Sampling detection device for desertification control soil

Abstract

The invention relates to the technical field of desertification control, in particular to a desertification control soil sampling detection device which comprises a machine base, machine frames, guide rods, a lifting plate and the like, the top of the machine base is connected with the two machine frames, the machine frames are connected with the guide rods, the guide rods are connected with the machine base, and the two guide rods are jointly connected with the lifting plate in a sliding mode. The rock core drill bit can be driven by the lead screw motor to move downwards, the rock core drill bit drills into soil, the soil enters the drill pipe, the soil is sampled, the drill pipe can be closed by elastic cloth, the through hole can be blocked by a blocking block, leakage of the soil in the drill pipe is avoided, and the soil multi-parameter sensor can be driven by the electric guide rail to move backwards. The probe of the soil multi-parameter sensor is inserted into the drill pipe to detect soil, detection can be carried out without pouring out the soil, detection is carried out automatically, operation is simpler, manpower and time can be saved, and soil of different depths can be detected conveniently.

Description

Technical Field

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

[0002] Desertification is a manifestation of land degradation, which will cause the soil to lose productivity, reduce vegetation cover, and deteriorate the ecological environment. Therefore, desertification control is of vital importance to restore the damaged land and improve the ecological environment. During the control process, the soil in desertified areas will be sampled and tested to fully understand the basic physical, chemical and biological properties of the soil in order to formulate scientific and reasonable control plans.

[0003] When sampling and testing the soil, a soil sampler is generally used to sample the soil. After the sampling is completed, the collected soil is poured out, and then the soil multi-parameter sensor is used to test the soil. To understand the desertified areas, a large area of ​​soil needs to be tested. Each time it is done manually, the operation is cumbersome, and it takes a lot of manpower and time. In addition, the control of desertified areas requires testing of soil at different depths. After the soil is poured out, it is difficult to judge the depth of the soil, making it difficult to test the soil at different depths. Secondly, the climate in desertified areas is dry, with little precipitation and high evaporation, which makes the soil relatively loose, which makes it easy for the soil to leak from the soil sampler, making it difficult to smoothly conduct soil sampling. Summary of the invention

[0004] In order to overcome the shortcomings that manual operation is performed every time, the operation is cumbersome, and a large amount of manpower and time are consumed. After the soil is poured out, it is difficult to judge the depth of the soil, thereby making it difficult to detect soil at different depths. In addition, the soil is easy to leak from the soil sampler, resulting in difficulty in soil sampling. The present invention provides a soil sampling and detection device for desertification control.

[0005] A soil sampling and detection device for desertification control comprises a base, a frame, a guide rod, a lifting plate, a screw motor, a drill pipe, a core drill bit, a mounting frame, a servo motor, an electric guide rail, a soil multi-parameter sensor, an opening and closing mechanism and a blocking mechanism. Two frames are connected to the top of the base, and the frames are connected with guide rods, which are connected to the base. The two guide rods are slidably connected with the lifting plate. A screw motor is installed on the base. The screw rod of the screw motor and the lifting plate are connected by threads. A drill pipe is rotatably connected to the lifting plate. The drill pipe slides through the base. The lower end of the drill pipe is connected with a core drill bit. It can drill into the soil, and the soil will enter the drill pipe to sample the soil. The lifting plate is connected to a mounting frame, and a servo motor is installed on the mounting frame. The output shaft of the servo motor is connected to the upper end of the drill pipe. Five groups of through holes are opened on the drill pipe, and each group has five through holes. An electric guide rail is installed on the machine base, and a soil multi-parameter sensor is installed on the top of the slider of the electric guide rail. The probe of the soil multi-parameter sensor can pass through the through hole and extend into the drill pipe to detect the soil in the drill pipe. An opening and closing mechanism for controlling the opening and closing of the drill pipe is provided on the lifting plate, and a sealing mechanism for sealing the through hole is provided on the drill pipe.

[0006] Further description, the opening and closing mechanism includes an elastic cloth, a slide plate, a guide rod, a limit block, a sliding ring, a first spring, a rotating ring, a sliding rod, a pull rope, a rotating shaft, a first gear, a second gear, a first rack, a connecting frame, a baffle, a square block, a second rack and a contact plate. A receiving groove is provided on the drill pipe, and an elastic cloth for closing the drill pipe is connected to the receiving groove. A slide plate is slidably connected in the drill pipe, and the elastic cloth is connected to the slide plate. A guide rod is connected to the top of the lifting plate, a limit block is connected to the guide rod, a sliding ring is slidably connected to the guide rod, a first spring is connected between the sliding ring and the lifting plate, and a rotating ring is rotatably connected to the bottom of the sliding ring Two sliding rods are connected to the bottom of the rotating ring, the sliding rod and the drill pipe are slidably connected, a pull rope is connected between the sliding rod and the slide plate, the pull rope slides through the drill pipe, a rotating shaft is rotatably connected to the limit block, the rotating shaft is connected to the first gear, the rotating shaft is connected to the second gear through a one-way clutch, the sliding ring is connected to the first rack, the first rack is meshed with the first gear, two connecting frames are connected between the two frames, the two connecting frames are commonly connected with a baffle, a square block is connected to the rotating shaft, the baffle is connected to the second rack, the second rack is meshed with the second gear, a contact plate is connected between the two frames, and the bottom of the contact plate contacts with the top of the sliding ring.

[0007] It is further explained that the blocking mechanism includes a blocking block and a second spring, five blocking blocks for sealing the through holes are slidably connected to the drill pipe, and a second spring is connected between the blocking block and the drill pipe.

[0008] Further description, it also includes guide sleeves, plug rods, support blocks, connecting plates and elastic ropes. Two guide sleeves are connected to the frame, and plug rods are slidably connected in the guide sleeves. The plug rods are connected to the support blocks. The two plug rods on the same frame are connected to a connecting plate. The bottom of the connecting plate is in contact with the top of the lifting plate, and an elastic rope is connected between the connecting plate and the lifting plate.

[0009] Further description, it also includes a mounting rod, a first arc-shaped tube, a first high-pressure nozzle and a water pipe. Two mounting rods are connected inside the machine base, and the two mounting rods are commonly connected to the first arc-shaped tube. The bottom of the first arc-shaped tube is connected to the first high-pressure nozzle, and the first arc-shaped tube is connected to the water pipe, which passes through the machine base.

[0010] Further description, it also includes a mounting block, a second arc tube, a second high-pressure nozzle, an air pipe and an air pump. Two mounting blocks are connected in the machine base, and the two mounting blocks are commonly connected to the second arc tube. The bottom of the second arc tube is connected to the second high-pressure nozzle, and the second arc tube is connected to the air pipe. An air pump is installed in the machine base, and the air outlet of the air pump is connected to the air pipe.

[0011] Further description, there is also a grip rod, the two racks are connected to the grip rod, and the display of the soil multi-parameter sensor is connected to the grip rod.

[0012] Further description, it also includes moving wheels, and the moving wheels are symmetrically installed on the left and right sides of the bottom of the base.

[0013] The beneficial effects of the present invention are as follows: 1. The present invention can drive the core drill bit to move downward through the screw motor, and the core drill bit drills into the soil, and the soil will enter the drill pipe to sample the soil. The elastic cloth can close the drill pipe, and the blocking block can block the through hole to prevent the soil in the drill pipe from leaking. The electric guide rail can drive the soil multi-parameter sensor to move backward, and the probe of the soil multi-parameter sensor is inserted into the drill pipe to detect the soil. The soil does not need to be poured out for detection, and the detection is automatic, the operation is simpler, manpower and time can be saved, and it is convenient to detect soil at different depths.

[0014] 2. The connecting plate can be pulled downward by the elastic rope, and the connecting plate drives the insertion rod and the support block to move downward. The insertion rod will be inserted into the soil, and the support block is supported on the ground, thereby improving the stability of the machine base and the frame, ensuring that the core drill bit can be drilled into the soil smoothly.

[0015] 3. Water can be sprayed into the hole through the first high-pressure nozzle to flush out the soil in the through hole, thereby preventing the probe of the soil multi-parameter sensor from contacting the soil in the through hole, thereby avoiding errors in the detection results.

[0016] 4. The air pump can be used to eject air from the second high-pressure nozzle to blow out the residual water in the through hole and dry the moisture in the through hole to prevent the moisture from affecting the accuracy of the soil detection results. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional structural schematic diagram of the present invention is shown.

[0018] Figure 2 A three-dimensional structural schematic diagram of the screw motor, drill pipe, mounting bracket and servo motor of the present invention is shown.

[0019] Figure 3 A three-dimensional structural schematic diagram of the drill pipe, core drill bit and through hole of the present invention is shown.

[0020] Figure 4 A three-dimensional structural schematic diagram of the electric guide rail and the soil multi-parameter sensor of the present invention is shown.

[0021] Figure 5 A three-dimensional structural schematic diagram of the opening and closing mechanism of the present invention is shown.

[0022] Figure 6 A partial three-dimensional structural schematic diagram of the opening and closing mechanism of the present invention is shown.

[0023] Figure 7 A schematic diagram of the three-dimensional structure of the second gear, baffle, square block and second rack of the present invention is shown.

[0024] Figure 8 A three-dimensional structural schematic diagram of the sliding ring, rotating ring and sliding rod of the present invention is shown.

[0025] Fig. 9 A cross-sectional view of a drill pipe according to the present invention is shown.

[0026] Fig.10 A three-dimensional structural schematic diagram of the through hole and the blocking block of the present invention is shown.

[0027] Fig.11 The three-dimensional structural schematic diagram of the guide sleeve, the insertion rod, the support block, the connecting plate and the elastic rope of the present invention is shown.

[0028] Fig.12 A cross-sectional view of a machine base according to the present invention is shown.

[0029] Fig.13 A three-dimensional structural schematic diagram of the mounting rod, the first arc tube, the first high-pressure nozzle and the water pipe of the present invention is shown.

[0030] Fig.14 The three-dimensional structural schematic diagram of the mounting block, the second arc tube, the second high-pressure nozzle, the air pipe and the air pump of the present invention is shown.

[0031] Markings in the attached drawings: 1: base, 2: frame, 3: guide rod, 4: lifting plate, 5: screw motor, 6: drill pipe, 7: core drill bit, 8: mounting frame, 9: servo motor, 10: through hole, 101: electric guide rail, 11: soil multi-parameter sensor, 12: elastic cloth, 13: slide plate, 14: guide rod, 141: limit block, 15: sliding ring, 16: first spring, 161: rotating ring, 17: sliding rod, 18: pull rope, 19: rotating shaft, 20: first gear, 21: second gear, 2 2: first rack, 23: connecting frame, 24: baffle, 25: square block, 26: second rack, 261: contact plate, 27: blocking block, 28: second spring, 29: guide sleeve, 30: plug rod, 31: support block, 32: connecting plate, 33: elastic rope, 34: mounting rod, 35: first arc tube, 36: first high-pressure nozzle, 37: water pipe, 38: mounting block, 39: second arc tube, 40: second high-pressure nozzle, 41: air pipe, 42: air pump, 43: grip rod, 44: moving wheel. DETAILED DESCRIPTION

[0032] The present invention will be further described below in conjunction with specific embodiments. The illustrative embodiments and descriptions of the present invention are used to explain the present invention but are not intended to limit the present invention.

[0033] like Figure 1-Figure 10 As shown, a soil sampling and detection device for desertification control includes a base 1, a frame 2, a guide rod 3, a lifting plate 4, a screw motor 5, a drill pipe 6, a core drill bit 7, a mounting frame 8, a servo motor 9, an electric guide rail 101, a soil multi-parameter sensor 11, an opening and closing mechanism and a blocking mechanism. The left and right sides of the top of the base 1 are connected to the frame 2 by bolts, the middle of the upper part of the frame 2 is connected to the guide rod 3, the lower end of the guide rod 3 is connected to the top of the base 1, the two guide rods 3 are slidably connected to the lifting plate 4, the base 1 is installed with a screw motor 5 by bolts, the screw of the screw motor 5 and the lifting plate 4 are threadedly connected, and the middle of the lifting plate 4 is rotatably connected to the drill pipe 6. The drill pipe 6 slides through the middle of the machine base 1, and a core drill bit 7 is connected to the lower end of the drill pipe 6. A mounting frame 8 is connected to the middle of the top of the lifting plate 4 by bolts. A servo motor 9 is installed on the mounting frame 8 by bolts. The output shaft of the servo motor 9 and the upper end of the drill pipe 6 are connected by a coupling. Five groups of through holes 10 are evenly spaced on the front side of the drill pipe 6, and each group has five through holes 10. An electric guide rail 101 is installed on the front side of the top of the machine base 1 by bolts, and a soil multi-parameter sensor 11 is installed on the top of the slider of the electric guide rail 101. An opening and closing mechanism for controlling the opening and closing of the drill pipe 6 is provided on the lifting plate 4, and a sealing mechanism for sealing the through hole 10 is provided on the drill pipe 6.

[0034] like Figure 5-Figure 9As shown, the opening and closing mechanism includes an elastic cloth 12, a slide plate 13, a guide rod 14, a limit block 141, a sliding ring 15, a first spring 16, a rotating ring 161, a sliding rod 17, a pull rope 18, a rotating shaft 19, a first gear 20, a second gear 21, a first rack 22, a connecting frame 23, a baffle 24, a square block 25, a second rack 26 and a contact plate 261. A receiving groove is provided at the rear side of the lower part of the drill pipe 6, and the elastic cloth 12 is connected to the receiving groove. The lower part of the drill pipe 6 is slidably connected to the inner bottom of the drill pipe 6. There is a slide plate 13, the elastic cloth 12 is connected to the slide plate 13, a guide rod 14 is connected to the middle of the front side of the top of the lifting plate 4, the upper end of the guide rod 14 is connected to a limit block 141, a sliding ring 15 is slidably connected to the guide rod 14, the left and right sides of the bottom of the sliding ring 15 are connected to the top of the lifting plate 4 with a first spring 16, the bottom of the sliding ring 15 is rotatably connected to a rotating ring 161, the bottom of the rotating ring 161 is connected to two sliding rods 17, the sliding rod 17 is slidably connected to the drill pipe 6, and the drill pipe 6 rotates When the slider 17 and the rotating ring 161 are rotated, the rotating ring 161 will rotate at the bottom of the sliding ring 15, and will not hinder the rotation of the drill pipe 6. A pull rope 18 is connected between the lower end of the slider 17 and the slide plate 13, and the pull rope 18 slides through the drill pipe 6. The front of the limit block 141 is rotatably connected to the rotating shaft 19, and the middle of the rotating shaft 19 is connected to the first gear 20. The middle of the rotating shaft 19 is connected to the second gear 21 through a one-way clutch. The front side of the sliding ring 15 is connected to the first gear 20 through a bolt. The first rack 22 is meshed with the first gear 20, and the upper and lower sides of the two frames 2 are connected with connecting frames 23 by bolts. The rear sides of the two connecting frames 23 are commonly connected with a baffle 24, and the left end of the rotating shaft 19 is connected with a square block 25. The upper front part of the baffle 24 is connected with a second rack 26 by bolts, and the second rack 26 is meshed with the second gear 21. The upper part of the two frames 2 is connected with a contact plate 261 by bolts, and the bottom of the contact plate 261 is in contact with the top of the sliding ring 15.

[0035] like Fig. 9 and Fig.10 As shown, the blocking mechanism includes a blocking block 27 and a second spring 28. Five blocking blocks 27 are evenly spaced and slidably connected to the front side of the drill pipe 6. The front side of the blocking block 27 is an inclined surface. After the probe of the soil multi-parameter sensor 11 enters the through hole 10, the probe of the soil multi-parameter sensor 11 will contact the inclined surface of the blocking block 27. Two second springs 28 are connected between the top of the blocking block 27 and the drill pipe 6.

[0036] like Figure 2 As shown, a grip rod 43 is also included. The middle parts of the front sides of the two frames 2 are connected together with the grip rod 43 by bolts, and the display of the soil multi-parameter sensor 11 is connected to the bottom of the grip rod 43.

[0037] like Figure 1 As shown, it also includes moving wheels 44, and the moving wheels 44 are symmetrically installed on the left and right sides of the bottom of the base 1.

[0038] Initially, the elastic cloth 12 closes the drill pipe 6, and the elastic cloth 12 is in a tensioned state; the staff holds the grip 43 to push the frame 2 to move the frame 2 to the specified position, and the moving wheel 44 rolls on the ground, which is convenient for the staff to move the frame 2 to the specified position, and then controls the screw motor 5 to drive the lifting plate 4 to move downward, and the lifting plate 4 drives the drill pipe 6 and the core drill bit 7 to move downward. The lifting plate 4 can also drive the first gear 20, the second gear 21 and the first rack 22 to move downward, the second gear 21 rolls on the second rack 26, the second gear 21 rotates, the second gear 21 drives the rotating shaft 19 to rotate, the rotating shaft 19 drives the first gear 20 to rotate, the first gear 20 drives the first rack 22 to move downward, and the first rack 22 drives the sliding ring 15 moves downward, the first spring 16 is compressed, the sliding ring 15 drives the rotating ring 161 and the sliding rod 17 to move downward, the pull rope 18 is relaxed, and the elastic cloth 12 returns to its original state. The elastic cloth 12 will be completely retracted into the receiving groove, and the drill pipe 6 will be opened. The first gear 20 continues to move downward. When the first gear 20 and the second rack 26 are disengaged, the square block 25 will contact the baffle 24, and the baffle 24 will block the square block 25, so that the square block 25 cannot rotate, thereby making the rotating shaft 19, the first gear 20 and the second gear 21 unable to rotate. The inability of the first gear 20 to rotate will make the first rack 22 unable to move, so the drill pipe 6 will remain in the open state, and then the output shaft of the servo motor 9 drives the drill pipe 6 to rotate, and the drill pipe 6 drives the core drill bit 7 to rotate. When the core drill bit 7 drills into the soil, the soil will enter the drill pipe 6 to sample the soil. After the sampling is completed, the lifting plate 4 continues to move downward, and the square block 25 also continues to move downward. After the square block 25 and the baffle 24 are out of contact, the baffle 24 no longer blocks the square block 25. Under the action of the first spring 16, the sliding ring 15 moves upward, and the limit block 141 can limit the sliding ring 15 to prevent the sliding ring 15 from moving upward too much. The upward movement of the sliding ring 15 can drive the rotating ring 161 and the sliding rod 17 to move upward. The sliding rod 17 pulls the slide plate 13 forward through the pull rope 18, and the slide plate 13 pulls the elastic cloth 12 to tighten the elastic cloth 12 so that the elastic cloth 12 closes the drill pipe 6 to prevent the soil in the drill pipe 6 from leaking. The blocking block 27 will The through hole 10 is blocked to prevent the soil in the drill pipe 6 from leaking from the through hole 10, and then the screw motor 5 is controlled to drive the lifting plate 4 to move upward, and the lifting plate 4 drives the drill pipe 6 and the core drill bit 7 to move upward. When the probe of the soil multi-parameter sensor 11 corresponds to the uppermost through hole 10, the screw motor 5 is turned off, and then the electric guide rail 101 is controlled to drive the soil multi-parameter sensor 11 to move backward. The probe of the soil multi-parameter sensor 11 will extend into the through hole 10, and then the probe of the soil multi-parameter sensor 11 will contact the inclined surface of the blocking block 27, and the probe of the soil multi-parameter sensor 11 will push the blocking block 27 to move upward. The second spring 28 is compressed, and the probe of the soil multi-parameter sensor 11 will enter the drill pipe 6 and insert into the soil to detect the soil.The staff can learn the characteristics of the soil at this depth through the display of the soil multi-parameter sensor 11. After the soil at this depth is detected, the electric guide rail 101 is controlled to drive the soil multi-parameter sensor 11 to move forward, and the probe of the soil multi-parameter sensor 11 is moved out of the through hole 10. The probe of the soil multi-parameter sensor 11 and the blocking block 27 are out of contact. Under the action of the second spring 28, the blocking block 27 moves downward and blocks the through hole 10 again. Repeat this operation to detect soil at other depths. There is no need to pour out the soil for detection, and the detection is automatic, which is simpler to operate, can save manpower and time, and is convenient for detecting soils of different depths. The soil at each depth is detected. After that, the lifting plate 4 continues to move upward, and the lifting plate 4 drives the sliding ring 15, the first gear 20, the second gear 21 and the first rack 22 to move upward. When the second gear 21 moves upward and meshes with the second rack 26, the second gear 21 rolls on the second rack 26, and the second gear 21 rotates in the opposite direction. Under the action of the one-way clutch, the second gear 21 will not drive the rotating shaft 19 to rotate. When the sliding ring 15 moves upward and contacts the contact plate 261, the contact plate 261 blocks the sliding ring 15, and the sliding ring 15 and the sliding rod 17 stop moving upward. The first spring 16 is compressed, the pull rope 18 is relaxed, and the elastic cloth 12 returns to its original state. The elastic cloth 12 will be completely retracted into the receiving groove, the drill pipe 6 will be opened, and the soil in the drill pipe 6 will be discharged.

[0039] like Fig.11 As shown, it also includes a guide sleeve 29, an insertion rod 30, a support block 31, a connecting plate 32 and an elastic rope 33. The two sides of the two frames 2 that are away from each other are connected with two guide sleeves 29 by bolts. The two guide sleeves 29 on the same frame 2 are symmetrically arranged front and back. The guide sleeves 29 are slidably connected with the insertion rods 30. The lower parts of the insertion rods 30 are connected to the support blocks 31. The upper ends of the two insertion rods 30 on the same frame 2 are commonly connected to the connecting plate 32. The bottom of the connecting plate 32 is in contact with the top of the lifting plate 4. An elastic rope 33 is connected between the connecting plate 32 and the lifting plate 4.

[0040] When the lifting plate 4 moves downward, the elastic rope 33 is gradually straightened. After the elastic rope 33 is completely straightened, the elastic rope 33 will pull the connecting plate 32 downward, and the connecting plate 32 will drive the insertion rod 30 and the support block 31 to move downward, and the insertion rod 30 will be inserted into the soil, and the support block 31 will be supported on the ground, thereby improving the stability of the machine base 1 and the frame 2 to ensure that the core drill bit 7 can drill into the soil smoothly. When the lifting plate 4 moves upward, the elastic rope 33 gradually returns to its original state. After the elastic rope 33 is completely restored to its original state, the elastic rope 33 no longer pulls the connecting plate 32. When the lifting plate 4 moves upward and contacts the connecting plate 32, the lifting plate 4 continues to move upward, and the lifting plate 4 will push the connecting plate 32 to move upward, and the connecting plate 32 will drive the insertion rod 30 and the support block 31 to move upward, pull the insertion rod 30 out of the soil, and make the support block 31 out of contact with the ground, so that the machine base 1 and the frame 2 can move.

[0041] like Fig.12 and Fig.13 As shown, it also includes a mounting rod 34, a first arc tube 35, a first high-pressure nozzle 36 and a water pipe 37. The mounting rods 34 are connected to the left and right sides of the top of the machine base 1. The lower ends of the two mounting rods 34 are commonly connected to the first arc tube 35. The first high-pressure nozzles 36 are evenly spaced and connected to the bottom of the first arc tube 35. The first high-pressure nozzle 36 is aligned with the core drill bit 7 so that the first high-pressure nozzle 36 can accurately spray water into the through hole 10. The water pipe 37 is connected to the right side of the first arc tube 35, and the water pipe 37 passes through the right side of the machine base 1.

[0042] like Fig.12 and Fig.14 As shown, it also includes a mounting block 38, a second arc tube 39, a second high-pressure nozzle 40, an air pipe 41 and an air pump 42. Two mounting blocks 38 are connected to the front side of the top of the base 1. The two mounting blocks 38 are symmetrically arranged. The bottoms of the two mounting blocks 38 are commonly connected to the second arc tube 39. The bottoms of the second arc tube 39 are evenly spaced and connected to the second high-pressure nozzles 40. The second high-pressure nozzles 40 are aligned with the core drill bit 7 so that the second high-pressure nozzles 40 can accurately spray air into the through hole 10. The middle front side of the second arc tube 39 is connected to the air pipe 41. The air pump 42 is installed on the front side of the base 1 by bolts, and the air outlet end of the air pump 42 is connected to the front end of the air pipe 41.

[0043] When the drill pipe 6 moves upward, the soil outside the drill pipe 6 may enter the through hole 10. The depth of these soils is different from that of the soil inside the drill pipe 6. The probe of the soil multi-parameter sensor 11 contacts the soil in the through hole 10, which may cause errors in the detection results. The staff can connect the water pipe 37 to an external water source, and the water flows into the first arc tube 35 through the water pipe 37. Then the water is sprayed through the first high-pressure nozzle 36 and sprayed into the through hole 10 to flush out the soil in the through hole 10, thereby avoiding the contact between the probe of the soil multi-parameter sensor 11 and the soil in the through hole 10, thereby avoiding errors in the detection results. At the same time, the air pump 42 can be started, and the air enters the second arc tube 39 through the air pipe 41. Then the air is sprayed through the second high-pressure nozzle 40 to blow out the residual water in the through hole 10 and dry the moisture in the through hole 10 to avoid moisture affecting the accuracy of the soil detection results.

[0044] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A soil sampling and detection device for desertification control, characterized in that: The invention comprises a machine base (1), a machine frame (2), a guide rod (3), a lifting plate (4), a screw motor (5), a drill pipe (6), a core drill bit (7), a mounting frame (8), a servo motor (9), an electric guide rail (101), a soil multi-parameter sensor (11), an opening and closing mechanism and a blocking mechanism. The top of the machine base (1) is connected to two machine frames (2), the machine frames (2) are both connected to guide rods (3), the guide rods (3) are connected to the machine base (1), the two guide rods (3) are slidably connected to the lifting plate (4), the machine base (1) is installed with a screw motor (5), the screw of the screw motor (5) and the lifting plate (4) are connected by threads, the lifting plate (4) is rotatably connected to a drill pipe (6), the drill pipe (6) slides through the machine base (1), the lower end of the drill pipe (6) is connected to the core drill bit (7), the core drill bit (7) ) can drill into the soil, and the soil will enter the drill pipe (6) to sample the soil. The lifting plate (4) is connected to a mounting frame (8), and a servo motor (9) is installed on the mounting frame (8). The output shaft of the servo motor (9) is connected to the upper end of the drill pipe (6). Five groups of through holes (10) are opened on the drill pipe (6), and each group has five through holes (10). An electric guide rail (101) is installed on the machine base (1). A soil multi-parameter sensor (11) is installed on the top of the slider of the electric guide rail (101). The probe of the soil multi-parameter sensor (11) can pass through the through hole (10) and extend into the drill pipe (6) to detect the soil in the drill pipe (6). The lifting plate (4) is provided with an opening and closing mechanism for controlling the opening and closing of the drill pipe (6), and the drill pipe (6) is provided with a blocking mechanism for sealing the through hole (10).

2. A soil sampling and detection device for desertification control according to claim 1, characterized in that: The opening and closing mechanism comprises an elastic cloth (12), a slide plate (13), a guide rod (14), a limit block (141), a sliding ring (15), a first spring (16), a rotating ring (161), a sliding rod (17), a pull rope (18), a rotating shaft (19), a first gear (20), a second gear (21), a first rack (22), a connecting frame (23), a baffle (24), a square block (25), a second rack (26) and a contact plate (261). A receiving groove is provided on the drill pipe (6). An elastic cloth (12) for closing the drill pipe (6) is connected in the receiving groove, a slide plate (13) is slidably connected in the drill pipe (6), the elastic cloth (12) and the slide plate (13) are connected, a guide rod (14) is connected to the top of the lifting plate (4), a limit block (141) is connected to the guide rod (14), a sliding ring (15) is slidably connected to the guide rod (14), a first spring (16) is connected between the sliding ring (15) and the lifting plate (4), and a rotating ring (16) is rotatably connected to the bottom of the sliding ring (15). 61), two slide bars (17) are connected to the bottom of the rotating ring (161), the slide bars (17) and the drill pipe (6) are slidably connected, a pull rope (18) is connected between the slide bars (17) and the slide plate (13), the pull rope (18) slides through the drill pipe (6), a rotating shaft (19) is rotatably connected to the limit block (141), the rotating shaft (19) is connected to a first gear (20), the rotating shaft (19) is connected to a second gear (21) via a one-way clutch, and a first rack (20) is connected to the sliding ring (15). 2), the first rack (22) is meshed with the first gear (20), two connecting frames (23) are connected between the two frames (2), a baffle (24) is commonly connected to the two connecting frames (23), a square block (25) is connected to the rotating shaft (19), a second rack (26) is connected to the baffle (24), the second rack (26) is meshed with the second gear (21), a contact plate (261) is connected between the two frames (2), and the bottom of the contact plate (261) is in contact with the top of the sliding ring (15).

3. A soil sampling and detection device for desertification control according to claim 2, characterized in that: The blocking mechanism comprises a blocking block (27) and a second spring (28); five blocking blocks (27) for sealing the through hole (10) are slidably connected to the drill pipe (6); and a second spring (28) is connected between the blocking block (27) and the drill pipe (6).

4. A soil sampling and detection device for desertification control according to claim 3, characterized in that: It also includes a guide sleeve (29), an insertion rod (30), a support block (31), a connecting plate (32) and an elastic rope (33). Two guide sleeves (29) are connected to the frame (2). The guide sleeves (29) are slidably connected to the insertion rods (30). The insertion rods (30) are connected to the support blocks (31). The two insertion rods (30) on the same frame (2) are commonly connected to a connecting plate (32). The bottom of the connecting plate (32) is in contact with the top of the lifting plate (4). An elastic rope (33) is connected between the connecting plate (32) and the lifting plate (4).

5. The soil sampling and detection device for desertification control according to claim 4 is characterized in that: The machine base (1) further comprises a mounting rod (34), a first arc-shaped tube (35), a first high-pressure nozzle (36) and a water pipe (37); two mounting rods (34) are connected inside the machine base (1); the two mounting rods (34) are commonly connected to the first arc-shaped tube (35); the bottom of the first arc-shaped tube (35) is connected to the first high-pressure nozzle (36); the first arc-shaped tube (35) is connected to the water pipe (37); and the water pipe (37) passes through the machine base (1).

6. The soil sampling and detection device for desertification control according to claim 5, characterized in that: The machine base (1) further comprises a mounting block (38), a second arc-shaped pipe (39), a second high-pressure nozzle (40), an air pipe (41) and an air pump (42); two mounting blocks (38) are connected inside the machine base (1); the two mounting blocks (38) are commonly connected to the second arc-shaped pipe (39); the bottom of the second arc-shaped pipe (39) is connected to the second high-pressure nozzle (40); the second arc-shaped pipe (39) is connected to the air pipe (41); an air pump (42) is installed inside the machine base (1); and the air outlet end of the air pump (42) is connected to the air pipe (41).

7. A soil sampling and detection device for desertification control according to claim 6, characterized in that: It also includes a gripping rod (43), the two frames (2) are commonly connected to the gripping rod (43), and the display of the soil multi-parameter sensor (11) is connected to the gripping rod (43).

8. The soil sampling and detection device for desertification control according to claim 7, characterized in that: It also includes moving wheels (44), which are symmetrically mounted on both left and right sides of the bottom of the base (1) in a front-to-back manner.

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