Forest soil detection sampling device

Abstract

The invention discloses a forest soil detecting and sampling device, and relates to the technical field of detecting and sampling, the forest soil detecting and sampling device comprises a bottom plate, the lower side of the bottom plate is provided with a plurality of universal wheels, the upper side of the bottom plate is fixedly connected with a guide plate, a collecting box and a protective cover, and the outer side of the guide plate is slidably connected with a guide block; a sampling unit for sampling forest soil is arranged on the outer side of the guide block, a through hole is formed in the upper side of the bottom plate, the sampling unit comprises a movable frame, and the movable frame is fixedly connected to the outer side of the guide block. According to the forest soil detecting and sampling device, by arranging the moving frame, the hydraulic rod, the motor, the rotating pipe and the sampling barrel, forest soil can be conveniently sampled through the sampling barrel, and by arranging a scraper, a lifting pipe, a first bevel gear, a second bevel gear, a third gear piece, a toothed plate and a bottom cover, rotation of the scraper during descending is conveniently controlled; the scraping plate is used for cleaning the residual soil sample on the inner wall of the sampling barrel, so that sampling next time is facilitated.

Description

Technical Field

[0001] The invention relates to the technical field of detection and sampling, in particular to a forest soil detection and sampling device. Background Art

[0002] Forest soil is an important component of the forest ecosystem. Its formation, properties and functions are affected by factors such as climate, vegetation, topography, parent material and time. When detecting forest soil, it is necessary to sample the forest soil.

[0003] After searching, a Chinese patent with authorization announcement number CN114813206B discloses a forest resource carbon sink assessment and collection system based on multi-source spatial data, including a collection box, with fixed vertical rods fixedly connected at the four corners of the bottom of the collection box, and movable wheels installed at the bottom of the four fixed vertical rods. A soil extraction and collection mechanism is provided on one side of the collection box. The system can take samples from different positions and place them in storage cavities according to their classification.

[0004] In the above-mentioned prior art, when sampling, a rotating sampling head is inserted into the soil, and the soil in the forest is taken out through a sampling tube. In order to better take out the soil sample, water is sprayed on the soil surface to moisten the soil, but the viscosity of the soil sprayed with water increases. When discharging the sample, the highly viscous soil sample is easy to adhere to the inner wall of the sampling tube, and the rotating sampling tube is easy to generate high temperature. These high temperatures are easy to change the sensitive components in the soil sample (such as organic carbon, microbial activity), making the forest soil detection accuracy low. Summary of the invention

[0005] In view of the deficiencies of the prior art, the present invention provides a forest soil detection sampling device, which solves the problem that part of the sticky sample is easily adhered to the inner wall of the sampling tube after the sample is taken out after the sampling tube is finished.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: A forest soil detection sampling device comprises a base plate, a plurality of universal wheels are arranged on the lower side of the base plate, a guide plate, a collecting box and a protective cover are fixedly connected to the upper side of the base plate, a guide block is slidably connected to the outer side of the guide plate, a sampling unit for sampling forest soil is arranged on the outer side of the guide block, a through hole is opened on the upper side of the base plate, and the sampling unit comprises a movable frame, the movable frame is fixedly connected to the outer side of the guide block, a hydraulic rod is fixedly connected to the lower side of the movable frame, a lifting plate is fixedly connected to the lower end of the hydraulic rod, a rotating tube is rotatably connected to the lower side of the lifting plate, a sampling barrel is fixedly connected to the lower end of the rotating tube, a cleaning component for facilitating the removal of clean soil samples is arranged on the upper side of the lifting plate, and a cooling component for cooling the sampling barrel is arranged on the upper side of the sampling barrel.

[0007] Preferably, a gear component 1 is fixedly connected to the outer side of the rotating tube, a rotating shaft is rotatably connected to the lower side of the lifting plate, a gear component 2 meshingly connected to the gear component 1 is fixedly connected to the lower end of the rotating shaft, and a fixed cover and a motor driving the rotating shaft are fixedly connected to the upper side of the lifting plate.

[0008] Preferably, the cleaning assembly includes a scraper, which is arranged on the inner side of the sampling cylinder, the lower side of the scraper is fixedly connected to a bottom cover, the upper side of the scraper is fixedly connected to a lifting tube, the upper end of the lifting tube passes through the upper side of the lifting plate and is fixedly connected to a top plate, the outer side of the top plate is fixedly connected to a side block, an electric push rod 2 is fixedly connected between the side block and the lifting plate, the outer side of the lifting tube is fixedly connected to a bevel gear 1, the outer side of the top plate is fixedly connected to a connecting block, the outer side of the connecting block is rotatably connected to a control rod, one end of the control rod is fixedly connected to a bevel gear 2 meshing with the bevel gear 1, the other end of the control rod is fixedly connected to a gear part 3, and the upper side of the lifting plate is fixedly connected to a toothed plate meshing with the gear part 3.

[0009] Preferably, the inner side of the bottom cover is fixedly connected with a bottom rod, the outer side of the bottom rod is fixedly connected with a plurality of rotating blocks 1, the outer sides of the plurality of rotating blocks 1 are rotatably connected with a swing plate, the outer side of the swing plate is fixedly connected with an impact plate, the upper side of the swing plate is fixedly connected with a rotating block 2, the outer side of the rotating block 2 is rotatably connected with an inclined plate, the outer side of the upper end of the inclined plate is rotatably connected with a rotating block 3, the upper side of the rotating block 3 is fixedly connected with a lifting ring, the upper side of the lifting ring is fixedly connected with a lifting rod, the upper end of the lifting rod passes through the upper end of the scraper The lifting tube is provided with a movable groove 1 on the outer side of the lower end thereof, a movable block 1 is slidably connected to the inner side of the movable groove 1, the movable block 1 is fixedly connected to the control ring, a movable groove 2 is provided on the outer side of the upper end of the lifting tube, a movable block 2 is slidably connected to the inner side of the movable groove 2, a linkage rod is fixedly connected between the movable block 2 and the movable block 1, a control block is fixedly connected to the front side of the movable block 2, a resist rod is fixedly connected to the upper side of the control block, and a plurality of bottom blocks are fixedly connected to the lower side of the top plate.

[0010] Preferably, a spring is fixedly connected between the control ring and the scraper.

[0011] Preferably, the abutment rod abuts against the bottom block, an arc block is arranged on the upper side of the abutment rod, and the bottom block is arranged in an arc-shaped structure.

[0012] Preferably, a top block is fixedly connected to the upper side of the bottom plate, and an electric push rod is fixedly connected between the top block and the movable frame.

[0013] Preferably, the cooling assembly includes multiple cooling channels, and the multiple cooling channels are all opened on the inner side of the sampling cylinder. An annular tube is fixedly connected to the upper side of the sampling cylinder, a branch tube is fixedly connected between the annular tube and the cooling channel, and a liquid inlet pipe is fixedly connected to the outer side of the branch tube.

[0014] The present invention provides a forest soil detection and sampling device. Compared with the prior art, it has the following beneficial effects: (1) The forest soil detection sampling device is provided with a movable frame, a hydraulic rod, a motor, a rotating tube and a sampling tube, so that it is convenient to use the sampling tube to sample the forest soil, and is provided with a scraper, a lifting tube, a bevel gear 1, a bevel gear 2, a gear part 3, a tooth plate and a bottom cover, so that it is convenient to control the rotation of the scraper when it descends, so that the scraper can clean the soil sample remaining on the inner wall of the sampling tube, which is convenient for the next sampling.

[0015] (2) The forest soil detection sampling device is provided with a bottom cover, a swing plate, an impact plate, a lifting ring, a control ring, a linkage rod, a support rod and a bottom block, so that it is convenient to control multiple impact plates to repeatedly impact the scraper and the bottom cover to generate vibration, so that the residual samples on the sampling tube and the scraper are quickly cleaned.

[0016] (3) The forest soil detection sampling device is provided with a cooling channel, a branch pipe, a ring pipe and a liquid inlet pipe, so that it is convenient to add coolant into the cooling channel in the sampling tube, so as to facilitate cooling of the sampling tube and avoid high temperature generated in the sampling tube during sampling, which may affect the detection accuracy of the sample. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention; Figure 2 This is a schematic diagram of the three-dimensional structure of the present invention without the protective cover; Figure 3 It is a schematic diagram of the three-dimensional structure of the sampling unit in the present invention; Figure 4 It is a schematic diagram of the cross-sectional three-dimensional structure of the sampling tube in the present invention; Figure 5 It is a schematic diagram of a partial three-dimensional structure of the sampling unit in the present invention; Figure 6 for Figure 5 The enlarged view of point A in the middle; Figure 7 It is a schematic diagram of a partially cutaway three-dimensional structure of a sampling unit in the present invention; Figure 8 for Figure 7 Enlarged view of point B in the middle.

[0018] In the figure: 1, bottom plate; 2, universal wheel; 3, collection box; 4, guide plate; 5, protective cover; 6, through hole; 7, guide block; 8, sampling unit; 9, electric push rod 1; 10, top block; 81, moving frame; 82, hydraulic rod; 83, lifting plate; 84, rotating tube; 85, sampling tube; 86, cleaning component; 87, cooling component; 88, gear part 1; 89, gear part 2; 810, rotating shaft; 811, motor; 812, annular tube; 813, liquid inlet pipe; 814, branch pipe; 815, cooling channel; 816, scraper; 817, bottom cover; 818, lifting tube; 819, top plate; 820, side block; 821, Electric push rod two; 822, bottom block; 823, bevel gear one; 824, bevel gear two; 825, connecting block; 826, control rod; 827, gear piece three; 828, tooth plate; 829, bottom rod; 830, rotating block one; 831, swing plate; 832, impact plate; 833, rotating block two; 834, inclined plate; 835, rotating block three; 836, lifting ring; 837, lifting rod; 838, spring; 839, control ring; 840, moving slot one; 841, moving block one; 842, linkage rod; 843, moving slot two; 844, moving block two; 845, control block; 846, push rod; 847, fixed cover. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1 - Figure 8The present invention provides a technical solution: a forest soil detection sampling device, comprising a bottom plate 1, a plurality of universal wheels 2 are arranged on the lower side of the bottom plate 1, a guide plate 4, a collecting box 3 and a protective cover 5 are fixedly connected to the upper side of the bottom plate 1, a guide block 7 is slidably connected to the outer side of the guide plate 4, a sampling unit 8 for sampling forest soil is arranged on the outer side of the guide block 7, a through hole 6 is opened on the upper side of the bottom plate 1, the sampling unit 8 comprises a moving frame 81, the moving frame 81 is fixedly connected to the outer side of the guide block 7, and a hydraulic The lower end of the hydraulic rod 82 is fixedly connected with a lifting plate 83, the lower side of the lifting plate 83 is rotatably connected with a rotating tube 84, the lower end of the rotating tube 84 is fixedly connected with a sampling tube 85, the upper side of the lifting plate 83 is provided with a cleaning component 86 for facilitating the removal of clean soil samples, the upper side of the sampling tube 85 is provided with a cooling component 87 for cooling the sampling tube 85, the upper side of the bottom plate 1 is fixedly connected with a top block 10, the top block 10 and the mobile frame 81 are fixedly connected with an electric push rod 9, the outer side of the rotating tube 84 is fixedly connected with The lower side of the lifting plate 83 is rotatably connected with a rotating shaft 810, and the lower end of the rotating shaft 810 is fixedly connected with a gear part 2 89 meshing with the gear part 1 88. The upper side of the lifting plate 83 is fixedly connected with a fixed cover 847 and a motor 811 driving the rotating shaft 810. When sampling the forest soil, the pushing device is moved to the position where the sampling is required, and then the soil is sampled through the sampling unit 8, and the electric push rod 19 is controlled to drive the moving frame 81 to move, and the moving frame 81 drives the sampling tube 85 It moves to the collecting box 3 to facilitate the collection of soil samples. When sampling, the hydraulic rod 82 is controlled to drive the lifting plate 83 to descend, the lifting plate 83 drives the sampling tube 85 to descend, and the motor 811 is started. The motor 811 drives the gear part 2 89 on the rotating shaft 810 to rotate, the gear part 2 89 drives the gear part 1 88, the gear part 1 88 drives the rotating tube 84 to rotate, and the rotating tube 84 drives the sampling tube 85 to rotate, so that the sampling tube 85 rotates while descending, which is convenient for the sampling tube 85 to perform sampling operations on forest soil samples.

[0021] The cleaning assembly 86 includes a scraper 816, which is arranged on the inner side of the sampling tube 85. The bottom side of the scraper 816 is fixedly connected to a bottom cover 817, and the upper side of the scraper 816 is fixedly connected to a lifting tube 818. The upper end of the lifting tube 818 passes through the upper side of the lifting plate 83 and is fixedly connected to a top plate 819. The outer side of the top plate 819 is fixedly connected to a side block 820. An electric push rod 821 is fixedly connected between the side block 820 and the lifting plate 83. The outer side is fixedly connected with a bevel gear 823, the outer side of the top plate 819 is fixedly connected with a connecting block 825, the outer side of the connecting block 825 is rotatably connected with a control rod 826, one end of the control rod 826 is fixedly connected with a bevel gear 824 meshing with the bevel gear 823, the other end of the control rod 826 is fixedly connected with a gear piece 3 827, and the upper side of the lifting plate 83 is fixedly connected with a toothed plate 828 meshing with the gear piece 3 827. After the sampling is completed, when the soil sample needs to be taken out, the electric push rod 821 is controlled to drive the side block 820 to descend, the side block 820 drives the top plate 819 to descend, the top plate 819 drives the lifting tube 818 to descend, and the lifting tube 818 drives the scraper 816 to descend, so that the scraper 816 and the bottom cover 817 push the soil sample. At the same time, the top plate 819 drives the connecting block 825 to descend, and the connecting block 825 drives the gear piece 3 827 on the control rod 826 to descend. The meshing connection causes gear part three 827 to rotate, gear part three 827 drives the control rod 826 to rotate, the control rod 826 drives bevel gear two 824 to rotate, bevel gear two 824 drives bevel gear one 823 to rotate, bevel gear one 823 drives the lifting tube 818 to rotate, so that the lifting tube 818 drives the scraper 816 and the bottom cover 817 to rotate, so that the scraper 816 cleans the soil sample remaining on the inner wall of the sampling tube 85 to prevent the residual sample from affecting the sampling accuracy next time.

[0022] The inner side of the bottom cover 817 is fixedly connected with a bottom rod 829, the outer side of the bottom rod 829 is fixedly connected with a plurality of rotating blocks 830, the outer sides of the plurality of rotating blocks 830 are all rotatably connected with a swing plate 831, the outer side of the swing plate 831 is fixedly connected with a striking plate 832, the upper side of the swing plate 831 is fixedly connected with a rotating block 833, the outer side of the rotating block 833 is rotatably connected with an inclined plate 834, the outer side of the upper end of the inclined plate 834 is rotatably connected with a rotating block 3 835, the upper side of the rotating block 3 835 is fixedly connected with a lifting ring 836, the upper side of the lifting ring 836 is fixedly connected with a lifting rod 837, the upper end of the lifting rod 837 passes through the scraper 816 A control ring 839 is fixedly connected to the upper side, a moving groove 840 is provided on the outer side of the lower end of the lifting tube 818, a moving block 841 is slidably connected to the inner side of the moving groove 840, and the moving block 841 is fixedly connected to the control ring 839, a moving groove 843 is provided on the outer side of the upper end of the lifting tube 818, a moving block 844 is slidably connected to the inner side of the moving groove 843, a linkage rod 842 is fixedly connected between the moving block 844 and the moving block 841, a control block 845 is fixedly connected to the front side of the moving block 844, a push rod 846 is fixedly connected to the upper side of the control block 845, and a moving groove 843 is fixedly connected to the lower side of the top plate 819. A plurality of bottom blocks 822, a spring 838 is fixedly connected between the control ring 839 and the scraper 816, a push rod 846 pushes against the bottom block 822, an arc block is arranged on the upper side of the push rod 846, and the bottom block 822 is arranged in an arc structure. When the scraper 816 cleans the residual soil sample, the lifting tube 818 rotates, and the lifting tube 818 drives the push rod 846 on the control block 845 to rotate. Since the push rod 846 pushes against the bottom block 822, the push rod 846 moves up and down repeatedly, and the push rod 846 drives the control block 845 to move up and down repeatedly, and the control block 845 drives the moving block 2 844 to move up and down repeatedly, and the moving block 2 844 drives The linkage rod 842 moves up and down repeatedly, the linkage rod 842 drives the moving block 841 to move up and down repeatedly, the moving block 841 drives the control ring 839 to move up and down repeatedly, the control ring 839 drives the lifting rod 837 to move, the lifting rod 837 drives the lifting ring 836 to move up and down repeatedly, the lifting ring 836 drives the inclined plate 834 to rotate, the inclined plate 834 drives the swing plate 831 to swing, the swing plate 831 drives the impact plate 832 to swing, so that the impact plate 832 impacts the bottom cover 817 and the scraper 816, generating vibrations, and these vibrations clean up the soil samples remaining on the scraper 816, the bottom cover 817 and the sampling tube 85.

[0023] The cooling assembly 87 includes a plurality of cooling channels 815, and the plurality of cooling channels 815 are all opened on the inner side of the sampling tube 85. An annular tube 812 is fixedly connected to the upper side of the sampling tube 85, a branch tube 814 is fixedly connected between the annular tube 812 and the cooling channel 815, and an inlet pipe 813 is fixedly connected to the outer side of the branch tube 814. The coolant is introduced into the annular tube 812 through the inlet pipe 813, and the coolant is introduced into the cooling channel 815 through the branch pipe 814, so that the sampling tube 85 can be cooled when sampling to prevent high temperature from affecting the composition of the soil. After the sampling is completed, the coolant is connected to the pump body through the inlet pipe 813 to extract the coolant.

[0024] Working principle: When in use, first move the device to the sampling position required by the forest, then control the hydraulic rod 82 to drive the sampling tube 85 to descend, and start the motor 811 to drive the sampling tube 85 to rotate, so that the sampling tube 85 can sample the forest soil, and then control the sampling tube 85 to rise, and then control the electric push rod 19 to drive the sampling tube 85 to move to the top of the collection box 3, and then control the electric push rod 2 821 to drive the scraper 816 to descend, and control the connecting block 825 to descend at the same time, under the action of the control rod 826, the gear part 3 827, the tooth plate 828, the bevel gear 2 824, and the bevel gear 1 823, control the lifting tube 818 to rotate, control the scraper 816 and the bottom cover 817 to rotate, so that the scraper 816 discharges the soil sample and removes the residual in the sampling tube 85. The sample is discharged quickly, and the lifting tube 818 drives the push rod 846 to rotate. Under the action of the bottom block 822, the push rod 846 is controlled to move up and down repeatedly. Under the action of the control block 845, the moving block 844, the linkage rod 842, the moving block 841, the control ring 839, the lifting rod 837 and the lifting ring 836, the inclined plate 834 is controlled to rotate, and under the action of the swing plate 831, the impact plate 832 is controlled to swing, so that the impact plate 832 impacts the scraper 816 and the bottom cover 817 to generate vibration, which is convenient for cleaning the soil sample remaining in the sampling tube 85. When sampling, coolant is introduced into the multiple cooling channels 815 through the liquid inlet pipe 813, which is convenient for cooling the sampling tube 85 and avoiding the high temperature of the sampling tube 85 affecting the detection accuracy of the soil sample.

[0025] 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 forest soil detection and sampling device, comprising a base plate (1), characterized in that: A plurality of universal wheels (2) are arranged on the lower side of the bottom plate (1); a guide plate (4), a collection box (3) and a protective cover (5) are fixedly connected to the upper side of the bottom plate (1); a guide block (7) is slidably connected to the outer side of the guide plate (4); a sampling unit (8) for sampling forest soil is arranged on the outer side of the guide block (7); a through hole (6) is provided on the upper side of the bottom plate (1); the sampling unit (8) comprises a movable frame (81); the movable frame (81) is fixedly connected to the outer side of the guide block (7); A hydraulic rod (82) is fixedly connected to the lower side of the mobile frame (81), a lifting plate (83) is fixedly connected to the lower end of the hydraulic rod (82), a rotating tube (84) is rotatably connected to the lower side of the lifting plate (83), a sampling tube (85) is fixedly connected to the lower end of the rotating tube (84), a cleaning component (86) for facilitating the removal of clean soil samples is arranged on the upper side of the lifting plate (83), and a cooling component (87) for cooling the sampling tube (85) is arranged on the upper side of the sampling tube (85).

2. The forest soil detection and sampling device according to claim 1, characterized in that: The outer side of the rotating tube (84) is fixedly connected to a gear member 1 (88); the lower side of the lifting plate (83) is rotatably connected to a rotating shaft (810); the lower end of the rotating shaft (810) is fixedly connected to a gear member 2 (89) meshingly connected to the gear member 1 (88); and the upper side of the lifting plate (83) is fixedly connected to a fixed cover (847) and a motor (811) for driving the rotating shaft (810).

3. The forest soil detection and sampling device according to claim 1, characterized in that: The cleaning assembly (86) comprises a scraper (816), wherein the scraper (816) is arranged on the inner side of the sampling tube (85), the lower side of the scraper (816) is fixedly connected to a bottom cover (817), the upper side of the scraper (816) is fixedly connected to a lifting tube (818), the upper end of the lifting tube (818) passes through the upper side of the lifting plate (83) and is fixedly connected to a top plate (819), the outer side of the top plate (819) is fixedly connected to a side block (820), and a second electric push rod (821) is fixedly connected between the side block (820) and the lifting plate (83). The outer side of the lifting tube (818) is fixedly connected to a bevel gear 1 (823), the outer side of the top plate (819) is fixedly connected to a connecting block (825), the outer side of the connecting block (825) is rotatably connected to a control rod (826), one end of the control rod (826) is fixedly connected to a bevel gear 2 (824) meshingly connected to the bevel gear 1 (823), the other end of the control rod (826) is fixedly connected to a gear part 3 (827), and the upper side of the lifting plate (83) is fixedly connected to a toothed plate (828) meshingly connected to the gear part 3 (827).

4. The forest soil detection and sampling device according to claim 3 is characterized in that: The inner side of the bottom cover (817) is fixedly connected to a bottom rod (829), the outer side of the bottom rod (829) is fixedly connected to a plurality of rotating blocks (830), the outer sides of the plurality of rotating blocks (830) are all rotatably connected to a swing plate (831), the outer side of the swing plate (831) is fixedly connected to an impact plate (832), the upper side of the swing plate (831) is fixedly connected to a rotating block (833), the outer side of the rotating block (833) is rotatably connected to an inclined plate (834), the outer side of the upper end of the inclined plate (834) is rotatably connected to a rotating block (835), the upper side of the rotating block (835) is fixedly connected to a lifting ring (836), the upper side of the lifting ring (836) is fixedly connected to a lifting rod (837), the upper end of the lifting rod (837) passes through the upper side of the scraper (816) and A control ring (839) is fixedly connected thereto; a moving groove (840) is provided on the outer side of the lower end of the lifting tube (818); a moving block (841) is slidably connected to the inner side of the moving groove (840); the moving block (841) is fixedly connected to the control ring (839); a moving groove (843) is provided on the outer side of the upper end of the lifting tube (818); a moving block (844) is slidably connected to the inner side of the moving groove (843); a linkage rod (842) is fixedly connected between the moving block (844) and the moving block (841); a control block (845) is fixedly connected to the front side of the moving block (844); a support rod (846) is fixedly connected to the upper side of the control block (845); and a plurality of bottom blocks (822) are fixedly connected to the lower side of the top plate (819).

5. The forest soil detection and sampling device according to claim 4, characterized in that: A spring (838) is fixedly connected between the control ring (839) and the scraper (816).

6. The forest soil detection and sampling device according to claim 4, characterized in that: The abutment rod (846) abuts against the bottom block (822); an arc-shaped block is provided on the upper side of the abutment rod (846); and the bottom block (822) is provided with an arc-shaped structure.

7. The forest soil detection and sampling device according to claim 1, characterized in that: A top block (10) is fixedly connected to the upper side of the bottom plate (1), and an electric push rod (9) is fixedly connected between the top block (10) and the movable frame (81).

8. The forest soil detection and sampling device according to claim 1, characterized in that: The cooling assembly (87) comprises a plurality of cooling channels (815), wherein the plurality of cooling channels (815) are all opened on the inner side of the sampling tube (85), an annular tube (812) is fixedly connected to the upper side of the sampling tube (85), a branch tube (814) is fixedly connected between the annular tube (812) and the cooling channel (815), and a liquid inlet tube (813) is fixedly connected to the outer side of the branch tube (814).

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