Agricultural saline-alkali land improvement auxiliary device

Abstract

The agricultural saline-alkali land improvement auxiliary device comprises a tank body, a mounting frame is fixedly connected to the left side of the tank body, and a feeding opening is formed in the upper end of the tank body; the mixing assembly comprises a driving motor mounted at the upper end of the tank body, an output shaft of the driving motor extends into the tank body and is fixedly connected with a rotating shaft, a connecting cylinder is arranged in the tank body, the outer side of the connecting cylinder is fixedly connected with the inner wall of the tank body through a plurality of connecting rods, and the lower end of the rotating shaft penetrates through the connecting cylinder; the rotating shaft penetrates through the outer side of the connecting cylinder and is fixedly connected with spiral blades, the outer side of the rotating shaft is fixedly connected with a rotating cylinder, and the lower end of the rotating cylinder is fixedly connected with a conical cylinder. In the using process, the auxiliary device is matched with the rotary cultivator, soil obtained after rotary tillage of the rotary cultivator can be shoveled up and shaken into pieces to make full contact with atomized liquid modifier, and the actual improvement effect is effectively improved.

Description

Technical Field

[0001] This invention relates to the field of highway transportation, and more particularly to an auxiliary device for improving saline-alkali land in agriculture. Background Technology

[0002] In the field of agricultural soil improvement, soil rotary tillage and the application of soil conditioners are key steps in improving soil quality and promoting crop growth. Currently, conventional soil improvement methods have significant shortcomings.

[0003] Traditional soil tillage and soil amendment application are usually done in separate steps. First, a rotary tiller is used to till the soil, loosening and breaking up the soil structure to some extent. However, large clods of soil remain after tillage, and their internal structure is not fully exposed, limiting their contact area with external substances. Then, a liquid soil amendment is applied to the soil surface using a spraying device. This step-by-step operation not only increases the workload and time cost, but also, because the soil and amendment are not fully mixed, the amendment cannot penetrate deep into the soil and cannot fully contact the effective components within the soil. This significantly reduces the effectiveness of the amendment and prevents it from fully exerting its regulatory effects on soil fertility, pH, and other aspects. Summary of the Invention

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing an auxiliary device for improving saline-alkali land in agriculture. During use, this auxiliary device works in conjunction with a rotary tiller to scoop up the soil after rotary tilling, break it up, and bring it into full contact with the atomized liquid amendment, effectively improving the actual improvement effect.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] An auxiliary device for improving saline-alkali land in agriculture includes a tank body with a mounting frame fixedly connected to the left side of the tank body and a feeding port at the upper end of the tank body; a mixing assembly including a drive motor mounted at the upper end of the tank body, the output shaft of the drive motor extending into the tank body and fixedly connected to a rotating shaft; a connecting cylinder provided inside the tank body, the outer side of the connecting cylinder being fixedly connected to the inner wall of the tank body via multiple connecting rods; the lower end of the rotating shaft penetrating the connecting cylinder, and a spiral blade fixedly connected to the outer side of the rotating shaft penetrating the connecting cylinder; and a fixed... The system includes a rotating cylinder with a conical cylinder fixedly connected to its lower end. The conical cylinder has multiple separation holes on its inner wall. A crushing column, consisting of two truncated cones, is fixedly connected to the outer side of the upper end of the connecting cylinder. The distance between the lower side wall of the crushing column and the inner wall of the conical cylinder decreases from top to bottom. Multiple agitating blades are fixedly connected to the outer side of the lower end of the rotating shaft. A spraying assembly is also included to uniformly spray the mixed amendment. An auxiliary assembly, working in conjunction with the spraying assembly, is used to improve the overall contact between the amendment and the soil.

[0007] Preferably, the spraying assembly includes a connecting plate fixedly connected to the left side of the tank body, a U-shaped frame fixedly connected to the lower end of the connecting plate, an impact plate fixedly connected to the inner top of the U-shaped frame, a rectangular groove opened at the lower right side of the impact plate, a hollow strip fixedly connected to the inner top of the rectangular groove, and a plurality of atomizing nozzles installed at the lower end of the hollow strip.

[0008] Preferably, a liquid pump is installed at the lower end of the tank, with the inlet end of the liquid pump extending to the inner bottom of the tank and the outlet end of the liquid pump extending into the hollow strip.

[0009] Preferably, the auxiliary component includes a first piston cylinder fixedly connected to the upper end of the tank body, a first piston plate that can slide left and right is provided inside the first piston cylinder, the right side of the first piston plate is elastically connected to the right inner wall of the first piston cylinder by a spring, a second piston cylinder is fixedly connected to the right side of the first piston cylinder, a second piston plate that can slide left and right is provided inside the second piston cylinder, a fixing post is fixedly connected to the left side of the second piston plate, the first piston cylinder and the second piston cylinder are connected through a round opening, the left end of the fixing post passes through the round opening and is fixedly connected to the right side of the first piston plate.

[0010] Preferably, a round-headed abutment is fixedly connected to the left side of the first piston plate, and a cam is fixedly connected to the output shaft of the drive motor, with the cam contacting the left end of the round-headed abutment.

[0011] Preferably, the lower left side of the herringbone frame has an inclined guide port, the inner bottom of the herringbone frame has a sliding groove, the inner bottom of the sliding groove is fixedly connected to a third piston cylinder, the third piston cylinder has a third piston plate that can slide up and down, the upper end of the third piston plate is fixedly connected to a piston rod, the upper end of the piston rod passes through the third piston cylinder and is fixedly connected to a sliding plate, the sliding plate is slidably connected to the sliding groove, and the bottom space of the third piston cylinder is connected to the right side space of the second piston cylinder through a connecting pipe.

[0012] Preferably, a one-way port is provided in the right side space of the first piston cylinder, and a one-way pipe is connected to the right side space of the first piston cylinder. A one-way valve is installed inside both the one-way pipe and the one-way port.

[0013] Preferably, the other end of the one-way pipe is connected to a first branch pipe and a second branch pipe. The other end of the first branch pipe is connected to the liquid outlet of the liquid pump, and the other end of the second branch pipe is connected to the inner bottom of the tank. Solenoid valves are installed inside both the first branch pipe and the second branch pipe.

[0014] Compared with the prior art, the beneficial effects of this invention are as follows:

[0015] 1. The drive motor rotates in both directions to drive the spiral blades, realizing the up-and-down circulation of water, which allows the conditioner to be fully mixed with the water, and avoids the impact of the initial mixing on the system, ensuring a stable and orderly mixing process.

[0016] 2. The special structure of the crushing column, combined with the rotation of the drive motor, can crush the poorly soluble and undissolved amendment, ensuring that the amendment is fully mixed with the water, avoiding residual particles from affecting subsequent spraying, and improving the utilization rate of the amendment.

[0017] 3. The rotating agitator blades create vortices in the water, which, using Bernoulli's principle, capture impurities directly below the connecting cylinder. This allows for more comprehensive capture of undissolved amendment particles, further enhancing the mixing effect and ensuring uniform amendment quality.

[0018] 4. Start the liquid pump to extract the mixed soil amendment from the bottom of the tank and spray it evenly through the hollow strip and atomizing nozzle. This can accurately apply the soil amendment to the soil after rotary tillage, improving the uniformity and coverage of the soil amendment spraying.

[0019] 5. The drive motor drives the cam and other components to link the first piston plate, the second piston plate and the third piston plate together, which in turn causes the sliding plate to vibrate up and down. This, combined with the relative movement of the soil within the loop frame, breaks up the soil and increases the contact area between the soil and the amendment.

[0020] 6. Shaking the soil disperses it as it passes under the atomizing nozzle, allowing it to come into more complete contact with the atomized amendment, improving the compatibility between the amendment and the soil, and enhancing the soil improvement effect.

[0021] 7. When mixing the modifier and water, open the electric valve in the second branch pipe. Outside air enters the bottom of the tank in the form of rising air bubbles, which promotes water flow, improves the mixing effect, and allows the modifier to dissolve in the water faster and more evenly.

[0022] 8. During subsequent spraying, open the electric valve in the first branch pipe, allowing unidirectional airflow to enter the liquid pump outlet, increasing the spraying pressure, promoting atomization of the spray nozzle, improving the spraying effect, and ensuring that the soil conditioner can effectively act on the soil. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the structure of an agricultural saline-alkali land improvement auxiliary device proposed in this invention;

[0024] Figure 2 for Figure 1 A cross-sectional schematic diagram;

[0025] Figure 3 for Figure 2 Enlarged view of point A;

[0026] Figure 4 for Figure 2 Front view;

[0027] Figure 5 A schematic diagram of the mechanism connecting the connecting cylinder, the rotating cylinder, and the conical cylinder;

[0028] Figure 6 This is a cross-sectional view of the connection between the third piston cylinder and the sliding plate;

[0029] Figure 7 This is a cross-sectional view showing the connection between the first piston cylinder and the second piston cylinder.

[0030] In the diagram: 1. Tank body, 2. Mounting bracket, 3. Drive motor, 4. Cam, 5. Rotary shaft, 6. First piston cylinder, 7. One-way port, 8. Second piston cylinder, 9. Connecting pipe, 10. One-way pipe, 11. Connecting plate, 12. U-shaped frame, 13. Impact plate, 14. Inclined guide port, 15. Spring, 16. First piston plate, 17. Abutting column, 18. Connecting rod, 19. Connecting cylinder, 20. Spiral blade, 21. Liquid pump, 22. First branch pipe, 23. Second branch pipe, 24. Hollow strip, 25. Rectangular groove, 26. Atomizing nozzle, 27. Sliding groove, 28. Third piston cylinder, 29. Piston rod, 30. Sliding plate, 31. Stirring blade, 32. Rotating cylinder, 33. Conical cylinder, 34. Crushing column, 35. Third piston plate, 36. Second piston plate, 37. Fixed column. Detailed Implementation

[0031] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

[0032] Reference Figures 1-7 An auxiliary device for improving saline-alkali land in agriculture includes a tank 1. A mounting frame 2 is fixedly connected to the left side of the tank 1. The device can be installed at the rear of an existing rotary tiller through the mounting frame 2. After the rotary tiller tills the soil, the device is used to process the tilled soil. After further tilling by the rotary tiller, most of the soil is above ground level. A feeding port is provided at the upper end of the tank 1, through which water and solid soil conditioner can be added.

[0033] In one embodiment of the present invention, a mixing assembly is also included. The mixing assembly includes a drive motor 3 mounted on the upper end of a tank body 1. The output shaft of the drive motor 3 extends into the tank body 1 and is fixedly connected to a rotating shaft 5. A connecting cylinder 19 is provided inside the tank body 1. The outer side of the connecting cylinder 19 is fixedly connected to the inner wall of the tank body 1 via multiple connecting rods 18. The lower end of the rotating shaft 5 passes through the connecting cylinder 19. A spiral blade 20 is fixedly connected to the outer side of the rotating shaft 5 passing through the connecting cylinder 19. A rotating cylinder 32 is fixedly connected to the outer side of the rotating shaft 5. A conical cylinder 33 is fixedly connected to the lower end of the rotating cylinder 32. Multiple separation holes are provided on the inner wall of the conical cylinder 33. A crushing column 34 is fixedly connected to the outer side of the upper end of the connecting cylinder 19. The crushing column 34 is composed of two truncated cones. The distance between the lower part of the side wall of the crushing column 34 and the inner wall of the conical cylinder 33 increases from top to bottom. The lower end of the rotating shaft 5 is fixedly connected to multiple stirring blades 31. In actual use, at the initial stage of mixing, the drive motor 3 is started to rotate in the reverse direction. At this time, the rotation of the spiral blade 20 can realize the movement of water from top to bottom without affecting the entire system. It should be noted that the height of the water is not lower than the height of the cone 33. After mixing for a period of time, the drive motor 3 is started to rotate in the reverse direction. At this time, the rotation of the drive motor 3 drives the rotation of the spiral blade 20 to lift the water from bottom to top, realizing the internal water circulation. After the water is transported to the position above the connecting cylinder 19, it will fall to the inside of the cone 33. Some difficult-to-dissolve modifiers fall down the inclined surface of the cone 33 to the position between it and the crushing column 34. It should be noted that the rotation speed of the drive motor 3 should not be too fast.

[0034] It is worth mentioning that during the actual agitation process, the rotation of the shaft 5 drives multiple agitator blades 31 to rotate. The rotation of these blades creates a vortex in the water. The water flow velocity is fastest at the center of the vortex, while it is slower at the edges. According to Bernoulli's principle, the higher the flow velocity, the lower the pressure. Therefore, a low-pressure zone is formed at the center of the vortex, and the water in the surrounding high-pressure zone flows towards the center, creating an inward pressure gradient. Impurities are pushed towards the lower-pressure central region due to the pressure difference of the surrounding water. On the vertical cross-section of the vortex, the water flow not only rotates tangentially but also flows radially due to the pressure gradient. The low-pressure zone at the center attracts the surrounding water flow inward, forming an inward secondary flow. After being carried into the center by the water flow, impurities, due to their low inertia, are difficult to escape from the low-pressure zone and are eventually "captured" near the center, that is, directly below the connecting cylinder 19. In this way, during the liquid circulation, all undissolved modifier particles can be captured more comprehensively.

[0035] As one embodiment of the present invention, it also includes a spraying assembly for uniformly spraying the mixed modifier. The spraying assembly includes a connecting plate 11 fixedly connected to the left side of the tank 1. A U-shaped frame 12 is fixedly connected to the lower end of the connecting plate 11. An impact plate 13 is fixedly connected to the inner top of the U-shaped frame 12. A rectangular groove 25 is opened at the lower end of the right side portion of the impact plate 13. A hollow strip 24 is fixedly connected to the inner top of the rectangular groove 25. A plurality of atomizing nozzles 26 are installed at the lower end of the hollow strip 24. A liquid pump 21 is installed at the lower end of the tank 1. The liquid inlet end of the liquid pump 21 extends to the inner bottom of the tank 1, and the liquid outlet end of the liquid pump 21 extends into the interior of the hollow strip 24.

[0036] As one embodiment of the present invention, an auxiliary component is also included. The auxiliary component works in conjunction with the spraying component to improve the overall contact between the amendment and the soil. The auxiliary component includes a first piston cylinder 6 fixedly connected to the upper end of the tank 1. A first piston plate 16 that can slide left and right is provided inside the first piston cylinder 6. The right side of the first piston plate 16 is elastically connected to the right inner wall of the first piston cylinder 6 through a spring 15. A second piston cylinder 8 is fixedly connected to the right side of the first piston cylinder 6. A second piston plate 36 that can slide left and right is provided inside the second piston cylinder 8. A fixing post 37 is fixedly connected to the left side of the second piston plate 36. The first piston cylinder 6 and the second piston cylinder 8 are connected through a round opening. The left end of the fixing post 37 passes through the round opening and is fixedly connected to the right side of the first piston plate 16. A round-headed abutment is fixedly connected to the left side of the first piston plate 16. A cam 4 is fixedly connected to the output shaft of the drive motor 3. The cam 4 contacts the left end of the round-headed abutment.

[0037] In one embodiment of the present invention, an inclined guide port 14 is provided on the left side of the lower end of the U-shaped frame 12. A sliding groove 27 is provided on the inner bottom of the U-shaped frame 12. A third piston cylinder 28 is fixedly connected to the inner bottom of the sliding groove 27. A third piston plate 35 that can slide up and down is provided inside the third piston cylinder 28. A piston rod 29 is fixedly connected to the upper end of the third piston plate 35. The upper end of the piston rod 29 passes through the third piston cylinder 28 and is fixedly connected to a sliding plate 30. The sliding plate 30 is slidably connected to the sliding groove 27. A sealing rubber sheet is provided at the contact point between the sliding plate 30 and the groove opening of the sliding groove 27. The bottom space of the third piston cylinder 28 is connected to the right side space of the second piston cylinder 8 through a connecting pipe 9. The right side space of the plug cylinder 8 and the connecting pipe 9 are both filled with hydraulic oil. Using this method, when the second piston plate 36 moves left and right, the third piston plate 35 can move up and down, which in turn makes the sliding plate 30 shake up and down. During the movement of the rotary tiller, the soil is shoveled into the loop frame 12. As the movement continues, the soil that enters later will push the original soil from the right. In this way, with the relative movement of the soil with respect to the loop frame 12, combined with the shaking of the sliding plate 30, the soil located in the loop frame 12 can be continuously shaken. It uses inertia to collide with the impact plate 13 to achieve breakage. At the same time, when the soil shakes and passes below the atomizing nozzle 26, it is in a dispersed state when it shakes, so it can come into more comprehensive contact with the atomized amendment.

[0038] In one embodiment of the present invention, a one-way port 7 is provided in the right side space of the first piston cylinder 6, and a one-way pipe 10 is connected to the right side space of the first piston cylinder 6. One-way valves are installed inside both the one-way pipe 10 and the one-way port 7. The flow direction of the one-way valve inside the one-way port 7 is one-way entry into the first piston cylinder 6 from the outside, and the flow direction of the one-way valve inside the one-way pipe 10 is one-way discharge from the bottom space of the first piston cylinder 6 to the first branch pipe 22 or the second branch pipe 23. With this structure, during the left and right movement of the first piston plate 16, when mixing the modifier and water, the electric valve in the second branch pipe 23 is opened and the solenoid valve in the first branch pipe 22 is closed. At this time, the one-way airflow enters the mixture, causing bubbles to float, promoting water flow and improving the mixing effect. When spraying the liquid, the electric valve in the first branch pipe 22 is opened and the solenoid valve in the second branch pipe 23 is closed. At this time, the one-way airflow can increase the pressure during spraying, promote the atomizing nozzle 26 to atomize and spray the water, and improve the spraying effect.

[0039] In one embodiment of the present invention, the other end of the one-way pipe 10 is connected to a first branch pipe 22 and a second branch pipe 23. The other end of the first branch pipe 22 is connected to the liquid outlet of the liquid pump 21, and the other end of the second branch pipe 23 is connected to the inner bottom of the tank body 1. Solenoid valves are installed inside both the first branch pipe 22 and the second branch pipe 23.

[0040] In this invention, the agricultural saline-alkali land improvement auxiliary device is installed at the rear of an existing rotary tiller via a mounting bracket 2 fixedly connected to the left side of the tank 1. After the rotary tiller tills the soil, this device is used to process the tilled soil. At this time, most of the tilled soil is higher than the ground level, and the inclined guide port 14 is slightly higher than the ground level. Water and solid soil conditioner are added into the tank 1 through the feeding port provided at the upper end of the tank 1.

[0041] The drive motor 3 is started and rotated in reverse. The output shaft of the drive motor 3 drives the rotating shaft 5 to rotate, which in turn drives the spiral blade 20 to rotate, thus moving the water from top to bottom. At this time, the water height is not lower than the height of the cone 33, so it does not affect the entire system. After mixing for a period of time, the drive motor 3 is started and rotated in the forward direction. The drive motor 3 drives the spiral blade 20 to rotate, lifting the water from bottom to top, thus achieving internal water circulation. After the water is transported to the position above the connecting cylinder 19, it falls to the inside of the cone 33. Some poorly soluble and undissolved amendments fall down the inclined surface of the cone 33 to the position between it and the crushing column 34. Since the crushing column 34 is composed of two truncated cones, and the distance between its lower side wall and the inner wall of the cone 33 decreases from top to bottom, the amendments can be crushed under the drive motor 3 (the speed should not be too fast), ensuring that the amendments are fully mixed with the water and avoiding residual amendment particles from affecting subsequent spraying operations.

[0042] The rotation of shaft 5 drives multiple agitator blades 31 to rotate, causing the water to rotate and generate a vortex. According to Bernoulli's principle, a low-pressure zone is formed at the center of the vortex, and water from the surrounding high-pressure zone flows towards the center, forming an inward pressure gradient. Impurities are pushed towards the lower-pressure central region by the pressure difference of the surrounding water. On the vertical cross-section of the vortex, the water flow generates radial flow, forming an inward secondary flow. After being carried into the center by the water flow, the impurities, due to their low inertia, are difficult to escape from the low-pressure zone and are eventually "captured" directly below the connecting cylinder 19. This allows the liquid to more comprehensively capture all undissolved modifier particles during circulation.

[0043] Spraying is then performed. During this time, the rotary tiller moves, and the hydraulic pump 21 is activated. The inlet of the hydraulic pump 21 draws out the mixed amendment from the bottom of the tank 1 and delivers it to the hollow strip 24 through the outlet. Multiple atomizing nozzles 26 installed at the lower end of the hollow strip 24 spray the mixed amendment evenly. During this process, the output shaft of the drive motor 3 drives the cam 4 to rotate. The cam 4 contacts the round-headed abutment rod on the left side of the first piston plate 16 inside the first piston cylinder 6, and, in conjunction with the spring 15, causes the first piston plate 16 to slide left and right. The first piston plate 16, through the fixed column 37, drives the second piston plate 36 inside the second piston cylinder 8 to slide left and right. When the second piston plate 36 moves left and right, the connecting pipe 9, in conjunction with hydraulic pressure, causes the third piston plate 35 inside the third piston cylinder 28 to reciprocate up and down. The third piston plate 35 drives the piston rod 29 and the sliding plate 30 to vibrate up and down. As the rotary tiller moves, soil is shoveled into the U-shaped frame 12. Later soil entering pushes the original soil from the right, and combined with the shaking action of the sliding plate 30, the soil within the U-shaped frame 12 continuously vibrates and moves to the right, using inertia to collide with the impact plate 13 and break up. Simultaneously, the soil vibration disperses as it passes below the atomizing nozzle 26, allowing for more comprehensive contact with the atomized soil conditioner.

[0044] It is worth mentioning that when mixing the amendment and water, the electric valve in the second branch pipe 23 is opened and the solenoid valve in the first branch pipe 22 is closed. During the left and right movement of the first piston plate 16, outside air enters the right side space of the first piston cylinder 6 through the one-way port 7 (the internal one-way valve allows air to flow into the first piston cylinder 6 from the outside in one direction), and then enters the bottom of the tank 1 through the one-way pipe 10 and the second branch pipe 23, promoting water flow and improving the mixing effect by causing air bubbles to rise.

[0045] During subsequent spraying (keeping the drive motor 3 running continuously to avoid uneven liquid concentration), open the electric valve in the first branch pipe 22 and close the solenoid valve in the second branch pipe 23. At this time, the unidirectional airflow generated by the left and right movement of the first piston plate 16 enters the outlet of the liquid pump 21 through the unidirectional pipe 10 and the first branch pipe 22, increasing the pressure during spraying and promoting the atomizing nozzle 26 to atomize and spray the water, thereby improving the spraying effect.

[0046] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. An auxiliary device for improving saline-alkali land in agriculture, characterized in that, include: Tank (1), with a mounting bracket (2) fixedly connected to the left side of the tank (1), and a feeding port provided at the upper end of the tank (1); A mixing assembly includes a drive motor (3) mounted on the upper end of a tank (1). The output shaft of the drive motor (3) extends into the tank (1) and is fixedly connected to a rotating shaft (5). A connecting cylinder (19) is provided inside the tank (1). The outer side of the connecting cylinder (19) is fixedly connected to the inner wall of the tank (1) via multiple connecting rods (18). The lower end of the rotating shaft (5) passes through the connecting cylinder (19). A spiral blade (20) is fixedly connected to the outer side of the rotating shaft (5) through the connecting cylinder (19). A rotating cylinder (32) is fixedly connected to the outer side of the rotating shaft (5). A conical cylinder (33) is fixedly connected to the lower end of the rotating cylinder (32). Multiple separation holes are provided on the inner wall of the conical cylinder (33). A crushing column (34) is fixedly connected to the outer side of the upper end of the connecting cylinder (19). The crushing column (34) is composed of two frustums. The distance between the lower part of the side wall of the crushing column (34) and the inner wall of the conical cylinder (33) decreases from top to bottom. Multiple stirring blades (31) are fixedly connected to the outer side of the lower end of the rotating shaft (5). A spraying assembly for uniformly spraying out the mixed modifier; An auxiliary component, which works in conjunction with the spraying component, is used to improve the overall contact between the amendment and the soil.

2. The agricultural saline-alkali land improvement auxiliary device according to claim 1, characterized in that, The spraying assembly includes a connecting plate (11) fixedly connected to the left side of the tank (1). A U-shaped frame (12) is fixedly connected to the lower end of the connecting plate (11). An impact plate (13) is fixedly connected to the inner top of the U-shaped frame (12). A rectangular groove (25) is opened at the lower end of the right side of the impact plate (13). A hollow strip (24) is fixedly connected to the inner top of the rectangular groove (25). A plurality of atomizing nozzles (26) are installed at the lower end of the hollow strip (24).

3. The agricultural saline-alkali land improvement auxiliary device according to claim 2, characterized in that, A liquid pump (21) is installed at the lower end of the tank (1). The inlet end of the liquid pump (21) extends to the inner bottom of the tank (1), and the outlet end of the liquid pump (21) extends into the hollow strip (24).

4. The agricultural saline-alkali land improvement auxiliary device according to claim 1, characterized in that, The auxiliary component includes a first piston cylinder (6) fixedly connected to the upper end of the tank (1). A first piston plate (16) that can slide left and right is provided inside the first piston cylinder (6). The right side of the first piston plate (16) is elastically connected to the right inner wall of the first piston cylinder (6) through a spring (15). A second piston cylinder (8) is fixedly connected to the right side of the first piston cylinder (6). A second piston plate (36) that can slide left and right is provided inside the second piston cylinder (8). A fixing post (37) is fixedly connected to the left side of the second piston plate (36). The first piston cylinder (6) and the second piston cylinder (8) are connected through a round opening. The left end of the fixing post (37) passes through the round opening and is fixedly connected to the right side of the first piston plate (16).

5. The agricultural saline-alkali land improvement auxiliary device according to claim 4, characterized in that, A round-headed abutment is fixedly connected to the left side of the first piston plate (16), and a cam (4) is fixedly connected to the output shaft of the drive motor (3). The cam (4) contacts the left end of the round-headed abutment.

6. The agricultural saline-alkali land improvement auxiliary device according to claim 4, characterized in that, An inclined guide port (14) is provided on the left side of the lower part of the spiral frame (12). A sliding groove (27) is provided at the bottom of the spiral frame (12). A third piston cylinder (28) is fixedly connected to the bottom of the sliding groove (27). A third piston plate (35) that can slide up and down is provided inside the third piston cylinder (28). A piston rod (29) is fixedly connected to the upper end of the third piston plate (35). The upper end of the piston rod (29) passes through the third piston cylinder (28) and is fixedly connected to a sliding plate (30). The sliding plate (30) is slidably connected to the sliding groove (27). The bottom space of the third piston cylinder (28) is connected to the right side space of the second piston cylinder (8) through a connecting pipe (9).

7. The agricultural saline-alkali land improvement auxiliary device according to claim 1, characterized in that, The right side space of the first piston cylinder (6) is provided with a one-way port (7), and the right side space of the first piston cylinder (6) is connected to a one-way pipe (10). Both the one-way pipe (10) and the one-way port (7) are equipped with one-way valves.

8. The agricultural saline-alkali land improvement auxiliary device according to claim 7, characterized in that, The other end of the one-way pipe (10) is connected to a first branch pipe (22) and a second branch pipe (23). The other end of the first branch pipe (22) is connected to the liquid outlet of the liquid pump (21), and the other end of the second branch pipe (23) is connected to the bottom of the tank (1). Solenoid valves are installed inside both the first branch pipe (22) and the second branch pipe (23).

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