Soil sample collecting device for mine soil remediation

Abstract

The invention relates to the technical field of soil sample collection, and discloses a soil sample collection device for mine soil remediation, which comprises a driven buffer telescopic mechanism and a hydraulic pressure applying mechanism, a second longitudinal hollow cylinder which is fixedly mounted in the second component fixing opening and is hollow inside, a piston plate which is placed in the second longitudinal hollow cylinder and generates a downward moving effect after being subjected to liquid pressure, and a second longitudinal limiting rod which moves along with the piston plate and can drive the upper limiting moving plate to move longitudinally are arranged in the second component fixing opening. According to the soil sample collecting device for mine soil remediation, the gravity of a human body is used as downward sampling pressure, the overall weight of equipment can be reduced on the premise that the sampling pressure is not affected, and therefore personnel can carry and use the soil sample collecting device conveniently, in addition, the sampling pressure is transmitted in a buffering mode, and the soil sample collecting device can rotate in situ when encountering stone resistance; therefore, fatal influence on equipment is avoided, and the service life is long.

Description

Technical Field

[0001] The present invention relates to the technical field of soil sample collection, and specifically to a soil sample collection device for mine soil remediation. Background Art

[0002] Mine soil pollution prevention and control refers to technical measures for controlling or reducing soil environmental pollution caused by mining operations. After pollutants generated by mining operations enter the soil body, through processes such as physical and mechanical absorption, retention, colloidal physicochemical adsorption, chemical precipitation, and biological absorption of suspended pollutants by the soil body, they continuously accumulate in the soil. When reaching a certain amount, it causes deterioration of soil composition, structure, properties, and functions, and begins to accumulate in plants, affecting the normal growth and development of plants, reducing crop yield and quality, and ultimately affecting human health. Therefore, it is necessary to regularly detect mine soil, and a sampling device is required for detection.

[0003] For example, the Chinese patent with the publication number "CN219641257U" discloses a "soil sample collection device for mine soil remediation". Its main structure includes a workbench, and a probing component is fixedly connected to the front part of the upper end of the workbench, which solves the problem of damage to the bottom of the sampling cylinder caused by the inability to monitor stones and metal blocks in the soil in the prior art. By setting a probing component on the device, before sampling, the servo motor is started, and the servo motor drives the threaded rod and the lifting bracket to move upward. By connecting a transmission mechanism between the probing component and the middle position of the lifting bracket, through the installation of a swing rod, the movable rod moves downward in the opposite direction, and the conical head at the lower end of the movable rod directly inserts into the soil to be sampled. When the movable rod moves down to a certain depth, if there are stones or metal blocks in the soil, the movable rod cannot move down, and the staff can change the sampling site to ensure that the sampling cylinder does not hit the stones, which is beneficial to the protection of the sampling cylinder and the device.

[0004] However, in the actual use process, the staff needs to manually move the above-mentioned soil sample collection device for mine soil remediation. Due to the necessary presence of the motor and the battery, it will undoubtedly increase the weight of the equipment. And the mine environment is relatively complex. For special areas, the soil sample collection device needs to be manually transported, resulting in a relatively large working intensity for the laborers. Moreover, the pressure of the sampling bucket on the ground comes from the axial biting force between the internal thread structure and the external thread structure during the rotation of the thread structure. Once encountering a stone, it is easy to cause damage to the thread. Summary of the Invention

[0005] In view of the deficiencies of the prior art, the present invention provides a soil sample collection device for mine soil remediation. By using human gravity as the downward sampling pressure, the overall weight of the device can be reduced without affecting the sampling pressure, thus facilitating personnel to carry and use. In addition, the device enables the sampling pressure to be transmitted in a buffered form and can rotate in place when encountering the resistance of stones, so as not to cause a fatal impact on the device and has a relatively high service life, solving the above technical problems.

[0006] To achieve the above object, the present invention provides the following technical solution: A soil sample collection device for mine soil remediation, including a bottom foot pedal, a longitudinal limiting cylinder arranged at the central part of the bottom foot pedal, a sampling cylinder that can longitudinally move inside the longitudinal limiting cylinder and has openings at both ends, with a tooth structure arranged at the bottom end, two symmetric longitudinal connecting rods fixedly installed on the upper surface of the bottom foot pedal, a top limiting plate fixedly installed at the top of the longitudinal connecting rods, a first shaft body installation hole arranged at the center of the top limiting plate, a fixed sleeve ring body, and a first component fixing port and a second component fixing port arranged in the fixed sleeve ring body. It also includes a passive buffer telescopic mechanism, which internally has a first longitudinal hollow cylinder fixedly installed in the first component fixing port and having a hollow interior, an upper limit moving plate and a lower limit moving plate arranged inside the first longitudinal hollow cylinder and capable of rotating and longitudinally moving along with the first longitudinal hollow cylinder, a first spiral spring placed between the upper limit moving plate and the lower limit moving plate and capable of providing elastic pressure, and a longitudinal movable rod that moves along with the lower limit moving plate and is connected to the sampling cylinder; and a hydraulic pressure application mechanism, which internally has a second longitudinal hollow cylinder fixedly installed in the second component fixing port and having a hollow interior, a piston plate placed inside the second longitudinal hollow cylinder and moving downward when subjected to liquid pressure, and a second longitudinal limiting rod that moves along with the piston plate and can drive the upper limit moving plate to longitudinally move.

[0007] Preferably, the driven buffer telescopic mechanism includes a first longitudinal hollow cylinder fixedly installed inside the fixing port of the first component. A first rotating shaft, which is integrally structured with the first longitudinal hollow cylinder and penetrates through the first shaft mounting hole, is provided at the center of the top end of the first longitudinal hollow cylinder. The shaft body of the first rotating shaft is installed in the first shaft mounting hole through a bearing. A first shaft fixing groove with an inward concave structure is provided at the top end of the first rotating shaft. A first longitudinal component moving cavity is provided inside the first longitudinal hollow cylinder. A third shaft perforation is provided at the bottom end of the first longitudinal component moving cavity. An upper limit moving plate and a lower limit moving plate, which can move axially along the first longitudinal component moving cavity, are placed inside the first longitudinal hollow cylinder at the position of the first longitudinal component moving cavity. A first shaft perforation communicating with the top end of the first longitudinal component moving cavity is provided at the top of the first longitudinal hollow cylinder. A first spiral spring is placed between the upper limit moving plate and the lower limit moving plate. A longitudinal moving rod, which penetrates through the third shaft perforation and is fixedly installed with a first fixing plate, is fixedly installed at the bottom end of the lower limit moving plate.

[0008] Preferably, the structural shape of the cross-section of the first longitudinal component moving cavity is the same as that of the cross-sections of the upper limit moving plate and the lower limit moving plate, and they are all polygonal structures. Moreover, the structural dimensions of the cross-section of the first longitudinal component moving cavity match those of the cross-sections of the upper limit moving plate and the lower limit moving plate.

[0009] Preferably, the two ends of the first spiral spring respectively abut against the opposite end faces of the upper limit moving plate and the lower limit moving plate, and the initial length of the first spiral spring is greater than the depth of the first longitudinal component moving cavity.

[0010] Preferably, the hydraulic pressure applying mechanism includes a second longitudinal hollow cylinder fixedly installed in the fixing port of the second component. A second longitudinal component moving cavity is provided inside the second longitudinal hollow cylinder. A second shaft perforation is provided at the top end of the second longitudinal hollow cylinder. A piston plate, which can move axially along the second longitudinal component moving cavity, is placed inside the second longitudinal hollow cylinder at the position of the second longitudinal component moving cavity. A first longitudinal limiting rod, which penetrates through the second shaft perforation, is fixedly installed at the upper end of the piston plate. A horizontal limiting plate is fixedly installed at the top end of the first longitudinal limiting rod. A second longitudinal limiting rod, which penetrates through the first shaft perforation, is fixedly installed at the bottom end of the horizontal limiting plate. The bottom end of the second longitudinal limiting rod is fixedly connected to the top of the upper limit moving plate. A liquid compensation channel with an open bottom end and a top end communicating with the top end of the second longitudinal component moving cavity is provided inside the second longitudinal hollow cylinder.

[0011] Preferably, a liquid valve capable of controlling the liquid flow is fixedly installed at the bottom opening end of the liquid compensation channel.

[0012] Preferably, it also includes a controllable rotating mechanism, which is internally provided with a manually rotatable hollow disk, an inner rotating column that can drive the No. 1 rotating shaft to rotate, and an arc-shaped contact plate that can enable the hollow disk and the inner rotating column to be linked by friction.

[0013] Preferably, the controllable rotating mechanism comprises a hollow disk body and an inner rotating column, a cylindrical component mounting cavity is arranged at the center of the hollow disk body, a No. 2 shaft mounting hole is arranged at the center of the bottom end of the hollow disk body, a No. 2 rotating shaft that can rotate is mounted in the No. 2 shaft mounting hole through a bearing, an inner rotating column is placed at the center of the cylindrical component mounting cavity, a No. 2 shaft fixing groove for mounting the No. 2 rotating shaft is arranged at the bottom center of the inner rotating column, the bottom end of the No. 2 rotating shaft is fixedly mounted inside the No. 1 shaft fixing groove, and the hollow disk body is arranged at the periphery of the cylindrical component mounting cavity. A plurality of circular array-type transverse component movable cavities are arranged, and the circumferential side surfaces of the transverse component movable cavities and the cylindrical component mounting cavity are connected through the No. 1 and No. 4 shaft body through-holes, and an inner movable plate capable of axially moving along the cylindrical component mounting cavity is arranged inside the cylindrical component mounting cavity, a No. 2 coil spring is arranged at one end of the inner movable plate, and a connecting shaft body penetrating the No. 1 and No. 4 shaft body through-holes is fixedly installed at the other end of the inner movable plate, and an arc-shaped resistance plate that abuts against the circumferential surface of the inner rotating cylinder is fixedly installed at one end of the connecting shaft body located inside the cylindrical component mounting cavity.

[0014] Preferably, one end of the No. 2 coil spring abuts against one end surface of the inner movable plate, and the other end abuts against one end surface of the movable cavity of the transverse component, and the No. 2 coil spring is in a compressed state.

[0015] Preferably, the structural radius of the inner concave surface of the arc-shaped contact plate matches the structural radius of the inner rotating column.

[0016] Compared with the prior art, the present invention provides a soil sample collection device for mine soil remediation, which has the following beneficial effects:

[0017] By using human body gravity as downward sampling pressure, the overall weight of the equipment can be reduced without affecting the sampling pressure, making it easier for people to carry and use. In addition, the device transmits the sampling pressure in a buffered form and can rotate on the spot when encountering stone resistance, which will not cause fatal effects on the equipment and has a longer service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A perspective view of the present invention;

[0019] Figure 2 is a three-dimensional cross-sectional view of the present invention;

[0020] Figure 3 This is a three-dimensional sectional view of the passive buffer telescopic mechanism in the present invention;

[0021] Figure 4 This is a three-dimensional sectional view of the hydraulic pressure applying mechanism in the present invention;

[0022] Figure 5 This is a three-dimensional sectional view of the controllable rotation mechanism in the first perspective in the present invention;

[0023] Figure 6 This is a three-dimensional sectional view of the controllable rotation mechanism in the second perspective in the present invention.

[0024] Wherein: 1, bottom foot pedal; 2, longitudinal limiting cylinder; 3, sampling cylinder; 4, longitudinal connecting rod; 5, top limiting plate; 6, first shaft body mounting hole; 7, passive buffer telescopic mechanism; 71, first longitudinal hollow cylinder; 72, first rotating shaft; 73, first shaft body fixing groove; 74, first longitudinal component moving cavity; 75, first shaft body perforation; 76, upper limiting moving plate; 77, lower limiting moving plate; 78, first spiral spring; 79, longitudinal moving rod; 710, first fixing plate; 711, third shaft body perforation; 8, hydraulic pressure applying mechanism; 81, second longitudinal hollow cylinder; 82, second longitudinal component moving cavity; 83, second shaft body perforation; 84, piston plate; 85, first longitudinal limiting rod; 86, horizontal limiting plate; 87, second longitudinal limiting rod; 88, liquid compensation channel; 9, controllable rotation mechanism; 91, hollow disk body; 93, cylindrical component mounting cavity; 94, second shaft body mounting hole; 95, transverse component moving cavity; 96, fourth shaft body perforation; 97, inner moving plate; 98, second spiral spring; 99, arc-shaped resisting plate; 910, inner rotating column; 911, second shaft body fixing groove; 912, second rotating shaft; 10, fixed collar body; 11, first component fixing port; 12, second component fixing port. Detailed implementation manners

[0025] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0026] Please refer to Figure 1 and Figure 2, A soil sample collection device for mine soil remediation, including a bottom foot pedal 1, a longitudinal limiting cylinder 2 arranged at the central part of the bottom foot pedal 1, a sampling cylinder 3 that can move longitudinally inside the longitudinal limiting cylinder 2 and has open ends at both ends, with a toothed structure arranged at the bottom end, two symmetric longitudinal connecting rods 4 fixedly installed on the upper surface of the bottom foot pedal 1, a top limiting plate 5 fixedly installed at the top of the longitudinal connecting rods 4, a first shaft body installation hole 6 arranged at the center of the top limiting plate 5, a fixed collar body 10, and a first component fixing port 11 and a second component fixing port 12 arranged in the fixed collar body 10. Step on the bottom foot pedal 1 to make the sampling cylinder 3 face the ground. The rotating sampling cylinder 3 will cause the toothed structure to rotate and cut the ground. Under the action of elastic pressure, the sampling cylinder 3 will move downward into the ground, allowing the soil to enter the sampling cylinder 3. After sampling, pull out the sampling cylinder 3 upward, then remove the sampling cylinder 3, and push the soil downward from the top open end of the sampling cylinder 3 to take out the sample soil.

[0027] To achieve rotational sampling and the output of elastic pressure, please refer to Figure 1 , Figure 2 and Figure 3 , it is necessary to set a driven buffer telescopic mechanism 7, which internally has a first longitudinal hollow cylinder 71 fixedly installed in the first component fixing port 11 and with a hollow interior, an upper limit moving plate 76 and a lower limit moving plate 77 arranged inside the first longitudinal hollow cylinder 71 and capable of rotating and longitudinally moving with the first longitudinal hollow cylinder 71, a first spiral spring 78 placed between the upper limit moving plate 76 and the lower limit moving plate 77 and capable of providing elastic pressure, and a longitudinal movable rod 79 that moves with the lower limit moving plate 77 and is connected to the sampling cylinder 3. The rotation of the first rotating shaft 72 will cause the first longitudinal hollow cylinder 71 to rotate, then drive the upper limit moving plate 76 and the lower limit moving plate 77 to rotate, and finally drive the sampling cylinder 3 to rotate, thus achieving rotational sampling. At the same time, the first spiral spring 78 will have a top limit on the first spiral spring 78. When the sampling cylinder 3 touches the ground, it will cause the sampling cylinder 3 to move upward, and finally cause the lower limit moving plate 77 to move upward, elastically compressing the first spiral spring 78. The first spiral spring 78 forms an elastic energy storage effect, thereby forming an elastic reaction force on the sampling cylinder 3 to achieve the output of elastic pressure.

[0028] Regarding the specific structure of the driven buffer telescopic mechanism 7, please refer to Figure 3, including a first longitudinal hollow cylinder 71 fixedly installed inside the fixing opening 11 of the first component. A first rotating shaft 72, which is integrally structured with the first longitudinal hollow cylinder 71 and penetrates through the first shaft mounting hole 6, is provided at the center of the top end of the first longitudinal hollow cylinder 71. The shaft body of the first rotating shaft 72 is installed in the first shaft mounting hole 6 through a bearing. A first shaft fixing groove 73 with an inward concave structure is provided at the top end of the first rotating shaft 72. A first longitudinal component moving cavity 74 is provided inside the first longitudinal hollow cylinder 71. A third shaft perforation 711 is provided at the bottom end of the first longitudinal component moving cavity 74. An upper limit moving plate 76 and a lower limit moving plate 77, which can move axially along the first longitudinal component moving cavity 74, are placed inside the first longitudinal hollow cylinder 71 at the position of the first longitudinal component moving cavity 74. A first shaft perforation 75, which communicates with the top end of the first longitudinal component moving cavity 74, is provided at the top of the first longitudinal hollow cylinder 71. A first helical spring 78 is placed between the upper limit moving plate 76 and the lower limit moving plate 77. A longitudinal moving rod 79, which penetrates through the third shaft perforation 711 and is fixedly installed with a first fixing plate 710, is fixedly installed at the bottom end of the lower limit moving plate 77. The structural shape of the cross-section of the first longitudinal component moving cavity 74 is the same as that of the cross-sections of the upper limit moving plate 76 and the lower limit moving plate 77, both being polygonal structures. And the structural size of the cross-section of the first longitudinal component moving cavity 74 matches the structural size of the cross-sections of the upper limit moving plate 76 and the lower limit moving plate 77. The two ends of the first helical spring 78 respectively abut against the opposite end faces of the upper limit moving plate 76 and the lower limit moving plate 77. And the initial length of the first helical spring 78 is greater than the depth of the first longitudinal component moving cavity 74.

[0029] In order to change the initial elastic pressure of the first helical spring 78 during operation, so as to be able to adjust the pressure of the sampling cylinder 3 on the ground according to the actual situation, please refer to Figure 1 , Figure 2 and Figure 4 , a hydraulic pressure applying mechanism 8 needs to be set. A second longitudinal hollow cylinder 81, which is fixedly installed in the fixing opening 12 of the second component and is hollow inside, a piston plate 84, which is placed inside the second longitudinal hollow cylinder 81 and moves downward when subjected to liquid pressure, and a second longitudinal limiting rod 87, which moves along with the piston plate 84 and can drive the upper limit moving plate 76 to move longitudinally, are provided inside it. By using a hydraulic injection device, liquid is filled into the upper space of the piston plate 84 through a liquid compensation channel 88. The hydraulic pressure will cause the piston plate 84, the second longitudinal limiting rod 87 and the upper limit moving plate 76 to move downward, thereby changing the distance between the upper limit moving plate 76 and the lower limit moving plate 77, and further changing the initial elastic pressure of the first helical spring 78. The staff can adjust the pressure of the sampling cylinder 3 on the ground according to the actual situation.

[0030] For the specific structure of the hydraulic pressure mechanism 8, please refer to Figure 4 , comprising a No. 2 longitudinal hollow cylinder 81 fixedly mounted in the No. 2 component fixing port 12, wherein the No. 2 longitudinal hollow cylinder 81 is provided with a No. 2 longitudinal component movable cavity 82, and the top of the No. 2 longitudinal hollow cylinder 81 is provided with a No. 2 shaft body through hole 83, wherein the No. 2 longitudinal hollow cylinder 81 is provided with a piston plate 84 capable of axial movement along the No. 2 longitudinal component movable cavity 82, and the upper end of the piston plate 84 is fixedly mounted with a No. 1 longitudinal limiting rod 85 penetrating the No. 2 shaft body through hole 83, and the No. 1 longitudinal limiting rod 85 penetrating the No. 2 shaft body through hole 83. A horizontal limit plate 86 is fixedly installed on the top end of the No. 1 longitudinal limit rod 85, and a No. 2 longitudinal limit rod 87 that passes through the No. 1 shaft through-hole 75 is fixedly installed on the bottom end of the horizontal limit plate 86. The bottom end of the No. 2 longitudinal limit rod 87 is fixedly connected to the top of the upper limit movable plate 76, and the interior of the No. 2 longitudinal hollow cylinder 81 is provided with a liquid compensation channel 88 with an open bottom end and a top end connected to the top of the No. 2 longitudinal component active cavity 82. A liquid valve that can control the flow of liquid is fixedly installed on the bottom open end of the liquid compensation channel 88.

[0031] In order to prevent the sampling tube 3 from getting stuck and causing excessive torque on the equipment, please refer to Figure 1 , Figure 2 , Figure 5 and Figure 6 , it is necessary to set up a controllable rotating mechanism 9, which is provided with a hollow disk body 91 that can be rotated manually, an inner rotating column 910 that can drive the No. 1 rotating shaft 72 to rotate, and an arc-shaped contact plate 99 that can make the hollow disk body 91 and the inner rotating column 910 linked by friction. The staff holds the cylindrical protrusion structure on the edge of the hollow disk body 91 and rotates it, which can drive the hollow disk body 91 and the No. 2 rotating shaft 912 to rotate, and then drive the No. 1 rotating shaft 72 to rotate. Once the sampling tube 3 is stuck, when the torque strength on the hollow disk body 91 is greater than the force formed by the maximum static friction force between the inner rotating column 910 and the arc-shaped contact plate 99, the inner rotating column 910 and the arc-shaped contact plate 99 cannot continue to be linked, and relative rotation occurs between the hollow disk body 91 and the arc-shaped contact plate 99, and the torque resistance will not continue to increase, thereby preventing the occurrence of excessive torque of the equipment due to the jamming of the sampling tube 3.

[0032] For the specific structure of the controllable rotating mechanism 9, please refer to Figure 5 and Figure 6, including a hollow disk body 91 and an inner rotating column 910, a cylindrical component mounting cavity 93 is arranged at the center of the hollow disk body 91, a No. 2 shaft mounting hole 94 is arranged at the center of the bottom end of the hollow disk body 91, a No. 2 rotating shaft 912 that can rotate is installed in the No. 2 shaft mounting hole 94 through a bearing, an inner rotating column 910 is placed at the center of the cylindrical component mounting cavity 93, a No. 2 shaft fixing groove 911 for installing the No. 2 rotating shaft 912 is arranged at the bottom center of the inner rotating column 910, the bottom end of the No. 2 rotating shaft 912 is fixedly installed inside the No. 1 shaft fixing groove 73, the hollow disk body 91 is provided with a plurality of circular array-type transverse component active cavities 95 on the periphery of the cylindrical component mounting cavity 93, and the transverse component active cavity 95 and the circumferential side of the cylindrical component mounting cavity 93 are connected by No. 1 and No. 4. The shaft through hole 96 is connected, and the hollow disk body 91 is provided with an inner movable plate 97 capable of axial movement along the cylindrical component mounting cavity 93 inside the cylindrical component mounting cavity 93, and a No. 2 coil spring 98 is placed at one end of the inner movable plate 97, and a connecting shaft passing through the No. 1 and No. 4 shaft through holes 96 is fixedly installed on the other end of the inner movable plate 97, and an arc-shaped contact plate 99 that abuts against the circumferential surface of the inner rotating column 910 is fixedly installed on one end of the connecting shaft located inside the cylindrical component mounting cavity 93, one end of the No. 2 coil spring 98 abuts against one end surface of the inner movable plate 97, and the other end abuts against one end surface of the transverse component movable cavity 95, and the No. 2 coil spring 98 is in a compressed state, and the structural radius of the inner concave surface of the arc-shaped contact plate 99 matches the structural radius of the inner rotating column 910.

[0033] When in use, the foot steps on the bottom pedal 1 so that the sampling tube 3 faces the ground. The rotating sampling tube 3 causes the tooth structure to rotate and cut the ground. Under the action of elastic pressure, the sampling tube 3 goes down below the ground, allowing the soil to enter the sampling tube 3. After sampling, the sampling tube 3 is pulled out upward, and then the sampling tube 3 is removed. The soil is pushed downward from the top open end of the sampling tube 3 to take out the sample soil.

[0034] 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 mine soil remediation, comprising a bottom pedal (1), a longitudinal limiting cylinder (2) arranged at the center of the bottom pedal (1), a sampling cylinder (3) which can move longitudinally inside the longitudinal limiting cylinder (2) and is in an open state at both ends, and has a tooth structure at the bottom end, two symmetrical longitudinal connecting rods (4) fixedly mounted on the upper surface of the bottom pedal (1), a top limiting plate (5) fixedly mounted on the top of the longitudinal connecting rod (4), a No. 1 shaft body mounting hole (6) arranged at the center of the top limiting plate (5), a fixing collar (10), and a No. 1 component fixing port (11) and a No. 2 component fixing port (12) arranged in the fixing collar (10), characterized in that: Also includes, The driven buffer telescopic mechanism (7) is provided with a first longitudinal hollow cylinder (71) fixedly installed in a first component fixing port (11) and having a hollow interior, an upper limit movable plate (76) and a lower limit movable plate (77) arranged inside the first longitudinal hollow cylinder (71) and capable of rotating with the first longitudinal hollow cylinder (71) and moving longitudinally, a first coil spring (78) placed between the upper limit movable plate (76) and the lower limit movable plate (77) and capable of providing elastic pressure, and a longitudinal movable rod (79) moving with the lower limit movable plate (77) and connected to the sampling cylinder (3); and a hydraulic pressure mechanism (8), which is provided with a second longitudinal hollow cylinder (81) fixedly installed in the second component fixing port (12) and having a hollow interior, a piston plate (84) placed inside the second longitudinal hollow cylinder (81) and having a downward movement effect when subjected to liquid pressure, and a second longitudinal limit rod (87) moving with the piston plate (84) and capable of driving the upper limit movable plate (76) to move longitudinally.

2. The soil sample collection device for mine soil remediation according to claim 1, characterized in that: The driven buffer telescopic mechanism (7) comprises a No. 1 longitudinal hollow cylinder (71) fixedly mounted inside a No. 1 component fixing opening (11); a No. 1 rotating shaft (72) which is integrally structured with the No. 1 longitudinal hollow cylinder (71) and passes through a No. 1 shaft body mounting hole (6) is arranged at the top center of the No. 1 longitudinal hollow cylinder (71); the shaft body of the No. 1 rotating shaft (72) is mounted in the No. 1 shaft body mounting hole (6) via a bearing; a No. 1 shaft body fixing groove (73) with an inner concave structure is arranged at the top of the No. 1 rotating shaft (72); a No. 1 longitudinal component movable cavity (74) is arranged inside the No. 1 longitudinal hollow cylinder (71); a No. 3 shaft body through hole (71) is arranged at the bottom end of the No. 1 longitudinal component movable cavity (74); 1), the No. 1 longitudinal hollow cylinder (71) is provided with an upper limit movable plate (76) and a lower limit movable plate (77) capable of axially moving along the No. 1 longitudinal component movable cavity (74) inside the No. 1 longitudinal component movable cavity (74), the top of the No. 1 longitudinal hollow cylinder (71) is provided with a No. 1 shaft body through hole (75) connected to the top of the No. 1 longitudinal component movable cavity (74), a No. 1 coil spring (78) is arranged between the upper limit movable plate (76) and the lower limit movable plate (77), and a longitudinal movable rod (79) penetrating the No. 3 shaft body through hole (711) and fixedly installed with the No. 1 fixed plate (710) is fixedly installed at the bottom end of the lower limit movable plate (77).

3. The soil sample collection device for mine soil remediation according to claim 2 is characterized in that: The structural shape of the cross section of the movable cavity (74) of the first longitudinal component is consistent with the structural shape of the cross section of the upper limit movable plate (76) and the lower limit movable plate (77), and both are polygonal structures. The structural dimensions of the cross section of the movable cavity (74) of the first longitudinal component match the structural dimensions of the cross section of the upper limit movable plate (76) and the lower limit movable plate (77).

4. The soil sample collection device for mine soil remediation according to claim 3 is characterized in that: The two ends of the first coil spring (78) respectively contact the opposite end surfaces of the upper limit movable plate (76) and the lower limit movable plate (77), and the initial length of the first coil spring (78) is greater than the depth of the first longitudinal component active cavity (74).

5. The soil sample collection device for mine soil remediation according to claim 4, characterized in that: The hydraulic pressure mechanism (8) comprises a No. 2 longitudinal hollow cylinder (81) fixedly mounted in a No. 2 component fixing port (12), a No. 2 longitudinal component movable chamber (82) being arranged inside the No. 2 longitudinal hollow cylinder (81), a No. 2 shaft body through hole (83) being arranged at the top end of the No. 2 longitudinal hollow cylinder (81), a piston plate (84) capable of axial movement along the No. 2 longitudinal component movable chamber (82) being arranged inside the No. 2 longitudinal component movable chamber (82) of the No. 2 longitudinal hollow cylinder (81), and a through hole (83) being fixedly mounted on the upper end of the piston plate (84). A No. 1 longitudinal limit rod (85) is provided through a No. 2 shaft body through hole (83), a horizontal limit plate (86) is fixedly installed on the top end of the No. 1 longitudinal limit rod (85), a No. 2 longitudinal limit rod (87) penetrating the No. 1 shaft body through hole (75) is fixedly installed on the bottom end of the horizontal limit plate (86), the bottom end of the No. 2 longitudinal limit rod (87) is fixedly connected to the top of the upper limit movable plate (76), and the interior of the No. 2 longitudinal hollow cylinder (81) is provided with a liquid compensation channel (88) with an open bottom end and a top end connected to the top of the No. 2 longitudinal component active cavity (82).

6. The soil sample collection device for mine soil remediation according to claim 5, characterized in that: A liquid valve capable of controlling the flow of liquid is fixedly installed at the bottom open end of the liquid compensation channel (88).

7. The soil sample collection device for mine soil remediation according to claim 6, characterized in that: The invention also comprises a controllable rotating mechanism (9), which is provided with a manually rotatable hollow disk (91), an inner rotating column (910) capable of driving a first rotating shaft (72) to rotate, and an arc-shaped contact plate (99) capable of enabling the hollow disk (91) and the inner rotating column (910) to move in conjunction with each other by means of friction.

8. The soil sample collection device for mine soil remediation according to claim 7, characterized in that: The controllable rotating mechanism (9) comprises a hollow disk (91) and an inner rotating column (910), wherein a columnar component mounting cavity (93) is arranged at the center of the hollow disk (91), a No. 2 shaft mounting hole (94) is arranged at the center of the bottom end of the hollow disk (91), a No. 2 rotating shaft (912) capable of rotation is mounted in the No. 2 shaft mounting hole (94) via a bearing, an inner rotating column (910) is arranged at the center of the columnar component mounting cavity (93), a No. 2 shaft fixing groove (911) for mounting the No. 2 rotating shaft (912) is arranged at the center of the bottom end of the inner rotating column (910), the bottom end of the No. 2 rotating shaft (912) is fixedly mounted inside the No. 1 shaft fixing groove (73), and the hollow disk (91) is located in the columnar component mounting cavity (93). 3) is provided with a plurality of circular array-type transverse component movable cavities (95) on the periphery thereof, the transverse component movable cavities (95) are connected to the circumferential side surfaces of the columnar component mounting cavity (93) through the No. 1 and No. 4 shaft body through-holes (96), the hollow disk body (91) is provided with an inner movable plate (97) capable of axial movement along the columnar component mounting cavity (93) inside the columnar component mounting cavity (93), a No. 2 coil spring (98) is provided at one end of the inner movable plate (97), a connecting shaft body penetrating the No. 1 and No. 4 shaft body through-holes (96) is fixedly installed at the other end of the inner movable plate (97), and an arc-shaped contact plate (99) that contacts the circumferential surface of the inner rotating column (910) is fixedly installed at one end of the connecting shaft body located inside the columnar component mounting cavity (93).

9. The soil sample collection device for mine soil remediation according to claim 8, characterized in that: One end of the No. 2 coil spring (98) abuts against one end surface of the inner movable plate (97), and the other end abuts against one end surface of the transverse component movable cavity (95), and the No. 2 coil spring (98) is in a compressed state.

10. The soil sample collection device for mine soil remediation according to claim 9, characterized in that: The structural radius of the inner concave surface of the arc-shaped contact plate (99) matches the structural radius of the inner rotating column (910).

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