CN220123395U - Highland barley rotary tillage is broad width fertilization broad width seeding ditcher down - Google Patents
Highland barley rotary tillage is broad width fertilization broad width seeding ditcher down Download PDFInfo
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- CN220123395U CN220123395U CN202321564576.1U CN202321564576U CN220123395U CN 220123395 U CN220123395 U CN 220123395U CN 202321564576 U CN202321564576 U CN 202321564576U CN 220123395 U CN220123395 U CN 220123395U
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- rotary tillage
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- 230000004720 fertilization Effects 0.000 title claims abstract description 26
- 235000007340 Hordeum vulgare Nutrition 0.000 title claims abstract description 20
- 238000003971 tillage Methods 0.000 title claims description 31
- 238000010899 nucleation Methods 0.000 title claims description 21
- 240000005979 Hordeum vulgare Species 0.000 title abstract 2
- 239000003337 fertilizer Substances 0.000 claims abstract description 94
- 239000002689 soil Substances 0.000 claims abstract description 39
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 238000003973 irrigation Methods 0.000 claims description 37
- 230000002262 irrigation Effects 0.000 claims description 36
- 241000209219 Hordeum Species 0.000 claims description 18
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 238000009827 uniform distribution Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 2
- 240000001931 Ludwigia octovalvis Species 0.000 claims 1
- 238000009331 sowing Methods 0.000 abstract description 20
- 241000721671 Ludwigia Species 0.000 abstract description 5
- 238000003825 pressing Methods 0.000 abstract description 2
- 239000000725 suspension Substances 0.000 description 8
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
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- Soil Working Implements (AREA)
Abstract
The utility model discloses a highland barley rotary cultivation lower broad-width fertilization broad-width sowing ditcher which comprises a front frame provided with a gear box and a fertilizer box, wherein the gear box is in transmission connection with a rotary blade roller which is rotatably arranged below the front frame, a plurality of groups of fertilizer conveying components are arranged on the fertilizer box, a cross beam is arranged on the front frame and positioned at the rear side of the rotary blade roller, the fertilizer conveying components comprise fertilizer uniformly-distributed plates arranged below the cross beam, a rear frame which is in floating connection with the front frame is arranged at the rear side of the front frame, a sowing furrow opener is arranged below the rear frame, a seed box is arranged above the rear frame, a plurality of seed conveying components corresponding to the fertilizer conveying components are connected onto the seed box, and an elastic soil covering plate and a pressing roller which are positioned at the rear side of the seed conveying components are sequentially arranged at the rear end of the rear frame from front to the rear. The utility model can realize the correspondence between the fertilizing position and the sowing position, avoid the fertilizer from being applied in the whole cultivation layer and improve the utilization rate of the fertilizer.
Description
Technical Field
The utility model relates to the technical field of agricultural machinery, in particular to a wide-width fertilization and wide-width sowing ditcher for rotary cultivation of highland barley.
Background
The wide sowing operation is a novel grain cultivation technology, the soil-entering wide sowing and the line-aligning compacting technology are combined, and a good effect is achieved when the wide sowing operation is applied to highland barley production. The common fertilization modes used in highland barley sowing include three modes of cultivation layer fertilization, seed side fertilization and seed sowing fertilization. The wide sowing is commonly used for plough layer fertilization due to the large seed band width, but the fertilizer is mixed and applied in the whole plough layer soil during the plough layer fertilization, so that the crop absorption is poor and the fertilizer utilization rate is low.
Disclosure of Invention
The utility model aims at: the utility model provides a highland barley is rotated and is cultivated under broad width fertilization broad width seeding ditcher, can realize that fertilization position corresponds with the seeding position, and fertilizer need not apply in the whole layer of ploughing, improves fertilizer utilization ratio.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a highland barley is rotated and is cultivated wide-width fertilization broad width seeding ditching machine down, includes the preceding frame that is equipped with gear box and fertile case, the gear box transmission is connected and is rotated the rotary tillage knife roll of installing in preceding frame below, be equipped with a plurality of fertilizer subassembly of group on the fertile case, preceding frame is last, be located rotary tillage knife roll rear side is equipped with the crossbeam, fertilizer subassembly is including setting up fertilizer equipartition board below the crossbeam, preceding frame rear side is equipped with the rear frame rather than floating connection, rear frame below is equipped with the seeding furrow opener, and rear frame top is equipped with kind case, be connected with a plurality of and the defeated kind of subassembly that corresponds of defeated kind subassembly on the kind case, rear frame rear end is equipped with elasticity earthing board and the roller that is located defeated kind subassembly rear side in proper order from front to the back.
According to a further improved scheme, the fertilizer conveying assembly comprises a fertilizer distributor arranged on the fertilizer box, a plurality of fertilizer guide pipes corresponding to the fertilizer conveying assembly are adjustably arranged on the cross beam, the fertilizer distributor is connected to the fertilizer guide pipes through the fertilizer conveying pipes, and the fertilizer uniform distribution plates are arranged on discharge holes of the fertilizer guide pipes.
According to a further improved scheme, a plurality of connecting pipes which are in one-to-one correspondence with the fertilizer guiding pipes are vertically arranged on the cross beam, and the fertilizer guiding pipes are connected in the connecting pipes in an up-down sliding mode and are fixed through fasteners.
According to a further improvement scheme, the fertilizer guide pipe comprises a straight pipe section connected with the connecting pipe and an arc pipe section arranged at the lower end of the straight pipe section, wherein the radian of the arc pipe section is matched with that of the rotary tillage knife roll, and a gap is reserved between the arc pipe section and the rotary tillage knife roll.
According to a further development of the utility model, the connecting pipe is connected to the transverse beam in a transversely sliding manner and is fixed by means of a fastening element.
According to a further improved scheme, a soil arrangement carriage is arranged on the front frame and positioned at the rear side of the fertilizer uniform distribution plate, a irrigation and drainage furrow opener is detachably and fixedly connected to the lower end of the soil arrangement carriage, and the irrigation and drainage furrow opener comprises a soil facing section with the width gradually reduced along the furrowing direction.
According to a further improved scheme, a penetrating opening is formed in the soil finishing carriage, clamping grooves are formed in two sides of the penetrating opening, clamping blocks which are clamped with the clamping grooves are arranged at the upper ends of the irrigation and drainage furrow openers, first positioning holes are formed in the walls of the clamping grooves in a penetrating mode, second positioning holes corresponding to the first positioning holes are formed in the clamping blocks in a penetrating mode, and the irrigation and drainage furrow openers are fixed to the soil finishing carriage through pin shafts.
According to the utility model, when the irrigation and drainage furrow opener is positioned above or below the soil finishing carriage, the irrigation and drainage furrow opener can be clamped with the clamping groove through the clamping block, when the irrigation and drainage furrow opener is positioned above the soil finishing carriage, the clamping block on the irrigation and drainage furrow opener faces downwards, and the lower end of the clamping block is provided with the anastomotic placode matched with the penetrating opening.
The seed conveying assembly comprises a plurality of seed metering devices arranged on the seed box, the seed metering devices are connected with seed conveying pipes, the seed conveying pipes are adjustably and fixedly arranged on the rear frame, the seed conveying pipes and the fertilizer guiding pipes are arranged in one-to-one correspondence, and the discharge ports of the seed conveying pipes and the fertilizer guiding pipes are positioned on the same straight line.
In a further development of the utility model, the front frame is provided with a suspension bracket for connecting with a rear suspension device of the tractor.
The utility model has the beneficial effects that:
the utility model integrates the functions of sowing, fertilizing and selective ditching, and can realize the correspondence between the fertilizing position and the sowing position by arranging a plurality of seed delivery assemblies corresponding to the seed delivery assemblies, thereby avoiding the fertilizer from being applied in the whole plough layer and improving the utilization rate of the fertilizer.
According to the utility model, the connecting pipe is arranged, so that the fertilizer guide pipe can be used for adjusting the upper and lower positions in the connecting pipe, and further the fertilization depth can be adjusted up and down.
According to the utility model, the fertilizer guide pipe is provided with the arc pipe section, the radian of the arc pipe section is matched with the radian of the rotary tillage knife roll, and a gap is reserved between the arc pipe section and the rotary tillage knife roll, so that the grass hanging and the soil accumulation of the fertilizer guide pipe can be prevented, and the influence on the backward soil throwing of the rotary tillage knife shaft is reduced.
The rear frame is arranged at the rear side of the front frame and is in floating connection with the front frame, and the sowing depth of the seed conveying assembly arranged on the rear frame is not influenced by the front rotary tillage depth.
According to the utility model, by arranging the fertilizer uniformly-distributed plates, the fertilizer conveyed by the fertilizer guide pipe can be uniformly treated, and the uniformity of fertilizer application is improved.
According to the utility model, the irrigation and drainage furrow opener is arranged, so that an irrigation and drainage furrow can be opened during fertilization, the working efficiency of the machine can be improved, the irrigation and drainage furrow opener is clamped with the carriage and fixed through the pin shaft, the irrigation and drainage furrow opener can be reversely assembled when furrowing is not needed, the disassembly and the assembly are convenient, the normal use of the carriage is not influenced, and the selection is convenient.
Drawings
Fig. 1 is a schematic side view of the structure of the present utility model.
FIG. 2 is a schematic view of the irrigation and drainage furrow opener of the present utility model being mounted on a soil conditioning carriage.
FIG. 3 is a schematic view of the irrigation and drainage furrow opener of the present utility model inverted to a soil conditioning carriage.
Fig. 4 is a right-side view structure schematic diagram of the fertilizer guide pipe of the present utility model.
In the figure, 1-gear box, 2-fertilizer box, 3-front frame, 4-rotary tillage knife roller, 5-cross beam, 6-fertilizer even distribution plate, 7-rear frame, 8-seeding furrow opener, 9-seed box, 10-elastic earthing plate, 11-press roller, 12-fertilizer distributor, 13-fertilizer guiding pipe, 14-fertilizer conveying pipe, 15-connecting pipe, 16-arc pipe section, 17-soil arrangement planker, 18-irrigation and drainage furrow opener, 19-penetrating port, 20-clamping groove, 21-clamping block, 22-pin shaft, 23-anastomosis plate, 24-seed sowing device, 25-seed conveying pipe and 26-hanging frame.
Detailed Description
The utility model is further elucidated below in connection with the drawings and the specific embodiments.
Example 1: referring to fig. 1-4, it can be known that a highland barley is rotationally cultivated and is fertilized and sowed with broad width under wide width, including being equipped with the front frame 3 of gear box 1 and fertile case 2, gear box 1 transmission is connected and is rotated the rotary blade roller 4 of installing in front frame 3 below, be equipped with a plurality of fertilizer subassembly of group on the fertile case 2, on the front frame 3, be located rotary blade roller 4 rear side and be equipped with crossbeam 5, fertilizer subassembly is including setting up fertilizer equipartition board 6 of crossbeam 5 below, front frame 3 rear side is equipped with the back frame 7 rather than floating connection, back frame 7 below is equipped with sowing furrow opener 8, and back frame 7 top is equipped with kind case 9, be connected with a plurality of and the defeated kind subassembly that corresponds of fertilizer subassembly on the kind case 9, back frame 7 rear end is equipped with elasticity earthing board 10 and the suppression roller 11 that are located defeated kind subassembly rear side in proper order from front to the back. The front frame 3 is provided with a suspension bracket 26 for connecting with a rear suspension device of the tractor. Preferably, the seed furrow opener 8 is a disc type wide-width seed furrow opener.
The fertilizer delivery assembly comprises a fertilizer distributor 12 arranged on the fertilizer box 2, a plurality of fertilizer guide pipes 13 corresponding to the fertilizer delivery assembly are adjustably arranged on the cross beam 5, the fertilizer distributor 12 is connected to the fertilizer guide pipes 13 through fertilizer delivery pipes 14, and the fertilizer uniform distribution plates 6 are arranged on discharge holes of the fertilizer guide pipes 13.
The cross beam 5 is vertically provided with a plurality of connecting pipes 15 corresponding to the fertilizer guiding pipes 13 one by one, and the fertilizer guiding pipes 13 are connected in the connecting pipes 15 in an up-down sliding way and are fixed through fasteners.
The fertilizer guide pipe 13 comprises a straight pipe section connected with the connecting pipe 15 and an arc pipe section 16 arranged at the lower end of the straight pipe section, wherein the radian of the arc pipe section 16 is matched with that of the rotary tillage knife roll 4, and a gap is reserved between the arc pipe section and the rotary tillage knife roll 4.
The connecting pipe 15 is transversely and slidably connected to the cross beam 5 and is fixed by a fastener.
The front frame 3 is provided with a soil arrangement carriage 17 positioned at the rear side of the fertilizer uniformly-distributed plate 6, the lower end of the soil arrangement carriage 17 is detachably and fixedly connected with a irrigation and drainage furrow opener 18, and the irrigation and drainage furrow opener 18 comprises a soil facing section with the width gradually reduced along the furrowing direction.
Referring to fig. 2 and 3, it can be seen that (the irrigation and drainage furrow opener 18 is disposed on the back of the soil finishing carriage 17), a through hole 19 is formed in the soil finishing carriage 17, clamping grooves 20 are formed in two sides of the through hole 19, a clamping block 21 clamped with the clamping grooves 20 is arranged at the upper end of the irrigation and drainage furrow opener 18, a first positioning hole is formed in the wall of the clamping groove 20 in a penetrating manner, a second positioning hole corresponding to the first positioning hole is formed in the clamping block 21 in a penetrating manner, and the irrigation and drainage furrow opener 18 is fixed on the soil finishing carriage 17 through a pin shaft 22. The soil working carriage 17 can be moved up and down in height as required. Preferably, the earth facing surface of the irrigation and drainage furrow opener 18 is a cutting edge surface, the width of the edge surface is gradually increased along the furrowing direction, extrusion is enhanced, and the problem that the furrow wall is easy to collapse after furrowing is avoided.
When the irrigation and drainage furrow opener 18 is positioned above or below the soil arrangement carriage 17, the irrigation and drainage furrow opener can be clamped with the clamping groove 20 through the clamping blocks 21, when the irrigation and drainage furrow opener 18 is positioned above the soil arrangement carriage 17, the clamping blocks 21 on the irrigation and drainage furrow opener face downwards, and the lower ends of the clamping blocks 21 are provided with the anastomotic placode 23 matched with the penetrating openings 19. The irrigation and drainage furrow opener 18 can be pulled out and turned over to be installed when not in use, at the moment, the anastomotic placode 23 on the clamping block 21 is positioned in the through hole 19 to seal the irrigation and drainage furrow opener, the lower end face of the anastomotic placode 23 is flush with the lower end face of the soil finishing carriage 17, and the soil finishing carriage 17 can be used continuously conveniently.
The seed delivery assembly comprises a plurality of seed metering devices 24 arranged on the seed box 9, the seed metering devices 24 are connected with seed delivery pipes 25, the seed delivery pipes 25 are adjustably and fixedly arranged on the rear frame 7, the seed delivery pipes 25 and the fertilizer guide pipes 13 are arranged in one-to-one correspondence, and the discharge ports of the seed delivery pipes and the fertilizer guide pipes are positioned on a straight line.
The utility model provides a working principle of a highland barley rotary cultivation wide fertilization wide sowing ditcher, which comprises the following steps: when the rotary tillage machine is used, the machine is connected with a rear suspension device of the tractor through the suspension bracket 26, the rear output power of the tractor is transmitted to the gear box 1, the power is changed in direction and speed through the gear box 1, and the rotary tillage cutter roller 4 is directly driven to rotate to perform soil rotary tillage operation; while the fluffy soil after rotary tillage is leveled by the soil preparation carriage 17, the earth surface is pulled by the irrigation and drainage furrow opener 18 on the soil preparation carriage to form a irrigation and drainage furrow, so that the earth surface can be leveled but soil is not jammed, and a leveled seed bed is formed; meanwhile, a fertilizer discharging part on the front frame 3 is arranged, a direct-current variable speed motor and a GPS or BDS speed measuring seed fertilizer synchronous control system drive a fertilizer distributor 12 to rotate, fertilizer in the fertilizer box 2 is discharged, and the fertilizer is discharged to the rear part of a rotary tillage cutter shaft 4 through a fertilizer conveying pipe 14 and is thrown in and out for covering through the rotary tillage cutter shaft 4 through a fertilizer guide pipe 13 fixed on a rear cross beam of rotary tillage. The rear sowing part is connected with the suspension bracket 1 through a sowing part suspension device 6, and the sowing part position is pressed by a pressing roller 11 to realize the integral profiling of the sowing part; the seeding drive adopts a direct current variable speed motor and a GPS or BDS speed measuring seed fertilizer synchronous control system to drive seed metering, seeds in a seed box 7 are discharged through a seed metering device 8 and are conveyed into a seed groove opened by a disc type wide-width seeding furrow opener 8 through a seed conveying pipe 25, the seeds are scraped and covered by a line-by-line arranged elastic soil covering plate 10, and then are compacted by a line-by-line compacting roller 11, so that the seeding operation is completed.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and are not intended to indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model, and equivalent structures or equivalent flow transformations made using the descriptions of the present utility model and the contents of the drawings, or direct or indirect use in other related technical fields are included in the scope of the present utility model.
Claims (10)
1. The utility model provides a highland barley is rotated and is cultivated broad width fertilization broad width seeding ditcher down which characterized in that: including being equipped with preceding frame (3) of gear box (1) and fertile case (2), gear box (1) transmission connection rotates rotary blade roller (4) of installing in preceding frame (3) below, be equipped with a plurality of group fertilizer assembly on fertile case (2), preceding frame (3) are gone up, be located rotary blade roller (4) rear side and are equipped with crossbeam (5), fertilizer assembly includes fertilizer equipartition board (6) of crossbeam (5) below, preceding frame (3) rear side is equipped with back frame (7) rather than floating connection, back frame (7) below is equipped with seeding furrow opener (8), and back frame (7) top is equipped with kind case (9), be connected with a plurality of and the defeated kind of subassembly that corresponds of defeated kind subassembly on kind case (9), back frame (7) rear end is equipped with elasticity earthing board (10) and press roller (11) that are located defeated kind subassembly rear side in proper order from front to the back.
2. The highland barley rotary tillage lower broad fertilization broad seeding ditcher according to claim 1, which is characterized in that: the fertilizer delivery assembly comprises a fertilizer device (12) arranged on the fertilizer box (2), a plurality of fertilizer guide pipes (13) corresponding to the fertilizer delivery assembly are adjustably arranged on the cross beam (5), the fertilizer device (12) is connected to the fertilizer guide pipes (13) through the fertilizer delivery pipes (14), and the fertilizer uniform distribution plate (6) is arranged on a discharge hole of the fertilizer guide pipes (13).
3. The highland barley rotary tillage lower broad fertilization broad seeding ditcher according to claim 2, which is characterized in that: the cross beam (5) is vertically provided with a plurality of connecting pipes (15) corresponding to the fertilizer guiding pipes (13) one by one, and the fertilizer guiding pipes (13) are connected in the connecting pipes (15) in an up-down sliding mode and fixed through fasteners.
4. The highland barley rotary tillage lower broad fertilization broad seeding ditcher according to claim 3, which is characterized in that: the fertilizer guide pipe (13) comprises a straight pipe section connected with the connecting pipe (15) and an arc pipe section (16) arranged at the lower end of the straight pipe section, wherein the radian of the arc pipe section (16) is matched with the radian of the rotary tillage knife roll (4) and a gap is reserved between the arc pipe section and the rotary tillage knife roll (4).
5. The highland barley rotary tillage lower broad fertilization broad seeding ditcher according to claim 4, which is characterized in that: the connecting pipe (15) is transversely connected to the cross beam (5) in a sliding manner and is fixed through a fastener.
6. The highland barley rotary tillage lower broad fertilization broad seeding ditcher according to claim 1, which is characterized in that: the soil treatment device is characterized in that a soil treatment carriage (17) is arranged on the front frame (3) and positioned at the rear side of the fertilizer uniformly-distributed plate (6), a water irrigation and drainage furrow opener (18) is detachably and fixedly connected to the lower end of the soil treatment carriage (17), and the water irrigation and drainage furrow opener (18) comprises a soil facing section with the width gradually reduced along the furrowing direction.
7. The highland barley rotary tillage lower broad fertilization broad seeding ditcher according to claim 6, which is characterized in that: be equipped with on soil arrangement planker (17) and wear mouth (19), wear mouth (19) both sides to be equipped with draw-in groove (20), irrigation and drainage furrow opener (18) upper end be equipped with fixture block (21) of draw-in groove (20) joint, run through on the wall of draw-in groove (20) and be equipped with first locating hole, run through on fixture block (21) be equipped with the second locating hole that first locating hole corresponds, irrigation and drainage furrow opener (18) are fixed on soil arrangement planker (17) through round pin axle (22).
8. The highland barley rotary tillage lower broad fertilization broad seeding ditcher according to claim 7, which is characterized in that: when the irrigation and drainage furrow opener (18) is positioned above or below the soil arrangement carriage (17), the irrigation and drainage furrow opener can be clamped with the clamping groove (20) through the clamping blocks (21), when the irrigation and drainage furrow opener (18) is positioned above the soil arrangement carriage (17), the clamping blocks (21) on the irrigation and drainage furrow opener are downward, and the lower ends of the clamping blocks (21) are provided with the anastomotic placodes (23) matched with the penetrating openings (19).
9. The highland barley rotary tillage lower broad fertilization broad seeding ditcher according to claim 2, which is characterized in that: the seed conveying assembly comprises a plurality of seed metering devices (24) arranged on a seed box (9), the seed metering devices (24) are connected with seed conveying pipes (25), the seed conveying pipes (25) are adjustable and fixedly arranged on a rear frame (7), the seed conveying pipes (25) and the fertilizer guiding pipes (13) are arranged in a one-to-one correspondence mode, and the discharge holes of the seed conveying pipes and the fertilizer guiding pipes are located on a straight line.
10. The highland barley rotary tillage lower broad fertilization broad seeding ditcher according to claim 1, which is characterized in that: the front frame (3) is provided with a hanging frame (26) for connecting a rear hanging device of the tractor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321564576.1U CN220123395U (en) | 2023-06-19 | 2023-06-19 | Highland barley rotary tillage is broad width fertilization broad width seeding ditcher down |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321564576.1U CN220123395U (en) | 2023-06-19 | 2023-06-19 | Highland barley rotary tillage is broad width fertilization broad width seeding ditcher down |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220123395U true CN220123395U (en) | 2023-12-05 |
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ID=88961655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321564576.1U Active CN220123395U (en) | 2023-06-19 | 2023-06-19 | Highland barley rotary tillage is broad width fertilization broad width seeding ditcher down |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220123395U (en) |
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2023
- 2023-06-19 CN CN202321564576.1U patent/CN220123395U/en active Active
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