CN109566029A - A kind of the disengaging type land wheel and its transmission device of air seeder - Google Patents
A kind of the disengaging type land wheel and its transmission device of air seeder Download PDFInfo
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- CN109566029A CN109566029A CN201910104837.3A CN201910104837A CN109566029A CN 109566029 A CN109566029 A CN 109566029A CN 201910104837 A CN201910104837 A CN 201910104837A CN 109566029 A CN109566029 A CN 109566029A
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- land wheel
- wheel
- land
- feed mechanism
- support arm
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C19/00—Arrangements for driving working parts of fertilisers or seeders
- A01C19/04—Arrangements for driving working parts of fertilisers or seeders by a ground-engaging wheel
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
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Abstract
A kind of the disengaging type land wheel and its transmission device of air seeder, belong to pneumatic type seeder technical field.The present invention is unreasonable in order to overcome the design of ground-driven device, sowing distance inaccuracy, the seed waste problem that line feed sowing occurs.The present invention includes land wheel support arm plate, feed mechanism for seed power transmission assembly, ground-driven assembly, upper sprocket wheel, lower sprocket, chain and land wheel, it is machined with feed mechanism for seed power transmission assembly mounting hole and ground-driven assembly mounting hole respectively on land wheel support arm plate ontology, feed mechanism for seed power transmission assembly and ground-driven assembly are mounted on land wheel support arm plate, upper sprocket wheel is mounted on feed mechanism for seed power transmission assembly, lower sprocket is mounted on ground-driven assembly, upper sprocket wheel and lower sprocket establish installation relation by chain, are equipped with land wheel on ground-driven assembly.The present invention calculates accurate transmission ratio, guarantees that spacing in the rows is consistent, reduce seed waste, save the cost by selecting the corresponding kind of drive.
Description
Technical field
The present invention relates to a kind of seeder ground wheel transmission mechanisms, belong to pneumatic type seeder technical field.
Background technique
The use of Pneumatic type small-sized seed precision drill is the important link that vegetable cultivation industry realizes mechanization, even more
Key operation tool in vegetable cultivation.It is to be required according to vegetable cultivation using purpose, in reasonable sowing season, by vegetables
Seed is required according to corresponding seeding technique, is precisely reasonably seeded into soil.
Wherein, Pneumatic type small-sized seed precision drill feed mechanism for seed seeding quality and emergence be there are important relationship,
Corresponding influence will be generated on crop yield, may be implemented precisely to sow, and guarantee that certain emergence spacing in the rows, depth of planting are vegetables
Certain basis is established in the growth of seedling, provides certain guarantee for stable yields volume increase.The design of Pneumatic type small-sized seed precision drill
Using seeding accuracy and efficiency can be greatly improved, guarantee kind rate out, realize precise sowing, convenient for crop final-period management and
Harvest can not only save seed, reduce field thinning recruitment, and guarantee stable crop yield volume increase, improve crop yield.
But air seeder is unreasonable due to the design of ground-driven device at seeding time, often will appear sowing apart from different
Sample, and enter a new line sowing when persistently sow, seed caused to waste the problem of.Therefore a kind of accurately land wheel and its transmission is designed
Device is particularly important.
Summary of the invention
The present invention provides disengaging type land wheel and its transmission of a kind of air seeder for above-mentioned deficiency in the prior art
Device.It has been given below about brief overview of the invention, in order to provide the basic reason about certain aspects of the invention
Solution.It should be appreciated that this summary is not an exhaustive overview of the invention.It is not intended to determine key of the invention
Or pith, nor is it intended to limit the scope of the present invention.
Technical solution of the present invention:
A kind of the disengaging type land wheel and its transmission device of air seeder, including land wheel support arm plate, feed mechanism for seed power transmission
It is dynamic to be machined with feed mechanism for seed on land wheel support arm plate ontology respectively for assembly, ground-driven assembly, upper sprocket wheel, lower sprocket, chain and land wheel
Power transmission assembly mounting hole and ground-driven assembly mounting hole, feed mechanism for seed power transmission assembly and ground-driven assembly are installed respectively
In feed mechanism for seed power transmission assembly mounting hole and ground-driven assembly mounting hole, the upper sprocket wheel is mounted on feed mechanism for seed power
It transmits on assembly, the lower sprocket is mounted on ground-driven assembly, and upper sprocket wheel and lower sprocket are established to install by chain and be closed
It is that land wheel is installed on the ground-driven assembly.
Further, the feed mechanism for seed power transmission assembly includes upper sprocket wheel rotation support shaft, supporting bearing base, support
Bearing block fixed plate, upper sprocket wheel spacer sleeve and upper sprocket wheel assembly cover, and it is solid that supporting bearing base is welded in the supporting bearing base
Fixed board, supporting bearing base fixed plate are mounted by means of bolts on the feed mechanism for seed power transmission assembly mounting hole of land wheel support arm plate
Locate, upper sprocket wheel rotation support shaft is rotatably equipped in supporting bearing base, upper sprocket wheel is fixedly mounted on by upper sprocket wheel assembly set
In sprocket wheel rotation support shaft, the other end of the upper sprocket wheel is connected with feed mechanism for seed transmission axle, goes back in upper sprocket wheel rotation support shaft
It is set with upper sprocket wheel spacer sleeve, upper sprocket wheel interval is set between upper sprocket wheel and land wheel support arm plate.
Further, the ground-driven assembly includes land axle, land wheel mounting plate, land wheel bearing block, land wheel bearing
Seat mounting plate, lower sprocket spacer sleeve and lower sprocket set are welded with land wheel bearing mounting plate, ground on the land wheel bearing block
Wheel bearing seat mounting plate is mounted by means of bolts at the ground-driven assembly mounting hole of land wheel support arm plate, in land wheel bearing block
It is rotatably equipped with land axle, one end of land axle is equipped with land wheel mounting plate, and the land wheel is fixedly mounted on land wheel mounting plate
On, the other end of land axle is fixedly installed with lower sprocket set, and lower sprocket is fixedly mounted on lower sprocket and puts on, and also installs on land axle
There is lower sprocket spacer sleeve, lower sprocket interval is set between lower sprocket and land wheel support arm plate.
Further, the upper end of the land wheel support arm plate is welded with upper shield and branch arm restraining board, on branch arm restraining board
It is machined with fixed mounting hole.
Further, the feed mechanism for seed power transmission assembly further includes clutch, and feed mechanism for seed transmission axle passes through clutch
Drive connection is established with upper sprocket wheel, the clutch includes clutch outer member body, platen, frictional disk, release bearing, return bullet
Spring pushes plectrum, pushes plectrum mounting base, separation connecting rod and control stick, is equipped with platen and friction inside clutch outer member body
Disk, the feed mechanism for seed transmission axle are fixedly mounted on frictional disk, and platen and release bearing are sleeved on feed mechanism for seed transmission axle, seeding
The other end setting of device transmission axle is equipped on the external side of clutch outer member, clutch outer member body pushes plectrum mounting base, pushes away
Dynamic plectrum, which is mounted on, to be pushed in plectrum mounting base, pushes plectrum connection platen and release bearing, platen and clutch outer member body it
Between be connected with return spring, separation connecting rod is installed on the release bearing, control stick with to separate connecting rod hinged.
Further, it is also machined with tensioning wheel mounting hole on the land wheel support arm plate, is equipped in tensioning wheel mounting hole
Tensioning shaft is rotatably equipped with tensioning wheel on tensioning shaft, and tensioning wheel and chain interoperation, which are realized, to be tensioned.
Further, land wheel support arm stiffening plate, the connection of land wheel support arm stiffening plate are also equipped on the land wheel support arm plate
Land wheel support arm plate and branch arm restraining board.
Further, multiple land wheel support arm reinforcing sleeves are installed on the land wheel support arm plate.
The invention has the following advantages:
1, the present invention uses the sprocket-type kind of drive, realizes the power of land wheel passing to feed mechanism for seed transmission axle, wherein chain
The cooperation operation process of wheel chain is not in slipping phenomenon, and performance is stablized, and structure is simple, and operation is more steady, and passes through this
Kind mechanical structure mode can be realized equidistant sowing, improve seeding quality, and when entering a new line sowing, only be passed by cutting off power
The problem of passing, stop sowing, effectively preventing seed waste；
2, invention increases protective device intensity, durable, and install clutch additional, can interrupt power biography at any time
It passs, to control sowing, further saves its cost, reduce seed waste, land wheel is multiple using import rubber vacuum
Land wheel is closed, light weight, coefficient of friction is big, is not easy to skid, will not be on the hardened influence of soil reclamation, it is accurate to be driven；
3, the present invention calculates accurate transmission ratio, increases clutch and tensioning dress by selecting the corresponding kind of drive
The mode set guarantees that spacing in the rows is consistent, reduces seed waste, save the cost.
Detailed description of the invention
Fig. 1 is overall structure cross-sectional view of the present invention；
Fig. 2 is axis side view of the invention；
Fig. 3 is the axis side view of land wheel support arm plate；
Fig. 4 is the main view of feed mechanism for seed power transmission assembly；
Fig. 5 is that upper sprocket wheel and lower sprocket are coupled schematic diagram；
Fig. 6 is the main view of ground-driven assembly；
Fig. 7 is the structure cooperation cross-sectional view of clutch and upper sprocket wheel；
In figure: 1- land wheel support arm plate, 2- feed mechanism for seed power transmission assembly, 3- ground-driven assembly, 4- upper sprocket wheel, chain under 5-
Wheel, 6- chain, 7- land wheel, 8- feed mechanism for seed power transmission assembly mounting hole, 9- ground-driven assembly mounting hole, 10- cochain rotation
Dynamic support shaft, 11- supporting bearing base, 12- supporting bearing base fixed plate, 13- upper sprocket wheel spacer sleeve, 14- upper sprocket wheel assembly set,
15- land axle, 16- land wheel mounting plate, 17- land wheel bearing block, 18- land wheel bearing mounting plate, 19- lower sprocket spacer sleeve, 20-
Lower sprocket set, 21- upper shield, 22- branch arm restraining board, 23- tensioning wheel mounting hole, 24- tensioning wheel, 25- land wheel support arm stiffening plate,
26- land wheel support arm reinforcing sleeve, 27- feed mechanism for seed transmission axle, 28- clutch, 29- clutch outer member body, 30- platen, 31- friction
Disk, 32- release bearing, 33- return spring, 34- push plectrum, and 35- pushes plectrum mounting base, and 36- separates connecting rod, 37- manipulation
Bar.
Specific embodiment
Specific embodiment 1: illustrate present embodiment in conjunction with Fig. 1-Fig. 7, a kind of air seeder of present embodiment
Disengaging type land wheel and its transmission device, including land wheel support arm plate 1, feed mechanism for seed power transmission assembly 2, ground-driven assembly 3, cochain
4, lower sprocket 5, chain 6 and land wheel 7 are taken turns, is machined with feed mechanism for seed power transmission assembly mounting hole 8 respectively on 1 ontology of land wheel support arm plate
With ground-driven assembly mounting hole 9, feed mechanism for seed power transmission assembly 2 and ground-driven assembly 3 are separately mounted to feed mechanism for seed power
It transmits in assembly mounting hole 8 and ground-driven assembly mounting hole 9, the upper sprocket wheel 4 is mounted on feed mechanism for seed power transmission assembly 2
On, the lower sprocket 5 is mounted on ground-driven assembly 3, and upper sprocket wheel 4 and lower sprocket 5 pass through chain 6 and establish installation relation,
Land wheel 7 is installed on the ground-driven assembly 3.So set, the course of work of the invention is as follows: when land wheel 7 rotates, band
Lower sprocket 5 on dynamic ground-driven assembly 3 rotates, and lower sprocket 5 rotates, and drives upper sprocket wheel 4 to rotate by chain 6, upper sprocket wheel 4
It is coupled with feed mechanism for seed power transmission assembly 2, and then the seeding transmission axle inside feed mechanism for seed power transmission assembly 2 is driven to turn
Dynamic, realization delivers power to feed mechanism for seed.
Specific embodiment 2: illustrate present embodiment in conjunction with Fig. 1-Fig. 7, a kind of air seeder of present embodiment
Disengaging type land wheel and its transmission device, the feed mechanism for seed power transmission assembly 2 include upper sprocket wheel rotation support shaft 10,
Supporting bearing base 11, supporting bearing base fixed plate 12, upper sprocket wheel spacer sleeve 13 and upper sprocket wheel assembly set 14, the spring bearing
It is welded with supporting bearing base fixed plate 12 on seat 11, supporting bearing base fixed plate 12 is mounted by means of bolts on land wheel support arm plate
At 1 feed mechanism for seed power transmission assembly mounting hole 8, upper sprocket wheel rotation support shaft 10 is rotatably equipped in supporting bearing base 11, on
Sprocket wheel 4 is fixedly mounted in upper sprocket wheel rotation support shaft 10 by upper sprocket wheel assembly set 14, and the other end of the upper sprocket wheel 4 connects
It is connected to feed mechanism for seed transmission axle 27, upper sprocket wheel spacer sleeve 13, upper sprocket wheel spacer sleeve 13 are further sleeved in upper sprocket wheel rotation support shaft 10
It is arranged between upper sprocket wheel 4 and land wheel support arm plate 1.So set, upper sprocket wheel rotation support shaft 10 and supporting bearing base 11 are upper
The rotation of sprocket wheel 4 provides a support force, and upper sprocket wheel 4 and feed mechanism for seed transmission axle 27 establish connection, and then upper sprocket wheel 4 rotates band
Dynamic feed mechanism for seed transmission axle 27 rotates, and realizes the transmission of seeding power.
Specific embodiment 3: illustrate present embodiment in conjunction with Fig. 1-Fig. 7, a kind of air seeder of present embodiment
Disengaging type land wheel and its transmission device, the ground-driven assembly 3 include land axle 15, land wheel mounting plate 16, land wheel bearing
Seat 17, land wheel bearing mounting plate 18, lower sprocket spacer sleeve 19 and lower sprocket set 20, the upper welding of the land wheel bearing block 17
There is land wheel bearing mounting plate 18, the land wheel that land wheel bearing mounting plate 18 is mounted by means of bolts on land wheel support arm plate 1 passes
At dynamic assembly mounting hole 9, land axle 15 is rotatably equipped in land wheel bearing block 17, one end of land axle 15 is equipped with land wheel installation
Plate 16, the land wheel 7 are fixedly mounted on land wheel mounting plate 16, and the other end of land axle 15 is fixedly installed with lower sprocket set
20, lower sprocket 5 is fixedly mounted on lower sprocket set 20, and lower sprocket spacer sleeve 19, lower sprocket interval are also equipped on land axle 15
Set 19 is arranged between lower sprocket 5 and land wheel support arm plate 1.So set, the working principle of ground-driven assembly 3 is as follows: land wheel
One end of axis 15 is rotatably installed in land wheel bearing block 17 by bearing, and the other end of land axle 15 is pacified across ground-driven assembly
Hole 9 is filled, the other end of land axle 15 is equipped with lower sprocket 5, and land wheel 7 is established by land wheel mounting plate 16 and land axle 15 and installed
Relationship, when land wheel 7 rotates, land wheel 7 drives land axle 15 to rotate in land wheel bearing block 17, and lower sprocket 5 is with landing wheel at this time
Axis 15 is rotated and is rotated, and is coupled because passing through chain 6 between lower sprocket 5 and upper sprocket wheel 4, and then realize and rotate land wheel
Power transmission is to feed mechanism for seed power transmission assembly 2.
Specific embodiment 4: illustrate present embodiment in conjunction with Fig. 1-Fig. 7, a kind of air seeder of present embodiment
The upper end of disengaging type land wheel and its transmission device, the land wheel support arm plate 1 is welded with upper shield 21 and branch arm restraining board 22, branch
Fixed mounting hole is machined on arm restraining board 22.So set, upper shield 21 can effectively stop soil seeding process to splash
The operation of the impurity effects feed mechanism for seed power transmission such as soil block, stone assembly 2 and ground-driven assembly 3, entirely wheel transmission device
Pass through the fixed mounting hole and the foundation installation of seeder beam body on branch arm restraining board 22.
Specific embodiment 5: illustrate present embodiment in conjunction with Fig. 1-Fig. 7, a kind of air seeder of present embodiment
Disengaging type land wheel and its transmission device, the feed mechanism for seed power transmission assembly 2 further include clutch 28, feed mechanism for seed transmission axle 27
Drive connection is established by clutch 28 and upper sprocket wheel 4, the clutch 28 includes clutch outer member body 29, platen 30, rubs
Disk 31 is wiped, release bearing 32, return spring 33, plectrum 34 is pushed, pushes plectrum mounting base 35, separation connecting rod 36 and control stick
37, platen 30 and frictional disk 31 are installed inside clutch outer member body 29, the feed mechanism for seed transmission axle 27, which is fixedly mounted on, to rub
It wipes on disk 31, platen 30 and release bearing 32 are sleeved on feed mechanism for seed transmission axle 27, and the other end setting of feed mechanism for seed transmission axle 27 exists
It on the outside of clutch outer member body 29, is equipped on clutch outer member body 29 and pushes plectrum mounting base 35, pushed plectrum 34 to be mounted on and pushes away
In dynamic plectrum mounting base 35, plectrum 34 is pushed to connect platen 30 and release bearing 32, between platen 30 and clutch outer member body 29
Be connected with return spring 33, be equipped on the release bearing 32 separation connecting rod 36, control stick 37 with separate connecting rod 36 hingedly.
So set, pulling control stick 37, control stick 37 drives 32 lateral displacement of release bearing under the action of separating connecting rod 36, separates
Bearing 32 push push plectrum 34 generate elastic force, by push plectrum 34 elastic force effect under, platen 30 push frictional disk 31 with it is upper
Sprocket wheel 4 generates engagement contact, and upper sprocket wheel rotation at this time drives frictional disk 31 to rotate, since feed mechanism for seed transmission axle 27 is fixedly mounted on
On frictional disk 31, feed mechanism for seed transmission axle 27 is rotated synchronously with upper sprocket wheel 4 under the action of clutch at this time, and then is passed for feed mechanism for seed
Defeated power realizes sowing, when not needing power, control stick 37 is unclamped, at this point, platen 30 is by 33 elastic acting force of return spring
Under, platen 30 resets, and frictional disk 31 is separated with upper sprocket wheel 14, and upper sprocket wheel 4 dallies, therefore the design of clutch being capable of strict control
Distance is sowed, and when entering a new line sowing, disconnects feed mechanism for seed power, effectively avoids the problem that continuing sowing causes seed to waste.
Specific embodiment 6: illustrate present embodiment in conjunction with Fig. 1-Fig. 7, a kind of air seeder of present embodiment
Disengaging type land wheel and its transmission device are also machined with tensioning wheel mounting hole 23, tensioning wheel mounting hole on the land wheel support arm plate 1
Tensioning shaft is installed in 23, tensioning wheel 24 is rotatably equipped on tensioning shaft, tensioning is realized in tensioning wheel 24 and the cooperation of chain 6.So
Setting, tensioning wheel 24 can be realized the tensioning of chain 6, so that entire chain-drive mechanism runs smoothly, and effectively avoid chain conveyer
Slipping phenomenon occurs.
Specific embodiment 7: illustrate present embodiment in conjunction with Fig. 1-Fig. 7, a kind of air seeder of present embodiment
Disengaging type land wheel and its transmission device are also equipped with land wheel support arm stiffening plate 25 on the land wheel support arm plate 1, and land wheel support arm adds
Strong plate 25 connects land wheel support arm plate 1 and branch arm restraining board 22.So set, in order to enhance the structural strength of land wheel support arm plate 1,
It is installed by welding with land wheel support arm stiffening plate 25 and land wheel support arm reinforcing sleeve 26 in land wheel support arm stiffening plate 25, avoids use process
In, there is the generation of the problems such as bending, slight crack in land wheel support arm plate 1.
This embodiment is just an exemplary description of this patent, does not limit its protection scope, those skilled in the art
Member can also be changed its part, as long as it does not exceed the essence of this patent, within the protection scope of the present patent.
Claims (9)
1. the disengaging type land wheel and its transmission device of a kind of air seeder, it is characterised in that: including land wheel support arm plate (1), row
Kind device power transmission assembly (2), ground-driven assembly (3), upper sprocket wheel (4), lower sprocket (5), chain (6) and land wheel (7), land wheel
It is machined with feed mechanism for seed power transmission assembly mounting hole (8) and ground-driven assembly mounting hole (9) respectively on support arm plate (1) ontology,
Feed mechanism for seed power transmission assembly (2) and ground-driven assembly (3) be separately mounted to feed mechanism for seed power transmission assembly mounting hole (8) and
In ground-driven assembly mounting hole (9), the upper sprocket wheel (4) is mounted on feed mechanism for seed power transmission assembly (2), under described
Sprocket wheel (5) is mounted on ground-driven assembly (3), and upper sprocket wheel (4) and lower sprocket (5) pass through chain (6) and establish installation relation, institute
Land wheel (7) are installed on the ground-driven assembly (3) stated.
2. the disengaging type land wheel and its transmission device of a kind of air seeder according to claim 1, it is characterised in that: institute
The feed mechanism for seed power transmission assembly (2) stated includes that upper sprocket wheel rotation support shaft (10), supporting bearing base (11), supporting bearing base are solid
Fixed board (12), upper sprocket wheel spacer sleeve (13) and upper sprocket wheel assembly set (14), the supporting bearing base are welded with support on (11)
Bearing block fixed plate (12), supporting bearing base fixed plate (12) are mounted by means of bolts on the feed mechanism for seed of land wheel support arm plate (1)
At power transmission assembly mounting hole (8), upper sprocket wheel rotation support shaft (10), upper sprocket wheel are rotatably equipped in supporting bearing base (11)
(4) by upper sprocket wheel assemble set (14) be fixedly mounted on upper sprocket wheel rotation support shaft (10), the upper sprocket wheel (4) it is another
End is connected with feed mechanism for seed transmission axle (27), and upper sprocket wheel spacer sleeve (13), cochain are further sleeved in upper sprocket wheel rotation support shaft (10)
Spacer sleeve (13) are taken turns to be arranged between upper sprocket wheel (4) and land wheel support arm plate (1).
3. the disengaging type land wheel and its transmission device of a kind of air seeder according to claim 1, it is characterised in that: institute
The ground-driven assembly (3) stated includes land axle (15), land wheel mounting plate (16), land wheel bearing block (17), land wheel bearing block peace
Loading board (18), lower sprocket spacer sleeve (19) and lower sprocket set (20) are welded with land axle on the land wheel bearing block (17)
It holds a mounting plate (18), land wheel bearing mounting plate (18) is mounted by means of bolts on the ground-driven of land wheel support arm plate (1)
At assembly mounting hole (9), it is rotatably equipped with land axle (15) in land wheel bearing block (17), one end of land axle (15) is equipped with ground
It takes turns mounting plate (16), the land wheel (7) is fixedly mounted on land wheel mounting plate (16), the fixed peace of the other end of land axle (15)
Equipped with lower sprocket set (20), lower sprocket (5) is fixedly mounted on lower sprocket set (20), and land axle is also equipped with lower sprocket on (15)
Spacer sleeve (19), lower sprocket spacer sleeve (19) are arranged between lower sprocket (5) and land wheel support arm plate (1).
4. the disengaging type land wheel and its transmission device of a kind of air seeder according to claim 1 to 3, it is characterised in that:
The upper end of the land wheel support arm plate (1) is welded with upper shield (21) and branch arm restraining board (22), adds on branch arm restraining board (22)
Work has fixed mounting hole.
5. the disengaging type land wheel and its transmission device of a kind of air seeder according to claim 2, it is characterised in that: institute
The feed mechanism for seed power transmission assembly (2) stated further includes clutch (28), feed mechanism for seed transmission axle (27) by clutch (28) with it is upper
Sprocket wheel (4) establishes drive connection.
6. the disengaging type land wheel and its transmission device of a kind of air seeder according to claim 5, it is characterised in that: institute
The clutch (28) stated includes clutch outer member body (29), platen (30), frictional disk (31), release bearing (32), return spring
(33), plectrum (34) are pushed, push plectrum mounting base (35), separation connecting rod (36) and control stick (37), clutch outer member body
(29) internal to be equipped with platen (30) and frictional disk (31), the feed mechanism for seed transmission axle (27) is fixedly mounted on frictional disk (31)
On, platen (30) and release bearing (32) are sleeved on feed mechanism for seed transmission axle (27), the other end setting of feed mechanism for seed transmission axle (27)
It on the outside of clutch outer member body (29), is equipped on clutch outer member body (29) and pushes plectrum mounting base (35), push plectrum
(34) it is mounted on and pushes on plectrum mounting base (35), push plectrum (34) connection platen (30) and release bearing (32), platen
(30) it is connected between clutch outer member body (29) return spring (33), separation is installed on the release bearing (32) and is connected
Bar (36), control stick (37) with to separate connecting rod (36) hinged.
7. the disengaging type land wheel and its transmission device of a kind of air seeder according to claim 1, it is characterised in that: institute
It is also machined with tensioning wheel mounting hole (23) on the land wheel support arm plate (1) stated, tensioning shaft is installed in tensioning wheel mounting hole (23),
It is rotatably equipped on mandrel tensioning wheel (24), tensioning is realized in tensioning wheel (24) and chain (6) cooperation.
8. the disengaging type land wheel and its transmission device of a kind of air seeder according to claim 4, it is characterised in that: institute
Land wheel support arm stiffening plate (25) is also equipped on the land wheel support arm plate (1) stated, land wheel support arm stiffening plate (25) connects land wheel support arm
Plate (1) and branch arm restraining board (22).
9. the disengaging type land wheel and its transmission device of a kind of air seeder according to claim 8, it is characterised in that: institute
Multiple land wheel support arm reinforcing sleeves (26) are installed on the land wheel support arm plate (1) stated.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910104837.3A CN109566029A (en) | 2019-02-01 | 2019-02-01 | A kind of the disengaging type land wheel and its transmission device of air seeder |
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| CN201910104837.3A CN109566029A (en) | 2019-02-01 | 2019-02-01 | A kind of the disengaging type land wheel and its transmission device of air seeder |
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Cited By (2)
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| CN111247912A (en) * | 2020-03-24 | 2020-06-09 | 华中农业大学 | Pressure stabilizer of pneumatic system of direct seeding machine |
| CN111247912B (en) * | 2020-03-24 | 2024-05-31 | 华中农业大学 | Pneumatic system voltage stabilizer for direct seeding machine |
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| CN111247912B (en) * | 2020-03-24 | 2024-05-31 | 华中农业大学 | Pneumatic system voltage stabilizer for direct seeding machine |
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