pushing hard blocks in the soil aside is arranged below the sampling mechanism and comprises a connector, external threads are arranged on the outer side of the connector, a soil drilling column is fixedly connected to the bottom face of the connector, and a connecting rod is fixedly connected to the bottom face of the soil drilling column. The bottom surfaces of the connecting rods are fixedly connected with a mounting plate, the outer side of the mounting plate is fixedly connected with a soil discharging rod, the bottom surface of the mounting plate is fixedly connected with a drill bit, the two groups of connecting rods are symmetrically arranged, and the purpose of reducing the influence of underground hard blocks on the downward sampling effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of soil collection, in particular to a soil collection device for remediation of heavy metal polluted soil. Background Art

[0002] The remediation of heavy metal contaminated soil is a process of reducing the concentration of heavy metals in the soil and restoring its ecological function and agricultural availability by adopting a series of comprehensive methods. During the remediation process, a variety of means such as physical, chemical, biological and engineering can be used. Physical methods include soil covering and deep soil plowing, which reduce the concentration of heavy metals by preventing the migration of heavy metals and mixing the soil. The remediation of heavy metal contaminated soil aims to restore the ecological balance of the soil, protect human health and environmental sustainable development. However, when sampling, the existing soil collection devices for heavy metal contaminated soil remediation may have underground obstacles at the sampling site, such as stones, roots, rocks, etc. These obstacles may hinder the entry of the sampling tools or affect the accuracy of the sampling, ultimately affecting the collection effect.

[0003] In view of the above problems, a soil collection device for remediation of heavy metal contaminated soil is proposed to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a soil collecting device for remediation of heavy metal polluted soil. The device is used to work, thereby solving the problem of difficulty in downward sampling when encountering hard blocks during soil sampling.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a soil collection device for remediation of heavy metal contaminated soil, comprising a sampling box, a sampling mechanism for sampling is arranged inside the sampling box, and a soil drilling component for breaking the soil and removing hard lumps in the soil is arranged below the sampling mechanism;

[0006] The soil drilling assembly includes a connecting head, an external thread is arranged on the outer side of the connecting head, a soil drilling column is fixedly connected to the bottom surface of the connecting head, a connecting rod is fixedly connected to the bottom surface of the soil drilling column, a mounting plate is fixedly connected to the bottom surface of the connecting rod, a soil discharge rod is fixedly connected to the outer side of the mounting plate, a drill bit is fixedly connected to the bottom surface of the mounting plate, and two groups of connecting rods are arranged symmetrically.

[0007] Preferably, the upper surface of the sampling box is fixedly connected to a top box, the inner wall of the top box is fixedly connected to a cylinder, the bottom surface of the cylinder is fixedly connected to a telescopic column, the inner wall of the telescopic column is fixedly connected to a partition, the bottom surface of the partition is fixedly connected to a motor, the output end of the motor is fixedly connected to a rotating shaft, the rotating shaft passes through the bottom surface of the telescopic column, an installation groove is provided on the bottom surface of the rotating shaft, the inner wall of the installation groove is provided with an internal thread, the internal thread and the external thread are arranged correspondingly, and the rotating shaft is threadedly connected to the connecting head.

[0008] Preferably, a sampling barrel is fixedly connected to the bottom surface of the telescopic column, an annular baffle is fixedly connected to the bottom surface of the sampling barrel, and a leakage groove penetrating the annular baffle is provided on the bottom surface of the annular baffle.

[0009] Preferably, a fixing component for maintaining the stability of the equipment is provided inside the sampling box, and the fixing component includes a support plate fixedly connected to the inner wall of the sampling box, an electric telescopic rod A is fixedly connected to the upper surface of the support plate, and a fixed head is fixedly connected to one end of the electric telescopic rod A.

[0010] Preferably, a cleaning assembly for removing soil attached to the outside of the sampling tube is provided inside the sampling box, and the cleaning assembly includes an electric telescopic rod B fixedly connected to the inner wall of the sampling box, one end of the electric telescopic rod B is fixedly connected to an annular splint, and one side of the annular splint is fixedly connected to a cleaning brush.

[0011] Preferably, a valve is fixedly connected to the bottom surface of the sampling box, and a sampling door is hinged on one side of the sampling box.

[0012] Preferably, a handle is fixedly connected to one side of the sampling box, and a roller is rotatably connected to the bottom surface of the sampling box.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] The utility model proposes a soil collection device for the remediation of heavy metal contaminated soil. During the sampling and collection process, the cylinder and the motor are turned on, the motor drives the rotating shaft and the drilling column to rotate, and then drives the connecting rod, the mounting plate, the soil discharge rod and the drill bit to rotate, so as to achieve the purpose of using the drill bit to drill the soil for downward collection and using the soil discharge rod to remove underground obstacles to ensure the accuracy of sampling, and then the cylinder is used to drive the sampling tube to move downward for sampling, the annular baffle and the leakage groove serve to screen out larger fragments, and the purpose of reducing the influence of underground hard blocks on the downward sampling effect is achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the sampling box of the utility model;

[0017] Figure 3 It is a schematic diagram of the structure of the soil drilling component of the utility model.

[0018] In the figure: 1. sampling box; 11. sampling door; 12. top box; 13. handle; 14. roller; 15. valve; 2. sampling mechanism; 21. cylinder; 22. partition; 23. telescopic column; 24. rotating shaft; 25. sampling tube; 26. annular baffle; 27. leakage groove; 28. motor; 3. fixing assembly; 31. electric telescopic rod A; 32. support plate; 33. fixing head; 4. soil drilling assembly; 41. connecting head; 42. external thread; 43. soil drilling column; 44. connecting rod; 45. mounting plate; 46. drill bit; 47. soil discharge rod; 5. cleaning assembly; 51. electric telescopic rod B; 52. annular clamp; 53. cleaning brush. DETAILED DESCRIPTION

[0019] 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 in 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.

[0020] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings.

[0021] Combination Figure 1 A soil collection device for remediation of heavy metal contaminated soil includes a sampling box 1, a sampling mechanism 2 for sampling is arranged inside the sampling box 1, and a soil drilling component 4 for breaking the soil and removing hard lumps in the soil is arranged below the sampling mechanism 2.

[0022] The utility model is further described below in conjunction with embodiments.

[0023] See also Figure 2-Figure 3 The soil drilling assembly 4 includes a connecting head 41, an external thread 42 is arranged on the outer side of the connecting head 41, a soil drilling column 43 is fixedly connected to the bottom surface of the connecting head 41, a connecting rod 44 is fixedly connected to the bottom surface of the soil drilling column 43, a mounting plate 45 is fixedly connected to the bottom surface of the connecting rod 44, a soil discharge rod 47 is fixedly connected to the outer side of the mounting plate 45, and a drill bit 46 is fixedly connected to the bottom surface of the mounting plate 45. There are two groups of connecting rods 44, and the two groups of connecting rods 44 are symmetrically arranged. Through the arrangement of the connecting head 41, the soil drilling column 43, the connecting rod 44, the mounting plate 45, the drill bit 46 and the soil discharge rod 47, the connecting head 41 and the soil drilling column 43 can be rotated during use to drive the connecting rod 44 and the mounting plate 45 to rotate, so that the drill bit 46 can break the soil and crush the hard blocks, and the soil discharge rod 47 can push the soil away to facilitate the downward movement of the sampling device.

[0024] The upper surface of the sampling box 1 is fixedly connected to the top box 12, the inner wall of the top box 12 is fixedly connected to the cylinder 21, the bottom surface of the cylinder 21 is fixedly connected to the telescopic column 23, the inner wall of the telescopic column 23 is fixedly connected to the partition 22, the bottom surface of the partition 22 is fixedly connected to the motor 28, the output end of the motor 28 is fixedly connected to the shaft 24, the shaft 24 passes through the bottom surface of the telescopic column 23, the bottom surface of the shaft 24 is provided with a mounting groove, the inner wall of the mounting groove is provided with an internal thread, the internal thread and the external thread 42 are correspondingly arranged, the shaft 24 is threadedly connected to the connector 41, through the arrangement of the cylinder 21, the partition 22, the telescopic column 23, the motor 28 and the shaft 24, it is possible to use the cylinder 21 to push the sampling device downward while using the motor 28 to drive the shaft 24 to rotate, thereby providing power for the operation of the soil drilling assembly 4.

[0025] A sampling tube 25 is fixedly connected to the bottom surface of the telescopic column 23, and an annular baffle 26 is fixedly connected to the bottom surface of the sampling tube 25. A leakage groove 27 penetrating the annular baffle 26 is provided on the bottom surface of the annular baffle 26. Through the arrangement of the sampling tube 25, the annular baffle 26 and the leakage groove 27, soil sampling can be achieved. The arrangement of the annular baffle 26 and the leakage groove 27 prevents stones from entering the interior of the sampling tube 25.

[0026] A fixing component 3 for maintaining the stability of the equipment is provided inside the sampling box 1, and the fixing component 3 includes a support plate 32 fixedly connected to the inner wall of the sampling box 1, an electric telescopic rod A31 is fixedly connected to the upper surface of the support plate 32, and a fixing head 33 is fixedly connected to one end of the electric telescopic rod A31. Through the arrangement of the electric telescopic rod A31, the support plate 32 and the fixing head 33, the electric telescopic rod A31 can be used to insert the fixing head 33 into the sampling site, thereby stabilizing the equipment.

[0027] A cleaning assembly 5 for removing soil attached to the outside of the sampling tube 25 is provided inside the sampling box 1. The cleaning assembly 5 includes an electric telescopic rod B51 fixedly connected to the inner wall of the sampling box 1, one end of the electric telescopic rod B51 is fixedly connected to an annular clamp plate 52, and one side of the annular clamp plate 52 is fixedly connected to a cleaning brush 53. Through the arrangement of the electric telescopic rod B51, the annular clamp plate 52 and the cleaning brush 53, when sampling is returned, the electric telescopic rod B51 can be used to push the annular clamp plate 52, so that the cleaning brush 53 can scrape the soil on the outside of the sampling tube 25, thereby achieving a certain cleaning effect.

[0028] A valve 15 is fixedly connected to the bottom surface of the sampling box 1, and a sampling door 11 is hinged on one side of the sampling box 1. The arrangement of the sampling door 11 and the valve 15 facilitates soil sampling and sample removal.

[0029] A handle 13 is fixedly connected to one side of the sampling box 1, and a roller 14 is rotatably connected to the bottom surface of the sampling box 1. The arrangement of the handle 13 and the roller 14 facilitates the movement of the sampling box 1.

[0030] Specifically, during the sampling and collection process, the cylinder 21 and the motor 28 are turned on, and the motor 28 drives the rotating shaft 24 and the drilling column 43 to rotate, thereby driving the connecting rod 44, the mounting plate 45, the soil-discharging rod 47 and the drill bit 46 to rotate, thereby achieving the purpose of using the drill bit 46 to drill the soil to facilitate downward collection and using the soil-discharging rod 47 to remove underground obstacles to ensure the accuracy of sampling, and then the cylinder 21 is used to drive the sampling tube 25 to move downward for sampling, and the annular baffle 26 and the leakage groove 27 are used to screen out larger fragments, thereby reducing the impact of underground hard blocks on the downward sampling effect.

[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A soil sampling device for heavy metal contaminated soil remediation, comprising a sampling box (1), characterized in that: The sampling box (1) is provided with a sampling mechanism (2) for sampling, and a soil drilling component (4) for breaking the soil and removing hard lumps in the soil is provided below the sampling mechanism (2); The soil drilling assembly (4) comprises a connecting head (41), the outer side of the connecting head (41) is provided with an external thread (42), the bottom surface of the connecting head (41) is fixedly connected to a soil drilling column (43), the bottom surface of the soil drilling column (43) is fixedly connected to a connecting rod (44), the bottom surface of the connecting rod (44) is fixedly connected to a mounting plate (45), the outer side of the mounting plate (45) is fixedly connected to a soil discharge rod (47), the bottom surface of the mounting plate (45) is fixedly connected to a drill bit (46), and two groups of the connecting rods (44) are provided, and the two groups of the connecting rods (44) are symmetrically arranged.

2. A soil collection device for remediation of heavy metal contaminated soil according to claim 1, characterized in that: The upper surface of the sampling box (1) is fixedly connected to a top box (12), the inner wall of the top box (12) is fixedly connected to a cylinder (21), the bottom surface of the cylinder (21) is fixedly connected to a telescopic column (23), the inner wall of the telescopic column (23) is fixedly connected to a partition (22), the bottom surface of the partition (22) is fixedly connected to a motor (28), the output end of the motor (28) is fixedly connected to a rotating shaft (24), the rotating shaft (24) passes through the bottom surface of the telescopic column (23), the bottom surface of the rotating shaft (24) is provided with an installation groove, the inner wall of the installation groove is provided with an internal thread, the internal thread and the external thread (42) are arranged correspondingly, and the rotating shaft (24) is threadedly connected to the connecting head (41).

3. A soil collection device for remediation of heavy metal contaminated soil according to claim 2, characterized in that: The bottom surface of the telescopic column (23) is fixedly connected to a sampling tube (25), the bottom surface of the sampling tube (25) is fixedly connected to an annular baffle (26), and the bottom surface of the annular baffle (26) is provided with a leakage groove (27) penetrating the annular baffle (26).

4. The soil collection device for remediation of heavy metal contaminated soil according to claim 1, characterized in that: A fixing assembly (3) for maintaining the stability of the device is arranged inside the sampling box (1), and the fixing assembly (3) comprises a support plate (32) fixedly connected to the inner wall of the sampling box (1), an electric telescopic rod A (31) is fixedly connected to the upper surface of the support plate (32), and a fixing head (33) is fixedly connected to one end of the electric telescopic rod A (31).

5. The soil collection device for remediation of heavy metal contaminated soil according to claim 3, characterized in that: The sampling box (1) is provided with a cleaning assembly (5) for removing dirt attached to the outside of the sampling tube (25), the cleaning assembly (5) comprising an electric telescopic rod B (51) fixedly connected to the inner wall of the sampling box (1), one end of the electric telescopic rod B (51) being fixedly connected to an annular clamping plate (52), and one side of the annular clamping plate (52) being fixedly connected to a cleaning brush (53).

6. The soil collection device for remediation of heavy metal contaminated soil according to claim 1, characterized in that: The bottom surface of the sampling box (1) is fixedly connected to a valve (15), and one side of the sampling box (1) is hingedly connected to a sampling door (11).

7. The soil collection device for remediation of heavy metal contaminated soil according to claim 1, characterized in that: A handle (13) is fixedly connected to one side of the sampling box (1), and a roller (14) is rotatably connected to the bottom surface of the sampling box (1).

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