Land film mulching machine capable of mulching film in large range

Abstract

The land film mulching machine comprises a transverse plate, wheels are installed at the four corners of the bottom of the transverse plate, an unwinding roller is arranged above the transverse plate, a tensioning roller is arranged below the transverse plate, a shell is fixedly connected to the inner wall of the transverse plate, and the shell extends to the position above the transverse plate. The utility model relates to the technical field of film mulching machines, in particular to a land film mulching machine capable of mulching a film in a large range, through the cooperation of a box body, a worm, a worm gear, a rotating wheel, a double-end lead screw, a lead screw nut, supporting columns and a first sliding block, the supporting columns on the two sides are adjusted, the land is covered with the film in the large range, and the problem that when an existing land film mulching machine is used, the film is difficult to cover is solved. The problems that due to the fact that the positions of supporting columns on the two sides of an unwinding roller are fixed, the positions of the supporting columns on the two sides cannot be adjusted, only small-range film mulching can be conducted on the land by moving one side of an existing land film mulching machine, and the film mulching efficiency of the existing land film mulching machine is reduced are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of film covering machines, in particular to a land film covering machine which can cover a large area of ​​land. Background Art

[0002] The land film covering machine covers the land with plastic film, which can not only increase ground temperature, retain water, soil and fertilizer and improve fertilizer efficiency, but also kill weeds, prevent diseases and insects, prevent drought and waterlogging, inhibit salt and protect seedlings, and improve near-ground light and heat conditions.

[0003] When the existing land film covering machine is in use, the land film covering machine is moved so that the plastic film on the unwinding roller of the land film covering machine is covered on the land to cover the land;

[0004] However, when the existing land film covering machine is in use, the positions of the support columns on both sides of the unwinding roller are fixed and cannot be adjusted, resulting in the existing land film covering machine only being able to cover a small area of ​​the land on one moving side, thereby reducing the covering efficiency of the existing land film covering machine. Utility Model Content

[0005] In response to the deficiencies in the prior art, the utility model provides a land film covering machine that can cover a large area of ​​land, solving the problem that when the existing land film covering machine is in use, the positions of the support columns on both sides of the unwinding roller are fixed and the positions of the support columns on both sides cannot be adjusted, resulting in the existing land film covering machine only being able to cover a small area of ​​land when one side moves, thereby reducing the covering efficiency of the existing land film covering machine.

[0006] To achieve the above-mentioned purpose, the present invention is implemented through the following technical solutions: a land film covering machine capable of covering a large area of ​​film, comprising a horizontal plate, wheels are installed at the four corners of the bottom of the horizontal plate, a reeling roller is arranged above the horizontal plate, a tensioning roller is arranged below the horizontal plate, the inner wall of the horizontal plate is fixedly connected to a shell, the shell extends to the top of the horizontal plate, an adjusting device is arranged on the outside of the horizontal plate, and the adjusting device comprises: a box body, fixedly connected to the surface of the horizontal plate; a worm, rotatably connected to the inner wall of the box body through a bearing; a worm wheel, meshingly connected to the front face of the worm; a rotating wheel, fixedly connected to the top of the worm; a double-headed The screw is fixedly connected to the inner wall of the worm wheel and is rotatably connected to the inner wall of the box body through a bearing; the screw nut is threadedly connected to the outer wall of the double-headed screw; the support column is fixedly connected to the top of the screw nut, passes through the box body, and is movably connected to the box body; the tensioning assembly is arranged on the outside of the cross plate; wherein, the worm is driven by the rotating wheel to make the worm wheel drive the double-headed screw to rotate, so that the screw nut drives the support column to move, so as to adjust the distance between the support columns on both sides, to fix the unwinding rollers of different lengths, and to adjust the tension of the plastic film through the tensioning assembly.

[0007] Preferably, the tensioning assembly includes: a threaded column, which is rotatably connected to the inner wall of the outer shell through a bearing; a sliding rod, which is fixedly connected to the inner wall of the outer shell; a cross column, which is threadedly connected to the outer wall of the threaded column and slidably engaged with the outer wall of the sliding rod; an oblique rod, which is rotatably connected to the inside of the cross column through a pin; a connecting block, which is rotatably connected to the end of the oblique rod away from the cross column through a pin; a bracket, which is fixedly connected to the bottom of the connecting block and is rotatably connected to the two ends of the tensioning roller through a bearing; wherein, the cross column, driven by the threaded column, causes the oblique rod to drive the connecting block to move, thereby causing the bracket to drive the tensioning roller to move, so as to adjust the tension of the plastic film.

[0008] Preferably, the bottom of the horizontal plate is fixedly connected to the vertical plate, and the inner wall of the vertical plate is rotatably connected to a guide roller.

[0009] Preferably, the bottom of the support column is fixedly connected to a first slider, the outer wall of the first slider is slidably engaged with the inner wall of the box body, and both sides of the bracket are fixedly connected to a second slider, the outer walls of the two second sliders are slidably engaged with the inner wall of the vertical plate.

[0010] Preferably, sleeves are inserted at both ends of the unwinding roller, and the outer walls of the two sleeves are rotatably connected to the inner wall of the support column through bearings.

[0011] Preferably, the inner wall of the horizontal plate is rotatably connected to a fixed roller via a bearing, and a pressure roller is installed at the bottom of the horizontal plate close to the right side of the vertical plate.

[0012] Beneficial effects

[0013] The utility model provides a land film covering machine capable of covering a large area of ​​land. The utility model has the following beneficial effects: the land film covering machine capable of covering a large area of ​​land, through the cooperation among the box, the worm, the worm wheel, the rotating wheel, the double-headed screw, the screw nut, the support column and the first slider, realizes adjustment of the support columns on both sides, thereby covering a large area of ​​land with film. This solves the problem that the existing land film covering machine can only cover a small area of ​​land with film when one side is moved, because the support columns on both sides of the unwinding roller are fixed and cannot be adjusted, thereby reducing the film covering efficiency of the existing land film covering machine.

[0014] Through the coordination between the threaded column, horizontal column, sliding rod, inclined rod, connecting block and bracket, the tension of the plastic film can be adjusted, which solves the problem that after the unwinding roller rotates for a long time, the thickness of the plastic film on the surface of the unwinding roller decreases, causing the plastic film to become loose and easily accumulate on the surface of the ground. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural diagram of the utility model;

[0016] Figure 2 for Figure 1 Schematic diagram of the appearance;

[0017] Figure 3 for Figure 1 Schematic diagram of the structure of the middle box, unwinding roller and tensioning roller;

[0018] Figure 4 for Figure 1 Schematic diagram of the structure of the middle support column, double-ended screw and worm gear;

[0019] Figure 5 for Figure 3 Schematic diagram of the structure of the middle threaded column, diagonal rod and bracket.

[0020] In the figure: 1. horizontal plate; 11. pressure roller; 2. wheel; 3. adjusting device; 31. box body; 32. worm; 33. worm wheel; 34. rotating wheel; 35. double-headed screw; 36. screw nut; 37. support column; 371. first slider; 38. tensioning assembly; 381. threaded column; 382. horizontal column; 383. slide rod; 384. oblique rod; 385. connecting block; 386. bracket; 3861. second slider; 4. unwinding roller; 41. sleeve; 42. fixed roller; 5. tensioning roller; 6. vertical plate; 61. guide roller; 7. outer shell. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] When the existing land film covering machine is in use, the positions of the support columns on both sides of the unwinding roller are fixed and cannot be adjusted. As a result, the existing land film covering machine can only cover a small area of ​​land on one moving side, thereby reducing the covering efficiency of the existing land film covering machine.

[0023] The present invention provides a land film covering machine capable of covering a large area of ​​land by cooperating with the box body, the worm, the worm gear, the rotating wheel, the double-headed screw, the screw nut, the support column and the first slider, so that the support columns on both sides can be adjusted, and the land can be covered in a large area. This solves the problem that when the existing land film covering machine is in use, the positions of the support columns on both sides of the unwinding roller are fixed, and the positions of the support columns on both sides cannot be adjusted, resulting in that the existing land film covering machine can only cover a small area of ​​land when one side moves, thereby reducing the covering efficiency of the existing land film covering machine. The present invention provides a land film covering machine capable of covering a large area of ​​land by cooperating with the box body, the worm, the worm gear, the rotating wheel, the double-headed screw, the screw nut, the support column and the first slider, so that the support columns on both sides can be adjusted, and the land can be covered in a large area. This solves the problem that when the existing land film covering machine is in use, the positions of the support columns on both sides of the unwinding roller are fixed, and the positions of the support columns on both sides cannot be adjusted, resulting in that the existing land film covering machine can only cover a small area of ​​land when one side moves, thereby reducing the covering efficiency of the existing land film covering machine.

[0024] By those skilled in the art, the components in this case are connected in sequence. For the specific connection and operation sequence, reference should be made to the following working principle. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principle and process.

[0025] Example 1, by Figure 1-5It can be seen that the land film covering machine in this case which can cover a large area of ​​land film comprises a horizontal plate 1, wheels 2 are installed at the four corners of the bottom of the horizontal plate 1, and a handrail is fixedly connected to the side of the surface of the horizontal plate 1 close to the shell 7. When the staff pushes the handrail, the handrail drives the horizontal plate 1 to move, thereby driving the wheel 2 to rotate, so that the land film covering machine moves as a whole to cover the land. A unwinding roller 4 is provided above the horizontal plate 1, and a tensioning roller 5 is provided below the horizontal plate 1. The plastic film passes through the tensioning roller 5, and the tensioning roller 5 tensions the plastic film. The inner surface of the horizontal plate 1 is rotated. The wall is fixedly connected with a shell 7, which extends to the top of the horizontal plate 1. An adjusting device 3 is provided on the outside of the horizontal plate 1. The adjusting device 3 includes: a box body 31, which is fixedly connected to the surface of the horizontal plate 1, a worm 32, which is rotatably connected to the inner wall of the box body 31 through a bearing, a worm wheel 33, which is meshed and connected to the front of the worm 32, and the worm 32 drives the worm wheel 33 to rotate, a rotating wheel 34, which is fixedly connected to the top of the worm 32, and the staff rotates the rotating wheel 34, and the rotating wheel 34 drives the worm 32 to rotate, and a double-headed screw 35, which is fixedly connected The double-ended lead screw 35 is connected to the inner wall of the worm gear 33, and the double-ended lead screw 35 of the worm gear 33 rotates and is rotatably connected to the inner wall of the box body 31 through the bearing. The lead screw nut 36 is threadedly connected to the outer wall of the double-ended lead screw 35, and the double-ended lead screw 35 drives the lead screw nut 36 to move. The support column 37 is fixedly connected to the top of the lead screw nut 36 and passes through the box body 31. The lead screw nuts 36 on both sides drive the support columns 37 to move to adjust the position of the support columns 37 on both sides. After completion, the staff stops rotating the rotating wheel 34 and installs the longer unwinding roller 4 It is mounted on two support columns 37 to achieve large-scale land covering and is movably connected to the box body 31. The support columns 37 on both sides move in the box body 31. The tensioning assembly 38 is arranged on the outside of the horizontal plate 1. The worm 32 is driven by the rotating wheel 34 to make the worm wheel 33 drive the double-headed screw 35 to rotate, so that the screw nut 36 drives the support columns 37 to move, so as to adjust the distance between the support columns 37 on both sides, fix the unwinding roller 4 of different lengths, and adjust the tension of the plastic film through the tensioning assembly 38.

[0026] When the land is to be covered with film on a large scale, the staff rotates the rotating wheel 34, and the rotating wheel 34 drives the worm 32 to rotate, and the worm 32 drives the worm gear 33 to rotate, and the double-headed screw 35 of the worm gear 33 rotates, and the double-headed screw 35 drives the screw nut 36 to move, and the screw nuts 36 on both sides drive the support columns 37 to move, and the support columns 37 on both sides move in the box body 31 to adjust the positions of the support columns 37 on both sides. After completion, the staff stops rotating the rotating wheel 34 and installs the longer unwinding roller 4 on the two support columns 37 to achieve large-scale land covering.

[0027] Furthermore, the tensioning assembly 38 includes: a threaded column 381, which is rotatably connected to the inner wall of the shell 7 through a bearing. The staff rotates the threaded column 381, and the threaded column 381 drives the cross column 382 to move. The slide bar 383 is fixedly connected to the inner wall of the shell 7. The cross column 382 is threadedly connected to the outer wall of the threaded column 381 and is slidably engaged with the outer wall of the slide bar 383. The cross column 382 moves on the slide bars 383 on both sides to limit the cross column 382. The oblique rod 384 is rotatably connected to the inside of the cross column 382 through a pin shaft. The cross column 382 drives the oblique rod 384 to rotate. The connecting block 385 is connected to the inner wall of the cross column 382 through a pin shaft. The pin is rotatably connected to the end of the inclined rod 384 away from the horizontal column 382, ​​and the inclined rods 384 on both sides drive the connecting block 385 to move. The bracket 386 is fixedly connected to the bottom of the connecting block 385 and is rotatably connected to the two ends of the tensioning roller 5 through the bearing. The connecting blocks 385 on both sides drive the bracket 386 to rise, and the bracket 386 drives the tensioning roller 5 to move to adjust the tension. Among them, the horizontal column 382 is driven by the threaded column 381 to make the inclined rod 384 drive the connecting block 385 to move, so that the bracket 386 drives the tensioning roller 5 to move, thereby adjusting the tension of the plastic film;

[0028] During the specific implementation process, it is worth noting that when the plastic film becomes loose, the staff rotates the threaded column 381, the threaded column 381 drives the horizontal column 382 to move, the horizontal column 382 moves on the sliding rods 383 on both sides, and limits the horizontal column 382. The horizontal column 382 drives the inclined rod 384 to rotate, and the inclined rods 384 on both sides drive the connecting blocks 385 to move. The connecting blocks 385 on both sides drive the bracket 386 to rise, and the bracket 386 drives the tensioning roller 5 to move to adjust the tension. After completion, the staff stops rotating the threaded column 381 to adjust the tension of the plastic film.

[0029] Furthermore, the bottom of the horizontal plate 1 is fixedly connected to a vertical plate 6, and the vertical plates 6 on both sides support the guide rollers 61. The inner wall of the vertical plate 6 is rotatably connected to the guide rollers 61, and the plastic film on the unwinding roller 4 is sequentially passed between the two guide rollers 61 to guide the plastic film;

[0030] In the specific implementation process, it is worth noting that the vertical plates 6 on both sides support the guide rollers 61, and the plastic film on the unwinding roller 4 is sequentially passed between the two guide rollers 61 to guide the plastic film;

[0031] Furthermore, a first slider 371 is fixedly connected to the bottom of the support column 37. When the support column 37 moves, the support column 37 drives the first slider 371 to slide in the limiting groove at the bottom of the box body 31 to guide the support column 37. The outer wall of the first slider 371 slides and is engaged with the inner wall of the box body 31. Second sliders 3861 are fixedly connected to both sides of the bracket 386. When the bracket 386 moves, the bracket 386 drives the second slider 3861 to move. The second slider 3861 slides in the vertical groove on the side wall of the vertical plate 6, making the movement of the bracket 386 more stable. The outer walls of the two second sliders 3861 are both slidably engaged with the inner wall of the vertical plate 6.

[0032] In the specific implementation process, it is worth noting that when the support column 37 moves, the support column 37 drives the first slider 371 to slide in the limiting groove at the bottom of the box body 31 to guide the support column 37. When the bracket 386 moves, the bracket 386 drives the second slider 3861 to move. The second slider 3861 slides in the vertical groove on the side wall of the vertical plate 6, making the movement of the bracket 386 more stable.

[0033] Specifically, first the staff rotates the rotating wheel 34, the rotating wheel 34 drives the worm 32 to rotate, the worm 32 drives the worm gear 33 to rotate, the double-headed screw 35 of the worm gear 33 rotates, the double-headed screw 35 drives the screw nut 36 to move, the screw nuts 36 on both sides drive the support columns 37 to move, the support columns 37 drive the first slider 371 to slide in the limit groove at the bottom of the box body 31, and the support columns 37 on both sides move in the box body 31 to adjust the positions of the support columns 37 on both sides. After completion, the staff stops rotating the rotating wheel 34, installs the longer unwinding roller 4 on the two support columns 37, and then passes the plastic film on the unwinding roller 4 between the two guide rollers 61 and the tensioning roller 5 in turn. After completion, the end of the plastic film is spread on the ground, and the workers The operator pushes the handrail, and the handrail drives the horizontal plate 1 to move, thereby driving the wheel 2 to rotate, so that the land film covering machine moves as a whole to cover the land. When the plastic film becomes loose, the operator rotates the threaded column 381, and the threaded column 381 drives the horizontal column 382 to move. The horizontal column 382 moves on the sliding rods 383 on both sides to limit the horizontal column 382. The horizontal column 382 drives the inclined rod 384 to rotate, and the inclined rods 384 on both sides drive the connecting block 385 to move. The connecting blocks 385 on both sides drive the bracket 386 to rise. When the bracket 386 drives the second slider 3861 to move, the second slider 3861 slides in the vertical groove on the side wall of the vertical plate 6, and the bracket 386 drives the tensioning roller 5 to move to adjust the tension. After completion, the operator stops rotating the threaded column 381.

[0034] Example 2, by Figure 1-3 It can be seen that sleeves 41 are inserted at both ends of the unwinding roller 4. When fixing the unwinding rollers 4 of different lengths, the two ends of the unwinding roller 4 are inserted into the sleeves 41 in sequence to achieve the purpose of fixing the unwinding rollers 4 of different lengths to the support column 37. The outer walls of the two sleeves 41 are rotatably connected to the inner wall of the support column 37 through bearings.

[0035] In the specific implementation process, it is worth noting that, when fixing the unwinding rollers 4 of different lengths, the two ends of the unwinding rollers 4 are sequentially inserted into the sleeves 41 to achieve fixing the unwinding rollers 4 of different lengths to the support column 37;

[0036] Furthermore, the inner wall of the horizontal plate 1 is rotatably connected to a fixed roller 42 through a bearing. The plastic film is first passed through the two fixed rollers 42 to fix the plastic film. A pressing roller 11 is installed at the bottom of the horizontal plate 1 near the right side of the vertical plate 6. The pressing roller 11 squeezes the plastic film spread on the ground so that the plastic film is tightly attached to the ground.

[0037] In the specific implementation process, it is worth noting that the plastic film is first passed through two fixed rollers 42 to fix the plastic film, and the pressing roller 11 squeezes the plastic film spread on the ground to make the plastic film fit tightly on the ground;

[0038] Specifically, after fixing the unwinding rollers 4 of different lengths, the two ends of the unwinding rollers 4 are inserted into the sleeves 41 in sequence to fix the unwinding rollers 4 of different lengths to the support column 37, the plastic film is first passed through the two fixed rollers 42 to fix the plastic film, and the pressure roller 11 squeezes the plastic film spread on the ground to make the plastic film fit tightly to the ground.

[0039] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include," "comprise," or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations. The phrase "includes an element defined by..." does not exclude the presence of other identical elements in the process, method, article, or device that includes the element.

[0040] In the present invention, unless otherwise clearly stipulated and limited, the terms "install", "set", "connect", "fix", "screw" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.

[0041] Although the 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A land film covering machine capable of covering a large area, comprising a horizontal plate (1), characterized in that: Wheels (2) are installed at the four corners of the bottom of the transverse plate (1), a reeling roller (4) is provided above the transverse plate (1), a tensioning roller (5) is provided below the transverse plate (1), an inner wall of the transverse plate (1) is fixedly connected to a shell (7), the shell (7) extends to the top of the transverse plate (1), and an adjustment device (3) is provided on the outside of the transverse plate (1), the adjustment device (3) comprises: A box body (31) is fixedly connected to the surface of the horizontal plate (1); A worm (32) is rotatably connected to the inner wall of the housing (31) via a bearing; a worm wheel (33) meshingly connected to the front side of the worm (32); A rotating wheel (34) fixedly connected to the top of the worm (32); A double-ended lead screw (35) is fixedly connected to the inner wall of the worm wheel (33) and is rotatably connected to the inner wall of the box (31) via a bearing; A lead screw nut (36) threadedly connected to the outer wall of the double-ended lead screw (35); A support column (37) is fixedly connected to the top of the lead screw nut (36), passes through the box (31), and is movably connected to the box (31); A tensioning assembly (38) is arranged outside the transverse plate (1); The worm (32) is driven by the rotating wheel (34) to cause the worm wheel (33) to drive the double-headed screw (35) to rotate, thereby causing the screw nut (36) to drive the support column (37) to move, thereby adjusting the distance between the support columns (37) on both sides, fixing the unwinding rollers (4) of different lengths, and adjusting the tension of the plastic film through the tensioning assembly (38).

2. The land film covering machine capable of covering a large area according to claim 1, characterized in that: The tensioning assembly (38) comprises: A threaded column (381) is rotatably connected to the inner wall of the housing (7) via a bearing; A slide rod (383) fixedly connected to the inner wall of the housing (7); A transverse column (382) is threadedly connected to the outer wall of the threaded column (381) and is slidably engaged with the outer wall of the sliding rod (383); An oblique rod (384) is rotatably connected to the interior of the horizontal column (382) via a pin; A connecting block (385) is rotatably connected to an end of the oblique rod (384) away from the horizontal column (382) via a pin; A bracket (386) is fixedly connected to the bottom of the connecting block (385) and is rotatably connected to both ends of the tensioning roller (5) via bearings; Wherein, the transverse column (382), driven by the threaded column (381), causes the inclined rod (384) to drive the connecting block (385) to move, thereby causing the bracket (386) to drive the tensioning roller (5) to move, thereby adjusting the tension of the plastic film.

3. The land film covering machine capable of covering a large area according to claim 1, characterized in that: The bottom of the horizontal plate (1) is fixedly connected to a vertical plate (6), and the inner wall of the vertical plate (6) is rotatably connected to a guide roller (61).

4. The land film covering machine capable of covering a large area according to claim 2, characterized in that: The bottom of the support column (37) is fixedly connected to a first slider (371), and the outer wall of the first slider (371) is slidably engaged with the inner wall of the box body (31). Both sides of the bracket (386) are fixedly connected to second sliders (3861), and the outer walls of the two second sliders (3861) are slidably engaged with the inner wall of the vertical plate (6).

5. The land film covering machine capable of covering a large area according to claim 1, characterized in that: Both ends of the unwinding roller (4) are plugged with sleeves (41), and the outer walls of the two sleeves (41) are rotatably connected to the inner wall of the support column (37) via bearings.

6. The land film covering machine capable of covering a large area according to claim 1, characterized in that: The inner wall of the horizontal plate (1) is rotatably connected to a fixed roller (42) via a bearing, and a pressure roller (11) is installed at the bottom of the horizontal plate (1) close to the right side of the vertical plate (6).

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