CN208462343U - Hand steered traction mulch sowing all-in-one machine - Google Patents
Hand steered traction mulch sowing all-in-one machine Download PDFInfo
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- CN208462343U CN208462343U CN201821165135.3U CN201821165135U CN208462343U CN 208462343 U CN208462343 U CN 208462343U CN 201821165135 U CN201821165135 U CN 201821165135U CN 208462343 U CN208462343 U CN 208462343U
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- rack
- duck
- depth
- sowing
- height
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/28—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture specially adapted for farming
Abstract
The application provides a kind of hand steered traction mulch sowing all-in-one machine, comprising: rack, duck-beak type seeder, depth adjusting mechanism, film-covering mechanism and auxiliary propelling machine.Wherein, a duck-beak type seeder and a depth adjusting mechanism be set in rack, and depth adjusting mechanism further comprises adjusting rod and towing pad, and one end of adjusting rod is hingedly on the rack；The shaft of adjusting rod connects duck-beak type seeder.Depth adjusting mechanism further includes that height maintains frame, and height maintains frame to connect towing pad.In practical application, duck-beak type seeder can be raised or be reduced to adjusting rod, to change the depth sowed in position insertion soil on duck-beak type seeder, and maintain frame that the height of seeder is fixed by height, to maintain normal seeding operation.Technical solution provided by the present application can change depth of planting by changing the height of duck-beak type seeder, solve the problems, such as that traditional duck-beak type seeder is not adjustable depth of planting.
Description
Technical field
This application involves seeding machinery technical fields, more particularly to a kind of hand steered traction mulch sowing all-in-one machine.
Background technique
Seeder be it is a kind of replace artificial seeding, trench digging is completed at the same time in one-stop operation, is sowed seeds, earthing and compacting etc.
Sow process.Existing seeder includes the seeder being arranged on the rack, seed-box, coverer, the components such as press wheel composition,
In actual use, seeder is generally advanced by tractor-drawn, and the seeding wheel in seeder is driven to be rotated, will be in seed-box
Seed sow in soil, then by setting seeder rear coverer, the seed sowed is buried, finally by town
Pinch roller compacting.Different according to the type of institute's long-term cropping, the type of the seeding wheel in seeder and seeder is also different, common
Seeder include the types such as wheeled seeder, disc type seeder and " duckbilled " formula seeder, be respectively suitable for different works
Object and sowing region orographic condition.
In actual use, for the sowing region of different terrain conditions and crop species, the depth of planting of seed is often
The planting depth of difference, such as grain seed is more shallow than the planting depth of green goods seed.In order to enable seeder to be applicable in not
Same depth of planting, existing seeder, the seeder of especially wheeled seeder or disc type seeder, generally by setting
The plough of different height opens up the gully of different depth before seeder, makes to drop to the seed in ditch and is in different sowings
Depth.
As it can be seen that for the seeder of wheeled seeder or disc type seeder, it can be by adjusting the height of plough, to adjust
Save depth of planting.But for " duckbilled " formula seeder, generally also need to carry out film coating operation while sowing, therefore it is sowed
It is not provided with plough in unit, also cannot adjust the depth of planting of such seeder by adjusting the height of plough.
And if the seeder of " duckbilled " formula seeder is also added ditching equipment, on the one hand increase the need of seeder integrally dragging power
It asks, increases energy consumption, unit cannot be drawn by low power tractor, such as hand tractor；On the other hand, it opens
Ditch device can destroy the flatness of sowing regional soil, the film coating operation after being unfavorable for " duckbilled " formula planting with sowing machine.
Utility model content
This application provides a kind of hand steered traction mulch sowing all-in-one machines, are not adjustable and are broadcast with solution " duckbilled " formula seeder
The problem of kind depth.
The application provides a kind of hand steered traction mulch sowing all-in-one machine, comprising: rack, duck-beak type seeder, depth adjustment
Mechanism, film-covering mechanism and auxiliary propelling machine；
Wherein, one end of the rack is detachably connected with the interconnecting piece of hand tractor, and the interconnecting piece is outside
The rectangular steel tube of extension is equipped with connecting hole in the end of steel pipe；The middle part of the rack is divided into multiple sowings by multiple truss
A duck-beak type seeder and a depth adjusting mechanism are arranged in each sowing region for region；
The depth adjusting mechanism includes adjusting rod and the towing pad that described adjusting rod one end is arranged in, the adjusting rod
The other end is hinged in the rack；The shaft of the adjusting rod connects the duck-beak type seeder；The depth adjusting mechanism
It further include that the height being fixed in the rack maintains frame, the height maintains frame to connect the towing pad；
The film-covering mechanism and the auxiliary propelling machine are successively detachably connected in the rack far from the company
One end of socket part.
Optionally, the depth adjusting mechanism further includes the telescopic rod of adjustable in length；The height maintains frame to pass through institute
It states telescopic rod and connects the towing pad.
Optionally, the telescopic rod is flexible flexible link or flexible rope.
Optionally, the depth adjusting mechanism further includes the fair bar of straight-bar structure；The fair bar is through multiple described
Multiple towing pads on adjusting rod；The height maintains frame to connect by the fair bar with multiple towing pads.
Optionally, the film-covering mechanism includes film idler wheel, and is arranged in the film idler wheel along direction of travel rear
At least two earthing components；The film idler wheel and the earthing component are arranged in the rack, the film idler wheel
Width is greater than the overall width in multiple sowing regions.
Optionally, the earthing component includes adjusting sleeve pipe, and is arranged on the position of the adjusting sleeve pipe lower end
Dial native plate；The adjusting sleeve pipe is mounted obliquely in the rack, and described group of native plate is that ecto-entad moves closer to the machine
The arc plate structure of frame.
Optionally, setting angle of the adjusting sleeve pipe in the rack is adjustable；The height of described group of native plate is adjustable
Section.
Optionally, the auxiliary propelling machine includes auxiliary wheel and auxiliary support frame；The auxiliary wheel is arranged described
The both ends of auxiliary support frame are additionally provided with seat in the middle part of the auxiliary support frame, and the two sides of the seat are set there are two earthing disk,
The earthing disk is inclined disc-shaped structure.
From the above technical scheme, the application provides a kind of hand steered traction mulch sowing all-in-one machine, comprising: rack, duck
Mouth formula seeder, depth adjusting mechanism, film-covering mechanism and auxiliary propelling machine.Wherein, the middle part of rack is drawn by multiple truss
It is divided into several sowing regions, a duck-beak type seeder and a depth adjusting mechanism, depth tune is set in each sowing region
Section mechanism further comprises adjusting rod and the towing pad that adjusting rod one end is arranged in, and the other end of adjusting rod is hingedly on the rack；
The shaft of adjusting rod connects duck-beak type seeder.Depth adjusting mechanism further includes that the height being fixed on the rack maintains frame, height
Frame is maintained to connect towing pad.In practical application, duck-beak type seeder can be raised or be reduced to adjusting rod, to change duck-beak type sowing
The depth in position insertion soil is sowed on device, and maintains frame that the height of seeder is fixed by height, to maintain just
Normal seeding operation.Technical solution provided by the present application can change depth of planting by changing the height of duck-beak type seeder,
Solve the problems, such as that traditional duck-beak type seeder is not adjustable depth of planting.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the application, letter will be made to attached drawing needed in the embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without creative efforts, also
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is a kind of structural schematic diagram of hand steered traction mulch sowing all-in-one machine；
Fig. 2 is a kind of side structure schematic view of hand steered traction mulch sowing all-in-one machine；
It illustrates:
Wherein, 1- rack；11- interconnecting piece；12- connecting hole；13- sows region；2- duck-beak type seeder；3- depth adjustment
Mechanism；31- adjusting rod；32- towing pad；33- height maintains frame；34- telescopic rod；35- maintains an equal level bar；4- film-covering mechanism；41- film
Idler wheel；42- earthing component；43- adjusting sleeve pipe；44- dials native plate；5- auxiliary propelling machine；51- auxiliary wheel；52- Auxiliary support
Frame；53- seat；54- earthing disk.
Specific embodiment
Referring to Fig. 1, for a kind of structural schematic diagram of hand steered traction mulch sowing all-in-one machine.
Hand steered traction mulch sowing all-in-one machine provided by the present application, comprising: rack 1, duck-beak type seeder 2, depth adjustment
Mechanism 3, film-covering mechanism 4 and auxiliary propelling machine 5.In the present embodiment, rack 1 can be welded by multiple rectangular steel tubes or cast iron
It connects, including a plurality of truss, it is clear that between the truss close to link position, such as distracted position, the position of fixed other component
It sets, corresponding ruggedized construction can be set by being additionally provided with, such as reinforcing rib, fillet.
In the embodiment of the present application, the structure phase of the duck-beak type seeder 2 and duck-beak type seeder in the prior art
Together, i.e., component is sowed by the way that the duck-beak type of multiple sowings is arranged on cylindrical idler wheel, sows component with idler wheel together
It is rotated, when one of sowing component runs to lower section, the sowing component of duckbill structure is inserted into soil, and is led to
The seed tube crossed inside idler wheel puts down seed, completes seeding operation.In actual production, seed is typically provided with above seeder
Case and fertilizer box, to be completed at the same time two work of sowing and fertilising.
1 one side of rack has been used to support other each components, on the other hand for connecting tractor equipment, i.e., in rack 1
One end be detachably connected with the interconnecting piece 11 of hand tractor, interconnecting piece 11 is outwardly extending rectangular steel tube, in steel pipe
End be equipped with connecting hole 12.Interconnecting piece 11 can be attached by connecting hole 12 and the axis of traction of tractor, specifically
Connection type can be pivot connection, screw rod connection or hinge connection.In practical applications, interconnecting piece 11 is detachably connected
One end of rack 1, can be according to the interconnecting piece 11 of specific connection structure and connection type replacement different structure, such as hand steered drags
Machine drawing is that the comparison of pivot joint structure is more, then uses connecting hole 12 as connecting component；And the traction of common four-wheel tractor
Device is generally 3 mechanisms, therefore can use the interconnecting piece 11 of three point attachment structure.
The middle part of rack 1 is divided into multiple sowing regions 13 by multiple truss, and a duck is arranged in each sowing region 13
Mouth formula seeder 2 and a depth adjusting mechanism 3.As shown in Figure 1, the sowing region 13 for having multiple truss to mark off is to hand in length and breadth
The rectangular area surrounded between several wrong truss, it is clear that the size of rectangular area will can at least accommodate entire duck-beak type and broadcast
Kind device 2, if the plants case setting of duck-beak type seeder 2 is in side locations, plants case should be able to also be accommodated by sowing region 13.Separately
Outside, row spacing when different crop sowing is different, therefore the size of rectangular area is in setting, it should also be taken into account that sowing row spacing
It is required that.When practical application, 13 quantity of sowing region being arranged in rack 1 also determines the ridge in one-stop operation while sowed
Number, therefore the quantity in corresponding sowing region 13 can also be set according to actual needs, in structure shown in fig. 1, entire unit
In include altogether 4 sowing regions, therefore the sowing on four ridges can be completed at the same time in one-stop operation.
In technical solution provided by the present application, one duck-beak type seeder 2 of setting and a depth in a sowing region 13
Regulating mechanism 3 is spent, depth adjusting mechanism 3 can control the institute for the duck-beak type seeder 2 being arranged in the same sowing region 13
The height at place, and then adjust depth of planting.
Specifically, as shown in Fig. 2, depth adjusting mechanism 3 includes adjusting rod 31 and the traction that 31 one end of adjusting rod is arranged in
Hole 32, the other end of adjusting rod 31 are hinged in rack 1.The shaft of adjusting rod 31 connects duck-beak type seeder 2.Depth adjustment machine
Structure 3 further includes that the height being fixed in rack 1 maintains frame 33, and height maintains frame 33 to connect towing pad 32.In actual use, according to
Different crop-planting requirements, adjustable adjusting rod 31 can be with since one end of adjusting rod 31 is hinged in rack 1
It is rotated by adjusting adjusting rod 31 by axis of articulated position, to raise or reduce duck-beak type seeder 2.In the application by
In using articulated position as axis, and the regulated quantity of depth of planting does not need very big yet, therefore, by duck-beak type seeder 2 and can adjust
The relatively close articulated position of the link position setting of pole 31, to utilize towing pad 32 and duck-beak type seeder 2 and hinge
The distance between position difference is connect, short arm of force end is controlled with long arm of force end, improves the degree of regulation of depth of planting.
In the application, can be each adjusting rod 31, just a corresponding height maintains frame 33, is also possible to multiple adjusting rods
A 31 common corresponding height maintain frame 33.Illustratively, height maintains frame 33 to can be the frame structure being arranged in rack 1,
One end of multiple adjusting rods 31 is connected on top cross-bar position, for the ease of maintaining the position of adjusting rod 31 to stablize, can be passed through
The towing pad 32 of 31 one end of adjusting rod is set, to realize the connection between height maintenance frame 33.Clearly as towing pad 32
It is movable end at one end, therefore towing pad 32 and height maintenance frame 33 can be connected by using telescopic rod 34.
I.e. in the section Example of the application, depth adjusting mechanism 3 further includes the telescopic rod 34 of adjustable in length；Highly
Frame 33 is maintained to connect towing pad 32 by telescopic rod 34.In actual use, can directly by adjust telescopic rod 34 length come
The angle of adjusting rod 31 is set to change, to change the height of duck-beak type seeder 2.That is, when needing to reduce depth of planting,
The height of seeder should be increased, then needs to shorten the length of telescopic rod 34；And when needing to increase depth of planting, it should reduce
The height of seeder then needs to extend the length of telescopic rod 34.Telescopic rod 34 can change the length of bar by screw thread, can also be with
Device is locked by casing to change the length of bar.Further, telescopic rod 34 is flexible flexible link or flexible strand
Rope.Flexible link or rope not only can arbitrarily change installation condition, be convenient for adjusting, and can be by sowing soil
When the hard objects impact in face, such as stone, temporarily seeder can be risen, it can percussion is buffered, is kept away
Exempt to damage seeder.
Further, depth adjusting mechanism 3 further includes the fair bar 35 of straight-bar structure；The bar 35 that maintains an equal level runs through multiple adjusting rods
Multiple towing pads 32 on 31；Height maintains frame 33 to connect by maintaining an equal level bar 35 with multiple towing pads 32.The bar 35 that maintains an equal level can lead to
Crossing through multiple towing pads 32 maintains the duck-beak type seeder 2 in multiple sowing regions 13 in the same height, thus
It is consistent the depth of planting of multiple seeders.
Film-covering mechanism 4 and auxiliary propelling machine 5 are successively detachably connected to one end in rack 1 far from interconnecting piece 11.
I.e. in practical applications, under the lead of tractor, it is followed successively by the hinge of interconnecting piece 11, duck-beak type seeder 2, adjusting rod 31
Connective pole, film-covering mechanism 4 and auxiliary propelling machine 5.Wherein, film-covering mechanism 4 is used to carry out overlay film to the soil sowed, with
Expedite the emergence of germination；5 one side of auxiliary propelling machine can support entire unit together with hand tractor, on the other hand may be used
Space is taken to provide for operator, so that operator controls the seeding operation that hand tractor is standardized.
Specifically, film-covering mechanism 4 includes film idler wheel 41, and film idler wheel 41 is arranged in along direction of travel rear extremely
Few two earthing components 42；Film idler wheel 41 and earthing component 42 are arranged in rack 1, and the width of film idler wheel 41 is greater than multiple
Sow the overall width in region.In practical application, film is rolled on film idler wheel 41, long according to different ridges, film idler wheel 41
Integral diameter on volume after film is also different.Obviously, the bottom of rack 1 should be arranged in film idler wheel 41, so as to film laying.With
The advance of entire unit, film paved on soil after planting since draw is gradually released from film idler wheel 41,
Film two sides are compacted by the way that the earthing component 42 of 1 two sides of rack is arranged in using soil again, complete film coating operation.
Further, earthing component 42 includes adjusting sleeve pipe 43, and is arranged on 43 lower end position of adjusting sleeve pipe
Dial native plate 44；Adjusting sleeve pipe 43 is mounted obliquely in rack 1, and dialling native plate 44 is the arc that ecto-entad moves closer to rack 1
Hardened structure.In the present embodiment, earthing component 42 touches the soil on ground, and moves closer to rack 1 by ecto-entad
Arc plate structure pushes to soil on film, direction and and surface soil by 43 adjustable groups of soil plates 44 of adjusting sleeve pipe
Exposure level, to adapt to different soil properties.Further, setting angle of the adjusting sleeve pipe 43 in rack 1 is adjustable；It dials
Native plate 44 it is height-adjustable.The setting angle of adjusting sleeve pipe 43 can realize adjusting, adjusting sleeve pipe by way of articulated shaft
43 length can adjust entire length by the mutual alignment relation between at least two tubular structures.
In addition, as shown in Fig. 2, auxiliary propelling machine 5 includes auxiliary wheel 51 and auxiliary support frame 52；Auxiliary wheel 51 is arranged
At the both ends of auxiliary support frame 52, the middle part of auxiliary support frame 52 is additionally provided with seat 53, and the two sides of seat 53 set that there are two earthing
Disk 54, earthing disk 54 are inclined disc-shaped structure.Auxiliary wheel 51 supports most of weight of entire unit, in order to whole steady
Qualitative to can be set to rubber wheel, seat 53 is taken for driver, so as in real time to the direction of travel of tractor or speed of advancing
Degree is adjusted.Soil can be pushed on film by inclined disc-shaped structure earthing disk 54 again, improve the steady of film
It is qualitative, avoid the wind effect film laying quality in environment.
From the above technical scheme, the application provides a kind of hand steered traction mulch sowing all-in-one machine, comprising: rack 1, duck
Mouth formula seeder 2, depth adjusting mechanism 3, film-covering mechanism 4 and auxiliary propelling machine 5.Wherein, the middle part of rack 1 is by multiple purlins
Frame is divided into several sowing regions 13, and a duck-beak type seeder 2 and a depth adjustment machine is arranged in each sowing region 13
Structure 3, depth adjusting mechanism 3 further comprise adjusting rod 31 and the towing pad 32 that 31 one end of adjusting rod is arranged in, adjusting rod 31
The other end is hinged in rack 1；The shaft of adjusting rod 31 connects duck-beak type seeder 2.Depth adjusting mechanism 3 further includes being fixed on
Height in rack 1 maintains frame 33, and height maintains frame 33 to connect towing pad 32.In practical application, adjusting rod 31 can raise or
Duck-beak type seeder 2 is reduced, to change the depth sowed in position insertion soil on duck-beak type seeder 2, and passes through height dimension
It holds frame 33 height of seeder is fixed, to maintain normal seeding operation.Technical solution provided by the present application can pass through
Change the height of duck-beak type seeder 2, and change depth of planting, solves traditional duck-beak type seeder and be not adjustable depth of planting
Problem.
Similar portion cross-reference between embodiment provided by the present application, specific embodiment provided above is only
It is several examples under the total design of the application, does not constitute the restriction of the application protection scope.For those skilled in the art
For member, any other embodiment expanded without creative efforts according to application scheme all belongs to
In the protection scope of the application.
Claims (8)
1. a kind of hand steered traction mulch sowing all-in-one machine characterized by comprising rack (1), duck-beak type seeder (2), depth
Regulating mechanism (3), film-covering mechanism (4) and auxiliary propelling machine (5)；
Wherein, one end of the rack (1) is detachably connected with the interconnecting piece (11) of hand tractor, the interconnecting piece (11)
For outwardly extending rectangular steel tube, connecting hole (12) are equipped in the end of steel pipe；It is drawn by multiple truss at the middle part of the rack (1)
It is divided into multiple sowing regions (13), is arranged described in a duck-beak type seeder (2) and one in each sowing region (13)
Depth adjusting mechanism (3)；
The depth adjusting mechanism (3) includes the towing pad (32) of adjusting rod (31) and setting in the adjusting rod (31) one end,
The other end of the adjusting rod (31) is hinged on the rack (1)；The shaft of the adjusting rod (31) connects the duck-beak type
Seeder (2)；The depth adjusting mechanism (3) further includes that the height being fixed on the rack (1) maintains frame (33), the height
Degree maintains frame (33) to connect the towing pad (32)；
The film-covering mechanism (4) and the auxiliary propelling machine (5) are successively detachably connected on the rack (1) far from institute
State one end of interconnecting piece (11).
2. hand steered traction mulch sowing all-in-one machine according to claim 1, which is characterized in that the depth adjusting mechanism
(3) further include adjustable in length telescopic rod (34)；The height maintains frame (33) to pass through described in the telescopic rod (34) connection
Towing pad (32).
3. hand steered traction mulch sowing all-in-one machine according to claim 2, which is characterized in that the telescopic rod (34) is can
Curved flexible link or flexible rope.
4. hand steered traction mulch sowing all-in-one machine according to claim 1, which is characterized in that the depth adjusting mechanism
(3) further include straight-bar structure fair bar (35)；Multiple institutes of the fair bar (35) on multiple adjusting rods (31)
State towing pad (32)；The height maintains frame (33) to connect by the fair bar (35) with multiple towing pads (32).
5. hand steered traction mulch sowing all-in-one machine according to claim 1, which is characterized in that film-covering mechanism (4) packet
It includes film idler wheel (41), and is arranged in the film idler wheel (41) along at least two earthing components at direction of travel rear
(42)；The film idler wheel (41) and the earthing component (42) are arranged on the rack (1), the film idler wheel (41)
Width is greater than the overall width in multiple sowing regions.
6. hand steered traction mulch sowing all-in-one machine according to claim 5, which is characterized in that earthing component (42) packet
It includes adjusting sleeve pipe (43), and group native plate (44) being arranged on the adjusting sleeve pipe (43) lower end position；The adjusting set
Pipe (43) is mounted obliquely on the rack (1), and described group of native plate (44) is that ecto-entad moves closer to the rack (1)
Arc plate structure.
7. hand steered traction mulch sowing all-in-one machine according to claim 6, which is characterized in that the adjusting sleeve pipe (43) exists
Setting angle on the rack (1) is adjustable；The described group of native plate (44) it is height-adjustable.
8. hand steered traction mulch sowing all-in-one machine according to claim 1, which is characterized in that the auxiliary propelling machine
It (5) include auxiliary wheel (51) and auxiliary support frame (52)；The auxiliary wheel (51) is arranged in the auxiliary support frame (52)
Both ends are additionally provided with seat (53) in the middle part of the auxiliary support frame (52), and the two sides of the seat (53) set that there are two earthing disks
(54), the earthing disk (54) is inclined disc-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821165135.3U CN208462343U (en) | 2018-07-23 | 2018-07-23 | Hand steered traction mulch sowing all-in-one machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821165135.3U CN208462343U (en) | 2018-07-23 | 2018-07-23 | Hand steered traction mulch sowing all-in-one machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208462343U true CN208462343U (en) | 2019-02-05 |
Family
ID=65207925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821165135.3U Expired - Fee Related CN208462343U (en) | 2018-07-23 | 2018-07-23 | Hand steered traction mulch sowing all-in-one machine |
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| Country | Link |
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| CN (1) | CN208462343U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113692817A (en) * | 2021-07-22 | 2021-11-26 | 山东省农业机械科学研究院 | Device and agricultural equipment for controlling sowing depth according to soil humidity |
-
2018
- 2018-07-23 CN CN201821165135.3U patent/CN208462343U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113692817A (en) * | 2021-07-22 | 2021-11-26 | 山东省农业机械科学研究院 | Device and agricultural equipment for controlling sowing depth according to soil humidity |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190205 Termination date: 20200723 |
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| CF01 | Termination of patent right due to non-payment of annual fee |