Crop mulch applicator with high flexibility

Abstract

The high-flexibility crop film mulching machine comprises a film mulching device, a driving device and a control device, the film mulching device comprises a supporting frame, a roll outlet assembly, a flattening assembly and a soil covering assembly, and the roll outlet assembly, the flattening assembly and the soil covering assembly are sequentially arranged at the bottom of the supporting frame. The driving device comprises a machine frame, a power assembly arranged on the machine frame and walking wheels arranged at the bottom of the machine frame, and the machine frame is movably connected with the supporting frame. The supporting frame can rotate in the vertical direction relative to the machine frame, so that the angle of the film covering device is adjusted, the overall position of the film covering device is adjusted, the film covering device is better attached to the ground, the situation that one side of the film covering device tilts is avoided, a rolling wheel in the flattening assembly can be tightly attached to the ground all the time, a film is better flattened, and the film covering efficiency is improved. And the film is covered with soil and compacted through the subsequent soil covering assembly, so that the film is laid more neatly and fixed more compactly, and crops in the film are better protected.

Description

Technical Field

[0001] The utility model relates to the technical field of farmland film covering equipment, in particular to a highly flexible crop film covering machine. Background Art

[0002] With the rapid development of agricultural technology, crop cultivation is becoming increasingly technical and sophisticated. Film mulching is a common crop cultivation technique. This involves covering the ground with a transparent plastic film, planting seeds beneath it and protecting the young crop seedlings. Once the temperature warms, the film is removed, allowing the seedlings to grow under normal conditions. This process not only protects seedlings from frostbite but also locks in fertilizer, preventing it from escaping and potentially hindering seedling growth. It is a crucial step in crop cultivation.

[0003] Currently, agricultural mulching can be performed through two methods: manual mulching and mechanical mulching. Manual mulching is inefficient, requiring three to four people to work together to cover one acre of land. This is time-consuming and labor-intensive, making it unsuitable for large-scale agricultural production. Currently, large-scale agricultural production is largely carried out through mechanized mulching, and a variety of mulching machines are available, offering high production efficiency and rapid operation, essentially replacing traditional manual operations.

[0004] Chinese patent CN115067131A discloses a light film covering machine for crop planting, which includes a frame, a movable steering part provided at the front of the frame, and a film covering part provided at the rear of the frame. The movable steering part includes two wheels relatively mounted on both sides of the frame, a driving mechanism for driving the two wheels to rotate, and a manual steering mechanism for driving the two wheels to steer. The film covering part includes a soil turning mechanism, a film covering mechanism, a film pressing mechanism, and a soil covering mechanism arranged in sequence from front to rear on the frame. The beneficial effects of the present invention are that the present invention has a simple structure, is easy and labor-saving to operate, covers the film smoothly, reduces the labor intensity of the operator, and improves labor efficiency.

[0005] However, this type of film laminating machine still has certain problems. Because the surface of farmland is always undulating, even after leveling, there will still be unevenness in the ridges. In existing film laminating machines, the film laminating mechanism, film pressing mechanism, and soil covering mechanism are all fixed. When facing uneven ground, the film pressing mechanism may tilt on one side and cannot always adhere to the soil surface. This makes it difficult to press the film tightly onto the ground, resulting in the subsequent problems of uncompacted soil and loose film fixation. Utility Model Content

[0006] In response to the deficiencies in the prior art, the utility model provides a highly flexible crop film covering machine, which solves the problem in the prior art that it is difficult to press the film tightly flat on the ground, resulting in subsequent problems such as uncompacted covering soil and loose film fixation.

[0007] According to an embodiment of the present utility model, a highly flexible crop film mulching machine comprises a film mulching device, a driving device and a control device, wherein the driving device is connected to the film mulching device and the control device respectively;

[0008] The film covering device includes a support frame and a roll-out assembly, a flattening assembly and a soil covering assembly arranged in sequence at the bottom of the support frame, the roll-out assembly includes a horizontally arranged roller, the flattening assembly includes two symmetrically arranged roller wheels, the rotating shafts of the roller wheels are parallel to the roller shafts and the roller wheels are arranged at both ends of the roller shafts, the roller wheels are elastically connected to the support frame so that the roller wheels are always subjected to downward pressure, the soil covering assembly includes two symmetrically arranged soil covering plows, and the soil covering plows are arranged at positions corresponding to the roller wheels;

[0009] The driving device includes a frame, a power assembly arranged on the frame, and a walking wheel arranged at the bottom of the frame, wherein the walking wheel is parallel to the rotating axis of the roller, and the power assembly drives the walking wheel to rotate; the frame is movably connected to the support frame, so that the support frame can rotate in the vertical direction relative to the frame, thereby adjusting the angle of the laminating device;

[0010] The control device includes an armrest and a controller. The armrest is connected to the frame, and the operation of the power assembly is controlled by the controller.

[0011] Furthermore, the frame includes a horizontally arranged mounting plate and a vertically arranged fixed plate at one end of the mounting plate, the support frame is a horizontally arranged rectangular frame structure, and the side of the support frame close to one side of the frame is a vertically arranged connecting frame, the connecting frame includes two parallel vertical sections and two parallel horizontal sections, and are surrounded to form a hollow rectangular structure, a connecting plate is provided in the middle of the connecting frame, and the center position of the connecting plate is rotatably connected to the fixed plate, so that the connecting frame can rotate in the vertical direction and drive the entire frame to rotate.

[0012] Furthermore, two vertical limit rods are provided on one side of the fixing plate close to the connecting frame. The limit rods are symmetrical with respect to the connecting plate. There is a gap between the limit rods and the fixing plate, and the width of the gap corresponds to the thickness of the connecting frame.

[0013] A blocking block is provided in the gap to connect the limiting rod and the fixed plate. Each limiting rod is provided with two blocking blocks distributed upper and lower, and the maximum distance between the two blocking blocks is smaller than the distance between the two horizontal sections of the connecting frame. The length of the limiting rod is not smaller than the distance between the two horizontal sections of the connecting frame, so that the connecting frame can only rotate in the limiting area of the blocking block.

[0014] Furthermore, movable parts are symmetrically arranged at both ends of the connecting frame, and the movable parts include a first set of rods arranged vertically and two telescopic rods arranged in parallel at both ends of the first set of rods. The horizontal section of the connecting frame is a hollow structure with openings at both ends, and the telescopic rods are movably inserted into the interior from the end of the horizontal section.

[0015] Furthermore, the first set of rods is a hollow structure with openings at both ends. A first movable rod is provided inside the first set of rods. The first movable rod can move in a vertical direction along the first set of rods, and both ends of the roller are rotatably connected to the first movable rod respectively.

[0016] Furthermore, a connecting piece is provided at the bottom of the first movable rod, and the connecting piece is detachably fixedly connected to the roller.

[0017] Furthermore, vertical second sets of rods are symmetrically arranged on the edges of both sides of one end of the support frame away from the driving device. The second sets of rods are hollow structures with openings at both ends. A second movable rod is also arranged inside the second sets of rods. The second movable rod can move in the vertical direction along the second sets of rods, and the soil covering plow is installed at the bottom end of the second movable rod.

[0018] Furthermore, the armrest is a structure that is inclined and bifurcated toward both sides, and a handle is provided at the end of the armrest to facilitate support with both hands, and the controller is provided at the handle.

[0019] Furthermore, the rolling wheel is provided with a protruding section, a corrugated section and an inclined section in sequence along the axial direction from the outside to the inside. The protruding section is protruding with an arc-shaped tip on the outer side, the corrugated section is a wavy and uneven structure, and the diameter of the inclined section gradually decreases from the outside to the inside.

[0020] Furthermore, a support rod is provided between the rolling wheel and the support frame, one end of the support rod is rotatably connected to the top of the support frame on the side close to the driving device, and is inclined toward the lower middle position of the support frame. A spring is also connected to the middle of the support rod, and the other end of the spring is fixedly connected to the bottom of the support frame on the side close to the driving device, and the spring is always in a stretched state, applying a pulling force to the support rod to rotate downward.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] 1. In the present invention, the frame is movably connected to the support frame, so that the support frame can rotate relative to the frame in the vertical direction, thereby adjusting the angle of the film covering device. Therefore, when walking on uneven ridges, if the height of the ground on which the film covering device and the driving device are located is inconsistent, the support frame will rotate relative to the frame, thereby adjusting the overall position of the film covering device to make it better attached to the ground without tilting on one side, so that the roller in the flattening assembly can always be close to the ground, flattening the film better, and covering it with soil through the subsequent covering assembly to compact it, so that the film is laid more neatly and fixed more tightly, thereby better protecting the crops inside;

[0023] 2. The roller wheel and the support frame in the utility model are elastically connected, so that the roller wheel is always under downward pressure. Therefore, no matter what state the laminating device is in or whether the heights of the two sides from the ground are the same, the roller wheel can stably contact the ground and better play the role of flattening the film. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a side view schematic diagram of an embodiment of the present utility model.

[0025] Figure 2 This is a front view of the fixing plate and the connecting frame in an embodiment of the present utility model.

[0026] Figure 3 It is a cross-sectional schematic diagram of the limiting rods and blocking blocks corresponding to the fixed plate and the connecting frame in an embodiment of the present utility model.

[0027] Figure 4 This is a schematic diagram of the middle roller pressure wheel in an embodiment of the present utility model.

[0028] In the above drawings: 1. Support frame; 2. Roller; 3. Roller wheel; 4. Soil covering plow; 5. Frame; 6. Power assembly; 7. Travel wheel; 8. Handrail; 11. Connecting frame; 12. Movable part; 13. Connecting plate; 21. First movable rod; 22. Connecting part; 31. Support rod; 32. Spring; 33. Protruding section; 34. Corrugated section; 35. Inclined section; 41. Second movable rod; 42. Second set of rods; 51. Fixed plate; 52. Limit rod; 53. Stop block. DETAILED DESCRIPTION

[0029] The technical solution of the present invention is further described below with reference to the accompanying drawings and embodiments.

[0030] like Figure 1As shown, the present invention provides a highly flexible crop mulching machine, comprising a mulching device, a driving device, and a control device, wherein the driving device is connected to the mulching device and the control device respectively. The mulching device includes a support frame 1, and the driving device includes a frame 5, which are connected to form an integral support structure.

[0031] Specifically, the film coating device also includes a roll-out assembly, a flattening assembly, and a soil covering assembly, which are sequentially arranged at the bottom of the support frame 1. The roll-out assembly includes a horizontally arranged roller 2, on which a rolled film is sleeved. The film is unrolled on the ground to form a film coating structure. The flattening assembly includes two symmetrically arranged rollers 3. The rotating axes of the rollers 3 are parallel to the rollers 2, and the rollers 3 are arranged at both ends of the rollers 2. That is, the rollers 3 just pass over the two sides of the film covering the ground, flattening the edges of the film on the soil to prevent it from folding or floating. The rollers 3 are elastically connected to the support frame 1 so that the rollers 3 are always under downward pressure. The soil covering assembly includes two symmetrically arranged soil covering plows 4. The soil covering plows 4 are arranged corresponding to the positions of the rollers 3. The soil covering plows 4 are located at the end. When they pass through the soil, they plow the soil on both sides inward, so that part of the soil covers the edges of the film flattened by the rollers 3, achieving compaction and fixation.

[0032] Preferably, a support rod 31 is provided between the roller 3 and the support frame 1. One end of the support rod 31 is rotatably connected to the top of the support frame 1 on the side close to the drive device and is inclined toward the lower middle position of the support frame 1. A spring 32 is also connected to the middle of the support rod 31. The other end of the spring 32 is fixedly connected to the bottom of the support frame 1 on the side close to the drive device. The spring 32 is always in a stretched state, exerting a downward rotational force on the support rod 31. That is, the roller 3 can stably contact the ground under any circumstances, better performing the function of flattening the film.

[0033] The driving device also includes a power assembly 6 disposed on the frame 5 and a running wheel 7 disposed at the bottom of the frame 5. The running wheel 7 is parallel to the rotation axis of the roller 2. The power assembly 6 drives the running wheel 7 to rotate. In this embodiment, the power assembly 6 adopts a diesel engine and drives the running wheel 7 to rotate and move through a set of transmission gearboxes.

[0034] The control device includes a handrail 8 and a controller. The handrail 8 is connected to the frame 5 and controls the operation of the power assembly 6 through the controller. Preferably, the handrail 8 is a forked structure that tilts toward both sides. The end of the handrail 8 is provided with a grip for two-handed support, and the controller is located on the grip. The handrail 8 resembles a bicycle handlebar structure, making it easy to hold with both hands. The controller can be configured as a knob-type structure similar to a motorcycle throttle control or a bicycle hand-pressed brake structure, allowing the user to control the device while holding it steady.

[0035] like Figure 2 As shown, in this embodiment, the frame 5 is movably connected to the support frame 1, so that the support frame 1 can rotate in the vertical direction relative to the frame 5, thereby adjusting the angle of the laminating device. Specifically, the frame 5 includes a horizontally arranged mounting plate and a vertically arranged fixed plate 51 at one end of the mounting plate. The support frame 1 is a horizontally arranged rectangular frame structure. The side of the support frame 1 close to the frame 5 is a vertically arranged connecting frame 11. The connecting frame 11 includes two parallel vertical sections and two parallel horizontal sections, which are arranged to form a hollow rectangular structure. A connecting plate 13 is provided in the middle of the connecting frame 11. The center position of the connecting plate 13 is rotatably connected to the fixed plate 51, so that the connecting frame 11 can rotate in the vertical direction and drive the entire frame 5 to rotate.

[0036] like Figure 3 As shown, in a further embodiment, two vertical stop rods 52 are provided on the side of the fixed plate 51 near the connecting frame 11. The stop rods 52 are symmetrical with respect to the connecting plate 13, and a gap is formed between the stop rods 52 and the fixed plate 51. The width of the gap corresponds to the thickness of the connecting frame 11. Stop blocks 53 are provided in the gap to connect the stop rods 52 to the fixed plate 51. Each stop rod 52 is provided with two stop blocks 53, one above the other. The maximum spacing between the two stop blocks 53 is less than the spacing between the two horizontal sections of the connecting frame 11, and the length of the stop rods 52 is no less than the spacing between the two horizontal sections of the connecting frame 11. This ensures that the connecting frame 11 can only rotate within the restricted area of the stop blocks 53. In other words, the connecting frame 11 surrounds the two stop blocks 53. When the connecting frame 11 rotates to a certain angle, its inner side is blocked by the stop blocks 53, reaching the maximum rotation position, and controlling the rotation of the coating device within a certain range. This prevents the coating device from overturning due to excessive rotation angles on steep slopes.

[0037] Furthermore, in this embodiment, movable parts 12 are symmetrically arranged at both ends of the connecting frame 11. The movable parts 12 include a first set of rods arranged vertically and two telescopic rods arranged in parallel at both ends of the first set of rods. The horizontal section of the connecting frame 11 is a hollow structure with openings at both ends, and the telescopic rods are movably inserted into the interior from the ends of the horizontal section. The first set of rods is a hollow structure with openings at both ends. A first movable rod 21 is also provided inside the first set of rods. The first movable rod 21 can move vertically along the first set of rods. The two ends of the roller 2 are respectively rotatably connected to the first movable rod 21. A connecting piece 22 is provided at the bottom of the first movable rod 21. The connecting piece 22 is detachably fixedly connected to the roller 2. In this way, the spacing between the connecting pieces 22 can be adjusted by the movable part 12 to accommodate installation of films of different widths. At the same time, the height of the roller 2 in the vertical direction can also be adjusted by the first movable rod 21 to accommodate use of films of different thicknesses.

[0038] In addition, vertical second rods 42 are symmetrically provided on both sides of the edge of the end of the support frame 1 away from the drive device. The second rods 42 are hollow structures with openings at both ends. A second movable rod 41 is also provided inside the second rod 42. The second movable rod 41 can move in the vertical direction along the second rod 42. The soil covering plow 4 is mounted at the bottom end of the second movable rod 41. According to different film covering requirements, the height of the soil covering plow 4 can be adjusted using the second movable rod 41, that is, the depth of the soil covering plow 4 in the soil and the amount of soil it excavates can be set to achieve different functions of large-scale soil compaction or small-scale soil covering.

[0039] like Figure 4 As shown, in this embodiment, preferably, the roller wheel 3 is provided with a protruding section 33, a corrugated section 34, and an inclined section 35 in sequence along the axial direction from the outside to the inside. The protruding section 33 has an arc-shaped tip protruding on the outer side, the corrugated section 34 has a wave-like, uneven structure, and the inclined section 35 gradually decreases in diameter from the outside to the inside. The tip of the protruding section 33 is located at the outermost part, so that the edge of the film can be pressed into the soil, achieving advanced positioning and preventing the film from floating or folding due to external factors such as wind before the covering plow 4 is fixed to the soil. The corrugated section 34 can then fold and roll the film to make it more tightly bonded to the soil. Finally, because the middle of the ridge will bulge upward, an inclined section 35 is provided to correspond to it to prevent the roller wheel 3 from damaging the ridge shape.

[0040] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model and are not limiting. Although the utility model is described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A highly flexible crop film covering machine, characterized by: It includes a laminating device, a driving device and a control device, wherein the driving device is connected to the laminating device and the control device respectively; The film covering device includes a support frame and a roll-out assembly, a flattening assembly and a soil covering assembly arranged in sequence at the bottom of the support frame, the roll-out assembly includes a horizontally arranged roller, the flattening assembly includes two symmetrically arranged roller wheels, the rotating shafts of the roller wheels are parallel to the roller shafts and the roller wheels are arranged at both ends of the roller shafts, the roller wheels are elastically connected to the support frame so that the roller wheels are always subjected to downward pressure, the soil covering assembly includes two symmetrically arranged soil covering plows, and the soil covering plows are arranged at positions corresponding to the roller wheels; The driving device includes a frame, a power assembly arranged on the frame, and a walking wheel arranged at the bottom of the frame, wherein the walking wheel is parallel to the rotating axis of the roller, and the power assembly drives the walking wheel to rotate; the frame is movably connected to the support frame, so that the support frame can rotate in the vertical direction relative to the frame, thereby adjusting the angle of the laminating device; The control device includes an armrest and a controller. The armrest is connected to the frame, and the operation of the power assembly is controlled by the controller.

2. A highly flexible crop film covering machine according to claim 1, characterized in that: The frame includes a horizontally arranged mounting plate and a vertically arranged fixed plate at one end of the mounting plate. The support frame is a horizontally arranged rectangular frame structure. The side of the support frame close to the frame is a vertically arranged connecting frame. The connecting frame includes two parallel vertical sections and two parallel horizontal sections, which are surrounded to form a hollow rectangular structure. A connecting plate is provided in the middle of the connecting frame. The center position of the connecting plate is rotatably connected to the fixed plate, so that the connecting frame can rotate in the vertical direction and drive the entire frame to rotate.

3. A highly flexible crop film covering machine according to claim 2, characterized in that: Two vertical limit rods are further provided on the side of the fixing plate close to the connecting frame. The limit rods are symmetrical with respect to the connecting plate. There is a gap between the limit rods and the fixing plate, and the width of the gap corresponds to the thickness of the connecting frame. A blocking block is provided in the gap to connect the limiting rod and the fixed plate. Each limiting rod is provided with two blocking blocks distributed upper and lower, and the maximum distance between the two blocking blocks is smaller than the distance between the two horizontal sections of the connecting frame. The length of the limiting rod is not smaller than the distance between the two horizontal sections of the connecting frame, so that the connecting frame can only rotate in the limiting area of the blocking block.

4. The highly flexible crop film covering machine according to claim 2, characterized in that: There are also movable parts symmetrically arranged at both ends of the connecting frame, and the movable parts include a first set of rods arranged vertically and two telescopic rods arranged in parallel at both ends of the first set of rods. The horizontal section of the connecting frame is a hollow structure with openings at both ends, and the telescopic rods are movably inserted into the interior from the end of the horizontal section.

5. The highly flexible crop film covering machine according to claim 4, characterized in that: The first set of rods is a hollow structure with openings at both ends. A first movable rod is provided inside the first set of rods. The first movable rod can move in a vertical direction along the first set of rods. Both ends of the roller are rotatably connected to the first movable rod.

6. The highly flexible crop film covering machine according to claim 5, characterized in that: A connecting piece is provided at the bottom of the first movable rod, and the connecting piece is detachably fixedly connected to the roller.

7. The highly flexible crop film covering machine according to claim 1, characterized in that: The support frame is symmetrically provided with vertical second rods on both side edges of one end away from the driving device. The second rods are hollow structures with openings at both ends. A second movable rod is also provided inside the second rods. The second movable rod can move in the vertical direction along the second rods. The soil covering plow is installed at the bottom end of the second movable rod.

8. The highly flexible crop film covering machine according to claim 1, characterized in that: The armrest is a structure that is inclined and bifurcated toward both sides. A grip is provided at the end of the armrest for easy support with both hands, and the controller is arranged at the grip.

9. The highly flexible crop film covering machine according to claim 1, characterized in that: The roller is provided with a protruding section, a corrugated section and an inclined section in sequence from the outside to the inside along the axial direction. The protruding section is protruding with an arc-shaped tip on the outer side. The corrugated section has a wavy and uneven structure. The diameter of the inclined section gradually decreases from the outside to the inside.

10. The highly flexible crop film covering machine according to claim 1, characterized in that: A support rod is provided between the rolling wheel and the support frame, one end of the support rod is rotatably connected to the top of the support frame on the side close to the driving device, and is inclined toward the middle position below the support frame. A spring is also connected to the middle of the support rod, and the other end of the spring is fixedly connected to the bottom of the support frame on the side close to the driving device, and the spring is always in a stretched state, applying a pulling force to the support rod to rotate downward.

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