CN113597832A - Bulldoze formula rice interline weeding device - Google Patents
Bulldoze formula rice interline weeding device Download PDFInfo
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- CN113597832A CN113597832A CN202110919339.1A CN202110919339A CN113597832A CN 113597832 A CN113597832 A CN 113597832A CN 202110919339 A CN202110919339 A CN 202110919339A CN 113597832 A CN113597832 A CN 113597832A
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- weeding
- soil
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- steel wire
- rod
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B39/00—Other machines specially adapted for working soil on which crops are growing
- A01B39/12—Other machines specially adapted for working soil on which crops are growing for special purposes, e.g. for special culture
- A01B39/18—Other machines specially adapted for working soil on which crops are growing for special purposes, e.g. for special culture for weeding
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B39/00—Other machines specially adapted for working soil on which crops are growing
- A01B39/12—Other machines specially adapted for working soil on which crops are growing for special purposes, e.g. for special culture
- A01B39/16—Other machines specially adapted for working soil on which crops are growing for special purposes, e.g. for special culture for working in vineyards, orchards, or the like ; Arrangements for preventing damage to vines
- A01B39/163—Other machines specially adapted for working soil on which crops are growing for special purposes, e.g. for special culture for working in vineyards, orchards, or the like ; Arrangements for preventing damage to vines comprising rotating tools
- A01B39/166—Other machines specially adapted for working soil on which crops are growing for special purposes, e.g. for special culture for working in vineyards, orchards, or the like ; Arrangements for preventing damage to vines comprising rotating tools actively driven
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B39/00—Other machines specially adapted for working soil on which crops are growing
- A01B39/20—Tools; Details
- A01B39/22—Tools; Mounting tools
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/14—Measures for saving energy, e.g. in green houses
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Soil Working Implements (AREA)
Abstract
The invention relates to a push-type rice interline weeding device, which comprises a soil splitting mechanism, a steel wire weeding mechanism, a wheel type weeding mechanism and a rack, wherein the steel wire weeding mechanism comprises a plurality of transversely arranged weeding steel wires; the soil cracking mechanism is fixedly arranged at the lower front part of the frame, the steel wire weeding mechanism is fixed at the lower middle part of the frame, the lower rear part of the frame is rotatably connected with the wheel type weeding mechanism, and the pushing rod is fixedly arranged at the upper part of the frame; the elastic damping fin is arranged in the middle of the pushing and pressing rod. The invention relates to a weeding device, which is formed by manually pushing a weeding device, wherein acting force generated by an elastic damping sheet when the elastic damping sheet recovers the shape is used for pushing the weeding device to move forwards to remove weeds in soil.
Description
Technical Field
The invention relates to the field of farmland mechanical weeding, in particular to a push-type rice interline weeding device.
Background
Chemical weeding is an important method for preventing and controlling paddy weeds, but long-term, large-amount and high-frequency application of the herbicide can easily cause the problems of drug resistance of the weeds, phytotoxicity of crops, environmental pollution and the like. The development of environment-friendly mechanical weeding is realized, and the reduction of the application amount of the herbicide is the key of sustainable development of agriculture. However, in China, rice planting areas are scattered, a large part of areas are in mountainous areas and hilly areas, agricultural machinery operation, agricultural machinery transfer, agricultural machinery transportation and the like of large and medium-sized agricultural machinery equipment are limited, and the functions and benefits of the large and medium-sized agricultural machinery cannot be achieved.
Therefore, the research and the popularization of the mechanical weeding device for the small rice field are more in line with the national conditions of China, but the small weeding device still has the problems of large pushing resistance, slow moving speed of weeding parts, low weeding rate and the like in paddy field operation.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention aims to: provides a push-type rice interline weeding device which is not easy to block walking.
In order to achieve the purpose, the invention adopts the following technical scheme:
a push type rice interline weeding device comprising: the soil breaking mechanism comprises a steel wire weeding mechanism with a plurality of transversely arranged weeding steel wires, a wheel type weeding mechanism, a frame and a pushing and pressing rod which comprises an elastic damping sheet and is displaced forwards through the elastic deformation of the elastic damping sheet; the soil cracking mechanism is fixedly arranged at the lower front part of the frame, the steel wire weeding mechanism is fixed at the lower middle part of the frame, the lower rear part of the frame is rotatably connected with the wheel type weeding mechanism, and the pushing rod is fixedly arranged at the upper part of the frame; the elastic damping fin is arranged in the middle of the pushing and pressing rod. After the structure is adopted, the elastic damping sheet can be deformed by pressing the pushing and pressing rod, and after the pushing and pressing rod is released, the elastic damping sheet can generate reverse acting force for resisting elastic deformation, so that the weeding device is pushed to move forwards; rely on the setting to become flexible soil at the anterior soil mechanism that splits of device simultaneously, the steel wire weeding mechanism at device middle part alright clear away the weeds in the soil of becoming flexible back, and the wheeled weeding mechanism at device rear provides the wheelset structure of marcing for the device again, reduces the frictional resistance when the device goes on.
Preferably, the elastic damping sheet divides the push rod into an upper section push rod and a lower section push rod; the push rod is integrally S-shaped, the upper section of the push rod is provided with an upward notch, and the lower section of the push rod is provided with a downward notch; the lower end of the upper section pushing rod and the upper end of the lower section pushing rod are both provided with two metal sheets, and the upper end and the lower end of the elastic damping sheet are both fixedly connected with the two metal sheets; the upper section pushing rod further comprises a holding rod, and the holding rod is fixedly arranged at the top end of the upper section pushing rod. After the structure is adopted, the holding rod can be used for pressing down the pushing and pressing rod, so that the elastic damping sheet is elastically deformed; after the elastic damping sheet and the upper and lower section pushing and pressing rods are fixed by the metal sheet, the reaction force generated by the elastic damping sheet when resisting elastic deformation can be timely transmitted to the lower section pushing and pressing rod, so that the weeding device is pushed to move forwards.
Preferably, the frame comprises an arch structure, a strip-shaped connecting structure and an edge strip; the two edge strips are symmetrically distributed on the left side and the right side of the rack, the soil cracking mechanism is fixedly arranged at the front parts of the edge strips, the steel wire weeding mechanism is fixedly arranged in the middle parts of the edge strips, the wheel type weeding mechanism is rotatably arranged at the rear parts of the edge strips, the front parts of the edge strips are arranged in an inclined mode towards the front upper part, and the middle parts of the edge strips are arranged in an inclined mode towards the front lower part; the front and the rear strip-shaped connecting structures are both vertical to the edge strips and are both fixedly connected with the left edge strip and the right edge strip; the front and the rear arched structures span above the strip-shaped connecting structures, and the lower ends of the two sides of the arched structures are fixedly connected with the left and the right edge strips respectively. After adopting this kind of structure, the equal fixed mounting in the middle part of weeding device of the soil mechanism that splits, steel wire weeding mechanism, wheeled weeding mechanism for thereby above-mentioned part can be cleared away weeds in the region through treating the weeding region with this, and domes can also guarantee that weeding device can not influence normal rice seedling when passing through simultaneously.
Preferably, the soil cracking mechanism is a soil cracking plate, the lower surface of the soil cracking plate is provided with a plurality of soil cracking knives, the two sides of the upper surface of the soil cracking plate are symmetrically provided with fixing pieces, and the soil cracking plate is fixedly arranged on the front side of the edge strip through the fixing pieces. After adopting this kind of structure, the soil cracking board can further reduce frictional resistance at the device in-process that marchs, and the soil cracking sword of soil cracking board below can loosen soil.
Preferably, the plurality of soil splitting knives are distributed in a triangular lattice manner; the soil splitting knife comprises a longitudinal blade and two transverse blades; the longitudinal blades are in pawl shapes, the bent openings of the longitudinal blades are upward, the transverse blades are in curved surface shapes with concave surfaces upward, the two transverse blades are fixed at the rear ends of the longitudinal blades and extend forwards, and the two transverse blades respectively extend leftwards and rightwards by taking the longitudinal blades as centers. After adopting this kind of structure, horizontal blade and vertical blade can make the operating range that loosens the soil of splitting the native board bigger, and the effect of loosening the soil is more obvious.
Preferably, in the steel wire weeding mechanism, every two weeding steel wires form a steel wire weeding unit, a plurality of steel wire weeding units are distributed at different height positions in the middle of the edge strip from bottom to top at intervals in the front-back direction, and the diameter of the weeding steel wire is increased along with the descending of the height of the weeding steel wire; holes corresponding to the quantity of the weeding steel wires are formed in the middle of the edge strips, and the weeding steel wires penetrate through the holes symmetrically formed in the edge strips on the left side and the right side and are fixed through fastening screws. By adopting the structure, two steel wires are arranged at each height, so that the soil weeds passing by the weeding steel wires are thoroughly cleared, and meanwhile, the weeding steel wires are arranged at different heights, so that the steel wires can clear the root systems of the weeds at various depths of the soil; meanwhile, in order to adapt to the characteristic that the soil strength is increased along with the increase of the soil penetration depth, the diameter of the weeding steel wire is increased along with the decrease of the height of the machine frame, and the breakage caused by insufficient strength of the weeding steel wire can be prevented while the operation strength is ensured.
Preferably, the wheel type weeding mechanism comprises a weeding wheel and a weeding wheel disc; the weeding wheel is of a horizontal cylindrical structure, a plurality of rows of weeding fingers are arranged on the side face of a cylinder of the weeding wheel, the lower half part of each weeding finger is a cylinder with the bottom face fixed on the surface of the weeding wheel, the upper half part of each weeding finger is an inclined cone, the inclination direction of each row of weeding finger is the same, the conical part of each weeding finger is provided with two different inclination directions, one inclination direction is inclined at a certain angle (preferably 30-45 degrees) along the axis direction of the cylinder of the weeding wheel, the other inclination direction is inclined at a certain angle (preferably 25-35 degrees) along the tangential direction of the side face of the cylinder of the weeding wheel, the weeding fingers in the two inclination directions are arranged in a spaced manner, and the two bottom faces of the cylinder of the weeding wheel are fixedly connected with the weeding wheel disc. After adopting this kind of structure, the wheel grass wheel can also utilize its surperficial weeding to indicate to carry out further weeding to soil in the operation area when providing the wheelset structure for whole device.
Preferably, the periphery of the weeding wheel disc is of a circular ring structure, conical teeth are arranged on the outer circumferential surface of the circular ring structure, and a plurality of conical teeth are distributed on the outer circumferential surface in a wave shape. After adopting this kind of structure, the weeding rim plate can also utilize the tapered tooth on its surface to carry out further weeding to soil in the operation area when providing the wheelset structure for weeding device.
Preferably, the left end and the right end of the weeding wheel are provided with transverse protruding shafts, the weeding wheel disc is correspondingly provided with a raised traction sleeve, a protruding shaft hole corresponding to the protruding shaft is formed in the traction sleeve, and the protruding shaft hole is sleeved with the protruding shaft so as to fixedly connect the weeding wheel with the weeding wheel disc; the rear portion of strake transversely symmetry is provided with two and draws the axle, draws the axle diameter the same with protruding axle hole base circle diameter, draws the axle and cup joints with weeding rim plate and frame swing joint with protruding axle hole to the translation of frame changes the rotation of weeding rim plate into. After the structure is adopted, the weeding wheel and the weeding wheel disc are fixedly connected through the convex shaft so as to move together; the whole wheel type weeding mechanism is rotationally connected with the frame through the traction sleeve and the traction shaft sleeve, so that the rotation of the wheel type weeding mechanism in the advancing process of the weeding device is realized.
As an optimization, the lower section pushing rod is provided with a hinged sheet, the middle of the upper parts of the two arch structures is correspondingly provided with a clamping groove, and the lower section pushing rod and the two arch structures are fixedly hinged with the clamping groove through the hinged sheet. After adopting this kind of structure, bulldoze the pole and fix on domes through articulated, make things convenient for the manual work to push down the release operation to bulldozing the pole under the state of standing.
The principle of the invention is as follows: in the advancing process of the weeding device, when the weeding device cannot normally advance due to the soil environment, the pushing rod is pressed down by manpower to enable the elastic damping sheet to store energy, the elastic damping sheet recovers the shape after the manpower is released to release energy, and the energy is transmitted to the rack fixedly connected with the pushing rod, so that the weeding device is given a forward instantaneous acceleration, and the weeding device continues to perform weeding operation; the device is the most place breaks the native board and opens the division with soil and carry out preliminary weeding when, and the weeding steel wire at device middle part uses twice to destroy the getting rid of to weeds root system as the unit, and the weeding wheel and the weeding rim plate at device rear portion utilize its surface structure to get rid of weeds once more when reducing the device resistance of advancing.
In summary, the present invention has the following advantages:
1. through the elastic deformation who bulldozes the elastic damping piece on the pole, make the weeding device have the instantaneous acceleration of forward motion when the elastic damping piece resumes the shape, thereby promote weeding device and advance forward, the anterior soil mechanism that splits of device is loose with the interior soil of operation area simultaneously, the steel wire weeding device at device middle part destroys the weeds root system in the operation area soil, wheeled weeding mechanism is when the wheelset mechanism convenience device who is as weeding device advances, further clear away weeds in the operation area, reach the purpose of cleaing away weeds in the paddy field.
2. The device accords with human engineering, and applies oblique downward pressing thrust to the pushing rod during operation to enable the elastic damping sheet to be compressed for energy storage, and then the energy storage is released to enable the weeding component to obtain forward instantaneous acceleration; so operate repeatedly, make the device constantly obtain instantaneous acceleration and move forward, solved under the farmland environment problem that direct thrust unit receives the soil resistance big, reduced user's physical demands, improved the work efficiency of weeding operation.
3. The soil splitting knife on the lower surface of the soil splitting plate in the front of the device is formed by combining a longitudinal blade and two transverse blades, the longitudinal blade is used for turning over the soil, and the transverse blades are used for loosening the soil; the weeding steel wire in the middle of the device pulls and cuts off weeds in the soil by utilizing the cutting characteristics of the weeding steel wire; in the wheel type weeding mechanism at the rear part of the device, conical teeth on the outer surface of the weeding wheel disc loosen soil and press and bury weeds in the rotating process, and weeding fingers on the outer surface of the weeding wheel dig the soil fully and pick up the weeds.
4. The crossing arched frame of the device can ensure that the weeding device can not damage nearby rice seedlings in the weed removing process.
5. The front end of the device frame is provided with an upward tilting angle, so that the soil cracking plate arranged on the device frame can tilt upwards, the resistance can be reduced in the advancing working process of the device, and the soil cracking plate can be inserted into soil more easily for soil turning operation.
6. The device is convenient to operate and simple in structure, and is very suitable for the characteristics of small and dispersed rice field area.
7. The device utilizes the manpower to promote the weeding, does not need other any energy to provide the energy, therefore device manufacturing cost and use cost all are very low, and the maintenance is simple very environmental protection.
Drawings
FIG. 1 is a schematic view showing the construction of a push type rice row-to-row weeding device.
Fig. 2 is a schematic structural view of a cracked soil plate.
Fig. 3 is a schematic structural view of the weeding rotary table.
Fig. 4 is a schematic structural view of the weeding wheel.
FIG. 5 is a schematic view of the structure of the pushing rod and the base frame.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments.
In the description of the invention, in the drawings: 1. a push rod; 2. a weeding wheel; 3. weeding a wheel disc; 4. weeding steel wires; 5. cracking the soil plate; 6. a frame; 7. a holding rod; 8. an elastic damping fin; 9. edging; 10. a draw bar; 11. a traction shaft; 12. a hinged sheet; 13. a metal sheet; 14. a ripping cutter; 15. a fixing sheet; 16. a traction sleeve; 17. a tapered tooth; 18. a protruding shaft; 19. weeding is performed; 20. an arch structure; 21. an upper section push rod; 22. the lower section pushes the rod.
The invention relates to a push-type rice inter-row weeding device which comprises a push rod, a rack, a soil cracking mechanism and a weeding part. The top end of the pushing rod is provided with a transverse holding rod, the pushing rod is divided into an upper-section pushing rod and a lower-section pushing rod by an elastic damping sheet arranged in the middle, the top end of the upper-section pushing rod is fixedly connected with the holding rod, the bottom end of the upper-section pushing rod is provided with two metal sheets arranged in parallel, and the two metal sheets clamp the top ends of the elastic damping sheets and are fixedly connected with the elastic damping sheets; the lower section pushing rod is fixedly connected with the rack, the top end of the lower section pushing rod is provided with two metal sheets which are arranged in parallel, and the two metal sheets clamp the bottom end of the elastic damping sheet and are fixedly connected with the elastic damping sheet. The upper section of the pushing rod is provided with a downward sunken part, the lower section of the pushing rod is provided with an upward convex part, and the whole pushing rod is S-shaped.
The rack comprises a left edge strip and a right edge strip which extend vertically, and the two edge strips are arranged in parallel; the device also comprises two strip-shaped connecting structures arranged in parallel transversely and two arch-shaped structures arranged in parallel transversely; the soil breaking mechanism is fixedly arranged at the front part of the edge strip, the steel wire weeding mechanism is fixedly arranged in the middle part of the edge strip, the wheel type weeding mechanism is arranged on a traction rod connected with the rear part of the edge strip when rotating, the front part of the edge strip inclines forwards and upwards relative to the horizontal plane, and the middle part of the edge strip inclines forwards and downwards relative to the horizontal plane; the front and the rear transverse rod-shaped strip-shaped connecting structures are perpendicular to the two edge strips and are fixedly connected with the two edge strips; the arched structure is an inverted U-shaped rod piece, two lower legs of the arched structure are respectively and fixedly arranged on the left edge strip and the right edge strip, and the arched structure is arranged above the strip-shaped connecting structure; the middle of the upper portion of the arch structure is provided with a clamping groove, the lower section of the pushing rod is correspondingly provided with two hinged pieces, and the two hinged pieces are fixedly connected with the clamping grooves of the front arch structure and the rear arch structure respectively.
The soil cracking mechanism comprises a soil cracking plate, two fixing plates are correspondingly arranged on two sides of the upper surface of the soil cracking plate, screw holes are correspondingly arranged on the front side of the edge strip of the rack, and the soil cracking plate is fixedly arranged on the rack through bolts and the fixing plates; the lower surface of the soil splitting plate is provided with a plurality of soil splitting knives, the soil splitting knives are distributed forwards according to a triangular lattice, namely, one soil splitting knife is arranged towards the center of a first row in the front, two soil splitting knives are symmetrically arranged on two sides of the center of a second row, three soil splitting knives are arranged on a third row, the middle soil splitting knife is positioned in the center of the third row, the distances between the two soil splitting knives and the middle soil splitting knife are equal, and the six soil splitting knives are all positioned on a triangular side line taking the soil splitting knives of the first row and the soil splitting knives on two sides of the third row as vertexes; the soil splitting knife comprises a longitudinal blade and two transverse blades; the longitudinal blades are in pawl shapes, the bent openings of the longitudinal blades are upward, the transverse blades are in curved surface shapes with concave surfaces upward, the top ends of the two transverse blades are fixedly connected, the joint of the two transverse blades is fixed at the tail end of the longitudinal blade, the longitudinal blade extends forwards, and the two transverse blades respectively extend leftwards and rightwards by taking the longitudinal blade as the center.
The weeding part comprises a steel wire weeding mechanism and a wheel type weeding mechanism; the steel wire weeding mechanism comprises a plurality of weeding steel wires which are transversely arranged, two weeding steel wires form a steel wire weeding unit, the plurality of steel wire weeding units are distributed at different height positions in the middle of the edge strip from bottom to top at intervals in the front-back direction, and the diameter of the weeding steel wire is larger as the steel wire weeding unit is lower; the middle part of strake is provided with the hole that corresponds with weeding steel wire quantity, and the outside of hole is fixed and is provided with the horizontally plate, has the screw on the plate, and the weeding steel wire passes the hole that the symmetry set up on the left and right sides strake and passes through fastening screw to be fixed on the plate in the outside of strake.
The wheel type weeding mechanism comprises a weeding wheel and a weeding wheel disc; the weeding wheel is of a horizontal cylindrical structure, a plurality of rows of weeding fingers are arranged on the side surface of a cylinder of the weeding wheel, the lower half part of the weeding fingers is a cylinder with the bottom surface fixed on the surface of the weeding wheel, the upper half part of the weeding fingers is an inclined cone, the conical part of the weeding fingers has two different inclined directions, one is inclined at a certain angle (preferably 30-45 degrees) along the axis direction of the cylinder of the weeding wheel, the other is inclined at a certain angle (preferably 25-35 degrees) along the tangential direction of the side surface of the cylinder of the weeding wheel, the inclined directions of the weeding fingers in each row are the same, the weeding fingers in the two inclined directions are arranged in a spaced manner, and the two bottom surfaces of the cylinder of the weeding wheel are fixedly connected with the weeding wheel disc; the periphery of the weeding wheel disc is of a circular ring structure, conical teeth are arranged on the outer circumferential surface of the circular ring structure, and a plurality of conical teeth are distributed on the outer circumferential surface in a wave shape. The diameter of weeding rim plate is greater than the diameter of weeding wheel, the left and right sides of weeding wheel is all fixed and is provided with horizontal protruding axle, the middle part of weeding rim plate is provided with bellied cylindric the cover that pulls, it is provided with the hole that runs through in the cover to pull, the hole that pulls the cover corresponds the setting with protruding axle cross-section, the protruding axle passes the hole that pulls the cover and weeding rim plate fixed connection, the rear portion of strake is the traction lever, the rear end of traction lever is provided with the horizontally and pulls the axle, it is unanimous with protruding axle bore internal diameter to pull an external diameter, it is greater than protruding axle length and pulls an axle length sum to pull the cover width, make and pull the axle insert the rotation that the translation of protruding axle hole with weeding rim plate frame changed into.
The working process of the invention is as follows.
In the embodiment, the selected soil cracking plate is 28cm long and 20cm wide, the thickness of the soil cracking plate gradually becomes thinner from 16mm along with upwarping of the soil cracking plate, 2cm thick fixing pieces are symmetrically arranged on the left and right, three rows of soil cracking knives are selected, the number of each row of blades is 1, 2 and 3, 8 weeding steel wires are selected and divided into 4 steel wire weeding units, the diameters of the weeding steel wires are 0.5mm, 0.1mm, 0.05mm and 0.01mm from large to small in sequence, the diameter of the weeding wheel disc is 12cm, the diameter of the weeding wheel is 10cm, the weeding finger inclines 45 degrees along the axis direction of the weeding wheel, inclines 28 degrees along the tangential direction of the side face of the weeding wheel cylinder, and the elastic material of the elastic damping piece is thermoplastic polyurethane rubber.
Before the operation, twine 8 way weeding steel wires on the hole on the frame strake according to the diameter from small to big along weeding device advancing direction to through fastening screw tensioning, in order to prevent that the weeding steel wire drops or becomes flexible in the course of the work. Then, the weeding device is placed between the rice rows, and whether the weeding device is aligned with the rice rows or not is observed, so that the rice seedlings are prevented from being accidentally injured in the weeding process to cause loss.
When the device enters the field to work, the holding rod applies pressure to the pushing rod, the pushing rod is in the shape of two arcs with opposite directions, the upper section pushing rod is enabled to deform, the elastic damping sheet parallel to the ground is compressed to store energy, then the energy storage is released, the lower section pushing rod is enabled to be subjected to forward instantaneous acceleration, and the lower section pushing rod is connected with the machine frame through the two points of the hinge sheet to enable the machine frame to move forward, so that the weeding component is driven to move forward.
In the process that the device moved forward, in order to make the device can not insert in the middle of the soil, the height at frame strake middle part decreases progressively along the direction of advance of device, and the preceding cracked soil board of frame strake upwarps along the device direction of advance. Three rows of soil splitting knives on the bottom surface of the soil splitting plate are arranged in a triangular lattice manner, the number of the soil splitting knives in each row is gradually reduced along the advancing direction of the device, so that soil on an advancing road of the device can be turned over and split through the soil splitting knives in each row, and the grass cutting operation of a weeding steel wire is facilitated; each soil splitting knife on the soil splitting plate is divided into three blades, the longitudinal blade is responsible for digging soil and enabling the soil to be divided into two sides of the longitudinal blade, meanwhile, part of weeds on an operation path can be dug out, the transverse blades on the two sides are responsible for turning up the soil dug out by the longitudinal blade to a knife face, and in the process, the transverse blade is also responsible for cutting off part of the weeds on the operation path and enabling the weeds to be turned out along the knife face of the transverse blade.
Each weeding steel wire in the middle of the device is arranged in a double row mode through holes in the edge strips of the rack, so that the weeding strength of each row of weeding steel wires is increased, and weeds on an operation path can be pulled out more easily; in addition, the weeding steel wire utilizes the cutting characteristic and the advancing potential energy obtained from the pushing rod to cut off the root systems of the weeds in the working soil, and in order to adapt to the characteristic that the soil strength is increased along with the increase of the soil penetration depth, the diameter of the steel wire of the 4 steel wire weeding units is increased along with the decrease of the height of the steel wire weeding units, and the weeding steel wire is prevented from being broken due to the insufficient strength.
The rear part of the device drives the weeding wheel disc and the weeding wheel to move forwards through the traction rod on the edge strip of the rack, and in order to enable the weeding wheel disc to rotate in the advancing process of the device, a traction shaft is arranged at the rear end of the traction rod, the outer diameter of the traction shaft is the same as the inner diameter of a convex shaft hole of the traction sleeve, and the traction shaft is inserted into the traction sleeve.
In the forward process of the device, the operating soil can apply resistance opposite to the forward direction to the contact position of the weeding wheel disc and the soil, the machine frame can apply forward force to the wheel center of the weeding wheel disc, and the two forces in opposite directions generate forward rotating torque to promote the weeding wheel disc to rotate forward. The weeding wheel disc is provided with the conical teeth along the periphery of the outer side surface of the circular ring, and the conical teeth are arranged in a wave shape on the outer surface of the circular ring, so that soil can be planed in the rotating process, the resistance of the weeding wheel disc in the rotating process is reduced, the soil on the rotating path of the weeding wheel disc is loosened, and weeds with deep roots are removed.
The weeding wheel is cylindrical, two ends of the weeding wheel are respectively provided with a convex shaft, and the convex shafts are connected with convex shaft holes in the traction sleeve on the weeding wheel disc, so that the weeding wheel and the weeding wheel disc synchronously rotate; weeding fingers are distributed on the weeding wheel along the periphery of the side surface of the cylinder, and in the rotating process, the weeding fingers dig out weeds cut off by the weeding steel wire in the soil of the operation path and turn out the residual weeds on the operation path; weeding fingers are distributed along the periphery of the side surface of the cylinder, so that the resistance of the weeding wheel in the rotating process is reduced, and the disturbance effect on soil is fully improved; the conical part of each weeding finger is the part which enters the soil firstly, so that the weeding fingers can better enter the soil; the tangential inclination of the conical part of the weeding finger to the cylindrical side surface of the weeding wheel is used for better hooking the weed root system, thereby being beneficial to realizing the effective separation of the weed root system and the soil; the conical part of the weeding finger inclines towards the axial direction of the cylindrical weeding wheel, so that the effective range of hooking operation is enlarged, and the weeding rate is improved.
In addition to the above embodiments, it is also possible to provide 10 or 16-way weeding steel wires as the wire weeding mechanism of the weeding device, and it is also possible to use elastic damping fins made of elastic alloy or rubber-like elastic material. The size of the soil breaking plate, the diameter of the weeding steel wire and the diameter of the wheel type weeding mechanism can be changed according to the requirement; meanwhile, the inclination angle of the weeding finger along the cylindrical axis direction of the weeding wheel can be 30 degrees, 30 degrees and 40 degrees; the angle of inclination of the weeding fingers in the tangential direction of the cylindrical side surface of the weeding wheel can also be 25 degrees, 30 degrees and 35 degrees.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (10)
1. The utility model provides a bulldoze formula rice interline weeding device which characterized in that: comprises that
-a soil-splitting mechanism for splitting the soil,
a wire weeding mechanism comprising a plurality of transversely arranged weeding wires,
-a wheeled weeding mechanism,
-a frame,
-a push rod comprising an elastic damping fin and displaced forward by elastic deformation of the elastic damping fin;
the soil cracking mechanism is fixedly arranged at the lower front part of the frame, the steel wire weeding mechanism is fixed at the lower middle part of the frame, the lower rear part of the frame is rotatably connected with the wheel type weeding mechanism, and the pushing rod is fixedly arranged at the upper part of the frame; the elastic damping fin is arranged in the middle of the pushing and pressing rod.
2. A push type rice interline herbicide device as set forth in claim 1, wherein: the elastic damping sheet divides the push rod into an upper section push rod and a lower section push rod; the push rod is integrally S-shaped, the upper section of the push rod is provided with an upward notch, and the lower section of the push rod is provided with a downward notch; the lower end of the upper section pushing rod and the upper end of the lower section pushing rod are both provided with two metal sheets, and the upper end and the lower end of the elastic damping sheet are both fixedly connected with the two metal sheets; the upper section pushing rod further comprises a holding rod, and the holding rod is fixedly arranged at the top end of the upper section pushing rod.
3. A push type rice interline herbicide device as set forth in claim 1, wherein: the frame comprises an arch structure, a strip-shaped connecting structure and edge strips; the two edge strips are symmetrically distributed on the left side and the right side of the rack, the soil cracking mechanism is fixedly arranged at the front parts of the edge strips, the steel wire weeding mechanism is fixedly arranged in the middle parts of the edge strips, the wheel type weeding mechanism is rotatably arranged at the rear parts of the edge strips, the front parts of the edge strips are arranged in an inclined mode towards the front upper part, and the middle parts of the edge strips are arranged in an inclined mode towards the front lower part; the front and the rear strip-shaped connecting structures are both vertical to the edge strips and are both fixedly connected with the left edge strip and the right edge strip; the front and the rear arched structures span above the strip-shaped connecting structures, and the lower ends of the two sides of the arched structures are fixedly connected with the left and the right edge strips respectively.
4. A push type rice interline herbicide device as set forth in claim 3, wherein: the soil cracking mechanism is a soil cracking plate, a plurality of soil cracking knives are arranged on the lower surface of the soil cracking plate, fixing pieces are symmetrically arranged on two sides of the upper surface of the soil cracking plate, and the soil cracking plate is fixedly arranged on the front side of the edge strip through the fixing pieces.
5. A push type rice row-to-row weeding device according to claim 4, wherein: the plurality of soil splitting knives are distributed in a triangular lattice manner; the soil splitting knife comprises a longitudinal blade and two transverse blades; the longitudinal blades are in pawl shapes, the bent openings of the longitudinal blades are upward, the transverse blades are in curved surface shapes with concave surfaces upward, the two transverse blades are fixed at the rear ends of the longitudinal blades and extend forwards, and the two transverse blades respectively extend leftwards and rightwards by taking the longitudinal blades as centers.
6. A push type rice interline herbicide device as set forth in claim 3, wherein: in the steel wire weeding mechanism, every two weeding steel wires form a steel wire weeding unit, a plurality of steel wire weeding units are distributed at different height positions in the middle of the edge strip from bottom to top at intervals in the front-back direction, and the diameter of the weeding steel wire is increased along with the reduction of the height of the weeding steel wire; holes corresponding to the quantity of the weeding steel wires are formed in the middle of the edge strips, and the weeding steel wires penetrate through the holes symmetrically formed in the edge strips on the left side and the right side and are fixed through fastening screws.
7. A push type rice interline herbicide device as set forth in claim 3, wherein: the wheel type weeding mechanism comprises a weeding wheel and a weeding wheel disc; the cylindrical structure that the weeding wheel is for lying down, it indicates to be provided with the multirow weeding on the cylinder side of weeding wheel, the lower half that weeding indicates is the cylinder that the bottom surface was fixed on weeding wheel surface, the first half is the cone of slope, the weeding of each row indicates that the incline direction is the same, the circular cone part that weeding indicates has the incline direction of two kinds of differences, one is that the cylinder axis direction along the weeding wheel inclines with certain angle, the other one is that the tangential direction along the cylinder side of weeding wheel inclines with certain angle slope, the weeding of two kinds of incline directions indicates to separate row's setting, two cylinder bottom surfaces and the weeding rim plate fixed connection of weeding wheel.
8. A push type rice interline herbicide device as set forth in claim 7, wherein: the periphery of the weeding wheel disc is of a circular ring structure, conical teeth are arranged on the outer circumferential surface of the circular ring structure, and a plurality of conical teeth are distributed on the outer circumferential surface in a wave shape.
9. A push type rice interline herbicide device as set forth in claim 7, wherein: the left end and the right end of the weeding wheel are provided with transverse protruding shafts, the weeding wheel disc is correspondingly provided with a raised traction sleeve, a protruding shaft hole corresponding to the protruding shaft is arranged in the traction sleeve, and the protruding shaft hole is sleeved with the protruding shaft, so that the weeding wheel is fixedly connected with the weeding wheel disc; the rear portion of strake transversely symmetry is provided with two and draws the axle, draws the axle diameter the same with protruding axle hole base circle diameter, draws the axle and cup joints with weeding rim plate and frame swing joint with protruding axle hole to the translation of frame changes the rotation of weeding rim plate into.
10. A push type rice interline herbicide device as set forth in claim 3, wherein: the lower section pushing and pressing rod is provided with a hinged sheet, the middle of the upper parts of the two arch structures is correspondingly provided with a clamping groove, and the lower section pushing and pressing rod is fixedly hinged with the two arch structures through the hinged sheet and the clamping groove.
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| CN202110919339.1A CN113597832B (en) | 2021-08-11 | 2021-08-11 | Bulldoze formula rice interline weeding device |
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| CN202110919339.1A CN113597832B (en) | 2021-08-11 | 2021-08-11 | Bulldoze formula rice interline weeding device |
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