CN110050527B - Rice inter-row weeding part suitable for transverse seedling avoidance regulation - Google Patents
Rice inter-row weeding part suitable for transverse seedling avoidance regulation Download PDFInfo
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- CN110050527B CN110050527B CN201910481197.8A CN201910481197A CN110050527B CN 110050527 B CN110050527 B CN 110050527B CN 201910481197 A CN201910481197 A CN 201910481197A CN 110050527 B CN110050527 B CN 110050527B
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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
- A01B39/08—Other machines specially adapted for working soil on which crops are growing with rotating tools such as weeding machines
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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
-
- 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
-
- 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
- A01B39/26—Arrangements for protecting plants, e.g. fenders
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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
A rice interline weeding component suitable for transverse seedling avoidance regulation comprises a weeding knife, a stepped shaft and a traveling simulating frame; the stepped shaft is arranged on a regulating and controlling frame of the weeding machine through the profiling frame, and the weeding knife is arranged on the stepped shaft; the weeding knife comprises a blade hub arranged on a stepped shaft, a plurality of weeding blades and a baffle plate, wherein the weeding blades and the baffle plate are circumferentially and uniformly arranged on the outer side of the blade hub, the root of each weeding blade is connected with the blade hub, and the weeding blades form an arc shape from the root of the inner side to the edge of the outer side. The invention has simple structure and reliable work, the weeding blade has smaller soil cutting resistance and transverse seedling avoiding regulation resistance, improves the stability of transverse seedling avoiding weeding regulation, is suitable for transverse seedling avoiding regulation and control, and belongs to the technical field of agricultural machinery.
Description
Technical Field
The invention relates to agricultural machinery, in particular to a rice interline weeding part suitable for transverse seedling avoidance regulation.
Background
In the ecological system of the rice field, weeds and rice compete for resources such as growth space, fertilizer nutrients, illumination, heat and the like, and the weeds and the rice are one of important reasons for reducing the yield and the quality of the rice. Effective weed growth control is an important link in the rice growth process, application of chemical herbicides is a weed prevention and control mode widely applied at present, but long-term, large-amount and high-frequency application can cause negative problems of weed drug resistance, phytotoxicity, environmental pollution and the like. Therefore, the key to ensuring the sustainable development of agriculture is the vigorous development of mechanical weeding. However, in actual operation, the seedling belt bending changes to cause the problem that the weeding executive component damages the seedlings, and the development of mechanical weeding technology is severely restricted. Therefore, it is necessary and urgent to develop an intelligent mechanical weeding technical study, guide the weeding execution part according to the seedling zone, implement differential regulation and control on the operation path, and realize seedling avoidance mechanical weeding.
The seedling avoidance involves the transverse movement of the weeding part, however, the structural design of the existing rice inter-row weeding part cannot adapt to the intelligent seedling avoidance regulation and control strategy, and the large transverse soil contact area of the weeding part causes the serious soil scraping and large resistance of the transverse movement of the seedling avoidance; meanwhile, soil is accumulated at the base of the rice seedling stem, so that the rice seedling is inclined or pressed down, and the normal growth is seriously influenced. Therefore, it is necessary to design a transverse low-resistance rice field row-to-row weeding part so as to meet the operation requirement of a seedling-avoiding mechanical weeding machine.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention aims to: provides a rice inter-row weeding component with good weeding effect and suitable for transverse seedling avoidance regulation.
In order to achieve the purpose, the invention adopts the following technical scheme:
a rice interline weeding component suitable for transverse seedling avoidance regulation comprises a weeding knife, a stepped shaft and a traveling simulating frame; the stepped shaft is arranged on a regulating and controlling frame of the weeding machine through the profiling frame, and the weeding knife is arranged on the stepped shaft; the weeding knife comprises a blade hub arranged on a stepped shaft, a plurality of weeding blades and a baffle plate, wherein the weeding blades and the baffle plate are circumferentially and uniformly arranged on the outer side of the blade hub, the root of each weeding blade is connected with the blade hub, and the weeding blades form an arc shape from the root of the inner side to the edge of the outer side.
Preferably, the weeding blade comprises a front section, a back section and a cutting edge; in the side view direction, the normal section and the back section both form Archimedes spiral shapes, and the curvature of the root part is larger than that of the blade part; the cutting edge comprises two inclined edges which are symmetrical left and right, and a tool nose is formed at the joint of the two inclined edges; the width of the weeding blade is gradually reduced from the tail end of the inclined edge to the root of the weeding blade, and an arc shape is formed between the tail end of the inclined edge and the root of the weeding blade in the overlooking direction.
Preferably, the root of the weeding blade is provided with a T-shaped structure; blade hub is the cylinder, and the center is equipped with the through-hole, and side equipartition T type groove, through-hole and step shaft meet, and the T type structure embedding T of weeding blade is in the inslot, realizes that the circumference of weeding blade is fixed, and every blade hub both sides all set up two baffles and are used for the axial fixity of weeding blade.
Preferably, the profiling frame comprises a first plate, a second plate, a spring and a fixing block; the upper end of first plate and second plate all is equipped with the position of buckling, and the lower extreme of second plate is articulated with the middle part of first plate, and the lower extreme and the step shaft of first plate meet, and tensile spring mounting is between the position of buckling of the position of first plate and second plate, and the fixed block is installed on the second plate.
Preferably, the second plate member is disposed in a vertical direction; be equipped with a plurality of mounting holes of high difference on the second plate, the fixed block is through being connected and fixing in regulation and control frame with the mounting hole.
Preferably, the number of the weeding knives is two, the weeding knives are symmetrically arranged left and right, and the imitated frame is positioned at the left and right middle positions of the two weeding knives.
Preferably, the shaft diameter of the middle part of the stepped shaft is large, and the shaft diameters of the two ends of the stepped shaft are small; the two flange plates are sleeved in the middle of the stepped shaft and are arranged on the left side and the right side of the walking-imitating frame, so that the stepped shaft is transversely fixed.
Preferably, the normal and back cut surfaces of the weeding blade are parallel to the axis of the stepped shaft.
In summary, the present invention has the following advantages:
1. simple structure, reliable operation, the required soil cutting resistance of weeding blade and the horizontal regulation and control resistance of keeping away the seedling are less, have improved the horizontal stability of keeping away the regulation and control of seedling weeding, and the suitable horizontal regulation and control of keeping away the seedling.
2. The arc lines of the front tangent plane and the back tangent plane of the weeding blade adopt Archimedes spiral, the sliding cutting angle of the arc surface of the Archimedes spiral increases along with the increase of the penetration depth of the back tangent plane, and the sliding cutting effect is better; meanwhile, the arc line of the back tangent plane of the weeding blade adopts Archimedes spiral, the weeding blade is pressed into soil in a gradual-entering mode, and the weed burying effect is good.
3. The cutting edges of the weeding blades are symmetrical inclined edges, so that the cutting edges of the weeding blades close to the rice roots penetrate into the soil shallowly, and the mechanical damage of the weeding blades to the rice roots is effectively reduced; meanwhile, compared with the chopping action mode of a straight cutting edge, the blade is more beneficial to cutting off weed stalks or root systems by adopting the sliding cutting of an inclined cutting edge.
4. The arrangement mode of weeding blade is that the blade face is parallel with the step shaft axis, the T type structure embedding of blade root is in the T type inslot of blade hub, circumference evenly distributed is on the blade hub, the horizontal soil area that touches of reduction weeding blade that this kind of mounting means can be very big, the suitable seedling operation of transversely keeping away is favorable to transversely keeping away seedling regulation and control stability, reduce soil movement, weed removal wheel both sides soil excessively piles up at rice seedling stem base portion when keeping away the seedling regulation and control, cause the rice plant to lodge or press and bury.
5. Set up a plurality of mounting holes on the second plate, the fixed block is installed in the mounting hole of difference, corresponds the different initial work height of weeding part.
Drawings
FIG. 1 is a schematic structural diagram of a rice row-to-row weeding member suitable for transverse seedling avoidance regulation.
FIG. 2 is a schematic structural diagram of the walking simulation frame.
Fig. 3 is a schematic view of the construction of the blade hub.
Fig. 4 is a top view of the weeding blade.
Fig. 5 is a side view of the weeding blade.
FIG. 6 is an exploded view of a part of a rice row-to-row weeding member suitable for lateral seedling avoidance control.
Wherein: the weeding cutter comprises a weeding blade 1, a normal-cut surface 11, a T-shaped structure 12, a cutting edge 13, a back-cut surface 14, a nut 2, a baffle 3, a baffle screw hole 31, a baffle through hole 32, a stepped shaft 4, a shaft head screw thread 41, a blade hub 5, a blade hub T-shaped groove 51, a blade hub through hole 52, a blade hub screw hole 53, a flange plate 6, a profiling frame 7, a first plate 71, a second plate 72, a first plate through hole 73, a mounting hole 74, a spring 8, a fixing block 9 and a moving direction v of the weeding part.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments.
Example one
A rice interline weeding component suitable for transverse seedling avoidance regulation comprises a weeding knife, a stepped shaft and a traveling simulating frame; the stepped shaft is installed on the weeder through the profiling frame, and the weeding cutter is installed on the stepped shaft.
The weeding knife comprises a blade hub arranged on a stepped shaft, a plurality of weeding blades and a baffle plate, wherein the weeding blades and the baffle plate are circumferentially and uniformly arranged on the outer side of the blade hub, the root of each weeding blade is connected with the blade hub, and the weeding blades form an arc shape from the root of the inner side to the edge of the outer side. In this embodiment, the quantity of weeding sword is two, and bilateral symmetry arranges, and imitative row frame is located two left and right sides central position of weeding sword.
The weeding blade comprises a front tangent plane, a back tangent plane and a cutting edge; in the side view direction, the normal section and the back section of the weeding blade are both in an archimedean spiral shape, the curvature of the root part is larger than that of the blade part, wherein the archimedean spiral shape means that the back section and the normal section of the weeding blade are both coincident with partial arc sections of the archimedean spiral. The arc lines of the front tangent plane and the back tangent plane are selected to be the same. The cutting edge comprises two inclined edges which are symmetrical left and right, and a tool nose is formed at the joint of the two inclined edges; the width of the weeding blade becomes gradually smaller from the tip of the beveled edge to the root of the weeding blade, and an arc shape is formed between the tip of the beveled edge and the root of the weeding blade in the top view direction shown in fig. 4. The Archimedes spiral arc adopted by the cambered surface of the weeding blade has the effects of bulldozing, burying, inhibiting soil backflow and the like, and weeds are damaged mainly in a burying and burying mode. The inclined angle of the inclined blade is determined by the specific internal friction coefficient of the weeding blade and soil, and the cutting blade has the functions of cutting soil, breaking roots and the like and mainly damages weeds in a cutting mode. The root of the weeding blade is provided with a T-shaped structure.
The blade hub is a cylinder, a through hole is formed in the center of the blade hub and is connected with the stepped shaft through the through hole, T-shaped grooves are uniformly distributed in the side face of the blade hub, and T-shaped structures are embedded into the T-shaped grooves. Two baffles are arranged on two circular planes of the blade hub through screws to axially fix the weeding blades, and two baffles are arranged on two sides of each blade hub and used for axially fixing the weeding blades.
The profiling frame comprises a first plate, a second plate, a spring and a fixing block. The upper ends of the first plate and the second plate are respectively provided with a bending part, and the two bending parts are basically parallel and used for mounting the spring. The lower extreme of second plate is articulated with the middle part of first plate, and the lower extreme of first plate meets with the step shaft to first plate and second plate form "Y" shape structure. The stretched spring is installed between the small hole at the first plate bending position and the small hole at the second plate bending position, the fixed block is installed on the second plate, and the fixed block is connected with the adjusting and controlling frame of the weeding machine. The second plate is arranged along the vertical direction; be equipped with a plurality of mounting holes of high difference on the second plate, the fixed block is fixed in the mounting hole, through selecting different mounting holes, adjusts the initial operating height who weeds the part. The fixed block is a clamping type fixed block. Adopt the imitative frame structure of this embodiment, when weeding the part and exert downward pressure, the spring receives the pulling force, and the pulling force size is decided by the fluctuation degree of paddy field soil, utilizes the tensile elasticity of spring to ensure the stable operation depth of weeding part.
The stepped shaft is divided into three sections, the shaft diameter of the middle part is large, and the shaft diameters of the two ends are small; the two flange plates are sleeved at the middle part of the stepped shaft and used for fixing the walking simulating frame. The both ends of the stepped shaft are in clearance fit with the through hole of the blade hub, the tail end of the shaft head is provided with threads which are connected with the screw cap threads, and the blade hub is transversely fixed through a shaft shoulder and the screw cap.
The working principle of the rice interline weeding component suitable for transverse seedling avoidance regulation is as follows:
firstly, the weeding component is arranged on a regulation and control frame of the weeding machine through a fixed block, the initial working height of the weeding component is adjusted, the initial working height is determined according to the required weeding depth, generally speaking, the surface of soil is positioned at the bottom position of a blade hub, as shown in figure 1, the weeding component carries out row-to-row weeding along with the weeding machine along the direction of speed v, and the weeding component is contacted with the soil and passively rotates clockwise. The contact process of the weeding blade and the soil is divided into three working stages: firstly, cutting a cutting edge of a weeding blade into soil, cutting off a weed root system on the cutting edge, and dividing the soil into two parts until the weeding blade reaches the maximum weeding depth, and at the moment, a weeding component mainly destroys weeds in a shearing mode; when the cutting edge cuts, the cutting edge enters a working area of the back tangent plane, the back tangent plane buries and presses soil on one side of the cut, weeds are buried and pressed into the soil by the back tangent plane, and at the moment, the weeding component mainly destroys the weeds in a burying and pressing mode; finally, when the weeding blade is buried to the deepest weeding depth, the normal section of the weeding blade is buried and pressed in the soil on the other side which is cut along with the blade, and the weeds are buried and pressed in the soil by the normal section.
By adopting the weeding part, weeding operation is mainly carried out in a cutting and burying mode, the transverse regulation resistance and the burying resistance are small, the weeding effect is good, the weeding part has a terrain-imitating mechanical weeding function, and the weeding part is simple in structure, low in operation power consumption, strong in reliability and low in production cost; by utilizing the weeding component, the problems of environmental pollution, weed drug resistance, phytotoxicity and the like caused by chemical weeding can be reduced.
Example two
The inclination angle, back tangent plane and normal tangent plane of the cutting edge of the weeding blade are Archimedes spiral with different proportionality constants, and are determined by soil type and weeding blade material property, the width design of the weeding blade is determined by different mechanical seedling transplanting working parameters, and the length design (namely the maximum working depth) of the weeding blade is determined by specific weeding operation requirements. The cutting edge inclination angle that this embodiment weeding blade chose for use is 30, and archimedes spiral proportionality constant is 31, and weeding blade width is 100mm, and length is 80 mm.
The embodiment is not described in the first embodiment.
In addition to the above-mentioned embodiments, the number of blades per blade hub can be chosen appropriately, and such variations are within the scope of the invention.
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 (7)
1. A rice interline weeding part suitable for transverse seedling avoidance regulation and control is characterized in that: comprises a weeding knife, a stepped shaft and a traveling simulating frame; the stepped shaft is arranged on a regulating and controlling frame of the weeding machine through the profiling frame, and the weeding knife is arranged on the stepped shaft; the weeding knife comprises a blade hub arranged on the stepped shaft, a plurality of weeding blades and a baffle plate, wherein the weeding blades are uniformly distributed on the outer side of the blade hub in the circumferential direction; the weeding blade comprises a front tangent plane, a back tangent plane and a cutting edge; in the side view direction, the normal section and the back section both form Archimedes spiral shapes, and the curvature of the root part is larger than that of the blade part; the cutting edge comprises two inclined edges which are symmetrical left and right, and a tool nose is formed at the joint of the two inclined edges; the width of the weeding blade is gradually reduced from the tail end of the inclined edge to the root of the weeding blade, and an arc shape is formed between the tail end of the inclined edge and the root of the weeding blade in the overlooking direction.
2. The inter-row rice weeding member suitable for lateral seedling avoidance control according to claim 1, wherein: the root of the weeding blade is provided with a T-shaped structure; blade hub is the cylinder, and the center is equipped with the through-hole, and side equipartition T type groove, through-hole and step shaft meet, and the T type structure embedding T of weeding blade is in the inslot, realizes that the circumference of weeding blade is fixed, and every blade hub both sides all set up two baffles and are used for the axial fixity of weeding blade.
3. The inter-row rice weeding member suitable for lateral seedling avoidance control according to claim 1, wherein: the walking-simulating frame comprises a first plate, a second plate, a spring and a fixed block; the upper end of first plate and second plate all is equipped with the position of buckling, and the lower extreme of second plate is articulated with the middle part of first plate, and the lower extreme and the step shaft of first plate meet, and tensile spring mounting is between the position of buckling of the position of first plate and second plate, and the fixed block is installed on the second plate.
4. The inter-row rice weeding member suitable for lateral seedling avoidance control according to claim 3, wherein: the second plate is arranged along the vertical direction; be equipped with a plurality of mounting holes of high difference on the second plate, thereby the fixed block is fixed in regulation and control frame through being connected with the mounting hole.
5. The inter-row rice weeding member suitable for lateral seedling avoidance control according to claim 1, wherein: the number of weeding sword is two, and bilateral symmetry arranges, and imitative frame is located two left and right sides central position of weeding sword.
6. The inter-row rice weeding member suitable for lateral seedling avoidance control according to claim 5, wherein: the shaft diameter of the middle part of the stepped shaft is large, and the shaft diameters of the two ends of the stepped shaft are small; the two flange plates are sleeved in the middle of the stepped shaft and are arranged on the left side and the right side of the walking-imitating frame, so that the stepped shaft is transversely fixed.
7. The inter-row rice weeding member suitable for lateral seedling avoidance control according to claim 2, wherein: the normal section and the back section of the weeding blade are parallel to the axis of the stepped shaft.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910481197.8A CN110050527B (en) | 2019-06-04 | 2019-06-04 | Rice inter-row weeding part suitable for transverse seedling avoidance regulation |
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| CN201910481197.8A CN110050527B (en) | 2019-06-04 | 2019-06-04 | Rice inter-row weeding part suitable for transverse seedling avoidance regulation |
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| CN110050527B true CN110050527B (en) | 2021-04-23 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111527808A (en) * | 2020-03-31 | 2020-08-14 | 南京沃杨机械科技有限公司 | Inter-row weeding and fertilizing composite device |
| CN111296141B (en) * | 2020-03-31 | 2021-08-06 | 扬州大学 | Crop farming process |
| CN111955067B (en) * | 2020-07-30 | 2022-03-22 | 浙江大学 | Inter-row and inter-plant weeding device and method for paddy field |
| CN113692790A (en) * | 2021-08-31 | 2021-11-26 | 农业农村部南京农业机械化研究所 | Paddy field weeder |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003339203A (en) * | 2002-05-29 | 2003-12-02 | Kazuhiro Yoshihara | Weeder |
| CN102696291A (en) * | 2012-06-15 | 2012-10-03 | 渠海忠 | Multifunctional hoeing machine |
| CN104081898A (en) * | 2014-06-16 | 2014-10-08 | 沈阳农业大学 | Cutting, shifting and blocking preventing device |
| CN104322197A (en) * | 2014-10-10 | 2015-02-04 | 徐州巧力威新型机械厂（普通合伙） | Cutter for peanut harvesters |
| CN205052082U (en) * | 2015-10-20 | 2016-03-02 | 付朋飞 | Artifical weeder of rice terrace |
| CN105659950A (en) * | 2016-03-25 | 2016-06-15 | 孙吴县农发农业机械有限公司 | Pressure spring and tension spring combined type weeder assembly fluctuation profiling mechanism |
| CN206077984U (en) * | 2016-08-31 | 2017-04-12 | 郴州金辉福地农业有限公司 | Weeding device is planted to grape |
| CN107295818A (en) * | 2017-07-20 | 2017-10-27 | 华南农业大学 | Paddy field weed-killer machine automatic seedling avoiding system and method |
| CN206728517U (en) * | 2017-05-18 | 2017-12-12 | 洪泽立峰现代农业发展有限公司 | One kind combines head of hoeing up weeds |
| CN107484442A (en) * | 2017-11-15 | 2017-12-19 | 李颂 | A kind of grid type paddy field in the ranks weeder |
| CN206763970U (en) * | 2017-03-23 | 2017-12-19 | 常州精诺工具制造有限公司 | Face and side cutter |
| CN206821173U (en) * | 2017-05-10 | 2018-01-02 | 黑龙江省农业科学院黑河分院 | A kind of corn planting weeder |
| CN208662543U (en) * | 2018-07-18 | 2019-03-29 | 苏州西格模具有限公司 | A kind of three three tooth lathe tools |
-
2019
- 2019-06-04 CN CN201910481197.8A patent/CN110050527B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003339203A (en) * | 2002-05-29 | 2003-12-02 | Kazuhiro Yoshihara | Weeder |
| CN102696291A (en) * | 2012-06-15 | 2012-10-03 | 渠海忠 | Multifunctional hoeing machine |
| CN104081898A (en) * | 2014-06-16 | 2014-10-08 | 沈阳农业大学 | Cutting, shifting and blocking preventing device |
| CN104322197A (en) * | 2014-10-10 | 2015-02-04 | 徐州巧力威新型机械厂（普通合伙） | Cutter for peanut harvesters |
| CN205052082U (en) * | 2015-10-20 | 2016-03-02 | 付朋飞 | Artifical weeder of rice terrace |
| CN105659950A (en) * | 2016-03-25 | 2016-06-15 | 孙吴县农发农业机械有限公司 | Pressure spring and tension spring combined type weeder assembly fluctuation profiling mechanism |
| CN206077984U (en) * | 2016-08-31 | 2017-04-12 | 郴州金辉福地农业有限公司 | Weeding device is planted to grape |
| CN206763970U (en) * | 2017-03-23 | 2017-12-19 | 常州精诺工具制造有限公司 | Face and side cutter |
| CN206821173U (en) * | 2017-05-10 | 2018-01-02 | 黑龙江省农业科学院黑河分院 | A kind of corn planting weeder |
| CN206728517U (en) * | 2017-05-18 | 2017-12-12 | 洪泽立峰现代农业发展有限公司 | One kind combines head of hoeing up weeds |
| CN107295818A (en) * | 2017-07-20 | 2017-10-27 | 华南农业大学 | Paddy field weed-killer machine automatic seedling avoiding system and method |
| CN107484442A (en) * | 2017-11-15 | 2017-12-19 | 李颂 | A kind of grid type paddy field in the ranks weeder |
| CN208662543U (en) * | 2018-07-18 | 2019-03-29 | 苏州西格模具有限公司 | A kind of three three tooth lathe tools |
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| CN110050527A (en) | 2019-07-26 |
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