Agricultural weeding device

Abstract

The utility model discloses an agricultural weeding device, and relates to the technical field of weeding devices. The bottom of the rack is connected with the fixed end of a first telescopic rod, the telescopic end of the first telescopic rod is connected with a sliding block, the bottom of the sliding block is rotationally connected with a cutting assembly, a driving assembly matched with the cutting assembly is further arranged on the inner side of the cutting assembly, and the inner wall of the sliding block is connected with the fixed end of a second telescopic rod. The telescopic end of the second telescopic rod is connected with a clamping assembly. The first telescopic rod and the sliding block are arranged, the first telescopic rod stretches out and draws back to drive the sliding block to move up and down, then the height of the cutting assembly is adjusted, adjustment can be conducted according to the length of weeds, and the situation that weeding cannot be conducted due to the fact that the weeds are too short in the moving process is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural technology field, concretely is a kind of agricultural weeding device. BACKGROUND

[0002] The development and application of agricultural weeding device are currently undergoing an important change, and the traditional chemical weeding method causes irreversible damage to the environment, while mechanical weeding device is of great significance to improve production efficiency and environmental protection, and the development trend of these technical equipment can make agricultural production towards environmental protection and intelligentization.

[0003] However, the existing weeding device cannot cut the bottom of the weeds during the weeding process, which affects the weeding efficiency, because the heights of different fields are different, and the blade position in the weeding device is usually fixed.

[0004] Therefore, the present application provides an agricultural weeding device that can eliminate the drawbacks of existing devices. UTILITY MODEL CONTENT

[0005] The utility model aims to provide an agricultural weeding device to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] An agricultural weeding device includes a frame, a first telescopic rod connected to the bottom of the frame, a sliding block connected to the telescopic end of the first telescopic rod, a cutting assembly rotatably connected to the bottom of the sliding block, a driving assembly provided inside the sliding block and cooperating with the cutting assembly, a second telescopic rod connected to the inner wall of the sliding block, and a clamping assembly connected to the telescopic end of the second telescopic rod.

[0008] Preferably, the frame includes an upper support plate, a support rod, a handrail, a rear support column, a roller, a front support column, a universal wheel, a side support plate, and a sliding groove, two support rods are fixedly connected to the upper support plate, a handrail is provided between the two support rods, two rear support columns are fixedly connected to the bottom of the upper support plate, a roller is rotatably connected between the two rear support columns, two front support columns are fixedly connected to the side of the upper support plate away from the rear support columns, a universal wheel is rotatably connected to the bottom of the front support column, two side support plates are symmetrically provided on the side of the upper support plate, and a sliding groove is formed in the inner wall of the side support plate.

[0009] Preferably, the cutting assembly includes a shaft, a support ring, a blade, and a bevel gear, a support ring is fixedly connected to the shaft, a bevel gear is fixedly connected to the top of the shaft, and a blade is fixedly connected to the end of the shaft away from the bevel gear.

[0010] Preferably, the clamping assembly comprises L-shaped clamping arms, a rack, a guide column, a connecting block and a gear, two L-shaped clamping arms are symmetrically arranged at two sides of the gear, a rack is fixedly connected to one end of the L-shaped clamping arm and engaged with the gear, the connecting block is fixedly connected above the rack at the right side, the clamping assembly is connected with the extension end of the second extension rod through the connecting block, and the guide column is fixedly connected to the end of the rack away from the L-shaped clamping arm.

[0011] Preferably, the driving assembly comprises a motor, a motor support, an output shaft and a counter tapered gear, the motor is fixedly connected to the motor support, the motor support is fixedly connected to the surface of the sliding block, an output shaft is arranged at the output end of the motor in a matched mode, and the counter tapered gear is arranged at the end of the output shaft away from the motor and engaged with the tapered gear.

[0012] Preferably, the sliding block comprises a transmission cavity, a rotating shaft hole, an output shaft mounting hole, a limiting sliding slot, an extension block and a guide groove, one side of the sliding block is provided with the transmission cavity, the bottom of the transmission cavity is provided with the rotating shaft hole, the side of the transmission cavity is provided with the output shaft mounting hole, the end of the sliding block away from the transmission cavity is provided with the limiting sliding slot, two extension blocks are symmetrically arranged at the two sides of the sliding block, and the bottom of the sliding block is provided with two guide grooves.

[0013] Preferably, the rotating shaft hole and the rotating shaft rod are matched in size, the output shaft mounting hole and the output shaft are matched in size, the limiting sliding slot and the connecting block are matched in shape, the extension block and the sliding slot are matched, and the guide groove and the guide column are matched in shape.

[0014] Preferably, a plurality of tooth comb grooves are equidistantly arranged at the end of the L-shaped clamping arm away from the rack.

[0015] Compared with the prior art, the utility model has the advantages of the following:

[0016] 1、The first extension rod and the sliding block are arranged in the utility model, the first extension rod drives the sliding block to move up and down, thereby the height of the cutting assembly is adjusted, the height can be adjusted according to the length of the weeds, and the weeds are not too short to be removed.

[0017] 2、The two sides of the clamping assembly are gathered to the middle by the second extension rod in the utility model, thereby the weeds that are laid down are combed neatly, the weeds are supported and pushed to one side of the cutting assembly, and the efficiency of weeding is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic view of the utility model.

[0019] Figure 2 It is a structural schematic view of the utility model rack.

[0020] Figure 3 It is a schematic view of cooperation of the clamping assembly and the cutting assembly in the utility model.

[0021] Figure 4 It is a schematic view of cooperation of the driving assembly and the cutting assembly in the utility model.

[0022] Figure 5 It is a structural schematic view of the sliding block in the utility model.

[0023] Figure 6 It is a structural schematic view of the clamping assembly in the utility model.

[0024] Annotation of reference signs: 100, rack; 101, upper support plate; 102, support rod; 103, handrail; 104, rear support column; 105, roller; 106, front support column; 107, universal wheel; 108, side support plate; 109, sliding groove; 200, cutting assembly; 201, rotating shaft rod; 202, support ring; 203, blade; 204, bevel gear; 300, clamping assembly; 301, L-shaped clamping arm; 302, rack; 303, guide column; 304, connecting block; 305, gear; 400, driving assembly; 401, motor; 402, motor support; 403, output shaft; 404, counter bevel gear; 500, sliding block; 501, transmission cavity; 502, rotating shaft hole; 503, output shaft mounting hole; 504, limiting sliding groove; 505, extension block; 506, guide groove; 600, first telescopic rod; 700, second telescopic rod. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples.

[0026] In one embodiment, as shown in Figures 1-6 An agricultural weeding device, comprising a rack 100; the bottom of the rack 100 is connected with the fixed end of a first telescopic rod 600, the telescopic end of the first telescopic rod 600 is connected with a sliding block 500, the bottom of the sliding block 500 is rotatably connected with a cutting assembly 200, the sliding block 500 is driven to move up and down by the telescopic movement of the first telescopic rod 600, thereby adjusting the height of the cutting assembly 200; the inside of the cutting assembly 200 is also provided with a driving assembly 400 cooperating with the cutting assembly 200, which provides power for the cutting of the cutting assembly 200; the inner wall of the sliding block 500 is connected with the fixed end of a second telescopic rod 700, the telescopic end of the second telescopic rod 700 is connected with a clamping assembly 300, the two sides of the clamping assembly 300 are gathered to the middle by the second telescopic rod 700, thereby fixing weeds.

[0027] In one embodiment, as shown in Figure 2 The rack 100 includes an upper support plate 101, support rods 102, armrests 103, rear support columns 104, rollers 105, front support columns 106, universal wheels 107, side support plates 108, and sliding grooves 109. The upper support plate 101 is fixedly connected with two support rods 102, and the two support rods 102 are cooperatively provided with armrests 103. The bottom of the upper support plate 101 is fixedly connected with two rear support columns 104, and the two rear support columns 104 are rotatably connected with rollers 105. The side of the upper support plate 101 away from the rear support columns 104 is fixedly connected with two front support columns 106, and the bottom of the front support columns 106 is rotatably connected with universal wheels 107. The rollers 105 are rolled by pushing the armrests 103, so that the rack 100 can be conveniently pushed to the position where the weeds are to be removed. The universal wheels 107 can adjust the rolling direction. The side of the upper support plate 101 is symmetrically provided with two side support plates 108, and the inner wall of the side support plates 108 is provided with sliding grooves 109.

[0028] In one embodiment, as shown in Figure 4 The cutting assembly 200 includes a rotating shaft rod 201, a support ring 202, a blade 203, and a bevel gear 204. The rotating shaft rod 201 is fixedly connected with a support ring 202 for supporting the cutting assembly 200. The top of the rotating shaft rod 201 is fixedly connected with a bevel gear 204, and the end of the rotating shaft rod 201 away from the bevel gear 204 is fixedly connected with a blade 203 for cutting weeds.

[0029] In one embodiment, as shown in Figure 6 The clamping assembly 300 includes L-shaped clamping arms 301, racks 302, guide columns 303, connecting blocks 304, and gears 305. There are two L-shaped clamping arms 301 symmetrically arranged on the two sides of the gear 305. One end of the L-shaped clamping arm 301 is fixedly connected with a rack 302 engaged with the gear 305. The connecting block 304 is fixedly connected above the right rack 302. The clamping assembly 300 is connected with the extension end of the second telescopic rod 700 through the connecting block 304. The end of the rack 302 away from the L-shaped clamping arm 301 is fixedly connected with a guide column 303. During the extension and retraction of the second telescopic rod 700, the connecting block 304 slides synchronously, thereby driving the rack 302 and the L-shaped clamping arm 301 on one side to slide. Since the rack 302 is engaged with the gear 305, the rack 302 on one side drives the rack 302 on the other side to slide synchronously through the gear 305, thereby making the L-shaped clamping arm 301 on the other side slide, and the L-shaped clamping arms 301 on the two sides gather towards the middle synchronously.

[0030] In one embodiment, as shown in Figure 4As shown, the driving assembly 400 includes a motor 401, a motor support 402, an output shaft 403 and a matching bevel gear 404, the motor 401 is fixedly connected on the motor support 402, the motor support 402 is fixedly connected on the surface of the sliding block 500, the output end of the motor 401 is matched with an output shaft 403, the end of the output shaft 403 away from the motor 401 is provided with a matching bevel gear 404 which is engaged with the bevel gear 204, the motor 401 is started, and the output shaft 403 is rotated, and since the matching bevel gear 404 in the output shaft 403 and the bevel gear 204 are engaged with each other, power is provided for the rotation of the cutting assembly 200.

[0031] In one embodiment, as shown in the figure, Figure 5 As shown, the sliding block 500 includes a transmission cavity 501, a rotating shaft hole 502, an output shaft mounting hole 503, a limiting sliding groove 504, an extension block 505 and a guide groove 506, one side of the sliding block 500 is provided with the transmission cavity 501, the transmission cavity 501 is provided with the rotating shaft hole 502 at the bottom, the transmission cavity 501 is provided with the output shaft mounting hole 503 at the side, the end of the sliding block 500 away from the transmission cavity 501 is provided with the limiting sliding groove 504, the two sides of the sliding block 500 are symmetrically provided with the two extension blocks 505, and the bottom of the sliding block 500 is provided with the two guide grooves 506.

[0032] In one embodiment, as shown in the figure, Figures 3-5 As shown, the rotating shaft hole 502 and the rotating shaft rod 201 are matched in size, the rotation of the rotating shaft rod 201 is limited, the output shaft mounting hole 503 and the output shaft 403 are matched in size, the rotation of the output shaft 403 is limited, the limiting sliding groove 504 and the connecting block 304 are matched in shape, the sliding of the connecting block 304 is limited and supported, the extension block 505 and the sliding groove 109 are matched, the sliding block 500 slides along the inner wall of the sliding groove 109 through the extension block 505, and the guide groove 506 and the guide column 303 are matched in shape, the sliding of the guide column 303 is supported, and the sliding of the rack 302 and the L-shaped clamping arm 301 is further supported.

[0033] In one embodiment, as shown in the figure, Figure 3 As shown, the end of the L-shaped clamping arm 301 away from the rack 302 is also provided with a plurality of tooth comb grooves at equal intervals, which can comb the crops such as weeds which are flat or disorderly, support and push them to the blade 203, so as to improve the efficiency and quality of weeding.

[0034] Working principle: first, by the handrail 103 push the roller 105 rotation, make gantry 100 movement to weeding operation area, wherein, the universal wheel 107 can adjust the direction of movement of the gantry 100, then, start the first telescopic rod 600, let the first telescopic rod 600 telescopic end drive the slider 500 along the slide groove 109 inner wall sliding, synchronous adjustment cutting assembly 200 height, then, start the second telescopic rod 700, let the second telescopic rod 700 telescopic end push a side of the rack 302 sliding, because the rack 302 and gear 305 meshing, located in a side of the rack 302 through the gear 305 drive the other side of the rack 302 synchronous sliding, in turn make the other side of the L-shaped clamping arm 301 sliding, both sides of the L-shaped clamping arm 301 synchronous to the middle of the gathering, to the whole grass combing neat, foster and push to the blade 203, finally, start the motor 401, let the output shaft 403 through the matching bevel gear 404 and bevel gear 204 meshing drive the rotating shaft rod 201 rotation, in turn make the blade 203 rotation cutting weeds, at the same time, synchronous continue to push the handrail 103, the weeds in front of the cleaning.

[0035] The above described, only for the specific embodiments of this application, but the scope of protection of the present application is not limited to this, any skilled in the art of the technical personnel in the technical range of the present application, can easily think of changes or replacement, should be covered in the scope of protection of the present application. Therefore, the scope of protection of the present application should be subject to the scope of protection of claims.

Claims

1. An agricultural weeding device comprising a frame (100); characterized in that, The bottom of the rack (100) is connected with the fixed end of the first telescopic rod (600), the telescopic end of the first telescopic rod (600) is connected with a sliding block (500), the bottom of the sliding block (500) is rotatably connected with a cutting assembly (200), the inner side of the sliding block (500) is also provided with a driving assembly (400) matched with the cutting assembly (200), the inner wall of the sliding block (500) is connected with the fixed end of the second telescopic rod (700), and the telescopic end of the second telescopic rod (700) is connected with a clamping assembly (300).

2. The agricultural weeding device of claim 1, wherein The rack (100) comprises an upper support plate (101), a support rod (102), a handrail (103), a rear support column (104), a roller (105), a front support column (106), a universal wheel (107), a side support plate (108) and a sliding groove (109), the upper support plate (101) is fixedly connected with two support rods (102), the two support rods (102) are matched with a handrail (103), the bottom of the upper support plate (101) is fixedly connected with two rear support columns (104), the two rear support columns (104) are rotatably connected with rollers (105), the side, away from the rear support column (104), of the upper support plate (101) is fixedly connected with two front support columns (106), the bottom of the front support column (106) is rotatably connected with a universal wheel (107), and the side of the upper support plate (101) is symmetrically provided with two side support plates (108), the inner wall of the side support plate (108) is provided with a sliding groove (109).

3. The agricultural weeding device of claim 2, wherein The cutting assembly (200) comprises a rotating shaft rod (201), a support ring (202), a blade (203) and a bevel gear (204), the rotating shaft rod (201) is fixedly connected with a support ring (202), the top of the rotating shaft rod (201) is fixedly connected with a bevel gear (204), and the end, away from the bevel gear (204), of the rotating shaft rod (201) is fixedly connected with a blade (203).

4. The agricultural weeding device of claim 3, wherein The clamping assembly (300) comprises an L-shaped clamping arm (301), a rack (302), a guide column (303), a connecting block (304) and a gear (305), there are two L-shaped clamping arms (301) symmetrically arranged on the two sides of the gear (305), one end of the L-shaped clamping arm (301) is fixedly connected with a rack (302) engaged with the gear (305), the connecting block (304) is fixedly connected above the rack (302) on the right side, the clamping assembly (300) is connected with the telescopic end of the second telescopic rod (700) through the connecting block (304), and the end, away from the L-shaped clamping arm (301), of the rack (302) is fixedly connected with a guide column (303).

5. The agricultural weeding device of claim 4, wherein The drive assembly (400) includes motor (401), motor support (402), output shaft (403) and matching bevel gear (404), the motor (401) is fixedly connected on motor support (402), the motor support (402) is fixedly connected on the surface of slider (500), the output end of motor (401) is matched with an output shaft (403), the output shaft (403) is equipped with a matching bevel gear (404) on the end away from motor (401), and the matching bevel gear (404) is engaged with bevel gear (204).

6. A weed control device for agricultural use according to claim 5, wherein The slider (500) includes transmission cavity (501), shaft hole (502), output shaft mounting hole (503), limiting sliding groove (504), extension block (505) and guide groove (506), one side of the slider (500) is provided with transmission cavity (501), the bottom of the transmission cavity (501) is provided with shaft hole (502), the side of the transmission cavity (501) is provided with output shaft mounting hole (503), one end of the slider (500) away from the transmission cavity (501) is provided with limiting sliding groove (504), both sides of the slider (500) are symmetrically provided with two extension blocks (505), and the bottom of the slider (500) is provided with two guide grooves (506).

7. A weed control device for agricultural use according to claim 6, wherein The shaft hole (502) and the shaft rod (201) are matched in size, the output shaft mounting hole (503) and the output shaft (403) are matched in size, the limiting sliding groove (504) and the connecting block (304) are matched in shape, the extension block (505) and the sliding groove (109) are matched, and the guide groove (506) and the guide column (303) are matched in shape.

8. The agricultural weeding device of claim 4, wherein Multiple tooth comb grooves are also equidistantly formed in the end of the L-shaped clamping arm (301) away from the rack (302).

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