Soil moisture monitoring device for saline-alkali soil

Abstract

The invention discloses a soil moisture monitoring device for saline-alkali soil, and relates to the technical field of soil moisture monitoring, the soil moisture monitoring device comprises a first threaded rod and a connecting plate, the inner side of the first threaded rod is provided with a detection assembly, and the end, away from a detector, of the first threaded rod is fixedly connected with a first turntable; a second rotating disc is fixedly connected to the end, away from the first threaded rod, of the second threaded rod, multiple first movable rods are movably connected to the side, away from the first rotating disc, of the connecting plate, reinforcing assemblies are arranged on the inner sides of the multiple first movable rods, and stretching assemblies are arranged on the sides, close to the first threaded rod, of the multiple first movable rods; the vertical distribution condition of soil moisture can be more accurately reflected through segmented monitoring of the detector, the drill bit can go deep into the ground by arranging the reinforcing assembly, the stability of the device in the soil can be enhanced through the reinforced device, and the direct influence of the external environment on the monitoring sensor can be effectively isolated by arranging the stretching assembly.

Description

Technical Field

[0001] The invention relates to the technical field of soil moisture monitoring, and in particular to a soil moisture monitoring device for saline-alkali land. Background Art

[0002] The soil moisture monitoring device for saline-alkali land is an important technical means to cope with the challenge of soil salinization and ensure agricultural productivity. With the advancement of agricultural science and technology, especially in arid and semi-arid areas, the problem of soil salinization is becoming increasingly serious, threatening the healthy growth of crops and the sustainable development of farmland. In order to accurately grasp the moisture status of saline-alkali soil, scientifically regulate irrigation and drainage, and reduce the adverse effects of salt accumulation on soil and crops, the saline-alkali land soil moisture monitoring device came into being.

[0003] After searching, the invention patent with Chinese patent number CN115166212B discloses a soil moisture monitoring device;

[0004] Compared with the prior art, the invention patent with Chinese patent number CN115166212B arranges the monitoring device into a shallow component and a deep component. The shallow component and the deep component are detachably connected. At the same time, the deep component and the shallow component will establish a communication connection after being connected, so that the monitoring data in the deep component can be obtained, and the deep component can be buried underground for a long time without being dug out. Therefore, when agricultural machinery is operating, only the shallow component needs to be repeatedly buried, which reduces the depth of the buried soil, thereby reducing the workload of digging and burying while achieving accurate monitoring.

[0005] However, in the actual use of the above-mentioned device, the deep components are buried underground for a long time. Although the workload of excavation is reduced, it also means that maintenance and calibration become more difficult. Over time, the sensor may be affected by soil erosion, corrosion or biological contamination, resulting in a decrease in measurement accuracy. It is also difficult to monitor the soil moisture in saline-alkali land in real time. There is no auxiliary device on the outside of the device. It is difficult to ensure the stability of the device during detection and the outside of the device is easily affected by the external environment. Therefore, it is necessary to propose a soil moisture monitoring device for saline-alkali land. Summary of the invention

[0006] The purpose of the present invention is to solve the shortcomings of the prior art that it is difficult to monitor the soil moisture in saline-alkali land in real time, there is no auxiliary device on the outside of the device, it is difficult to ensure the stability of the device during detection, and the outside of the device is easily affected by the external environment, and a soil moisture monitoring device for saline-alkali land is proposed.

[0007] In order to achieve the above object, the present invention adopts the following technical solutions:

[0008] A soil moisture monitoring device for saline-alkali land, comprising a first threaded rod and a connecting plate, wherein the first threaded rod and the connecting plate are threadedly connected, a detection assembly is arranged on the inner side of the first threaded rod, the detection assembly comprises a detector, a fixing block and a first spring, the first threaded rod and a second threaded rod are threadedly connected, an end of the first threaded rod away from the detector is fixedly connected to a first rotating disk, a side of the first rotating disk away from the first threaded rod is fixedly connected to a distance measuring column, and an end of the second threaded rod away from the first threaded rod is fixedly connected to a second rotating disk;

[0009] A plurality of first movable rods are movably connected to a side of the connecting plate away from the first turntable, protective covers are fixedly connected to the outer sides of the plurality of first movable rods, reinforcement components are arranged on the inner sides of the plurality of first movable rods, the reinforcement components include a worm rod, a rack and a drill bit, and an extension component is arranged on a side of the plurality of first movable rods close to the first threaded rod, the extension component includes a hollow column, a second movable rod and a third fixed rod. By setting up the extension component, the direct influence of the external environment on the monitoring sensor can be effectively isolated, and the physical damage and chemical erosion of the sensor by sharp particles, corrosive substances or biological activities in the soil can be prevented, thereby extending the service life of the sensor.

[0010] The above technical solution further includes:

[0011] A plurality of triangular blocks are fixedly connected to one side of the second turntable away from the second threaded rod, and the plurality of triangular blocks are evenly distributed along the circumference of the second turntable. A plurality of scale blocks are fixedly connected to the outer side of the distance measuring column, and the plurality of scale blocks are vertically evenly arranged along the distance measuring column, and the triangular blocks and the scale blocks correspond to each other.

[0012] A plurality of circular openings are formed on the outer side of the first threaded rod, and the plurality of circular openings are evenly distributed along the outer side of the first threaded rod. A detector is slidably provided on the inner side of the circular opening.

[0013] One end of the detector away from the circular opening is fixedly connected to a fixed block, a side of the fixed block close to the detector is fixedly connected to a first spring, and one end of the first spring away from the fixed block is fixedly connected to the first threaded rod.

[0014] The connecting plate is fixedly connected to a first fixing plate on one side away from the first rotating disk. The first fixing plates are in two groups. The two groups of the first fixing plates are commonly fixedly connected to a first fixing rod. The first movable rod is movably connected to the outer side of the first fixing rod.

[0015] A first opening groove is provided on the inner side of the first movable rod. The first movable rod and the worm rod are threadedly connected. One end of the worm rod close to the first threaded rod is fixedly connected with a gear.

[0016] A rack is slidably provided on the inner side of the first opening groove, and the rack is meshed with the first opening groove. A drill bit is fixedly connected to the end of the rack away from the first opening groove, and the drill bit will penetrate deep into the ground by rotating the worm rod. The reinforced device can enhance its stability in the soil and reduce displacement or damage caused by soil movement, compaction or erosion, thereby ensuring long-term and accurate monitoring results.

[0017] One end of the first movable rod close to the drill bit is fixedly connected to a second spring, and one end of the second spring away from the first movable rod is fixedly connected to a contact block, and the contact block is in contact with the drill bit.

[0018] A second opening groove is provided on a side of the first movable rod close to the first threaded rod, a third fixed rod is fixedly connected to the inner side of the second opening groove, a second movable rod is movably connected to the outer side of the third fixed rod, an end of the second movable rod away from the third fixed rod is movably connected to the second fixed rod, and both ends of the second fixed rod are fixedly connected to second fixed plates.

[0019] A hollow column is commonly fixedly connected to one side of the plurality of second fixing plates away from the first rotating disk, and the hollow column is sleeved on the outer side of the first threaded rod.

[0020] The present invention has the following beneficial effects:

[0021] 1. In the present invention, by setting up the detection components, the segmented monitoring of the detector can more accurately reflect the vertical distribution of soil moisture. Because the soil at different depths may have significant differences in moisture content, salt concentration, temperature, etc., the design of segmented monitoring of the monitoring components is adopted when monitoring soil moisture, which can more accurately reflect the vertical distribution of soil moisture, improve the flexibility and pertinence of monitoring, and help to extend the service life of the equipment and reduce maintenance costs.

[0022] 2. In the present invention, by setting a reinforcement component and rotating the worm rod, the drill bit will go deep into the ground. The reinforced device can enhance its stability in the soil and reduce displacement or damage caused by soil movement, compaction or erosion, thereby ensuring long-term and accurate monitoring results. The reinforced soil moisture monitoring device can better adapt to the monitoring needs of different soil types, and can maintain a stable monitoring state whether in soft sand, loam with high viscosity or hard clay.

[0023] 3. In the present invention, by setting up an extension component, the direct impact of the external environment on the monitoring sensor can be effectively isolated, and the physical damage and chemical erosion of the sensor by sharp particles, corrosive substances or biological activities in the soil can be prevented, thereby extending the service life of the sensor and ensuring the long-term stability and accuracy of the monitoring data. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the overall structure of a soil moisture monitoring device for saline-alkali land proposed by the present invention;

[0025] Figure 2 This is a first three-dimensional structural schematic diagram of a soil moisture monitoring device for saline-alkali land proposed by the present invention;

[0026] Figure 3 A partial structural schematic diagram of a soil moisture monitoring device for saline-alkali land proposed by the present invention;

[0027] Figure 4 A second three-dimensional structural schematic diagram of a soil moisture monitoring device for saline-alkali land proposed by the present invention;

[0028] Figure 5 for Figure 2 A schematic diagram of the structure enlargement in the middle;

[0029] Figure 6 for Figure 1 A magnified schematic diagram of the structure at B in the middle;

[0030] Figure 7 for Figure 1 A magnified schematic diagram of the structure at C in the middle;

[0031] Figure 8 for Figure 4 A magnified schematic diagram of the structure at D in the middle;

[0032] Fig. 9 for Figure 3 Enlarged schematic diagram of the structure at point E in the middle.

[0033] In the figure: 1. first threaded rod; 2. connecting plate; 3. circular opening; 4. detector; 5. fixed block; 6. first spring; 7. first turntable; 8. second threaded rod; 9. second turntable; 10. triangular block; 11. distance column; 12. scale block; 13. first fixed plate; 14. first fixed rod; 15. first movable rod; 16. protective cover; 17. second spring; 18. contact block; 19. worm rod; 20. gear; 21. rack; 22. first opening slot; 23. drill bit; 24. hollow column; 25. second fixed plate; 26. second fixed rod; 27. second movable rod; 28. second opening slot; 29. ​​third fixed rod. DETAILED DESCRIPTION

[0034] 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.

[0035] Embodiment 1

[0036] like Figure 1-Figure 9 As shown, a soil moisture monitoring device for saline-alkali land proposed by the present invention comprises a first threaded rod 1 and a connecting plate 2, the first threaded rod 1 and the connecting plate 2 are threadedly connected, a detection assembly is arranged on the inner side of the first threaded rod 1, the detection assembly comprises a detector 4, a fixing block 5 and a first spring 6, the first threaded rod 1 and the second threaded rod 8 are threadedly connected, the end of the first threaded rod 1 away from the detector 4 is fixedly connected to a first rotating disk 7, the side of the first rotating disk 7 away from the first threaded rod 1 is fixedly connected to a distance measuring column 11, and the end of the second threaded rod 8 away from the first threaded rod 1 is fixedly connected to a second rotating disk 9;

[0037] A plurality of first movable rods 15 are movably connected to one side of the connecting plate 2 away from the first rotating disk 7, and a protective cover 16 is fixedly connected to the outer sides of the plurality of first movable rods 15. A reinforcement component is arranged on the inner sides of the plurality of first movable rods 15, and the reinforcement component includes a worm rod 19, a rack 21 and a drill bit 23. A stretching component is arranged on one side of the plurality of first movable rods 15 close to the first threaded rod 1, and the stretching component includes a hollow column 24, a second movable rod 27 and a third fixed rod 29.

[0038] A first opening groove 22 is formed on the inner side of the first movable rod 15, and the first movable rod 15 is threadedly connected to the worm rod 19, and a gear 20 is fixedly connected to one end of the worm rod 19 close to the first threaded rod 1;

[0039] A rack 21 is slidably disposed inside the first opening slot 22, the rack 21 is meshed with the first opening slot 22, and a drill bit 23 is fixedly connected to one end of the rack 21 away from the first opening slot 22;

[0040] The end of the first movable rod 15 close to the drill bit 23 is fixedly connected to the second spring 17, and the end of the second spring 17 away from the first movable rod 15 is fixedly connected to the contact block 18, and the contact block 18 is in contact with the drill bit 23;

[0041] A second opening groove 28 is provided on one side of the first movable rod 15 close to the first threaded rod 1, a third fixed rod 29 is fixedly connected to the inner side of the second opening groove 28, a second movable rod 27 is movably connected to the outer side of the third fixed rod 29, an end of the second movable rod 27 away from the third fixed rod 29 is movably connected to the second fixed rod 26, and both ends of the second fixed rod 26 are fixedly connected to second fixed plates 25.

[0042] In this embodiment, when the device needs to be fixed, the protective cover 16 needs to be pushed outward. When the protective cover 16 is pushed, the first movable rod 15 will be driven to expand outward. A second opening groove 28 is provided inside the first movable rod 15. A third fixing rod 29 is fixedly connected inside the second opening groove 28. A second movable rod 27 is movably connected outside the third fixing rod 29. The second movable rod 27 is used to connect the hollow column 24 and the third fixing rod 29. When the first movable rod 15 is pushed outward, the third fixing rod 29 will be driven. The third fixing rod 29 will drive the hollow column 24 to move upward in the vertical direction. The number of the second movable rod 27 is 3 circular openings and is evenly distributed along the circumference of the hollow column 24. When the device needs to be reinforced, the vortex rod 19 needs to be rotated. The vortex rod 19 and The first movable rod 15 is threadedly connected, the lower end of the vortex rod 19 is fixedly connected to the gear 20, and the gear 20 is meshed with the rack 21. When the vortex rod 19 is rotated, the vortex rod 19 will drive the lower gear 20 to rotate. When the gear 20 rotates, the gear 20 and the rack 21 are meshed, and the gear 20 will drive the rack 21 to move. The end of the rack 21 away from the first movable rod 15 is fixedly connected to the drill bit 23, so that rotating the vortex rod 19 will cause the drill bit 23 to move downward and penetrate into the soil. The end of the first movable rod 15 close to the vortex rod 19 is fixedly connected to the second spring 17, and the other end of the second spring 17 is fixedly connected to the contact block 18. The lower side of the contact block 18 will be attached to the ground. The second spring 17 is used to buffer the outside of the device to adapt to different land surfaces.

[0043] Embodiment 2

[0044] like Figure 1-Figure 9 As shown, based on the first embodiment, a plurality of circular openings 3 are provided on the outer side of the first threaded rod 1, and the plurality of circular openings 3 are evenly distributed along the outer side of the first threaded rod 1, and a detector 4 is slidably provided on the inner side of the circular opening 3;

[0045] One end of the detector 4 away from the circular opening 3 is fixedly connected to a fixing block 5, and one side of the fixing block 5 close to the detector 4 is fixedly connected to a first spring 6, and one end of the first spring 6 away from the fixing block 5 is fixedly connected to the first threaded rod 1;

[0046] A first fixing plate 13 is fixedly connected to one side of the connecting plate 2 away from the first rotating disk 7. The number of the first fixing plates 13 is two groups. The two groups of first fixing plates 13 are commonly fixedly connected to a first fixing rod 14. The outer side of the first fixing rod 14 is movably connected to a first movable rod 15.

[0047] A hollow column 24 is fixedly connected to the second fixing plates 25 at one side away from the first rotating disk 7 . The hollow column 24 is sleeved on the outer side of the first threaded rod 1 .

[0048] In this embodiment, when the device is fixed to a designated ground, the first threaded rod 1 is rotated, the first threaded rod 1 will rotate downward and penetrate into the ground. When the first threaded rod 1 penetrates into a suitable position, the second threaded rod 8 is rotated, the second threaded rod 8 will move downward in the vertical direction. While the second threaded rod 8 moves downward, the second threaded rod 8 will contact the fixed block 5 in sequence. The second threaded rod 8 will apply a force to the fixed block 5, and the fixed block 5 will approach the first threaded rod 1. When the fixed block 5 approaches the first threaded rod 1, it will drive the detector 4 to move outward. The fixed block 5 is also fixedly connected to the first spring 6 on one side close to the first threaded rod 1, and the other end of the first spring 6 is connected to the first threaded rod 1. The rods 1 are fixedly connected. When the fixed block 5 approaches the first threaded rod 1, the first spring 6 will be squeezed. When the second threaded rod 8 moves upward, the force of the second threaded rod 8 on the fixed block 5 will disappear. At this time, the first spring 6 will drive the fixed block 5 to rebound to the initial state, and the detector 4 will return to the inner side of the first threaded rod 1, so that the moisture of the outer soil will no longer be detected. When the second threaded rod 8 rotates and moves downward, it will drive the second turntable 9 to move downward, thereby driving the triangular block 10 to move downward. The outer side of the ranging column 11 is marked with a scale block 12, and the scale block 12 and the triangular block 10 will correspond to each other in real time, thereby assisting the detection personnel to know the depth of the detected soil.

[0049] 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 moisture monitoring device for saline-alkali land, comprising a first threaded rod (1) and a connecting plate (2), characterized in that: The first threaded rod (1) and the connecting plate (2) are threadedly connected, a detection assembly is arranged on the inner side of the first threaded rod (1), the detection assembly comprises a detector (4), a fixing block (5) and a first spring (6), the first threaded rod (1) and the second threaded rod (8) are threadedly connected, an end of the first threaded rod (1) away from the detector (4) is fixedly connected to a first rotating disk (7), a side of the first rotating disk (7) away from the first threaded rod (1) is fixedly connected to a distance measuring column (11), and an end of the second threaded rod (8) away from the first threaded rod (1) is fixedly connected to a second rotating disk (9); A plurality of first movable rods (15) are movably connected to a side of the connecting plate (2) away from the first rotating disk (7); a protective cover (16) is fixedly connected to the outer sides of the plurality of first movable rods (15); a reinforcement component is arranged on the inner sides of the plurality of first movable rods (15); the reinforcement component includes a worm rod (19), a rack (21) and a drill bit (23); and an extension component is arranged on a side of the plurality of first movable rods (15) close to the first threaded rod (1); the extension component includes a hollow column (24), a second movable rod (27) and a third fixed rod (29).

2. A soil moisture monitoring device for saline-alkali land according to claim 1, characterized in that: A plurality of triangular blocks (10) are fixedly connected to a side of the second rotating disk (9) away from the second threaded rod (8), and the plurality of triangular blocks (10) are evenly distributed along the circumference of the second rotating disk (9). A plurality of scale blocks (12) are fixedly connected to the outer side of the distance measuring column (11), and the plurality of scale blocks (12) are evenly arranged vertically along the distance measuring column (11), and the triangular blocks (10) and the scale blocks (12) correspond to each other.

3. The soil moisture monitoring device for saline-alkali land according to claim 1, characterized in that: A plurality of circular openings (3) are provided on the outer side of the first threaded rod (1), the plurality of circular openings (3) are evenly distributed along the outer side of the first threaded rod (1), and a detector (4) is slidably provided on the inner side of the circular opening (3).

4. The soil moisture monitoring device for saline-alkali land according to claim 3, characterized in that: The detector (4) is fixedly connected to a fixed block (5) at one end away from the circular opening (3); the fixed block (5) is fixedly connected to a first spring (6) at one side close to the detector (4); and the first spring (6) is fixedly connected to the first threaded rod (1) at one end away from the fixed block (5).

5. The soil moisture monitoring device for saline-alkali land according to claim 1, characterized in that: A first fixed plate (13) is fixedly connected to one side of the connecting plate (2) away from the first rotating disk (7); the first fixed plates (13) are provided in two groups; the two groups of the first fixed plates (13) are commonly fixedly connected to a first fixed rod (14); and a first movable rod (15) is movably connected to the outer side of the first fixed rod (14).

6. The soil moisture monitoring device for saline-alkali land according to claim 3, characterized in that: A first opening groove (22) is provided on the inner side of the first movable rod (15); the first movable rod (15) and the worm rod (19) are threadedly connected; and a gear (20) is fixedly connected to one end of the worm rod (19) close to the first threaded rod (1).

7. The soil moisture monitoring device for saline-alkali land according to claim 6, characterized in that: A rack (21) is slidably arranged inside the first opening groove (22), the rack (21) and the first opening groove (22) are meshed with each other, and a drill bit (23) is fixedly connected to one end of the rack (21) away from the first opening groove (22).

8. The soil moisture monitoring device for saline-alkali land according to claim 5, characterized in that: One end of the first movable rod (15) close to the drill bit (23) is fixedly connected to a second spring (17), and one end of the second spring (17) away from the first movable rod (15) is fixedly connected to a contact block (18), and the contact block (18) and the drill bit (23) are in contact with each other.

9. The soil moisture monitoring device for saline-alkali land according to claim 1, characterized in that: A second opening groove (28) is provided on a side of the first movable rod (15) close to the first threaded rod (1); a third fixed rod (29) is fixedly connected to the inner side of the second opening groove (28); a second movable rod (27) is movably connected to the outer side of the third fixed rod (29); an end of the second movable rod (27) away from the third fixed rod (29) is movably connected to the second fixed rod (26); and both ends of the second fixed rod (26) are fixedly connected to the second fixed plate (25).

10. The soil moisture monitoring device for saline-alkali land according to claim 9, characterized in that: A plurality of the second fixing plates (25) are fixedly connected together with a hollow column (24) on one side away from the first rotating disk (7), and the hollow column (24) is sleeved on the outside of the first threaded rod (1).

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