A soil layer drilling and sampling device for soil remediation

Abstract

The present invention provides a soil layer drilling and sampling device for soil remediation, which relates to the technical field of soil layer drilling. It includes a transport vehicle, on the top of which a protective shell is fixedly connected. On the inner wall top of the protective shell, a servo motor is fixedly connected. On the output shaft of the servo motor, a rotating shaft is fixedly connected. An auxiliary rod is sleeved on the rotating shaft, and a lifting component is slidably connected to the auxiliary rod. The lifting component is used to lower the drill rod and drill into the soil. A cleaning component is slidably connected to the transport vehicle, and the cleaning component is used to scrape the soil on the side wall of the drill pit. The cleaning component is meshed with the lifting component through a one-way gear. By setting the lifting component and the cleaning component, the present invention can prevent the soil on the side wall of the drilled pit from adhering to soils at different heights, ensuring the singularity of the soil sampled by the sampling personnel, making the soil remediation plan more accurate, and enhancing the effect of soil remediation.

Description

Technical Field

[0001] The present invention relates to the technical field of soil layer drilling, and particularly relates to a soil layer drilling and sampling device for soil remediation. Background Art

[0002] Soil remediation is a process of treating and improving contaminated soil to restore it to its original or near-original state. When conducting soil remediation, it is necessary to fully understand the site geological conditions and soil quality, so soil layer drilling of the site is required.

[0003] A soil layer drilling and sampling device for geological exploration disclosed in the existing patent publication number (CN114482855B) includes a base and a drilling assembly and a collection assembly installed on the base. The drilling assembly includes a drilling part and a guiding part. The guiding part is fixed on the upper part of the base, and the drilling part can slide up and down along the guiding part to drill into the soil layer for soil sampling. The collection assembly includes a rotating assembly and a feeding assembly. The rotating assembly is arranged on the upper part of the base, the feeding assembly is arranged on the lower part of the base, the rotating assembly is connected to the feeding assembly. The rotating assembly includes a plurality of collection tanks. The feeding assembly can move linearly back and forth to push the rotating assembly to the lower part of the drilling assembly to collect soil, and the rotating assembly can rotate to replace the collection tank for soil collection. This invention is beneficial for soil layer drilling and sampling, avoids the operation of frequently installing and disassembling drill pipes during the drilling process, improves the sampling efficiency, and plays a shock-absorbing role during the drilling process. However, its structure still needs to be improved, specifically as follows:

[0004] When the existing drill bit is drilling, the up and down movement of the drill bit will cause soil at different heights to adhere to the drill bit and be lifted upwards, and adhere to the inner wall of the drilled hole. When taking subsequent samples, the subsequent taken soil samples will be mixed. Since the sampling device needs to sample and analyze soil samples at different heights, after the soil at different heights is mixed, it may lead to inaccurate analysis results, resulting in an inaccurate soil remediation plan in the later stage and reducing the soil remediation effect.

[0005] Therefore, the present application provides a soil layer drilling and sampling device for soil remediation to meet the requirements. Summary of the Invention

[0006] The technical problem to be solved by the present invention is to provide a soil layer drilling and sampling device for soil remediation to solve the problem that when the existing drill bit is drilling, the up and down movement of the drill bit will cause soil at different heights to adhere to the drill bit and be lifted upward, and adhere to the inner wall of the drilled hole. When taking subsequent samples, the subsequent soil samples taken out will be mixed. Since the sampling device needs to sample and analyze soil samples at different heights, due to the mixing of soils at different heights, the analysis results may be inaccurate, resulting in an inaccurate soil remediation plan in the later stage and reducing the soil remediation effect.

[0007] To solve the above technical problems, the present invention provides the following technical solutions:

[0008] A soil layer drilling and sampling device for soil remediation, including a transport vehicle, on the top of which a protective shell is fixedly connected. On the inner wall top of the protective shell, a servo motor is fixedly connected. On the output shaft of the servo motor, a rotating shaft is fixedly connected. An auxiliary rod is sleeved on the rotating shaft. At the bottom of the auxiliary rod, a drill rod is provided. A power storage part is fixedly connected to the transport vehicle. At the bottom of the transport vehicle, rollers are provided. A screw rod is fixedly connected to the transport vehicle and is fixed between the upper and lower mounting plates of the transport vehicle. A drilling groove is opened on the mounting plate at the bottom of the transport vehicle. The power storage part includes a power storage coil spring, one end of which is fixedly connected to a power storage gear, and the power storage gear is rotatably connected to a support frame on the top of the transport vehicle. A lifting component is slidably connected to the auxiliary rod, and the lifting component is used to lower the drill rod and drill into the soil. A cleaning component is slidably connected to the transport vehicle, and the cleaning component is used to scrape the soil on the side wall of the drill pit. The cleaning component is meshed with the lifting component through a one-way gear.

[0009] Optionally, the lifting component includes a lifting block, on one side of which a lifting tooth plate is fixedly connected. On the other side of the lifting block, a threaded rod is threadedly connected. At the bottom of the threaded rod, a second gear is fixedly connected. One side of the second gear is meshed with a first gear.

[0010] Optionally, limiting grooves are opened in the middle and on the periphery of the auxiliary rod. The rotating shaft is sleeved in the limiting groove in the middle of the auxiliary rod. At the top of the auxiliary rod, a lifting block is fixedly connected. The first gear is sleeved on the auxiliary rod, and the auxiliary rod penetrates through the mounting plate above the transport vehicle.

[0011] Optionally, a drilling ratchet is provided at the top of the drill rod, and a drilling pawl is provided at the bottom of the auxiliary rod. The drilling pawl is rotatably connected in the drilling ratchet, and the top of the drill rod is inlaid and rotatably connected to the bottom of the auxiliary rod.

[0012] Optionally, the cleaning component includes a lifting plate, the top of the lifting plate is fixedly connected with a cleaning tooth plate, the bottom of the lifting plate is rotatably connected with a cleaning cylinder, and the bottom of the cleaning cylinder is rotatably connected with a group of annularly arrayed collecting plates.

[0013] Optionally, a limiting rod is fixedly connected to the top of the lifting plate, the limiting rod penetrates through the mounting plate above the transport vehicle, a cleaning gear is rotatably connected in the lifting plate, the cleaning gear is sleeved on a screw rod, a spiral groove is formed in the screw rod, a convex block is arranged on the side wall of the inner ring of the cleaning gear, and the convex block of the cleaning gear is slidably connected in the spiral groove of the screw rod. A rotating gear is arranged at the top of the cleaning cylinder, the rotating gear is meshed with the cleaning gear, and the top of the rotating gear is rotatably connected to the lifting plate.

[0014] Optionally, a first hydraulic rod is arranged at the bottom of the rotating gear, a group of annularly arrayed second hydraulic rods are fixedly connected to the bottom of the cleaning cylinder, and the first hydraulic rod is connected to all the second hydraulic rods through a hose.

[0015] Optionally, a connecting rod is arranged at the top of the collecting plate, the connecting rod is rotatably connected to the bottom of the cleaning cylinder, a torsion spring is arranged on the connecting rod, a limiting hole is formed in the top of the collecting plate, and the piston rod of each second hydraulic rod is inserted into the limiting hole of the corresponding collecting plate.

[0016] Optionally, cleaning ratchets are arranged on both sides of the one-way gear, an auxiliary gear is rotatably connected in the one-way gear, a cleaning pawl is arranged on the auxiliary gear, and cleaning pawls are rotatably connected in both cleaning ratchets on both sides. Both ends of the auxiliary gear are rotatably connected in the protective housing.

[0017] Optionally, the one-way gear is meshed with the lifting tooth plate, the auxiliary gear is meshed with the cleaning tooth plate, the bottom of the cleaning tooth plate is meshed with the energy storage gear, and the cleaning tooth plate penetrates through the mounting plate above the transport vehicle.

[0018] Compared with the prior art, the present invention has at least the following beneficial effects:

[0019] In the above solution, by setting the lifting component, when the drill rod works, the drill rod can descend while rotating through the rotation of the servo motor, and when the drill rod drills out the sampling drill pit, the drill rod can keep stopping when leaving the drill pit, realizing the simplification of the sampling drill pit operation and avoiding the redundant and complex operations in the conventional drill pit.

[0020] By setting up a cleaning component, during the process of the drill pipe rising, the cleaning cylinder can automatically descend and keep rotating. When the cleaning cylinder enters the bottom of the drill pit, it can close at the same time, taking away the soil on the periphery and at the bottom of the drill pit, separating the soil adhering to the periphery of the drill pit, so that when the sampler collects the soil at different heights in the drill pit, the soil at other heights can be avoided from being mixed into the sample, realizing the uniqueness of the soil collected by the sampler, and making the result more accurate when analyzing the soil, so that the operator can formulate a more accurate soil remediation plan. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The drawings incorporated herein and constituting a part of the specification illustrate embodiments of the present invention and, together with the specification, are further used to explain the principles of the present invention and enable those skilled in the relevant art to implement and use the present invention.

[0022] Figure 1 It is a schematic diagram of the three-dimensional external structure of the soil layer drilling and sampling device of the present invention;

[0023] Figure 2 It is a schematic diagram of the three-dimensional internal structure of the soil layer drilling and sampling device of the present invention;

[0024] Figure 3 It is a schematic diagram of the structure of the transport vehicle of the present invention;

[0025] Figure 4 It is a schematic diagram of the structure of the energy storage part of the present invention;

[0026] Figure 5 It is a schematic diagram of the structure of the lifting component of the present invention;

[0027] Figure 6 It is a schematic diagram of the structure of the servo motor of the present invention;

[0028] Figure 7 It is a schematic diagram of a partial structure of the lifting component of the present invention;

[0029] Figure 8 It is a schematic diagram of the structure of the drilling ratchet of the present invention;

[0030] Figure 9 It is a schematic diagram of the structure of the cleaning component of the present invention;

[0031] Figure 10 is Figure 9 an enlarged view of A in;

[0032] Figure 11 It is a schematic diagram of a partial structure of the one-way gear of the present invention;

[0033] Figure 12 It is a schematic diagram of a partial structure of the cleaning component of the present invention;

[0034] Figure 13Schematic diagram of the connection structure of the first hydraulic rod and the second hydraulic rod of the present invention;

[0035] Figure 14 Schematic diagram of the collection plate structure of the present invention.

[0036] Reference numerals:

[0037] 1. Transport vehicle; 11. Screw rod; 2. Protective shell; 3. Energy storage part; 31. Energy storage coil spring; 32. Energy storage gear; 4. Servo motor; 41. Rotating shaft; 5. Auxiliary rod; 6. Drill rod; 61. Drilling ratchet; 7. Lifting assembly; 71. Lifting block; 72. Lifting toothed plate; 73. First gear; 74. Second gear; 75. Threaded rod; 750. Drilling pawl; 8. Cleaning assembly; 81. Lifting plate; 811. Limiting rod; 812. Cleaning gear; 82. Cleaning toothed plate; 83. Cleaning cylinder; 831. Rotating gear; 832. First hydraulic rod; 833. Second hydraulic rod; 84. Collection plate; 841. Limiting hole; 842. Connecting rod; 9. One-way gear; 91. Cleaning ratchet; 92. Auxiliary gear.

[0038] As shown in the figure, in order to clearly implement the structure of the embodiments of the present invention, specific structures and devices are marked in the figure, but this is only for schematic needs and is not intended to limit the present invention to this specific structure, device and environment. According to specific needs, those of ordinary skill in the art can adjust or modify these devices and environments. Detailed implementation manners

[0039] The following describes in detail a soil drilling and sampling device for soil remediation provided by the present invention in conjunction with the accompanying drawings and specific embodiments. At the same time, it should be noted here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments. For some well-known technologies, those skilled in the art can also adopt other alternative methods for implementation; moreover, the accompanying drawings are only for more specifically describing the embodiments and are not intended to specifically limit the present invention.

[0040] It should be noted that when referring to "an embodiment", "embodiment", "exemplary embodiment", "some embodiments" and the like in the specification, it means that the described embodiment may include specific features, structures or characteristics, but not necessarily every embodiment includes the specific features, structures or characteristics. In addition, when combining an embodiment to describe a specific feature, structure or characteristic, implementing such a feature, structure or characteristic in combination with other embodiments (whether explicitly described or not) should be within the knowledge of those skilled in the relevant art.

[0041] Generally, terms can be understood, at least in part, from their use in context. For example, depending at least in part on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in a singular sense, or can be used to describe a combination of features, structures, or characteristics in a plural sense. Additionally, the term "based on" can be understood as not necessarily intended to convey a set of exclusive factors, but rather, can alternatively, depending at least in part on the context, allow for the presence of other factors that are not necessarily expressly described.

[0042] It will be understood that the meanings of "on", "above", and "over" in the present invention should be construed in the broadest manner such that "on" not only means "directly on" something, but also includes the meaning of being "on" something with intervening features or layers therebetween, and "above" or "over" not only means "above" or "over" something, but can also include the meaning of being "above" or "over" something with no intervening features or layers therebetween.

[0043] In addition, spatial relative terms such as "under", "below", "lower", "above", "upper", etc. are used herein for convenience of description to describe the relationship of one element or feature to another or other elements or features, as shown in the figures. Spatial relative terms are intended to cover different orientations in the use or operation of the device in addition to the orientation depicted in the figures. The device can be oriented in other ways, and the spatial relative descriptors used herein can be interpreted accordingly.

[0044] As Figures 1 to 14As shown in the figure, an embodiment of the present invention provides a soil layer drilling and sampling device for soil remediation, including a transport vehicle 1. A protective shell 2 is fixedly connected to the top of the transport vehicle 1. A servo motor 4 is fixedly connected to the inner wall top of the protective shell 2. A rotating shaft 41 is fixedly connected to the output shaft of the servo motor 4. An auxiliary rod 5 is sleeved on the rotating shaft 41. A drill rod 6 is arranged at the bottom of the auxiliary rod 5. A power storage part 3 is fixedly connected to the transport vehicle 1. Wheels are arranged at the bottom of the transport vehicle 1. A screw rod 11 is fixedly connected to the transport vehicle 1. The screw rod 11 is fixedly connected between the upper and lower mounting plates of the transport vehicle 1. A drilling groove is formed in the mounting plate at the bottom of the transport vehicle 1. The power storage part 3 includes a power storage coil spring 31. One end of the power storage coil spring 31 is fixedly connected to a power storage gear 32. The power storage gear 32 is rotatably connected to the support frame on the top of the transport vehicle 1. When the operator determines the area for collecting soil samples, first, the transport vehicle 1 needs to be pushed to move the device to the target area. Then, the operator controls the servo motor 4 to rotate. When the servo motor 4 rotates, the drill rod 6 is driven to rotate through the auxiliary rod 5. At the same time, during the rotation of the drill rod 6, the height is also reduced, and it gradually drills into the soil. Finally, a sampling drill pit can be drilled in the target area, and the operator can collect soil samples at different heights in the drill pit.

[0045] In this embodiment, as Figures 1 to 6 shown, during the use of the protective shell 2, it can not only prevent foreign objects from entering the device, but also prevent the operator from being injured by rotating parts.

[0046] As an implementation manner in this embodiment, as Figures 1 to 8As shown, a lifting assembly 7 is slidably connected to the auxiliary rod 5. The lifting assembly 7 is used to lower the drill rod 6 and drill into the soil. The lifting assembly 7 includes a lifting block 71. One side of the lifting block 71 is fixedly connected to a lifting toothed plate 72. The other side of the lifting block 71 is threadedly connected to a threaded rod 75. The bottom of the threaded rod 75 is fixedly connected to a second gear 74. One side of the second gear 74 is meshed with a first gear 73. Limiting grooves are provided in the middle and the periphery of the auxiliary rod 5. The rotating shaft 41 is sleeved in the limiting groove in the middle of the auxiliary rod 5. The top of the auxiliary rod 5 is fixedly connected to the lifting block 71. The first gear 73 is sleeved on the auxiliary rod 5. The auxiliary rod 5 passes through the mounting plate above the transport vehicle 1. A drilling ratchet 61 is provided at the top of the drill rod 6. A drilling pawl 750 is provided at the bottom of the auxiliary rod 5. The drilling pawl 750 is rotatably connected in the drilling ratchet 61. The top of the drill rod 6 is inlaid and rotatably connected to the bottom of the auxiliary rod 5. When the servo motor 4 rotates, the rotating shaft 41 drives the auxiliary rod 5 to rotate. When the auxiliary rod 5 rotates, on the one hand, it drives the first gear 73 to rotate. When the first gear 73 rotates, it drives the second gear 74 to rotate. When the second gear 74 rotates, the threaded rod 75 located on the second gear 74 rotates. Since one side of the lifting block 71 is threadedly connected to the threaded rod 75 and the servo motor 4 is fixedly connected to the protective shell 2, the lifting block 71 drives the auxiliary rod 5 to move downward along the threaded rod 75. On the other hand, when the auxiliary rod 5 rotates, the drilling pawl 750 at the bottom of the auxiliary rod 5 meshes with the drilling ratchet 61. At this time, the auxiliary rod 5 drives the drill rod 6 to rotate. The drill rod 6 rotates and descends at the same time and gradually drills into the soil. When the drill rod 6 drills out the sampling drill pit, the operator controls the servo motor 4 to rotate in the reverse direction. When the servo motor 4 rotates in the reverse direction, on the one hand, the threaded rod 75 rotates in the reverse direction to raise the lifting block 71. On the other hand, when the servo motor 4 rotates in the reverse direction, the auxiliary rod 5 rotates in the reverse direction. When the auxiliary rod 5 rotates in the reverse direction, the drilling pawl 750 at the bottom of the auxiliary rod 5 rotates in the drilling ratchet 61, and the drill rod 6 stops rotating. At this time, the drill rod 6 remains stationary when rising out of the drill pit.

[0047] In this embodiment, as Figures 1 to 8 shown, when the drill rod 6 drills into the soil, it will maintain a rotating state so that the drill pit can be carried out smoothly. When the drill rod 6 leaves the drill pit, the drill rod 6 remains stationary. When the drill rod 6 rises, the soil in the drill pit can be taken out.

[0048] As an implementation manner in this embodiment, as Figures 9 to 14As shown in the figure, a cleaning component 8 is slidably connected to the transport vehicle 1. The cleaning component 8 is used to scrape the soil on the side wall of the drilling pit. The cleaning component 8 is meshed and connected to the lifting component 7 through a one-way gear 9. The cleaning component 8 includes a lifting plate 81. A cleaning tooth plate 82 is fixedly connected to the top of the lifting plate 81. A cleaning cylinder 83 is rotatably connected to the bottom of the lifting plate 81. A group of annularly arrayed collecting plates 84 are rotatably connected to the bottom of the cleaning cylinder 83. A limiting rod 811 is fixedly connected to the top of the lifting plate 81. The limiting rod 811 penetrates through the mounting plate above the transport vehicle 1. A cleaning gear 812 is rotatably connected in the lifting plate 81. The cleaning gear 812 is sleeved on the screw rod 11. A spiral groove is provided on the screw rod 11. A convex block is provided on the side wall of the inner ring of the cleaning gear 812. The convex block of the cleaning gear 812 is slidably connected in the spiral groove of the screw rod 11. A rotating gear 831 is provided at the top of the cleaning cylinder 83. The rotating gear 831 is meshed with the cleaning gear 812. The top of the rotating gear 831 is rotatably connected to the lifting plate 81. A first hydraulic rod 832 is provided at the bottom of the rotating gear 831. A group of annularly arrayed second hydraulic rods 833 are fixedly connected to the bottom of the cleaning cylinder 83. The first hydraulic rod 832 is connected to all the second hydraulic rods 833 through a hose. A connecting rod 842 is provided at the top of the collecting plate 84. The connecting rod 842 is rotatably connected to the bottom of the cleaning cylinder 83. A torsion spring is provided on the connecting rod 842. A limiting hole 841 is provided at the top of the collecting plate 84. The piston rod of each second hydraulic rod 833 is inserted into the corresponding limiting hole 841 of the collecting plate 84. Cleaning ratchets 91 are provided on both sides of the one-way gear 9. An auxiliary gear 92 is rotatably connected in the one-way gear 9. A cleaning pawl is provided on the auxiliary gear 92. Cleaning pawls are rotatably connected in both the cleaning ratchets 91 on both sides. The two ends of the auxiliary gear 92 are rotatably connected in the protective shell 2. The one-way gear 9 is meshed with the lifting tooth plate 72. The auxiliary gear 92 is meshed with the cleaning tooth plate 82. The bottom of the cleaning tooth plate 82 is meshed with the energy storage gear 32. The cleaning tooth plate 82 penetrates through the mounting plate above the transport vehicle 1. When the servo motor 4 rotates to lower the drill rod 6, the lifting tooth plate 72 will contact the one-way gear 9 and cause the one-way gear 9 to rotate. When the one-way gear 9 rotates, at this time, no meshing occurs between the cleaning ratchet 91 and the cleaning pawl, so the auxiliary gear 92 remains stationary. When the drill rod 6 rises, the lifting tooth plate 72 rises. When the lifting tooth plate 72 moves upward, the lifting tooth plate 72 causes the one-way gear 9 to rotate in the reverse direction. When the one-way gear 9 rotates in the reverse direction, the cleaning ratchet 91 in the one-way gear 9 and the cleaning pawl in the auxiliary gear 92 are meshed. At this time, the one-way gear 9 drives the auxiliary gear 92 to rotate synchronously. When the auxiliary gear 92 rotates, it causes the cleaning tooth plate 82 to move downward and simultaneously causes the energy storage gear 32 to rotate, so that the energy storage gear 32 can wind up the energy storage spring 31. During the downward movement of the cleaning tooth plate 82, the lifting plate 81 moves downward. On the one hand, when the lifting plate 81 moves downward, the cleaning gear 812 moves downward,Because the protrusion in the cleaning gear 812 is located in the spiral groove of the spiral rod 11, the cleaning gear 812 rotates when it descends. When the cleaning gear 812 rotates, it drives the rotating gear 831 to rotate. On the other hand, when the lifting plate 81 descends, the cleaning cylinder 83 will also descend. Therefore, when the drill rod 6 rises, the cleaning cylinder 83 rotates when it descends. As the drill rod 6 gradually rises, the height of the cleaning cylinder 83 gradually decreases and enters the drill pit. Since the diameter of the cleaning cylinder 83 is greater than the diameter of the drill rod 6, when the cleaning cylinder 83 enters the drill pit, the side wall of the drill pit is scraped. When the cleaning cylinder 83 reaches the bottom of the drill pit, the piston rod of the first hydraulic rod 832 is squeezed on the mounting plate below the transport vehicle 1. At this time, the oil in the first hydraulic rod 832 enters the second hydraulic rod 833 through the hose. When the oil enters the second hydraulic rod 833, the piston rod of the second hydraulic rod 833 contracts and leaves the limiting hole 841 of the collecting plate 84 below. At this time, the collecting plate 8 As the blocking of the piston rod of the second hydraulic rod 833 is lost, the torsion spring on the connecting rod 842 is released, causing the collecting plate 84 to rotate inward. When all the collecting plates 84 are close to each other, the soil at the bottom of the drilling pit is grabbed. When the drill rod 6 is raised to the highest point, the lifting tooth plate 72 is separated from the one-way gear 9, and the one-way gear 9 stops rotating. At this time, since the one-way gear 9 cannot drive the auxiliary gear 92 to rotate, the cleaning tooth plate 82 stops moving. Because the cleaning tooth plate 82 is connected to the power storage gear 32, the power storage coil spring 31 is released at this time, causing the power storage gear 32 to rotate in the opposite direction. When the power storage gear 32 rotates in the opposite direction, the cleaning tooth plate 82 moves upward. When the cleaning tooth plate 82 moves upward, on the one hand, the upward movement of the cleaning tooth plate 82 causes the auxiliary gear 92 to rotate in the opposite direction. When the auxiliary gear 92 rotates in the opposite direction, the cleaning ratchet rotates in the cleaning ratchet 91. On the other hand, when the cleaning tooth plate 82 moves upward, the cleaning cylinder 83 moves upward to bring out the soil in the drilling pit.

[0049] In this embodiment, if Figures 9 to 14 As shown, during the rising process of the drill rod 6 in the drill pit, the soil at different heights in the drill pit will be brought to the side walls of the drill pit at different heights. When the operator collects soil samples at different heights in the drill pit, the collected soil samples contain soil at other heights. During the analysis process, the error is relatively large, which affects the analysis result. When the cleaning cylinder 83 enters the drill pit, the soil adhering to the side walls of the drill pit is scraped off, so that the operator can avoid mixing the soil at different heights into the collected soil samples when collecting soil samples.

[0050] The working principle provided by the present invention is as follows. When the operator determines the area for collecting soil samples, first, the transport vehicle 1 needs to be pushed to move the equipment to the target area. Then, the operator controls the rotation of the servo motor 4. When the servo motor 4 rotates, the drill rod 6 is driven to rotate by the auxiliary rod 5. At the same time, during the rotation of the drill rod 6, its height is also reduced, and it gradually drills into the soil. Finally, a sampling drill hole can be drilled in the target area. Subsequently, the operator collects soil samples at different heights in the drill hole. When the servo motor 4 rotates, the rotating shaft 41 drives the auxiliary rod 5 to rotate. When the auxiliary rod 5 rotates, on the one hand, it drives the first gear 73 to rotate. When the first gear 73 rotates, it drives the second gear 74 to rotate. When the second gear 74 rotates, the threaded rod 75 located on the second gear 74 rotates. Since one side of the lifting block 71 is threadedly connected to the threaded rod 75 and the servo motor 4 is fixedly connected to the protective shell 2, the lifting block 71 drives the auxiliary rod 5 to move downward along the threaded rod 75. On the other hand, when the auxiliary rod 5 rotates, the drilling pawl 750 at the bottom of the auxiliary rod 5 meshes with the drilling ratchet 61. At this time, the auxiliary rod 5 drives the drill rod 6 to rotate, and the drill rod 6 rotates and descends simultaneously, gradually drilling into the soil;

[0051] After the drill pipe 6 drills out the sampling drill pit, the operator controls the servo motor 4 to rotate in the reverse direction. When the servo motor 4 rotates in the reverse direction, on the one hand, the threaded rod 75 rotates in the reverse direction to raise the lifting block 71. On the other hand, when the servo motor 4 rotates in the reverse direction, the auxiliary rod 5 rotates in the reverse direction. When the auxiliary rod 5 rotates in the reverse direction, the drilling ratchet pawl 750 at the bottom of the auxiliary rod 5 rotates in the drilling ratchet wheel 61, and the drill pipe 6 stops rotating. At this time, the drill pipe 6 remains stationary when rising out of the drill pit. When the servo motor 4 rotates to lower the drill pipe 6, the lifting tooth plate 72 will contact the one-way gear 9 and cause the one-way gear 9 to rotate. When the one-way gear 9 rotates, at this time, the cleaning ratchet wheel 91 will not engage with the cleaning pawl, so the auxiliary gear 92 remains stationary. When the drill pipe 6 rises, the lifting tooth plate 72 rises. When the lifting tooth plate 72 moves upward, the lifting tooth plate 72 causes the one-way gear 9 to rotate in the reverse direction. When the one-way gear 9 rotates in the reverse direction, the cleaning ratchet wheel 91 in the one-way gear 9 engages with the cleaning pawl in the auxiliary gear 92. At this time, the one-way gear 9 drives the auxiliary gear 92 to rotate synchronously. When the auxiliary gear 92 rotates, it causes the cleaning tooth plate 82 to move downward and simultaneously causes the energy storage gear 32 to rotate, enabling the energy storage gear 32 to wind up the energy storage spring 31. During the downward movement of the cleaning tooth plate 82, the lifting plate 81 moves downward. On the one hand, when the lifting plate 81 moves downward, the cleaning gear 812 moves downward. Also, because the convex block in the cleaning gear 812 is located in the spiral groove of the screw rod 11, the cleaning gear 812 rotates when moving downward. When the cleaning gear 812 rotates, it drives the rotating gear 831 to rotate. On the other hand, when the lifting plate 81 moves downward, the cleaning cylinder 83 also moves downward. Therefore, when the drill pipe 6 rises, the cleaning cylinder 83 rotates when moving downward. As the drill pipe 6 gradually rises, the height of the cleaning cylinder 83 gradually decreases and enters the drill pit. Since the diameter of the cleaning cylinder 83 is larger than the diameter of the drill pipe 6, when the cleaning cylinder 83 enters the drill pit, it scrapes the side wall of the drill pit. When the cleaning cylinder 83 reaches the bottom of the drill pit, the piston rod of the first hydraulic rod 832 presses on the mounting plate under the transport vehicle 1. At this time, the oil in the first hydraulic rod 832 enters the second hydraulic rod 833 through the hose. When the oil enters the second hydraulic rod 833, the piston rod of the second hydraulic rod 833 contracts and leaves the limit hole 841 of the lower collecting plate 84. At this time, the collecting plate 84 loses the block of the piston rod of the second hydraulic rod 833, and the torsion spring on the connecting rod 842 releases, causing the collecting plate 84 to rotate inward. When all the collecting plates 84 approach each other, the soil at the bottom of the drill pit is grabbed. When the drill pipe 6 rises to the highest point, the lifting tooth plate 72 separates from the one-way gear 9, and the one-way gear 9 stops rotating. At this time, since the one-way gear 9 cannot drive the auxiliary gear 92 to rotate, the cleaning tooth plate 82 stops moving. Also, because the cleaning tooth plate 82 is connected to the energy storage gear 32, at this time, the energy storage spring 31 releases, causing the energy storage gear 32 to rotate in the reverse direction,When the energy storage gear 32 rotates in the reverse direction, the cleaning tooth plate 82 moves upward. When the cleaning tooth plate 82 moves upward, on the one hand, the upward movement of the cleaning tooth plate 82 causes the auxiliary gear 92 to rotate in the reverse direction. When the auxiliary gear 92 rotates in the reverse direction, the cleaning pawl rotates in the cleaning ratchet 91. On the other hand, when the cleaning tooth plate 82 moves upward, the cleaning cylinder 83 moves upward to take out the soil in the drilling pit.

[0052] The present invention covers any alternatives, modifications, equivalent methods, and solutions made within the spirit and scope of the present invention. For the public to have a thorough understanding of the present invention, specific details are described in detail in the following preferred embodiments of the present invention. However, those skilled in the art can fully understand the present invention without the description of these details. In addition, well-known methods, processes, procedures, components, and circuits are not described in detail to avoid unnecessary confusion to the essence of the present invention.

[0053] The above are only the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present invention.

Claims

1. An earth layer drilling and sampling device for soil remediation, characterized in that, It includes a transport vehicle. A protective shell is fixedly connected to the top of the transport vehicle. A servo motor is fixedly connected to the inner wall top of the protective shell. A rotating shaft is fixedly connected to the output shaft of the servo motor. An auxiliary rod is sleeved on the rotating shaft. A drill rod is arranged at the bottom of the auxiliary rod. A power storage part is fixedly connected to the transport vehicle. Rollers are arranged at the bottom of the transport vehicle. A screw rod is fixedly connected to the transport vehicle and is fixed between the upper and lower mounting plates of the transport vehicle. A drilling groove is formed in the mounting plate at the bottom of the transport vehicle. The power storage part includes a power storage coil spring. One end of the power storage coil spring is fixedly connected to a power storage gear. The power storage gear is rotatably connected to a support frame on the top of the transport vehicle; A lifting component is slidably connected to the auxiliary rod. The lifting component is used to lower the drill rod and drill into the soil; A cleaning component is slidably connected to the transport vehicle. The cleaning component is used to scrape the soil on the side wall of the drill pit. The cleaning component is meshed and connected to the lifting component through a one-way gear; The lifting component includes a lifting block. A lifting tooth plate is fixedly connected to one side of the lifting block. A threaded rod is threadedly connected to the other side of the lifting block. A second gear is fixedly connected to the bottom of the threaded rod. One side of the second gear is meshed with a first gear; Limiting grooves are formed in the middle and the periphery of the auxiliary rod. The rotating shaft is sleeved in the limiting groove in the middle of the auxiliary rod. A lifting block is fixedly connected to the top of the auxiliary rod. The first gear is sleeved on the auxiliary rod. The auxiliary rod penetrates through the mounting plate above the transport vehicle; A drilling ratchet is arranged at the top of the drill rod. A drilling pawl is arranged at the bottom of the auxiliary rod. The drilling pawl is rotatably connected in the drilling ratchet. The top of the drill rod is inlaid and rotatably connected to the bottom of the auxiliary rod; The cleaning component includes a lifting plate. A cleaning tooth plate is fixedly connected to the top of the lifting plate. A cleaning cylinder is rotatably connected to the bottom of the lifting plate. A group of annularly arrayed collecting plates are rotatably connected to the bottom of the cleaning cylinder; A limiting rod is fixedly connected to the top of the lifting plate. The limiting rod penetrates through the mounting plate above the transport vehicle. A cleaning gear is rotatably connected in the lifting plate. The cleaning gear is sleeved on the screw rod. A spiral groove is formed in the screw rod. A convex block is arranged on the side wall of the inner ring of the cleaning gear. The convex block of the cleaning gear is slidably connected in the spiral groove of the screw rod. A rotating gear is arranged at the top of the cleaning cylinder. The rotating gear is meshed with the cleaning gear. The top of the rotating gear is rotatably connected to the lifting plate; A first hydraulic rod is arranged at the bottom of the rotating gear. A group of annularly arrayed second hydraulic rods are fixedly connected to the bottom of the cleaning cylinder. The first hydraulic rod is connected to all the second hydraulic rods through a hose; A connecting rod is arranged at the top of the collecting plate. The connecting rod is rotatably connected to the bottom of the cleaning cylinder. A torsion spring is arranged on the connecting rod. A limiting hole is formed in the top of the collecting plate. The piston rod of each second hydraulic rod is inserted into the limiting hole of the corresponding collecting plate; Cleaning ratchets are provided on both sides of the one-way gear. An auxiliary gear is rotatably connected in the one-way gear. A cleaning pawl is provided on the auxiliary gear. Cleaning pawls are rotatably connected in both of the cleaning ratchets on both sides. Both ends of the auxiliary gear are rotatably connected in the protective housing.

2. The soil remediation-based soil drilling and collection device according to claim 1, wherein the one-way gear is meshed and connected with a lifting tooth plate, the auxiliary gear is meshed and connected with a cleaning tooth plate, the bottom of the cleaning tooth plate is meshed and connected with a power storage gear, and the cleaning tooth plate penetrates through the mounting plate above the transport vehicle.

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