CN113875337B - Agricultural fertilization rotary tillage all-in-one - Google Patents
Agricultural fertilization rotary tillage all-in-one Download PDFInfo
- Publication number
- CN113875337B CN113875337B CN202111185876.4A CN202111185876A CN113875337B CN 113875337 B CN113875337 B CN 113875337B CN 202111185876 A CN202111185876 A CN 202111185876A CN 113875337 B CN113875337 B CN 113875337B
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- rotary
- rotary tillage
- rod
- transmission shaft
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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
- A01B49/00—Combined machines
- A01B49/04—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools
- A01B49/06—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools for sowing or fertilising
- A01B49/065—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools for sowing or fertilising the soil-working tools being 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
- A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
- A01B33/02—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs with tools on horizontal shaft transverse to direction of travel
- A01B33/021—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs with tools on horizontal shaft transverse to direction of travel with rigid tools
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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
- A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
- A01B33/08—Tools; Details, e.g. adaptations of transmissions or gearings
- A01B33/12—Arrangement of the tools; Screening of the tools
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C15/00—Fertiliser distributors
- A01C15/12—Fertiliser distributors with movable parts of the receptacle
- A01C15/122—Fertiliser distributors with movable parts of the receptacle with moving floor parts
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Working Implements (AREA)
Abstract
The invention discloses an agricultural fertilizing and rotary tillage all-in-one machine, which comprises a rotary cultivator body, wherein the rotary cultivator body is respectively provided with: the knife roller assembly comprises a transmission shaft rod piece, a first rotary tillage knife tackle which is fixedly arranged on the transmission shaft rod piece and distributed in a linear array and a second rotary tillage knife tackle which is rotatably arranged on the transmission shaft rod piece and distributed in a linear array, wherein the transmission shaft rod piece is driven to drive so that the rotation directions of the first rotary tillage knife tackle and the second rotary tillage knife tackle are mutually reversed; a fertilizer box. According to the agricultural fertilizing and rotary tillage all-in-one machine, the transmission shaft rod piece is provided with the first rotary tillage cutter set and the second rotary tillage cutter set, the two cutter sets are opposite to each other in the rotating direction of the transmission shaft rod piece, the first rotary tillage cutter set is responsible for rotary tillage, and the second rotary tillage cutter set is used for smashing bumps after rotary tillage, so that the fine degree of rotary tillage is improved, and the technical purpose of loosening soil after rotary tillage is guaranteed.
Description
Technical Field
The invention relates to rotary cultivator equipment, in particular to an agricultural fertilizing and rotary cultivating integrated machine.
Background
The rotary cultivator belongs to one kind of agricultural machinery, and it cooperates the use through utilizing cooperation agricultural machinery (tractor), carries out the rotary tillage operation through its lifting of lifting system and the actuating system operation control of agricultural machinery and put down earth to earth that will harden is spilled so that carry out subsequent agricultural cultivation.
According to patent No. CN201911353662.6, publication (public) day: 2021-06-18, discloses a novel all-in-one machine for cultivation and fertilization, which comprises a frame, wherein a land wheel, a fertilizer applicator, a rotary cultivator, a grooving block, a sowing mechanism, a soil covering plate, a soil compacting mechanism and a ditching mechanism are sequentially arranged outside the frame from right to left. Wherein, sowing mechanism includes the seed metering case, the seed metering case is located the top of frame, and the top of seed metering case is connected with seed case, one side bottom of seed metering case is connected with the unloading pipe, the one end of unloading pipe extends to the bottom of frame, and the unloading pipe is located between earthing plate and the fluting piece, the internally mounted of seed metering case has out the mechanism, and the front surface mounting of seed metering case has drive mechanism. The seed with different varieties is sent into and is accomplished the seeding step to the unloading pipe to make the device can realize a tractor serves several purposes, greatly reduced the cost of crops seeding, through the firm and earthy mechanism that sets up, during the use, rotatable regulation pole makes spacing pipe remove along fixed pipe, and then can change the distance between press wheel and the ground, so that make the press wheel can carry out the suppression to loosening the soil of different thickness.
The knife roll on the existing rotary cultivator is basically in unidirectional rotation, a plurality of knife heads are driven to carry out rotary tillage, the knife heads rotate at a high speed to carry out rotary tillage on the soil, and a larger bump still exists after the rotary tillage.
Disclosure of Invention
The invention aims to provide an agricultural fertilizing and rotary tillage all-in-one machine, which improves the refinement degree of rotary tillage to ensure the loosening of soil after rotary tillage.
In order to achieve the above purpose, the invention provides the following technical scheme: the utility model provides an agricultural fertilization rotary tillage all-in-one, includes the rotary cultivator body, be provided with on the rotary cultivator body respectively:
the knife roller assembly comprises a transmission shaft rod piece, a first rotary tillage knife tackle which is fixedly arranged on the transmission shaft rod piece and distributed in a linear array and a second rotary tillage knife tackle which is rotatably arranged on the transmission shaft rod piece and distributed in a linear array, wherein the transmission shaft rod piece is driven to drive so that the rotation directions of the first rotary tillage knife tackle and the second rotary tillage knife tackle are mutually reversed;
the fertilizer box comprises feeding pipes distributed in a linear array and a plugging assembly driven to swing so as to plug or release the feeding pipes.
Preferably, the plugging assembly comprises shifting rods distributed in a linear array and arranged in a rotating manner and a touch rod used for connecting the shifting rods, and the touch rod is in sliding fit on a rotating path of the first rotary tillage cutter set and enables the shifting rods to swing to release the port of the discharging pipe.
Preferably, the plugging assembly further comprises a reset piece, and the reset piece is used for driving the shift lever to reset so as to plug the port of the blanking pipe.
Preferably, the touch rod is rotatably provided with a hard rubber roller shaft which is used for being rotated and slid by the first rotary blade group.
Preferably, the transmission shaft rod piece comprises a sleeve rod and a shaft core rod, the shaft core rod is rotatably arranged in the sleeve rod, a boring hole is formed in the sleeve rod, a transmission gear is arranged in the boring hole, the sleeve rod and the shaft core rod are driven to synchronously rotate, and the transmission gear is driven by the shaft core rod to drive the second rotary tillage cutter group to rotate in the opposite direction;
the plurality of second rotary tillage cutter groups are rotatably arranged on the loop bar, and the plurality of first rotary tillage cutter groups are fixedly arranged on the loop bar.
Preferably, the second rotary tillage cutter set comprises a rotary disk, an inner fluted disc meshed with the transmission gear is arranged on the inner wall of the rotary disk, and the inner fluted disc and the transmission gear rotate in the same direction.
Preferably, the rotary cultivator body comprises a transmission mechanism, the transmission mechanism comprises a transmission shaft and driving gears symmetrically arranged on the transmission shaft, and driven gears meshed with the driving gears are arranged on the loop bar and the shaft core bar on the transmission shaft bar.
Preferably, the first rotary blade group includes a plurality of first blades which are divisible into a vertical portion and a first horizontal portion according to structure;
the second rotary blade group includes a plurality of second blades, the second blade includes connecting portion and follows the second horizontal part that connecting portion one end both sides extended, the second horizontal part sets up for the slope, and it includes a high point and a low point, the high point is cutting edge portion, cutting edge portion is close to the lateral wall of first horizontal part to reject glue in earth on the lateral wall of first horizontal part.
In the technical scheme, the agricultural fertilizing and rotary tillage all-in-one machine provided by the invention has the following beneficial effects: the transmission shaft member divides on the above-mentioned scheme and has set up first rotary blade group and second rotary blade group, and two knife groups are reciprocal at transmission shaft member direction of rotation, and first rotary blade group is responsible for carrying out the rotary tillage, and second rotary blade group is then smashing the lug after the rotary tillage with this realization improvement rotary tillage's the degree of becoming more meticulous to guarantee the loose technical purpose in soil after the rotary tillage. Further, among the above-mentioned technical scheme, the transfer of fertilizer carries out intermittent type nature through the shutoff subassembly and discharges to satisfy the fertilization demand.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic overall structure diagram provided in an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a knife roller assembly and a blocking assembly provided by an embodiment of the invention;
FIG. 3 is a schematic structural diagram of a knife roller assembly provided by an embodiment of the invention;
FIG. 4 is a schematic structural diagram of a transmission mechanism according to an embodiment of the present invention;
FIG. 5 is a schematic view of a coupling structure of a loop bar and a shaft core bar provided by an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a fertilizer box and a plugging assembly provided by the embodiment of the invention.
Description of the reference numerals:
1. a rotary cultivator body; 11. a frame; 12. a power transmission mechanism; 13. a traveling wheel assembly; 2. a knife roll assembly; 3. a fertilizer box; 4. a driving shaft rod member; 41. a loop bar; 42. a shaft core bar; 43. a transmission gear; 5. a first rotary blade group; 51. a first blade; 511. a vertical portion; 512. a first horizontal portion; 52. a mounting base; 6. a second rotary blade group; 61. a second blade; 611. a connecting portion; 612. a second horizontal portion; 62. rotating the disc; 621. an inner fluted disc; 7. a discharging pipe; 8. a plugging component; 81. a deflector rod; 82. a touch lever; 821. a hard rubber roll shaft; 83. a reset member; 84. a rubber plugging block; 9. a transmission mechanism; 91. a drive shaft; 92. a drive gear; 93. a driven gear.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1-5, an agricultural fertilization rotary tillage all-in-one machine comprises a rotary cultivator body 1, wherein the rotary cultivator body 1 is respectively provided with:
the knife roller assembly 2 comprises a transmission shaft rod piece 4, a first rotary tillage knife group 5 which is fixedly arranged on the transmission shaft rod piece 4 and distributed in a linear array manner, and a second rotary tillage knife group 6 which is rotatably arranged on the transmission shaft rod piece 4 and distributed in a linear array manner, wherein the transmission shaft rod piece 4 is driven to drive so that the rotating directions of the first rotary tillage knife group 5 and the second rotary tillage knife group 6 are opposite;
the fertilizer box 3 comprises a plurality of blanking pipes 7 distributed in a linear array and a blocking assembly 8 driven to swing to block or release the blanking pipes 7.
Specifically, in the above embodiment, the rotary cultivator body 1 includes a frame 11, a road wheel assembly 13 mounted on the frame 11, and a power transmission mechanism 12 mounted on the frame 11, in the specific implementation process. The frame 11 is installed on the traction part of the agricultural machinery, and then the power on the agricultural machinery can be connected to the power transmission mechanism 12 (details are not described in the prior art) so as to transmit the power to the transmission mechanism 9 on the frame 11, thereby realizing that the rotation direction of the driving transmission shaft rod member 4 is mutually reversed to drive the first rotary tillage cutter group 5 and the second rotary tillage cutter group 6, and further carrying out rotary tillage operation on the soil.
Furthermore, in the above embodiment, the fertilizer box 3 is mounted on the frame 11, and the feeding pipe 7 extends into the frame 11 and extends to a position close to the transmission shaft rod 4 mounted in the frame 11. More further, in the above embodiment, the plugging assembly 8 is driven to control the blanking pipe 7 to perform blanking, and the plugging assembly 8 may be a cover plate driven to turn over by a cylinder, so that the cover plate is driven to turn over to plug or open the pipe orifice of the blanking pipe 7 or the motor drives the rotating rod to rotate, and the rotating rod is provided with a sealing cover, thereby the cover plate is driven to turn over by the rotating rod to plug or open the pipe orifice of the blanking pipe 7 and the like, so as to realize a structure with similar functions.
Furthermore, in the above scheme, the transmission shaft rod member 4 is provided with the first rotary tillage cutter group 5 and the second rotary tillage cutter group 6, the two cutter groups are opposite in the rotation direction of the transmission shaft rod member 4, the first rotary tillage cutter group 5 is responsible for rotary tillage, and the second rotary tillage cutter group 6 is used for smashing bumps after rotary tillage so as to improve the refinement degree of rotary tillage and ensure the technical purpose of loosening soil after rotary tillage. Further, among the above-mentioned technical scheme, the transfer of fertilizer carries out intermittent type nature through shutoff subassembly 8 and discharges to satisfy the fertilization demand.
As a further technical solution provided by the present invention, the plugging component 8 includes shift levers 81 distributed in a linear array and rotatably disposed, and a touch lever 82 for connecting the shift levers 81, wherein the touch lever 82 is in sliding fit on a rotation path of the first rotary blade set 5, and the shift levers 81 are made to swing to release the port of the discharging pipe 7. Specifically, fixed mounting has the axostylus axostyle on frame 11, and driving lever 81 then rotates and installs on the axostylus axostyle, and uses the installation department to extend the body of rod to both sides as the centre of a circle, and one side carries out the parallel connection through touching pole 82, and the opposite side has then installed rubber block 84, and when it received the swing, rubber block 84 then can shutoff unloading pipe 7 port, perhaps receives rotatory first rotary blade group 5 negative pressure when touching pole 82 for driving lever 81 sticks up, and rubber block 84 breaks away from unloading pipe 7 port promptly.
Further, in the above embodiment, the plugging assembly 8 further includes a reset member 83, and the reset member 83 is used for driving the shift lever 81 to reset to plug the port of the blanking pipe 7. The reset member 83 is a tension spring, and the tension spring is used to pull the portion of the shift lever 81 on which the rubber blocking block 84 is mounted, so that when the touch lever 82 is not stressed, the end of the blanking pipe 7 is pulled to block, thereby achieving the purpose of controlling intermittent blanking.
Further, in the above embodiment, as a preferred embodiment provided by the present invention, the touch lever 82 is rotatably provided with a hard rubber roller shaft 821 for being rotatably slid by the first rotary blade group 5. When the first rotary blade set 5 rotates, the blade of the first rotary blade set is tangent to the hard rubber roller shaft 821 on the rotating path, so as to achieve the purpose of pushing, and the shifting lever 81 is tilted, that is, the rubber blocking block 84 is separated from the port of the feeding pipe 7 (shown in fig. 6).
As the preferred embodiment provided by the present invention, the transmission shaft rod 4 comprises a sleeve rod 41 and a shaft core rod 42, the shaft core rod 42 is rotatably disposed in the sleeve rod 41, a bore hole is formed on the sleeve rod 41, a transmission gear 43 is disposed in the bore hole, the sleeve rod 41 and the shaft core rod 42 are driven to rotate synchronously, and the transmission gear 43 is driven by the shaft core rod 42 to drive the second rotary tillage cutter group 6 to rotate in the opposite direction; the plurality of second rotary blade sets 6 are rotatably provided on the sleeve rod 41, and the plurality of first rotary blade sets 5 are fixedly mounted on the sleeve rod 41. Furthermore, the second rotary blade group 6 comprises a rotary disk 62, the inner wall of the rotary disk 62 is provided with an inner toothed disk 621 meshed with the transmission gear 43, and the inner toothed disk 621 and the transmission gear 43 rotate in the same direction. Specifically, in the above embodiment, the driven gear 93 is installed at one end of each of the loop bar 41 and the shaft core bar 42, and the transmission mechanism 9 in the embodiment includes the transmission shaft 91 and the driving gear 92 symmetrically disposed on the transmission shaft 91, when the power on the agricultural machinery is connected to the power transmission mechanism 12 (details are not described in the prior art) so as to transmit the power to the transmission mechanism 9 on the frame 11, the transmission shaft 91 drives the loop bar 41 and the shaft core bar 42 to rotate in the same direction through gear transmission (a certain rotation speed difference exists between the loop bar 41 and the shaft core bar 42, details are not disclosed). Further, since the rotating disc 62 is rotatably mounted on the sleeve rod 41, when the spindle rod 42 rotates, the transmission gear 43 is driven to rotate, at this time, the rotation direction of the spindle rod 42 is opposite to that of the transmission gear 43, the transmission gear 43 is engaged with the tooth opening on the upper side wall of the internal toothed disc 621, and at this time, the internal toothed disc 621 and the transmission gear 43 are in the same direction, so that the technical purpose of the present invention, that is, the rotation direction of the first rotary blade set 5 is opposite to that of the second rotary blade set 6, is achieved.
Further, as a further technical solution of the present invention, the first rotary blade set 5 includes a plurality of first blades 51 and a mounting seat 52, and the first blades 51 are divided into a vertical portion 511 and a first horizontal portion 512 according to the structure. Specifically, a minimum of three first blades 51 are mounted on the mounting block 52. The second rotary blade group 6 includes a plurality of second blades 61, and specifically, a minimum of three first blades 51 are mounted on the rotary disk 62. Specifically, the second blade 61 includes a connecting portion 611 and a second horizontal portion 612 extending along two sides of one end of the connecting portion 611, the second horizontal portion 612 is disposed in an inclined manner and includes a high point and a low point, the high point is a blade portion, and the blade portion is close to the side wall of the first horizontal portion 512 so as to remove the soil adhered to the side wall of the first horizontal portion 512. In the process of the specific embodiment, the first blade 51 performs primary rotary tillage and crushing on the soil, the bump subjected to rotary tillage and crushing by the first blade 51 is then reversely twisted by the second blade 61 to perform secondary crushing, and when the second horizontal portion 612 is overlapped with the first horizontal portion 512, the soil block adhered to the inner side of the first horizontal portion 512 can be removed, so that the first crushing effect of the first horizontal portion 512 is ensured.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (7)
1. The utility model provides an agricultural fertilization rotary tillage all-in-one, includes rotary cultivator body (1), its characterized in that, be provided with on rotary cultivator body (1) respectively:
the knife roller assembly (2) comprises a transmission shaft rod piece (4), a first rotary tillage knife tackle (5) which is fixedly arranged on the transmission shaft rod piece (4) and distributed in a linear array and a second rotary tillage knife tackle (6) which is rotatably arranged on the transmission shaft rod piece (4) and distributed in a linear array, wherein the transmission shaft rod piece (4) is driven to drive the first rotary tillage knife tackle (5) and the second rotary tillage knife tackle (6) to rotate in opposite directions;
the fertilizer box (3) comprises feeding pipes (7) distributed in a linear array and a blocking assembly (8) driven to swing to block or release the feeding pipes (7);
the first rotary blade group (5) comprises a plurality of first blades (51), and the first blades (51) can be divided into a vertical part (511) and a first horizontal part (512) according to the structure;
second rotary blade group (6) include a plurality of second blade (61), second blade (61) include connecting portion (611) and follow second horizontal part (612) that connecting portion (611) one end both sides extended, second horizontal part (612) are the slope setting, and it includes a high point and a low point, the high point is cutting edge portion, cutting edge portion is close to the lateral wall of first horizontal part (512) to reject glue in earth on the lateral wall of first horizontal part (512).
2. An agricultural fertilizing and rotary tillage all-in-one machine as claimed in claim 1, wherein the blocking assembly (8) comprises a plurality of rods (81) which are distributed in a linear array and are rotatably arranged, and a touch rod (82) for connecting the plurality of rods (81), wherein the touch rod (82) is in sliding fit on a rotating path of the first rotary tillage cutter set (5) and enables the rods (81) to swing to release the port of the blanking pipe (7).
3. An agricultural fertilizing and rotary tillage all-in-one machine as claimed in claim 2, wherein the plugging assembly (8) further comprises a resetting member (83), and the resetting member (83) is used for driving the shifting rod (81) to reset so as to plug the port of the blanking pipe (7).
4. An agricultural fertilizing and rotary cultivating integrated machine as claimed in claim 2, characterized in that the touch rod (82) is rotatably provided with a hard rubber roller shaft (821) which is used for being rotated and slid by the first rotary cultivating blade group (5).
5. The agricultural fertilization and rotary tillage all-in-one machine as claimed in claim 1, wherein the transmission shaft rod member (4) comprises a sleeve rod (41) and a shaft core rod (42), the shaft core rod (42) is rotatably arranged in the sleeve rod (41), a boring hole is formed in the sleeve rod (41), a transmission gear (43) is arranged in the boring hole, the sleeve rod (41) and the shaft core rod (42) are driven to synchronously rotate, and the transmission gear (43) is driven by the shaft core rod (42) to drive the second rotary tillage cutter group (6) to rotate in the opposite direction;
the second rotary blade sets (6) are rotatably arranged on the sleeve rod (41), and the first rotary blade sets (5) are fixedly arranged on the sleeve rod (41).
6. An agricultural fertilizing and rotary cultivating integrated machine as claimed in claim 5, characterized in that the second rotary cultivating blade set (6) comprises a rotary disc (62), an inner toothed disc (621) meshed with the transmission gear (43) is arranged on the inner wall of the rotary disc (62), and the inner toothed disc (621) and the transmission gear (43) rotate in the same direction.
7. The agricultural fertilizing and rotary tillage all-in-one machine as claimed in claim 5, wherein the rotary cultivator body (1) comprises a transmission mechanism (9), the transmission mechanism (9) comprises a transmission shaft (91) and a driving gear (92) symmetrically arranged on the transmission shaft (91), and a driven gear (93) meshed with the driving gear (92) is arranged on each of a loop bar (41) and a shaft core bar (42) on each transmission shaft bar (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111185876.4A CN113875337B (en) | 2021-10-12 | 2021-10-12 | Agricultural fertilization rotary tillage all-in-one |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111185876.4A CN113875337B (en) | 2021-10-12 | 2021-10-12 | Agricultural fertilization rotary tillage all-in-one |
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| CN113875337B true CN113875337B (en) | 2022-11-22 |
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| CN114521353A (en) * | 2022-02-25 | 2022-05-24 | 连云港九迁机械制造有限公司 | Rotary cultivator with intelligence fertilization function |
| EP4449839A1 (en) * | 2023-04-18 | 2024-10-23 | Trust Dora | Improved shredder for agricultural machinery |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201919331U (en) * | 2011-01-13 | 2011-08-10 | 长春理工大学 | Intermittent fertilizer applicator for middle and late growth stages of individual tall crops |
| CN106171062B (en) * | 2016-07-28 | 2018-12-14 | 江苏大学 | A kind of tilting latent deep rotary cultivator attachment of soil reverse |
| CN108738391A (en) * | 2018-04-28 | 2018-11-06 | 芜湖盛科环保技术有限公司 | A kind of extensive cultivation rotary cultivator |
| CN108848692B (en) * | 2018-05-04 | 2021-02-02 | 华中农业大学 | Six-head spiral rotary tillage stubble-cleaning grass-burying knife roller |
| CN110121955A (en) * | 2019-06-24 | 2019-08-16 | 商丘市农林科学院 | A kind of rotary tillage ferti all-in-one machine |
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