Crop inter-row weeding device

Abstract

A crop inter-row weeding device relates to the technical field of agricultural tools and comprises a main weeding roller which is horizontally and rotatably arranged, side weeding rollers which are arranged in a swinging mode are connected to the two ends of the main weeding roller respectively, a plurality of rows of weeding teeth are arranged on the peripheral walls of the main weeding roller and the side weeding rollers in a surrounding mode in the circumferential direction, and a plurality of weeding teeth are arranged in each row in parallel in the axial direction. The weeding teeth in the adjacent rows are arranged in a staggered mode, the outer ends of the weeding teeth are provided with V-shaped gathering notches, and the bottoms of the gathering notches are provided with communicated weeding notches. The weeding machine solves the problems that in the prior art, when an existing weeding machine is used for weeding, stems and leaves of weeds are smashed, so that the weeds grow again fundamentally in the later period, weeding work needs to be conducted regularly, and labor intensity is increased; and when an existing inter-row weeding machine is used and weeds grow on side ridges, the existing inter-row weeding machine cannot clean the weeds growing on the side ridges.

Description

Technical Field

[0001] This utility model relates to the field of agricultural implements technology, specifically to a weeding device for inter-row crop weeding. Background Technology

[0002] The presence of weeds competes with crop growth for nutrients and water, and they are prone to breeding pests and diseases, requiring regular weeding. Existing weeding robots on the market generally achieve the effect of weeding by shoveling up and crushing the weeds and then placing them on the ground. This method can effectively kill weeds, but for some weeds that can reproduce and regenerate by relying on their roots or a small section of their stems, this method cannot completely eliminate them, and the weeds will grow back after rain.

[0003] A prior art patent with publication number CN209185503U discloses a solution including side plate I, side plate II, front baffle, rear baffle, enclosed pesticide tank, wheels, handle, base frame, shaft, groove, spray nozzle, fixing hole, wheel groove, fixing pin, and round hole. By using wooden side plates and baffles for installation and fixing, pesticide spraying between crop rows can avoid pesticide spraying onto the crops and reduce spraying costs. Adding wheels to both sides of the side plates facilitates the movement of the inter-row weeding device, which has the advantages of simple structure, convenient operation, and low cost.

[0004] As existing devices are used, the shortcomings of this technology have gradually become apparent, mainly in the following aspects:

[0005] First, existing weeding machines break up the stems and leaves of weeds during weeding, which causes the weeds to regrow completely later, requiring regular weeding and increasing labor intensity.

[0006] Secondly, when using existing inter-row weeders, they are unable to clear weeds growing on the side ridges.

[0007] In conclusion, the existing technology obviously has inconveniences and defects in practical use, so it is necessary to improve it. Utility Model Content

[0008] To address the shortcomings of existing technologies, this utility model provides a weeding device for inter-row crops. This device solves the problem that existing weeding machines in traditional technologies simply crush the stems and leaves of weeds, which allows the weeds to regrow later and requires regular weeding, increasing labor intensity. Furthermore, existing inter-row weeding machines are unable to effectively clear weeds growing on the side ridges.

[0009] To achieve the above objectives, this utility model provides the following technical solution:

[0010] A weeding device for inter-row crops includes a horizontally rotating main weeding roller, with swinging side weeding rollers connected to both ends of the main weeding roller. The circumferential walls of the main and side weeding rollers are provided with several rows of weeding teeth, each row containing several weeding teeth arranged axially, with the weeding teeth in adjacent rows staggered.

[0011] The outer end of the weeding tooth is provided with a V-shaped gathering groove, and the bottom of the gathering groove is provided with a connected weeding groove.

[0012] As an optimized solution, the main weeding roller and the side weeding roller are arranged to rotate upwards in the direction of forward movement. Above the main weeding roller, a main cleaning brush roller is arranged in parallel and in the opposite direction of rotation. Above the side weeding roller, a side cleaning brush roller is arranged in parallel and in the opposite direction of rotation. The main cleaning brush roller and the side cleaning brush roller respectively make frictional contact with the weeding teeth.

[0013] As an optimized solution, the main cleaning brush roller is configured to rotate synchronously with the main weeding roller via a main linkage structure.

[0014] As an optimized solution, the side cleaning brush roller is configured to rotate synchronously with the side weeding roller via a side linkage structure.

[0015] As an optimized solution, the two side weeding rollers are configured to rotate synchronously with the main weeding roller via a linkage structure.

[0016] As an optimized solution, the two ends of the main cleaning brush roller are rotatably mounted on the main frame via a main shaft.

[0017] As an optimized solution, the main linkage structure includes a main drive gear fixedly connected to the main shaft, a main first reversing gear rotatably disposed on the side wall of the main frame and meshing with the main drive gear, a main second reversing gear rotatably disposed on one side of the main first reversing gear and meshing with it, and a main driven gear coaxially fixedly connected to one end of the main cleaning brush roller and meshing with the main second reversing gear.

[0018] As an optimized solution, the two ends of the side cleaning brush roller are rotatably mounted on the side frame via a side shaft, and the two ends of the side cleaning brush roller are rotatably mounted on the side frame.

[0019] As an optimized solution, the side linkage structure includes a side drive gear fixedly connected to the side shaft, a side first reversing gear rotatably provided on the side wall of the side frame and meshing with the side drive gear, a side second reversing gear rotatably provided on one side of the side first reversing gear and meshing with it, and a side driven gear coaxially fixedly connected to one end of the side cleaning brush roller and meshing with the side second reversing gear.

[0020] As an optimized solution, the linkage structure includes universal couplings located on both sides of the main frame, with the outer ends of the main shaft and the side shafts being fixedly connected to the two ends of the universal couplings.

[0021] As an optimized solution, a gear ring is fixedly connected to one of the main shafts, and a drive motor is fixedly connected to the outer wall of the main frame. The output end of the drive motor meshes with the gear ring using a gear.

[0022] As an optimized solution, the upper end of the side frame and the upper end of the main frame are respectively fixedly connected to hinge seats, and screws with opposite directions of rotation are respectively hinged on the two hinge seats. The opposite ends of the two screws are connected to a threaded sleeve by threads, and each screw is also threadedly connected to a locking nut, which abuts against the end of the threaded sleeve.

[0023] As an optimized solution, a first hinge seat is fixedly connected to the outer wall of the main frame, and a second hinge seat is fixedly connected to the outer wall of the side frame. The first hinge seat and the second hinge seat are hinged together, and the hinge center of the first hinge seat and the second hinge seat is coaxially arranged with the hinge center of the universal coupling.

[0024] As an optimized solution, a connecting frame is fixedly connected to the main frame.

[0025] Compared with the prior art, the beneficial effects of this utility model are:

[0026] The main weeding roller is driven to rotate by the drive motor, and the main weeding roller drives the side weeding rollers on both sides to rotate synchronously through the universal coupling, so as to realize the linkage action.

[0027] The main cleaning brush roller and the side cleaning brush roller are linked and rotate in opposite directions by corresponding drive gears, first reversing gears, second reversing gears and driven gears, so as to remove the stems and leaves pulled out by the weeding teeth and achieve cleaning.

[0028] The distance between the two opposing screws can be adjusted by rotating the threaded sleeve, thereby adjusting the swing angle of the side weeding roller to meet the weeding needs of different side slopes, making it easy to adjust and improving weeding efficiency;

[0029] The outer end of the weeding tooth has a V-shaped gathering slot, and the bottom of the gathering slot has a connected weeding slot. The roller wall facing the forward direction rotates upward, so that when the weeding device moves forward, the main stem of the weed is guided into the weeding slot through the gathering slot. As the weeding rod rotates, the weeding tooth is lifted, giving the weed an upward lifting force and pulling it out. When the weeding tooth rotates to its highest point and then rotates backward, the bottom surface of the vertical tooth faces upward. The cleaning brush roller rotates in the opposite direction to push the weed from the weeding slot into the gathering slot, and then guides the weed down, thus achieving cleaning.

[0030] This improves weed removal efficiency and reduces the frequency of regular weeding. Attached Figure Description

[0031] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0032] Figure 1 This is a schematic diagram of the structure of this utility model.

[0033] In the diagram: 1-Main frame; 2-Side frame; 3-Main weeding roller; 4-Weeding teeth; 5-Gathering groove; 6-Weeding groove; 7-Main cleaning brush roller; 8-Main shaft; 9-Main drive gear; 10-Main first reversing gear; 11-Main second reversing gear; 12-Main driven gear; 13-Gear ring; 14-Driver; 15-Side weeding roller; 16-Side cleaning brush roller; 17-Side drive gear; 18-Side first reversing gear; 19-Side second reversing gear; 20-Side driven gear; 21-Hinge seat; 22-Screw; 23-Threaded sleeve; 24-Locking nut; 25-Connecting frame; 26-First hinge seat; 27-Second hinge seat. Detailed Implementation

[0034] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and should not be construed as limiting the scope of protection of the present invention.

[0035] like Figure 1 As shown, the inter-row weeding device for crops includes a horizontally rotating main weeding roller 3, with swinging side weeding rollers 15 connected to both ends of the main weeding roller 3. The circumferential walls of the main weeding roller 3 and the side weeding rollers 15 are surrounded by several rows of weeding teeth 4. Each row of weeding teeth 4 has several teeth arranged side-by-side along the axial direction, and the weeding teeth 4 in adjacent rows are staggered.

[0036] The outer end of the weeding tooth 4 is provided with a V-shaped gathering groove 5, and the bottom of the gathering groove 5 is provided with a connected weeding groove 6.

[0037] The main weeding roller 3 and the side weeding roller 15 are arranged to rotate upwards towards the roller wall in the forward direction. Above the main weeding roller 3, a main cleaning brush roller 7 is arranged in the opposite direction of rotation. Above the side weeding roller 15, a side cleaning brush roller 16 is arranged in the opposite direction of rotation. The main cleaning brush roller 7 and the side cleaning brush roller 16 respectively rub against the weeding teeth 4.

[0038] The main cleaning brush roller 7 is set to rotate synchronously with the main weeding roller 3 through a main linkage structure.

[0039] The side cleaning brush roller 16 is set to rotate synchronously with the side weeding roller 15 through a side linkage structure.

[0040] The two side weeding rollers 15 are set to rotate synchronously with the main weeding roller 3 through a linkage structure.

[0041] The two ends of the main cleaning brush roller 7 are rotatably mounted on the main frame 1 via the main shaft 8.

[0042] The main linkage structure includes a main drive gear 9 fixedly connected to the main shaft 8, a main first reversing gear 10 rotatably connected to the side wall of the main frame 1 and meshing with the main drive gear 9, a main second reversing gear 11 rotatably connected to one side of the main first reversing gear 10 and meshing with it, and a main driven gear 12 coaxially fixedly connected to one end of the main cleaning brush roller 7 and meshing with the main second reversing gear 11.

[0043] Both ends of the side cleaning brush roller 16 are rotatably mounted on the side frame 2 via a side shaft.

[0044] The side linkage structure includes a side drive gear 17 fixedly connected to the side shaft, a side first reversing gear 18 rotatably provided on the side wall of the side frame 2 and meshing with the side drive gear 17, a side second reversing gear 19 rotatably provided on one side of the side first reversing gear 18 and meshing with it, and a side driven gear 20 coaxially fixedly connected to one end of the side cleaning brush roller 16 and meshing with the side second reversing gear 19.

[0045] The linkage structure includes universal couplings located on both sides of the main frame 1, with the outer ends of the main shaft 8 and the outer ends of the side shafts being fixedly connected to the two ends of the universal couplings.

[0046] A gear ring 13 is fixedly connected to one of the main shafts 8, and a drive motor 14 is fixedly connected to the outer wall of the main frame 1. The output end of the drive motor 14 meshes with the gear ring 13 using gears.

[0047] The upper end of the side frame 2 and the upper end of the main frame 1 are respectively fixed with hinge seats 21. The two hinge seats 21 are respectively hinged with screws 22 with opposite directions of rotation. The opposite ends of the two screws 22 are connected to the threaded sleeve 23 by threads. Each screw 22 is also threaded with a locking nut 24, which abuts against the end of the threaded sleeve 23.

[0048] A first hinge seat 26 is fixedly connected to the outer wall of the main frame 1, and a second hinge seat 27 is fixedly connected to the outer wall of the side frame 2. The first hinge seat 26 and the second hinge seat 27 are hinged together, and the hinge center of the first hinge seat 26 and the second hinge seat 27 is coaxially set with the hinge center of the universal coupling.

[0049] A connecting frame 25 is fixedly connected to the main frame 1, and the connecting frame 25 is used to connect to the vehicle body.

[0050] The working principle of this device is as follows:

[0051] The main weeding roller 3 is driven to rotate by the drive motor 14, and the main weeding roller 3 drives the side weeding rollers 15 on both sides to rotate synchronously through the universal coupling, so as to realize the linkage action.

[0052] The main cleaning brush roller 7 and the side cleaning brush roller 16 are linked and rotate in opposite directions by corresponding drive gears, first reversing gears, second reversing gears and driven gears, so as to remove the stems and leaves pulled out by the weeding teeth 4 and achieve cleaning.

[0053] The distance between the two opposing screws 22 can be adjusted by rotating the threaded sleeve 23, thereby adjusting the swing angle of the side weeding roller 15 to meet the weeding needs of different side slopes, making it easy to adjust and improving weeding efficiency.

[0054] The outer end of the weeding tooth 4 is provided with a V-shaped gathering groove 5. The bottom of the gathering groove 5 is provided with a connected weeding groove 6. The roller wall facing the forward direction is rotated upward. This allows the weeding device to guide the main stem of the weed into the weeding groove 6 through the gathering groove 5 during the forward movement. As the weeding rod rotates, the weeding tooth 4 is lifted, giving the weed an upward lifting force and pulling it out. When the weeding tooth 4 rotates to its highest point and then rotates backward, the bottom surface of the vertical groove tooth faces upward. The cleaning brush roller rotates in the opposite direction to push the weed from the weeding groove 6 into the gathering groove 5, thereby guiding the weed down and achieving cleaning.

[0055] This improves weed removal efficiency and reduces the frequency of regular weeding.

[0056] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model, and they should all be covered within the scope of the claims and specification of this utility model.

Claims

1. A weeding device for inter-row crops, characterized in that: The system includes a horizontally rotating main weeding roller (3), with swinging side weeding rollers (15) connected to both ends of the main weeding roller (3). The main weeding roller (3) and the side weeding rollers (15) have several rows of weeding teeth (4) arranged circumferentially around their periphery. Each row of weeding teeth (4) has several teeth arranged side-by-side axially, and the weeding teeth (4) in adjacent rows are staggered. The outer end of the weeding tooth (4) is provided with a V-shaped gathering groove (5), and the bottom of the gathering groove (5) is provided with a connected weeding groove (6).

2. The crop row weeding device according to claim 1, characterized in that: The main weeding roller (3) and the side weeding roller (15) are arranged to rotate upwards toward the roller wall in the forward direction. A main cleaning brush roller (7) is arranged in parallel above the main weeding roller (3) and in the opposite direction of its rotation. A side cleaning brush roller (16) is arranged in parallel above the side weeding roller (15) and in the opposite direction of its rotation. The main cleaning brush roller (7) and the side cleaning brush roller (16) respectively rub against the weeding teeth (4).

3. The crop row weeding device according to claim 2, characterized in that: The main cleaning brush roller (7) is configured to rotate synchronously with the main weeding roller (3) through a main linkage structure; the side cleaning brush roller (16) is configured to rotate synchronously with the side weeding roller (15) through a side linkage structure; the two side weeding rollers (15) are configured to rotate synchronously with the main weeding roller (3) through a linkage structure.

4. The crop row weeding device according to claim 3, characterized in that: The two ends of the main cleaning brush roller (7) are rotatably mounted on the main frame (1) via the main shaft (8).

5. The crop row weeding device according to claim 4, characterized in that: The main linkage structure includes a main drive gear (9) fixedly connected to the main shaft (8), a main first reversing gear (10) meshing with the main drive gear (9) is rotatably provided on the side wall of the main frame (1), a main second reversing gear (11) meshing with the main drive gear (9) is rotatably provided on one side of the main first reversing gear (10), and a main driven gear (12) meshing with the main second reversing gear (11) is coaxially fixedly connected to one end of the main cleaning brush roller (7).

6. The crop row weeding device according to claim 5, characterized in that: The two ends of the side cleaning brush roller (16) are rotatably mounted on the side frame (2) via a side shaft.

7. The crop row weeding device according to claim 6, characterized in that: The side linkage structure includes a side drive gear (17) fixedly connected to the side shaft, a side first reversing gear (18) rotatably connected to the side wall of the side frame (2) and meshing with the side drive gear (17), a side second reversing gear (19) rotatably connected to one side of the side first reversing gear (18) and meshing with it, and a side driven gear (20) coaxially fixedly connected to one end of the side cleaning brush roller (16) and meshing with the side second reversing gear (19).

8. The crop row weeding device according to claim 7, characterized in that: The linkage structure includes universal couplings located on both sides of the main frame (1), with the outer end of the main shaft (8) and the outer end of the side shaft being fixedly connected to both ends of the universal coupling.

9. The crop row weeding device according to claim 8, characterized in that: A gear ring (13) is fixedly connected to one of the main shafts (8), and a drive motor (14) is fixedly connected to the outer wall of the main frame (1). The output end of the drive motor (14) meshes with the gear ring (13) using a gear.

10. The crop row weeding device according to claim 9, characterized in that: The upper end of the side frame (2) and the upper end of the main frame (1) are respectively fixed with hinge seats (21). The two hinge seats (21) are respectively hinged with screws (22) with opposite directions of rotation. The opposite ends of the two screws (22) are connected to the threaded sleeve (23) by threads. Each screw (22) is also threaded with a locking nut (24). The locking nut (24) abuts against the end of the threaded sleeve (23).

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