CN209749111U - Double-row self-stirring wheat seed sowing device - Google Patents
Double-row self-stirring wheat seed sowing device Download PDFInfo
- Publication number
- CN209749111U CN209749111U CN201821911412.0U CN201821911412U CN209749111U CN 209749111 U CN209749111 U CN 209749111U CN 201821911412 U CN201821911412 U CN 201821911412U CN 209749111 U CN209749111 U CN 209749111U
- Authority
- CN
- China
- Prior art keywords
- seed
- box
- wheel
- sowing
- seed sowing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000009331 sowing Methods 0.000 title claims abstract description 104
- 241000209140 Triticum Species 0.000 title claims abstract description 37
- 235000021307 Triticum Nutrition 0.000 title claims abstract description 37
- 238000003756 stirring Methods 0.000 title claims abstract description 14
- 241000721671 Ludwigia Species 0.000 claims abstract description 78
- 238000004140 cleaning Methods 0.000 claims abstract description 35
- 238000005192 partition Methods 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 claims description 17
- 238000001746 injection moulding Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 238000010899 nucleation Methods 0.000 abstract description 15
- 230000003044 adaptive effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000001737 promoting effect Effects 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 description 8
- 241000196324 Embryophyta Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000000541 pulsatile effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Sowing (AREA)
Abstract
The utility model discloses a double-row self-stirring wheat seed sowing device, which comprises a seed box, wherein two left seed sowing devices and right seed sowing devices with the same shape and structure are symmetrically arranged in the seed box, each seed sowing device comprises a seed sowing wheel, a brush, two seed cleaning pieces and a seed sowing pipe, and the outer edge of the seed sowing wheel is provided with a flange, a nest hole and a seed cleaning piece adapting gap; the upper half part of the seed sowing wheel is positioned in the seed box, the lower half part of the seed sowing wheel is positioned at the bottom of the seed box, the hairbrush is fixed at the bottom of the seed box positioned at the front end of the seed sowing wheel, the brush wire of the hairbrush is in close contact with the outer edge of the front end of the seed sowing wheel, the bottom of the seed box close to the front end part is fixed with one ends of two seed cleaning sheets, the other ends of the two seed cleaning sheets are respectively inserted into two adaptive gaps of the two seed cleaning sheets, the upper end port of the seed sowing pipe is positioned below the front end part of. The utility model discloses can realize the single seed sowing of wheat, belong to the precision seeding category, this has apparent effect to promoting wheat tillering, improves wheat output.
Description
Technical Field
the invention relates to a seeding machine.
background
The wheat is tillering crop, under reasonable cultivation condition, the tillering of wheat can form ear to form yield, the tillering number of wheat is increased, secondary root can be added to main stem, and the wheat can absorb more nutrients in the growth process. In order to improve the tillering of wheat, the thinning and leveling of the wheat is needed, enough growth space is provided for each wheat, the existing outer grooved pulley drill seeding device has the problems that seeding uniformity and stability are affected due to the fact that seeding is pulsatile when the two seeding modes are operated at low speed, however, the breakage rate of seeds is increased when the seeds are operated at high speed, the purpose of uniformly seeding the wheat is difficult to achieve, the wheat is pulled down to operate by the effective operation area of the grooved pulley when the device is operated, the operation row spacing is larger than or equal to 15 cm, and the effective operation area of the grooved pulley is reduced after the device is smaller than 15 cm, the device is unstable in operation, the pulsatility is increased, the seeding is not uniform, and the seeding is rough. Uneven seeding and serious wheat seed waste. Therefore, the wheat seed metering device with more precision is needed to be realized when seeding is less than 15 cm.
Disclosure of Invention
The invention aims to provide a double-row self-stirring seed sowing device, which can realize single-seed sowing of wheat, belongs to the field of precision sowing, and has obvious effects on promoting wheat tillering and improving wheat yield.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
The utility model provides a double row is from stirring wheat seed metering ware, includes kind of box, bilateral symmetry sets up two left side seed metering wares and the right side seed metering ware that the shape structure is the same in kind of box, and the seed metering ware includes that a seed metering wheel, brush, two clear seed pieces and a seed metering pipe, and the outer fringe of seed metering wheel is equipped with following structure: a flange is arranged in the middle of the outer edge of the annular seed sowing wheel in the circumferential direction, the section of the flange is in a shape that the middle is high and the two sides are low, pockets are arranged at intervals in the circumferential direction of the outer edge of the annular seed sowing wheel on the two sides of the flange, the pockets on the two sides of the flange are alternately arranged, a seed cleaning sheet adapting gap is arranged in the middle of each pocket, the seed cleaning sheet adapting gap is an annular gap, and the bottom of each seed cleaning sheet adapting gap is a circular bottom; the upper half part of the seed discharging wheel is positioned in the seed box, the lower half part of the seed discharging wheel is positioned at the bottom of the seed box, the hairbrush is fixed at the bottom of the seed box positioned at the front end of the seed discharging wheel and is used for preventing seeds from falling to form the bottom at the front end of the seed box, the brush wire of the hairbrush is tightly contacted with the outer edge of the front end of the seed discharging wheel, the bottom of the seed box close to the front end part is fixed with one ends of two seed cleaning sheets, the other ends of the two seed cleaning sheets are respectively inserted into two seed cleaning sheet adapting gaps, the other ends of the two seed cleaning sheets are provided with arc edges matched with the circular bottom of the seed cleaning sheet adapting gaps, the upper end port of the seed discharging pipe is positioned below the front end parts of the two seed cleaning sheet arc edges, a seed box partition plate is arranged between the left seed discharging device and the right seed discharging device, the left side and the, the seed box partition plate is lower than the seed box, the cross section of the seed box partition plate is in the shape that the middle is high and the two sides are low, the seed sowing wheel of the left seed sowing device and the seed sowing wheel of the right seed sowing device are fixed on a concentric shaft, the two ends of the concentric shaft are respectively in rolling connection with the left side and the right side of the seed box, and one end of the concentric shaft is provided with a transmission connection structure used for being connected with a transmission shaft.
The invention further improves that:
The cells arranged at intervals along the circumferential direction of the ring flanges at the two sides of the flanges are positioned at the edges of the left side and the right side of the outer edge of the seed wheel.
The cells are tooth-shaped grooves which are arranged in the circumferential direction, and the outer side groove wall of each groove is the inner side wall of the seed box or the plate wall of the seed box partition plate.
the seed box partition plate is an arc-shaped plate with the middle part protruding upwards.
One end of the concentric shaft is provided with a transmission connecting structure which is used for connecting with a transmission shaft and is a transmission shaft adapting hole with a square section.
The seed sowing wheel of the left seed sowing device and the seed sowing wheel of the right seed sowing device are both in injection molding structures.
The upper end of the seed tube is funnel-shaped.
The bottom of the rear wall of the seed box is in clearance fit with the outer edge of the upper half part of the seed sowing wheel to form the bottom of the rear end of the seed box.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
The invention solves the problem of single-seed sowing of wheat seeds, the invention symmetrically arranges two left-side seed sowing devices and right-side seed sowing devices with the same shape and structure in a seed box, so that the whole structure of the seed sowing device is simple and compact, the cells are arranged at intervals in the circumferential direction of the outer edge of the ring seed sowing wheels at two sides of the flange to serve as seed filling ditches for seed filling and seed sowing, the fluctuation of the grooved pulley type seed sowing is overcome, and simultaneously, because the cells at two sides of the flange are alternately arranged, two columns of cells simultaneously seed sowing the same row sowing pipe, the alternate seed sowing is realized, the requirement of the rotation speed of the seed sowing wheel pair can be reduced, the effective and reliable uniform seed sowing can be realized, and the minimum sowing row spacing is only 5 cm (the minimum sowing row spacing is 15 cm by adopting a. The pulse frequency of the two-edge alternative seeding is 1/2 times of that of the two-edge simultaneous seeding, so that the pulse is effectively reduced, and the seeding is uniform; the cross section of the flange is high in the middle and low on two sides, so that wheat can enter the seed filling ditch at the bottom easily under the action of gravity; the seed sowing device stirs seeds through the speed difference generated when the seed sowing wheel, the inner side wall of the seed box and the seed box partition plate operate, so that the seeds are filled into cells of the seed sowing wheel, the combination of moving and static is adopted, the seed shaping is facilitated, and the seed filling performance is improved compared with the existing hole type seed filling performance; the upper half part of the seed sowing wheel is positioned in the seed box, the lower half part of the seed sowing wheel is positioned at the bottom of the seed box, the hairbrush is fixed at the bottom of the seed box positioned at the front end of the seed sowing wheel and used for preventing seeds from falling off to form the bottom of the front end of the seed box, and brush wires of the hairbrush are tightly contacted with the outer edge of the front end of the seed sowing wheel to clean redundant seeds in the seed filling ditch; the left side and the right side of the two seed discharging wheels are respectively in clearance fit with the inner side wall of the seed box and the plate wall of the seed box partition plate, and the front end and the rear end of the seed box partition plate are respectively fixedly connected with the front inner wall and the rear inner wall of the seed box, so that the seed box is compact in structure and convenient to perform injection molding and one-step molding; the bottom of the seed box close to the front end part is fixed with one end of two seed-clearing pieces, the other ends of the two seed-clearing pieces are respectively inserted into two seed-clearing piece adapting gaps, the other ends of the two seed-clearing pieces are provided with arc edges adapted to the round bottom of the seed-clearing piece adapting gaps, the upper end opening of the seed sowing pipe is positioned below the front end parts of the two seed-clearing piece arc edges, the seeds are effectively ensured to enter the seed sowing pipe, the work is reliable, and the seed filling ditch is not easy to block; the seed box partition plate is arranged between the left seed sowing device and the right seed sowing device and is lower than the seed box, the section of the seed box partition plate is high in the middle and low in two sides, and the arc radians of the two seed sowing wheels above the seed sowing devices are consistent, so that seeds can be in contact with the rotating wheel of the seed sowing devices and fall into the seed filling ditch.
the device is adopted to sow wheat, the sowing uniformity variation coefficient is 20.8 percent, and the sowing uniformity variation coefficient is far less than or equal to 45 percent according with the national standard; the seed breakage rate is 0.02 percent, which meets the national standard and is less than or equal to 0.5 percent; the consistent variation coefficient of each row of seed metering quantity is 1.1 percent, accords with and is far less than the national standard and is less than or equal to 3.9 percent; the coefficient of variation of the stability of the total seeding quantity is 0.6 percent and meets the national standard of less than or equal to 1.3. The yield after wheat is sowed by the device is compared with the yield after the wheat is sowed by a common outer grooved pulley (see a table), and the yield is improved by 14.3 percent. The device is used for actual field sowing operation, and the minimum sowing quantity per mu can reach 7 kilograms per mu.
The invention can realize single-seed sowing of wheat, belongs to the field of precision sowing, and has obvious effects of promoting wheat tillering and improving wheat yield.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a bottom view of the present invention;
FIG. 3 is an isometric view of the present invention;
Fig. 4 is a cross-sectional view of fig. 1.
In the drawings: 1. a seed box; 1-1, the rear wall of the seed box; 2. a seed sowing wheel; 2-1, a flange; 2-2, making cells; 2-3, cleaning the slices to adapt to gaps; 3. cleaning the seed slices; 4. a seed discharge pipe; 4-1, funnel-shaped structure; 5. a seed box partition plate; 6. concentric shafts; 6-1, a transmission shaft adapting hole; 7. a brush; 7-1, and brush filaments of the brush.
Detailed Description
The invention will be described in further detail below with reference to the figures and specific examples.
As can be seen from the embodiments shown in fig. 1 to 4, the present embodiment includes a seed box 1, two left-side seed metering devices and right-side seed metering devices with the same shape and structure are symmetrically arranged in the seed box 1, the seed metering devices include a seed metering wheel 2, a brush 7, two seed cleaning sheets 3 and a seed metering tube 4, and the outer edge of the seed metering wheel 2 is provided with the following structure: the middle part of the outer edge of the annular seed sowing wheel is circumferentially provided with a flange 2-1, the section of the flange 2-1 is in a shape that the middle is high and the two sides are low, the outer edges of the annular seed sowing wheels 2 on the two sides of the flange 2-1 are circumferentially provided with pockets 2-2 at intervals, the pockets 2-2 on the two sides of the flange 2-1 are alternately arranged, the middle part of the pocket 2-2 is provided with a seed cleaning piece adapting gap 2-3, the seed cleaning piece adapting gap 2-3 is an annular gap, and the bottom of the seed cleaning piece adapting gap is a circular bottom which is coaxial with the; the upper half part of the seed sowing wheel 2 is positioned in the seed box 1, the lower half part of the seed sowing wheel 2 is positioned at the bottom of the seed box 1, the hairbrush 7 is fixed at the bottom of the seed box 1 positioned at the front end of the seed sowing wheel 2 and used for preventing seeds from falling to form the bottom of the front end of the seed box 1, the brush wire (7-1) of the hairbrush 7 is tightly contacted with the outer edge of the front end of the seed sowing wheel 2, the bottom of the seed box 1 close to the front end part is fixed with one end of two seed cleaning sheets 3, the other ends of the two seed cleaning sheets 3 are respectively inserted into two seed cleaning sheet adapting gaps 2-3, the other ends of the two seed cleaning sheets 3 are provided with arc edges matched with the round bottom of the seed cleaning sheet adapting gaps 2-3, the upper port of the seed sowing pipe 4 is positioned below the front end parts of the arc edges of the two seed cleaning sheets 3, a seed box spacing plate 5 is arranged between the left-, the front end and the rear end of the seed box partition plate 5 are fixedly connected with the front inner wall and the rear inner wall of the seed box 1 respectively, the seed box partition plate 5 is lower than the seed box 1, the section of the seed box partition plate 5 is high in the middle and low in the two sides, the seed metering wheel 2 of the left-side seed metering device and the seed metering wheel 2 of the right-side seed metering device are fixed on a concentric shaft 6, the two ends of the concentric shaft 6 are respectively in rolling connection with the left side and the right side of the seed box 1, and one end of the concentric shaft 6 is provided with a transmission connection structure used for being connected.
The pockets 2-2 arranged at intervals along the circumferential direction of the annular flange 2-1 at the two sides of the flange 2-1 are positioned at the edges at the left and right sides of the outer edge of the seed sowing wheel 2.
The cells 2-2 are tooth-shaped grooves which are arranged in the circumferential direction, and the outer side groove wall of each groove is the inner side wall 1 of the seed box or the plate wall of the seed box partition plate 5.
The seed box partition plate 5 is an arc-shaped plate with the middle part protruding upwards.
One end of the concentric shaft 6 is provided with a transmission connecting structure for connecting with a transmission shaft, and the transmission connecting structure is a transmission shaft adapting hole 6-1 with a square section.
The seed sowing wheel 2 of the left seed sowing device and the seed sowing wheel 2 of the right seed sowing device are both in injection molding structures.
The upper end of the seed tube 4 is a funnel-shaped structure 4-1.
The bottom of the back wall 1-1 of the seed box 1 is in clearance fit with the outer edge of the upper half part of the seed sowing wheel 2 to form the bottom of the back end of the seed box 1.
The working principle is as follows:
When the seed sowing device works, the seed sowing wheel 2 is driven to rotate by the square shaft inserted into the adaptive hole 6-1 of the transmission shaft, seeds in the box 1 are driven by the seed sowing wheel 2 to be arranged along the cells 2-2 formed by the seed sowing wheel 2, the cells 2-2 drive the seeds to move along with the seed sowing wheel 2, after redundant seeds are cleared out by the brush 7, the quantitative seeds continue to move along with the seed sowing wheel 2, and under the action of the seed clearing piece 3 inserted into the seed clearing piece adaptive gap 2-3, the seeds are separated from the rotating wheel and fall into the funnel to finish seed sowing.
Comparative experimental data: comparison of yield, tillering number, primary root, secondary root, plant height and uppermost leaf length in a comparison test:
Name (R) | Yield (kilogram/mu) | Number of tillers before winter | Early root after tillering before winter | Root taking (strip) before winter | Post-tillering plant height before winter (& ltcm & gt) | Long uppermost leaf ([ cm ] before winter ] and after tillering |
The device | 454.27 | 3.005 | 5 | 3.9 | 12.95 | 10.25 |
Outer grooved wheel drilling seed sowing device | 397.34 | 2.68 | 4.3 | 3.7 | 22.6 | 16.55 |
Claims (8)
1. The utility model provides a two-row self-stirring wheat seed metering ware which characterized in that: including kind box (1) bilateral symmetry sets up the same left side seed metering ware of two shape structures and right side seed metering ware in kind box (1), the seed metering ware includes seed metering wheel (2), brush (7), two clear seed pieces (3) and seed metering pipe (4), the outer fringe of seed metering wheel (2) is equipped with following structure: a flange (2-1) is arranged in the middle of the outer edge of the seed wheel in a circumferential mode, the cross section of the flange (2-1) is high in the middle and low in the two sides, pockets (2-2) are arranged on the two sides of the flange (2-1) in the circumferential direction of the outer edge of the seed wheel (2) in the circumferential mode at intervals, the pockets (2-2) on the two sides of the flange (2-1) are arranged alternately, a seed cleaning sheet adapting gap (2-3) is arranged in the middle of the pockets (2-2), the seed cleaning sheet adapting gap (2-3) is an annular gap, and the bottom of the seed cleaning sheet adapting gap is a circular bottom which is coaxial with the seed wheel (2); the upper half part of the seed sowing wheel (2) is positioned in the seed box (1), the lower half part of the seed sowing wheel (2) is positioned at the bottom of the seed box (1), the brush (7) is fixed at the bottom of the seed box (1) at the front end of the seed sowing wheel (2), used for preventing seeds from falling off to form the bottom of the front end of the seed box (1), brush filaments (7-1) of the brush (7) are tightly contacted with the outer edge of the front end of the seed sowing wheel (2), the bottom of the seed box (1) close to the front end part is fixed with one end of two seed cleaning sheets (3), the other end of the two seed cleaning sheets (3) is respectively inserted into two seed cleaning sheet adapting gaps (2-3), the other end of the two seed cleaning sheets (3) is provided with an arc edge adapted with the round bottom of the seed cleaning sheet adapting gaps (2-3), the upper end opening of the seed sowing pipe (4) is positioned below the front end parts of the arc edges of the two seed cleaning sheets (3); a seed box partition plate (5) is arranged between the left seed sowing device and the right seed sowing device, the left side and the right side of the two seed sowing wheels (2) are respectively in clearance fit with the inner side wall of the seed box (1) and the plate wall of the seed box partition plate (5), the front end and the rear end of the seed box partition plate (5) are respectively fixedly connected with the front inner wall and the rear inner wall of the seed box (1), the seed box partition plate (5) is lower than the seed box (1), the cross section of the seed box partition plate (5) is high in the middle and low on two sides, the seed sowing wheel (2) of the left seed sowing device and the seed sowing wheel (2) of the right seed sowing device are fixed on a concentric shaft (6), two ends of the concentric shaft (6) are respectively connected with the left side and the right side of the seed box (1) in a rolling way, one end of the concentric shaft (6) is provided with a transmission connecting structure used for being connected with a transmission shaft.
2. The double row self-stirring wheat seed metering device of claim 1, wherein: the two sides of the flange (2-1) are surrounded by the pockets (2-2) arranged at intervals along the circumferential direction of the flange (2-1) and are positioned at the edges of the left side and the right side of the outer edge of the seed sowing wheel (2).
3. A double row self-stirring wheat seed metering device as claimed in claim 2, wherein: the cells (2-2) are tooth-shaped grooves which are arranged in the circumferential direction, and the outer groove wall of each groove is the inner side wall of the seed box (1) or the plate wall of the seed box partition plate (5).
4. a double row self-stirring wheat seed metering device as claimed in claim 3, wherein: the seed box partition plate (5) is an arc-shaped plate with the middle part protruding upwards.
5. The double row self-stirring wheat seed metering device of claim 4, wherein: one end of the concentric shaft (6) is provided with a transmission connecting structure which is used for connecting with a transmission shaft and is a transmission shaft adapting hole (6-1) with a square section.
6. the double row self-stirring wheat seed metering device of claim 5, wherein: the seed sowing wheel (2) of the left seed sowing device and the seed sowing wheel (2) of the right seed sowing device are both in injection molding structures.
7. the double row self-stirring wheat seed metering device of claim 6, wherein: the upper end of the seed sowing pipe (4) is of a funnel-shaped structure (4-1).
8. The double row self-stirring wheat seed metering device of claim 7, wherein: the bottom of the rear wall (1-1) of the seed box (1) is in clearance fit with the outer edge of the upper half part of the seed sowing wheel (2) to form the bottom of the rear end of the seed box (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821911412.0U CN209749111U (en) | 2018-11-20 | 2018-11-20 | Double-row self-stirring wheat seed sowing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821911412.0U CN209749111U (en) | 2018-11-20 | 2018-11-20 | Double-row self-stirring wheat seed sowing device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209749111U true CN209749111U (en) | 2019-12-10 |
Family
ID=68744646
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821911412.0U Active CN209749111U (en) | 2018-11-20 | 2018-11-20 | Double-row self-stirring wheat seed sowing device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209749111U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114190142A (en) * | 2021-11-02 | 2022-03-18 | 高绪达 | Cellular wheel type seed sowing device |
-
2018
- 2018-11-20 CN CN201821911412.0U patent/CN209749111U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114190142A (en) * | 2021-11-02 | 2022-03-18 | 高绪达 | Cellular wheel type seed sowing device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN203912517U (en) | The two strain precision sowers in a kind of corn one cave | |
CN210808158U (en) | Prevent rotary tillage combined seed and fertilizer drill of jam | |
CN109937652B (en) | Double-row side-charging type precise hill-drop planter with selectable sowing quantity for rice | |
CN112715105B (en) | Single-air-chamber double-chamber pneumatic seed sowing device | |
CN205726998U (en) | A kind of agricultural production seeder | |
CN209749111U (en) | Double-row self-stirring wheat seed sowing device | |
CN203633102U (en) | Precise furrowing seeder of broomcorn | |
CN109121601B (en) | Differential formula district seed metering device | |
CN217363754U (en) | Sine peak valley type seedling-strip corn precision no-tillage planter | |
CN108283037B (en) | Combined double-charging single-grain precision seed sowing device | |
CN103636320B (en) | Chinese sorghum essence amount furrow seeder | |
CN106561123A (en) | Funnel-like seed sowing device and application thereof | |
CN108337959B (en) | American ginseng pneumatic needle precision collecting and discharging device | |
CN210053822U (en) | Double-row side-charging type rice precision hill-drop seed sowing device with selectable sowing quantity | |
CN210694889U (en) | Opposed swash plate high-speed pneumatic precision seed metering device for bud seeds | |
CN109247102B (en) | Double-row self-stirring wheat seed sowing device | |
CN108207191B (en) | Smart volume direct seeding cavitation device of rice of side direction kind of leading | |
CN110226394B (en) | Combined honeycomb single-disc double-row seed sowing device | |
CN213127072U (en) | Hole sowing type precision seed sowing body | |
CN108702900B (en) | Rice hill-drop quantitative seed metering composite set | |
CN113207365A (en) | Sine peak valley type precision no-tillage seeder for seedling with soybean | |
CN211792849U (en) | Energy-saving, efficient and accurate multifunctional seed sowing device | |
CN220292559U (en) | Wheat air-blowing precision seeder | |
CN214902102U (en) | Square planting disseminator and seeder | |
CN107155465B (en) | Differential type wheat seed sowing device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |