CN108551814A - A kind of two-chamber sliding slot shield kind formula rice extractive quantity hole sowing seeder unit - Google Patents
A kind of two-chamber sliding slot shield kind formula rice extractive quantity hole sowing seeder unit Download PDFInfo
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- CN108551814A CN108551814A CN201810220420.9A CN201810220420A CN108551814A CN 108551814 A CN108551814 A CN 108551814A CN 201810220420 A CN201810220420 A CN 201810220420A CN 108551814 A CN108551814 A CN 108551814A
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- hairbrush
- sliding slot
- shield
- seed
- chamber
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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
- A01C7/18—Machines for depositing quantities of seed at intervals
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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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- Soil Sciences (AREA)
- Environmental Sciences (AREA)
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Abstract
The invention discloses a kind of two-chamber sliding slots to protect kind of a formula rice extractive quantity hole sowing seeder unit, is related to technical field of seeding devices, it include plants case, discharge plate, feed shaft, left and right shell, every kind of a hairbrush, a shield kind sliding slot, clear kind of hairbrush etc.；Left and right shell, it is left and right every kind forming left and right seed feeding chamber between hairbrush and discharge plate；The uniformly distributed a certain number of spoonfuls of teeth of round discharge plate end face edge drive spoon tooth, seed are filled in spoonful flute profile hole under the guiding role for leading kind of item with kind of an item, discharge plate is led, seed-bearing spoon tooth is filled after clear kind enters shield kind sliding slot immediately, it realizes shield kind, and enters area of charging seed, charge seed by dead weight；It is equipped with below seeder unit shell and unloads kind of a block, can quickly exclude extra seed.The present invention can realize single-chamber sowing hybrid paddy rice and two-chamber sowing conventional Rice under conditions of being changed without discharge plate, and solve and fill the problems such as kind of a chamber residue seed clears out difficulty, there is the features such as to fill kind of performance good, simple in structure, rice can not only be sowed, moreover it is possible to sow the subsphaeroidal crop such as wheat, soybean.
Description
Technical field
The present invention relates to the technical field of seeding devices in agricultural machinery, and in particular to a kind of two-chamber sliding slot shield kind formula rice precision
Hill-drop feed run is measured, the live streaming of the crops such as rice, wheat and soya bean is suitable for.
Background technology
With the improvement of seed quality, the promotion of weeds in field treatment technology and agronomy are combined closely with agricultural machinery, live streaming
Technology is also widely used；Direct seeding technique has time saving, saving of labor, cost-saving synergistic, saves seedling relative to mechanic rice transplanting
The advantages such as field.
The advantages such as precise sowing technology, which has, saves seed, cost-effective, is not necessarily to thinning, and labor intensity is low, and energy after broadcasting
Meet agriculture requirement, be conducive to plant strain growth, precise sowing technology has become a kind of trend of the following seeding technique development at present.
Feed mechanism for seed directly affects planting with sowing machine effect as seeder core work component.Existing feed mechanism for seed is main
Pneumatic type, mechanical two major classes can be divided into.Pneumatic seeding apparatus is complicated, power consumption is big, but, damage adaptable to seed
It is small；Mechanical seed sowing device to seed damage it is larger, be not easy to realize high-speed job, but it is simple in structure, manufacturing cost is low, repair is replaced
It is convenient.
Major part type hole Type Seed Metering Device at present, the seed adaptability subsphaeroidal to soybean etc. is preferable, and for rice etc.
Then effect is poor for irregular seed, be mainly reflected in fill kind, shield kind, the processes such as clear kind it is difficult, seedling-damaging rate is high.
Invention content
The purpose of the present invention is to provide a kind of two-chamber sliding slots to protect kind of a formula rice extractive quantity hole sowing seeder unit, which can
Overcoming Pneumatic seeding apparatus there are complicated, the of high cost, accuracy of manufacture to require high and mechanical seed sowing device, there are seed damages
Wound is big, seeding precision is low, is not suitable for the problems such as high-speed job, can realize the sowing of defective ejaculation amount cavitation, simple in structure, manufacturing cost
Low, convenient maintenance and replacement unloads kind rapidly, effectively increases sowing efficiency.The present invention can be real under conditions of being changed without discharge plate
Existing single-chamber sowing hybrid paddy rice and two-chamber sow conventional Rice, and solve and fill the problems such as kind of a chamber residue seed clears out difficulty, have and fill
The features such as performance is good, simple in structure is planted, rice can not only be sowed, moreover it is possible to sow the subsphaeroidal crop such as wheat, soybean.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：
A kind of two-chamber sliding slot shield kind formula rice extractive quantity hole sowing seeder unit, including unload kind of a block, left and right shell, side case, mounting ear, kind
Case, shield kind of a sliding slot, feed shaft, discharge plate, mouth of charging seed, every kind of a hairbrush, seeding reel flanges, clear kind of hairbrush, axle sleeve, unload kind of a mouth, clear
Kind hairbrush dovetail card slot, sliding slot protect kind of a groove, every kind of hairbrush dovetail card slot, a flange, it is characterised in that：The side case edge is set
There are a circle flange, the plants case to be embedded in the upper end of side case by end flange, the left and right hull outside is equipped with side case card
Slot, the left and right shell end are equipped with and unload kind of a mouth, it is described unload kind of a block and be secured by bolts in unload at kind of mouth, unclamp bolt,
It can quickly remove down and unload kind of a block, so that extra seed is quickly discharged；The side case is fixed on left and right shell ends by card slot
Face, discharge plate are secured by bolts in discharge plate end face of flange, and seeding reel flanges are secured by bolts in the middle part of feed shaft.
The shield kind sliding slot, every kind of a hairbrush, clear kind of hairbrush, annular groove, every kind of hairbrush dovetail card slot and clear kind of hairbrush
Dovetail card slot is respectively arranged in left and right case inside, described to be mounted on every in kind of hairbrush dovetail card slot every kind of hairbrush, clear kind of hair
Brush is mounted in clear kind of hairbrush dovetail card slot, is convenient for the quick dismounting and change of hairbrush；The end insertion sliding slot shield kind of shield kind sliding slot
In groove.
The shield kind sliding slot end face is equipped with "u"-shaped groove, and the seeding side surface is uniformly distributed 8-16 spoon tooth, spoon
Tooth front end is equipped with and leads kind of an item, is internally provided with the type hole of " inversed taper platform ", leads kind of a leading seeds, keeps seed smooth along long axis direction
It is filled in type hole；Shield kind chamber is formed between the spoon tooth and "u"-shaped groove, to realize shield kind.
The left and right shell, discharge plate form left and right seed feeding chamber between kind of hairbrush three.
The seed inlet is located at left and right shell lower end, is in the shape of a hoof, is docked with the entrance of side case.
The mounting ear is secured by bolts in left and right shell both sides；The mouth of charging seed is secured by bolts in left and right
Shell lower end can smoothly enter into mouth of charging seed with the outlet of shield kind sliding slot to the seed for just, being detached from shield kind sliding slot, and realization is charged seed.
Described left and right axle sleeve one end is connect with the bearing face on the shell of left and right, the other end and discharge plate section of flange
Connection.
Further, be equipped with semicircle pressure reductor on the inside of the described side case, with horizontal plane it is at 45 °~60 ° of angles, semicircle
Shape pressure reductor is used to share pressure of kind of the upper box part seed to filling kind of region.
Further, the end face for unloading kind of block is arc.
Further, it is described every kind of hairbrush be hard nylon, to be double, so as to ensure areas Chong Zhong and charging seed separate from.
The component of most critical of the present invention is discharge plate and shield kind sliding slot, and existing machinery formula feed mechanism for seed is mostly sheave or nest wheel
Formula, application rate is larger, fills kind more difficult, is not suitable for precision drilling；Shield kind dress used by existing machinery formula feed mechanism for seed simultaneously
Mostly rigid seeds protecting plate or elasticity shield kind band are set, is easy to shear Seed Development or squeeze during rigid seeds protecting plate shield kind, make
It is damaged at seed, influences seed viability, flexibility shield kind band reduces the damage to seed to a certain extent, but due to most
Using rubber, it is easy aging, service life is short；The present invention is in order to solve the above technical problems, devise the spoon tooth knot that band leads kind of item
Structure can ensure that spoon flute profile hole interior energy accommodates a quantity of seeds, reaches precision drilling when filling kind；Also devise one kind simultaneously
Shield kind sliding slot, shield kind sliding slot camber, slot is at U-typed, and spoon tooth outer surface is also at U-typed, and the two is worked in coordination, when filled with kind
When the spoon tooth of son is entered in shield kind sliding slot, a shield kind chamber is formed between former and later two spoonful of tooth and shield kind sliding slot, seed is eventually
Fall off and rested on previous spoon tooth terminal slope out of type hole, finally realize and charge seed, prevent seed damaged, it is ensured that seed at
Cave.
The operation principle of the present invention is that：
The operation interval of this feed mechanism for seed can be divided into the areas Chong Zhong, the areas Qing Zhong, the areas Hu Zhong, four, area part of charging seed.Left and right shell, every kind
Left and right is formed between hairbrush, discharge plate and fills kind of a chamber, and shield kind chamber is formed between discharge plate spoon tooth and shield kind sliding slot end face "u"-shaped groove.
When discharge plate does rotary motion with feed shaft, the uniformly distributed spoon tooth of seeding side surface enters kind of an ascus in type hole, and kind is filled in realization；Through
After crossing clear kind of clear kind of hairbrush, fills seed-bearing spoon tooth and enter shield kind chamber realization shield kind；Arrival is charged seed area, and spoon tooth is detached from shield kind
Chamber, seed are fallen out of type hole by dead weight into mouth of charging seed, and realization is charged seed, and a seeding period is completed.
Compared with prior art, the advantages of the present invention are：
（1）The present invention is used is equipped with the spoon tooth that band leads kind of item in seeding side surface so that spoon tooth itself has guide function, it is ensured that
Type hole fills kind reliably, avoids broadcast leakage.
（2）Seeds protecting plate is designed to chute-type by the present invention, designs shield kind detent ends face ring slot according to spoon tooth outline structure
At "u"-shaped groove, after ensureing that spoon tooth enters shield kind sliding slot, one small shield kind can be formed between former and later two spoonful of tooth and shield kind sliding slot
Chamber ensures shield kind reliability.
（3）The present invention is internally provided with the semicircle pressure reductor from the horizontal by certain angle in side case, can alleviate plants case
Interior seed plants the pressure of seed feeding chamber conducive to filling.
（4）The present invention is separated out areas Chong Zhong and charging seed every kind of hairbrush using double, it can be efficiently reduced compared with every kind of plate
Friction between remaining discharge plate.
（5）The present invention is double cavity structure, and left and right plants case separates, and the smaller hybrid paddy rice of the amount of broadcasting can be sowed by single-chamber,
Two-chamber sows the larger conventional Rice of the amount of broadcasting.
（6）The present invention can realize sowing wheat, peanut and other crops by the discharge plate and shield kind sliding slot for replacing different type holes.
（7）The present invention is using simply unloading kind of a block, after sowing, can quickly unclamp bolt and removes and unload kind of a block, realization
Thoroughly, clear kind quick.
Description of the drawings
Fig. 1 is a kind of two-chamber sliding slot shield kind formula rice extractive quantity hole sowing seeder unit front view；
Fig. 2 is a kind of sectional view along A-A of two-chamber sliding slot shield kind formula rice extractive quantity hole sowing seeder unit front view；
Fig. 3 is a kind of axis side schematic diagram of the installation diagram of two-chamber sliding slot shield kind formula rice extractive quantity hole sowing seeder unit；
Fig. 4 is a kind of axis side schematic diagram of the left and right shell of two-chamber sliding slot shield kind formula rice extractive quantity hole sowing seeder unit；
Fig. 5 is a kind of discharge plate structural schematic diagram of two-chamber sliding slot shield kind formula rice extractive quantity hole sowing seeder unit（Fig. 5（a）For main view
Figure, Fig. 5（b）For Fig. 5（a）E-E is to sectional view）；
Fig. 6 is a kind of discharge plate flange arrangement schematic diagram of two-chamber sliding slot shield kind formula rice extractive quantity hole sowing seeder unit（Fig. 6（a）For
Front view, Fig. 6（b）For Fig. 6（a）C-C is to sectional view）；
Fig. 7 is a kind of shield kind sliding groove structure schematic diagram of two-chamber sliding slot shield kind formula rice extractive quantity hole sowing seeder unit（Fig. 7（a）Based on
View, Fig. 7（b）For left view；
Fig. 8 is a kind of side box structure schematic diagram of two-chamber sliding slot shield kind formula rice extractive quantity hole sowing seeder unit（Fig. 8（a）For front view,
Fig. 8（b）For Fig. 8（a）B-B direction sectional view）；
Fig. 9 is a kind of mounting ear structure schematic diagram of two-chamber sliding slot shield kind formula rice extractive quantity hole sowing seeder unit（Fig. 9（a）For part
Sectional view, Fig. 9（b）For left view）；
Figure 10 is a kind of mouth structure schematic diagram of charging seed of two-chamber sliding slot shield kind formula rice extractive quantity hole sowing seeder unit（Figure 10（a）Based on
View, Figure 10（b）For Figure 10（a）D-D is to sectional view）；
Figure 11 unloads kind of a block structure schematic diagram for a kind of two-chamber sliding slot shield kind formula rice extractive quantity hole sowing seeder unit（Figure 11（a）Based on
View, Figure 11（b）For left view）；
Wherein, 1 is unloads kind of a block, and 2 be left and right shell, and 21 is unload kind of a mouth, and 22 be seed inlet, and 23 be clear kind of hairbrush dovetail card slot, and 24
Kind of a groove is protected for sliding slot, 25 is, every kind of a hairbrush dovetail card slot, 3 are side case, and 31 be semicircle pressure reductor, and 32 be flange, and 4 be installation
Ear, 5 be plants case, and 6 be shield kind sliding slot, and 61 be "u"-shaped groove, and 7 be feed shaft, and 8 be discharge plate, and 81 be spoon tooth, and 82 be type hole, and 83 are
Kind of an item is led, 9 be mouth of charging seed, and 10 is, every kind of a hairbrush, 11 are seeding reel flanges, and 12 be clear kind of hairbrush, and 13 be left and right axle sleeve, and 26 are
Card slot.
Specific implementation mode
The present invention will be further described below with reference to the drawings.
Embodiment 1：
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, an a kind of two-chamber sliding slot shield kind formula rice extractive quantity hole sowing seeder unit, including unload kind of block 1,
Left and right shell 2, side case 3, mounting ear 4, plants case 5, shield kind of a sliding slot 6, feed shaft 7, discharge plate 8, mouth 9 of charging seed, every kind of hairbrush 10, row
Kind of reel flanges 11, clear kind of hairbrush 12, left and right axle sleeve 13, unload kind of mouth 21, clear kind of hairbrush dovetail card slot 23, a sliding slot shield kind groove 24,
Every kind of hairbrush dovetail card slot 25, a flange 32, it is characterised in that：3 edge of side case is equipped with a circle flange 32, the plants case
5 are embedded in the upper end of side case 3 by end flange, and 2 outside of left and right shell is equipped with side case card slot 26, the left and right shell
2 ends are equipped with and unload kind of mouth 21, it is described unload kind of block 1 and be secured by bolts in unload at kind of mouth 21；The side case 3 passes through card slot 26
It is fixed on 2 end face of left and right shell；The mounting ear 4 is secured by bolts in 2 both sides of left and right shell, is convenient for the peace of feed mechanism for seed
Dress.Discharge plate 8 is secured by bolts in 11 end face of seeding reel flanges, and seeding reel flanges 11 are secured by bolts in feed shaft 7
Portion；The mouth 9 of charging seed is secured by bolts in 2 lower end of left and right shell, with the outlet of shield kind sliding slot 6 to just, being detached from shield kind sliding slot 6
Seed can smoothly enter into mouth 9 of charging seed, realization is charged seed.It is the shield kind sliding slot 6, recessed every kind of hairbrush 10, clear kind of hairbrush 12, annular
Slot 24 is respectively arranged in 2 inside of left and right shell every kind of hairbrush dovetail card slot 25 and clear kind of hairbrush dovetail card slot 23, described every kind
Hairbrush 10 is mounted on every in kind of hairbrush dovetail card slot 25, and clear kind of hairbrush 12 is mounted in clear kind of hairbrush dovetail card slot 23, and shield kind is slided
In the end insertion sliding slot shield kind groove 24 of slot 6；Seed inlet 22 is located at 2 lower end of left and right shell, is in the shape of a hoof, with entering for side case 3
Mouth docking；Left and right shell 2, discharge plate 8 form left and right seed feeding chamber between 10 three of kind of hairbrush.The left and right axle sleeve 13 1
End is contacted with the bearing face on left and right shell 2, and the other end is contacted with 11 end face of seeding reel flanges, is positioned to discharge plate 8.
As shown in Figure 1, Figure 2, Figure 5,8 end face of discharge plate is uniformly distributed 8~16 spoon teeth 81, and 81 front end of spoon tooth is set
Kind of item 83 is led, spoon tooth 81 is internally provided with the type hole 82 similar to " inversed taper platform "；The effect for leading kind of item 83 is leading seeds, makes kind
Son is smoothly filled with along long axis direction in type hole 82.
As shown in Figure 1, Figure 2, shown in Fig. 5, Fig. 7, the U-shaped of spoon tooth 81 and 6 end face of shield kind sliding slot on 8 end face of discharge plate
Shield kind chamber is formed between slot 61, to realize shield kind.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 7, Fig. 8,3 edge of side case be equipped with one circle flange 32, flange 32 with
The card slot 26 in 2 outside of left and right shell matches, and so that side case 3 is facilitated in the card slot 26 in 2 outside of embedded left and right shell, while side case
3 insides are equipped with semicircle pressure reductor 31, with horizontal plane it is at 45 °~60 ° of angles, for sharing 5 top seed of plants case to filling kind
The pressure of room.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Figure 11, kind of the block 1 that unloads is to unload kind of mouth 21 on end face and left and right shell 2
The corresponding arc of cambered surface unloads kind of block 1, is secured by bolts in unloading at kind of mouth 21 for left and right shell 2, unclamps bolt, can quickly take
Under unload kind of block 1, so that extra seed is quickly discharged.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, it is described every kind of hairbrush 10 be hard nylon, to be double, to ensure to fill kind
Area and charging seed separate from.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, seed passes through plants case 5, side
Case 3, which enters, fills kind of a chamber, and the discharge plate 8 being connect with seeding reel flanges 11 does rotary motion under the drive of feed shaft 7, is distributed on
By leading the combing of kind of item 83, by seed, smoothly capsule enters in type hole 82 the spoon tooth 81 of 8 end face of discharge plate, fills seed-bearing spoon tooth
81 realize clear kind under the action of clear kind of hairbrush 12, and the shield kind chamber formed into spoon tooth 81 with shield kind sliding slot 6 realizes shield kind, into
After entering area of charging seed, spoon tooth 81 is detached with shield kind sliding slot 6, and seed slides from shield kind chamber, and into mouth 9 of charging seed, realization is charged seed.
Claims (4)
1. a kind of two-chamber sliding slot shield kind formula rice extractive quantity hole sowing seeder unit, including unload kind of a block (1), left and right shell（2）, side case（3）、
Mounting ear（4）, plants case（5）, shield kind of a sliding slot（6）, feed shaft（7）, discharge plate（8）, mouth of charging seed (9), every kind of a hairbrush（10）, seeding
Reel flanges (11), axle sleeve (13), unload kind of a mouth at clear kind of hairbrush (12)（21）, clear kind of hairbrush dovetail card slot（23）, sliding slot shield kind of a groove
（24）, every kind of a hairbrush dovetail card slot（25）, flange（32）, it is characterised in that：The side case（3）Edge is equipped with a circle flange
（32）, the plants case（5）It is embedded in side case by end flange（3）Upper end, the left and right shell（2）Outside is equipped with side case
Card slot（26）, the left and right shell（2）End is equipped with and unloads kind of a mouth（21）, described unloads kind of a block（1）It is secured by bolts in and unloads
Kind mouth（21）Place；The side case（3）Pass through card slot（26）It is fixed on left and right shell（2）End face, the mounting ear（4）Pass through
Bolt is fixed on left and right shell（2）Both sides；Discharge plate（8）It is secured by bolts in seeding reel flanges（11）End face, discharge plate method
It is blue（11）It is secured by bolts in feed shaft（7）Middle part, the mouth of charging seed（9）It is secured by bolts in left and right shell（2）Under
End, with shield kind sliding slot（6）Outlet is to just；The shield kind sliding slot（6）, every kind of a hairbrush（10）, clear kind of hairbrush（12）, annular groove
（24）, every kind of a hairbrush dovetail card slot（25）With clear kind of hairbrush dovetail card slot（23）It is respectively arranged in left and right shell（2）Inside, it is described
Every kind of a hairbrush（10）Mounted on every kind of a hairbrush dovetail card slot（25）It is interior, clear kind of hairbrush（12）Mounted on clear kind of hairbrush dovetail card slot
（23）It is interior, shield kind sliding slot（6）End insertion sliding slot shield kind of a groove（24）In；Seed inlet（22）Positioned at left and right shell（2）Lower end,
In the shape of a hoof and side case（3）Entrance docking；The shield kind sliding slot（6）End face is equipped with U-lag（61）, the discharge plate
（8）End face is distributed 8-16 spoon tooth（81）, spoon tooth（81）Front end is equipped with and leads kind of an item（83）, it is internally provided with the type hole of inversed taper platform
（82）, the spoon tooth（81）With U-lag（61）Between form shield kind of a chamber；The left and right shell（2）, discharge plate（8）, every kind
Hairbrush（10）Left and right seed feeding chamber is formed between three；The left and right axle sleeve（13）One end and left and right shell（2）On bearing end
Face connects, the other end and seeding reel flanges（11）Section connects.
2. a kind of two-chamber sliding slot shield kind formula rice extractive quantity hole sowing seeder unit according to claim 1, it is characterised in that：It is described
Side case（3）Inside is equipped with semicircle pressure reductor（31）, with horizontal plane it is at 45 °~60 ° of angles.
3. a kind of two-chamber sliding slot shield kind formula rice extractive quantity hole sowing seeder unit according to claim 1, it is characterised in that：It is described
Unload kind of a block（1）End face be arc.
4. a kind of two-chamber sliding slot shield kind formula rice extractive quantity hole sowing seeder unit according to claim 1, it is characterised in that：It is described
Every kind of a hairbrush（10）It is double for hard nylon.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810220420.9A CN108551814A (en) | 2018-03-16 | 2018-03-16 | A kind of two-chamber sliding slot shield kind formula rice extractive quantity hole sowing seeder unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810220420.9A CN108551814A (en) | 2018-03-16 | 2018-03-16 | A kind of two-chamber sliding slot shield kind formula rice extractive quantity hole sowing seeder unit |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109937652A (en) * | 2019-04-30 | 2019-06-28 | 安徽农业大学 | The optional double side-feeding rice extractive quantity hole sowing seeder unit of one kind amount of broadcasting |
| CN110447351A (en) * | 2019-09-19 | 2019-11-15 | 中国农业大学 | A kind of Brush type precise seeder |
| CN110558006A (en) * | 2019-10-12 | 2019-12-13 | 江西农业大学 | rice seed metering device |
| CN111010946A (en) * | 2020-01-17 | 2020-04-17 | 湖南农业大学 | Lossless sowing mechanism based on dynamic volume adjustment |
| CN111543144A (en) * | 2020-05-21 | 2020-08-18 | 哈尔滨市农业科学院 | Seeder of rice direct seeder |
| CN111587638A (en) * | 2020-06-02 | 2020-08-28 | 哈尔滨市农业科学院 | Rice hole direct seeding mechanism capable of achieving precise seed taking on two sides |
| CN112042335A (en) * | 2020-09-23 | 2020-12-08 | 扬州大学 | Disc type telescopic tooth seed discharging device |
| CN114009187A (en) * | 2021-10-22 | 2022-02-08 | 北京市农林科学院智能装备技术研究中心 | Electric-driven precision rice direct seeding seed sowing device |
| CN115024052A (en) * | 2022-07-08 | 2022-09-09 | 甘肃农业大学 | Direct-inserting dibbler |
| CN115299222A (en) * | 2022-09-09 | 2022-11-08 | 华中农业大学 | Rice hill-drop seed metering ware |
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