CN202565717U - Seeder and air conveying type seed metering and fertilizer ejecting device thereof - Google Patents
Seeder and air conveying type seed metering and fertilizer ejecting device thereof Download PDFInfo
- Publication number
- CN202565717U CN202565717U CN201220117517.5U CN201220117517U CN202565717U CN 202565717 U CN202565717 U CN 202565717U CN 201220117517 U CN201220117517 U CN 201220117517U CN 202565717 U CN202565717 U CN 202565717U
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- Prior art keywords
- fertilizer
- distributor
- seeding
- air conveying
- seed
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/08—Broadcast seeders; Seeders depositing seeds in rows
- A01C7/081—Seeders depositing seeds in rows using pneumatic means
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/06—Seeders combined with fertilising apparatus
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Sowing (AREA)
- Fertilizing (AREA)
Abstract
The utility model provides a seeder and an air conveying type seed metering and fertilizer ejecting device thereof. The seeder comprises a rack, a seed fertilizer tractor, an air conveying type seed metering and fertilizer ejecting device and a seeding device, wherein the air conveying type seed metering and fertilizer ejecting device and the seeding device are installed on the rack; the rack is hooked with the seed fertilizer tractor; the air conveying type seed metering and fertilizer ejecting device is arranged corresponding to the seeding device and comprises a fan, an air chamber, a seed metering system and a fertilizer ejecting system; the fan is connected with the air chamber; the seed metering system comprises a seed metering box, a seed metering mechanism, a seed conveying pipeline and a seed metering distributor; the seed metering mechanism is communicated with the seed metering box, the air chamber and the seed conveying pipeline respectively; the seed conveying pipeline is communicated with the seed metering distributor; the fertilizer ejecting system comprises a fertilizer ejecting box, a fertilizer ejecting mechanism, a fertilizer conveying pipeline and a fertilizer ejecting distributor; the fertilizer ejecting mechanism is communicated with the fertilizer ejecting box, the air chamber and the fertilizer conveying pipeline respectively; and the fertilizer conveying pipeline is communicated with the fertilizer ejecting distributor.
Description
Technical field
The utility model relates to a kind of agricultural seeder machinery, the sower and the air conveying-type seeding fertilizer distributor thereof of the seed accomplished of particularly a kind of seeding that is used for the air type sower, fertilizer system, the remote conveying of fertilizer.
Background technology
China's drilling seeding crops machine mainly is the roller feed version of " a device delegation " at present; Because the structure of external feed is limit; The seeding pulsating nature is one of half-precision seeding machine principal element of being difficult to realize always, and has limited the operating rate of sower; In addition; Along with the fast development of large sized tractor, supporting with it large-scale wide cut sowing type is also fast-developing, and at present external widely used large-scale sower is mainly folding with frame; Be equipped with the seed manure car separately; Centralized seeding utilizes air to carry in the fertilizer groove that seed, fertilizer leave to plough the present domestic application that does not also have this series products.
Patent publication No. is CN2824536Y, and name is called the Chinese utility model patent of " air-flow conveying-type dispenser ", discloses a kind of air-flow conveying-type dispenser that is used for sower, can sow grass seed and take into account the land for growing field crops crop seeds.But this technology only relates to air-flow carries seed, does not relate to the problem of using of fertilizer, and only is suitable for the type of a distributor.
The utility model content
The utility model technical problem to be solved provides a kind of sower and air conveying-type seeding fertilizer distributor that can transport seed fertilizer at a distance, has remote configuration to sow that seed fertilizer is not easy to be broadcast the problem of executing in the type to solve plough and seed manure case.
To achieve these goals; The utility model provides a kind of air conveying-type seeding fertilizer distributor of sower, is installed on the frame of sower, wherein; Comprise blower fan, air chamber, metering system and fertilizer system; Said blower fan is connected with said air chamber, and said metering system comprises seeding box, feed mechanism, grain tube road and seeding distributor, and said feed mechanism is communicated with said seeding box, said air chamber and said grain tube road respectively; Said grain tube road is communicated with said seeding distributor; Said fertilizer system comprises fertilizer can, fertilizer mechanism, fertilizer delivering pipe road and fertilizer distributor, and said fertilizer mechanism is communicated with said fertilizer can, said air chamber and said fertilizer delivering pipe road respectively, and said fertilizer delivering pipe road and said fertilizer distributor are communicated with.
Above-mentioned air conveying-type seeding fertilizer distributor; Wherein, Said feed mechanism comprises seeds discharging box, feed shaft, seed wheel and spacer; Said seed wheel and said spacer are installed on the said feed shaft, and said feed shaft is installed and is supported in the said seeds discharging box, and said seed wheel is corresponding to the port setting in said grain tube road.
Above-mentioned air conveying-type seeding fertilizer distributor, wherein, said metering system comprises a plurality of grain tubes road, and said feed mechanism comprises a plurality of seed wheels, and said a plurality of seed wheels correspond respectively to the port setting in said a plurality of grain tubes road.
Above-mentioned air conveying-type seeding fertilizer distributor; Wherein, Said fertilizer mechanism comprises defertilizing box, fertilizer expelling shaft, defertilizing wheel and spacer; Said defertilizing wheel and said spacer are installed on the said fertilizer expelling shaft, and said fertilizer expelling shaft is installed and is supported in the said defertilizing box, and said defertilizing wheel is corresponding to the port setting in said fertilizer delivering pipe road.
Above-mentioned air conveying-type seeding fertilizer distributor, wherein, said fertilizer mechanism comprises a plurality of fertilizer delivering pipes road, and said fertilizer mechanism comprises a plurality of defertilizing wheels, and said a plurality of defertilizing wheels correspond respectively to the port setting in said a plurality of fertilizer delivering pipes road.
Above-mentioned air conveying-type seeding fertilizer distributor wherein, also comprises baffler, and said grain tube road is communicated with said fertilizer delivering pipe road, and said baffler is arranged on the place that is communicated with in said grain tube road and said fertilizer delivering pipe road.
Above-mentioned air conveying-type seeding fertilizer distributor, wherein, said grain tube road be arranged on said fertilizer delivering pipe road above or below, said grain tube road and said fertilizer delivering pipe road are carrying the end to be communicated with below near said seeds discharging box or said defertilizing box.
Above-mentioned air conveying-type seeding fertilizer distributor; Wherein, Said seeding distributor comprises central duct, dispensing head and a plurality of distribution outlet; One end of said central duct is connected with said grain tube road, and said dispensing head is installed in the other end of said central duct, and said a plurality of distribution outlets are distributed on the said dispensing head.
Above-mentioned air conveying-type seeding fertilizer distributor; Wherein, Said fertilizer distributor comprises central duct, dispensing head and a plurality of distribution outlet; One end of said central duct is connected with said fertilizer delivering pipe road, and said dispensing head is installed in the other end of said central duct, and said a plurality of distribution outlets are distributed on the said dispensing head.
In order to realize above-mentioned purpose better; The utility model also provides a kind of sower; Comprise frame, seed manure tractor, air conveying-type seeding fertilizer distributor and seeding apparatus; Said air conveying-type seeding fertilizer distributor and said seeding apparatus are installed on the said frame, and said frame is installed on the said seed manure tractor, and said air conveying-type seeding fertilizer distributor is corresponding to said seeding apparatus setting; Wherein, said air conveying-type seeding fertilizer distributor is above-mentioned air conveying-type seeding fertilizer distributor.
The beneficial functional of the utility model is:
1, the scope of application is extensive, can carry out the sowing of polytype crop, like herbage fine grain, wheat, barley, beans etc.;
2, realized the remote conveying of seed, fertilizer;
3, both can carry out the separate administration of seed fertilizer, also can carry out the mixed applying of seed fertilizer;
4, it is simple the sower complete machine structure to be arranged, is equipped with the seed manure car separately, realizes that easily the wide cut frame is folding.
Below in conjunction with accompanying drawing and specific embodiment the utility model is described in detail, but not as the qualification to the utility model.
Description of drawings
Fig. 1 is the sower structural representation of the utility model;
Fig. 2 is the air conveying-type seeding fertilizer distributor structural representation of the utility model;
Fig. 3 is the seeding fertilizer mechanism structural representation of the utility model one embodiment;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 A is the baffler working state schematic representation (open mode) of the utility model one embodiment;
Fig. 5 B is the baffler working state schematic representation (closed condition) of the utility model one embodiment;
Fig. 6 is seeding (fertilizer) the dispensing arrangement sketch map of the utility model one embodiment.
Wherein, Reference numeral
1 frame
11 distributor connecting plates
2 seed manure tractors
3 air conveying-type seeding fertilizer distributors
31 blower fans, 32 air chambers
33 metering systems
331 seeding boxs
332 feed mechanisms
3321 seeds discharging boxes, 3322 feed shafts
3323 seed wheels, 3324 spacers
333 grain tube roads
334 seeding distributors
3341 central duct, 3342 dispensing heads
3343 distribute outlet
34 fertilizer systems
341 fertilizer cans
342 fertilizer mechanisms
3421 defertilizing box, 3422 fertilizer expelling shafts
3423 defertilizing wheels, 3424 spacers
343 fertilizer delivering pipe roads
344 fertilizer distributors
3441 central duct, 3442 dispensing heads
3443 distribute outlet
35 bafflers
351 joysticks
4 seeding apparatus
Embodiment
Below in conjunction with accompanying drawing structural principle of the present invention and operation principle are done concrete description:
Referring to Fig. 1, Fig. 1 is the sower structural representation of the utility model.The sower of the utility model; Comprise frame 1, seed manure tractor 2, air conveying-type seeding fertilizer distributor 3 and seeding apparatus 4; Said air conveying-type seeding fertilizer distributor 3 is installed in said seed manure tractor below; Said seeding apparatus 4 is installed on the said frame 1, and said frame 1 articulates with said seed manure tractor 2, and said air conveying-type seeding fertilizer distributor 3 is provided with corresponding to said seeding apparatus 4.Because of the 26S Proteasome Structure and Function of these other parts of sower etc. is ripe prior art, repeat no more at this, only the air conveying-type seeding fertilizer distributor 3 of the utility model is specified below.
Referring to Fig. 2, Fig. 2 is the air conveying-type seeding fertilizer distributor structural representation of the utility model.The air conveying-type seeding fertilizer distributor 3 of the utility model is installed on the frame 1 of sower; Comprise blower fan 31, air chamber 32, metering system 33 and fertilizer system 34; Said blower fan 31 is connected with said air chamber 32; Said metering system 33 comprises seeding box 331, feed mechanism 332, grain tube road 333 and seeding distributor 334; Said feed mechanism 332 is communicated with said seeding box 331, said air chamber 32 and said grain tube road 333 respectively, and said grain tube road 333 is communicated with said seeding distributor 334, and said fertilizer system 34 comprises fertilizer can 341, fertilizer mechanism 342, fertilizer delivering pipe road 343 and fertilizer distributor 344; Said fertilizer mechanism 342 is communicated with said fertilizer can 341, said air chamber 32 and said fertilizer delivering pipe road 343 respectively, and said fertilizer delivering pipe road 343 is communicated with said fertilizer distributor 344.Seeding box 331, fertilizer can 341 usefulness bolt are to the upper beam of seed manure tractor 2.Seeding distributor 334, fertilizer distributor 344 usefulness U type set bolts are connected on the distributor connecting plate 11, and distributor connecting plate 11 usefulness bolt are on frame 1.
Referring to Fig. 3 and Fig. 4, Fig. 3 is the seeding fertilizer mechanism structural representation of the utility model one embodiment, and Fig. 4 is the vertical view of Fig. 3.Said feed mechanism 332 comprises seeds discharging box 3321, feed shaft 3322, seed wheel 3323 and spacer 3324; Said seed wheel 3323 is installed on the said feed shaft 3322 with said spacer 3324; Said feed shaft 3322 is installed and is supported in the said seeds discharging box 3321, and said seed wheel 3323 is corresponding to the port setting in said grain tube road 333.In the present embodiment, said metering system 33 can comprise a plurality of grain tubes road 333, and said feed mechanism 332 comprises a plurality of seed wheels 3323, and said a plurality of seed wheels 3323 correspond respectively to the port setting in said a plurality of grain tubes road 333.Said fertilizer mechanism 342 comprises defertilizing box 3421, fertilizer expelling shaft 3422, defertilizing wheel 3423 and spacer 3424; Said defertilizing wheel 3423 is installed on the said fertilizer expelling shaft 3422 with said spacer 3424; Said fertilizer expelling shaft 3422 is installed and is supported in the said defertilizing box 3421, and said defertilizing wheel 3423 is corresponding to the port setting in said fertilizer delivering pipe road 343.In the present embodiment, said fertilizer mechanism 342 can comprise a plurality of fertilizer delivering pipes road 343, and said fertilizer mechanism 342 comprises a plurality of defertilizing wheels 3423, and said a plurality of defertilizing wheels 3423 correspond respectively to the port setting in said a plurality of fertilizer delivering pipes road 343.The upper end of seeds discharging box 3321 and/or defertilizing box 3421 is divided into two parts, and wherein a part is corresponding communicates with seeding box 331 or fertilizer can 341, and another part communicates with air chamber 32.The quantity of distribution outlet 3343,3443 quantity on the dispensing head 3342,3442 and seed wheel 3323, defertilizing wheel 3423 can be according to the line number setting of sower.
Referring to Fig. 5 A and Fig. 5 B, Fig. 5 A is the baffler working state schematic representation (open mode) of the utility model one embodiment, and Fig. 5 B is the baffler working state schematic representation (closed condition) of the utility model one embodiment.Also can comprise baffler 35 in the present embodiment; Said grain tube road 333 is communicated with said fertilizer delivering pipe road 343; Preferred said grain tube road 333 be arranged on said fertilizer delivering pipe road 343 above or below, said grain tube road 333 and said fertilizer delivering pipe road 343 are carrying the end to be communicated with below near said seeds discharging box 3321 or said defertilizing box 3421.Said baffler 35 is arranged on the place that is communicated with in said grain tube road 333 and said fertilizer delivering pipe road 343.The utility model both can be used for using respectively of seed and fertilizer, also can be used for the mixed applying of seed and fertilizer.When needs seed, fertilizer were used respectively, the back draught direction moved joystick 351, and baffler 35 is closed the connected entrance in fertilizer delivering pipe road 343 and grain tube road 333, and chemical fertilizer and seed are blowing out in the pipeline respectively separately; When needing seed, application of mixed fertilizers; Direction towards air-flow moves joystick 351; Baffler 35 is opened, and fertilizer delivering pipe road 343 is communicated with grain tube road 333, and seed, fertilizer arrive seeding distributor 334 and/or fertilizer distributor 344 together in same pipeline.
Referring to Fig. 6, Fig. 6 is seeding (fertilizer) the dispensing arrangement sketch map of the utility model one embodiment.Said seeding distributor 334 comprises central duct 3341, dispensing head 3342 and a plurality of distribution outlet 3343; One end of said central duct 3341 is connected with said grain tube road 333; Said dispensing head 3342 is installed in the other end of said central duct 3341, and said a plurality of distribution outlets 3343 are distributed on the said dispensing head 3342.Said fertilizer distributor 344 comprises central duct 3441, dispensing head 3442 and a plurality of distribution outlet 3443; One end of said central duct 3441 is connected with said fertilizer delivering pipe road 343; Said dispensing head 3442 is installed in the other end of said central duct 3441, and said a plurality of distribution outlets 3443 are distributed on the said dispensing head 3442.
During work; Seed, fertilizer are discharged from seeding box 331, fertilizer can 341 under the turning effort of seed wheel 3323, defertilizing wheel 3423 respectively; Blower fan 31 produces high pressure draught and gets into air chamber 32; Air chamber 32 communicates with metering system 33, fertilizer system 34, and the seed of discharge, fertilizer are dissolved in the high pressure draught just, and seed, fertilizer arrive seeding distributor 334, fertilizer distributor 344 respectively through grain tube road 333 and fertilizer delivering pipe road 343 under the effect of air-flow; Seed, fertilizer stream process central duct 3341,3441 arrive the top of dispensing heads 3342,3442, get at this then and distribute outlet 3343,3443.
Certainly; The utility model also can have other various embodiments; Under the situation that does not deviate from the utility model spirit and essence thereof; Those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.
Claims (10)
1. the air conveying-type seeding fertilizer distributor of a sower; Be installed on the seed manure tractor; It is characterized in that comprise blower fan, air chamber, metering system and fertilizer system, said blower fan is connected with said air chamber; Said metering system comprises seeding box, feed mechanism, grain tube road and seeding distributor; Said feed mechanism is communicated with said seeding box, said air chamber and said grain tube road respectively, and said grain tube road is communicated with said seeding distributor, and said fertilizer system comprises fertilizer can, fertilizer mechanism, fertilizer delivering pipe road and fertilizer distributor; Said fertilizer mechanism is communicated with said fertilizer can, said air chamber and said fertilizer delivering pipe road respectively, and said fertilizer delivering pipe road and said fertilizer distributor are communicated with.
2. air conveying-type seeding fertilizer distributor as claimed in claim 1; It is characterized in that; Said feed mechanism comprises seeds discharging box, feed shaft, seed wheel and spacer; Said seed wheel and said spacer are installed on the said feed shaft, and said feed shaft is installed and is supported in the said seeds discharging box, and said seed wheel is corresponding to the port setting in said grain tube road.
3. air conveying-type seeding fertilizer distributor as claimed in claim 2; It is characterized in that; Said metering system comprises a plurality of grain tubes road, and said feed mechanism comprises a plurality of seed wheels, and said a plurality of seed wheels correspond respectively to the port setting in said a plurality of grain tubes road.
4. air conveying-type seeding fertilizer distributor as claimed in claim 1; It is characterized in that; Said fertilizer mechanism comprises defertilizing box, fertilizer expelling shaft, defertilizing wheel and spacer; Said defertilizing wheel and said spacer are installed on the said fertilizer expelling shaft, and said fertilizer expelling shaft is installed and is supported in the said defertilizing box, and said defertilizing wheel is corresponding to the port setting in said fertilizer delivering pipe road.
5. air conveying-type seeding fertilizer distributor as claimed in claim 4; It is characterized in that; Said fertilizer mechanism comprises a plurality of fertilizer delivering pipes road, and said fertilizer mechanism comprises a plurality of defertilizing wheels, and said a plurality of defertilizing wheels correspond respectively to the port setting in said a plurality of fertilizer delivering pipes road.
6. air conveying-type seeding fertilizer distributor as claimed in claim 1 is characterized in that, also comprises baffler, and said grain tube road is communicated with said fertilizer delivering pipe road, and said baffler is arranged on the place that is communicated with in said grain tube road and said fertilizer delivering pipe road.
7. air conveying-type seeding fertilizer distributor as claimed in claim 6; It is characterized in that; Said grain tube road be arranged on said fertilizer delivering pipe road above or below, said grain tube road and said fertilizer delivering pipe road are carrying the end to be communicated with below near said seeds discharging box or said defertilizing box.
8. air conveying-type seeding fertilizer distributor as claimed in claim 1; It is characterized in that; Said seeding distributor comprises central duct, dispensing head and a plurality of distribution outlet; One end of said central duct is connected with said grain tube road, and said dispensing head is installed in the other end of said central duct, and said a plurality of distribution outlets are distributed on the said dispensing head.
9. air conveying-type seeding fertilizer distributor as claimed in claim 1; It is characterized in that; Said fertilizer distributor comprises central duct, dispensing head and a plurality of distribution outlet; One end of said central duct is connected with said fertilizer delivering pipe road, and said dispensing head is installed in the other end of said central duct, and said a plurality of distribution outlets are distributed on the said dispensing head.
10. sower; Comprise frame, seed manure tractor, air conveying-type seeding fertilizer distributor and seeding apparatus; Said air conveying-type seeding fertilizer distributor is installed on the said seed manure tractor; Said seeding apparatus is installed on the said frame, and said frame and said seed manure tractor articulate, and said air conveying-type seeding fertilizer distributor is corresponding to said seeding apparatus setting; It is characterized in that said air conveying-type seeding fertilizer distributor is any described air conveying-type seeding fertilizer distributor in the aforesaid right requirement 1～9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220117517.5U CN202565717U (en) | 2012-03-26 | 2012-03-26 | Seeder and air conveying type seed metering and fertilizer ejecting device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220117517.5U CN202565717U (en) | 2012-03-26 | 2012-03-26 | Seeder and air conveying type seed metering and fertilizer ejecting device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202565717U true CN202565717U (en) | 2012-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220117517.5U Expired - Lifetime CN202565717U (en) | 2012-03-26 | 2012-03-26 | Seeder and air conveying type seed metering and fertilizer ejecting device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202565717U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104255129A (en) * | 2014-09-15 | 2015-01-07 | 昆山格天美治农机设备有限公司 | Pneumatic seeder |
| CN106068815A (en) * | 2016-07-18 | 2016-11-09 | 湖南文理学院 | A kind of minute seeds seeder |
| CN106358524A (en) * | 2015-07-22 | 2017-02-01 | 马特马克股份公司 | Distributor device of fertilizers |
| CN107683650A (en) * | 2017-09-26 | 2018-02-13 | 华中农业大学 | Rape wheat dual-purpose type pneumatic transmission formula seed-sowing machine |
| CN109362292A (en) * | 2018-11-09 | 2019-02-22 | 中国农业机械化科学研究院 | A kind of air-flow conveying-type tongue fur bran seeder |
| CN111819962A (en) * | 2020-08-18 | 2020-10-27 | 辽宁省旱地农林研究所 | Crop no-tillage shallow-tillage seeding device |
| WO2022214333A1 (en) * | 2021-04-08 | 2022-10-13 | Amazonen-Werke H. Dreyer SE & Co. KG | Agricultural spreader for applying granular material |
| CN115191181A (en) * | 2016-07-13 | 2022-10-18 | 艾姆瓦克香港有限公司 | System for discharging agricultural products with seeds by using seed transportation mechanism in electric pulse mode |
-
2012
- 2012-03-26 CN CN201220117517.5U patent/CN202565717U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104255129A (en) * | 2014-09-15 | 2015-01-07 | 昆山格天美治农机设备有限公司 | Pneumatic seeder |
| CN106358524A (en) * | 2015-07-22 | 2017-02-01 | 马特马克股份公司 | Distributor device of fertilizers |
| CN115191181A (en) * | 2016-07-13 | 2022-10-18 | 艾姆瓦克香港有限公司 | System for discharging agricultural products with seeds by using seed transportation mechanism in electric pulse mode |
| CN106068815A (en) * | 2016-07-18 | 2016-11-09 | 湖南文理学院 | A kind of minute seeds seeder |
| CN107683650A (en) * | 2017-09-26 | 2018-02-13 | 华中农业大学 | Rape wheat dual-purpose type pneumatic transmission formula seed-sowing machine |
| CN107683650B (en) * | 2017-09-26 | 2023-08-29 | 华中农业大学 | Dual-purpose pneumatic conveying type direct seeding machine for rape and wheat |
| CN109362292A (en) * | 2018-11-09 | 2019-02-22 | 中国农业机械化科学研究院 | A kind of air-flow conveying-type tongue fur bran seeder |
| CN111819962A (en) * | 2020-08-18 | 2020-10-27 | 辽宁省旱地农林研究所 | Crop no-tillage shallow-tillage seeding device |
| CN111819962B (en) * | 2020-08-18 | 2021-07-20 | 辽宁省旱地农林研究所 | Crop no-tillage shallow-tillage seeding device |
| WO2022214333A1 (en) * | 2021-04-08 | 2022-10-13 | Amazonen-Werke H. Dreyer SE & Co. KG | Agricultural spreader for applying granular material |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121205 |