Grape inter-row weeding device

Abstract

The invention belongs to the technical field of agricultural machinery, and particularly relates to a grape inter-row weeding device which comprises two weeding machines, a lifting rod is arranged at the top of each weeding machine, the two lifting rods are connected through an extension rod, each weeding machine comprises a bottom frame, a weeding mechanism, a conveying mechanism and a screening mechanism, and walking wheels are arranged at the bottom of each bottom frame; the weeding mechanism is rotationally connected to the front end of the chassis in the walking direction; the conveying mechanism is arranged on the bottom frame and located behind the weeding mechanism. The screening mechanism comprises a screening net, a large gear ring, a pinion, a screening motor and a smashing assembly, a feeding port of the screening net is connected with the discharging end of the conveying mechanism, the screening net is rotationally connected to the bottom frame, the large gear ring is fixed to one end of the screening net and meshed with the pinion, the screening motor is arranged on the bottom frame, and the output end of the screening motor is connected with the pinion. And one end of the crushing assembly is connected with the underframe and the other end extends into the screening net. According to the technical scheme, the possibility that grass roots remain in soil is reduced, and the risk of grass root regeneration is reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of agricultural machinery, and in particular relates to a weeding device between grape rows. Background Art

[0002] Grapes are perennial vines with a long lifespan. After planting, they need to grow and bear fruit in a fixed position for many years, which requires a large underground nutrient volume. The tender tissue of the grape root system is fleshy, and its growth point stops moving when it encounters resistance when it stretches downward and outward. In order to allow the grape root system to occupy a larger nutrient area in the soil and achieve "deep roots and lush leaves", planting trenches must be dug before planting grapes, and weeds in the grape field must be regularly removed during the growth period of grapes to prevent weeds from absorbing nutrients, resulting in insufficient nutrient absorption by the grape root system and poor growth of the grape vines. Therefore, weeding in the grape field is particularly important for grape cultivation.

[0003] In response to the above problems, the prior art has already provided solutions. For example, the Chinese invention patent “A Mechanical Weeding Machine for Grapes” with publication number CN106561095A specifically discloses a mechanical weeding machine for grapes, including a frame, running wheels, a weeding device and a soil crushing roller, wherein the two running wheels are mounted on the left and right sides of the front end of the frame, the weeding device is mounted on the bottom of the frame, and the soil crushing roller is mounted on the rear end of the frame; the weeding device includes a fixed weeding part and a movable weeding part, the movable weeding part includes a left movable weeding part and a right movable weeding part, the left movable weeding part is mounted on the left side of the frame, and the right movable weeding part is mounted on the right side of the frame, and the fixed weeding part is located in the middle position of the frame and behind the movable weeding part. The present invention is equipped with a tractor, and the left movable weeding part and the right movable weeding part are movable left and right, so that the weeding width can be adjusted according to the weeding width requirements. After the fixed weeding part weeds, the soil crushing roller crushes the shoveled soil blocks and flattens the shoveled soil blocks during the walking process, which plays a good role in moisture conservation.

[0004] Although the above prior art can effectively remove weeds in the soil, during the weeding process, grass roots are often easily mixed into the soil. If these remaining grass roots are not cleaned up in time, the tenacious weeds may take root and sprout again, thereby affecting the normal growth of the grapevine. Summary of the invention

[0005] In order to solve the above technical problems, the present application provides a grape row weeding device, including two weeders, each of which is provided with a lifting rod on the top, and the two lifting rods are connected by an extension rod. The weeder includes a base frame, a rotary weeding mechanism, a conveying mechanism and a screening mechanism. The bottom of the base frame is provided with walking wheels, and the base frame can move along the extension direction of the grape ridge; the rotary weeding mechanism is rotatably connected to the front end of the base frame in the walking direction, and is used to dig deep into the ground to shovel up soil and grass roots; the conveying mechanism is provided On the base frame, the feed end of the conveying mechanism cooperates with the feeding of the rotary grass shoveling mechanism; the screening mechanism includes a screening net, a large gear ring, a small gear, a screening motor and a crushing assembly. The feed port of the screening net is connected to the discharge end of the conveying mechanism, and the screening net is rotatably connected to the base frame. The large gear ring is fixed at one end of the screening net and meshes with the small gear. The screening motor is arranged on the base frame, and its output shaft is connected to the small gear. One end of the crushing assembly is connected to the base frame, and the other end extends into the screening net.

[0006] Preferably, the screening mechanism further comprises a support sleeve, wherein the support sleeve is fixed on the base frame, and the screening net is installed inside the support sleeve and can rotate relative to the support sleeve.

[0007] Preferably, the crushing assembly includes a connecting rod and a crushing plate, one end of the connecting rod is connected to the base frame, and the other end passes through the feed port of the screening net and extends into the interior of the screening net, the crushing plate is located inside the screening net, and one end of the crushing plate is connected to the connecting rod.

[0008] Preferably, the distance between the screen mesh feed port and the base frame is greater than the distance between the screen mesh discharge port and the base frame.

[0009] Preferably, a collecting box is further included, and the collecting box is arranged on the base frame and located at the discharge port of the screening net.

[0010] Preferably, a guide cylinder is further provided on the base frame, a feed port of the guide cylinder cooperates with a discharge end of the conveying mechanism for feeding, and a discharge port of the guide cylinder passes through the large gear ring and extends into the screening net.

[0011] Preferably, it further comprises a flattening wheel, which is arranged at the end of the base frame and is used for flattening the turned-up soil.

[0012] Preferably, the conveying mechanism includes a conveyor belt, a first transmission shaft, a second transmission shaft and a rotary tillage motor. The first transmission shaft and the second transmission shaft are both rotatably connected to the base frame and are located behind the rotary grass-clearing mechanism. The second transmission shaft is higher than the first transmission shaft. The rotary tillage motor is connected to the first transmission shaft. The conveyor belt is connected between the first transmission shaft and the second transmission shaft, and a plurality of baffles are provided on the conveyor belt.

[0013] Preferably, the rotary grass-shoveling mechanism comprises a rotary digging tool, which is rotatably connected to the front end of the chassis in the walking direction and is drivingly connected to the rotary tillage motor via a belt.

[0014] Preferably, a guide cover is also provided on the base frame, and the guide cover is arranged on the upper side of the rotary excavating tool away from the conveying mechanism.

[0015] The technical solution adopted in this application can achieve the following beneficial effects: By configuring two weeders and installing a lifting rod and an extension rod between them, the specific height and width of the vines can be flexibly adjusted to accommodate vines of various sizes. In addition, a rotating weeding mechanism is set up to dig deep into the soil layer to shovel up soil and grass roots during weeding, and use a conveying mechanism to send the soil and grass roots to the screening mechanism. In the screening mechanism, the crushing component will break up larger soil blocks, and as the screening net rotates, fine soil particles will be screened out, while grass roots and stones will be intercepted and discharged from the outlet of the screening net for centralized treatment. The separation of grass roots from soil reduces the chance of grass roots remaining and the possibility of grass roots growing again, and makes the treated soil purer, which is conducive to the healthy growth of grapevines. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of this application.

[0017] Figure 2 A schematic diagram of the structure of a lawn mower.

[0018] Figure 3 A side view schematic diagram of a lawn mower.

[0019] Figure 4 A schematic cross-sectional view of a lawn mower.

[0020] Figure 5 A partial structural diagram of a lawn mower.

[0021] Among them, the extension rod 1, the lifting rod 2, the weeder 3, the connecting shell 4, the rotary digging tool 5, the guide cover 6, the belt 7, the rotary tillage motor 8, the base frame 9, the screening motor 10, the walking wheel 11, the collecting box 12, the flattening wheel 13, the pinion 14, the large gear ring 15, the guide cylinder 16, the conveyor belt 17, the baffle 171, the first transmission shaft 18, the second transmission shaft 19, the connecting rod 20, the screening net 21, the crushing plate 22, and the support sleeve 23. DETAILED DESCRIPTION

[0022] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. The preferred embodiments of the present application are given in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thoroughly and comprehensively understood.

[0023] It should be noted that when a system is considered to be "connected" to another system, it may be directly connected to the other system or there may be an intermediate system. The terms "interior", "top", "upper", "lower", "upper", "lower" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific implementation methods and are not intended to limit this application. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0025] like Figures 1 to 5As shown, the present application provides a grape row weeding device, including two weeders 3, each of which is provided with a lifting rod 2 on the top, and the two lifting rods 2 are connected by an extension rod 1, and the weeder 3 includes a base frame 9, a rotary weeding mechanism, a conveying mechanism and a screening mechanism, and the bottom of the base frame 9 is provided with walking wheels 11, and the base frame 9 can move along the extension direction of the grape ridge; the rotary weeding mechanism is rotatably connected to the front end of the base frame 9 in the walking direction, and is used to dig deep into the ground to shovel soil and grass roots; the conveying mechanism is arranged on the base frame 9, and the conveying wheel 11 is provided on the base frame 9. The feed end of the structure cooperates with the feeding of the rotary grass shoveling mechanism; the screening mechanism includes a screening mesh 21, a large gear ring 15, a pinion 14, a screening motor 10 and a crushing assembly. The feed port of the screening mesh 21 is connected to the discharge end of the conveying mechanism, and the screening mesh 21 is rotatably connected to the base frame 9. The large gear ring 15 is fixed to one end of the screening mesh 21 and meshes with the pinion 14. The screening motor 10 is arranged on the base frame 9, and its output shaft is connected to the pinion 14. One end of the crushing assembly is connected to the base frame 9, and the other end extends into the screening mesh 21.

[0026] Specifically, the grape inter-row weeding device is composed of two independent but interrelated weeders 3, which have the same core components and can work alone or in coordination. A lifting rod 2 is provided on the top of each weeder 3, and the height can be adjusted manually or automatically to adapt to grape plants of different heights. The two lifting rods 2 are connected by an extension rod 1 to form a gantry structure, which ensures that the two weeders 3 can maintain a consistent height and adjust the spacing, and are suitable for grape ridges of different widths. The weeder 3 mainly includes a base frame 9, a rotating weeding mechanism, a conveying mechanism, and a screening mechanism.

[0027] The chassis 9 is the main load-bearing structure of the weeder 3, and a running wheel 11 is installed at the bottom thereof, so that the entire weeder 3 can move smoothly along the extension direction of the grape ridge. The design of the running wheel 11 ensures that the weeder 3 can move freely in the vineyard without damaging the grape plants. The rotary weeding mechanism is installed at the front end of the chassis 9 (based on the direction in which the weeder 3 moves forward) and is used to dig deep into the ground to shovel up soil and grass roots. When the weeder 3 moves forward, the rotary weeding mechanism will pull up the weeds together with the soil it carries.

[0028] The conveying mechanism is arranged on the chassis 9 and is located behind the rotary weeding mechanism as a whole. The rotary weeding mechanism transports the soil and grass roots scooped up by the rotary weeding mechanism to the starting end (feeding end) of the conveying mechanism after rotation. The conveying mechanism adopts a belt conveyor or a screw conveyor to ensure that the weeds can be smoothly transferred to the screening mechanism.

[0029] The screening mechanism is a structure for separating impurities (such as weeds, stones, etc.) in the soil, and mainly includes a screening net 21, a large gear ring 15, a small gear 14, a screening motor 10 and a crushing assembly. The screening net 21 is a mesh cylinder structure with pores, which is connected to the base frame 9 by rotation. During the rotation of the screening net 21, the soil can leak out through the pores of the screen, while the larger impurities (such as weeds, stones, etc.) are trapped in the screening net 21. When the grass roots, stones and other debris in the screening net accumulate to a certain amount, the weeder is stopped, and these debris are cleaned out from the discharge port of the screening net by manual or other means. The conveying mechanism is responsible for conveying weeds and soil to the feed port of the screening net 21. The large gear ring 15 is fixed to one end of the screening net 21 close to the conveying mechanism, meshing with the small gear 14 to form a gear transmission system, which is used to drive the screening net 21 to rotate, ensuring that the material can be evenly distributed inside the screening net 21 and effectively screened. The screening motor 10 is mounted on the base frame 9, and its output end is connected to the pinion 14, providing a power source for the entire screening process. One end of the crushing assembly is connected to the base frame 9, and the other end passes through the large gear ring 15 and extends into the inside of the screening net 21 through the feed port of the screening net 21 without affecting the rotation of the screening net 21. The main function of the crushing assembly is to crush larger soil blocks into finer particles during the screening process, which helps to further separate soil from impurities such as grass roots.

[0030] The working process is as follows: When the weeder 3 moves forward, the rotating weeding mechanism will pull up the weeds between the grape ridges together with the soil it carries during the rotation process, and move them to the feed end of the conveying mechanism. The conveying mechanism uses a belt conveyor or a screw conveyor to convey the weeds and soil to the feed port of the screening net 21. Start the screening motor 10, and drive the screening net 21 to rotate through the meshing of the large ring gear 15 and the small gear 14. During the rotation of the screening net 21, the crushing component crushes the soil blocks in the screening net 21 into finer particles, thereby further separating the soil from weeds, stones, etc. After crushing and screening, the pure soil is discharged from the bottom of the screening net 21, while the large particles such as weeds and stones that have not passed through the screening net 21 are trapped in the screening net 21 and need to be subsequently processed.

[0031] The above technical solution adopted by the grape inter-row weeding device provided in this application can achieve the following beneficial effects: By configuring two weeders 3 and installing a lifting rod 2 and an extension rod 1 between them, the specific height and width of the grape vines can be flexibly adjusted to accommodate grape vines of various sizes, thereby improving the weeding efficiency. In addition, a rotating grass-shoveling mechanism is provided, which can dig deep into the soil layer to shovel up soil and grass roots during the weeding process, and use a conveying mechanism to deliver the soil and grass roots to the screening mechanism. In the screening mechanism, the crushing component will break up larger soil blocks, and as the screening net 21 rotates, fine soil particles will be screened out, while grass roots and stones will be intercepted and discharged from the discharge port of the screening net 21 for centralized treatment. The separation of grass roots from soil reduces the chance of grass roots remaining, reduces the possibility of grass roots growing again, and makes the treated soil purer, which is conducive to the healthy growth of grape vines.

[0032] In one embodiment, the screening mechanism further includes a support sleeve 23 , wherein the support sleeve 23 is fixed on the base frame 9 , and the screening net 21 is installed inside the support sleeve 23 and can rotate relative to the support sleeve 23 .

[0033] Specifically, the support sleeve 23 is composed of a support rod and two annular sleeves. Both annular sleeves are designed in a form similar to a bearing (including an inner shaft and an outer shaft). The screening net 21 is sleeved on the inner shaft of the annular sleeve, and the outer shaft of the annular sleeve is connected to one end of the support rod. The end of the support rod away from the annular sleeve is fixedly mounted on the base frame 9. Two support rods are fixedly connected to the bottom of each annular sleeve to provide stable support. The annular sleeves are arranged at both ends of the screening net 21 to ensure that the screening net 21 can remain stable when rotating at high speed and avoid shaking. The design of the bearing can greatly reduce the friction between the two, so that the screening net 21 can rotate easily in the annular sleeve. The support sleeve 23 provides a stable support structure for the screening net 21, which can ensure that the screening net 21 remains stable when rotating at high speed and avoid shaking.

[0034] In one embodiment, the crushing assembly includes a connecting rod 20 and a crushing plate 22, wherein one end of the connecting rod 20 is connected to the base frame 9, and the other end passes through the feed port of the screening net 21 and extends into the interior of the screening net 21, and the crushing plate 22 is located inside the screening net 21, and one end of the crushing plate is connected to the connecting rod 20.

[0035] Specifically, a vertical rod is arranged on the base frame 9, and the vertical rod serves as a basic support structure, provides a fixed installation point for the connecting rod 20, and can also carry other components. A closing plate is arranged on the side of the large gear ring 15 close to the conveying mechanism, and the closing plate closes the opening of the screening net 21, and a circular hole is opened on the closing plate, and the circular hole serves as the feed port of the screening net 21. The setting of the closing plate makes it difficult for soil and grass roots to overflow from the feed port during the rotation of the screening net 21. One end of the connecting rod 20 is fixedly connected to the vertical rod, and the other end passes through the feed port of the screening net 21 (i.e., the circular hole on the closing plate) and extends into the inside of the screening net 21. The crushing plate 22 is arranged at the part where the connecting rod 20 extends into the screening net 21, and its purpose is to physically crush the soil blocks entering the screening net 21 during the rotation of the screening net 21. During the rotation of the screening net 21, under the action of centrifugal force, the soil is thrown up and continuously hits the crushing plate 22, so that the soil blocks are broken into smaller particles. As the screen mesh 21 rotates continuously, fine soil falls through the pores of the screen mesh 21, while weeds, their roots and stones remain on the screen mesh 21, and finally separation is achieved. The crushing assembly can effectively further process the soil and weeds in the screen mesh 21, ensuring the complete separation of soil and grass roots, thereby improving the working efficiency of the entire weeding device. In order to better crush the soil and separate the soil from the grass roots, a number of crushing rollers are arranged at the bottom of the crushing plate 22. The crushing rollers are evenly distributed on the crushing plate 22, and their ends extend downward and are close to the inner surface of the screen mesh 21, but do not affect the rotation of the screen, and form a crushing zone with the screen mesh 21. The crushing rollers are used to crush large pieces of soil encountered during the screening process to help completely separate the soil from the grass roots. The crushing roller is a cylindrical structure with multiple protrusions, which can effectively crush soil blocks. The crushing roller is made of wear-resistant material to extend its service life. The shape design of the crushing roller should take into account its operating space inside the screen mesh 21 to ensure that the soil can be effectively crushed without affecting the normal operation of the screen mesh 21. During the rotation of the screen mesh 21, under the action of centrifugal force, the soil is thrown up and continuously hits the crushing roller, so that the soil blocks are broken into smaller particles. Under the continuous rotation of the screen mesh 21, the fine soil falls through the pores of the screen mesh 21, while the weeds and their roots and stones remain on the screen mesh 21, and finally separated. The crushing assembly can effectively further process the soil and weeds in the screen mesh 21, ensuring the complete separation of the soil and the grass roots, thereby improving the working efficiency of the entire weeding device.

[0036] In one embodiment, the distance between the feed port of the sieve net 21 and the base frame 9 is greater than the distance between the discharge port of the sieve net 21 and the base frame 9 .

[0037] Specifically, the screening net 21 is in a state of gradually tilting downward from the feed port to the discharge port to ensure that the soil containing grass roots can move smoothly and maintain a sufficient residence time for effective screening. During the continuous high-speed rotation of the screening net 21, the soil is dispersed on the inclined slope, which helps to be effectively screened and crushed. Fine soil particles can be quickly screened out through the mesh of the screening net 21, and large pieces of soil will be crushed by the crushing roller during the movement, further accelerating the screening process. Heavier impurities such as stones and grass roots move forward along the inclined surface due to gravity. Finally, the fine soil particles are screened out by the screening net 21, while stones, grass roots, etc. move forward along the inclined surface and finally reach the discharge port.

[0038] In one embodiment, a collecting box 12 is further included. The collecting box 12 is disposed on the base frame 9 and is located at the discharge port of the screening net 21 .

[0039] Specifically, the collection box 12 is an open container, the bottom of which is connected to the chassis 9 to ensure a stable structure to prevent accidental tipping or leakage, thereby ensuring the safety of the operator. The collection box 12 is located directly below the discharge port of the screening net 21 so that it can accurately receive the hard soil blocks, weed roots, stones, etc. that are not completely crushed discharged from the screening net 21. The selection of capacity size needs to be reasonably planned based on the actual use scenario and screening frequency. In order to ensure durability and corrosion resistance, the collection box 12 is made of high-strength and wear-resistant materials. For example, stainless steel or other wear-resistant materials can be used to extend the service life and reduce maintenance costs. The design of the collection box 12 needs to ensure that it matches the size of the discharge port of the screening net 21 to ensure that the hard soil blocks, weed roots, stones, etc. that are not completely crushed discharged from the screening net 21 can fall into the collection box 12 accurately. The design of the collection box 12 should be convenient for cleaning. For example, it can be designed to be detachable so that the accumulated debris inside can be cleaned regularly.

[0040] In one embodiment, a guide cylinder 16 is further provided on the base frame 9 , the feed port of the guide cylinder 16 cooperates with the discharge end of the conveying mechanism, and the discharge port of the guide cylinder 16 passes through the large gear ring 15 and extends into the screening net 21 .

[0041] Specifically, the guide cylinder 16 is composed of a circular cylinder and a trapezoidal groove. The trapezoidal groove is open at the top and bottom, and the opening is gradually designed from large to small from top to bottom. The trapezoidal groove is located below the discharge end of the conveying mechanism and is fixedly connected to the vertical rod to play a supporting role. The circular cylinder is arranged at an angle, and its higher end is connected to the discharge port of the trapezoidal groove. The end of the circular cylinder away from the trapezoidal groove passes through the large gear ring 15 (the circular hole on the closed plate) and enters the inside of the screening net 21. The trapezoidal groove and the circular cylinder form a transportation channel from the conveying mechanism to the inside of the screening net 21, ensuring that the soil containing grass roots can smoothly enter the inside of the screening net 21. The gradual design of the trapezoidal groove from a large inlet to a small outlet helps the soil and grass roots to slide naturally under the action of gravity, reducing the resistance when entering the screening net 21, while ensuring that the soil and weeds can be evenly distributed inside the screening net 21, thereby improving the screening efficiency.

[0042] According to the above technical solution, the crushing assembly is arranged inside the screening net 21. One end of the connecting rod 20 is fixed to the outer wall of the circular cylinder. Such a design ensures that the crushing assembly does not affect the normal rotation of the screening net 21, and helps to simplify the structure of the entire weeder 3, which not only ensures the free rotation of the screening net 21, but also makes the overall design more compact and simple.

[0043] In one embodiment, a flattening wheel 13 is further included. The flattening wheel 13 is arranged at the end of the base frame 9 and is used to flatten the turned-up soil.

[0044] Specifically, during the weeding process of the weeder 3, the soil will be turned up, resulting in a bumpy ground. Therefore, a flattening wheel 13 is installed at the end of the chassis 9, that is, the rear end of the weeder 3 in the forward direction. The flattening wheel 13 is a circular roller that can rotate with the movement of the weeder 3. Its main function is to flatten the turned up soil after the weeder 3 completes the weeding and screening operations to restore the flatness of the grape ridge. As the weeder 3 continues to move forward, the flattening wheel 13 contacts the turned up soil and flattens the soil through its own weight and rolling action. The size of the flattening wheel 13 needs to be customized according to the width and depth of the rows of the grape ridge to ensure that the entire grape ridge can be effectively covered. The flattening wheel 13 is made of wear-resistant material to ensure its durability and withstand long-term use. Through the use of the flattening wheel 13, the flatness of the grape ridge can be effectively restored, providing a better growth environment for the grape plants, while also helping to reduce the risk of soil erosion and improve the overall aesthetics and soil health of the vineyard.

[0045] In one embodiment, the conveying mechanism includes a conveyor belt 17, a first transmission shaft 18, a second transmission shaft 19 and a rotary tillage motor 8. The first transmission shaft 18 and the second transmission shaft 19 are both rotatably connected to the base frame 9 and are located behind the rotary grass-clearing mechanism. The second transmission shaft 19 is higher than the first transmission shaft 18. The rotary tillage motor 8 is connected to the first transmission shaft 18. The conveyor belt 17 is connected between the first transmission shaft 18 and the second transmission shaft 19, and a plurality of baffles 171 are provided on the conveyor belt 17.

[0046] Specifically, the first transmission shaft 18 is rotatably connected to the base frame 9, and the second transmission shaft 19 is rotatably connected to the upper end of the vertical rod, so that the second transmission shaft 19 is higher than the first transmission shaft 18. Such a design helps to lift the soil containing grass roots so that it can smoothly enter the screening net 21. The first transmission shaft 18 and the second transmission shaft 19 are both located behind the rotary grass-shoveling mechanism. The rotary tillage motor 8 arranged on the base frame 9 is connected to the first transmission shaft 18, provides power for it, and drives the conveyor belt 17 to run. The conveyor belt 17 is connected between the first transmission shaft 18 and the second transmission shaft 19, and is responsible for conveying the weeds and soil dug out by the rotary grass-shoveling mechanism to the screening mechanism. A number of baffles 171 are arranged on the conveyor belt 17, which help the material to remain stable on the conveyor belt 17 and prevent it from slipping. The power of the rotary tillage motor 8 needs to be determined according to the length and width of the conveyor belt 17 and the amount of material to be transported. It can be different types such as electric motors or hydraulic motors, and the specific selection depends on the actual application requirements. The conveyor belt 17 is made of wear-resistant material to ensure durability. The number and layout of the baffles 171 need to be designed according to the properties of the material and the speed of the conveyor belt 17 to ensure that the material can be stably transported to the screening mechanism. The material transport process from the rotary weeding mechanism to the screening mechanism is realized through the cooperation of the conveyor belt 17, the first transmission shaft 18, the second transmission shaft 19 and the rotary tillage motor 8. The rotary tillage motor 8 drives the first transmission shaft 18 to rotate, thereby driving the conveyor belt 17 to move. The baffles 171 on the conveyor belt 17 help to keep the material stable, ensure that the material is smoothly transported to the screening mechanism, and improve the working efficiency and reliability of the entire weeding device.

[0047] In one embodiment, the rotary grass-clearing mechanism includes a rotary digging tool 5 , which is rotatably connected to the front end of the chassis 9 in the walking direction and is driven by the rotary tillage motor 8 via a belt 7 .

[0048] Specifically, the rotary earth-cutting tool 5 is located at the front end of the travel direction of the chassis 9, and is mainly composed of a round roller and a plurality of cutter heads. A connecting shaft is provided at the center of both ends of the round roller, and the connecting shaft is rotatably connected to the chassis 9 through a bearing or other appropriate connection method, so that the entire rotary earth-cutting tool 5 can rotate freely on the chassis 9. The cutter head is in the shape of a quarter circle and has a certain thickness, forming two vertical side surfaces and a curved surface, one of which is attached to and fixed to the outer surface of the round roller, and a platform is formed between the other side surface and the round roller. When the cutter head rotates, this platform plays the role of transporting soil. Several cutter heads are arranged on the surface of the roller at equal intervals along the length direction of the roller, and in the circumferential direction, adjacent cutter heads are closely connected without leaving any gaps, that is, several cutter heads are evenly distributed in the length direction of the roller, and the distance between each cutter head and the next cutter head is the same; and in the circumferential direction, the cutter heads are connected end to end to form a continuous ring structure, ensuring that the soil can be continuously cut and excavated during the rotation process, and a continuous soil conveying space can be formed, that is, the rotary digging tool 5 can not only dig grass roots, but also transport the excavated grass roots and soil to the conveyor belt 17. The part of the connecting shaft extending out of the chassis 9 is connected to the first transmission shaft 18 through the belt 7, so that the rotary digging tool 5 and the first conveying shaft share a rotary tillage motor 8, which not only simplifies the mechanical structure, but also reduces the overall cost. The belt 7 is made of wear-resistant and oil-resistant rubber or synthetic materials to ensure durability, and its tension should be appropriate to ensure effective power transmission and reduce wear.

[0049] When the rotary earth-moving cutter 5 starts to rotate, the cutter head rotates with the round roller, and then cuts into the soil, cutting the soil and grass roots off the ground. Due to the seamless connection between the cutter heads, when one cutter head completes the cutting action, the next cutter head immediately follows up to continue cutting, thus forming a continuous excavation process. While the cutter head is digging the grass roots, the platform between the cutter head and the round roller begins to play a role. As the rotary earth-moving cutter 5 rotates, the cut soil and grass roots are pushed onto this platform and move upward along the slope of the platform. Since the rotary earth-moving cutter 5 is located above the ground, as the cutter rotates, the soil and grass roots are lifted and gradually transported to the top area of ​​the rotary earth-moving cutter 5. At the top of the rotary earth-moving cutter 5, the soil and grass roots are transferred to the conveyor belt 17, which further transports the soil and grass roots to the screening net 21.

[0050] In one embodiment, a guide cover 6 is further provided on the base frame 9, and the guide cover 6 is provided on the upper side of the rotary excavating tool 5 away from the conveying mechanism.

[0051] Specifically, the guide cover 6 is a semicircular arc plate, which is arranged on the upper side of the rotary digging tool 5 away from the conveying mechanism. The edge of one end of the guide cover 6 is located at the same horizontal plane as the axis of the rotary digging tool 5, and the other end extends to the upper side of the feeding end of the conveying mechanism, and the distance between the guide cover 6 and the rotary digging tool 5 is determined according to the size of the excavated soil block, so that the space between the guide cover 6 and the rotary digging tool 5 forms a channel for transporting soil and grass roots. The edge of the guide cover 6 is fixed to the chassis 9 through a connecting strip, and is made of a solid material such as metal or plastic to ensure that it can withstand the impact and wear during the weeding process. During the weeding process, the rotary digging tool 5 starts to rotate, and as the weeder 3 moves forward, the rotary digging tool 5 penetrates into the ground, cuts and scoops up the soil and grass roots. The scooped soil and grass roots will be lifted by the cutter head and enter the conveyor belt 17 along the guide cover 6. The conveying mechanism is responsible for further transporting these soil and grass roots to the screening net 21. The main function of the guide cover 6 is to guide and concentrate the weeds and soil dug out by the rotary digging cutter 5 to ensure that they smoothly enter the conveyor belt 17, thereby improving the working efficiency of the entire weeding device.

[0052] The specific working process is as follows: When weeding grapevines is required, the extension rod 1 is first extended to a suitable length according to the width of the grapevines, and then two weeders 3 are connected through the extension rod 1 to form a gantry structure, and the extension rod 1 is connected to the power machine. Next, the length of the lifting rod 2 is adjusted according to the height of the grapevines to adapt to grapevines of different heights and widths.

[0053] After reaching the weeding position, the rotary tillage motor 8 is started first, and the rotary tillage motor 8 drives the first transmission shaft 18 to rotate, thereby rotating the entire conveyor belt 17, and at the same time, the first transmission shaft 18 drives the rotary digging tool 5 to rotate through the belt 7. As the rotary digging tool 5 rotates, the cutter head will gradually penetrate into the ground, bringing out the soil and grass roots together. Due to the action of the guide cover 6, the soil moves along the guide cover 6 and falls onto the conveyor belt 17, and the conveyor belt 17 transports the soil and grass upward into the guide cylinder 16, and then enters the screening net 21 along the guide cylinder 16. Start the screening motor 10, the screening motor 10 drives the pinion 14 to rotate, and then drives the large gear ring 15 to rotate, and the large gear ring 15 drives the screening net 21 to rotate relative to the support sleeve 23, and the screening net 21 also moves relative to the crushing roller. Under the dual action of the rotation of the screening net 21 and the crushing roller, the soil is broken up, and the grass and stones are separated. Then, as the screen mesh 21 rotates, the soil is thrown onto the inner wall of the connecting shell 4 through the screen mesh 21, and then falls back to the ground along the connecting shell 4, while the grass and stones are left inside the screen mesh 21. At the same time, since the inside of the screen mesh 21 gradually tilts from the feed port to the discharge port, as the screen mesh 21 rotates, the grass and stones gradually slide into the collection box 12 and are collected, and after the soil falls back to the ground, the flattening wheel 13 at the rear will flatten the soil.

[0054] The above-described embodiments only express the way of equipment layout of the present application, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent application; it should be pointed out that for ordinary technicians in this field, several adjustments and improvements can be made without departing from the concept of the present application, which all belong to the scope of protection of the present application; therefore, the scope of protection of the patent of this application should be based on the attached claims.

Claims

1. A grape inter-row weeding device, characterized in that: The invention comprises two weeders, each of which is provided with a lifting rod on the top, and the two lifting rods are connected by an extension rod. The weeder comprises: A base frame, wherein the bottom of the base frame is provided with running wheels, and the base frame can move along the extension direction of the grape ridge; A rotary grass-shoveling mechanism, which is rotatably connected to the front end of the chassis in the walking direction and is used to dig deep into the ground to shovel up soil and grass roots; A conveying mechanism, wherein the conveying mechanism is arranged on the base frame, and a feeding end of the conveying mechanism cooperates with the rotary grass-shoveling mechanism for feeding; and The screening mechanism comprises a screening net, a large gear ring, a small gear, a screening motor and a crushing assembly. The feed port of the screening net is connected to the discharge end of the conveying mechanism, and the screening net is rotatably connected to the base frame. The large gear ring is fixed to one end of the screening net and meshes with the small gear. The screening motor is arranged on the base frame, and its output shaft is connected to the small gear. One end of the crushing assembly is connected to the base frame, and the other end extends into the screening net.

2. The grape inter-row weeding device according to claim 1, characterized in that: The screening mechanism further comprises a support sleeve, wherein the support sleeve is fixed on the base frame, and the screening net is installed inside the support sleeve and can rotate relative to the support sleeve.

3. The grape inter-row weeding device according to claim 1, characterized in that: The crushing assembly includes a connecting rod and a crushing plate, one end of the connecting rod is connected to the base frame, and the other end passes through the feed port of the screening net and extends into the interior of the screening net. The crushing plate is located inside the screening net, and one end of the crushing plate is connected to the connecting rod.

4. The grape inter-row weeding device according to claim 1, characterized in that: The distance between the screening net feed port and the base frame is greater than the distance between the screening net discharge port and the base frame.

5. The grape inter-row weeding device according to claim 4, characterized in that: It also includes a collecting box, which is arranged on the base frame and located at the discharge port of the screening net.

6. The grape inter-row weeding device according to claim 1, characterized in that: A guide cylinder is also provided on the base frame, the feed port of the guide cylinder cooperates with the discharge end of the conveying mechanism for feeding, and the discharge port of the guide cylinder passes through the large gear ring and extends into the screening net.

7. The grape inter-row weeding device according to claim 1, characterized in that: It also includes a flattening wheel, which is arranged at the end of the base frame and is used for flattening the turned-up soil.

8. The grape inter-row weeding device according to claim 1, characterized in that: The conveying mechanism includes a conveyor belt, a first transmission shaft, a second transmission shaft and a rotary tillage motor. The first transmission shaft and the second transmission shaft are both rotatably connected to the base frame and are located behind the rotary grass-clearing mechanism. The second transmission shaft is higher than the first transmission shaft. The rotary tillage motor is connected to the first transmission shaft. The conveyor belt is connected between the first transmission shaft and the second transmission shaft, and a plurality of baffles are provided on the conveyor belt.

9. The grape inter-row weeding device according to claim 8, characterized in that: The rotary grass-shoveling mechanism comprises a rotary digging tool, which is rotatably connected to the front end of the chassis in the walking direction and is drivingly connected to the rotary tillage motor via a belt.

10. The grape inter-row weeding device according to claim 9, characterized in that: A guide cover is also provided on the base frame, and the guide cover is arranged on the upper side of the rotary excavating tool away from the conveying mechanism.

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