CN104170565B - Pneumatic seeder - Google Patents
Pneumatic seeder Download PDFInfo
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- CN104170565B CN104170565B CN201410411946.7A CN201410411946A CN104170565B CN 104170565 B CN104170565 B CN 104170565B CN 201410411946 A CN201410411946 A CN 201410411946A CN 104170565 B CN104170565 B CN 104170565B
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Abstract
The invention relates to the field of agricultural machinery and in particular relates to a pneumatic seeder. The pneumatic seeder comprises a frame, a tension rack, a seed box and a seeding mechanism, wherein the tension rack is arranged at one end of the frame; the seed box is connected with the seeding mechanism; the seeding mechanism comprises a seeding power device, a hole opening power device, an outer seed guide tube, a hole opener, a hole opening lever and a linkage plate; the seeding power device is arranged on the frame and is connected with the outer seed guide tube; the upper end of the outer seed guide tube is communicated with a seed guide tube, and the lower end of the outer seed guide tube is connected with the hole opener; one end of the hole opening lever is connected with the hole opener, and the other end of the hole opening lever is connected with the linkage plate; the linkage plate is connected with the hole opening power device; and the hole opening power device is arranged on the frame. According to the invention, single seed or multiple seeds in the seed box enter the seed guide tube in advance so as to enter the outer seed guide tube, the seeds are seeded in the holes due to opening and closing of the hole opener, and seeding is further finished. According to the structure, empty holes are effectively avoided, and the yield of crops is improved.
Description
Technical field
The present invention relates to agricultural mechanical field, in particular to the pneumatic sower of one.
Background technology
Sower take crop seed as the planting machinery of sowing object, for the sower of certain class or certain crop, often titled with crop species title, as grain drill, corn seeding drill, cotton planter, herbage seed broadcaster etc.
By type of seeding, sower can be divided into seed broadcaster, drilling machine and hill-drop planter etc.
Seed broadcaster is the seed equally distributed sower on sowing plot making to spread out.Conventional type is spinner broadcaster, is attached to agricultural transportation vehicle rear portion.
Drilling type is mainly used in the seeding operation of the small-sized seeds such as cereal, vegetables, herbage.During operation, drive seed wheel to rotate by road wheel, seed is entered grain tube from the seed of planting in case by seeding quantity on request, and falls in the groove held successfully through plough, then will plant subcovering compacting by earthing compacting device.Post emergent crops becomes the bar of parallel equidistant capable.
The seed used due to seed broadcaster and drilling machine is more, has therefore just had the appearance of hill-drop planter.
Bunch planting type is by a line spacing and cave distance, by the planting machinery that seed cavitation is sowed.1 or several seeds can be broadcast in every cave, and point another name single grain fine sowing or many bunch plantings, be mainly used in the intertillage crop such as corn, cotton, beet, sunflower, beans, also known as row-crop drill.Each sower monomer can complete the whole operation process such as trench digging, seeding, earthing, suppression.
But the seed of existing hill-drop planter namely broadcasts at present, just likely can cause the generation in hole, if continuous hole, large area will be caused to occur without the phenomenon of seedling, reduce the output of crops.
Summary of the invention
The object of the present invention is to provide a kind of pneumatic sower, to solve the above problems.
Provide a kind of pneumatic sower in an embodiment of the present invention, comprise frame, tension frame, kind case and at least one sowing mechanism;
Tension frame is arranged on one end of frame, for being connected to frame onward impulse with tractor;
Planting case is arranged on above frame, is connected with the sowing mechanism be positioned at below frame by grain conductor;
Sowing mechanism comprises sowing power set, opens cave power set, outer grain conductor, cave opener, opens cave lever and linkage board;
Sowing power set are fixedly installed in frame;
Sowing power set are connected with outer grain conductor, and outer grain conductor can be driven to move;
The upper end of outer grain conductor is connected with grain conductor, and lower end is connected with cave opener;
The side of the one end and cave opener of opening cave lever is connected, and the other end is connected with linkage board;
One end of linkage board connects drives cave power set;
Drive cave power set to be fixedly installed in frame.
Further, outer grain conductor tilts to away from tension frame direction;
The angle of inclination of outer grain conductor is 60 °.
Further, the both sides of each sowing mechanism are provided with fertilizing mechanism;
Fertilizing mechanism comprises fertilising power set, opens cave power set, outer fertilizer guiding tube, cave opener, opens cave lever and linkage board;
Fertilising power set are fixedly installed in frame;
Fertilising power set are connected with outer fertilizer guiding tube, and outer fertilizer guiding tube can be driven to move;
The upper end of outer fertilizer guiding tube is connected with the fertilizer guiding tube being connected fertile case, and lower end is connected with cave opener;
The side of the one end and cave opener of opening cave lever is connected, and the other end is connected with linkage board;
One end of linkage board connects drives cave power set;
Drive cave power set to be fixedly installed in frame.
Further, cave opener comprises first and opens cave sheet and second and open cave sheet;
First opens cave sheet and second opens cave sheet and is combined rear formation cone;
First opens on the sheet of cave and is provided with the first gear, can rotate with the rotation of the first gear;
Second opens on the sheet of cave and is provided with the second gear, can rotate with the rotation of the second gear;
First gear and the second gears meshing;
First gear with open cave lever and be connected, can under the effect of opening cave lever, realize first and open cave sheet and second and open opening and closing between the sheet of cave.
Further, pneumatic sower also comprises main land wheel;
Main land wheel is arranged on frame one end near tension frame by land wheel support arm.
Further, pneumatic sower also comprises Triggering Control System;
Triggering Control System comprises data processor, proximity switch and time-delay relay;
Data processor, proximity switch and time-delay relay are all arranged in frame,
Proximity switch for monitoring main land wheel operating range, and transfers data to data processor;
After data processor receives the data of proximity switch, after judging that it reaches predetermined stroke, drive sowing mechanism to sow, and be transferred to time-delay relay time delayed signal;
Time-delay relay with drive cave power set and be connected, for receive data processor signal after, time-delay closing drives cave power set.
Further, pneumatic sower also comprises earthing wheel and adjustment spring;
Earthing wheel is arranged on frame one end away from tension frame by earthing wheel support arm;
One end of adjustment spring is connected with frame, and the other end and earthing are taken turns support arm and be connected, the height of taking turns for regulating earthing.
Further, the power set of sowing mechanism are hydraulic cylinder.
Further, the power set of sowing mechanism are cylinder;
Frame is also provided with air compressor and air accumulator, and the atmosphere storage containing certain pressure produced during for the power take-off of tractor is exported rotatory force, in air accumulator, is cylinders providing power.
Further, plant between case and sowing mechanism and be provided with seed adjustment case, for being toggled it in sowing mechanism by the seed in kind of case.
Pneumatic sower provided by the invention, is introduced into the seed simple grain in kind of case or many at grain conductor in advance and then enters outside in grain conductor, then by the folding of cave opener, is sown in kind of cave by seed, and then completes sowing.Such vibrational power flow, can have when sowing seed to sow at each sowing mechanism, thus effectively avoid the appearance in hole, improve the output of crops.
Accompanying drawing explanation
In order to be illustrated more clearly in the specific embodiment of the invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the pneumatic sower of the present invention;
Fig. 2 is the partial structurtes schematic diagram of the pneumatic sower of the present invention;
Fig. 3 is the power set structural representation of the pneumatic sower of the present invention;
Fig. 4 is cave opener structural representation of the present invention.
In figure, 1: tension frame; 2: air accumulator; 3: plant case; 4: frame; 5: adjustment spring; 6: earthing wheel support arm; 7: earthing is taken turns; 8: seed adjustment case; 9: sowing mechanism; 10: fertilizing mechanism; 11: main land wheel; 12: land wheel support arm; 13: grain conductor; 14: outer grain conductor; 15: outer fertilizer guiding tube; 16: cave opener; 17: fertilizer guiding tube; 18: sowing power set; 19: drive cave power set; 20: linkage board; 21: open cave lever; 22: the first gears; Open cave sheet at 23: the first; Open cave sheet at 24: the second; 25: the second gears.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, carry out clear, complete description by technical scheme of the present invention below.Obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belong to the scope that the present invention protects.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
As shown in drawings, pneumatic sower provided by the invention, comprises frame 4, tension frame 1, plants case 3 and at least one sowing mechanism 9;
Tension frame 1 is arranged on one end of frame 4, for being connected to frame 4 onward impulse with tractor;
Planting case 3 is arranged on above frame 4, is connected with the sowing mechanism 9 be positioned at below frame 4 by grain conductor 13;
Sowing mechanism 9 comprises sowing power set 18, opens cave power set 19, outer grain conductor 14, cave opener 16, opens cave lever 21 and linkage board 20;
Sowing power set 18 are fixedly installed in frame 4;
Sowing power set 18 are connected with outer grain conductor 14, and outer grain conductor 14 can be driven to move;
The upper end of outer grain conductor 14 is connected with grain conductor 13, and lower end is connected with cave opener 16;
The one end of opening cave lever 21 is connected with the side of cave opener 16, and the other end is connected with linkage board 20;
One end of linkage board 20 connects drives cave power set 19;
Drive cave power set 19 to be fixedly installed in frame 4.
Outer grain conductor 14 is slidably socketed with grain conductor 13, rises and accepts seed and positioning action; Cave opener 16 is hinged on outer grain conductor 14 bottom, and the timing opening and closing driving cave power set 19, under the effect of opening cave lever 21 and linkage board 20, closes when cave opener 16 is descending completely, instantaneously time up opens, and plays storage, opens cave and discharge seed.
Sowing power set 18 drive outer grain conductor 14 descending, and now, drive cave power set 19 and do not start, cave opener 16 does not work.When sowing power set 18 and driving outer grain conductor 14 to come downwards to least significant end, namely cave opener 16 enters after in soil, drive cave power set 19 to start, cave opener 16 works, carry out out cave, by the seed that enters from grain conductor 13 in outer grain conductor 14 under self gravitation effect, fall into the soil pit that cave opener 16 is outputed.After seeds fall, sowing power set 18 start, and drive outer grain conductor 14 up, open cave power set 19 delayed startup, and after seed discharges completely in outer grain conductor 14, closed cave opener 16, completes sowing work.
Further, outer grain conductor 14 tilts to away from described tension frame 1 direction;
The angle of inclination of outer grain conductor 14 is 60 °.
Angle-inserting type can make cave opener 16 more effectively be inserted in soil, carries out out cave.
Further, the both sides of each sowing mechanism 9 are provided with fertilizing mechanism;
Fertilizing mechanism 10 comprises fertilising power set, opens cave power set 19, outer fertilizer guiding tube 15, cave opener 16, opens cave lever 21 and linkage board 20;
Fertilising power set are fixedly installed in frame 4;
Fertilising power set are connected with outer fertilizer guiding tube 15, and outer fertilizer guiding tube 15 can be driven to move;
The upper end of outer fertilizer guiding tube 15 is connected with the fertilizer guiding tube 17 being connected fertile case, and lower end is connected with cave opener 16;
The one end of opening cave lever 21 is connected with the side of cave opener 16, and the other end is connected with linkage board 20;
One end of linkage board 20 connects drives cave power set 19;
Drive cave power set 19 to be fixedly installed in frame 4.
Fertilizing mechanism 10 is similar to the structure of sowing mechanism 9, and the side that frame 4 is planted case 3 arranges fertile case, by fertilizer guiding tube 17, fertilizer is entered outer fertilizer guiding tube 15, and outer fertilizer guiding tube 15 lower end connects cave opener 16, can realize synchronously applying fertilizer with sowing.
Now, linkage board 20 can share, and drives cave power set 19 and also can share, and fertilising power set sowing power set 18 replace, and namely when sowing power set 18 and driving sowing mechanism 9 to work, drives fertilizing mechanism 10 to work simultaneously.
Further, cave opener 16 comprises first and opens cave sheet 23 and second and open cave sheet 24;
First opens cave sheet 23 and second opens cave sheet 24 and is combined rear formation cone;
First opens on cave sheet 23 and is provided with the first gear 22, can rotate with the rotation of the first gear 22;
Second opens on cave sheet 24 and is provided with the second gear 25, can rotate with the rotation of the second gear 25;
First gear 22 engages with the second gear 25;
First gear 22 with open cave lever 21 and be connected, can under the effect of opening cave lever 21, realize first and open cave sheet 23 and second and open opening and closing between cave sheet 24.
Sowing mechanism 9 is identical with cave opener 16 structure of fertilizing mechanism 10.
First open cave sheet 23 and second open cave sheet 24 closed after, the shape of outward appearance is cone, is cavity in it, is communicated with outer grain conductor 14, seed can be made to open cave sheet 23 and second from first and open between cave sheet 24 and pass through.
Open first and cave sheet 23 arranges first can be driven to open the first gear 22 that cave sheet 23 rotates, open second and cave sheet 24 arranges second can be driven to open the second gear 25 that cave sheet 24 rotates, first gear 22 and the second gear 25 are engaged, make out cave lever 21 when drive first gear 22 rotates, the second gear 25 can be driven simultaneously to rotate round about.Open cave lever 21 by linkage board 20 with drive cave power set 19 and be connected, make out cave power set 19 that cave lever 21 can be driven out to move, and then control the folding condition of cave opener 16.
It is to be noted, driving cave power set 19 can be the optional position being connected to linkage board 20, and then the cave lever 21 of opening in multiple cave openers 16 of the connection of linkage board 20 is connected, and then make one to drive cave power set 19 to drive multiple cave opener 16 to carry out synchronous on-off, improve operating efficiency, save the energy.
Further, pneumatic sower also comprises main land wheel 11;
Main land wheel 11 is arranged on frame 4 one end near tension frame 1 by land wheel support arm 12.
Main land wheel 11 is arranged on the dead ahead of outer grain conductor 14, by the support of main land wheel 11, effectively balances to transplanter at work, reduce the vibrations of sowing mechanism 9 and fertilizing mechanism 10.
Further, pneumatic sower also comprises Triggering Control System;
Triggering Control System comprises data processor, proximity switch and time-delay relay;
Data processor, proximity switch and time-delay relay are all arranged in frame 4,
Proximity switch for monitoring main land wheel 11 operating range, and transfers data to data processor;
After data processor receives the data of proximity switch, after judging that it reaches predetermined stroke, drive sowing mechanism 9 to sow, and be transferred to time-delay relay time delayed signal;
Time-delay relay with drive cave power set 19 and be connected, for receive data processor signal after, time-delay closing drives cave power set 19.
Triggering Control System provides electric power by volt power supply of 12 on tractor, relies on magnetic switch and time-delay relay etc. to be used for realizing the interlock of sowing mechanism 9 and fertilizing mechanism 10.Main land wheel 11 often turns over certain angle when rotating or arc length lay a finger on switch, the sowing power set 18 of sowing mechanism 9 and drive cave power set 19 do descending action under the control of data processor, up moment is started after going downwards to desired depth, the timing of Kai Xue mechanism is opened and keeps certain opening time, be slipped to soil to facilitate the seed be slipped in cave opener 16 from grain conductor 13 in advance by deadweight, after being up to cave opener 16 opening and closing, the seed of planting in case 3 falls into by deadweight in grain conductor 13 again, so move in circles and realize the continuous operation of pneumatic sower.
Further, pneumatic sower also comprises earthing wheel 7;
Earthing wheel 7 is arranged on frame 4 one end away from tension frame 1 by earthing wheel support arm 6.
Earthing wheel 7 is arranged on the opposite side in the dead astern of outer grain conductor 14, after seed enters soil pit, takes turns 7 pairs of soil pits by earthing and carry out earthing, and then ensure that seed can not be in atmosphere exposed, and then ensure that the survival rate of seed.
Further, pneumatic sower also comprises adjustment spring 5;
One end of adjustment spring 5 is connected with frame 4, and the other end and earthing are taken turns support arm 6 and be connected, for the height regulating earthing to take turns 7.
Adjustment spring 5 is set between earthing wheel support arm 6 and frame 4, effectively can adjust the height of earthing wheel 7, and then the earthing amount of soil pit can be adjusted, can ensure that the seed of every Plants is when earthing amount demand is different, can regulate, and then ensure its growth demand.
Further, the power set of sowing mechanism 9 are hydraulic cylinder.
Power set in sowing mechanism 9, as sowed power set 18 and driving cave power set 19, it can be hydraulic cylinder, by the mode of hydraulic pressure, drives each parts to carry out work.
It is pointed out that it can be hydraulic cylinder, but be not only confined to hydraulic cylinder, it can also be other devices, as cylinder, as electric device etc., as long as can realize providing required power to parts each in transplanter.
Further, the power set of sowing mechanism 9 are cylinder;
Frame 4 is also provided with air compressor and air accumulator 2, the atmosphere storage containing certain pressure produced during for the power take-off of tractor is exported rotatory force, in air accumulator 2, is cylinders providing power.
When sowing power set 18 and drive cave power set 19 for cylinder, air compressor and air accumulator 2 can be set in frame 4, air accumulator 2 is connected by pipeline with each cylinder.The part produced due to pressure when exporting rotatory force at the power take-off of tractor with the atmosphere storage of pressure, can provide certain source of the gas for each cylinder, and then can reduce power consumption and the energy resource consumption of cylinder in air accumulator 2.
Further, plant between case 3 and sowing mechanism 9 and be provided with seed adjustment case 8, for being toggled it in sowing mechanism 9 by the seed in kind of case 3.
For ensureing that the seed in kind of case 3 can not all enter grain conductor 13; seed adjustment case 8 is provided with between kind of case 3 and sowing mechanism 9; seed in kind case 3 is first through seed adjustment case 8; controlled by seed adjustment case 8 pairs of seeds; make the seed simultaneously entered in every root grain conductor 13 can only be one or several; and can not be enter continuously, and then ensure that it can not become drilling.
Pneumatic sower provided by the invention, is introduced into the seed simple grain in kind of case 3 or many at grain conductor 13 in advance and then enters outside in grain conductor 14, then by the folding of cave opener 16, is sown in kind of cave by seed, and then completes sowing.Such vibrational power flow, can have when sowing seed to sow at each sowing mechanism 9, thus effectively avoid the appearance in hole, improve the output of crops.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a pneumatic sower, is characterized in that, comprises frame, tension frame, kind case and at least one sowing mechanism;
Described tension frame is arranged on one end of described frame, for being connected to described frame onward impulse with tractor;
Described kind of case is arranged on above described frame, is connected with the described sowing mechanism be positioned at below described frame by grain conductor;
Sowing mechanism comprises sowing power set, opens cave power set, outer grain conductor, cave opener, opens cave lever and linkage board;
Described sowing power set are fixedly installed in described frame;
Described sowing power set are connected with described outer grain conductor, and described outer grain conductor can be driven to move;
The upper end of described outer grain conductor is connected with described grain conductor, and lower end is connected with described cave opener;
Described one end of opening cave lever is connected with the side of described cave opener, and the other end is connected with described linkage board;
Cave power set are driven described in one end connection of described linkage board;
Described cave power set of opening are fixedly installed in described frame.
2. pneumatic sower according to claim 1, is characterized in that, described outer grain conductor tilts to away from described tension frame direction;
The angle of inclination of described outer grain conductor is 60 °.
3. pneumatic sower according to claim 1, is characterized in that, the both sides of each described sowing mechanism are provided with fertilizing mechanism;
Described fertilizing mechanism comprises fertilising power set, opens cave power set, outer fertilizer guiding tube, cave opener, opens cave lever and linkage board;
Described fertilising power set are fixedly installed in described frame;
Described fertilising power set are connected with described outer fertilizer guiding tube, and described outer fertilizer guiding tube can be driven to move;
The upper end of described outer fertilizer guiding tube is connected with the fertilizer guiding tube being connected fertile case, and lower end is connected with described cave opener;
Described one end of opening cave lever is connected with the side of described cave opener, and the other end is connected with described linkage board;
Cave power set are driven described in one end connection of described linkage board;
Described cave power set of opening are fixedly installed in described frame.
4. the pneumatic sower according to claim 1 or 3, is characterized in that, described cave opener comprises first and opens cave sheet and second and open cave sheet;
Described first opens cave sheet and described second opens cave sheet and is combined rear formation cone;
Described first opens on the sheet of cave and is provided with the first gear, can rotate with the rotation of described first gear;
Described second opens on the sheet of cave and is provided with the second gear, can rotate with the rotation of described second gear;
Described first gear and described second gears meshing;
Described first gear is connected with described cave lever of opening, can described open the effect of cave lever under, realize described first and open cave sheet and described second and open opening and closing between the sheet of cave.
5. pneumatic sower according to claim 1, is characterized in that, also comprises main land wheel;
Described main land wheel is arranged on described frame one end near described tension frame by land wheel support arm.
6. pneumatic sower according to claim 5, is characterized in that, also comprise Triggering Control System;
Described Triggering Control System comprises data processor, proximity switch and time-delay relay;
Described data processor, described proximity switch and described time-delay relay are all arranged in described frame,
Described proximity switch for monitoring described main land wheel operating range, and transfers data to described data processor;
After described data processor receives the data of described proximity switch, after judging that it reaches predetermined stroke, drive described sowing mechanism to sow, and be transferred to described time-delay relay time delayed signal;
Described time-delay relay is connected with described cave power set of opening, for receive described data processor signal after, drive cave power set described in time-delay closing.
7. pneumatic sower according to claim 1, is characterized in that, also comprises earthing wheel and adjustment spring;
Described earthing wheel is arranged on described frame one end away from described tension frame by earthing wheel support arm;
One end of described adjustment spring is connected with described frame, and the other end and described earthing are taken turns support arm and be connected, for the height regulating described earthing to take turns.
8. pneumatic sower according to claim 1, is characterized in that, the power set of described sowing mechanism are hydraulic cylinder.
9. pneumatic sower according to claim 1, is characterized in that, the power set of described sowing mechanism are cylinder;
Described frame is also provided with air compressor and air accumulator, and the atmosphere storage containing certain pressure produced during for the power take-off of tractor is exported rotatory force, in described air accumulator, is described cylinders providing power.
10. the pneumatic sower according to any one of claim 1-9, is characterized in that, is provided with seed adjustment case between described kind of case and described sowing mechanism, for being toggled it in described sowing mechanism by the seed in described kind of case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410411946.7A CN104170565B (en) | 2014-08-20 | 2014-08-20 | Pneumatic seeder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410411946.7A CN104170565B (en) | 2014-08-20 | 2014-08-20 | Pneumatic seeder |
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| CN104170565A CN104170565A (en) | 2014-12-03 |
| CN104170565B true CN104170565B (en) | 2015-06-03 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105144922A (en) * | 2015-09-16 | 2015-12-16 | 安庆市宜秀区永兴农机农艺综合发展专业合作社 | Pneumatic seeder |
| CN108738534B (en) * | 2018-08-09 | 2021-10-22 | 郭在斌 | Soybean planter |
| CN108901264A (en) * | 2018-08-31 | 2018-11-30 | 韩志冀 | Profound sowing bilateral trapezoid multilayer fertilising an animal-drawn seed plough |
| CN110881291B (en) * | 2019-12-26 | 2024-05-03 | 河北农哈哈机械集团有限公司 | Equal plant spacing seed metering device |
| CN112075163B (en) * | 2020-08-14 | 2021-12-10 | 山东省农业机械科学研究院 | Dual-drive type on-film hole-opening seeding device and method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB206583A (en) * | 1922-08-08 | 1923-11-08 | Walter Dunn | Improvements in implements for forming ridges, depositing seeds upon the ridges and covering the seeds |
| JP2627733B2 (en) * | 1994-10-27 | 1997-07-09 | 合資会社田端農機具製作所 | Row width changing device in multi-row fertilizer sowing machine |
| CN2875022Y (en) * | 2005-06-22 | 2007-03-07 | 王守江 | Hand carried type multifunctional seed and fertilizer dibbler |
| CN200962722Y (en) * | 2006-10-31 | 2007-10-24 | 李兆连 | Pedaling type seeding and fertilizing machine |
| CN201094186Y (en) * | 2007-10-09 | 2008-08-06 | 柏应堂 | Seed-fertilizer double cropping dibber |
| CN203984989U (en) * | 2014-08-20 | 2014-12-10 | 开鲁县吉祥农机制造有限责任公司 | Pneumatic sower |
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Effective date of registration: 20191126 Address after: Room 602, building H2, Changyuan road international enterprise community, Wuqing Development Zone, Wuqing District, Tianjin Patentee after: Tianjin Lei Sheng Technology Co., Ltd. Address before: The workers and peasants in Kailu County Tongliao city the Inner Mongolia Autonomous Region Kailu Town Street 028400 No. 7-9 Patentee before: KAILU COUNTY JIXIANG AGRICULTURAL MACHINERY MANUFACTURING CO., LTD. |
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Effective date of registration: 20201105 Address after: Jiang Dong Zhong Bao Cun, Gulou District, Nanjing City, Jiangsu Province, 210000 Patentee after: Gai Nannan Address before: Room 602, building H2, Changyuan road international enterprise community, Wuqing Development Zone, Wuqing District, Tianjin Patentee before: TIANJIN LEISHENG TECHNOLOGY Co.,Ltd. |