CN109937650A - A kind of pneumatic seeder - Google Patents
A kind of pneumatic seeder Download PDFInfo
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- CN109937650A CN109937650A CN201910198101.7A CN201910198101A CN109937650A CN 109937650 A CN109937650 A CN 109937650A CN 201910198101 A CN201910198101 A CN 201910198101A CN 109937650 A CN109937650 A CN 109937650A
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- sowing
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- seed
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
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Abstract
The invention discloses a kind of pneumatic seeder, the seeder including mainframe and at least one；Seeder is fixed on mainframe；Seeder includes sowing rack, land wheel, sowing gearbox, aspirated-air type feed mechanism, ditcher mechanism, breast boards and system for compacting；Ditcher mechanism, breast boards and system for compacting are sequentially arranged in sowing rack, and ditcher mechanism is used to excavate the groove needed for sowing, and breast boards backfills groove after planting for earthing, and the groove after system for compacting is used to backfill earthing is compacted；Aspirated-air type feed mechanism is used to for seed to be sowed being transmitted in the groove of ditcher mechanism excavation；Seeds sucker, land wheel and sowing rack rotation connection are provided on aspirated-air type feed mechanism, and land wheel is arranged to drive seeds sucker by sowing gearbox, to realize the slewing rate of adjustment seeds sucker.The present invention solves the problems, such as that capsicum is directly sowed and lacks corresponding live streaming equipment, saves labor, sows high-efficient.
Description
Technical field
The present invention relates to agricultural mechanical equipment fields, more particularly to a kind of pneumatic seeder.
Background technique
In recent years, as the lasting output of Rural human resources and aging of population trend are accelerated, current stay-at-home soil
Human resources there is the condition of relative deficiency, even resulted in that part farmland is idle, this phenomenon causes various circles of society
Extensive concern.
The seeding method of capsicum is mainly based on artificial at present, and mechanized cultivation ratio is smaller, and traditional pepper cultivation is deposited
In the reasons such as cargo handling operation is cumbersome, collecting time is too long, time-consuming, labor cost is higher, the raising of labor productivity
It is restricted.
Artificial growth is difficult to adapt to the large-scale production of capsicum, and in production practice, which, which has become, restricts capsicum
Produce the major reason of sustainable development.And capsicum directly sows the link due to eliminating nursery and transplanting, dramatically saves
Labour has gradually obtained the approval of vast pepper planting peasant household in recent years, has preferable popularization and application foreground, but lack
The equipment directly sowed accordingly.
Summary of the invention
For the technical problems in the prior art, the object of the present invention is to provide a kind of pneumatic seeders, realize
The automation of capsicum is directly sowed.
The purpose of the invention is achieved by the following technical solution: the seeder including mainframe and at least one；It is described to broadcast
Kind device is fixed on the mainframe；The mainframe with power device for connecting；
The seeder includes sowing rack, land wheel, sowing gearbox, aspirated-air type feed mechanism, ditcher mechanism, breast boards
And system for compacting；
The ditcher mechanism, the breast boards and the system for compacting are sequentially arranged in the sowing rack, described to open
Groove needed for ditch mechanism is used to excavate sowing, the breast boards backfill groove after planting, the system for compacting for earthing
For the groove compacting after backfilling earthing；
The aspirated-air type feed mechanism is used to for seed to be sowed being transmitted in the groove that the ditcher mechanism excavates；
Seeds sucker is provided on the aspirated-air type feed mechanism, the land wheel and the sowing rack are rotatablely connected, and institute
It states land wheel to be arranged to drive the seeds sucker by the sowing gearbox, to realize the rotation speed for adjusting the seeds sucker
Rate.
Pneumatic seeder described above, the seeder are fixed on the mainframe by parallel four-bar profile modeling mechanism
On；
The parallel four-bar profile modeling mechanism include end to end first support bar, second support bar, third support rod and
4th support rod；
The first support bar is fixed on the mainframe, and the third support rod is fixed on the seeder rack
On；The both ends of the second support bar are rotatablely connected with the first support bar and third support rod respectively；4th support
The both ends of bar are rotatablely connected with the first support bar and the third support rod respectively.
Pneumatic seeder described above, the sowing rack have T-type structure, and the sowing rack includes vertically connecting
The first support frame and the second support frame connect；
The ground for being rotatablely connected with the land wheel is additionally provided between first support frame and second support frame
Wheeling supporting frame；
The first end of described ground wheeling supporting frame is fixed on first support frame, the middle position of described ground wheeling supporting frame
It is fixed on second support frame.
Pneumatic seeder described above, the land wheel include friction roller, wheel shaft and ground wheel gear；It is described
Ground wheel shaft is fixed on described ground wheeling supporting frame, and the friction roller and described ground wheel shaft are rotatablely connected, describedly
Wheel gear is fixedly connected with the friction roller；
Described ground wheel gear is by sowing gearbox described in the first chain drive；The sowing gearbox passes through the second chain
Drive the seeds sucker.
Pneumatic seeder described above, the sowing gearbox are fixed on the gearbox installation of first support frame
On plate, it is provided with first gear on the input shaft of the sowing gearbox, the second tooth is provided on the output shaft of the gearbox
Wheel；The first gear is engaged with first chain, and the second gear is engaged with second chain.
Pneumatic seeder described above, the aspirated-air type feed mechanism include seeds sucker, shell, seeding channel, kind
Sub- storehouse, negative pressure cavity, return pump and transmission shaft；
The seed cabin is fixed on the housing, for placing seed to be sowed in the seed cabin；The evacuation
Pump is connected to the negative pressure cavity to maintain the negative pressure in negative pressure cavity, and seed under the action of negative pressure in the seed cabin is inhaled
It is attached on the seeds sucker；
The seeds sucker is fixedly connected with the seeding transmission shaft, drive of the seeding transmission shaft in the sowing gearbox
Act lower rotation；
When the seed being adsorbed on the seeds sucker turns to the seeding channel, act on negative on the seeds sucker
Pressure disappears, and seed enters seeding channel, the grooved position phase that the outlet end in the seeding channel is excavated with the ditcher mechanism
It is right.
Pneumatic seeder described above, the ditcher mechanism include the first ditching-disk, the second ditching-disk, trench digging
Support tube and disk mounting assembly；
First ditching-disk and second ditching-disk are fixed on by the disk mounting assembly described respectively
It ditches on support tube, and the first end of the first end of first ditching-disk and second ditching-disk is towards power device
Direction of advance is mutually drawn close；The breast boards is fixed on the trench digging support tube.
Pneumatic seeder described above is provided with a leakage kind channel, the seeding channel among the trench digging support tube
It is connected to leakage kind channel by hose, the outlet in the leakage kind channel is opposite with the grooved position that the ditcher mechanism excavates.
Pneumatic seeder described above is provided with support tube mounting plate, at least one U-shaped in the sowing rack
Bolt and nut compatible with the U-bolt；
Perforation is provided on the support tube mounting plate, the U-bolt passes through the perforation and connects with the nut thread
It connects, and the trench digging support tube is arranged to be clamped between the U-bolt and the support tube mounting plate.
Pneumatic seeder described above, the system for compacting include rolling wheel, roll wheeling supporting frame, adjust screw thread
Bar, supporting sleeve and regulation handle；
The supporting sleeve is fixed in the sowing rack, and the support pipe sleeve is matched with the adjusting threaded rod screw thread
It closes；
It is described adjust threaded rod first end be fixedly connected with the regulation handle, it is described adjust threaded rod second end and
The wheeling supporting frame that rolls is fixedly connected；
The rolling wheel is mounted on described roll on wheeling supporting frame.
The present invention has the following advantages and effects with respect to the prior art:
1, the present invention solves the problems, such as that capsicum is directly sowed and lacks corresponding live streaming equipment, realizes the automation of capsicum
It directly sows, saves labor, cost-saving synergistic reduces operation procedure, sows high-efficient.
2, the present invention enables seeder to realize elasticity with the fluctuating of landing ground by the setting of parallel link mechanism
It is up and down.Planter is realized to ground profiling to guarantee the depth ditched and sowed.
3, the present invention carries out transmitting driving force by sowing gearbox, and manipulation sowing gearbox rotates seeds sucker with realizing
The adjustment of rate, and seeds sucker transmission rate adjustment affect the sowing frequency of aspirated-air type feed mechanism, and then affect by
Sow the spacing in the rows between object.It thereby realizes and the adjusting that transmission ratio carries out spacing in the rows is adjusted by the gear for adjusting gearbox, from
And the flexibility of sowing is improved, it is convenient to use.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of pneumatic seeder of the embodiment of the present invention.
Fig. 2 is the structural schematic diagram of mainframe in pneumatic seeder of the embodiment of the present invention.
Fig. 3 is the first structure diagram of seeder in pneumatic seeder of the embodiment of the present invention.
Fig. 4 is the second structural schematic diagram of seeder in pneumatic seeder of the embodiment of the present invention.
Fig. 5 is the structural schematic diagram that rack is sowed in pneumatic seeder of the embodiment of the present invention.
Fig. 6 is the structural schematic diagram of ditcher mechanism in pneumatic seeder of the embodiment of the present invention.
Fig. 7 is the structural schematic diagram of aspirated-air type feed mechanism in pneumatic seeder of the embodiment of the present invention.
Fig. 8 is the structural schematic diagram of system for compacting in pneumatic seeder of the embodiment of the present invention.
Wherein, in the embodiment of the present invention: 1, mainframe；2, seeder；21, rack is sowed；211, the first support frame；
2110, gearbox mounting plate；2111, support tube mounting plate；2112, U-bolt；2113, nut；212, the second support frame；
213, wheeling supporting frame；22, land wheel；221, friction roller；222, wheel shaft；223, wheel gear；23, speed change is sowed
Case；231, first gear, 232, second gear；24, aspirated-air type feed mechanism；241, seeds sucker；242, shell；243, seeding is logical
Road；244, seed cabin；245, negative pressure cavity；246, return pump；247, transmission shaft；25, ditcher mechanism；251, the first ditching-disk；
252, the second ditching-disk；253, trench digging support tube；254, disk mounting assembly；26, breast boards；27, system for compacting；271, it grinds
Pinch roller；272, wheeling supporting frame is rolled；273, threaded rod is adjusted；274, supporting sleeve；275, regulation handle；3, four bar modeling machine
Structure；31, first support bar；32, second support bar；33, third support rod；34, the 4th support rod；4, the first chain；5, second
Chain；6, hose.
Specific embodiment
Present invention will now be described in further detail with reference to the embodiments and the accompanying drawings, but embodiments of the present invention are unlimited
In this.
As shown in Figs 1-4, a kind of pneumatic seeder of the preferred embodiment of the present invention, broadcasting including mainframe 1 and two
Kind device 2；Two seeders 2 are symmetrically fixed on mainframe 1.The quantity of seeder 2, which can according to need, to be increased, herein
Specific restriction is not done.Mainframe 1 with power device for connecting.Power device can be the engine apparatus such as tractor herein,
Tractor drives seeder 2 to advance by mainframe 1, and seeder 2 realizes sowing operation during advance.
Specifically, seeder 2 includes sowing rack 21, land wheel 22, sowing gearbox 23, aspirated-air type feed mechanism 24, opens
Ditch mechanism 25, breast boards 26 and system for compacting 27.Sow support frame of the rack 21 as entire seeder 2.Ditcher mechanism 25, gear
Native plate 26 is sequentially fixed in sowing rack 21 with system for compacting 27 along the opposite direction of direction of advance.
Groove needed for ditcher mechanism 25 is used to excavate sowing, breast boards 26 backfill groove after planting, pressure for earthing
Groove after real machine structure 27 is used to backfill earthing is compacted.Aspirated-air type feed mechanism 24 is arranged in ditcher mechanism 25 and breast boards 26
Between, seed to be sowed for being transmitted in the groove that ditcher mechanism 25 excavates by aspirated-air type feed mechanism 24.Sow rack
21 during as power device is advanced first ditcher mechanism 25 excavate sow required for groove, aspirated-air type feed mechanism 24
For seed to be sowed to be transferred in the groove that ditcher mechanism 25 excavates, then breast boards 26 backfills groove with soil
With the seed after cover-seeding, and system for compacting 27 is then compacted the groove after earthing.It is real by above-mentioned sequence of operations
Now complete automatic sowing process.
Specifically, be provided with seeds sucker 241 on aspirated-air type feed mechanism 24, seeds sucker 241 is used for seed from seed cabin
244 are adsorbed on seeds sucker 241, and carry the seed rotation being adsorbed, and reach the entrance in seeding channel 243, leave at this time negative
Pressure ring border, adsorption capacity disappear, and seed enters seeding channel 243 at this time, and seed is transported in groove by seeding channel 243.
Land wheel 22 and sowing rack 21 are rotatablely connected, and land wheel 21 is arranged to drive seeds sucker by sowing gearbox 23
241, to realize the adjustment of the slewing rate of seeds sucker 241.Land wheel 22 plays a supporting role to seeder 2, in power device
Land wheel 22 rotates under pulling function, and the driving force that the rotation of land wheel 22 generates is transferred to seeds sucker 241 by sowing gearbox 23
On, it is may be implemented in this way through manipulation sowing gearbox 23 to realize the adjustment to 241 slewing rate of seeds sucker, and seeds sucker
The adjustment of 241 transmission rates affects the sowing frequency of aspirated-air type feed mechanism 24, and then affects by the strain between sowing object
Away from.It thereby realizes and the adjusting that transmission ratio carries out spacing in the rows is adjusted by the gear for adjusting gearbox, to improve sowing
Flexibility is convenient to use.
Further, as shown in Figure 3-4, seeder 2 is fixed on mainframe 1 by parallel four-bar profile modeling mechanism 3.In parallel
Four bar profile modeling mechanisms 3 include end to end first support bar 31, second support bar 32, third support rod 33 and the 4th support rod
34.First support bar 31 is fixed on mainframe 1, and third support rod 33 is fixed in seeder rack 21；Second support bar 32
Both ends be rotatablely connected respectively with first support bar 31 and third support rod 33；The both ends of 4th support rod 34 respectively with first
Strut 31 and third support rod 33 are rotatablely connected.The mainframe 1 being fixedly connected in this way with first support bar 31 can be with second
The movement of elasticity is realized between the rotation and seeder rack 21 at 34 both ends of rotation and the 4th support rod at 32 both ends of support rod.It is logical
The setting for crossing parallel link mechanism 3 enables seeder 2 to realize the up and down of elasticity with the fluctuating of landing ground.It realizes
Planter guarantees ground profiling the depth ditched and sowed.
Further, as shown in figure 5, sowing rack 21 has T-type structure, sowing rack 21 includes connected vertically first
Support frame 211 and the second support frame 212.Be additionally provided between first support frame 211 and the second support frame 212 for land wheel 22
The ground wheeling supporting frame 213 of rotation connection, land wheel 22 are fixed on the end of ground wheeling supporting frame 213.The first end of ground wheeling supporting frame 213
It is fixed on the first support frame 211, the middle position of ground wheeling supporting frame 213 is fixed on the second support frame 212 close to ground
One end.First support frame 211, the second support frame 212 and ground wheeling supporting frame 213 surround triangular structure, the purpose designed in this way
It is the fastness for improving land wheel 22 and installing.
Specifically, as shown in Figure 1 and Figure 4, land wheel 22 include friction roller 221, wheel shaft 222 and ground wheel gear
223；Ground wheel shaft 222 is fixed on ground wheeling supporting frame 213, and friction roller 221 and ground wheel shaft 222 are rotatablely connected, ground
Wheel gear 223 is fixedly connected with friction roller 221；Ground wheel gear 223 passes through the first chain 4 driving sowing gearbox 23；Sowing
Gearbox 23 drives seeds sucker 241 by the second chain 5.Friction roller 221 and ground friction generate rotation, friction roller 221
It is rotated around ground-driven axis 222, and friction roller 221 is fixedly connected to drive ground wheel gear 223 with ground wheel gear 223
Rotation.Driving force is transmitted to the input shaft of sowing gearbox 23 by ground wheel gear 223 by the first chain 4, sows gearbox 23
Driving force is transmitted to the output shaft of sowing gearbox 23 by its internal gear structure, the output shaft of sowing gearbox 23 is logical
It crosses the second chain 5 and driving force is transmitted to seeds sucker 241, to drive the rotation of seeds sucker 241.
Specifically, sowing gearbox 23 is fixed on the gearbox mounting plate 2110 of the first support frame 211, gearbox is sowed
It is provided with first gear 231 on 23 input shaft, second gear 232 is provided on the output shaft of gearbox 23；First gear 231
It is engaged with the first chain 4, second gear 232 is engaged with the second chain 5, and seeds sucker gear, the second chain are fixed on seeds sucker 241
Item 5 is engaged with seeds sucker gear.It can be realized the smooth transfer of driving force by the cooperation of rack gear and toothed chain.
As shown in fig. 7, aspirated-air type feed mechanism 24 includes seeds sucker 241, shell 242, seeding channel 243, seed cabin
244, negative pressure cavity 245, return pump 246 and transmission shaft 247.Seed cabin 244 is fixed on shell 242, for putting in seed cabin 244
Set seed to be sowed.Return pump 246 is connected to negative pressure cavity 245 to maintain the negative pressure in negative pressure cavity 245, and in the effect of negative pressure
Seed in lower seed cabin 244 is adsorbed on seeds sucker 241.Specifically, return pump 246 can be fixed on mainframe 1, it is more
A seeder 2 can share a return pump 246, and return pump 246 connects to power supply fixation, and power supply is used to supply for return pump 246
Electricity.Power supply is fixed on mainframe 1.Negative pressure is generated in negative pressure cavity 245 under the action of return pump 246, negative pressure generates seed
Adsorption capacity is adsorbed on seeds sucker 241 so that seed be made to adsorb out of seed cabin 244.
And seeds sucker 241 is fixedly connected with seeding transmission shaft 247, driving of the seeding transmission shaft 247 in sowing gearbox 23
The lower rotation of effect, seeds sucker gear are fixed on seeding transmission shaft 247, inhale kind of gearbox 23 by seeds sucker gear and drive seeding
Transmission shaft 247 rotates, and seeding transmission shaft 247 drives seeds sucker 241 to rotate.Seed is rotated as seeds sucker 241 rotates.
When the seed being adsorbed on seeds sucker 241 turns to seeding channel 243, the negative pressure on seeds sucker 241 is acted on
It disappears, seed enters seeding channel 243, and the outlet end in seeding channel 243 is opposite with the grooved position that ditcher mechanism 25 excavates.
The seed fallen from seeds sucker 241 in this way is entered in groove by seeding channel 243, to realize sowing.
Specifically, as shown in fig. 6, ditcher mechanism 25 includes the first ditching-disk 251, the second ditching-disk 252, trench digging branch
Stay tube 253 and disk mounting assembly 254.First ditching-disk 251 and the second ditching-disk 252 pass through disk mounting assembly respectively
254 are fixed on trench digging support tube 253, and the first end court of the first end of the first ditching-disk 251 and the second ditching-disk 252
The direction of advance of power device is mutually drawn close.First ditching-disk 251 and the second ditching-disk 252 mutually draw close the wedge shape to be formed
Body acts on ground generation with the movement of power device, to form groove.Breast boards 26 is fixed on trench digging support tube 253
On.The rear side of the first ditching-disk 251 and the second ditching-disk 252 is arranged in breast boards 26, and aspirated-air type feed mechanism 24 is set
It sets in the front side of breast boards 26.Front side mentioned here refers to the direction that power device is advanced, and rear side then refers to that power device is advanced
Opposite direction.Specific disk mounting assembly 254 can be fixture nut, be provided on trench digging support tube 253 accordingly
Fixing bolt compatible with fixture nut.
Leakage kind channel is provided among trench digging support tube 253, seeding channel 243 is connected to leakage kind channel, leakage by hose 6
The outlet in kind channel is opposite with the grooved position that ditcher mechanism 25 excavates.Wearing for front and back perforation is provided on trench digging support tube 253
Hole, perforation are used as transmitting seed.Seed, which is transmitted, by the perforation that support tube 253 has itself of ditching simplifies structure.
Further, sow rack 21 on be provided with support tube mounting plate 2111, the U-bolt 2112 of at least one and with
The compatible nut 2113 of U-bolt 2112；Perforation is provided on support tube mounting plate 2111, U-bolt 2112 passes through perforation
It is threadedly coupled with nut 2113, and support tube 253 of ditching is arranged to be clamped in U-bolt 2112 and support tube mounting plate 2111
Between.Trench digging support tube 253 is set to be clamped in support tube mounting plate 2111 and U by the cooperation of U-bolt 2112 and nut 2113
The adjustment of trench digging support tube 253 is facilitated between type bolt 2112.And being provided with multiple U-bolts 2112 can enhance open
The installation fastness of ditch support tube 253.When needing trench depth to increase, unclamping nut 2113 makes support tube 253 of ditching
Can be up and down, the support tube 253 that then will ditch adjusts movement to the direction close to ground, when being adjusted to suitable position
When again by nut 2113 and U-bolt 2112 fastening to realize trench digging support tube 253 fixation.Likewise, when needing to subtract
When few depth, the support tube 253 that will ditch is mobile to the direction far from ground.Above structure realizes the tune of trench depth
It is whole, improve the applicability of device.
Specifically, as shown in figure 8, system for compacting 27 includes rolling wheel 271, rolls wheeling supporting frame 272, adjusts threaded rod
273, supporting sleeve 274 and regulation handle 275.Supporting sleeve 274 is fixed in sowing rack 21, support pipe sleeve 274 and adjusting
Threaded rod 273 is threadedly engaged.The first end for adjusting threaded rod 273 is fixedly connected with regulation handle 275, adjusts threaded rod 273
Second end is fixedly connected with wheeling supporting frame 272 is rolled.Rolling wheel 271, which is mounted on, to roll on wheeling supporting frame 272.By adjusting screw thread
The adjustment of 271 height of rolling wheel is realized in the cooperation of bar 273 and supporting sleeve 274, so as to according to different compacting needs pair
System for compacting 27 is adjusted.When needing to increase compacting dynamics, is driven by regulation handle 275 and adjust threaded rod 273
Rotation drives adjusting threaded rod 273 and rolls wheeling supporting frame 272 to the direction movement close to ground.When needing the power that eases off the pressure
When spending, is driven by regulation handle 275 and adjust threaded rod 273 to the direction movement far from ground.
The working principle of pneumatic seeder of the invention is specific as follows: pneumatic seeder and tractor pass through mainframe
1 connection, mainframe 1 drive seeder 2 to carry out farm work.Power is passed to through land wheel 23 is mounted on broadcasting in sowing rack 21
Kind gearbox 23 passes through the sprocket wheel kind of drive and aspirated-air type feed mechanism 24 is driven to work, and sowing gearbox 23 drives seeds sucker 241
Rotation, the negative pressure that return pump 246 provides when operation are entered in negative pressure cavity 245 by pipeline.In the effect of the absorption of negative pressure cavity 245
Lower seed is adsorbed on seeds sucker 241 from seed cabin 244, and is rotated with the rotation of seed pan 241, and when seed is with kind
Sub-disk 241 acts on the reduction of the suction function on seed pan 241 when turning to seeding channel 243, seed drops into seeding
Channel 243. is simultaneously entered in hose 6 by seeding channel 243, then empty by the inside that hose 6 enters trench digging support tube 253
It is intracavitary, it later falls into the groove of two ditching-disks excavation of ditcher mechanism 25.Earthing is carried out under the action of breast boards
Groove is backfilled, to finally be suppressed, realize the mechanization automatic sowing of plant seed burial in suppression device.
According to above-mentioned implementation principle,
The present invention solves the problems, such as that capsicum is directly sowed and lacks corresponding live streaming equipment, realizes the automatic direct of capsicum
Sowing, saves labor, cost-saving synergistic, reduces operation procedure, sows high-efficient.
The present invention enables seeder to realize elasticity with the fluctuating of landing ground by the setting of parallel link mechanism
It is up and down.Planter is realized to ground profiling to guarantee the depth ditched and sowed.
The present invention carries out transmitting driving force by sowing gearbox, and manipulation sowing gearbox rotates speed to seeds sucker to realize
The adjustment of rate, and the adjustment of seeds sucker transmission rate affects the sowing frequency of aspirated-air type feed mechanism, and then affects and broadcast
Spacing in the rows between kind object.It thereby realizes and the adjusting that transmission ratio carries out spacing in the rows is adjusted by the gear for adjusting gearbox, thus
The flexibility for improving sowing, is convenient to use.
The present invention makes trench digging support tube be clamped in support tube mounting plate and U-bolt by the cooperation of U-bolt and nut
Between to facilitate trench digging support tube adjustment.To realize the adjustment of trench depth, the applicability of device is improved.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (10)
1. a kind of pneumatic seeder, which is characterized in that the seeder including mainframe and at least one；The seeder is fixed
On the mainframe；The mainframe with power device for connecting；
The seeder includes sowing rack, land wheel, sowing gearbox, aspirated-air type feed mechanism, ditcher mechanism, breast boards and pressure
Real machine structure；
The ditcher mechanism, the breast boards and the system for compacting are sequentially arranged in the sowing rack, the ditching machine
Groove needed for structure is used to excavate sowing, the breast boards backfill groove after planting for earthing, and the system for compacting is used for
Groove compacting after earthing is backfilled；
The aspirated-air type feed mechanism is used to for seed to be sowed being transmitted in the groove that the ditcher mechanism excavates；
Seeds sucker is provided on the aspirated-air type feed mechanism, the land wheel and the sowing rack are rotatablely connected, and described
Wheel is arranged to drive the seeds sucker by the sowing gearbox, to realize the slewing rate for adjusting the seeds sucker.
2. pneumatic seeder according to claim 1, which is characterized in that the seeder passes through parallel four-bar modeling machine
Structure is fixed on the mainframe；
The parallel four-bar profile modeling mechanism includes end to end first support bar, second support bar, third support rod and the 4th
Support rod；
The first support bar is fixed on the mainframe, and the third support rod is fixed in the seeder rack；Institute
The both ends for stating second support bar are rotatablely connected with the first support bar and third support rod respectively；The two of 4th support rod
End is rotatablely connected with the first support bar and the third support rod respectively.
3. pneumatic seeder according to claim 1, which is characterized in that the sowing rack has T-type structure, described
Sowing rack includes the first support frame and the second support frame connected vertically；
The land wheel branch for being rotatablely connected with the land wheel is additionally provided between first support frame and second support frame
Support；
The first end of described ground wheeling supporting frame is fixed on first support frame, and the middle position of described ground wheeling supporting frame is fixed
On second support frame.
4. pneumatic seeder according to claim 3, which is characterized in that the land wheel include friction roller, rotate
Moving axis and ground wheel gear；Described ground wheel shaft is fixed on described ground wheeling supporting frame, and the friction roller with described rotates
Moving axis rotation connection, described ground wheel gear are fixedly connected with the friction roller；
Described ground wheel gear is by sowing gearbox described in the first chain drive；The sowing gearbox passes through the second chain drive
The seeds sucker.
5. pneumatic seeder according to claim 4, which is characterized in that the sowing gearbox is fixed on described first
On the gearbox mounting plate of support frame, be provided with first gear on the input shaft of the sowing gearbox, the gearbox it is defeated
Second gear is provided on shaft；The first gear is engaged with first chain, the second gear and second chain
Item engagement.
6. pneumatic seeder according to claim 1, which is characterized in that the aspirated-air type feed mechanism includes inhaling kind
Disk, shell, seeding channel, seed cabin, negative pressure cavity, return pump and transmission shaft；
The seed cabin is fixed on the housing, for placing seed to be sowed in the seed cabin；The return pump connects
The negative pressure cavity is connected to maintain the negative pressure in negative pressure cavity, and seed under the action of negative pressure in the seed cabin is adsorbed to
On the seeds sucker；
The seeds sucker is fixedly connected with the seeding transmission shaft, and the seeding transmission shaft is made in the driving of the sowing gearbox
With lower rotation；
When the seed being adsorbed on the seeds sucker turns to the seeding channel, the negative pressure acted on the seeds sucker disappears
It loses, seed enters seeding channel, and the outlet end in the seeding channel is opposite with the grooved position that the ditcher mechanism excavates.
7. pneumatic seeder according to claim 6, which is characterized in that the ditcher mechanism includes the first trench digging circle
Disk, the second ditching-disk, trench digging support tube and disk mounting assembly；
First ditching-disk and second ditching-disk are fixed on the trench digging by the disk mounting assembly respectively
On support tube, and the first end of the first end of first ditching-disk and second ditching-disk is towards the advance of power device
Direction is mutually drawn close；The breast boards is fixed on the trench digging support tube.
8. pneumatic seeder according to claim 7, which is characterized in that be provided with leakage kind among the trench digging support tube
Channel, the seeding channel are connected to leakage kind channel by hose, and the outlet in the leakage kind channel and the ditcher mechanism excavate
Grooved position it is opposite.
9. pneumatic seeder according to claim 7, which is characterized in that be provided with support tube peace in the sowing rack
Loading board, the U-bolt of at least one and nut compatible with the U-bolt；
Perforation is provided on the support tube mounting plate, the U-bolt passes through the perforation and connect with the nut thread, and
The trench digging support tube is arranged to be clamped between the U-bolt and the support tube mounting plate.
10. pneumatic seeder according to claim 1, which is characterized in that the system for compacting includes rolling wheel, rolls
Wheeling supporting frame adjusts threaded rod, supporting sleeve and regulation handle；
The supporting sleeve is fixed in the sowing rack, and the support pipe sleeve is threadedly engaged with the adjusting threaded rod；
It is described adjust threaded rod first end be fixedly connected with the regulation handle, it is described adjusting threaded rod second end with it is described
Wheeling supporting frame is rolled to be fixedly connected；
The rolling wheel is mounted on described roll on wheeling supporting frame.
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| CN201910198101.7A CN109937650A (en) | 2019-03-15 | 2019-03-15 | A kind of pneumatic seeder |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910198101.7A CN109937650A (en) | 2019-03-15 | 2019-03-15 | A kind of pneumatic seeder |
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| CN109937650A true CN109937650A (en) | 2019-06-28 |
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| CN201910198101.7A Pending CN109937650A (en) | 2019-03-15 | 2019-03-15 | A kind of pneumatic seeder |
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| CN112889423A (en) * | 2021-02-08 | 2021-06-04 | 华南农业大学 | Hanging type precision seeder |
| CN114667828A (en) * | 2022-03-04 | 2022-06-28 | 青岛农业大学 | Precision seeder for peanut field breeding |
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Application publication date: 20190628 |