A soil sample collection system for different depths

Abstract

The invention discloses a soil sample collection system for different depths, including a servo motor, a servo motor output shaft fixedly connected to a telescopic pole, a sleeve rod connected to the outer surface of the telescopic pole, a sleeve rod fixedly connected to a protective tube, a connecting rod connected to the bottom of the sleeve rod, the telescopic pole passes through the connecting rod and extends into a sampling tube, the connecting rod is fixed to the top of the sampling tube, and a threaded drill is integrally connected to the end of the telescopic pole; the servo motor is provided with a touch screen host computer, the touch screen host computer is electrically connected to the servo motor and the telescopic pole respectively, and the servo motor and the touch screen host computer are electrically connected to a power supply. The invention has a reasonable structure and is easy to operate, and solves the problem of inaccurate depth recording of soil sampling in the prior art.

Description

Technical Field

[0001] The invention belongs to the technical field of sampling devices, and in particular relates to a soil sample collection system for different depths. Background Art

[0002] High-quality development of ecological civilization is inseparable from the protection and prevention of ecological plants and animals, and soil composition can reflect the problems of material circulation and ecological environment, that is, soil sampling is one of the important research fields of ecological environment and construction. Soil sampling at different depths includes sampling layout and sampling technology. The collection of profile soil samples should be carried out after the profile observation and recording is completed. Before sampling, the profile should be repaired and cleaned, and the topmost floating soil should be removed. Then, samples should be taken from the typical central part layer by layer from top to bottom according to different depth levels. When sampling soil, a soil sampling system is needed to collect soil deep underground. However, the existing soil sampling system is not well-structured and still has certain defects:

[0003] During sampling, a manual handheld sampling system is usually used in conjunction with machinery to sample the soil deep into the ground. The soil detected at different depths needs to be recorded in order to compare the differences in soil at different depths. The common measurement method is to record the scale on the surface of the deep-set device by observing the scale, but the scale record is prone to errors. If the scale line is blurred, measurement cannot be performed, resulting in missing sampling data and affecting the results of soil testing. If an emergency occurs during deep-ground testing, too much internal gravel or hard obstacles will cause system damage. When the system is damaged, ground personnel cannot make a timely judgment, resulting in local damage caused by excessive system extrusion pressure, which not only affects the progress of the test but also causes the broken system to damage the deep ground, which has certain limitations. Summary of the invention

[0004] The purpose of the present invention is to provide a soil sample collection system for different depths, so as to solve the problem of inaccurate depth recording of soil sampling in the prior art.

[0005] The technical solution adopted by the present invention is a soil sample collection system for different depths, including a servo motor, an output shaft of the servo motor is fixedly connected to a telescopic pole, the outer shell of the telescopic pole is connected to a sleeve rod, the sleeve rod is fixedly connected to a protective tube, the bottom of the sleeve rod is connected to a connecting rod, the telescopic pole penetrates the connecting rod and extends into a sampling tube, the connecting rod is fixed to the top of the sampling tube, and the end of the telescopic pole is integrally connected to a threaded drill bit; the servo motor is provided with a touch screen host computer, the touch screen host computer is electrically connected to the servo motor and the telescopic pole respectively, and the servo motor and the touch screen host computer are both electrically connected to a power supply.

[0006] The present invention is also characterized in that:

[0007] The lower part of the telescopic pole is provided with a spiral blade, an inner wall protective shell is arranged inside the sampling tube, the inner wall protective shell is sleeved on the spiral blade part of the telescopic pole, an opening is arranged on the upper part of the sampling tube, and a sampling flap is arranged on the outer wall of the protective tube corresponding to the opening.

[0008] The servo motor used is model 70BL-A, and the servo motor is equipped with a plc control system, which is electrically connected to the touch screen host computer.

[0009] The outer wall of the protection tube is sleeved with a sleeve ring, both sides of the sleeve ring are fixedly connected with an extension plate, a drill bit is sleeved on the extension plate, and the top end of the drill bit is fixedly connected with a pedal.

[0010] A through groove is provided in the axial direction on the outer wall of the protective tube, two fixing blocks are arranged on the collar at positions corresponding to the through grooves, a clamp is arranged between the two fixing blocks, the inner walls of the two clamps are clamped and connected to the fixed tube, the axial direction of the fixed tube is perpendicular to the direction in which the through grooves extend, a scraper is connected to one end of the fixed tube close to the protective tube wall, and the scraper is in close contact with the outer wall of the sampling tube.

[0011] A plurality of thorn rods are arranged circumferentially at the bottom end of the sleeve rod, a placement box is arranged at the top of the sampling tube, an air bag is movably connected inside the placement box, a soft cover is fixedly connected to the top end of the placement box, and a plurality of through holes are arranged at the top end of the soft cover.

[0012] The bottom end of the sampling tube is circumferentially fixedly connected with a plurality of penetration heads, and the surface of the penetration heads is provided with saw teeth.

[0013] Handles are movably mounted on both sides of the top of the servo motor.

[0014] A threaded hole is arranged between the fixed block and the corresponding clamp, the threaded hole is threadedly connected to the adjusting bolt, and an anti-slip pad is fixedly arranged on the inner wall of the clamp.

[0015] The scraper is in an arc-shaped structure with the curved surface facing downward.

[0016] The beneficial effects of the present invention are as follows: the present invention is a soil sample collection system for different depths, the servo motor output shaft is connected to the telescopic pole, the telescopic pole extends into the sampling tube, the servo motor is equipped with a PLC control system combined with a touch screen host computer, which ensures the accuracy of the sampling results and makes the sampling data more complete; when the sampling tube goes deep into the ground for sampling, after the fixed tube and the scraper are installed, the scraper penetrates the groove and fits the surface of the sampling tube, and after sampling, the scraper scrapes off the soil and impurities remaining on the surface of the sampling tube, and the cooperation of the protective tube, the collar, the extension plate, the drill bit and the pedal makes soil sample collection simpler, more convenient and saves time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of a soil sample collection system for different depths according to the present invention;

[0018] Figure 2A structural isometric view of a clamp for a soil sample collection system at different depths proposed by the present invention;

[0019] Figure 3 It is a structural isometric view of a soil sample collection system for different depths according to the present invention;

[0020] Figure 4 This is a schematic diagram of the structure of a threaded drill bit for a soil sample collection system at different depths according to the present invention;

[0021] Figure 5 A top view of a soil sample collection system for different depths proposed by the present invention;

[0022] Figure 6 This is a schematic diagram of the installation of a touch screen host computer for a soil sample collection system at different depths proposed by the present invention.

[0023] In the figure, 1. protective tube, 2. sleeve rod, 3. servo motor, 4. sampling tube, 5. penetration head, 6. sleeve ring, 7. fixing block, 8. clamp, 9. adjustment bolt, 10. fixing tube, 11. scraper, 12. through groove, 13. extension plate, 14. drill bit, 15. pedal, 16. connecting rod, 17. placement box, 18. soft cover, 19. air bag, 20. thorn rod, 21. telescopic pole, 22. threaded drill bit, 23. touch screen host computer, 24. power supply, 25 inner wall protective shell, 26 sampling flap. DETAILED DESCRIPTION

[0024] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments:

[0025] The present invention provides a soil sample collection system for different depths, such as Figure 1 As shown, it includes a servo motor 3, the output shaft of the servo motor 3 is fixedly connected to the telescopic pole 21, the outer sleeve rod 2 of the telescopic pole 21 is connected to the sleeve rod 2, the sleeve rod 2 is fixedly connected to the protective tube 1, the bottom of the sleeve rod 2 is connected to the connecting rod 16, the connecting rod 16 is fixed to the top of the sampling tube 4, the telescopic pole 21 penetrates the connecting rod 16 and extends into the sampling tube 4, and the end of the telescopic pole 21 is integrally connected to the threaded drill bit 22; Figure 5 and Figure 6 As shown, the servo motor 3 is provided with a touch screen host computer 23, the touch screen host computer 23 is electrically connected to the servo motor 3 and the telescopic pole 21 respectively, the servo motor 3 and the touch screen host computer 23 are both electrically connected to the power supply 24, and handles are movably installed on both sides of the top of the servo motor 3, and the setting of the handles makes it more convenient for sampling personnel to operate.

[0026] like Figure 4As shown, the lower part of the telescopic pole 21 is provided with a spiral blade, and an inner wall protective shell 25 is arranged inside the sampling tube 4. The inner wall protective shell 25 is sleeved on the spiral blade part of the telescopic pole 21, which effectively prevents the soil sample from spilling outward when being transported upward. The collected soil sample is finally gathered partially on the sampling tube 4. An opening is arranged on the upper part of the sampling tube 4, and a sampling flap opening 26 is arranged on the outer wall of the opening corresponding to the protective tube 1. After the operation is completed, the sample can be taken out from the sampling flap opening 26 with a small shovel.

[0027] The servo motor 3 adopts model 70BL-A. The servo motor 3 is equipped with a plc control system. The plc control system is electrically connected to the touch screen host computer 23. The plc control system controls the forward and reverse rotation of the output shaft of the servo motor 3. When sampling, the positive rotation is first started through the touch screen host computer 23, and the servo motor 3 drives the telescopic pole 21 to work downward to the target depth, stops the forward rotation program, starts the reverse rotation program and drives the electric retractable pole 21 and the threaded drill bit 22 to retract upward. The touch screen host computer 23 records and saves the depth record of soil sampling.

[0028] The outer wall of the protection tube 1 is sleeved with a collar 6, and both sides of the collar 6 are fixedly connected to an extension plate 13, and a drill bit 14 is sleeved on the extension plate 13, and the top of the drill bit 14 is fixedly connected to a pedal 15. The bottom end of the sampling tube 4 is circumferentially fixedly connected with a plurality of penetration heads 5, and the surface of the penetration head 5 has serrations, which can break through most stones and hard structures in the soil, making it easier to enter the soil.

[0029] The outer wall of the protective tube 1 is provided with a through groove 12 along the axial direction, two fixing blocks 7 are arranged on the collar 6 at positions corresponding to the through groove 12, and a clamp 8 is arranged between the two fixing blocks 7. The inner walls of the two clamps 8 are engaged and connected with a fixing tube 10, and the axial direction of the fixing tube 10 is perpendicular to the extending direction of the through groove 12. The end of the fixing tube 10 close to the wall of the protective tube 1 is connected with a scraper 11, such as Figure 2 As shown, a threaded hole is set between the fixed block 7 and the corresponding clamp 8, the threaded hole is threadedly connected to the adjusting bolt 9, an anti-slip pad is fixed on the inner wall of the clamp 8, the diameter of the fixed tube 10 is smaller than the width of the through groove 12, the fixed tube 10 passes through the through groove 12, the scraper 11 is in contact with the outer wall of the sampling tube 4, and the scraper 11 is an arc-shaped structure with a downward curved surface.

[0030] like Figure 3 As shown, a plurality of thorn rods 20 are circumferentially arranged at the bottom end of the sleeve rod 2, a placement box 17 is arranged at the top of the sampling tube 4, an air bag 19 is movably connected to the inside of the placement box 17, a soft cover 18 is fixedly connected to the top of the placement box 17, a plurality of through holes are arranged at the top of the soft cover 18, and the through holes are arranged to facilitate the transmission of sound after the air bag 19 explodes.

[0031] By setting up the sampling tube 4, the connecting rod 16, the placement box 17, the soft cover 18, the airbag 19, the sleeve rod 2 and the threaded drill bit 22 on the telescopic pole 21, when an accident occurs due to the hard internal structure and difficulty in sampling, the connecting rod 16 is the thinnest and is prone to breakage first. When the connecting rod 16 is broken, the sleeve rod 2 is still squeezed downward, driving the thorn rod 20 and the soft cover 18 to approach, and penetrate into the placement box 17 through the through hole in the soft cover 18 to squeeze the airbag 19. The airbag 19 explodes when it is over-extended. At this time, the threaded drill bit 22 stops working, and the sound of the explosion is transmitted to the ground through the guide of the sleeve rod 2 and the protective tube 1, so as to remind the sampling personnel, thereby achieving the minimum damage in the event of an accident and ensuring the minimum damage to the land.

[0032] In this embodiment, the threaded drill bit 22 is made of stainless steel with hardened threaded connection.

[0033] The working principle of the soil sample collection system for different depths of the present invention is that a protective tube 1, a sampling tube 4, a fixing block 7, a clamp 8, an adjusting bolt 9, a fixing tube 10 and a scraper 11 are arranged. When the sampling tube 4 goes deep into the ground for sampling under the action of a sleeve rod 2, after the fixing tube 10 and the scraper 11 are installed, the scraper 11 penetrates through a groove 12 and fits with the surface of the sampling tube 4. After sampling, the scraper 11 scrapes away the soil and impurities remaining in the protective tube 1, so that the sampling data is more complete. The protective tube 1, the collar 6 and the extension plate 13, the drill bit 14 and the pedal 15 are coordinated. Before sampling, the sampling personnel steps on the pedal 15 to insert the drill bit 14 into the ground and fix it, thereby achieving the stability of the system, so that there is no disturbance to the bottom structure during sampling, and thus the internal structure of the soil will not be damaged.

[0034] The working process of the soil sample collection system for different depths of the present invention is as follows: before sampling, the protective tube 1 is placed on the ground, the pedal 15 allows the drill bit 14 to penetrate into the ground for fixing, the servo motor 3 is turned on by connecting to the touch screen host computer 23, the servo motor 3 drives the telescopic pole 21 to rotate and move downward, the threaded drill bit 22 mines downward to bring the soil into the sampling tube 4, and the sample is taken out from the sampling flap 26 with a small shovel. After sampling, the two clamps 8 are driven to approach by adjusting the adjustment bolt 9, the fixing tube 10 is clamped and fixed, so that the scraper 11 penetrates the through groove 12 and fits the surface of the sampling tube 4, and the scraper 11 scrapes the soil and impurities remaining on the surface of the sampling tube 4.

[0035] The present invention is a soil sample collection system for different depths. The whole device structure is stable and will not damage the internal structure of the soil during sampling. Through the cooperation of the servo motor 3 and the telescopic pole 21, the sampling tube 4 goes deep into the ground to sample, and the accuracy of the sampling result makes the sampling data more complete. The present invention has a simple structure, a small size, is easy to make and use, and makes the collection of soil samples simpler and more convenient, saving time.

Claims

1. A soil sample collection system for different depths, characterized in that: The invention comprises a servo motor (3), wherein an output shaft of the servo motor (3) is fixedly connected to a telescopic pole (21), an outer sleeve rod (2) is connected to the telescopic pole (21), the sleeve rod (2) is fixedly connected to a protective tube (1), a bottom of the sleeve rod (2) is connected to a connecting rod (16), the telescopic pole (21) penetrates the connecting rod (16) and extends into a sampling tube (4), the connecting rod (16) is fixed to the top of the sampling tube (4), and an end of the telescopic pole (21) is integrally connected to a threaded drill bit (22); the servo motor (3) is provided with a touch screen host computer (23), the touch screen host computer (23) is electrically connected to the servo motor (3) and the telescopic pole (21), respectively, and the servo motor (3) and the touch screen host computer (23) are both electrically connected to a power supply (24); The outer wall of the protective tube (1) is sleeved with a collar (6), both sides of the collar (6) are fixedly connected to an extension plate (13), a drill bit (14) is sleeved on the extension plate (13), and the top end of the drill bit (14) is fixedly connected to a pedal (15); The outer wall of the protective tube (1) is provided with a through groove (12) along the axial direction, two fixing blocks (7) are arranged on the collar (6) at positions corresponding to the through groove (12), a clamp (8) is arranged between the two fixing blocks (7), the inner walls of the two clamps (8) are clamped and connected to the fixed tube (10), the axial direction of the fixed tube (10) is perpendicular to the direction in which the through groove (12) extends, and the end of the fixed tube (10) close to the wall of the protective tube (1) is connected to a scraper (11), and the scraper (11) is in close contact with the outer wall of the sampling tube (4); A plurality of thorn rods (20) are arranged circumferentially at the bottom end of the sleeve rod (2), a placement box (17) is arranged at the top of the sampling tube (4), the placement box (17) is movably connected to the air bag (19) inside, the top end of the placement box (17) is fixedly connected to the soft cover (18), and a plurality of through holes are arranged at the top end of the soft cover (18).

2. A soil sample collection system for different depths according to claim 1, characterized in that: The lower part of the telescopic pole (21) is provided with a spiral blade, an inner wall protection shell (25) is arranged inside the sampling tube (4), the inner wall protection shell (25) is sleeved on the spiral blade part of the telescopic pole (21), an opening is arranged on the upper part of the sampling tube (4), and a sampling flap opening (26) is arranged on the outer wall of the protective tube (1) corresponding to the opening.

3. A soil sample collection system for different depths according to claim 1, characterized in that: The servo motor (3) is of model 70BL-A. The servo motor (3) is provided with a plc control system, and the plc control system is electrically connected to the touch screen host computer (23).

4. A soil sample collection system for different depths according to claim 1, characterized in that: The bottom end of the sampling tube (4) is circumferentially fixedly connected to a plurality of penetration heads (5), and the surface of the penetration heads (5) is provided with saw teeth.

5. A soil sample collection system for different depths according to claim 1, characterized in that: Handles are movably mounted on both sides of the top of the servo motor (3).

6. A soil sample collection system for different depths according to claim 1, characterized in that: A threaded hole is provided between the fixed block (7) and the corresponding clamp (8), the threaded hole is threadedly connected to the adjustment bolt (9), and an anti-slip pad is fixedly provided on the inner wall of the clamp (8).

7. A soil sample collection system for different depths according to claim 1, characterized in that: The scraper (11) is in the form of an arc-shaped structure with a curved surface facing downwards.

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