CN209731997U - Dry land weeding fertilizer applicator - Google Patents
Dry land weeding fertilizer applicator Download PDFInfo
- Publication number
- CN209731997U CN209731997U CN201920333493.9U CN201920333493U CN209731997U CN 209731997 U CN209731997 U CN 209731997U CN 201920333493 U CN201920333493 U CN 201920333493U CN 209731997 U CN209731997 U CN 209731997U
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- Prior art keywords
- grass
- weeding
- plates
- plate
- fertilizer
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Abstract
The utility model provides a fertilizer distributor pulls out grass in nonirrigated farmland, the design has the tooth of pulling out the grass, be equipped with long tooth on the tooth of pulling out the grass, the tooth of pulling out the grass constitutes the device of pulling out the grass that is driven by a final drive shaft with sealed chain link, the long tooth of the tooth of pulling out the grass of motion inserts in earth, carry weeds to taking off the grass case even after pulling out, afterwards, drop weeds by taking off the grass board and get into the grass storage case, it is equipped with the fertilizer can to take off grass case upper portion, be equipped with three fertilizer spraying pipes on the fertilizer can, the fertilizer spraying pipe then sprinkles to crop pocket portion in the fertilizer of dissolving in water, this machine motor drives, through the walking wheel, the universal wheel promotes: the weeds can be pulled up and collected together with roots, and meanwhile, the crops can be fertilized after weeding.
Description
Technical Field
The utility model belongs to the field of agricultural machinery, specifically belong to intertillage weeding machinery, especially relate to a nonirrigated farmland fertilizer distributor of pulling out weeds.
Background
At present, the weeding of the dry-land crops is basically carried out by adopting herbicides, which is not beneficial to environmental protection; while countries in europe and america begin to adopt the flame weeding method to weed, but a large amount of fuel oil is consumed, which is not beneficial to energy conservation, and the mower can only cut off stems and leaves of grass, can not pull out the grass along with roots, leaves of weeds in soil, and can grow weeds in a short time, which affects the growth of crops.
Disclosure of Invention
In order to overcome the use of herbicide, realize environmental protection and energy saving, and realize the function of root-connecting grass-pulling and fertilizing, the utility model provides a dry land grass-pulling fertilizer applicator, which consists of grass-pulling teeth, sealing chain links, shelves, a main drive shaft, a secondary drive shaft, a motor, a grass-pulling plate, a fixed pipe, a conveying trough, a grass-pulling box, a grass-storing box, a fertilizer-spraying pipe, a battery, a base, traveling wheels, universal wheels and handrails; the weeding teeth comprise weeding plates and stop blocks, each weeding plate comprises two reinforcing iron plates and a toothed large iron plate, the two reinforcing iron plates are parallel to each other, the planes of the two reinforcing iron plates are perpendicular to the toothed large iron plates, the edges of one side of the two reinforcing iron plates are aligned with and fixedly connected with the two edges of the toothed large iron plates close to the outer sides, an opening for allowing a sealing chain to pass through is dug in one edge of the other two edges of the toothed large iron plates, which are not connected with the reinforcing iron plates, the other edge of the other two edges of the toothed large iron plates, which are not connected with the reinforcing iron plates, is provided with a plurality of tooth tips, the tooth roots of the long teeth extend to two thirds of the whole toothed large iron plates from the edge where the tooth tips are located towards the middle direction of the toothed large iron plates, and the distance between the tooth roots of two adjacent long teeth is 5-10 mm; two stop blocks are fixed at the joints of two sides of the two reinforcing iron plates and the toothed large iron plate, each stop block consists of a semi-cylinder and a cuboid, a round hole is formed in the joint of the semi-cylinder and the cuboid by taking the circle center line of the semi-cylinder as the central line, the plane of the combination of the semi-cylinder and the cuboid of each stop block and the plane of the toothed large iron plate are on the same plane, and one of the two surfaces of each stop block, which are perpendicular to the round holes, is flush with the plane of the reinforcing iron plate; the sealing chain link is formed by bending the chain plates outwards and inwards to form bent chain plates with one ends serving as inner chain plates and the other ends serving as outer chain plates, connecting the two bent chain plates at one ends of the inner chain plates symmetrically by using a roller, and covering a sealing cover plate on one vertical surface of the two symmetrical bent chain plates, which is not in contact with the transmission chain wheel; the sealing chain links are connected end to end through shaft pins, the inner diameter of a round hole in the stop block is the same as the inner diameter of a hole penetrating through the shaft pins of the sealing chain links, the weeding teeth are movably connected on the shaft pins connected with the sealing chain links through the round holes and can rotate around the shaft pins, and a plurality of sealing chain links provided with the weeding teeth are connected end to end through the shaft pins to form a complete weeding device; the weeding device is driven by a transmission chain wheel, all weeding tooth working faces connected by a sealing chain link face the periphery of the weeding device, a semicircular arc-shaped baffle strip is arranged in front of a secondary transmission shaft and below the secondary transmission shaft, the outer arc surface of the semicircular arc-shaped baffle strip is in contact with a stop block of the weeding tooth, a cuboid baffle strip is arranged on the inner side of one section of the weeding device, which is used for operation, on the upper part of the weeding device, the cuboid baffle strip is connected with the semicircular arc-shaped baffle strip into a whole, and one rectangular surface of the cuboid baffle strip is in contact with the symmetrical plane of the fixed connection weeding plate of the weeding tooth stop block.
The grass-removing plate is designed into a strip shape with a wedge-shaped cross section formed by fixedly connecting two long arc-shaped plates and a rectangular plate along the length direction of the two long arc-shaped plates, a plurality of openings corresponding to the long teeth of the grass-removing plate are designed from the crossed edges of the two arc-shaped plates towards the direction of the rectangular plate, and the openings arranged on the grass-removing plate must be capable of allowing the long teeth on the grass-removing plate to pass through.
The three groups of conveying grooves are connected through a fixed pipe, the three groups of conveying grooves connected through the fixed pipe are obliquely arranged in front of the machine, a shared main transmission shaft is arranged inside the upper ends of the three groups of conveying grooves, a secondary transmission shaft is arranged inside the lower end of each group of conveying grooves, the three groups of weeding devices are respectively arranged on the main transmission shaft and the secondary transmission shaft, the main transmission shaft, the weeding devices and the secondary transmission shafts are driven by a motor to operate, the lowest end of each group of conveying grooves is designed to be an opening, and the opening at the lowest end of each conveying groove can enable weeding teeth to extend out of the conveying grooves and can be inserted into soil to act on the roots of weeds to pull up the weeds; a common grass removing box is arranged at the uppermost end and close to the rear part of the three groups of conveying grooves, a grass removing plate is respectively arranged in the grass removing box and close to each grass removing device, and long teeth on the grass removing teeth are required to be positioned in an opening of each grass removing plate; thus, weeds on the weeding teeth can fall off through the weeding plate, the grass storage box is installed at the lower part of the grass removal box, and the weeds falling off by the weeding plate fall into the grass storage box under the action of gravity and are collected.
When the machine moves forwards, the motor drives the main transmission shaft to operate, the weeding plate moves to the front and lower positions of the secondary transmission shaft along with the weeding device, the outer arc surface of the semicircular arc-shaped baffle strip is contacted with the baffle block of the weeding teeth, the baffle block of the weeding teeth is acted by the force of the arc-shaped baffle strip, the weeding plate is inserted into soil to pull up weeds with roots, then the baffle block of the weeding teeth is continuously acted by the force of the cuboid baffle strip positioned at the upper and the oblique parts of the weeding device, the weeding plate is vertical to the movement direction of the weeding device, so the pulled weeds are continuously conveyed by the weeding plate, when the weeding plate moves to the position without the baffle strip along with the weeding device, the weeding plate rotates by taking the shaft pin as the center because of no action of the baffle strip on the baffle block, the weeding plate is not vertical to the movement direction of the weeding device, an included angle smaller than 90 degrees is formed, and the weeds pulled out of the weeding plate can smoothly break away from the weeding plate and fall off the baffle plate, fall into the grass storage box, and meanwhile, the grass pulling device is composed of sealing chain links, so that the situation that silt enters a power transmission surface of the grass pulling device is prevented.
The upper part of the grass-removing box is provided with a fertilizer box, three downward fertilizer spraying pipes are arranged on the fertilizer box, the lowest ends of the fertilizer spraying pipes are close to the ground of the dry land, liquid fertilizer dissolved in water is stored in the fertilizer box, and the liquid fertilizer is sprayed to the pockets of the crops in the dry land where the weeds are pulled out through the fertilizer spraying pipes.
The rear end of the upper part of the base of the machine is provided with a battery, the battery provides a power supply for a motor driving a main transmission shaft, a walking wheel is installed at the middle end of the lower part of the base of the machine, a universal wheel is installed at the rear end of the lower part of the base, the walking wheel is matched with the universal wheel to support the weight of the machine and enable the machine to be pushed to walk and realize turning, and handrails are arranged at the rear part of the base and the rear part of the machine.
The utility model has the advantages that: the weeding composition can pull up weeds in dry-land crops with roots, so that the weeds can be removed and collected by the roots, and meanwhile, the weeding composition can realize the function of fertilizing the crops after weeding.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention
FIG. 2 is a front view of the present invention
FIG. 3 is a schematic view of the structure of the weeding teeth
FIG. 4 is a side view of FIG. 3
FIG. 5 is a top view of FIG. 3
FIG. 6 is a schematic view of the structure of a seal link
FIG. 7 is a top view of FIG. 6
FIG. 8 is a schematic view of the grass-removing device
FIG. 9 is a top view of FIG. 8
FIG. 10 is a schematic view of a grass-removing board
FIG. 11 is a top view of FIG. 10
In the figure: 1. the grass-removing machine comprises grass-removing teeth, 2 sealing chain links, 3 baffle bars, 4 main transmission shafts, 5 secondary transmission shafts, 6 motors, 7 grass-removing plates, 8 fixing pipes, 9 conveying grooves, 10 grass-removing boxes, 11 grass-storing boxes, 12 fertilizer boxes, 13 fertilizer spraying pipes, 14 batteries, 15 bases, 16 travelling wheels, 17 universal wheels and 18 handrails.
Detailed Description
The specific implementation process of the utility model is further explained by combining the attached drawings, and the utility model consists of a weeding tooth 1, a sealing chain link 2, a stop strip 3, a main transmission shaft 4, a secondary transmission shaft 5, a motor 6, a grass-removing plate 7, a fixed pipe 8, a conveying trough 9, a grass-removing box 10, a grass storage box 11, a fertilizer box 12, a fertilizer spraying pipe 13, a battery 14, a base 15, a traveling wheel 16, a universal wheel 17 and a handrail 18; the weeding teeth 1 comprise weeding plates and stop blocks, each weeding plate comprises two reinforcing iron plates and a toothed large iron plate, the two reinforcing iron plates are parallel to each other, the planes of the two reinforcing iron plates are perpendicular to the toothed large iron plates, the edges of one side of the two reinforcing iron plates are aligned to and fixedly connected with the two edges of the toothed large iron plates close to the outer sides, an opening for allowing the sealing chain link 2 to pass through is dug in one edge of the other two edges of the toothed large iron plates which are not connected with the reinforcing iron plates, tooth tips of a plurality of long teeth are designed in the other edge of the other two edges of the toothed large iron plates which are not connected with the reinforcing iron plates, tooth roots of the long teeth extend to two thirds of the whole toothed large iron plates from the edge where the tooth tips are located towards the middle direction of the toothed large iron plates, and the distance between the tooth roots of two adjacent long teeth is 5-10 mm; two stop blocks are fixed at the joints of two sides of the two reinforcing iron plates and the toothed large iron plate, each stop block consists of a semi-cylinder and a cuboid, a round hole is formed in the joint of the semi-cylinder and the cuboid by taking the circle center line of the semi-cylinder as the central line, the plane of the combination of the semi-cylinder and the cuboid of each stop block and the plane of the toothed large iron plate are on the same plane, and one of the two surfaces of each stop block, which are perpendicular to the round holes, is flush with the plane of the reinforcing iron plate; the sealing chain link 2 is formed by bending the chain plates outwards and inwards to form a bent chain plate with one end serving as an inner chain plate and the other end serving as an outer chain plate, connecting the two bent chain plates at one end of the inner chain plate symmetrically by using a roller, and covering a sealing cover plate on one vertical surface of the two symmetrical bent chain plates, which is not in contact with the transmission chain wheel, so as to form the sealing chain link 2; the sealing chain links 2 are connected end to end through shaft pins, the inner diameter of a round hole in the stop block is the same as that of a hole penetrating through the shaft pins of the sealing chain links 2, the weeding teeth 1 are movably connected on the shaft pins connected with the sealing chain links 2 through the round holes, the weeding teeth 1 can rotate around the shaft pins, and the sealing chain links 2 provided with the weeding teeth 1 are connected end to end through the shaft pins to form a complete weeding device; the weeding device is driven by a transmission chain wheel, all working faces of all weeding teeth 1 connected by a sealing chain link 2 face towards the periphery of the weeding device, before a secondary transmission shaft 5, a semicircular arc-shaped baffle strip 3 is arranged at the lower position, the outer arc surface of the semicircular arc-shaped baffle strip 3 is contacted with the stop block of the weeding teeth 1, the upper part of the weeding device is inclined and is used for the inner side of one section of operation to be provided with a cuboid baffle strip, the cuboid baffle strip is connected with the semicircular arc-shaped baffle strip 3 into a whole, one rectangular surface of the cuboid baffle strip is contacted with the symmetrical plane of the fixed connection weeding plate of the weeding teeth 1 stop block.
The grass-removing plate 7 is designed into a strip shape with a cross section formed by fixedly connecting two long arc plates and a rectangular plate along the length direction of the strip shape, a plurality of openings corresponding to long teeth of the grass-removing plate are designed from the crossed edges of the two arc plates towards the direction of the rectangular plate, and therefore the openings formed in the grass-removing plate 7 can pass through the long teeth on the grass-removing plate.
The three groups of conveying troughs 9 are connected through a fixed pipe 8, the three groups of conveying troughs 9 connected by the fixed pipe 8 are obliquely arranged in front of the machine, a common main transmission shaft 4 is arranged inside the upper ends of the three groups of conveying troughs 9, a secondary transmission shaft 5 is arranged inside the lower end of each group of conveying troughs 9, three groups of weeding devices are respectively arranged on the main transmission shaft 4 and the secondary transmission shaft 5, the motor 6 drives the main transmission shaft 4, the weeding devices and the secondary transmission shaft 5 to operate, the lowest end of each group of conveying troughs 9 is designed to be an opening, and the opening at the lowest end of each conveying trough 9 can enable the weeding teeth 1 to extend out of the conveying troughs 9 and enable the weeding teeth 1 to be inserted into soil to act on the roots of weeds to uproot the weeds; the topmost end of the three groups of conveying grooves 9 is provided with a shared weed removing box 10 close to the rear part, a weed removing plate 7 is respectively arranged in the weed removing box 10 and close to each set of weed removing device, and long teeth on the weed removing teeth 1 are required to be positioned in an opening of each weed removing plate 7, so that weeds pulled up by continuous roots on the weed removing teeth 1 can fall off the weeds through the weed removing plates 7, the lower part of the weed removing box 10 is provided with a weed storage box 11, and the weeds fallen off by the weed removing plates 7 fall into the weed storage box 11 under the action of gravity and are collected.
When the machine moves forwards, the motor 14 drives the main transmission shaft 4 to operate, the weeding plate moves to the front and lower positions of the secondary transmission shaft 5 along with the weeding device, the outer arc surface of the semicircular arc-shaped baffle strip 3 is contacted with the baffle block of the weeding tooth 1, the baffle block of the weeding tooth 1 is acted by the force of the arc-shaped baffle strip 3, the weeding plate is inserted into soil to pull up weeds, then the baffle block of the weeding tooth 1 is continuously acted by the force of the cuboid baffle strip positioned at the inclined part and the upper part of the weeding device, the weeding plate is vertical to the movement direction of the weeding device, the pulled-up weeds are continuously conveyed by the weeding plate, when the weeding plate moves to the position without the baffle strip along with the weeding device, the weeding plate rotates by taking the shaft pin as the center because the baffle strip does not act on the baffle block, the weeding plate is not vertical to the movement direction of the weeding device to form an included angle smaller than 90 degrees, at the time, the weeds pulled up by the weeding plate can be separated from the weeding plate and can be pulled off the weeding plate 7, fall into the grass storage box 11 and simultaneously prevent the sediment from entering the power transmission surface of the grass pulling device because the grass pulling device is composed of the sealing chain links 2.
A fertilizer box 12 is arranged at the upper part of the grass-removing box 10, three downward fertilizer spraying pipes 13 are arranged on the fertilizer box 12, the lowest ends of the fertilizer spraying pipes 13 are close to the ground of the dry land, liquid fertilizer dissolved in water is stored in the fertilizer box 12, and the liquid fertilizer is sprayed to the pockets of the crops in the dry land where the weeds are pulled out through the fertilizer spraying pipes 13.
The rear end of the upper part of a base 15 of the machine is provided with a battery 14, the battery 14 provides power for a motor 6 driving a main transmission shaft 4, a walking wheel 16 is installed at the middle end of the lower part of the base 15 of the machine, a universal wheel 17 is installed at the rear end of the lower part of the base 15, the walking wheel 16 and the universal wheel 17 are matched to support the weight of the machine and enable the machine to be pushed to walk and realize turning, a handrail 18 is designed at the rear part of the base 15 and the rear part of the machine, and the machine is operated through the handrail 18.
The embodiment described in the present invention is only right the description that one of them mode of the embodiment of the present invention goes on, it is not right the utility model discloses design and scope are injectd, do not deviate from the utility model discloses under the prerequisite of design, the engineering technical staff is right in the art various deformation and improvement that technical scheme made all belong to the utility model discloses a right protection scope.
Claims (3)
1. The utility model provides a fertilizer distributor of weeding in nonirrigated farmland, by pulling out the grass tooth, sealed chain link, shelves strip, final drive shaft, secondary drive shaft, motor, take off grass board, fixed pipe, conveyer trough, take off the grass case, store up grass case, can of fertilizer, spout fertile pipe, battery, base, walking wheel, universal wheel, handrail and constitute characterized by: the weeding teeth comprise weeding plates and stop blocks, the weeding plates comprise two reinforcing iron plates and a toothed large iron plate, the two reinforcing iron plates are parallel to each other, the planes of the two reinforcing iron plates are perpendicular to the toothed large iron plate, the edge of one side of the two reinforcing iron plates is aligned with and fixedly connected with the two edges of the toothed large iron plate close to the outer side, one edge of the toothed large iron plate, which is not connected with the other two edges of the toothed large iron plate, is dug with an opening for a sealing chain to pass through, the other edge of the toothed large iron plate, which is not connected with the other two edges of the reinforcing iron plates, is provided with a plurality of tooth tips, the tooth roots of the long teeth extend to two thirds of the whole toothed large iron plate from the edge where the tooth tips are located towards the middle direction of the toothed large iron plate, the distance between the tooth roots of two adjacent long teeth is 5-10 mm, the two stop blocks are fixed at the joints of the two sides of the two reinforcing iron plates and the toothed large, the baffle block consists of a semi-cylinder and a cuboid, a round hole is arranged at the joint of the semi-cylinder and the cuboid by taking the circle center line of the semi-cylinder as the central line, the plane of the combination of the semi-cylinder and the cuboid of the baffle block and the plane of the toothed large iron plate are on the same plane, and one of the two surfaces of the baffle block, which are vertical to the round hole, is flush with the plane of the reinforcing iron plate; the sealing chain links are formed by bending the chain plates outwards and then inwards to form the bending chain plates with one ends serving as the inner chain plates and the other ends serving as the outer chain plates, the two bending chain plates are symmetrically connected at one ends of the inner chain plates by using a roller, a sealing cover plate covers one vertical surface of the two symmetrical bending chain plates, which is not contacted with the transmission chain wheel, to form the sealing chain links, the sealing chain links are connected end to end through shaft pins, the inner diameter of a circular hole on a baffle block is the same as the inner diameter of the hole penetrating the shaft pin of the sealing chain links, the weeding teeth are movably connected on the shaft pins connected with the sealing chain links through the circular holes and can rotate around the shaft pins, and a plurality of sealing chain links provided with the weeding teeth are connected end to end through the shaft pins to; the weeding device is driven by a transmission chain wheel, all the working surfaces of the weeding teeth connected with the sealing chain links face the periphery of the weeding device, a semicircular arc-shaped baffle strip is arranged in the front and lower position of the secondary transmission shaft, the outer arc surface of the semicircular arc-shaped baffle strip is contacted with the baffle block of the weeding teeth, a cuboid baffle strip is arranged on the inner side of one section of the weeding device for operation at the inclined part and the upper part, the cuboid baffle strip and the semicircular arc-shaped baffle strip are connected into a whole, and one of the cuboid surfaces of the cuboid baffle strip is contacted with the symmetrical plane of the weeding plate fixedly connected with the baffle block of the weeding teeth; the grass removing plate is designed into a strip with a wedge-shaped section, which is formed by fixedly connecting two long arc-shaped plates and a rectangular plate along the length direction of the long arc-shaped plates, a plurality of openings corresponding to the long teeth of the grass removing plate are designed from the crossed edges of the two arc-shaped plates towards the direction of the rectangular plate, and the openings arranged on the grass removing plate must allow the long teeth on the grass removing plate to pass through; the three groups of conveying grooves are connected through a fixed pipe, the three groups of conveying grooves connected through the fixed pipe are obliquely arranged in front of the machine, a shared main transmission shaft is arranged inside the upper ends of the three groups of conveying grooves, a secondary transmission shaft is arranged inside the lower end of each group of conveying grooves respectively, the three groups of weeding devices are arranged on the main transmission shaft and the secondary transmission shaft respectively, the main transmission shaft, the weeding devices and the secondary transmission shafts are driven by a motor to operate, the lowest end of each group of conveying grooves is designed to be an opening, and the opening at the lowest end of each conveying groove can enable weeding teeth to extend out of the conveying grooves and can be inserted into soil to act on the roots of weeds; the topmost end of the three groups of conveying grooves is provided with a shared grass-removing box close to the rear part, a grass-removing plate is respectively arranged in the grass-removing box and close to each set of grass-removing device, long teeth on the grass-removing teeth are positioned in openings of each grass-removing plate, and a grass storage box is arranged at the lower part of the grass-removing box.
2. The dry land weeding and fertilizing machine according to claim 1, characterized in that: the upper part of the grass-removing box is provided with a fertilizer box, three downward fertilizer spraying pipes are arranged on the fertilizer box, the lowest ends of the fertilizer spraying pipes are close to the ground of the dry land, liquid fertilizer dissolved in water is stored in the fertilizer box, and the liquid fertilizer is sprayed to the pockets of the crops in the dry land where the weeds are pulled out through the fertilizer spraying pipes.
3. The dry land weeding and fertilizing machine according to claim 1, characterized in that: the rear end of the upper part of the base of the machine is provided with a battery, the middle end of the lower part of the base of the machine is provided with a walking wheel, the rear end of the lower part of the base is provided with a universal wheel, and the rear part of the base and the rear part of the machine are provided with handrails.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920333493.9U CN209731997U (en) | 2019-03-16 | 2019-03-16 | Dry land weeding fertilizer applicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920333493.9U CN209731997U (en) | 2019-03-16 | 2019-03-16 | Dry land weeding fertilizer applicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209731997U true CN209731997U (en) | 2019-12-06 |
Family
ID=68717157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920333493.9U Expired - Fee Related CN209731997U (en) | 2019-03-16 | 2019-03-16 | Dry land weeding fertilizer applicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209731997U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109845466A (en) * | 2019-03-16 | 2019-06-07 | 江西悦丰农业科技有限公司 | A kind of nonirrigated farmland uprooting weed fertilizer applicator |
-
2019
- 2019-03-16 CN CN201920333493.9U patent/CN209731997U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109845466A (en) * | 2019-03-16 | 2019-06-07 | 江西悦丰农业科技有限公司 | A kind of nonirrigated farmland uprooting weed fertilizer applicator |
| CN109845466B (en) * | 2019-03-16 | 2024-07-02 | 江西悦丰农业科技有限公司 | Dry land weeding fertilizer distributor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191206 Termination date: 20210316 |
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| CF01 | Termination of patent right due to non-payment of annual fee |