Agricultural weeding device for agricultural facilities

Abstract

The present invention discloses an agricultural weeding device for agricultural facilities, which relates to the technical field of agricultural weeding, and comprises a vehicle body, a push handle, legs and rollers. The bottom of the vehicle body is symmetrically fixedly connected with the legs, and the legs are rotatably connected with the rollers through fixedly connected bearings. The top right end of the vehicle body is fixedly connected with a mounting sleeve, and a battery is fixedly installed in the mounting sleeve; the top of the vehicle body is connected with a length-adjustable support structure; the support structure is connected with a position adjustment structure for adjusting the mowing position; the position adjustment structure is connected with a rotating structure for adjusting the mowing angle; the rotating structure is connected with a mowing structure for mowing. The weeding height of the present invention can be conveniently adjusted according to needs.

Description

Technical Field

[0001] The invention relates to the technical field of agricultural weeding, in particular to an agricultural weeding device for agricultural facilities. Background Art

[0002] With the continuous development of society, the level of agricultural production is also constantly improving. Among them, weeds are an important factor affecting land yield in agricultural production. In the process of clearing weeds from the land, most of them are cleared by agricultural tools or pesticides. In the process of using agricultural tools to clear weeds, the excessive weeds further increase the workload and reduce the labor efficiency. In the process of using pesticides to clear weeds, it will affect the production of crops, thereby affecting the yield.

[0003] At present, some weeding devices are designed for better weeding. However, the weeding height of the weeding device is adjustable according to needs. At the same time, when the main body is inconvenient to move to the weeding position, weeding cannot be performed, which is inconvenient for practical use. In addition, when weeding is required on a sloping ground, the weeding structure cannot be adjusted to a tilted state.

[0004] Therefore, an agricultural weeding device for agricultural facilities is proposed to solve the above problems. Summary of the invention

[0005] The object of the present invention is to provide an agricultural weeding device for agricultural facilities to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an agricultural weeding device for agricultural facilities, comprising a vehicle body, a push handle, legs and rollers, wherein the legs are symmetrically fixedly connected to the bottom of the vehicle body, the legs are rotatably connected to the rollers through fixed bearings, a mounting sleeve is fixedly connected to the top right end of the vehicle body, and a battery is fixedly installed in the mounting sleeve; a length-adjustable support structure is connected to the top of the vehicle body;

[0007] The support structure is connected to a position adjustment structure for adjusting the mowing position;

[0008] The position adjustment structure is connected to a rotating structure for adjusting the mowing angle;

[0009] The rotating structure is connected to a mowing structure for mowing grass, and the mowing structure includes a cutting motor, a mounting frame, a polygonal sleeve, a polygonal sliding rod, a cutting blade, a mounting ring, a fixing bolt and a positioning hole. The cutting motor is fixedly installed on the mounting hole of the mounting frame, and the output end of the cutting motor is fixedly connected to a polygonal sleeve, the outer wall of the polygonal sleeve is threadedly connected to a fixing bolt, the inner wall of the polygonal sleeve is fitted and slidably connected to a polygonal sliding rod, the side wall of the polygonal sliding rod is evenly fixedly connected to the positioning hole, the inner end of the fixing bolt is threadedly connected to the positioning hole, the bottom of the polygonal sliding rod is fixedly connected to the mounting ring, and the outer wall of the mounting ring is evenly fixedly connected to the cutting blade for mowing grass along the circumferential direction.

[0010] Furthermore, a push handle for pushing the vehicle body to move is fixedly connected to the left side wall of the vehicle body by bolts.

[0011] Furthermore, the supporting structure includes a horizontal plate, a first convex groove, a second convex groove, a first T-shaped plate and a second T-shaped plate. The inner wall of the horizontal plate is provided with a first convex groove, and the first T-shaped plate is slidably connected in the first convex groove. The inner wall of the first T-shaped plate is provided with a second convex groove, and the second T-shaped plate is slidably connected in the second convex groove.

[0012] Furthermore, a transverse groove is provided on the top of the vehicle body, and transverse plates are symmetrically arranged on the left and right sides of the transverse groove.

[0013] Furthermore, the position adjustment structure includes a scissors bracket, a rotating disk, a push rod, a first straight plate, a second straight block, a square sliding frame, a pin rod, a second toothed plate, a second gear ring, a Z-shaped plate, a rotating rod, a limiting sliding plate, a straight rod, a threaded groove, a limiting sliding groove and a second spring. A limiting sliding groove is provided on the top inner of the rear end of the vehicle body, and both ends of the limiting sliding groove are rotatably connected to the rotating rod through a fixedly connected bearing. The rotating rod is fixedly connected to the second gear ring, the top of the Z-shaped plate is fixedly connected to the second spring, the top of the second spring is fixedly connected to the pin rod, and the bottom of the pin rod passes through the Z-shaped plate and is fixedly connected to the second toothed plate used in conjunction with the second gear ring The outer end of the rotating rod is fixedly connected to a rotating disk, the outer end of the rotating disk is fixedly connected to a push rod, the rotating rod is provided with a threaded groove, the rotating rod is threadedly connected to a limiting slide through the threaded groove, the bottom of the limiting slide is rotatably connected to a straight rod through a fixedly connected bearing, the rear end of the car body is fixedly connected to a first straight plate, the first straight plate is rotatably connected to a scissors fork bracket, the bottom of the straight rod is fixedly connected to the middle end of the top of a group of rotating plates of the scissors fork bracket, the front end top of the scissors fork bracket is fixedly connected to a second straight block, the side wall of the second straight block is fixedly connected to a square sliding frame, and the bottom of the square sliding frame is slidably connected to the top of the car body.

[0014] Furthermore, the outer wall of the limiting slide plate is slidably connected to the inner wall of the limiting slide groove.

[0015] Furthermore, the Z-shaped plate is fixedly mounted on the top of the vehicle body by fixing bolts.

[0016] Furthermore, the side wall of the square sliding frame is fixedly connected to the inner wall of the second T-shaped plate, and when the square sliding frame moves to the rear end, the scissors bracket is in a folded state, and at the same time, the limiting slide moves to the rear end of the limiting slide groove.

[0017] Furthermore, the rotating structure includes a first spring, a square ring, a first gear ring, a support shaft, a first gear plate, a U-shaped block and a slide plate, the support shaft is rotatably connected to the inner wall of the square slide frame through a fixedly connected bearing, the support shaft is fixedly connected to the first gear ring, the front side wall of the square slide frame is fixedly connected to the first spring, the front end of the first spring is fixedly connected to the square ring, the rear end of the square ring is fixedly connected to the slide plate, the inner end of the slide plate passes through the square slide frame and is fixedly connected to the U-shaped block, and the rear end of the U-shaped block is fixedly connected to the first gear plate used in conjunction with the first gear ring.

[0018] Furthermore, the inner end of the support shaft is fixedly connected to the mounting frame.

[0019] The beneficial effects of the present invention are:

[0020] The polygonal slide bar of the sliding mowing structure of the present invention slides in the polygonal sleeve, and the polygonal slide bar drives the cutting blade to move. After the cutting blade moves to a suitable height, the inner end of the fixing bolt is rotated into the positioning hole, so that the actual height of the cutting blade can be adjusted conveniently, and the weeding height of the weeding device can be conveniently adjusted according to needs;

[0021] The push rod of the rotary mowing structure of the present invention drives the rotating disk to rotate, the rotating disk drives the rotating rod to rotate, the rotating rod tube thread groove drives the limiting slide plate to slide, the limiting slide plate drives the straight rod to slide, the straight rod unfolds the scissor fork bracket, the gradually unfolded scissor fork bracket pushes the second straight block to move, the second straight block drives the square sliding frame to move outward, the square sliding frame pushes the cutting motor to move, and the cutting motor is pushed to the outside of the vehicle body. When it is inconvenient for the vehicle body to move to the weeding position, the cutting motor can be moved to the weeding position for weeding, which is convenient for practical use.

[0022] When the square sliding frame of the present invention moves, it drives the second T-shaped plate of the supporting structure to slide in the second convex groove. When the second T-shaped plate moves to the front end of the second convex groove, the second T-shaped plate drives the first T-shaped plate to slide in the first convex groove. The first T-shaped plate moves toward the front end of the cross plate. The cross plate, the first T-shaped plate and the second T-shaped plate cooperate to support the square sliding frame, thereby ensuring the stability of the square sliding frame after the position is adjusted, which is conducive to the cutting motor to perform stable weeding.

[0023] When the weeding ground of the present invention is in an inclined state, the square ring of the rotating structure is pulled outward, and the square ring drives the first tooth plate to separate from the first gear ring through the first spring and the U-shaped block, and the first gear ring is rotated. The first gear ring drives the mounting frame to rotate through the support shaft, and the mounting frame drives the cutting blade to rotate to the same inclined state as the ground inclination and then the square ring is released, and the first spring drives the square ring to move, the first spring drives the slide plate to move, the slide plate drives the U-shaped block to move, and the U-shaped block drives the first tooth plate to engage with the first gear ring, and the first gear ring positions the support shaft to realize the positioning of the cutting blade, thereby ensuring that the cutting blade is in a stable inclined state. When weeding is required on an inclined ground, the weeding structure can be conveniently adjusted to an inclined state. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0025] Figure 1 It is a schematic diagram of the structure of the present invention;

[0026] Figure 2 It is a left bottom view of the structure of the present invention;

[0027] Figure 3 It is a right bottom view of the structure of the present invention;

[0028] Figure 4 It is a schematic diagram of a square sliding frame and its connection structure of the present invention;

[0029] Figure 5 The polygonal sleeve of the present invention and its structural schematic diagram;

[0030] Figure 6 It is a structural cross-sectional view of the present invention;

[0031] Figure 7 It is a cross-sectional view of the position adjustment structure and its connection structure of the present invention;

[0032] Figure 8 For the present invention Figure 6 A schematic diagram of the structure at A;

[0033] Fig. 9 It is a schematic diagram of the support structure of the present invention;

[0034] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0035] 1. Car body 2. Push handle 3. Leg 4. Roller 5. Horizontal groove 6. Support structure 61. Horizontal plate 62. First convex groove 63. Second convex groove 64. First T-shaped plate 65. Second T-shaped plate 7. Rotation structure 71. First spring 72. Square ring 73. First gear ring 74. Support shaft 75. First gear plate 76. U-shaped block 77. Slide plate 8. Position adjustment structure 81. Scissor bracket 82. Rotating plate 83. Push rod 84. First straight plate 85. Second straight plate Block 86. Square slide frame 87. Pin rod 88. Second tooth plate 89. Second gear ring 810. Z-shaped plate 811. Rotating rod 812. Limiting slide plate 813. Straight rod 814. Threaded groove 815. Limiting slide groove 816. Second spring 9. Mowing structure 91. Cutting motor 92. Mounting frame 93. Polygonal sleeve 94. Polygonal slide rod 95. Cutting blade 96. Mounting ring 97. Fixing bolt 98. Positioning hole 10. Battery 11. Mounting sleeve DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] The present invention will be further described below in conjunction with the embodiments. Example

[0038] like Figure 1 , 2, 3, 5 and 9 show an agricultural weeding device for agricultural facilities, comprising a vehicle body 1, a push handle 2, a leg 3 and a roller 4, the left side wall of the vehicle body 1 is fixedly connected with the push handle 2 for pushing the vehicle body 1 to move by bolts, the bottom of the vehicle body 1 is symmetrically fixedly connected with the leg 3, the leg 3 is rotatably connected with the roller 4 through a fixedly connected bearing, the top right end of the vehicle body 1 is fixedly connected with a mounting sleeve 11, and a battery 10 is fixedly installed in the mounting sleeve 11; the top of the vehicle body 1 is connected with a length-adjustable support structure 6, the support structure 6 comprises a transverse plate 61, a first convex groove 62, a second convex groove 63, a first T-shaped plate 64 and a second T-shaped plate 65, the inner wall of the transverse plate 61 is provided with a first convex groove 62, and the first T-shaped plate 64 is slidably connected in the first convex groove 62 , a second convex groove 63 is provided on the inner wall of the first T-shaped plate 64, and a second T-shaped plate 65 is slidably connected in the second convex groove 63. A transverse groove 5 is provided on the top of the vehicle body 1, and the transverse plates 61 are symmetrically arranged on the left and right sides of the transverse groove 5. When the square slide frame 86 moves, it drives the second T-shaped plate 65 of the supporting structure 6 to slide in the second convex groove 63. When the second T-shaped plate 65 moves to the front end of the second convex groove 63, the second T-shaped plate 65 drives the first T-shaped plate 64 to slide in the first convex groove 62, and the first T-shaped plate 64 moves toward the front end of the transverse plate 61. The transverse plate 61, the first T-shaped plate 64 and the second T-shaped plate 65 cooperate to support the square slide frame 86, thereby ensuring the stability of the square slide frame 86 after the position is adjusted, which is conducive to the stable weeding by the cutting motor 91;

[0039] The support structure 6 is connected with a position adjustment structure 8 for adjusting the mowing position;

[0040] The position adjustment structure 8 is connected to a rotating structure 7 for adjusting the mowing angle;

[0041] The rotating structure 7 is connected to a mowing structure 9 for mowing grass, and the mowing structure 9 includes a cutting motor 91, a mounting frame 92, a polygonal sleeve 93, a polygonal slide bar 94, a cutting blade 95, a mounting ring 96, a fixing bolt 97 and a positioning hole 98. The mounting hole of the mounting frame 92 is fixedly mounted with the cutting motor 91, the output end of the cutting motor 91 is fixedly connected with the polygonal sleeve 93, the outer wall of the polygonal sleeve 93 is threadedly connected with the fixing bolt 97, the inner wall of the polygonal sleeve 93 is fitted and slidably connected with the polygonal slide bar 94, and the side wall of the polygonal slide bar 94 is evenly fixedly connected with the positioning hole 98. The inner end of the fixed bolt 97 is threadedly connected to the positioning hole 98, and the bottom of the polygonal slide rod 94 is fixedly connected with a mounting ring 96. The outer wall of the mounting ring 96 is evenly fixedly connected with a cutting blade 95 for mowing grass along the circumferential direction. The polygonal slide rod 94 of the sliding mowing structure 9 slides in the polygonal sleeve 93, and the polygonal slide rod 94 drives the cutting blade 95 to move. After the cutting blade 95 moves to a suitable height, the inner end of the fixed bolt 97 is rotated into the positioning hole 98, so as to facilitate the adjustment of the actual height of the cutting blade 95. The weeding height of the weeding device can be conveniently adjusted according to needs; Example

[0042] Embodiment 2 is a further improvement on embodiment 1.

[0043] like Figure 3 , 6As shown in , 7 and 8, the position adjustment structure 8 includes a scissor bracket 81, a rotating disk 82, a push rod 83, a first straight plate 84, a second straight block 85, a square slide frame 86, a pin rod 87, a second tooth plate 88, a second gear ring 89, a Z-shaped plate 810, a rotating rod 811, a limiting slide plate 812, a straight rod 813, a threaded groove 814, a limiting slide groove 815 and a second spring 816. A limiting slide groove 815 is provided at the top of the rear end of the vehicle body 1. Both ends of the limiting slide groove 815 are rotatably connected to the rotating rod 811 through fixed bearings. The rotating rod 811 is fixedly connected to the second gear ring 89. The top of the Z-shaped plate 810 is fixedly connected to the second spring 816. The top of the second spring 816 is fixedly connected with a pin rod 87, the bottom of the pin rod 87 passes through the Z-shaped plate 810 and is fixedly connected with a second toothed plate 88 used in conjunction with the second gear ring 89, the outer end of the rotating rod 811 is fixedly connected with the rotating disk 82, the outer end of the rotating disk 82 is fixedly connected with the push rod 83, the rotating rod 811 is provided with a threaded groove 814, the rotating rod 811 is threadedly connected to the limiting slide plate 812 through the threaded groove 814, the bottom of the limiting slide plate 812 is rotatably connected with a straight rod 813 through a fixedly connected bearing, the rear end of the vehicle body 1 is fixedly connected with a first straight plate 84, the first straight plate 84 is rotatably connected with the scissor fork bracket 81, and the bottom of the straight rod 813 is connected to the scissor fork bracket 81. A group of rotating plates of the fork bracket 81 are fixedly connected at the middle end of the top, and the front end top of the scissor bracket 81 is fixedly connected with a second straight block 85, and the side wall of the second straight block 85 is fixedly connected with a square slide frame 86, and the bottom of the square slide frame 86 is slidably connected to the top of the vehicle body 1, and the outer wall of the limiting slide plate 812 is slidably connected to the inner wall of the limiting slide groove 815, and the Z-shaped plate 810 is fixedly installed on the top of the vehicle body 1 by fixing bolts, and the side wall of the square slide frame 86 is fixedly connected to the inner wall of the second T-shaped plate 65. When the square slide frame 86 moves to the rear end, the scissor bracket 81 is in a folded state, and at the same time, the limiting slide plate 812 moves to the rear end of the limiting slide groove 815, and the rotating The push rod 83 of the dynamic mowing structure 9 drives the rotating disk 82 to rotate, the rotating disk 82 drives the rotating rod 811 to rotate, the threaded groove 814 of the rotating rod 811 drives the limiting slide plate 812 to slide, the limiting slide plate 812 drives the straight rod 813 to slide, the straight rod 813 unfolds the scissor fork bracket 81, and the gradually unfolded scissor fork bracket 81 pushes the second straight block 85 to move, the second straight block 85 drives the square slide frame 86 to move outward, the square slide frame 86 pushes the cutting motor 91 to move, and pushes the cutting motor 91 to move to the outside of the vehicle body 1. When it is inconvenient for the vehicle body 1 to move to the weeding position, the cutting motor 91 can be moved to the weeding position for weeding, which is convenient for actual use. Example

[0044] Embodiment 3 is a further improvement on embodiment 1.

[0045] like Figure 2 , 4As shown, the rotating structure 7 includes a first spring 71, a square ring 72, a first gear ring 73, a support shaft 74, a first toothed plate 75, a U-shaped block 76 and a slide plate 77. The support shaft 74 is rotatably connected to the inner wall of the square sliding frame 86 through a fixedly connected bearing. The first gear ring 73 is fixedly connected to the support shaft 74. The front side wall of the square sliding frame 86 is fixedly connected to the first spring 71. The front end of the first spring 71 is fixedly connected to the square ring 72. The rear end of the square ring 72 is fixedly connected to the slide plate 77. The inner end of the slide plate 77 passes through the square sliding frame 86 and is fixedly connected to the U-shaped block 76. The rear end of the U-shaped block 76 is fixedly connected to the first toothed plate 75 used in conjunction with the first gear ring 73. The inner end of the support shaft 74 is fixedly connected to the mounting frame 92. When the weeding ground is in an inclined state, the rotating structure is pulled outward. The square ring 72 of the structure 7 drives the first tooth plate 75 to separate from the first gear ring 73 through the first spring 71 and the U-shaped block 76, and the first gear ring 73 is rotated. The first gear ring 73 drives the mounting frame 92 to rotate through the support shaft 74, and the mounting frame 92 drives the cutting blade 95 to rotate to the same inclined state as the ground. Then the square ring 72 is released, and the first spring 71 drives the square ring 72 to move, the first spring 71 drives the slide plate 77 to move, the slide plate 77 drives the U-shaped block 76 to move, and the U-shaped block 76 drives the first tooth plate 75 to mesh with the first gear ring 73. The first gear ring 73 positions the support shaft 74 to realize the positioning of the cutting blade 95, ensuring that the cutting blade 95 is in a stable inclined state. When weeding is required on an inclined ground, it is convenient to adjust the weeding structure to a tilted state.

[0046] When in use, the polygonal slide bar 94 of the sliding mowing structure 9 slides in the polygonal sleeve 93, and the polygonal slide bar 94 drives the cutting blade 95 to move. After the cutting blade 95 moves to a suitable height, the inner end of the fixing bolt 97 is rotated into the positioning hole 98, so as to facilitate the adjustment of the actual height of the cutting blade 95. The weeding height of the weeding device can be conveniently adjusted according to needs. The vehicle body 1 is driven to move by the push handle 2. At the same time, the cutting motor 91 is started after the height is adjusted. The cutting motor 91 drives the cutting blade 95 to rotate through the polygonal sleeve 93, the polygonal slide bar 94 and the mounting ring 96 to perform weeding.

[0047] When the vehicle body 1 is not convenient to move to the weeding position, the push rod 83 of the mowing structure 9 is rotated, and the push rod 83 drives the rotating disk 82 to rotate, and the rotating disk 82 drives the rotating rod 811 to rotate, and the threaded groove 814 of the rotating rod 811 drives the limiting slide plate 812 to slide, and the limiting slide plate 812 drives the straight rod 813 to slide, and the straight rod 813 unfolds the scissor fork bracket 81, and the gradually unfolded scissor fork bracket 81 pushes the second straight block 85 to move, and the second straight block 85 drives the square slide frame 86 to move outward, and the square slide frame 86 pushes the cutting motor 91 to move, and pushes the cutting motor 91 to move to the outside of the vehicle body 1. When the vehicle body 1 is not convenient to move to the weeding position, the cutting motor 91 can be moved to the weeding position for weeding, which is convenient for actual use. After the position of the cutting motor 91 is adjusted, the second spring 816 drives the pin rod 87 to move downward, and the pin rod 87 drives the second tooth plate 88 to engage with the second gear ring 89 to realize the braking of the rotating rod 811, thereby ensuring the stability of the unfolded state of the scissor fork bracket 81;

[0048] When the square slide frame 86 moves, it drives the second T-shaped plate 65 of the supporting structure 6 to slide in the second convex groove 63. When the second T-shaped plate 65 moves to the front end of the second convex groove 63, the second T-shaped plate 65 drives the first T-shaped plate 64 to slide in the first convex groove 62. The first T-shaped plate 64 moves toward the front end of the transverse plate 61. The transverse plate 61, the first T-shaped plate 64 and the second T-shaped plate 65 cooperate to support the square slide frame 86, thereby ensuring the stability of the square slide frame 86 after position adjustment, which is beneficial for the cutting motor 91 to perform stable weeding.

[0049] When the weeding ground is in an inclined state, the square ring 72 of the rotating structure 7 is pulled outward, and the square ring 72 drives the first tooth plate 75 to separate from the first gear ring 73 through the first spring 71 and the U-shaped block 76, and the first gear ring 73 is rotated. The first gear ring 73 drives the mounting frame 92 to rotate through the support shaft 74, and the mounting frame 92 drives the cutting blade 95 to rotate to the same inclined state as the ground. Then the square ring 72 is released, and the first spring 71 drives the square ring 72 to move, and the first spring 71 drives the slide plate 77 to move, and the slide plate 77 drives the U-shaped block 76 to move, and the U-shaped block 76 drives the first tooth plate 75 to engage with the first gear ring 73, and the first gear ring 73 positions the support shaft 74 to realize the positioning of the cutting blade 95, thereby ensuring that the cutting blade 95 is in a stable inclined state. When weeding on an inclined ground is required, the weeding structure can be conveniently adjusted to a tilted state.

[0050] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0051] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. An agricultural weeding device for agricultural facilities, comprising a body (1), a push handle (2), legs (3) and rollers (4), characterized in that: The bottom of the vehicle body (1) is symmetrically and fixedly connected to a support leg (3), the support leg (3) being rotatably connected to a roller (4) via a fixedly connected bearing; the top right end of the vehicle body (1) is fixedly connected to a mounting sleeve (11), a storage battery (10) being fixedly mounted in the mounting sleeve (11); the top of the vehicle body (1) is connected to a support structure (6) with adjustable length; The support structure (6) is connected to a position adjustment structure (8) for adjusting the mowing position; The position adjustment structure (8) is connected to a rotation structure (7) for adjusting the mowing angle; The rotating structure (7) is connected to a mowing structure (9) for mowing grass, and the mowing structure (9) comprises a cutting motor (91), a mounting frame (92), a polygonal sleeve (93), a polygonal slide bar (94), a cutting blade (95), a mounting ring (96), a fixing bolt (97) and a positioning hole (98); the cutting motor (91) is fixedly mounted on the mounting hole of the mounting frame (92); the output end of the cutting motor (91) is fixedly connected to the polygonal sleeve (93); the outer wall of the polygonal sleeve (93) is threadedly connected to the fixing bolt (97); the inner wall of the polygonal sleeve (93) is slidably connected to the polygonal slide bar (94); the side wall of the polygonal slide bar (94) is evenly fixedly connected to the positioning hole (98); the inner end of the fixing bolt (97) is threadedly connected to the positioning hole (98); the bottom of the polygonal slide bar (94) is fixedly connected to the mounting ring (96); and the outer wall of the mounting ring (96) is evenly fixedly connected to the cutting blade (95) for mowing grass along the circumferential direction; The left side wall of the vehicle body (1) is fixedly connected to a push handle (2) for pushing the vehicle body (1) to move via bolts; The support structure (6) comprises a transverse plate (61), a first convex groove (62), a second convex groove (63), a first T-shaped plate (64) and a second T-shaped plate (65); the inner wall of the transverse plate (61) is provided with a first convex groove (62); the first T-shaped plate (64) is slidably connected in the first convex groove (62); the inner wall of the first T-shaped plate (64) is provided with a second convex groove (63); the second T-shaped plate (65) is slidably connected in the second convex groove (63); A transverse groove (5) is provided on the top of the vehicle body (1), and transverse plates (61) are symmetrically arranged on the left and right sides of the transverse groove (5); The position adjustment structure (8) comprises a scissor bracket (81), a rotating disk (82), a push rod (83), a first straight plate (84), a second straight block (85), a square slide frame (86), a pin rod (87), a second toothed plate (88), a second gear ring (89), a Z-shaped plate (810), a rotating rod (811), a limiting slide plate (812), a straight rod (813), a threaded groove (814), a limiting slide groove (815) and a second spring (816). The rear end of the vehicle body (1) A limit slide groove (815) is provided at the inner top, and both ends of the limit slide groove (815) are rotatably connected to a rotating rod (811) through fixed bearings. The rotating rod (811) is fixedly connected to a second gear ring (89). The top of the Z-shaped plate (810) is fixedly connected to a second spring (816), and the top of the second spring (816) is fixedly connected to a pin rod (87). The bottom of the pin rod (87) passes through the Z-shaped plate (810) and is fixedly connected to a second gear plate (88) used in conjunction with the second gear ring (89). The outer end of the rotating rod (811) is fixedly connected to a rotating disk (82), and the outer end of the rotating disk (82) is fixedly connected to a push rod (83). The rotating rod (811) is provided with a threaded groove (814). The rotating rod (811) is threadedly connected to a limit slide plate (812) through the threaded groove (814). The bottom of the limit slide plate (812) is rotatably connected to a straight rod (813) through a fixed bearing. The rear end of (1) is fixedly connected to a first straight plate (84), the first straight plate (84) is rotatably connected to a scissor bracket (81), the bottom of the straight rod (813) is fixedly connected to the middle end of the top of a group of rotating plates of the scissor bracket (81), the front end top of the scissor bracket (81) is fixedly connected to a second straight block (85), the side wall of the second straight block (85) is fixedly connected to a square sliding frame (86), and the bottom of the square sliding frame (86) is slidably connected to the top of the vehicle body (1); The outer wall of the limiting slide plate (812) is in close contact and sliding connection with the inner wall of the limiting slide groove (815); The Z-shaped plate (810) is fixedly mounted on the top of the vehicle body (1) by means of fixing bolts; The side wall of the square sliding frame (86) is fixedly connected to the inner wall of the second T-shaped plate (65); when the square sliding frame (86) moves to the rear end, the scissor bracket (81) is in a folded state, and at the same time, the limiting slide plate (812) moves to the rear end of the limiting slide groove (815); The rotating structure (7) comprises a first spring (71), a square ring (72), a first gear ring (73), a support shaft (74), a first toothed plate (75), a U-shaped block (76) and a slide plate (77); the support shaft (74) is rotatably connected to the inner wall of the square sliding frame (86) via a fixedly connected bearing; the support shaft (74) is fixedly connected to the first gear ring (73); the front side wall of the square sliding frame (86) is fixedly connected to the first spring (71); the front end of the first spring (71) is fixedly connected to the square ring (72); the rear end of the square ring (72) is fixedly connected to the slide plate (77); the inner end of the slide plate (77) passes through the square sliding frame (86) and is fixedly connected to the U-shaped block (76); the rear end of the U-shaped block (76) is fixedly connected to the first toothed plate (75) used in conjunction with the first gear ring (73).

2. The agricultural weeding device for agricultural facilities according to claim 1, characterized in that: The inner end of the support shaft (74) is fixedly connected to the mounting frame (92).

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