CN113748796A - Seeder for farming - Google Patents
Seeder for farming Download PDFInfo
- Publication number
- CN113748796A CN113748796A CN202111026145.5A CN202111026145A CN113748796A CN 113748796 A CN113748796 A CN 113748796A CN 202111026145 A CN202111026145 A CN 202111026145A CN 113748796 A CN113748796 A CN 113748796A
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- Prior art keywords
- hole
- seeding
- fixing
- adjusting
- fixing hole
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C5/00—Making or covering furrows or holes for sowing, planting or manuring
- A01C5/06—Machines for making or covering drills or furrows for sowing or planting
- A01C5/062—Devices for making drills or furrows
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/20—Parts of seeders for conducting and depositing seed
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Sowing (AREA)
Abstract
The invention discloses a seeder for agricultural planting, which comprises a movable trolley and at least one group of seeding mechanisms arranged on the movable trolley; the seeding mechanism comprises a ditching assembly, a storage box, a feeding assembly and a seeding pipe, the storage box is installed on the movable trolley, the seeding pipe is connected with the storage box through the feeding assembly, seeds are quantitatively supplied to the seeding pipe through the feeding assembly, the ditching assembly is installed on the movable trolley, and the ditching assembly is located in front of the traveling direction of the seeding pipe. According to the automatic feeding device, the feeding assembly is additionally arranged, when seeding and discharging are carried out, the output end of the motor can drive the guide block to rotate so as to control the opening direction of the storage tank, automatic charging and discharging are realized, the uniformity of discharging of crop seeds is effectively guaranteed, and the phenomenon that the crop seeds are pricked and stacked to fall is avoided. The invention has the advantages of reasonable structure, reliable performance, small investment, low cost, convenient use, large seeding range and capability of effectively shortening the seeding period, and the operation depth and the seeding amount can be conveniently adjusted, so the invention has wide adaptability and is not easy to be eliminated.
Description
Technical Field
The invention relates to the technical field of seeders, in particular to a seeder for agricultural planting.
Background
The seeder is a planting machine taking crop seeds as a seeding object, is used for the seeder of certain types or certain crops, is usually named by crop types, such as a grain drill, a corn hill planter, a cotton seeder, a pasture grass broadcaster and the like, and is often used for seeding crops in agriculture, so that the seeding efficiency is greatly improved, the agricultural development is greatly promoted, and the seeder becomes an important tool in industrial agriculture.
But present current seeder has certain defect, and traditional seeder does not set up effectual guide subassembly, and when the seeding, the crop seed is difficult to orderly control, pricks easily to pile and falls down, and in addition, the ploughshare that traditional seeder set is difficult to change inclination as required, and the flexibility is relatively poor.
Disclosure of Invention
Aiming at overcoming the defects in the prior art, the invention mainly aims to overcome the defects in the prior art and discloses a seeder for agricultural planting, which comprises a movable trolley and at least one group of seeding mechanisms arranged on the movable trolley;
the seeding mechanism comprises a ditching assembly, a storage box, a feeding assembly and a seeding pipe, wherein the storage box is installed on the movable trolley, the seeding pipe is connected with the storage box through the feeding assembly, the feeding assembly supplies seeds to the seeding pipe in a quantitative mode, and the ditching assembly is installed on the movable trolley and located in front of the traveling direction of the seeding pipe.
Further, the ditching assembly comprises a height adjusting mechanism, an angle adjusting mechanism and a plowshare with a ditching tip, the upper end of the height adjusting mechanism is fixedly installed on the movable trolley, the lower end of the height adjusting mechanism is provided with the angle adjusting mechanism, and the plowshare is installed on the angle adjusting mechanism.
Further, the height adjusting mechanism comprises a fixed rod, an adjusting rod and a first locking piece, a sliding groove matched with the adjusting rod is formed in the fixed rod, at least one first fixing hole is formed in the fixed rod, a plurality of first adjusting holes are formed in the adjusting rod, and the first fixing hole and the corresponding first adjusting hole are connected through the first locking piece.
Furthermore, the first fixing hole and the first adjusting hole are screw holes, and the first locking piece is a fixing bolt; or, the first fixing hole is a unthreaded hole, the first adjusting hole is a screw hole, and the first locking piece is a fixing bolt; or, the first fixing hole and the second fixing hole are unthreaded holes, and the first locking piece is a bolt or a combination of a fixing bolt and a nut.
Furthermore, the angle adjusting mechanism comprises a fixed plate, a baffle and a second locking piece, the fixed plate is installed on the height adjusting mechanism, the baffle is respectively arranged at two sides of the fixed plate to form an area for installing the plowshare, the plowshare is installed between the two baffles through a rotating shaft, a second fixed hole is formed in each baffle, and a plurality of second adjusting holes are formed in each plowshare; when the plough head is used, the second locking piece is utilized to connect the second fixing hole and the corresponding second adjusting hole after the plough head is adjusted to a target angle.
Furthermore, the second fixing hole and the second adjusting hole are screw holes, and the second locking piece is a fixing bolt; or, the second fixing hole is a unthreaded hole, the second adjusting hole is a screw hole, and the second locking piece is a fixing bolt; or the second fixing hole and the second fixing hole are unthreaded holes, and the second locking piece is a bolt or a combination of a fixing bolt and a nut.
Further, the travelling car includes frame and array installation at least four walking wheels in the frame bottom.
Furthermore, one end of the movable trolley is provided with a mounting plate, and the mounting plate is provided with a mounting hole connected with the traction equipment.
Furthermore, the feeding assembly comprises a shell, a material guide block and a motor, the material guide block is of a cylindrical structure, at least one material storage tank is concavely arranged on the side wall of the material guide block, an installation cavity matched with the material guide block is arranged inside the shell, a feeding port and a discharging port which are connected with the material storage tank and the seeding pipe are arranged on the shell, and the motor is connected with the material guide block and drives the material guide block to rotate.
Further, a protective cover is arranged outside the motor, and heat dissipation holes are formed in the protective cover.
The invention has the following beneficial effects:
(1) according to the invention, by additionally arranging the feeding assembly, the output end of the motor can drive the guide block to rotate when seeding and blanking are performed, when the opening of the storage tank on the guide block is upward, crop seeds are received in the storage tank, the guide block continues to rotate, when the opening of the storage tank is downward, the seeds can automatically fall from the storage tank into the ditch, so that the operations of receiving and blanking are continued, the uniformity of crop seed blanking can be effectively ensured, and the phenomenon that the seeds are pricked and piled to fall is avoided.
(2) According to the invention, by additionally arranging the height adjusting assembly and the angle adjusting assembly, when the distance between the plowshare and the frame and the angle of the plowshare need to be adjusted, convenient and quick adjustment is realized.
(3) The invention has the advantages of reasonable structure, reliable performance, small investment, low cost, convenient use, large seeding range and capability of effectively shortening the seeding period, and the operation depth and the seeding amount can be conveniently adjusted, so the invention has wide adaptability and is not easy to be eliminated.
Drawings
FIG. 1 is a schematic structural view of a seeder for agricultural planting according to the present invention;
FIG. 2 is a side view of a planter for agricultural planting in accordance with the present invention;
FIG. 3 is a schematic view of the feed assembly;
FIG. 4 is an enlarged view of A in FIG. 1;
FIG. 5 is a schematic view of the angle adjustment mechanism in cooperation with the plow head;
FIG. 6 is a schematic view of the structure of the plowshare;
the reference numbers are as follows:
1. the movable trolley comprises a movable trolley, 2, a ditching assembly, 3, a storage box, 4, a feeding assembly, 5, a seeding pipe, 11, a rack, 12, a traveling wheel, 13, a mounting plate, 21, a height adjusting mechanism, 22, an angle adjusting mechanism, 23, a plough head, 41, a shell, 42, a material guide block, 43, a motor, 44, a storage tank, 211, a fixed rod, 212, an adjusting rod, 213, a first locking piece, 214, a first fixing hole, 215, a first adjusting hole, 221, a fixed plate, 222, a baffle, 223, a second locking piece, 224, a first fixing hole, 225 and a second adjusting hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
A seeding machine for agricultural planting is shown in figures 1-6 and comprises a movable trolley 1 and at least one group of seeding mechanisms arranged on the movable trolley 1; in the present embodiment, four sets of the sowing mechanisms are provided.
The seeding mechanism comprises a ditching assembly 2, a storage box 3, a feeding assembly 4 and a seeding pipe 5, wherein the storage box 3 is arranged on the movable trolley 1, and seeds are stored through the storage box 3; the seeding pipe 5 is also installed on the travelling car 1 to be connected with the storage box 3 through the feed subassembly 4, transmit the seed in the storage box 3 to the seeding pipe 5 through the feed subassembly 4 in, and in the ditch groove with the leading-in farmland of seed through the seeding pipe 5. The ditching component 2 is arranged on the movable trolley 1 and is positioned in front of the advancing direction of the seeding pipe 5, and ditching is carried out on the farmland by utilizing the ditching component 2.
In one embodiment, as shown in fig. 1-6, the ditching assembly 2 comprises a height adjusting mechanism 21, an angle adjusting mechanism 22 and a plowshare 23 with a ditching tip, wherein the upper end of the height adjusting mechanism 21 is fixedly mounted on the mobile trolley 1, the lower end of the height adjusting mechanism is provided with the angle adjusting mechanism 22, and the plowshare 23 is mounted on the angle adjusting mechanism 22. The height position of the plowshare 23 is adjusted by the height adjusting mechanism 21, and the ditching angle of the plowshare 23 is adjusted by the angle adjusting mechanism 22. Further, the plowshare 23 can be adjusted to the optimal ditching position according to the actual situation of the field. Specifically, the method comprises the following steps:
the height adjusting mechanism 21 includes a fixing rod 211, an adjusting lever 212, and a first locking member 213, and a sliding groove is provided in the fixing rod 211 to be engaged with the adjusting lever 212 such that the adjusting lever 212 can vertically move in the sliding groove. The fixing rod 211 is provided with at least one first fixing hole 214, and the adjusting rod 212 is provided with a plurality of first adjusting holes 215. In the present embodiment, two first fixing holes 214 are provided. Of course, the first fixing holes 214 are not limited to one or two, and may be three or more. When the device is used, the adjusting rod 212 is moved up and down, the plowshare 23 is adjusted to a target height, the first fixing hole 214 and the corresponding first adjusting hole 215 are aligned, and the first locking piece 213 is inserted to complete the locking of the fixing rod 211 and the adjusting rod 212, so that the height adjustment of the plowshare 23 is realized. The first fixing hole 214, the first adjusting hole 215 and the first locking member 213 can be combined in various ways.
When the first fixing hole 214 and the first adjusting hole 215 are both screw holes, the first locking member 213 is a fixing bolt; that is, the fixing bolt is screw-engaged with both the first fixing hole 214 and the first adjusting hole 215. When the first fixing hole 214 is a light hole and the first adjusting hole 215 is a screw hole, the first locking member 213 is also a fixing bolt; that is, when locked, the fixing bolt passes through the first fixing hole 214 and then is threadedly engaged with the first adjusting hole 215. When the first fixing hole 214 and the first adjusting hole 215 are both unthreaded holes, the first locking member 213 may be a bolt, and the first fixing hole 214 and the first adjusting hole 215 on both sides are connected by the bolt to complete locking; of course, the first locking member 213 may also be a fixing bolt and nut combination; that is, the fixing bolt is inserted from the first fixing hole 214 of one side, passes through the first adjusting hole 215 and protrudes from the first fixing hole 214 of the other side, and then the nut is mounted on the fixing bolt, thereby completing the locking of the fixing rod 211 and the adjusting rod 212.
The angle adjusting mechanism 22 comprises a fixing plate 221, a baffle plate 222 and a second locking piece 223, wherein the fixing plate 221 is installed on the height adjusting mechanism 21, the baffle plate 222 is respectively arranged at two sides of the fixing plate 221 to form an area for installing the plowshare 23, the plowshare 23 is installed between the two baffle plates 222 through a rotating shaft, and two ends of the rotating shaft are installed on the baffle plate 222. The baffle 222 is provided with a second fixing hole 224, and the plowshare 23 is provided with a plurality of second adjusting holes 225; the number of the second fixing holes 224 is not limited to the number, and may be one, two or more; in the present embodiment, the number of the second fixing holes 224 is set to five. In use, after the plowshare 23 is adjusted to a target angle, the second locking piece 223 is used to connect the second fixing hole 224 and the corresponding second adjusting hole 225. The second fixing hole 224, the second adjusting hole 225 and the second locking member 223 have various combinations.
When the second fixing hole 224 and the second adjusting hole 225 are both screw holes, the second locking member 223 is a fixing bolt; that is, the fixing bolt is simultaneously screw-engaged with the second fixing hole 224 and the second adjusting hole 225. When the second fixing hole 224 is a light hole and the second adjusting hole 225 is a screw hole, the second locking member 223 is also a fixing bolt; that is, when locked, the fixing bolt passes through the second fixing hole 224 and then is screw-engaged with the second adjustment hole 225. When the second fixing hole 224 and the second adjusting hole 225 are both unthreaded holes, the second locking member 223 may be a bolt, and the bolt connects the second fixing hole 224 and the second adjusting hole 225 on both sides to complete locking; of course, the second locking member 223 may also be a fixing bolt and nut combination; that is, the fixing bolt is inserted from the second fixing hole 224 of one side, passes through the second adjusting hole 225 and protrudes from the second fixing hole 224 of the other side, and then the nut is mounted on the fixing bolt, thereby completing the locking of the fixing rod 221 and the adjusting rod 222.
In one embodiment, as shown in fig. 1-6, the mobile cart 1 includes a frame 11 and at least four road wheels 12 mounted on the bottom of the frame 11 in an array.
In one embodiment, as shown in fig. 1-6, the mobile cart 1 is provided with a mounting plate 13 at one end thereof, and the mounting plate 13 is provided with mounting holes for connecting with a towing device. So as to be connected with the traction equipment and drive the movable trolley to move through the traction equipment.
In one embodiment, as shown in fig. 1 to 6, the feeding assembly 4 includes a housing 41, a material guiding block 42 and a motor 43, the material guiding block 42 is a cylindrical structure, at least one material storage slot 44 is concavely formed on a side wall of the material guiding block 42, a mounting cavity matched with the material guiding block 42 is arranged inside the housing 41, a material inlet and a material outlet connected with the material storage box 3 and the seeding tube 5 are arranged on the housing 41, and the motor 43 is connected with the material guiding block 42 and drives the material guiding block 42 to rotate. When the seeding unloading, motor 43 output can drive guide block 42 and rotate, and when the stock chest 44 opening on guide block 42 upwards, accept the crop seed in the stock chest 44, along with guide block 42 continues to rotate, when the stock chest 44 opening is downward, the seed can follow the automatic ditch that gets into through seeding pipe 5 that falls down in the stock chest 44, so continuously connect the material unloading operation, can effectively guarantee the homogeneity of crop seed unloading, avoid pricking the heap and fall down. In the embodiment, the material guide block 42 is uniformly provided with four material storage tanks 44 around the circumference thereof; the four material storage grooves 44 are arc-shaped grooves, and when the material guide block 42 rotates, the four material storage grooves 44 can sequentially receive materials and discharge materials, so that the uniformity of the discharging materials is ensured.
In the above embodiment, as shown in fig. 1 to 6, the motor 43 is externally provided with a protective cover, and the protective cover is provided with heat dissipation holes. The motor 43 can effectively be protected to the safety cover, avoids motor 43 to collide with the damage, and wherein, the louvre of seting up is convenient for the thermal effluvium when motor 43 moves.
In use, the present invention, as shown in figures 1-6, connects the towing equipment attachment plate 13 to the dolly 1. When the movable sowing is carried out, firstly, the plowshare 23 is utilized for ditching, then, the sowing is carried out, when the sowing and the blanking are carried out, the output end of the motor 43 can drive the material guide block 42 to rotate, when the opening of the material storage groove 44 on the material guide block 42 is upward, the material storage groove 44 receives crop seeds, the material guide block 42 continuously rotates, when the opening of the material storage groove 44 is downward, the seeds can automatically fall from the material storage groove 44 and enter the ditch through the sowing pipe 5, the material receiving and the blanking operations are continuously carried out, the blanking uniformity of the crop seeds can be effectively ensured, the binding and the blanking are avoided, in addition, when the distance between the ditching assembly and the rack 11 needs to be adjusted, only the first locking piece 213 needs to be screwed down, then the insertion depth of the adjusting rod 212 in the fixed rod 211 is changed, after the position is changed, the first locking piece 213 is connected with the first fixing hole 214 and the first adjusting hole 215, the distance change is convenient and rapid, in addition, when the inclination angle of the plowshare 23 needs to be changed, the second locking piece 223 is detached firstly, then the plowshare 23 is rotated around the rotating shaft, after the inclination angle is changed, the second locking piece 223 is connected with the second fixing hole 221 and the second adjusting hole 222, and the angle change is rapid and convenient.
The above are merely preferred embodiments of the present invention, and are not intended to limit the scope of the invention; it is intended that the following claims be interpreted as including all such alterations, modifications, and equivalents as fall within the true spirit and scope of the invention.
Claims (10)
1. The seeder for agricultural planting is characterized by comprising a movable trolley and at least one group of seeding mechanisms arranged on the movable trolley;
the seeding mechanism comprises a ditching assembly, a storage box, a feeding assembly and a seeding pipe, wherein the storage box is installed on the movable trolley, the seeding pipe is connected with the storage box through the feeding assembly, the feeding assembly supplies seeds to the seeding pipe in a quantitative mode, and the ditching assembly is installed on the movable trolley and located in front of the traveling direction of the seeding pipe.
2. The seeder for agricultural planting according to claim 1, wherein the ditching assembly comprises a height adjusting mechanism, an angle adjusting mechanism and a plowshare with a ditching tip, the upper end of the height adjusting mechanism is fixedly mounted on the travelling car, the lower end of the height adjusting mechanism is provided with the angle adjusting mechanism, and the plowshare is mounted on the angle adjusting mechanism.
3. The seeder for agricultural planting according to claim 2, wherein the height adjustment mechanism comprises a fixed rod, an adjusting rod and a first locking member, a sliding groove matched with the adjusting rod is arranged in the fixed rod, at least one first fixing hole is arranged on the fixed rod, a plurality of first adjusting holes are arranged on the adjusting rod, and the first fixing hole and the corresponding first adjusting hole are connected through the first locking member.
4. The seeding machine for agricultural planting according to claim 3, wherein the first fixing hole and the first adjusting hole are screw holes, and the first locking member is a fixing bolt; or, the first fixing hole is a unthreaded hole, the first adjusting hole is a screw hole, and the first locking piece is a fixing bolt; or, the first fixing hole and the second fixing hole are unthreaded holes, and the first locking piece is a bolt or a combination of a fixing bolt and a nut.
5. The seeder for agricultural planting according to claim 2, wherein the angle adjusting mechanism comprises a fixing plate, a baffle plate and a second locking piece, the fixing plate is mounted on the height adjusting mechanism, the baffle plate is respectively arranged at two sides of the fixing plate to form an area for mounting the plowshare, the plowshare is mounted between the two baffle plates through a rotating shaft, the baffle plate is provided with a second fixing hole, and the plowshare is provided with a plurality of second adjusting holes; when the plough head is used, the second locking piece is utilized to connect the second fixing hole and the corresponding second adjusting hole after the plough head is adjusted to a target angle.
6. The seeding machine for agricultural planting according to claim 5, wherein the second fixing hole and the second adjusting hole are screw holes, and the second locking piece is a fixing bolt; or, the second fixing hole is a unthreaded hole, the second adjusting hole is a screw hole, and the second locking piece is a fixing bolt; or the second fixing hole and the second fixing hole are unthreaded holes, and the second locking piece is a bolt or a combination of a fixing bolt and a nut.
7. The planter according to claim 1 wherein said mobile cart comprises a frame and at least four road wheels mounted in an array on the bottom of said frame.
8. The seeding machine for agricultural planting according to claim 1, wherein a mounting plate is arranged at one end of the movable trolley, and a mounting hole connected with the traction equipment is formed in the mounting plate.
9. The seeding machine for agricultural planting according to claim 1, wherein the feeding assembly comprises a housing, a guiding block and a motor, the guiding block is of a cylindrical structure, at least one material storage tank is concavely arranged on the side wall of the guiding block, an installation cavity matched with the guiding block is arranged inside the housing, a feeding hole and a discharging hole which are connected with the material storage tank and the seeding pipe are arranged on the housing, and the motor is connected with the guiding block and drives the guiding block to rotate.
10. The seeding machine for agricultural planting according to claim 9, wherein a protective cover is arranged outside the motor, and heat dissipation holes are formed in the protective cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111026145.5A CN113748796A (en) | 2021-09-02 | 2021-09-02 | Seeder for farming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111026145.5A CN113748796A (en) | 2021-09-02 | 2021-09-02 | Seeder for farming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113748796A true CN113748796A (en) | 2021-12-07 |
Family
ID=78792597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111026145.5A Pending CN113748796A (en) | 2021-09-02 | 2021-09-02 | Seeder for farming |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113748796A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114176062A (en) * | 2021-12-14 | 2022-03-15 | 苏州健雄职业技术学院 | Self-propelled sprayer special for cotton |
| CN114532008A (en) * | 2022-02-26 | 2022-05-27 | 贺州市农业科学院 | Whole peanut mechanized membrane side seeder |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1285184C (en) * | 1985-02-28 | 1991-06-25 | Jay Harold Olson | Seed meter seed tube |
| CN105165141A (en) * | 2015-11-03 | 2015-12-23 | 海东市光明农机制造有限公司 | Ploughshare adapted to plurality of types of landforms |
| CN106211869A (en) * | 2016-08-27 | 2016-12-14 | 淮安荣宇机械有限公司 | A kind of scalable colter |
| CN109041618A (en) * | 2018-08-07 | 2018-12-21 | 杭州真树园林设计工程有限公司 | A kind of Chinese garden planting soil farming tool |
| CN212812688U (en) * | 2020-06-10 | 2021-03-30 | 河北省农业技术推广总站 | Ditching seeder |
-
2021
- 2021-09-02 CN CN202111026145.5A patent/CN113748796A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1285184C (en) * | 1985-02-28 | 1991-06-25 | Jay Harold Olson | Seed meter seed tube |
| CN105165141A (en) * | 2015-11-03 | 2015-12-23 | 海东市光明农机制造有限公司 | Ploughshare adapted to plurality of types of landforms |
| CN106211869A (en) * | 2016-08-27 | 2016-12-14 | 淮安荣宇机械有限公司 | A kind of scalable colter |
| CN109041618A (en) * | 2018-08-07 | 2018-12-21 | 杭州真树园林设计工程有限公司 | A kind of Chinese garden planting soil farming tool |
| CN212812688U (en) * | 2020-06-10 | 2021-03-30 | 河北省农业技术推广总站 | Ditching seeder |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114176062A (en) * | 2021-12-14 | 2022-03-15 | 苏州健雄职业技术学院 | Self-propelled sprayer special for cotton |
| CN114532008A (en) * | 2022-02-26 | 2022-05-27 | 贺州市农业科学院 | Whole peanut mechanized membrane side seeder |
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Application publication date: 20211207 |
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| RJ01 | Rejection of invention patent application after publication |