CN107615952A - Blowing-type metering device - Google Patents
Blowing-type metering device Download PDFInfo
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- CN107615952A CN107615952A CN201710954329.5A CN201710954329A CN107615952A CN 107615952 A CN107615952 A CN 107615952A CN 201710954329 A CN201710954329 A CN 201710954329A CN 107615952 A CN107615952 A CN 107615952A
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- seed
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Abstract
The present invention relates to a kind of blowing-type metering device of precision drill.Blowing-type metering device includes housing, cap, discharge plate, discharge plate positioning adjustment mechanism, hairbrush one, hairbrush two, hairbrush three and flow rate adjustment mechanism, the discharge plate positioning adjustment mechanism is connected through mounting hole among housing with housing, discharge plate is arranged on discharge plate positioning adjustment mechanism, the housing is provided with fresh air inlet, fresh air inlet both sides are respectively equipped with hairbrush one and hairbrush two in housing, hairbrush three is housed in the outside of housing Interior hairbrush two, the housing in the outside of hairbrush two is provided with sowing port, and air pressure detector is also equipped with housing and enters kind of an amount adjustment mechanism.The application feed mechanism for seed is because be that power source drives blower fan to produce positive air pressure, and feed mechanism for seed air pressure requires small, and application rate is accurate, and injuring-free seed, the slight gas leakage of system does not interfere with seeding quality yet.
Description
Technical field
The present invention relates to a kind of agricultural seeding machinery, the air-sweeping type seeding of specifically a kind of precision drill
Device.
Background technology
Sowing is a basic link of agricultural production.The quality of seeding quality will have influence on later emergence rate and yield
Height problem.With the development of modern technologies, the technical merit of seeder there has also been further raising.Especially present essence
Close seeder, precision drill, which has, saves kind of a grain, and without thinning, Precision Seeding field plant is evenly distributed, and reaches rational close planting, profit
In the seedling growth the advantages of.For precision drill, core position is exactly feed mechanism for seed, and it is to determine seeder work quality
And an important factor for performance quality.Its effect be by the seed in seeder seed-box dredge into uniform kind subflow or
Single seed, to control application rate, realize uniformly sowing.
At present, China's precision drill feed mechanism for seed pattern mainly has finger-clipping type seed metering device, air-suction seeding unit and air-sweeping type
Feed mechanism for seed.Finger-clipping type seed metering device requires higher to the size and shape of seed grain, seed size is uneven easily produce hole and
Double grains；Air-suction seeding unit usually requires power output shaft and drives blower fan to produce negative pressure, and vacuum level requirements are higher, and fanman leads height
Consumption is big, and drive mechanism is more complicated, and vacuum chamber air-tightness requires also higher, once slight gas leakage occur will influence to arrange in system
Kind effect；Current existing Air-blow Type Seed-metering Device enters kind of an amount regulation inconvenience, discharge plate positioning adjustment mechanism simple structure, discharge plate
Stress is small, unstable with respect to the flatness of housing, is cleared out seed unnecessary in kind of groove using air-flow by valve, only retains one
Grain seed, it is strict to stable gas pressure and size requirements, and also the method can not play work for the kind grain of light weight, small volume
With, cause broadcast leakage, replay phenomenon.
Now it is badly in need of a kind of accurate application rate for overcoming drawbacks described above, efficiency high, to the less demanding seeding of stable gas pressure
Device.
The content of the invention
The invention aims to provide a kind of blowing-type metering device of precision drill, the blowing-type metering device utilizes dynamic
Power source drives draught fan impeller, produces positive air pressure and carries out seeding, it is not necessary to worries the slight gas leakage of system, has seeding operation stabilization, makes an uproar
Sound is small, efficiency high, saves energy consumption, the advantages that application rate is accurate, injuring-free seed is sub-；Ease for maintenance and durability are better than other seedings
Device, various crop can be sowed by changing discharge plate.
The technical scheme is that：
Blowing-type metering device includes housing, cap, discharge plate, discharge plate positioning adjustment mechanism, hairbrush one, hairbrush two, hairbrush three
With flow rate adjustment mechanism, the discharge plate positioning adjustment mechanism is connected through mounting hole among housing with housing, discharge plate peace
On discharge plate positioning adjustment mechanism, the housing is provided with fresh air inlet, and case inside fresh air inlet both sides are respectively equipped with hairbrush
One and hairbrush two, hairbrush three be housed in the outside of housing Interior hairbrush two, the housing in the outside of hairbrush two is provided with sowing port, housing it is interior and also
Equipped with air pressure detector and enter kind of an amount adjustment mechanism.
The beneficial effects of the invention are as follows：
1st, the application feed mechanism for seed is because be that power source drives blower fan to produce positive air pressure, and feed mechanism for seed air pressure requires small, and application rate is accurate,
Injuring-free seed, the slight gas leakage of system do not interfere with seeding quality yet.
2nd, the application feed mechanism for seed hairbrush is divided into three parts, hairbrush one be responsible for cleaning the kind grain that is adsorbed outside seed distributing groove but not
Impacted to entering the kind grain in seed distributing groove, ensure that seed is simple grain in groove, hairbrush two is responsible for isolation blast, made outside hairbrush two
The part of side does not have blast, will not do freely falling body to kind of a grain and interfere, and hairbrush three is responsible for hairbrush two isolating blast region
Kind grain on interior discharge plate kind groove is pressed against in seed distributing groove, it is just dropped after reaching sowing port.
3rd, the application feed mechanism for seed is provided with discharge plate positioning adjustment mechanism, can be by discharge plate by rotating discharge plate connecting seat
Fix and unload, facilitate discharge plate to load and unload, the seed of various crop can be sowed by changing different discharge plates.
4th, the application feed mechanism for seed is provided with into kind of amount governor motion and can controlled into the kind grain amount in feed mechanism for seed, prevents kind of a grain
Accumulation, influences seeding effect.
5th, feed mechanism for seed shell is made up of housing and cap, and the two is by connector and snaps connection.Housing uses aluminium
Casting forms, and cost is low, good manufacturability, corrosion resistance is strong, density is small, with specific strength height.Lid shell and buckle material are work respectively
Engineering plastics and elastomeric material, buckle is fixed on the connection pawl of cap, elasticity and intensity can buffer seeder work well
Damage caused by Shi Zhendong.
Brief description of the drawings
Fig. 1 is the application feed mechanism for seed structural decomposition diagram.
Fig. 2 is the application housing and hairbrush one, hairbrush two, hairbrush three, enters kind of amount governor motion and discharge plate positioning adjusts
Mechanism scheme of installation.
Fig. 3 is the application discharge plate structural representation.
Fig. 4 is that the application feed mechanism for seed removes structural representation after cap.
Fig. 5 is that the application discharge plate positions adjustment mechanism schematic diagram.
Fig. 6 is that the application discharge plate positions adjustment mechanism decomposing schematic representation.
Fig. 7 is the structural representation of the application hairbrush one.
Fig. 8 is Fig. 7 left views.
Fig. 9 is the structural representation of the application hairbrush two.
Figure 10 is the structural representation of the application hairbrush two.
Figure 11 is Figure 10 upward view.
Figure 12 is the application hairbrush fixed mount schematic diagram.
Figure 13 is the structural representation of the application hairbrush three.
Figure 14 is that the application enters kind of an amount governor motion schematic diagram.
Figure 15 is the application regulation handle schematic diagram.
Figure 16 is that the application enters kind of a baffle structure schematic diagram.
Figure 17 is the application regulation handle and the fixed handle calibrating jig structural representation being arranged on feed mechanism for seed frame.
Figure 18 is the application shell cover structure schematic diagram.
Figure 19 is the application buckle structure schematic diagram.
Figure 20 is the application housing, cap and buckle overall structure diagram.
Figure 21 is the application discharge plate connecting base structure schematic diagram.
Figure 22 is the application discharge plate connecting seat bottom surface structure schematic diagram.
Figure 23 is the application discharge plate location seat structure schematic diagram.
Embodiment
For defect present in prior art, a kind of new blowing-type metering device of inventor's innovation and creation.
Blowing-type metering device includes housing 1, cap 11, discharge plate 10, discharge plate positioning adjustment mechanism 7, hairbrush 1, hair
Brush 28, hairbrush 39 and enter kind of an amount adjustment mechanism 6, the discharge plate positioning adjustment mechanism 7 passes through 1 middle mounting hole of housing and shell
Body 1 is connected, and discharge plate 10 is arranged on discharge plate positioning adjustment mechanism 7, and the housing 1 is provided with fresh air inlet 13, entered in housing 1
The both sides of air holes 13 are respectively equipped with hairbrush 1 and hairbrush 28, and hairbrush 39 is housed in the outside of 1 Interior hairbrush of housing 28, outside hairbrush 28
The circumferential wall of housing 1 of side is provided with sowing port 15, also is provided with sowing port on cap with housing sowing port correspondence position, in housing 1
It is also equipped with air pressure detector 3 and enters kind of an amount adjustment mechanism 6.
The hairbrush 1 is made up of the base 36 of hairbrush one and the brush filament A35 filled on the base 36 of hairbrush one, the brush filament
A35 forms an angle with the base 36 of hairbrush one.
The hairbrush 28 includes the base 39 of hairbrush two, and slideway 63 is longitudinally provided with the base 39 of hairbrush two, is set in slideway 63
There is brush filament B38, the inner side of two base of hairbrush 39 is provided with hairbrush fixed mount 4, and the rear end of hairbrush fixed mount 4 is pressed on the base 39 of hairbrush two,
Front end and the bolt connection of housing 1, the outside of two base of hairbrush 39 are provided with flanging 37, the flanging 37 by with the base 39 of hairbrush two
The stile A61 of connection, the horizontal edge 62 for being connected and stretching out with stile A upper ends and the riser B65 compositions set on horizontal edge.
The hairbrush 39 is made up of the base 41 of hairbrush three and the brush filament C40 filled on the base 41 of hairbrush three, the brush filament
C40 is vertically arranged with the base 41 of hairbrush three.
The discharge plate positioning adjustment mechanism 7 includes feed mechanism for seed axle 21, and feed mechanism for seed axle one end is provided with internal thread, and the other end has
External screw thread, it is sequentially arranged with feed mechanism for seed axle 21 and loads onto discharge plate connecting seat 26, discharge plate positioning successively on feed mechanism for seed axle 21
Seat 27, bearing 28, wave washer 29, woodruff key 31, fluting plain cushion 32 and sprocket wheel 33, feed mechanism for seed axle 21 pass through bearing 28 and housing
1 connection, discharge plate connecting seat 26 and discharge plate positioning seat 27 are on the inside of housing 1, and sprocket wheel 33 is in the outside of housing 1, the feed mechanism for seed
The axis body for having screw thread side inside axle 21 is provided with the groove A20 of longitudinal direction, on the hole wall of 28 middle mounting hole of discharge plate positioning seat
Provided with the fin A56 to match with the groove A20 on feed mechanism for seed axle 21, the main body of discharge plate connecting seat 26 is in terrace edge shape,
The incline position of main body is provided with the connecting pin 64 extended downwardly, and the bottom of connecting pin 64 is provided with projection 54 and discharge plate fixed adjustment groove
19 coordinate progress discharge plate 10 to load and unload, and the discharge plate connecting seat bottom part body surrounding is uniformly provided with multiple fin B55, discharge plate
Positioning seat 27 is provided with the groove B57 to match with fin B55 with the connecting end surface of discharge plate connecting seat 26.
The discharge plate 10 includes main body, and connecting hole is provided among main body, and the connecting hole profile positions with discharge plate
27 exterior contours of seat are identical, and the body side excircle of discharge plate 10 is provided with seed distributing groove 18, and outer circumference surface is provided with vent 17,
Vent 17 is connected with seed distributing groove 18, and discharge plate fixed adjustment groove 19 is provided with around main body opposite side connecting hole.
It is described enter kind of amount governor motion 6 include entering kind of catch 45 in housing 1, regulation handle 48 and seeding outside housing 1
Fixed handle calibrating jig on device frame 5, square cotter axle 46 use spiral shell after passing through into kind of catch 45, housing 1, regulation handle 48, spring 44
Bolt 42 is fixed, and the fixed handle calibrating jig on the feed mechanism for seed frame 5 is provided with multiple scale holes 49, regulation handle 48 be provided with
The convex pin 47 of scale hole matching.
The housing 1 is connected with cap 11 by connector and buckle 52, and the inner side of housing 1 is in addition to sowing port 15
Outer ring is provided with seal groove, and the position of the seal groove corresponding with the outer ring contact portion of housing 1 of cap 11 is provided with sealing strip, the company
Fitting is the connector A16 with slot being provided with by the outer ring of housing 1 and is arranged on the outer ring of cap 11 and connector A16
Slot matching projection 51 composition, the buckle 52 is elastomeric material, and buckle 52 is provided with multiple connecting holes 53, in shell
The outer ring of body 1 is provided with connecting edge 12, is provided with multiple connection pawls 50 on cap 11 with 1 connecting edge of housing, 12 corresponding position,
Buckle 52 is connected the connection pawl 50 in the connecting edge 12 and cap 11 on housing 1 using connecting hole 53.
The application feed mechanism for seed is described in detail below in conjunction with the accompanying drawings：
As shown in Fig. 1,2,4, blowing-type metering device includes housing 1, cap 11, hairbrush 1, hairbrush 28, hairbrush 39, discharge plate
10th, discharge plate positions adjustment mechanism 7, enters kind of an amount governor motion 6, discharge plate 10, air pressure detector 3, hairbrush fixed mount 4.Seeding
Device is connected by feed mechanism for seed frame 5 with seeder.
As shown in Figure 7,8, described hairbrush 1 is made up of the base 36 of hairbrush one and brush filament A35 of plastics.Hairbrush 1 is logical
Two Cross Recess Head Screw M5 × 20, nut M5, plain washer Φ 5 are crossed on housing 1.
As shown in Fig. 2,9,10,11,12, described hairbrush 28 includes brush filament B38, the base 39 of hairbrush two.Hairbrush 28
Outside bolt M8 × 20 60, nut M8, big flat washer Φ 8 are arranged on housing 1 and feed mechanism for seed frame 5, and bolt 60 passes through hairbrush
28 bolt hole and housing 1 on the direction housing 1 of sowing port 15 is connected with the nut being welded on feed mechanism for seed frame 5, hairbrush two
8 inner side is fixed on shell with two hairbrush fixed mounts 4 by two bolt M8 × 25, nut M8, plain washer Φ 10, wave washer
On body 1 and feed mechanism for seed frame 5, M8 nut-weldings are in the correspondence position of feed mechanism for seed frame 5.The outside of two base of hairbrush 39 is provided with flanging 37, institute
Flanging 37 is stated by the stile A61 being connected with the base 39 of hairbrush two, the horizontal edge 62 for being connected and stretching out with stile A upper ends and in horizontal stroke
The riser B65 compositions set on side.
As shown in Fig. 2,13, hairbrush 39 is made up of the base 41 of hairbrush three and brush filament C40 of plastics, passes through the flanging of hairbrush 28
Hairbrush 39 is pressed abd fixed on housing by 37 stile A61 and horizontal edge 62, and riser B65 can play the brush filament of righting hairbrush three
Effect.
As shown in Figure 14,15,16,17, enter kind of amount governor motion 6 by enter kind of catch 45, regulation handle 48, square cotter axle 46,
Fixed handle calibrating jig 59 on spring 44, plain washer 43, bolt 6 × 15 42 and feed mechanism for seed frame 5 forms.Enter kind of an amount regulation machine
Structure 6 is by square cotter axle 46（Band internal thread）Pass through into kind of catch 45, seeder unit shell 1, regulation handle 48, spring 44 and be enclosed on square cotter axle
On 46, plain washer 43 is pressed on spring 44, bolt 6 × 15 42 penetrate plain washer 43 and are fastened on the top of square cotter axle 46, compress bullet
Spring 44.Regulation handle 48 can lift rotation in the presence of spring 44, arranged by the convex pin 47 changed in regulation handle 48
The position in the different scale holes 49 of fixed handle calibrating jig 59 on kind of device frame 5, adjust opening into kind of catch 45 and seeder unit shell 1
14 sizes of mouth, so as to realize into kind of a regulation for amount.
As shown in Fig. 5,6,21,22,23, described discharge plate positioning adjustment mechanism 7 successively include bolt M8 × 16 23,
Spring pressure pad 24, spring 25, discharge plate connecting seat 26, discharge plate positioning seat 27, bearing 28, wave washer 29, axle are kept off with elasticity
Circle 30, woodruff key 31, fluting plain cushion 32, sprocket wheel 33, locking thin nut M14 × 1.5 34.Discharge plate positioning adjustment mechanism 7 is installed
Mode is：Discharge plate positioning seat 26 is carried on the mounting hole and axis body of fin 56 by inside with fluted 20 feed mechanism for seed axle 21
Corresponding insertion is fixed, and the upper spring pressure pad 24 of the pressure of spring 25 is put into discharge plate connecting seat 26 and is fastened on feed mechanism for seed axle with bolt 23 again
On 21, circlip for shaft 30 is arranged on discharge plate positioning seat 27 close on the circlip groove of shaft end, adjacent installation upper bearing (metal) 28, leads to
Cross the outer ring of bearing 28 to be fixed on the inside of seeder unit shell 1 with the cooperation of the centre bore of seeder unit shell 1, outside another side bearing 28 of housing 1
The same method of wave washer 29 is arranged on feed mechanism for seed axle 21 on snare, and the outer ring of bearing 28 coordinates with the centre bore of seeder unit shell 1,
The inner ring of bearing 28 coordinates with feed mechanism for seed axle 21, and woodruff key 31 is arranged in the half slot 22 on axle 21, first penetrates fluting plain cushion
32, then sprocket wheel 33 is penetrated, finally fastened with nut 34.The discharge plate that discharge plate 10 is arranged on discharge plate positioning adjustment mechanism 7 is determined
On the seat 27 of position, rotation discharge plate connecting seat 26, pass through the discharge plate fixed adjustment groove 19 on discharge plate 10 and discharge plate connecting seat
The cooperation position of 26 bottom surface projections 54 carries out discharge plate 10 and dismounted.
As shown in Figure 1, 2, air pressure detector 3 is fastened by the outside of seeder unit shell 1 insertion housing 1, then by nut, can
To detect pressure in housing 1.
The course of work
This blowing-type metering device positions the chain in adjustment mechanism with dynamic metering plate by the transmission system of air-sweeping type seeder and rotated
It is dynamic, so as to be rotated with dynamic metering plate, the air pressure in discharge plate is passed to air pressure to wind, air pressure detector by feed mechanism for seed air inlet
Table, the hydraulic flow that the air pressure in discharge plate passes through hydraulic blower system（Control）Fan delivery is adjusted, and is adjusted by entering kind of an amount
Mechanism controls enter feed mechanism for seed kind amount, and hairbrush one is responsible for cleaning the kind grain adsorbed outside kind of groove, and hairbrush two is responsible for isolation blast, makes hair
The part in the outside of brush two does not have blast, kind of a grain will not be done vertically to fall seed and interfere, hairbrush three is responsible for hairbrush two isolating wind
Kind grain on intermediate pressure section discharge plate kind groove is pressed against in seed distributing groove, can just be come off after reaching seed position, so as to ensure list
The precision of grain sowing.Finally cap, which is fastened on housing, prevents debris from entering feed mechanism for seed.
Claims (8)
- A kind of 1. blowing-type metering device, it is characterised in that：Including housing（1）, cap（11）, discharge plate（10）, discharge plate positioning Adjustment mechanism（7）, hairbrush one（2）, hairbrush two（8）, hairbrush three（9）With flow rate adjustment mechanism（6）, the discharge plate positioning tune Complete machine structure（7）Through housing（1）Middle mounting hole and housing（1）Connection, discharge plate（10）Adjustment machine is positioned installed in discharge plate Structure（7）On, the housing（1）It is provided with fresh air inlet（13）, housing（1）Interior fresh air inlet（13）Both sides are respectively equipped with hairbrush one（2） With hairbrush two（8）, in housing（1）Interior hairbrush two（8）Outside is equipped with hairbrush three（9）, hairbrush two（8）The housing in outside（1）Circumference Wall is provided with sowing port（15）, housing（1）Inside it is also equipped with air pressure detector（3）With enter kind of an amount adjustment mechanism（6）.
- A kind of 2. blowing-type metering device according to claim 1, it is characterised in that：The hairbrush one（2）By the bottom of hairbrush one Seat（36）With in the base of hairbrush one（36）The brush filament A of upper dress（35）Composition, the brush filament A（35）With the base of hairbrush one（36）Cheng Yi Clamp angle.
- A kind of 3. blowing-type metering device according to claim 1, it is characterised in that：The hairbrush two（8）Including hairbrush two Base（39）, in the base of hairbrush two（39）Upper longitudinal direction is provided with slideway（63）, slideway（63）It is interior to be provided with brush filament B（38）, the bottom of hairbrush two Seat（39）Inner side is provided with hairbrush fixed mount（4）, hairbrush fixed mount（4）Rear end is pressed in the base of hairbrush two（39）On, front end and housing （1）Bolt connection, the base of hairbrush two（39）Outside is provided with flanging（37）, the flanging（37）By with the base of hairbrush two（39） The stile A of connection（61）, the horizontal edge that with stile A upper ends is connected and stretches out（62）With the riser B (65) set on horizontal edge Composition.
- A kind of 4. blowing-type metering device according to claim 1, it is characterised in that：The hairbrush three（9）By the bottom of hairbrush three Seat（41）With in the base of hairbrush three（41）The brush filament C of upper dress（40）Composition, the brush filament C（40）With the base of hairbrush three（41）Vertically Set.
- A kind of 5. blowing-type metering device according to claim 1, it is characterised in that：The discharge plate positions adjustment mechanism （7）Including feed mechanism for seed axle（21）, feed mechanism for seed axle（21）One end is provided with external screw thread provided with the internal thread other end, in feed mechanism for seed axle（21） On load onto discharge plate connecting seat successively（26）, discharge plate positioning seat（27）, bearing（28）And sprocket wheel（33）, feed mechanism for seed axle（21）It is logical Cross bearing（28）With housing（1）Connection, discharge plate connecting seat（26）With discharge plate positioning seat（27）In housing（1）Inner side, sprocket wheel （33）In housing（1）Outside, the feed mechanism for seed axle（21）Axis body provided with internal thread side is provided with the groove A of longitudinal direction（20）, Discharge plate positioning seat（27）The hole wall of middle mounting hole is provided with and feed mechanism for seed axle（21）On groove A（20）What is matched is convex Rib A（56）, the discharge plate connecting seat（26）Main body is in terrace edge shape, and the incline position of main body is provided with the connecting pin extended downwardly （64）, connecting pin（64）Bottom is provided with projection（54）With discharge plate（10）On discharge plate fixed adjustment groove（19）Cooperation is arranged Discharge plate（10）Handling, the discharge plate connecting seat（26）Bottom part body surrounding is uniformly provided with multiple fin B（55）, discharge plate positioning Seat（27）With discharge plate connecting seat（26）Connecting end surface is provided with and fin B（55）The groove B to match（57）.
- A kind of 6. blowing-type metering device according to claim 1, it is characterised in that：The discharge plate（10）Including main body, Connecting hole, the connecting hole profile and discharge plate positioning seat are provided among main body（27）Exterior contour is identical, discharge plate（10） Body side excircle is provided with seed distributing groove（18）, outer circumference surface is provided with vent（17）, vent（17）With seed distributing groove （18）Connect, discharge plate fixed adjustment groove is provided with around main body opposite side connecting hole（19）.
- A kind of 7. blowing-type metering device according to claim 1, it is characterised in that：It is described enter kind of amount governor motion（6）Bag Include housing（1）Interior enters kind of a catch（45）, housing（1）Outer regulation handle（48）With feed mechanism for seed frame（5）On fixed handle carve Spend frame（59）, square cotter axle（46）Pass through into kind of a catch（45）, housing（1）, regulation handle（48）, spring（44）After use bolt（42） It is fixed, the feed mechanism for seed frame（5）On fixed handle calibrating jig（59）It is provided with multiple scale holes（49）, regulation handle（48）On Provided with scale hole can be injected（49）Convex pin（47）.
- A kind of 8. blowing-type metering device according to claim 1, it is characterised in that：The housing（1）With cap（11）It is logical Cross connector and buckle（52）Connection, the housing（1）Remove sowing port in inner side（15）Outer ring in addition is provided with seal groove, cap （11）With housing（1）The position that outer ring contact portion corresponds to seal groove is provided with sealing strip, and the connector is by housing（1）Outside The connector A with slot that circle is provided with（16）Be arranged on cap（11）On outer ring with connector A（16）Rectangle The projection of hole matching（51）Composition, the buckle（52）For elastomeric material, buckle（52）It is provided with multiple connecting holes（53）, in shell Body（1）Outer ring be provided with connecting edge（12）, cap（11）Upper and housing（1）Connecting edge（12）Corresponding position is provided with multiple Connect pawl（50）, buckle（52）Using connecting hole by housing（1）On connecting edge（12）And cap（11）On connection pawl（50） Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710954329.5A CN107615952A (en) | 2017-10-13 | 2017-10-13 | Blowing-type metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710954329.5A CN107615952A (en) | 2017-10-13 | 2017-10-13 | Blowing-type metering device |
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| CN107615952A true CN107615952A (en) | 2018-01-23 |
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ID=61092159
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710954329.5A Pending CN107615952A (en) | 2017-10-13 | 2017-10-13 | Blowing-type metering device |
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| CN110073775A (en) * | 2019-05-29 | 2019-08-02 | 吉林大学 | Diplopore aspirated-air type soya corn general-purpose energy-saving feed mechanism for seed |
| CN113287394A (en) * | 2021-07-06 | 2021-08-24 | 盐城工学院 | Straw smashing, seeding and fertilizer stirring integrated device |
| CN114731809A (en) * | 2022-05-13 | 2022-07-12 | 华南农业大学 | Auxiliary seed supporting air-suction type vegetable precision seed sowing device |
| CN115606347A (en) * | 2022-11-22 | 2023-01-17 | 安徽农业大学 | Pneumatic seed sowing device with self-aligning floating seed plate and seeder |
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| US20100300342A1 (en) * | 2009-06-02 | 2010-12-02 | Bruce Peterson | Seed metering device for agricultural seeder |
| CN103355032A (en) * | 2013-05-30 | 2013-10-23 | 中国农业大学 | Pneumatic composite hole-type maize precision metering device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110073775A (en) * | 2019-05-29 | 2019-08-02 | 吉林大学 | Diplopore aspirated-air type soya corn general-purpose energy-saving feed mechanism for seed |
| CN110073775B (en) * | 2019-05-29 | 2021-09-07 | 吉林大学 | Double-hole air-suction type general energy-saving seed sowing device for soybean and corn |
| CN113287394A (en) * | 2021-07-06 | 2021-08-24 | 盐城工学院 | Straw smashing, seeding and fertilizer stirring integrated device |
| CN114731809A (en) * | 2022-05-13 | 2022-07-12 | 华南农业大学 | Auxiliary seed supporting air-suction type vegetable precision seed sowing device |
| CN115606347A (en) * | 2022-11-22 | 2023-01-17 | 安徽农业大学 | Pneumatic seed sowing device with self-aligning floating seed plate and seeder |
| CN115606347B (en) * | 2022-11-22 | 2024-02-27 | 安徽农业大学 | Pneumatic seed metering device with self-aligning floating seed tray and seeder |
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Application publication date: 20180123 |