Detection device and method for soil remediation

Abstract

The invention discloses a detection device for soil remediation and a method thereof, and relates to the technical field of soil remediation detection equipment. The detection device for soil remediation comprises a machine base, a lifting table sliding in the axial direction of the machine base, a guide column arranged on the lower surface of the lifting table and a hollow ground inserting rod, the hollow ground inserting rod is fixed to the lower end of the guide column, and the lower end of the hollow ground inserting rod is detachably connected with a longitudinal drill bit through a connecting assembly. According to the structure, through the arrangement of the multiple sampling pipes, samples are collected in multiple directions in the same plane, the accuracy of a soil sample detection result is improved, the samples in the sampling pipes can be effectively protected by controlling the sampling pipes to enter and exit from the hollow ground inserting rod, the samples are prevented from being doped with soil of different layers, the soil sampling effect is good, and the soil samples are prevented from falling off.

Description

Technical Field

[0001] The present invention relates to the technical field of soil remediation detection equipment, and in particular to a soil remediation detection device and a method thereof. Background Art

[0002] Soil remediation is a technical measure to restore the normal function of contaminated soil. In the current soil remediation work, before the contaminated soil is repaired, it is necessary to conduct random multi-point sampling on the soil here to detect and measure the soil quality here, that is, its degree of pollution. By extracting and testing the soil samples, the soil remediation can be more accurate, and the corresponding technical plan for soil remediation can be determined more accurately, thereby accelerating the speed and work efficiency of soil remediation. When extracting soil samples, manual excavation sampling is currently usually adopted. Operators cannot easily extract soil at different depths, and such operation is cumbersome and time-consuming, thus affecting the overall work efficiency.

[0003] A Chinese patent with publication number CN221898812U discloses a soil sampling device. The structure facilitates the disassembly, maintenance and cleaning of the drill head from the device by providing a second connecting head and a second connecting hole. When sampling, the drill head is driven down into the formation by rotating the handle at the top of the main tube of the device to rotate the soil in the formation to take a sample.

[0004] At present, the soil sampling structure drill bits on the market are often spiral or cylindrical. In the former, the sample adheres to the inner side of the spiral structure after sampling. The friction between the drill bit and the ground can easily cause soil samples at different depths to be mixed together. In the latter, the ground soil is squeezed and it is not easy to unload. In addition, the soil sample at the specified depth is located at the bottom of the cylinder. After sampling, it is easy to fall due to shaking, resulting in reduced sampling efficiency. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a soil remediation detection device and method thereof, which solve the problems raised in the background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a detection device for soil remediation, comprising a machine base, a lifting platform that slides along the axial direction of the machine base, and a guide column arranged on the lower surface of the lifting platform, and also comprising a hollow ground-inserting rod, the hollow ground-inserting rod is fixed to the lower end of the guide column, and the lower end of the hollow ground-inserting rod is detachably connected to the longitudinal drill bit through a connecting assembly; an opening, wherein a plurality of openings are provided, and the plurality of openings are uniformly distributed in a circular shape on the outer side of the hollow ground-inserting rod near the longitudinal drill bit; a bottom plate, wherein the bottom plate is slidably mounted on the lower end of the inner side of the opening, and a sampling tube is detachably fixed on the upper surface of the bottom plate, a cover plate is fixed on the end of the bottom plate away from the axis of the hollow ground-inserting rod, and a transverse drill bit is fixed on the outer side of the cover plate; an upper plate, wherein the upper plate is slidably mounted on the upper end of the inner side of the opening, and a ring cutter adapted to the sampling tube is provided on the upper plate; a central axis, wherein the central axis is movably mounted at the inner axis of the hollow ground-inserting rod, and a second conical platform is slidably mounted on the central axis, and the second conical platform is raised and lowered to drive the bottom plate to move transversely.

[0007] Furthermore, a support seat is integrally formed at one end of the bottom plate facing the central axis, a second movable cavity is opened inside the support seat, a push rod is slidably installed inside the second movable cavity, the upper end of the push rod is fixedly connected to the upper plate, and a first return spring is installed on the outer side of the push rod between the upper end inside the second movable cavity and the bottom of the push rod; the outer diameter of the upper end of the second conical platform is smaller than the outer diameter of the lower end thereof, and a guide groove is provided on the side of the second conical platform, and a guide slider slidably connected to the guide groove is fixed at one end of the bottom plate facing the central axis; wherein, the second conical platform moves downward so that the guide slider pulls the bottom plate to move toward the inside of the central axis, and the second conical platform moves upward so that the guide slider pushes the bottom plate to move toward the outside of the central axis, and when the guide slider is located at the lowermost end of the guide groove, the second conical platform moves upward so that the guide slider drives the bottom plate and the upper plate upward.

[0008] Furthermore, a connecting ring is provided on the outer side of the central axis and is movable above the second conical platform. The connecting ring is provided with a connecting guide rod. One end of the connecting guide rod extends to the interior of the upper plate and is slidably connected to the upper plate.

[0009] Furthermore, an electric telescopic cylinder is fixed to the upper end of the hollow ground-inserted rod, and the telescopic end of the electric telescopic cylinder is fixedly connected to the central axis; a male contact switch is provided on the outer side of the upper plate, and a female contact switch corresponding to the male contact switch is provided on the outer side of the connecting ring, and the female contact switch is electrically connected to the controller of the electric telescopic cylinder to control the operation of the electric telescopic cylinder.

[0010] Furthermore, a first movable cavity is formed on the inner wall of the hollow ground-inserted rod at the upper end of the opening, an upper protective plate slidably connected to the upper plate is slidably installed inside the first movable cavity, and a first driving spring is installed between the upper end of the upper protective plate and the upper end of the first movable cavity; a third movable cavity is formed on the inner wall of the hollow ground-inserted rod at the lower end of the opening, a lower protective plate slidably connected to the bottom plate is slidably installed inside the third movable cavity, and a second driving spring is installed between the lower end of the lower protective plate and the lower end of the third movable cavity; the first driving spring and the second driving spring are relaxed to respectively drive the upper protective plate and the lower protective plate to slide toward the opening direction.

[0011] Furthermore, the connecting assembly includes a mounting cavity opened at the lower end of the hollow ground-inserting rod, a mounting seat connected to the mounting cavity is fixed to the upper end of the longitudinal drill bit, a cavity is opened at the upper end of the mounting seat, and a socket is opened on the outer side of the mounting seat at the position of the cavity; a fourth movable cavity is opened at the upper end of the mounting cavity on the side wall of the hollow ground-inserting rod, a U-shaped plug rod is slidably installed inside the fourth movable cavity, the U-shaped plug rod is a horizontal "U"-shaped structure, and the length of the upper end of the U-shaped plug rod is twice the length of its lower end, the lower end of the U-shaped plug rod is connected to the socket, and the upper end of the U-shaped plug rod is located above the mounting seat, and a second return spring is installed between the inner wall of the fourth movable cavity and the U-shaped plug rod.

[0012] Furthermore, a first conical platform is fixed to the lower end of the central axis, the outer diameter of the upper end of the first conical platform is twice the outer diameter of the lower end thereof, and the outer wall of the first conical platform abuts against the upper end of the U-shaped insertion rod so that the first conical platform pushes the U-shaped insertion rod to move.

[0013] Furthermore, a longitudinal sliding groove is provided on the outer side of the central axis, a longitudinal sliding block is provided inside the second conical platform, and the longitudinal sliding block is slidably connected to the longitudinal sliding groove.

[0014] Furthermore, a limiting block is fixed on the upper surface of the base plate, a limiting cavity adapted to the limiting block is provided at the lower end of the sampling tube, a limiting ring is fixed on the lower surface of the upper plate, and the limiting ring is sleeved on the outer upper end of the sampling tube to fix the sampling tube after installation.

[0015] In addition, the present invention also provides a method for using the soil remediation detection device, comprising the following steps: S1. Move the machine base to the area to be sampled, install the sampling tube, control the lifting platform to descend, and make the guide column drive the hollow ground-inserting rod downward, so that the longitudinal drill bit reaches the specified depth; S2, control the electric telescopic cylinder to retract, move the sampling tube to the outside of the hollow ground-inserting rod, and make the circular cutting knife cut the soil to obtain soil samples; S3, controlling the electric telescopic cylinder to extend, so that the sampling tube moves toward the central axis, so as to cut off the soil sample and allow the soil sample to stably enter the sampling tube; S4, control the lifting platform to move upward to move the longitudinal drill bit out of the soil, control the electric telescopic cylinder to retract again to move the sampling tube to the outside of the hollow ground-inserting rod, take out the sampling tube, and complete the soil sampling task.

[0016] The present invention has the following beneficial effects: (1) The soil remediation detection device can collect samples from multiple directions in the same plane by setting up multiple sampling tubes, thereby improving the accuracy of soil sample detection results. By controlling the sampling tubes to enter and exit the hollow ground-inserting rod, the samples inside the sampling tubes can be effectively protected to prevent the samples from being mixed with soil from different layers. The soil sampling effect is good and the soil sample can be prevented from falling.

[0017] (2) The soil remediation detection device can effectively reduce the infiltration of soil into the hollow ground-inserted rod by setting up the upper protective plate, the lower protective plate and the support seat, thereby helping to improve the stability of the equipment's working state, reduce the mixing of soils at different layers, and further improve the accuracy of the detection results.

[0018] (3) The soil remediation detection device can reduce the number of fixing bolts used by plugging the U-shaped plug rod into the plug hole, thereby facilitating the later disassembly of the mounting base, the maintenance of the longitudinal drill bit, and the discharge of soil impurities inside the hollow plug rod, thereby improving the practicality of the equipment.

[0019] 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

[0020] Figure 1 It is a structural schematic diagram of a detection device for soil remediation; Figure 2 Detection device for soil remediation Figure 1 Another perspective of the picture; Figure 3 Detection device for soil remediation Figure 2 The enlarged view of point A in the middle; Figure 4 This is a schematic diagram of the internal structure of a hollow ground-inserting rod in a soil remediation detection device; Figure 5 Detection device for soil remediation Figure 4 The enlarged view of point B in the middle; Figure 6 This is a schematic diagram of the installation structure of the second cone platform in the soil remediation detection device; Figure 7 This is a schematic diagram of the installation structure of the bottom plate in the soil remediation detection device; Figure 8 In the detection device for soil remediation Figure 7 The main view; Fig. 9 This is a schematic diagram of the installation structure of the upper plate in the soil remediation detection device; Fig.10 It is a schematic diagram of the connection between the second conical platform and the hollow ground-inserting rod in the soil remediation detection device; Fig.11 It is a schematic diagram of the installation structure of the longitudinal drill bit in the present invention.

[0021] In the figure, 1, machine base; 2, lifting platform; 3, through hole; 4, guide column; 5, screw rod; 6, hollow ground rod; 7, opening; 8, bottom plate; 9, support seat; 10, upper plate; 11, cover plate; 12, horizontal drill bit; 13, sampling tube; 14, circular cutting knife; 15, upper protective plate; 16, partition; 17, electric telescopic cylinder; 18, central axis; 19, first conical platform; 20, longitudinal drill bit; 21, mounting seat; 22, mounting cavity; 23, second conical platform; 24, first active cavity; 25, first driving spring; 26, second active cavity; 27, top Rod; 28. First return spring; 29. ​​Third movable cavity; 30. Lower protective plate; 31. Second drive spring; 32. Limit block; 33. Limit ring; 34. Guide slide; 35. Connecting ring; 36. Longitudinal slide; 37. Fourth movable cavity; 38. Second return spring; 39. U-shaped plug rod; 40. Socket; 41. Fixing bolt; 42. Contact switch male head; 43. Contact switch female head; 44. Guide slide; 45. Connecting guide rod; 46. Limit cavity; 47. Longitudinal slide; 48. Positioning column; 49. Positioning slide; 50. Cavity. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] See also Figure 1 - Fig.11The embodiment of the present invention provides a technical solution: a soil remediation detection device, comprising a machine base 1, a lifting platform 2 axially sliding along the machine base 1, and a guide column 4 arranged on the lower surface of the lifting platform 2. Preferably, a screw rod 5 is installed on the machine base 1, and the screw rod 5 is threadedly connected to the lifting platform 2. A first driving member for driving the screw rod 5 to rotate is fixed on the upper end of the machine base 1. The lifting platform 2 slides inside the machine base 1 through the rotation of the screw rod 5, so as to realize the lifting and lowering of the lifting platform 2. In addition, a scale line can be set on one side of the machine base 1, and a pointer is installed on one side of the lifting platform 2. Through the cooperation between the pointer and the scale line, the lifting height of the lifting platform 2 can be measured, which is conducive to controlling the soil sampling depth. In addition, a second driving member for driving the guide column 4 to rotate is provided at the upper end of the lifting platform 2, so that the guide column 4 can be inserted into the ground. Both the first driving member and the second driving member can be realized by a reduction motor. A through hole 3 facing the guide column 4 is provided at the bottom of the machine base 1.

[0024] The soil remediation detection device provided in the present embodiment also includes a hollow ground-inserting rod 6, which is fixed to the lower end of the guide column 4, and the lower end of the hollow ground-inserting rod 6 is detachably connected to the longitudinal drill bit 20 through a connecting assembly to facilitate drilling into the ground. A plurality of openings 7 are evenly distributed in a circular shape on the outer side of the hollow ground-inserting rod 6 near the longitudinal drill bit 20. A bottom plate 8 is slidably mounted on the lower end of the inner side of the opening 7, and a sampling tube 13 is detachably fixed to the upper surface of the bottom plate 8. Preferably, the sampling tube 13 is made of hard plastic material. A cover plate 11 is fixed to the end of the bottom plate 8 away from the axis of the hollow ground-inserting rod 6. The cover plate 11 can be used to close the opening 7, mainly used to close the opening 7 during the descent of the longitudinal drill bit 20 to prevent soil from entering the hollow ground-inserting rod 6 from the opening 7. A transverse drill bit 12 is fixed to the outer side of the cover plate 11. Preferably, the transverse drill bit 12 is a conical cutter head or a conical structure, which is mainly used to push the soil layer when the cover plate 11 moves outward to reduce the resistance of the cover plate 11 when it moves underground.

[0025] The soil remediation detection device provided in the embodiment for realizing soil sampling also includes an upper plate 10, which is slidably installed on the upper end of the inner side of the opening 7, and is provided with a circular cutting knife 14 adapted to the sampling tube 13. By controlling the upper plate 10 to ascend underground, the circular cutting knife 14 cuts and samples the underground soil, and the cut soil sample falls into the sampling tube 13 to realize soil sampling.

[0026] In order to further control the movement of the upper plate 10 and the bottom plate 8, the present solution also includes a central axis 18, which is movably installed at the internal axis of the hollow ground-inserted rod 6, and a second conical platform 23 is slidably installed on the central axis 18. The second conical platform 23 is raised and lowered to drive the bottom plate 8 to move horizontally. Due to the structural characteristics of the second conical platform 23, the side wall of the second conical platform 23 pushes the bottom plate 8 to move, thereby realizing the extension and retraction of the bottom plate 8.

[0027] like Figure 3 - Figure 8 As shown, to facilitate the loading and unloading of the sampling tube 13, a support seat 9 is integrally formed at one end of the bottom plate 8 facing the central axis 18, wherein the support seat 9 is mainly used to prevent the soil from penetrating into the hollow ground-inserted rod 6 from between the bottom plate 8 and the upper plate 10 when the bottom plate 8 moves toward the outside of the hollow ground-inserted rod 6, and a second movable cavity 26 is opened inside the support seat 9, and a top rod 27 is slidably installed inside the second movable cavity 26, the upper end of the top rod 27 is fixedly connected to the upper plate 10, and a first return spring 28 is installed on the outside of the top rod 27 between the upper end of the second movable cavity 26 and the bottom of the top rod 27, by pulling the upper plate 10 to move upward, thereby increasing the distance between the upper plate 10 and the bottom plate 8, which is beneficial to the loading and unloading of the sampling tube 13, after the sampling tube 13 is installed, the first return spring 28 contracts, thereby causing the upper plate 10 to move downward, so that the upper plate 10 and the upper end of the support seat 9 are butted against each other.

[0028] In order to realize the driving of the bottom plate 8 and the upper plate 10, the outer diameter of the upper end of the second conical platform 23 provided in this scheme is smaller than the outer diameter of the lower end, and a guide groove 34 is provided on the side of the second conical platform 23, and a guide slider 44 slidably connected to the guide groove 34 is fixed on one end of the bottom plate 8 facing the central axis 18.

[0029] When the guide slider 44 is at the uppermost end of the guide slot 34, the horizontal distance from the guide slider 44 to the axis of the second conical platform 23 is the smallest, so that the bottom plate 8 and the upper plate 10 are retracted into the hollow earth insertion rod 6, and the cover plate 11 is tightly attached to the outside of the opening 7, thereby preventing soil from entering the hollow earth insertion rod 6. When the second conical platform 23 goes up, the guide slider 44 and the guide slot 34 slide relative to each other, so that the guide slider 44 gradually moves to the lower end of the guide slot 34, so that the horizontal distance from the guide slider 44 to the axis of the second conical platform 23 gradually increases, further causing the guide slider 44 to push the bottom plate 8 outward, and then causing the cover plate 11 to drive the transverse drill bit 12 to break the lateral soil. When the guide slider 44 is at the lowermost end of the guide slot 34, the second conical platform 23 continues to go up to allow the second conical platform 23 to move upward. The lower end of the guide slot 34 on the second conical platform 23 pushes the guide slider 44 and the second conical platform 23 to move upward synchronously, thereby driving the bottom plate 8 and the upper plate 10 upward to apply thrust to the cutting knife 14, so that the cutting knife 14 cuts the soil sample, and further allows the soil sample to enter the sampling tube 13. After the sampling is completed, the second conical platform 23 moves downward, further allowing the guide slider 44 to be located at the uppermost end of the guide slot 34. At this time, the guide slider 44 pulls the bottom plate 8 toward the inside of the central axis 18, so that the sampling tube 13 moves toward the central axis 18, thereby achieving the cutting of the sampled soil and allowing the soil to stably enter the sampling tube 13. In addition, after the sampling tube 13 enters the hollow ground-inserting rod 6, the sample inside the sampling tube 13 can be effectively protected to prevent the sample from being mixed with soil of different layers, and the soil sampling effect is good to avoid the soil sample from falling.

[0030] like Figure 6 - Fig. 9 As shown, in order to better assist the upper plate 10 to move up and down, a connecting ring 35 is provided on the outer side of the central axis 18 provided in this embodiment and is movably sleeved above the second conical platform 23. The connecting ring 35 is provided with a connecting guide rod 45. One end of the connecting guide rod 45 extends to the interior of the upper plate 10 and is slidably connected to the upper plate 10.

[0031] In this solution, the sliding connection between the connecting guide rod 45 and the upper plate 10 is used to improve the stability of the upper plate 10 during movement. In addition, the push of the upper end of the second conical platform 23 can more effectively control the upward movement of the upper plate 10, thereby facilitating the cutting of the soil sample by the ring cutter 14.

[0032] like Figure 4 - Fig. 9As shown, an electric telescopic cylinder 17 is fixed to the upper end of the hollow ground-inserted rod 6 in this solution, and the telescopic end of the electric telescopic cylinder 17 is fixedly connected to the central axis 18. Specifically, a partition 16 is fixed to the hollow ground-inserted rod 6, and a through hole is opened on the partition 16 to facilitate the movement of the central axis 18. The partition 16 is provided to separate the electric telescopic cylinder 17 from the second conical platform 23, so as to prevent the equipment from being inverted and causing the soil to affect the operation of the electric telescopic cylinder 17.

[0033] In addition, in order to control the working state of the electric telescopic cylinder 17, a contact switch male head 42 is provided on the outer side of the upper plate 10, and a contact switch female head 43 corresponding to the contact switch male head 42 is provided on the outer side of the connecting ring 35. The contact switch female head 43 is electrically connected to the controller of the electric telescopic cylinder 17 to control the operation of the electric telescopic cylinder 17. Specifically, when the contact switch male head 42 contacts the contact switch female head 43, the electric telescopic cylinder 17 stops working. At this time, it is necessary to manually control the operation of the electric telescopic cylinder 17 to prevent the second conical platform 23 from continuing to descend.

[0034] like Figure 4 - Figure 8 As shown, in order to further prevent soil from entering the hollow ground-inserting rod 6 during the sampling process, a first movable cavity 24 is opened on the inner wall of the hollow ground-inserting rod 6 at the upper end of the opening 7, and an upper protective plate 15 slidably installed inside the first movable cavity 24 and slidably connected to the upper plate 10, and a first driving spring 25 is installed between the upper end of the upper protective plate 15 and the upper end of the first movable cavity 24. Preferably, a groove adapted to the ring cutting knife 14 is opened at the lower end of the upper protective plate 15 to avoid jamming. Specifically, when in use, the upper protective plate 15 is pushed by the first driving spring 25, so that the upper protective plate 15 is always against the upper surface of the upper plate 10, thereby preventing soil from entering the hollow ground-inserting rod 6 from the upper end of the opening 7.

[0035] In addition, a third movable cavity 29 is provided inside the hollow ground-inserted rod 6 at the lower end of the opening 7, and a lower protective plate 30 slidably installed inside the third movable cavity 29 and slidably connected to the bottom plate 8, and a second driving spring 31 is installed between the lower end of the lower protective plate 30 and the lower end of the third movable cavity 29. When in use, the lower protective plate 30 is pushed by the second driving spring 31 so that the lower protective plate 30 is always in contact with the lower surface of the bottom plate 8, thereby preventing soil from entering the hollow ground-inserted rod 6 from the lower end of the opening 7.

[0036] The first driving spring 25 and the second driving spring 31 are relaxed to respectively drive the upper protection plate 15 and the lower protection plate 30 to slide toward the opening 7 .

[0037] like Figure 4 , Figure 6 and Fig.11As shown, the connection assembly provided in this embodiment includes a mounting cavity 22 opened at the lower end of the hollow earth-inserting rod 6, and a mounting seat 21 plugged into the mounting cavity 22 is fixed at the upper end of the longitudinal drill bit 20, wherein the mounting cavity 22 provided in this scheme is not only conducive to the plugging of the mounting seat 21, but also can facilitate the discharge of soil impurities inside the hollow earth-inserting rod 6 after the mounting seat 21 is disassembled. In addition, a cavity 50 is opened at the upper end of the interior of the mounting seat 21, and a socket 40 is opened on the outer side of the mounting seat 21 at the position of the cavity 50. Furthermore, in order to facilitate the rapid and accurate installation of the mounting seat 21, a positioning groove 49 is opened on the side wall of the mounting seat 21, and a positioning column 48 slidably connected to the positioning groove 49 is provided on the inner wall of the mounting cavity 22.

[0038] In addition, in order to fix the mounting seat 21, a fourth movable cavity 37 is opened at the upper end of the mounting cavity 22 on the side wall of the hollow ground rod 6. A U-shaped plug rod 39 is slidably installed inside the fourth movable cavity 37. The U-shaped plug rod 39 is a horizontal "U"-shaped structure, and the length of the upper end of the U-shaped plug rod 39 is twice the length of its lower end. The lower end of the U-shaped plug rod 39 is plugged into the socket 40, and the upper end of the U-shaped plug rod 39 is located above the mounting seat 21. A second reset spring is installed between the inner wall of the fourth movable cavity 37 and the U-shaped plug rod 39. Spring 38. It should be noted that a fixing bolt 41 is provided between the middle end or lower end of the mounting seat 21 and the lower end of the hollow ground-inserting rod 6 to improve the stability of the connection between the mounting seat 21 and the hollow ground-inserting rod 6 and prevent the mounting seat 21 from being separated from the hollow ground-inserting rod 6 due to operational errors. By plugging the U-shaped plug rod 39 into the socket 40, the number of fixing bolts 41 used can be reduced, thereby facilitating the later disassembly of the mounting seat 21, the maintenance of the longitudinal drill bit 20 and the discharge of soil impurities inside the hollow ground-inserting rod 6.

[0039] Specifically, in the present embodiment, the lower end of the U-shaped rod 39 is moved synchronously by pushing the upper end of the U-shaped rod 39 to move, thereby separating the lower end of the U-shaped rod 39 from the socket 40, which is beneficial for the disassembly of the mounting seat 21. During the installation of the mounting seat 21, the second return spring 38 is relaxed to drive the U-shaped rod 39 to move toward the cavity 50, thereby allowing the lower end of the U-shaped rod 39 to be inserted into the socket 40, thereby achieving the installation and fixation of the mounting seat 21.

[0040] like Figure 6 , Fig.10 and Fig.11 As shown, in order to realize the driving of the U-shaped plug 39, a first conical platform 19 is fixed at the lower end of the central axis 18, and the outer diameter of the upper end of the first conical platform 19 is twice the outer diameter of the lower end thereof. The outer wall of the first conical platform 19 abuts against the upper end of the U-shaped plug 39, so that the first conical platform 19 pushes the U-shaped plug 39 to move, thereby separating the lower end of the U-shaped plug 39 from the insertion hole 40.

[0041] like Figure 6 , Figure 7 , Figure 8 and Fig.10 As shown, in this embodiment, a longitudinal groove 36 is provided on the outer side of the central axis 18, and a longitudinal slider 47 is provided inside the second conical platform 23. The longitudinal slider 47 is slidably connected to the longitudinal groove 36. When the longitudinal slider 47 moves to the lowermost end of the longitudinal groove 36, the upward movement of the central axis 18 can drive the second conical platform 23 to move upward, so as to push the bottom plate 8 and the upper plate 10 upward, so that the circular cutting knife 14 cuts the soil sample. When the contact switch male head 42 contacts the contact switch female head 43, the electric telescopic cylinder 17 stops working to prevent the electric telescopic cylinder 17 from continuing to extend so that the first conical platform 19 pushes the U-shaped plug 39 to move. At this time, the electric telescopic cylinder 17 is manually controlled to continue to extend the electric telescopic cylinder 17, so that the first conical platform 19 moves downward, further pushing the U-shaped plug 39 to move.

[0042] like Figure 5 and Figure 8 As shown, in order to improve the stability of the sampling tube 13 after installation, a limiting block 32 is fixed on the upper surface of the bottom plate 8, and a limiting cavity 46 adapted to the limiting block 32 is provided at the lower end of the sampling tube 13. A limiting ring 33 is fixed on the lower surface of the upper plate 10, and the limiting ring 33 is sleeved with the upper end of the outer side of the sampling tube 13 to fix the sampling tube 13 after installation. The limiting block 32 and the limiting cavity 46 and the limiting ring 33 and the sampling tube 13 are sleeved to achieve the limiting of the upper and lower ends of the sampling tube 13, thereby improving the stability of the sampling tube 13 after installation.

[0043] When in use (working), the machine base 1 is moved to the specified position, and the height of the lifting platform 2 is controlled to be lowered, thereby controlling the probing depth of the longitudinal drill bit 20. After the longitudinal drill bit 20 reaches the specified depth position, the electric telescopic cylinder 17 is started, and the central axis 18 is pulled upward by the electric telescopic cylinder 17, and the second conical platform 23 is further driven upward. When the second conical platform 23 moves upward, the guide slider 44 and the guide slide groove 34 slide relative to each other, so that the guide slider 44 gradually moves to the lower end of the guide slide groove 34, so that the horizontal distance from the guide slider 44 to the axis of the second conical platform 23 gradually increases, and further the guide slider 44 pushes the bottom plate 8 outward to move, and then the cover plate 11 drives the transverse drill bit 12 to break the lateral soil, which is conducive to placing the ring cutter 14 and the sampling tube 13 on the outside of the hollow ground insertion rod 6. When the guide slider 44 is in the guide When the slide groove 34 is at the lowest end, at this time, the second conical platform 23 continues to move upward so that the lower end of the guide slide groove 34 on the second conical platform 23 pushes the guide slider 44 and the second conical platform 23 to move upward synchronously, thereby driving the bottom plate 8 and the upper plate 10 to move upward to apply thrust to the cutting knife 14, so that the cutting knife 14 cuts the soil sample, and further allows the soil sample to enter the sampling tube 13. During this process, the upper protective plate 15 is pushed by the first driving spring 25, so that the upper protective plate 15 is always against the upper surface of the upper plate 10, thereby preventing soil from entering the hollow ground rod 6 from the upper end of the opening 7. The lower protective plate 30 is pushed by the second driving spring 31, so that the lower protective plate 30 is always against the lower surface of the bottom plate 8, thereby preventing soil from entering the hollow ground rod 6 from the lower end of the opening 7, so as to ensure that the inside of the hollow ground rod 6 is clean.

[0044] After the sampling is completed, the electric telescopic cylinder 17 is actuated, and the central axis 18 is pushed downward by the electric telescopic cylinder 17, so that the second conical platform 23 is moved downward, and the guide slider 44 is further located at the uppermost end of the guide slide groove 34. At this time, the guide slider 44 pulls the bottom plate 8 toward the inner side of the central axis 18, so that the sampling tube 13 moves toward the central axis 18, thereby realizing the cutting of the sampled soil and allowing the soil to stably enter the sampling tube 13. In addition, after the sampling tube 13 enters the hollow ground insertion rod 6, the sample inside the sampling tube 13 can be effectively protected to prevent the sample from being mixed with soil of different layers, and the soil sampling effect is good, and the soil sample is prevented from falling. During this process, the upper plate 10 moves toward the connecting ring 35 until the contact switch male head 42 contacts the contact switch female head 43. At this time, the electric telescopic cylinder 17 stops working to prevent the electric telescopic cylinder 17 from continuing to extend so that the first conical platform 19 pushes the U-shaped insertion rod 39 to move.

[0045] The lifting platform 2 is controlled to rise, thereby controlling the longitudinal drill bit 20 to move out of the soil. At this time, the bottom plate 8 is controlled to extend from the inside of the hollow ground-inserting rod 6 through the electric telescopic cylinder 17, and the upper plate 10 is pulled upward, thereby increasing the distance between the upper plate 10 and the bottom plate 8, which is beneficial to the loading and unloading of the sampling tube 13.

[0046] When there are soil impurities inside the hollow earth-inserting rod 6, the electric telescopic cylinder 17 is manually controlled to continue to extend the electric telescopic cylinder 17, so that the first conical platform 19 moves downward, further pushing the U-shaped insertion rod 39 to move, so that the lower end of the U-shaped insertion rod 39 is separated from the insertion hole 40. By plugging the U-shaped insertion rod 39 into the insertion hole 40, the number of fixing bolts 41 used can be reduced, thereby facilitating the later disassembly of the mounting seat 21, facilitating the maintenance of the longitudinal drill bit 20 and the discharge of soil impurities inside the hollow earth-inserting rod 6, and improving the practicability of the equipment.

[0047] In addition, the present invention also provides a method for using the soil remediation detection device, comprising the following steps: S1, move the machine base 1 to the area to be sampled, install the sampling tube 13, control the lifting platform 2 to descend, and make the guide column 4 drive the hollow ground-inserting rod 6 downward, so that the longitudinal drill bit 20 reaches the specified depth; S2, control the electric telescopic cylinder 17 to retract, so that the sampling tube 13 moves to the outside of the hollow ground-inserting rod 6, and the circular cutting knife 14 cuts the soil to obtain a soil sample; S3, controlling the electric telescopic cylinder 17 to extend, so that the sampling tube 13 moves toward the central axis 18, so as to cut off the soil sample and allow the soil sample to stably enter the sampling tube 13; S4, control the lifting platform 2 to move upward, so that the longitudinal drill bit 20 moves out of the soil, and control the electric telescopic cylinder 17 to contract again, so that the sampling tube 13 moves to the outside of the hollow ground-inserting rod 6, and take out the sampling tube 13 to complete the soil sampling task.

Claims

1. A soil remediation detection device, comprising a machine base (1), a lifting platform (2) sliding along the axial direction of the machine base (1), and a guide column (4) arranged on the lower surface of the lifting platform (2), characterized in that: Also includes: A hollow ground-inserting rod (6), wherein the hollow ground-inserting rod (6) is fixed to the lower end of the guide column (4), and the lower end of the hollow ground-inserting rod (6) is detachably connected to the longitudinal drill bit (20) via a connecting assembly; An opening (7), wherein a plurality of the openings (7) are provided, and the plurality of openings (7) are evenly distributed in a circular shape on the outside of the hollow earth-inserting rod (6) near the longitudinal drill bit (20); A bottom plate (8), the bottom plate (8) being slidably mounted on the lower inner end of the opening (7), and a sampling tube (13) being detachably fixed on the upper surface of the bottom plate (8), a cover plate (11) being fixed on one end of the bottom plate (8) away from the axis of the hollow ground-inserting rod (6), and a transverse drill bit (12) being fixed on the outer side of the cover plate (11); An upper plate (10), the upper plate (10) being slidably mounted on the inner upper end of the opening (7), and a circular cutting knife (14) adapted to the sampling tube (13) is provided on the upper plate (10); A central axis (18) is movably mounted at the inner axis center of the hollow ground-inserting rod (6), and a second conical platform (23) is slidably mounted on the central axis (18), and the second conical platform (23) is raised and lowered to drive the bottom plate (8) to move horizontally.

2. A soil remediation detection device according to claim 1, characterized in that: A support seat (9) is integrally formed at one end of the bottom plate (8) facing the central axis (18); a second movable cavity (26) is provided inside the support seat (9); a push rod (27) is slidably mounted inside the second movable cavity (26); an upper end of the push rod (27) is fixedly connected to the upper plate (10); and a first return spring (28) is mounted on the outer side of the push rod (27) between the upper end inside the second movable cavity (26) and the bottom of the push rod (27); The outer diameter of the upper end of the second conical platform (23) is smaller than the outer diameter of the lower end thereof, and a guide slide groove (34) is provided on the side of the second conical platform (23); a guide sliding block (44) slidably connected to the guide slide groove (34) is fixed to one end of the bottom plate (8) facing the central axis (18); The second conical platform (23) moves downward so that the guide slider (44) pulls the bottom plate (8) toward the inside of the central axis (18), and the second conical platform (23) moves upward so that the guide slider (44) pushes the bottom plate (8) toward the outside of the central axis (18). When the guide slider (44) is located at the lowermost end of the guide slot (34), the second conical platform (23) moves upward so that the guide slider (44) drives the bottom plate (8) and the upper plate (10) upward.

3. A soil remediation detection device according to claim 2, characterized in that: A connecting ring (35) is provided on the outer side of the central axis (18) and is movable above the second conical platform (23). The connecting ring (35) is provided with a connecting guide rod (45). One end of the connecting guide rod (45) extends into the interior of the upper plate (10) and is slidably connected to the upper plate (10).

4. A soil remediation detection device according to claim 3, characterized in that: An electric telescopic cylinder (17) is fixed to the upper end of the hollow ground-inserting rod (6), and the telescopic end of the electric telescopic cylinder (17) is fixedly connected to the central axis (18); A contact switch male head (42) is provided on the outer side of the upper plate (10), and a contact switch female head (43) corresponding to the contact switch male head (42) is provided on the outer side of the connecting ring (35); the contact switch female head (43) is electrically connected to a controller of the electric telescopic cylinder (17) to control the operation of the electric telescopic cylinder (17).

5. A soil remediation detection device according to claim 4, characterized in that: The inner wall of the hollow ground-inserting rod (6) is provided with a first movable cavity (24) at the upper end of the opening (7); an upper protective plate (15) slidably connected to the upper plate (10) is slidably mounted inside the first movable cavity (24); a first driving spring (25) is mounted between the upper end of the upper protective plate (15) and the upper end of the first movable cavity (24); A third movable cavity (29) is provided inside the hollow ground-inserting rod (6) at the lower end of the opening (7); a lower protective plate (30) slidably connected to the bottom plate (8) is slidably mounted inside the third movable cavity (29); a second driving spring (31) is mounted between the lower end of the lower protective plate (30) and the lower end of the third movable cavity (29); The first drive spring (25) and the second drive spring (31) are relaxed to respectively drive the upper protection plate (15) and the lower protection plate (30) to slide towards the opening (7).

6. A soil remediation detection device according to claim 5, characterized in that: The connection assembly comprises a mounting cavity (22) formed at the lower end of the hollow ground-inserting rod (6); a mounting seat (21) plugged into the mounting cavity (22) is fixed at the upper end of the longitudinal drill bit (20); a cavity (50) is formed at the upper end of the mounting seat (21); and a plug hole (40) is formed at the position of the cavity (50) on the outer side of the mounting seat (21); A fourth movable cavity (37) is provided on the side wall of the hollow ground rod (6) at the upper end of the mounting cavity (22). A U-shaped plug rod (39) is slidably mounted inside the fourth movable cavity (37). The U-shaped plug rod (39) is a horizontally placed "U"-shaped structure, and the length of the upper end of the U-shaped plug rod (39) is twice the length of the lower end. The lower end of the U-shaped plug rod (39) is plugged into the insertion hole (40), and the upper end of the U-shaped plug rod (39) is located above the mounting seat (21). A second return spring (38) is installed between the inner wall of the fourth movable cavity (37) and the U-shaped plug rod (39).

7. A soil remediation detection device according to claim 6, characterized in that: A first conical platform (19) is fixed to the lower end of the central axis (18); the outer diameter of the upper end of the first conical platform (19) is twice the outer diameter of the lower end; the outer wall of the first conical platform (19) abuts against the upper end of the U-shaped insertion rod (39), so that the first conical platform (19) pushes the U-shaped insertion rod (39) to move.

8. A soil remediation detection device according to any one of claims 1 to 7, characterized in that: A longitudinal slide groove (36) is provided on the outer side of the central axis (18), and a longitudinal slide block (47) is provided inside the second conical platform (23). The longitudinal slide block (47) is slidably connected to the longitudinal slide groove (36).

9. A soil remediation detection device according to claim 8, characterized in that: A limiting block (32) is fixed on the upper surface of the bottom plate (8), a limiting cavity (46) adapted to the limiting block (32) is provided at the lower end of the sampling tube (13), and a limiting ring (33) is fixed on the lower surface of the upper plate (10), the limiting ring (33) being sleeved on the outer upper end of the sampling tube (13) for fixing the sampling tube (13) after installation.

10. A method for using a soil remediation detection device, according to a soil remediation detection device according to any one of claims 1 to 9, characterized in that: The following steps are involved: S1, moving the machine base (1) to the area to be sampled, installing the sampling tube (13), controlling the lifting platform (2) to descend, causing the guide column (4) to drive the hollow ground-inserting rod (6) downward, and causing the longitudinal drill bit (20) to reach a specified depth; S2, controlling the electric telescopic cylinder (17) to retract, so that the sampling tube (13) moves to the outside of the hollow ground-inserting rod (6), and the circular cutting knife (14) cuts the soil to obtain a soil sample; S3, controlling the electric telescopic cylinder (17) to extend, so that the sampling tube (13) moves toward the central axis (18), thereby cutting off the soil sample and allowing the soil sample to stably enter the interior of the sampling tube (13); S4, control the lifting platform (2) to move upward, so that the longitudinal drill bit (20) moves outside the soil, and control the electric telescopic cylinder (17) to retract again, so that the sampling tube (13) moves to the outside of the hollow ground-inserting rod (6), and take out the sampling tube (13), thereby completing the soil sampling task.

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