A fertilizing, weeding and irrigating device for corn planting
By designing a fertilization, weeding, and irrigation device for corn planting, and utilizing rotating body and obstacle sensing technology, automated weeding and fertilization have been achieved. This solves the problem of low efficiency in traditional manual weeding, protects corn roots from damage, and improves operational efficiency.
Patent Information
- Application Number
- CN202510320565.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2026-11-06
- Estimated Expiration
- 2045-03-18
AI Technical Summary
Traditional manual weeding methods are inefficient in corn cultivation, making it difficult to effectively remove weeds between plants. Furthermore, fertilization and irrigation are separate operations, making automation impossible.
Design a fertilization, weeding and irrigation device that uses a rotating body with a support arm, cutting blades and nozzles, combined with obstacle sensing components and a control module to achieve automated weeding and fertilization. The rotating body avoids spraying near the corn roots by bypassing the plants.
It enables automated weeding and fertilization in corn planting, protects corn roots and stems from damage, improves weeding efficiency, and achieves precise spraying of mixed liquids.
Smart Images

Figure CN119836924B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of agricultural technology, specifically to a fertilization, weeding, and irrigation device for corn cultivation. Background Technology
[0002] Corn is a common crop, rich in protein, fat, vitamins, trace elements, and fiber. It can be used to make various dishes, such as corn fritters and corn juice. It is also a major raw material for industrial alcohol and spirits.
[0003] Several weeding operations are usually required when planting corn. Because the corn plants are spaced apart and relatively thick, it is difficult to remove the weeds between the plants. The traditional method is manual weeding, which is not very efficient. Summary of the Invention
[0004] To address the shortcomings of existing technologies, this invention provides a fertilization, weeding, and irrigation device for corn cultivation.
[0005] The technical solution of this invention is as follows: This invention provides a fertilization, weeding, and irrigation device for corn planting, comprising a rotating body having several annularly distributed support arms, a first vertical pipe fixedly installed in the middle of the rotating body, the first vertical pipe being rotatably connected to a cantilever, a first rotation drive device connected to the first vertical pipe being installed on the cantilever, a second vertical pipe being rotatably installed inside the first vertical pipe, the upper end of the second vertical pipe being connected to a water inlet pipe via a first rotary joint, a second rotary joint being rotatably installed at the lower end of the second vertical pipe, and several third vertical pipes with closed upper ends and open lower ends being arranged along the length direction at the bottom of the support arms, the upper ends of the third vertical pipes being rotatably connected to the support arms, and the second vertical pipes being connected to the multiple third vertical pipes via a transmission assembly; The second rotary joint is connected to multiple third vertical pipes via connecting components. Several cutting blades are installed on the outer periphery of the lower end of the third vertical pipe. A nozzle is fixedly installed at the lower end of the third vertical pipe. A second rotary drive device is installed on the cantilever and driven by the upper part of the second vertical pipe. Obstacle sensing components facing both sides are installed on the top of the support arm. The cantilever is connected to the walker. The obstacle sensing components, the first rotary drive device, and the second rotary drive device are all connected to the control module on the walker. The water inlet pipe is connected to the water supply module on the walker.
[0006] Furthermore, a first ring is rotatably fitted onto the upper part of the first vertical tube, and the first ring is fixedly connected to the cantilever.
[0007] Furthermore, the obstacle sensing component is a camera.
[0008] Furthermore, the outer circumference of the rotating body is fitted with a belt by several pulleys, the outer circumference of the rotating body extends downward to form a peripheral wall, the belt is located on the outside of the peripheral wall, at least one pulley is connected to the transmission assembly, and the bottom of the belt is provided with evenly distributed cleaning components along its length.
[0009] Furthermore, the cleaning component is an elastic strip, the upper end of which is fixedly connected to the belt.
[0010] Furthermore, the connecting component includes a hollow ring, which is sealed and rotatably mounted on the third vertical pipe. The third vertical pipe has a water inlet hole corresponding to the position of the hollow ring. The second rotary joint is connected to the adjacent hollow ring and to two adjacent hollow rings through a connecting pipe.
[0011] Furthermore, the transmission assembly includes a driving gear, a driven gear, and a transmission gear. The driving gear is mounted on the second vertical tube, the driven gear is mounted on the third vertical tube, and the transmission gear is mounted on the rotating body via a shaft. The driving gear is connected to the adjacent driven gear, and two adjacent driven gears are connected via the transmission gear.
[0012] Furthermore, the first rotary drive device includes a first drive motor, which is connected to the first vertical tube via a first sprocket assembly, and the second rotary drive device includes a second drive motor, which is connected to the second vertical tube via a second sprocket assembly.
[0013] Furthermore, a pressure wheel located on the outside of the belt is installed at the angle between two adjacent support arms.
[0014] The beneficial effects achieved by this invention are as follows: In use, this invention first extends one of the support arms between two adjacent corn plants, then activates the second rotary drive device and water supply module. The blades rotate, chopping up the weeds that pass by, while the nozzles spray the mixed liquid onto the area where the support arm passes. The walker drives the rotating body forward. When the obstacle sensor detects a plant near the front, it transmits a signal to the control module. The control module controls the first rotary drive device to rotate at a certain angle, allowing the rotating body to bypass the plant. The other support arm then enters the area between the plants in front, thus avoiding the plant and controlling the spraying range of the mixed liquid. The mixed liquid will not be sprayed too close to the roots of the corn plants, which not only controls weed regeneration but also avoids damaging the plant roots. It also sprays fertilizer liquid around the plants, achieving automated weeding, fertilization, and irrigation. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the overall structure of the present invention.
[0016] Figure 2 It is along Figure 1A schematic diagram of the AA-line cross-sectional structure.
[0017] Figure 3 yes Figure 2 A magnified schematic diagram of a portion of the part. Detailed Implementation
[0018] To facilitate understanding of the present invention by those skilled in the art, specific embodiments of the present invention will be described below with reference to the accompanying drawings.
[0019] like Figures 1-3 As shown, this invention provides a fertilization, weeding, and irrigation device for corn planting, comprising a rotating body with several annularly distributed support arms 1. A first vertical pipe 2 is fixedly installed through the middle of the rotating body. A first ring 3 is rotatably fitted onto the upper part of the first vertical pipe 2. The first ring 3 is fixedly connected to a cantilever 4. A first rotation drive device connected to the first vertical pipe 2 is installed on the cantilever. A second vertical pipe 5 is rotatably installed inside the first vertical pipe. The upper end of the second vertical pipe 5 is connected to a water inlet pipe 6 through a first rotary joint. A second rotary joint is rotatably installed at the lower end of the second vertical pipe. Several third vertical pipes 7, with closed upper ends and open lower ends, are arranged along the length of the support arms. The upper ends of the third vertical pipes 7 are rotatably connected to the support arms. The second vertical pipe is connected to multiple third vertical pipes via a transmission assembly. The second vertical pipe drives the multiple third vertical pipes to rotate via the transmission assembly. The second rotary joint is connected to the multiple third vertical pipes via a connecting component. Several cutting blades 8 are installed on the outer periphery of the lower end of the third vertical pipe. A nozzle 9 is fixedly installed on the lower end of the third vertical pipe. A second rotary drive device connected to the upper part of the second vertical pipe is installed on the cantilever. Obstacle sensing components 10 facing both sides are installed on the top of the support arm. The obstacle sensing components 10 are preferably cameras. The cantilever is connected to the walking device. The obstacle sensing components, the first rotary drive device, and the second rotary drive device are all connected to the control module on the walking device. The water inlet pipe is connected to the water supply module on the walking device.
[0020] The outer circumference of the rotating body is fitted with a belt 11 via several pulleys. The outer circumference of the rotating body extends downward to form a peripheral wall 12. The belt is located on the outside of the peripheral wall. At least one pulley is connected to the transmission component and rotates with the rotating component. The bottom of the belt 11 is provided with evenly distributed cleaning components along its length. When the belt rotates, the cleaning components can pre-clean up stones on the path of the rotating body to prevent stones from touching the blade 8, which can effectively protect the blade. It can also prevent the mixed liquid containing herbicide and fertilizer sprayed from the nozzle from being sprayed too close to the roots of the corn plants.
[0021] The cleaning component is preferably an elastic strip, with the upper end of the elastic strip fixedly connected to the belt and the lower end of the elastic strip touching the ground.
[0022] The connecting component includes a hollow ring 13, which is sealed and rotatably mounted on the third vertical pipe. The third vertical pipe has a water inlet hole 14 at the position corresponding to the hollow ring. The second rotary joint is connected to the adjacent hollow ring and to two adjacent hollow rings through a connecting pipe 15. With this design, the mixed liquid can smoothly enter the third vertical pipe and be sprayed out from the nozzle.
[0023] The transmission assembly includes a driving gear 16, a driven gear 17, and a transmission gear 18. The driving gear is mounted on the second vertical tube, the driven gear is mounted on the third vertical tube, and the transmission gear is mounted on the rotating body via a shaft 19. The driving gear is connected to the adjacent driven gear, and two adjacent driven gears are connected via the transmission gear.
[0024] The first rotary drive device includes a first drive motor 20, which is connected to the first vertical tube via a first sprocket assembly. The second rotary drive device includes a second drive motor 21, which is connected to the second vertical tube via a second sprocket assembly.
[0025] A pressure roller 22 is installed at the angle between two adjacent support arms, located on the outside of the belt, so that the belt can better fit the outer perimeter with its concave and convex shapes.
[0026] In use, one of the support arms is first inserted between two adjacent corn plants. The second rotary drive device and water supply module are then activated. The blades rotate, chopping up the weeds that pass by. At the same time, the nozzles spray the mixed liquid onto the area where the support arm passes. The walker drives the rotating body forward. When the obstacle sensor detects a plant near the front, it transmits a signal to the control module. The control module controls the first rotary drive device to rotate at a certain angle, allowing the rotating body to bypass the plant. The other support arm then enters the area between the plants in front, thus avoiding the plant and controlling the spraying range of the mixed liquid. The mixed liquid will not be sprayed too close to the roots of the corn plants, which can both control the subsequent regeneration of weeds and prevent damage to the plant roots. It can also spray fertilizer liquid around the plants, realizing the functions of automated weeding, fertilization, and irrigation.
Claims
1. A fertilization, weeding, and irrigation device for corn planting, characterized in that: The device includes a rotating body with several ring-shaped support arms. A first vertical pipe is fixedly installed in the middle of the rotating body. The first vertical pipe is rotatably connected to a cantilever. A first rotary drive device connected to the first vertical pipe is installed on the cantilever. A second vertical pipe is rotatably installed inside the first vertical pipe. The upper end of the second vertical pipe is connected to a water inlet pipe through a first rotary joint. A second rotary joint is rotatably installed at the lower end of the second vertical pipe. Several third vertical pipes with closed upper ends and open lower ends are arranged along the length of the support arm. The upper ends of the third vertical pipes are rotatably connected to the support arm. The second vertical pipe and the multiple third vertical pipes are connected through a transmission assembly. The second rotary joint is connected to multiple third vertical pipes via connecting components. Several cutting blades are installed on the outer periphery of the lower end of the third vertical pipe. A nozzle is fixedly installed at the lower end of the third vertical pipe. A second rotary drive device is installed on the cantilever and driven by the upper part of the second vertical pipe. Obstacle sensing components facing both sides are installed on the top of the support arm. The cantilever is connected to the walker. The obstacle sensing components, the first rotary drive device, and the second rotary drive device are all connected to the control module on the walker. The water inlet pipe is connected to the water supply module on the walker.
2. The fertilization, weeding, and irrigation device for corn planting according to claim 1, characterized in that: The first vertical tube is fitted with a rotating first ring at its upper part, and the first ring is fixedly connected to the cantilever.
3. The fertilization, weeding, and irrigation device for corn planting according to claim 1, characterized in that: The obstacle sensing component is a camera.
4. The fertilization, weeding, and irrigation device for corn planting according to claim 1, characterized in that: The outer circumference of the rotating body is fitted with a belt by several pulleys. The outer circumference of the rotating body extends downward to form a peripheral wall. The belt is located on the outside of the peripheral wall. At least one pulley is connected to the transmission assembly. Cleaning components are evenly distributed along the length of the belt at its bottom.
5. A fertilization, weeding, and irrigation device for corn planting according to claim 4, characterized in that: The cleaning component is an elastic strip, the upper end of which is fixedly connected to the belt.
6. A fertilization, weeding, and irrigation device for corn planting according to claim 1, characterized in that: The connecting component includes a hollow ring, which is sealed and rotated on the third vertical pipe. The third vertical pipe has a water inlet hole corresponding to the position of the hollow ring. The second rotary joint is connected to the nearby hollow ring and to two adjacent hollow rings through a connecting pipe.
7. A fertilization, weeding, and irrigation device for corn planting according to claim 1, characterized in that: The transmission assembly includes a driving gear, a driven gear, and a transmission gear. The driving gear is mounted on the second vertical tube, the driven gear is mounted on the third vertical tube, and the transmission gear is mounted on the rotating body via a shaft. The driving gear is connected to the nearby driven gear, and two adjacent driven gears are connected via the transmission gear.
8. A fertilization, weeding, and irrigation device for corn planting according to claim 1, characterized in that: The first rotary drive device includes a first drive motor, which is connected to the first vertical pipe via a first sprocket assembly. The second rotary drive device includes a second drive motor, which is connected to the second vertical pipe via a second sprocket assembly.
9. A fertilization, weeding, and irrigation device for corn planting according to claim 1, characterized in that: A pressure roller located on the outside of the belt is installed at the angle between two adjacent support arms.
Citation Information
Patent Citations
Easy-to-regulate agricultural weeding and restoration device
CN110447381A
Hedge trimming engineering vehicle with anti-collision function
CN115843561A
Agricultural weeding equipment for greenhouse planting
CN116420498A
