Spreading device for repairing saline-alkali soil by using fly ash

By designing a fly ash spreading device with mixing and rotating components, the full mixing of fly ash and soil and the simultaneous spreading of multiple materials are achieved, solving the problems of low mixing efficiency and complex operation of existing devices, improving the efficiency of saline-alkali land restoration and simplifying the operation process.

CN223993920UActive Publication Date: 2026-03-17BEIFANG UNIV OF NATITIES
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-17
Publication Date
2026-03-17

AI Technical Summary

Technical Problem

Existing fly ash spreading devices cannot fully mix soil and fly ash during the spreading process, and cannot process multiple materials at the same time, resulting in low remediation efficiency and complicated operation.

Method used

A device comprising a mixing component, a rotating component, and an adjusting mechanism was designed. The device achieves mixing of fly ash and soil through a spiral plate and an L-shaped shovel, while a sliding component adjusts the size of the discharge port and a leveling component automatically fills the soil, thus realizing the mixing and uniform spreading of multiple materials.

Benefits of technology

It improves the efficiency and effectiveness of fly ash in remediating saline-alkali land, simplifies the operation process, reduces manual intervention, and lowers labor costs.

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Abstract

The utility model relates to the technical field of saline-alkali soil restoration, in particular to a spreading device for restoring saline-alkali soil by utilizing fly ash, which comprises two rollers, a connecting rod and a support frame, and further comprises a controller, a spreading mechanism, an adjusting mechanism and a mixing mechanism, the adjusting mechanism comprises a sliding plate, two sliding assemblies and two rotating assemblies, the mixing mechanism comprises a side plate, a driving assembly, a rotating assembly and a leveling assembly, the stirring assembly comprises a first motor, a driving wheel, a driven wheel, a belt, a rotating rod and a spiral plate, and each sliding assembly comprises a fourth gear, a rack and a rotating shaft. Each rotating assembly comprises a ratchet wheel, a crank, a pawl, a pressing plate, an abutting block and a hinged shaft, according to the paving and scattering device for repairing the saline-alkali soil through the coal ash, paving and scattering work can be carried out after multiple added materials are mixed at the same time, soil and the mixed materials are mixed while paving and scattering are carried out, and land bulldozing is carried out.
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Description

Technical Field

[0001] This utility model relates to the field of saline-alkali land remediation technology, specifically to a spreading device for remediating saline-alkali land using fly ash. Background Technology

[0002] The effects of fly ash on saline-alkali land are mainly reflected in improving soil structure, enhancing soil fertility, reducing salinity and alkalinity, lowering costs, and providing environmental benefits. Fly ash is a sandy substance; when applied to clay, it improves the soil's physical structure, enhances aeration and permeability, and is beneficial to crop root growth and development as well as soil microbial activity. Fly ash contains potassium and phosphorus, which have certain fertilizing effects on crops, and also contains many trace elements beneficial to crop growth. Applying it to farmland increases nutrients and improves soil fertility. Furthermore, fly ash is weakly alkaline, which can neutralize soil acidity, and its sandy properties are beneficial for improving saline-alkali land, significantly reducing soil salinity.

[0003] Existing fly ash spreading devices have the following shortcomings:

[0004] 1. Most existing spreading devices cannot fully mix the soil and fly ash to be remediated during the spreading process. After spreading, the soil and fly ash of saline-alkali land need to be mixed manually again, which reduces the remediation effect and efficiency.

[0005] 2. Most existing spreading devices can only spread one type of material at a time, and most cannot mix multiple materials before spreading. In most cases, multiple additives need to be mixed manually before the spreading device can be used, which reduces the repair efficiency and makes the operation complicated and cumbersome. Utility Model Content

[0006] The purpose of this invention is to provide a spreading device for restoring saline-alkali land using fly ash.

[0007] To achieve this objective, the present invention adopts the following technical solution:

[0008] A spreading device for remediating saline-alkali land using fly ash is provided, comprising two rollers, a connecting rod and a support frame. The two rollers are respectively rotatably mounted at both ends of the connecting rod, and the support frame is fixedly mounted on the outer wall of the connecting rod.

[0009] It also includes a controller, a spreading mechanism, a regulating mechanism, and a mixing mechanism;

[0010] The spreading mechanism is mounted on a support frame. The spreading mechanism includes a placement chamber and a mixing component. The placement chamber is fixed on the support frame by a support plate, and the mixing component is mounted on the placement chamber.

[0011] The adjustment mechanism is located on the placement chamber. The adjustment mechanism includes a sliding plate, two sliding components and two rotating components. The bottom of the placement chamber is provided with a discharge port. The sliding plate is slidably located on the discharge port. The two sliding components are symmetrically arranged, and the two rotating components are symmetrically arranged on the outer walls at both ends of the placement chamber.

[0012] The mixing mechanism is mounted on the support frame and includes a side plate, a drive assembly, a rotating assembly, and a leveling assembly. The drive assembly is located between the support frame and the rotating assembly. The side plate is fixedly mounted on the support frame. The rotating assembly is located between the support frame and the side plate. The leveling assembly is located at one end of the support frame. The drive assembly, the leveling assembly, and the mixing assembly are all electrically connected to the controller.

[0013] Preferably, the stirring assembly includes a first motor, a driving wheel, a driven wheel, a belt, a rotating rod, and a spiral plate. The first motor is fixed on the support frame via a connecting plate. The driving wheel is fixed on the output end of the first motor. The rotating rod is rotatably mounted on the placement chamber. The driven wheel is fixed on one end of the rotating rod. The belt is sleeved between the driving wheel and the driven wheel. The spiral plate is fixed on the outer wall of the rotating rod. The first motor is electrically connected to the controller.

[0014] Preferably, each sliding component includes a fourth gear, a rack, and a rotating shaft. The rack is fixedly mounted on the slide plate, the rotating shaft is rotatably mounted on the placement chamber, and the fourth gear is fixedly mounted on one end of the rotating shaft and meshes with the rack.

[0015] Preferably, each rotating assembly includes a ratchet, a crank, a pawl, a pressure plate, a pressing block, and a hinge shaft. The ratchet is fixedly mounted on the other end of the rotating shaft, the crank is fixedly mounted on the rotating shaft, the pawl is rotatably mounted on the outer wall of the placement chamber, the pressure plate is fixedly mounted on the outer wall of the pawl, the outer wall of the placement chamber is provided with a mounting hole, the hinge shaft is rotatably mounted on the mounting hole, a torsion spring is sleeved on the outer wall of the hinge shaft, the end of the torsion spring away from the hinge shaft abuts against the inner wall of the mounting hole, and the pressing block is fixedly mounted on the hinge shaft.

[0016] Preferably, the drive assembly includes a second motor, a first gear, a second gear, a third gear, and a rotating plate. The second motor is fixedly mounted on the support frame, the first gear is fixedly mounted on the output end of the second motor, the second gear and the third gear are both rotatably mounted on the outer wall of the connecting plate, and the first gear meshes with the second gear, the second gear meshes with the second gear, one end of the rotating plate is fixedly mounted on the third gear, and the second motor is electrically connected to the controller.

[0017] Preferably, the rotating assembly includes a rotating rod, a timing belt, a transmission rod, an arc-shaped slider, two timing pulleys, and several L-shaped shovels. The rotating rod is located between the rotating plate and the side plate, and one end of the rotating rod is fixedly connected to the other end of the rotating plate. One timing pulley is fixedly located at the other end of the rotating rod, and the other timing pulley is fixedly located at the other end of the rotating rod. The timing belt is sleeved between the two timing pulleys. The transmission rod is rotatably mounted on the arc-shaped slider, and the end of the transmission rod away from the arc-shaped slider is fixedly connected to the rotating rod. The transmission rod is also fixedly connected to one of the timing pulleys near the rotating rod. An arc-shaped groove is provided on the side plate for the arc-shaped slider to slide. Several L-shaped shovels are evenly spaced on the outer wall of the rotating rod.

[0018] Preferably, the leveling assembly includes a push plate, a cylinder, a slider, a slide bar, a slide rail, and an L-shaped block. The cylinder is fixedly mounted on the support frame, the L-shaped block is fixedly mounted on the output end of the cylinder, the slide rail is fixedly mounted on the outer wall of the side plate, the slider is slidably mounted on the slide rail, the slide bar is fixedly mounted on the slider, the push plate is fixedly mounted between the slide bar and the L-shaped block, and the cylinder is electrically connected to the controller.

[0019] Preferably, a connecting ring is fixedly provided at one end of the support frame, and a cover is rotatably provided on the top of the storage compartment, with a handle fixedly provided on the cover.

[0020] The beneficial effects of this utility model are:

[0021] 1. This utility model, through the design of a rotating component, achieves thorough mixing of the soil to be repaired and the fly ash while the fly ash is being spread. Several L-shaped shovels simultaneously scoop up the soil and turn it over while the fly ash is being spread, ensuring that the fly ash and the saline-alkali soil are fully mixed. This eliminates the need for manual remixing of the soil and fly ash afterward, thereby improving the efficiency and effectiveness of saline-alkali land restoration.

[0022] 2. This utility model incorporates a mixing component, enabling the device to fully mix various additives before spreading, eliminating the need for manual mixing. This simplifies operation, improves repair efficiency and effectiveness.

[0023] 3. This utility model, through the design of an adjustment mechanism, including a sliding plate, two sliding components, and two rotating components, can drive the sliding plate to slide horizontally within the discharge port through the sliding components and the two rotating components, thereby adjusting the size of the discharge port and achieving the effect of adjusting the amount of fly ash spread. This meets the remediation requirements of soils with different salinity and alkalinity levels, and improves the flexibility and practicality of the device.

[0024] 4. This utility model, through the design of a cylinder and a pusher plate, allows for the uniform mixing of fly ash and shoveled saline-alkali soil, followed by leveling the mixture using the pusher plate to achieve backfilling. This eliminates the need for workers to backfill the soil later, saving labor costs. Attached Figure Description

[0025] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings of the embodiments of the present invention will be briefly described below.

[0026] Figure 1 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 1 ;

[0027] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0028] Figure 3 This is a planar sectional view of the present invention;

[0029] Figure 4 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 2 ;

[0030] Figure 5 for Figure 4 Enlarged view of point B in the middle;

[0031] Figure 6 This is a schematic diagram of the cross-sectional three-dimensional structure of the present invention. Figure 1 ;

[0032] Figure 7 for Figure 6 Enlarged view of point C in the middle;

[0033] Figure 8 This is a schematic diagram of the cross-sectional three-dimensional structure of the present invention. Figure 2 ;

[0034] The attached figures are labeled as follows: 1. Roller; 2. Connecting rod; 3. Support frame; 4. Storage compartment; 5. Support plate; 6. Slide plate; 7. Side plate; 8. First motor; 9. Drive wheel; 10. Driven wheel; 11. Belt; 12. Rotating rod; 13. Spiral plate; 14. Connecting plate; 15. Fourth gear; 16. Rack; 17. Rotating shaft; 18. Ratchet; 19. Crank handle; 20. Pawl; 21. Pressure plate; 22. Pressing block; 23. Hinge 24. Connecting shaft; 25. Second motor; 26. First gear; 27. Second gear; 28. Third gear; 29. ​​Rotating plate; 30. Rotating rod; 31. Synchronous belt; 32. Transmission rod; 33. Arc-shaped slider; 34. Synchronous pulley; 35. L-shaped shovel; 36. Arc-shaped groove; 37. Push plate; 38. Cylinder; 39. Slider; 40. Slide rail; 41. L-shaped block; 42. Connecting ring; 43. Compartment cover; 44. Handle. Detailed Implementation

[0035] The technical solution of the present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0036] The accompanying drawings are for illustrative purposes only and are schematic diagrams, not actual images. They should not be construed as limiting the scope of this patent. To better illustrate the embodiments of the present invention, some parts in the drawings may be omitted, enlarged, or reduced, and do not represent the actual dimensions of the product.

[0037] Reference Figures 1 to 8 As shown, a spreading device for restoring saline-alkali land using fly ash includes two rollers 1, a connecting rod 2, and a support frame 3. The two rollers 1 are respectively rotatably mounted at both ends of the connecting rod 2, and the support frame 3 is fixedly mounted on the outer wall of the connecting rod 2.

[0038] It also includes a controller, a spreading mechanism, a regulating mechanism, and a mixing mechanism;

[0039] The spreading mechanism is mounted on the support frame 3. The spreading mechanism includes a placement chamber 4 and a mixing component. The placement chamber 4 is fixedly mounted on the support frame 3 by a support plate 5, and the mixing component is mounted on the placement chamber 4.

[0040] The adjustment mechanism is located on the placement chamber 4. The adjustment mechanism includes a sliding plate 6, two sliding components and two rotating components. The bottom of the placement chamber 4 is provided with a discharge port. The sliding plate is slidably located on the discharge port. The two sliding components are symmetrically arranged, and the two rotating components are symmetrically arranged on the outer walls at both ends of the placement chamber 4.

[0041] The mixing mechanism is mounted on the support frame 3. The mixing mechanism includes a side plate 7, a drive assembly, a rotating assembly, and a leveling assembly. The drive assembly is located between the support frame 3 and the rotating assembly. The side plate 7 is fixedly mounted on the support frame 3. The rotating assembly is located between the support frame 3 and the side plate 7. The leveling assembly is located at one end of the support frame 3. The drive assembly, the leveling assembly, and the mixing assembly are all electrically connected to the controller.

[0042] Reference Figures 1 to 8As shown, the mixing assembly includes a first motor 8, a driving wheel 9, a driven wheel 10, a belt 11, a rotating rod 12, and a spiral plate 13. The first motor 8 is fixed to the support frame 3 via a connecting plate 14. The driving wheel 9 is fixed to the output end of the first motor 8. The rotating rod 12 is rotatably mounted on the placement bin 4. The driven wheel 10 is fixed to one end of the rotating rod 12. The belt 11 is sleeved between the driving wheel 9 and the driven wheel 10. The spiral plate 13 is fixed to the outer wall of the rotating rod 12. The first motor 8 is electrically connected to the controller. After adjusting the fly ash feeding amount, the worker starts the first motor 8 via the controller and then starts the spreading vehicle for spreading. Since the driving wheel 9 is fixedly connected to the output end of the first motor 8, and the driven wheel 10 is fixedly connected to one end of the rotating rod 12, the driving wheel 9 and the driven wheel 10 are connected by the belt 11, causing the output end of the first motor 8 to rotate, which in turn drives the rotating rod 12 to rotate. The spiral plate 13 is fixedly connected to the rotating rod 12, so that the rotation of the rotating rod 12 can drive the spiral plate 13 to rotate, thereby realizing the mixing of fly ash and preventing the fly ash from clogging the discharge port due to excessive moisture content. At the same time, if it is necessary to add repair materials to the fly ash, the spiral plate 13 can fully mix the repair materials and fly ash before spreading them, which improves the repair effect. Since the rotating rod 12 is rotatably connected to the placement bin 4, one synchronous wheel 33 is fixedly connected to the other end of the rotating rod 12, and the other synchronous wheel 33 is fixedly connected to the rotating rod 29. The two synchronous wheels 33 are connected by a synchronous belt 30, so that the rotation of the rotating rod 12 drives the rotating rod 29 to rotate simultaneously. As a result, several L-shaped shovels 34 on the rotating rod 29 rotate simultaneously, shoveling up the saline-alkali soil. Then, after the fly ash is mixed and falls to the ground, it is evenly mixed with the shoveled saline-alkali soil, which is more conducive to the repair of saline-alkali land.

[0043] Reference Figures 1 to 8 As shown, each sliding component includes a fourth gear 15, a rack 16, and a rotating shaft 17. The rack 16 is fixedly mounted on the slide plate 6, and the rotating shaft 17 is rotatably mounted on the placement chamber 4. The fourth gear 15 is fixedly mounted on one end of the rotating shaft 17, and the fourth gear 15 is meshed with the rack 16. When the rotating shaft 17 drives the ratchet 18 to rotate, since the rotating shaft 17 is rotatably connected to the placement chamber 4, and both the fourth gear 15 and the ratchet 18 are fixedly connected to the rotating shaft 17, the rotation of the rotating shaft 17 drives the fourth gear 15 to rotate. The rack 16 is fixedly connected to the slide plate 6, and the fourth gear 15 is meshed with the rack 16. When the fourth gear 15 rotates, it drives the slide plate 6 to slide horizontally in the placement chamber 4, thereby adjusting the size of the discharge port and thus adjusting the amount of fly ash discharged to meet the restoration needs of saline-alkali land of different degrees. It should be noted that turning the crank handle 19 counterclockwise pushes the slide plate 6 towards the end closer to the placement chamber 4, thereby reducing the discharge port and reducing the amount of fly ash discharged, while turning the crank handle 19 clockwise does the opposite.

[0044] Reference Figures 1 to 8 As shown, each rotating assembly includes a ratchet 18, a crank handle 19, a pawl 20, a pressure plate 21, a pressing block 22, and a hinge shaft 23. The ratchet 18 is fixedly mounted on the other end of the rotating shaft 17, the crank handle 19 is fixedly mounted on the rotating shaft 17, the pawl 20 is rotatably mounted on the outer wall of the placement chamber 4, the pressure plate 21 is fixedly mounted on the outer wall of the pawl 20, the outer wall of the placement chamber 4 has a mounting hole, the hinge shaft 23 is rotatably mounted on the mounting hole, a torsion spring is sleeved on the outer wall of the hinge shaft 23, the end of the torsion spring away from the hinge shaft 23 abuts against the inner wall of the mounting hole, and the pressing block 22 is fixedly mounted on the hinge shaft 23. When the worker disconnects the electric cylinder 37 via the controller, the worker simultaneously presses the pressure plate 21 and then rotates both crank handles 19. Since the crank handles 19 are fixedly connected to the rotating shaft 17, the crank handles 19 move... The rotating shaft 17 rotates, thereby driving the ratchet 18 to rotate clockwise. It should be noted that because a torsion spring is designed on the outer wall of the hinge shaft 23, the end of the torsion spring away from the hinge shaft 23 abuts against the inner wall of the mounting hole. The pressure block 22 is fixedly connected to the hinge shaft 23, so the pressure block always abuts against the pawl 20 through the torsion spring. Since the pawl 20 is engaged with the ratchet 18, when the worker turns the crank handle 19 clockwise, the worker needs to press both pressure plates 21 at the same time to turn the rotating shaft 17 and release the two pressure blocks from the pawl 20 so that the ratchet 18 can rotate. When the worker turns the crank handle 19 counterclockwise, the torsion spring deforms from its initial state, so that the pressure block automatically rotates counterclockwise along the hinge shaft 23, so that the ratchet 18 can rotate automatically counterclockwise without the worker needing to press the pressure plates 21.

[0045] Reference Figures 1 to 8 As shown, the drive assembly includes a second motor 24, a first gear 25, a second gear 26, a third gear 27, and a rotating plate 28. The second motor 24 is fixedly mounted on the support frame 3. The first gear 25 is fixedly mounted on the output end of the second motor 24. The second gear 26 and the third gear 27 are both rotatably mounted on the outer wall of the connecting plate 14, and the first gear 25 is meshed with the second gear 26, and the second gear 26 is meshed with the second gear 27. One end of the rotating plate 28 is fixedly mounted on the third gear 27. The second motor 24 is electrically connected to the controller. After the worker places the fly ash to be spread into the placement bin 4, the worker starts the second motor 24 through the controller. Since the first gear 25 is fixedly connected to the output end of the second motor 24, and the second gear 26 and the third gear 27 are both rotatably connected to the connecting plate 14, the first gear 25 is meshed with the second gear 26, and the second gear 26 is meshed with the third gear 27, and the rotating plate 28 is fixedly connected to the third gear 27, the rotating plate 28 rotates towards the end closer to the ground.

[0046] Reference Figures 1 to 8As shown, the rotating assembly includes a rotating rod 29, a timing belt 30, a connecting rod 2, an arc-shaped slider 32, two timing pulleys 33, and several L-shaped shovels 34. The rotating rod 29 is located between the rotating plate 28 and the side plate 7, and one end of the rotating rod 29 is fixedly connected to the other end of the rotating plate 28. One timing pulley 33 is fixedly located at the other end of the rotating rod 29, and the other timing pulley 33 is fixedly located at the other end of the rotating rod 12. The timing belt 30 is sleeved between the two timing pulleys 33. The connecting rod 2 is rotatably mounted on the arc-shaped slider 32. The end of the connecting rod 2 away from the arc-shaped slider 32 is fixedly connected to the rotating rod 29, and the connecting rod 2 is also fixedly connected to one of the synchronous pulleys 33 near the rotating rod 29. An arc-shaped groove 35 for the arc-shaped slider 32 to slide is provided on the side plate 7. Several L-shaped shovels 34 are evenly spaced on the outer wall of the rotating rod 29. When the second motor 24 drives the rotating plate 28 to rotate towards the end closer to the ground, since one end of the rotating rod 29 is fixedly connected to one end of the rotating plate 28, and the other end is fixedly connected to one of the synchronous belts 30, the arc-shaped slider 3... 2 is slidably connected to the side plate 7. One end of the connecting rod 2 is rotatably connected to the arc-shaped slider 32, and the other end is fixedly connected to the rotating rod 29. The synchronous belt 30 is sleeved with two synchronous pulleys 33. In addition, the connecting rod 2 is fixedly connected to one of the synchronous pulleys 33 near the rotating rod 29, so that the rotating plate 28 drives the rotating rod 29, one of the synchronous pulleys 33, the connecting rod 2, and the arc-shaped slider 32 to slide along the arc-shaped groove. Since several L-shaped shovels 34 are fixedly connected to the rotating rod 29, the rotating rod 12 simultaneously drives several L-shaped shovels. The rotation of motor 34 causes several L-shaped shovels 34 to contact the ground, turning the soil and ensuring that the fly ash is evenly mixed with the saline-alkali soil after spreading, which is more conducive to the restoration of saline-alkali land. By controlling the rotation angle of the second motor 24, the rotation amplitude of the rotating plate can be adjusted, thereby adjusting the contact depth between the several L-shaped shovels 34 and the ground, which is beneficial to adjusting the degree of mixing between fly ash and soil. After the worker adjusts the contact depth between the several L-shaped shovels 34 and the ground to the required depth, the worker cuts off the power to the second motor 24 through the controller.

[0047] Reference Figures 1 to 8As shown, the leveling assembly includes a push plate 36, a cylinder 37, a slider 38, a slide bar 39, a slide rail 40, and an L-shaped block 41. The cylinder 37 is fixedly mounted on the support frame 3, the L-shaped block 41 is fixedly mounted on the output end of the cylinder 37, the slide rail 40 is fixedly mounted on the outer wall of the side plate 7, the slider 38 is slidably mounted on the slide rail 40, the slide bar 39 is fixedly mounted on the slider 38, the push plate 36 is fixedly mounted between the slide bar 39 and the L-shaped block 41, and the cylinder 37 is electrically connected to the controller. When the worker disconnects the second motor 24 via the controller, the worker starts the cylinder 37 via the controller, causing the output end of the cylinder 37 to... Extending downwards, the slide rail 40 is fixedly connected to the side plate 7, the slide bar 39 is fixedly connected to the slider 38, the slider 38 is slidably connected to the slide rail 40, the L-shaped block 41 is fixedly connected to the output end of the cylinder 37, and the two ends of the push plate 36 are fixedly connected to the slide bar 39 and the L-shaped block 41 respectively, so that the output end of the cylinder 37 drives the push plate to descend vertically along the slide rail 40 until the push plate 36 descends and contacts the ground, and then the controller cuts off the electric cylinder 37, thereby leveling the soil produced when the saline-alkali soil is mixed with fly ash, achieving the effect of filling soil, and thus eliminating the need for subsequent manual filling of the saline-alkali land.

[0048] Reference Figures 1 to 8 As shown, a connecting ring 42 is fixedly provided at one end of the support frame 3, and a bin cover 43 is rotatably provided on the top of the placement bin 4, and a handle 44 is fixedly provided on the bin cover 43. When it is necessary to spread fly ash, the worker fixes the device to the spreading vehicle through the connecting ring 42, and then the worker pulls the handle 44 on the bin cover 43 to open it, places the fly ash and various mixed materials to be spread into the placement bin 4, and then closes the bin cover 43.

[0049] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A fly ash is utilized to repair saline-alkali soil spreading device, it includes two rollers (1), connecting rod (2) and support frame (3), two rollers (1) are respectively rotationally arranged at the both ends of connecting rod (2), support frame (3) is fixedly arranged on the outer wall of connecting rod (2), it is characterized in that: It further includes controller, spreading mechanism, adjusting mechanism and mixing mechanism; The spreading mechanism is arranged on the support frame (3), the spreading mechanism includes the placing bin (4) and the stirring assembly, the placing bin (4) is fixedly arranged on the support frame (3) through the supporting plate (5), the stirring assembly is arranged on the placing bin (4); The adjusting mechanism is arranged on the placing bin (4), the adjusting mechanism includes sliding plate (6), two sliding assemblies and two rotating assemblies, the bottom of the placing bin (4) is provided with a discharge port, the sliding plate is slidingly arranged on the discharge port, the two sliding assemblies are symmetrically arranged, and the two rotating assemblies are symmetrically arranged on the outer walls of the both ends of the placing bin (4); The mixing mechanism is arranged on the support frame (3), the mixing mechanism includes side plate (7), drive assembly, rotating assembly and leveling assembly, the drive assembly is arranged between the support frame (3) and the rotating assembly, the side plate (7) is fixedly arranged on the support frame (3), the rotating assembly is arranged between the support frame (3) and the side plate (7), the leveling assembly is arranged at one end of the support frame (3), and the drive assembly, the leveling assembly and the stirring assembly are electrically connected with the controller.

2. The spreading device for repairing saline-alkali soil with fly ash according to claim 1, characterized in that: The stirring assembly includes a first motor (8), a driving wheel (9), a driven wheel (10), a belt (11), a rotating rod (12) and a spiral plate (13), the first motor (8) is fixedly arranged on the support frame (3) through the connecting plate (14), the driving wheel (9) is fixedly arranged on the output end of the first motor (8), the rotating rod (12) is rotationally arranged on the placing bin (4), the driven wheel (10) is fixedly arranged on one end of the rotating rod (12), the belt (11) is sleeved between the driving wheel (9) and the driven wheel (10), the spiral plate (13) is fixedly arranged on the outer wall of the rotating rod (12), and the first motor (8) is electrically connected with the controller.

3. The spreading device for repairing saline-alkali soil with fly ash according to claim 2, characterized in that: Each sliding assembly includes a fourth gear (15), a rack (16) and a rotating shaft (17), the rack (16) is fixedly arranged on the sliding plate (6), the rotating shaft (17) is rotationally arranged on the placing bin (4), the fourth gear (15) is fixedly arranged on one end of the rotating shaft (17), and the fourth gear (15) is meshedly connected with the rack (16).

4. The spreading device for repairing saline-alkali soil with fly ash according to claim 3, characterized in that: Each rotating assembly includes a ratchet wheel (18), a crank (19), a pawl (20), a pressing plate (21), a pressing block (22) and a hinged shaft (23), the ratchet wheel (18) is fixedly arranged on the other end of the rotating shaft (17), the crank (19) is fixedly arranged on the rotating shaft (17), the pawl (20) is rotationally arranged on the outer wall of the placing bin (4), the pressing plate (21) is fixedly arranged on the outer wall of the pawl (20), the outer wall of the placing bin (4) is provided with a mounting hole, the hinged shaft (23) is rotationally arranged in the mounting hole, a torsional spring is sleeved on the outer wall of the hinged shaft (23), one end of the torsional spring away from the hinged shaft (23) abuts against the inner wall of the mounting hole, and the pressing block (22) is fixedly arranged on the hinged shaft (23).

5. The spreading device for repairing saline-alkali soil with fly ash according to claim 4, characterized in that: The driving assembly comprises a second motor (24), a first gear (25), a second gear (26), a third gear (27) and a rotating plate (28), the second motor (24) is fixedly arranged on the support frame (3), the first gear (25) is fixedly arranged on the output end of the second motor (24), the second gear (26) and the third gear (27) are both rotatably arranged on the outer wall of the connecting plate (14), the first gear (25) is in meshing connection with the second gear (26), the second gear (26) is in meshing connection with the second gear (26), one end of the rotating plate (28) is fixedly arranged on the third gear (27), and the second motor (24) is electrically connected with the controller.

6. The spreading device for repairing saline-alkali soil with fly ash according to claim 5, characterized in that: The rotating assembly comprises a rotating rod (29), a synchronous belt (30), a transmission rod (31), an arc-shaped sliding block (32), two synchronous wheels (33) and a plurality of L-shaped shovel rods (34), the rotating rod (29) is arranged between the rotating plate (28) and the side plate (7), one end of the rotating rod (29) is fixedly connected with the other end of the rotating plate (28), one of the two synchronous wheels (33) is fixedly arranged on the other end of the rotating rod (29), the other synchronous wheel (33) is fixedly arranged on the other end of the rotating rod (12), the synchronous belt (30) is sleeved between the two synchronous wheels (33), the transmission rod (31) is rotatably arranged on the arc-shaped sliding block (32), one end of the transmission rod (31) away from the arc-shaped sliding block (32) is fixedly connected with the rotating rod (29), the transmission rod (31) is fixedly connected with the synchronous wheel (33) close to the rotating rod (29), the side plate (7) is provided with an arc-shaped groove (35) for sliding of the arc-shaped sliding block (32), and the plurality of L-shaped shovel rods (34) are equidistantly arranged on the outer wall of the rotating rod (29).

7. The spreading device for repairing saline-alkali soil with fly ash according to claim 6, characterized in that: The leveling assembly comprises a pushing plate (36), a cylinder (37), a sliding block (38), a sliding bar (39), a sliding rail (40) and an L-shaped block (41), the cylinder (37) is fixedly arranged on the support frame (3), the L-shaped block (41) is fixedly arranged on the output end of the cylinder (37), the sliding rail (40) is fixedly arranged on the outer wall of the side plate (7), the sliding block (38) is slidably arranged on the sliding rail (40), the sliding bar (39) is fixedly arranged on the sliding block (38), the pushing plate (36) is fixedly arranged between the sliding bar (39) and the L-shaped block (41), and the cylinder (37) is electrically connected with the controller.

8. The spreading device for repairing saline-alkali soil with fly ash according to claim 7, characterized in that: One end of the support frame (3) is fixedly provided with a connecting ring (42), the top of the placing bin (4) is rotatably provided with a bin cover (43), and a handle (44) is fixedly arranged on the bin cover (43).