CN105659994A - Pneumatic type precise corn no-tillage planter - Google Patents
Pneumatic type precise corn no-tillage planter Download PDFInfo
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- CN105659994A CN105659994A CN201610201157.XA CN201610201157A CN105659994A CN 105659994 A CN105659994 A CN 105659994A CN 201610201157 A CN201610201157 A CN 201610201157A CN 105659994 A CN105659994 A CN 105659994A
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- depth
- limiting mechanism
- limiting
- parallel
- bevel gear
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/06—Seeders combined with fertilising apparatus
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/20—Parts of seeders for conducting and depositing seed
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/20—Parts of seeders for conducting and depositing seed
- A01C7/201—Mounting of the seeding tools
- A01C7/203—Mounting of the seeding tools comprising depth regulation means
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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
Abstract
The invention belongs to the technical field of agricultural machinery, and relates to a pneumatic type precise corn no-tillage planter. The pneumatic type precise corn no-tillage planter comprises a fan (1), a fan rack (2), a fertilizer box (3), a three-point hanging mechanism (4), an active anti-blocking mechanism (7), a general stander (8), a parallel four-connection-rod seeding mechanism (9), an air pressure distribution pipe (5) and a depth control mechanism (6), wherein the four-connection-rod seeding mechanism (9) further comprises a tension spring adjustment ring (29), a stop piece (37) and a lower parallel four-connection-rod limiting mechanism (38); and the depth control mechanism (6) comprises a depth control mechanism mounting plate (46), a depth control mechanism rotating shaft (47), a spring fixing pin (48), an adjustment spring (49), a depth control mechanism adjustment handle (50), a limiting plate (51), a depth control wheel (52), a first depth control mechanism bevel gear transmission box (17) and a second depth control mechanism bevel gear transmission box (56). The planter integrates the active anti-blocking mechanism, a pneumatic type planter and seeding profiling.
Description
Technical field
The invention belongs to agricultural machinery technological field, be specifically related to a kind of Pneumatic type precision corn amount no-tillage seeding machine.
Background technology
Present agricultural production, as primarily now agricultural equipment, is had significant impact by seeder. Huang-Huai-Hai no-till maize exist straw toughness greatly, easily block up, depth of planting is unstable, Conventional parallel quadric chain extension spring regulates the problems such as inconvenient, parallel four-bar linkage not active lower limiting function in transport simultaneously, facility are too small with road surface spacing, and road bump fluctuating easily causes seeder and causes damage with road surface collision.
It addition, pneumatic type seeder distribution of air flow many employings equal diameter airduct in prior art, replay when easily causing high pressure, the problem of broadcast leakage during low pressure.
Present domestic main seeder adopts mechanical seed sowing device, and speed of drilling is low, seeding accuracy is poor. Seeder feeler mechanism CN103688627A adopts intersecting axle profiling, a kind of individual profiling formula rice wheat dual-purpose precision drill CN104067706A, a kind of profiling seeding apparatus CN204907056U, frame-type parallel link mechanism CN86207593U, seeder feeler mechanism CN105210488A all adopt parallel four-bar linkage, but all spring adjustment and lower limit problem are not provided reasonable plan.
Summary of the invention
The present invention is directed to the problems referred to above, it is provided that a kind of Pneumatic type precision corn amount no-tillage seeding machine integrating actively anti-jamming mechanism, Pneumatic seeding apparatus, sowing profiling.
For achieving the above object, technical scheme is as follows:
A kind of Pneumatic type precision corn amount no-tillage seeding machine, including blower fan 1, blower rack 2, fertilizer box 3, three-point hitch 4, actively anti-jamming mechanism 7, implement porter 8 and parallel?ordinal shift sowing mechanism 9;
The lower end of described fertilizer box 3 is provided with fertilizer box power transmission shaft 61, and fertilizer box power transmission shaft 61 is arranged fertilizer box driven sprocket 62;
Described parallel?ordinal shift sowing mechanism 9 includes parallel four-bar linkage 26, bearing pin 27, feed mechanism for seed 36, parallel?ordinal shift sowing mechanism the first sprocket wheel 13 are installed in extension spring, wherein, parallel four-bar linkage 26 includes connecting rod 261, front rod 262, lower link 263 and back link 264, parallel?ordinal shift sowing mechanism the first sprocket wheel 13 same cylindrical drive shaft 59 of traverse of multiple parallel?ordinal shift sowing mechanisms 9, and fixing with cylindrical drive shaft 59 is connected, layout cylindrical drive shaft driven sprocket 66 on cylindrical drive shaft 59;
This seeder also includes blast distribution pipe 5 and depth-limiting mechanism 6;
The air outlet of blower fan 1 distributes pipe 5 through blast and connects with the feed mechanism for seed 36 of parallel?ordinal shift sowing mechanism 9, and described blast distribution pipe 5 includes mid portion and two end portions, and wherein, the diameter r of mid portion is less than the diameter R of two end portions;
Described parallel?ordinal shift sowing mechanism 9 also includes extension spring and regulates ring 29, block 37, parallel?ordinal shift lower limiting mechanism 38;
Described extension spring regulates ring 29 and includes action bars 11, regulates ring 39 and support bar 40, action bars 11 is fixed on adjustment ring 39 side, support bar 40 be fixed on on the adjustment ring 39 of the opposite side of action bars 11, extension spring installs bearing pin 27 through regulating ring 39, and support bar 40 is placed on upper connecting rod 261 upper surface of parallel four-bar linkage 26;
Described parallel?ordinal shift lower limiting mechanism 38 includes bearing pin 41, pad 42, stage clip 43, lower limiting mechanism rotating shaft 44, limiting component 45 and lower limiting mechanism regulate handle 12, wherein, the lower limiting mechanism rotating shaft 44 upper connecting rod 261 of traverse, and it is hinged with upper connecting rod 261, stage clip 43 and pad 42 are sleeved in lower limiting mechanism rotating shaft 44 successively, and it is positioned at the inner side of connecting rod 261, bearing pin 41 inserts in the aperture of lower limiting mechanism rotating shaft 44 end, limiting component 45 includes limiting section 64 and connecting portion 65, wherein the upper end of connecting portion 65 is fixing with lower limiting mechanism rotating shaft 44 is connected, limiting section 64 is positioned at the lower section of connecting rod 261, the outside of upper connecting rod 261 is fixedly connected with block 37, and this block 37 props up connecting portion 65, makes the angle that limiting section 64 is resisted against between connecting rod 261 and front rod 262,
Described depth-limiting mechanism 6 includes depth-limiting mechanism installing plate 46, depth-limiting mechanism rotating shaft 47, spring steady pin 48, regulate spring 49, depth-limiting mechanism regulates handle 50, limiting plate 51, gauge wheel 52, first depth-limiting mechanism Bevel Gear Transmission box 17 and the second depth-limiting mechanism Bevel Gear Transmission box 56, wherein, first end of depth-limiting mechanism installing plate 46 is fixed on implement porter 8, its second end is near gauge wheel 52, for arc tips, along described second end, multiple adjustment hole position 53 is set, two adjustment hole positions of correspondence 53 of two the depth-limiting mechanism installing plates 46 in left and right are one group, often group adjustment hole position 53 has different height from ground, limiting plate 51 is arranged at the outside of depth-limiting mechanism installing plate 46, gauge wheel 52 is between the limiting plate 51 of two, left and right, one end of limiting plate 51 and depth-limiting mechanism installing plate 46 are hinged by depth-limiting mechanism rotating shaft 47, the other end of limiting plate 51 is connected with the rotating shaft of gauge wheel 52, and limiting plate 51 is provided with the strip hole corresponding in position with the second end of depth-limiting mechanism installing plate 46, spring steady pin 48 is fixed between two the depth-limiting mechanism installing plates 46 in left and right, the one end regulating spring 49 is articulated on spring steady pin 48, the other end is articulated in depth-limiting mechanism and regulates on handle 50, and depth-limiting mechanism regulates the two ends of handle 50 and is respectively clamped in one group of adjustment hole position 53 of two the depth-limiting mechanism installing plates 46 in left and right and is further inserted in the strip hole of limiting plate 51,
Described limiting plate 51 be respectively arranged at two ends with depth-limiting mechanism the first Bevel Gear Transmission box 17 and depth-limiting mechanism the second Bevel Gear Transmission box 56, the power shaft of depth-limiting mechanism the first Bevel Gear Transmission box 17 is fixing with the wheel shaft of gauge wheel 52 to be connected, the output shaft of depth-limiting mechanism the first Bevel Gear Transmission box 17 is connected with the power shaft of depth-limiting mechanism the second Bevel Gear Transmission box 56, depth-limiting mechanism the second Bevel Gear Transmission box 56 same six side's power transmission shafts 60 of traverse of multiple depth-limiting mechanisms 6, and fixing with six side's power transmission shafts 60 be connected, six side's power transmission shafts 60 are respectively arranged fertilizer box drive sprocket 57 and cylindrical drive shaft drive sprocket 58, and fertilizer box drive sprocket 57 is connected with the fertilizer box driven sprocket 62 on fertilizer box power transmission shaft 61, cylindrical drive shaft drive sprocket 58 is connected with the cylindrical drive shaft driven sprocket 66 on cylindrical drive shaft 59.
The relation of the diameter r of blast distribution pipe 5 mid portion and the diameter R of blast distribution pipe 5 two end portions is 3r2=2R2。
The length L of the mid portion of described blast distribution pipe 5 is more than the length l of two end portions, and L=2l.
Described action bars 11 is fixed on adjustment ring 39 side along the diametric(al) regulating ring 39;
Described support bar 40 is perpendicular to and regulates the anchor ring that ring 39 is formed.
It is connected by intermediate propeller shaft 55 between the output shaft of described depth-limiting mechanism the first Bevel Gear Transmission box 17 and the power shaft of depth-limiting mechanism the second Bevel Gear Transmission box 56.
The beneficial effects of the present invention is:
1) adopt actively deep-graded to regulate, solve the problem that existing depth adjusting mechanism degree of regulation is poor, regulate inconvenience, it is ensured that seed level concordance; Adopting independent depth-limiting mechanism 6 to can guarantee that complete machine stable working, and assist to regulate seed level and fertilization depth, depth-limiting mechanism 6 is relatively big to surface pressure simultaneously, and contact is stable, and depth-limiting mechanism 6 is more stable as driving wheel as driving wheel relatively press wheel, and slip rate is lower.
2) parallel?ordinal shift spring regulates and adopts circle to regulate ring auxiliary adjustment, convenient and strength-saving, can free-hand not complete by instrument. Owing to initial tension of spring is relatively big, free-hand adjustment has been difficult to, it is generally required to undertaken by other instruments. Regulating ring effect is extension spring is installed bearing pin be lifted away from a mouthful groove, and is guided to adjacent apertures groove by inner circle arc, reaches the purpose regulated.
3) parallel?ordinal shift lower limiting mechanism 38 adopts actively spacing, is effectively ensured in transportation seeder and the difference in height on ground.
4) seeder blast distribution pipe 5 adopts variable diameters design, it is ensured that each air outlet blast is consistent, solve equal diameter air pressure distribute pipe cause that two ends air pressure is big, the problem of the little replay caused of mesobar and broadcast leakage.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the Pneumatic type precision corn amount no-tillage seeding machine of the present invention;
Fig. 2 is the structural representation of the Pneumatic type precision corn amount no-tillage seeding machine blast distribution pipe 5 of the present invention;
Fig. 3 is the structural representation of the Pneumatic type precision corn amount no-tillage seeding machine actively anti-jamming mechanism 7 of the present invention;
Fig. 4 a is the structural representation of the Pneumatic type precision corn amount no-tillage seeding machine parallel?ordinal shift sowing mechanism 9 of the present invention;
Fig. 4 b is the structural representation of Pneumatic type precision corn amount no-tillage seeding machine another angle of parallel?ordinal shift sowing mechanism 9 of the present invention;
Fig. 5 a is the structural representation of the Pneumatic type precision corn amount no-tillage seeding machine depth-limiting mechanism 6 of the present invention;
Fig. 5 b is the structural representation of Pneumatic type precision corn amount another angle of no-tillage seeding machine depth-limiting mechanism 6 of the present invention;
Fig. 6 is the structural representation of the Pneumatic type precision corn amount no-tillage seeding machine extension spring adjustment ring 29 of the present invention;
Fig. 7 is the structural representation of the lower limiting mechanism 38 of the Pneumatic type precision corn amount no-tillage seeding machine parallel?ordinal shift of the present invention.
Fig. 8 a is the annexation schematic diagram of parallel?ordinal shift lower limiting mechanism 38 and the upper connecting rod 261 of the Pneumatic type precision corn amount no-tillage seeding machine of the present invention, front rod 262, block 37.
Fig. 8 b is the parallel?ordinal shift lower limiting mechanism 38 annexation schematic diagram with upper connecting rod 261, front rod 262 of the Pneumatic type precision corn amount no-tillage seeding machine of the present invention.
Fig. 9 is the structural representation of the fertilizer box 3 of the Pneumatic type precision corn amount no-tillage seeding machine of the present invention.
Accompanying drawing labelling
1 blower fan
2 blower racks
3 fertilizer box
4 three-point hitches
5 blast distribution pipes
6 depth-limiting mechanisms
7 active anti-jamming mechanisms
8 implement porters
9 parallel?ordinal shift sowing mechanisms
10 active anti-jamming mechanism Bevel Gear Transmission box connecting plates
11 action bars
12 lower limiting mechanisms regulate handle
13 parallel?ordinal shift sowing mechanism the first sprocket wheels
14 parallel?ordinal shift sowing mechanism the second sprocket wheels
15 parallel?ordinal shift sowing mechanism the 3rd sprocket wheels
16 parallel?ordinal shift sowing mechanism the 4th sprocket wheels
17 depth-limiting mechanism the first Bevel Gear Transmission boxes
18 active anti-jamming mechanism Bevel Gear Transmission boxes
19 active anti-jamming mechanism connecting plates
20 trench digging lower limbs connect sleeve pipe
21 trench digging lower limbs
The 22 anti-blocking rollers of active
23 points of careless screens
24 furrowing blades
25 parallel?ordinal shift sowing mechanism connecting plates
26 parallel four-bar linkages
Connecting rod on 261
262 front rods
263 lower links
264 back links
Bearing pin is installed in 27 extension springs
28 extension springs
29 extension springs regulate ring
30 feed mechanism for seed installing plates
31 kinds of casees
32 press wheels
33 press wheel installing racks
34 trailing bars
35 seed openers
36 feed mechanism for seeds
37 blocks
38 parallel?ordinal shift lower limiting mechanisms
39 regulate ring
40 support bars
41 bearing pins
42 pads
43 stage clips
44 lower limiting mechanism rotating shafts
45 limiting components
46 depth-limiting mechanism installing plates
47 depth-limiting mechanism rotating shafts
48 spring steady pins
49 regulate spring
50 depth-limiting mechanisms regulate handle
51 limiting plates
52 gauge wheels
53 adjustment hole positions
54 active anti-jamming mechanism sprocket wheels
55 intermediate propeller shafts
56 depth-limiting mechanism the second Bevel Gear Transmission boxes
57 fertilizer box drive sprockets
58 cylindrical drive shaft drive sprockets
59 cylindrical drive shafts
60 6 side's power transmission shafts
61 fertilizer box power transmission shafts
62 fertilizer box driven sprockets
63 fertilizer box drive sprockets
64 limiting sections
65 connecting portions
66 cylindrical drive shaft driven sprockets
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
As it is shown in figure 1, a kind of Pneumatic type precision corn amount no-tillage seeding machine, including blower fan 1, blower rack 2, fertilizer box 3, three-point hitch 4, blast distribution pipe 5, depth-limiting mechanism 6, actively anti-jamming mechanism 7, implement porter 8 and parallel?ordinal shift sowing mechanism 9.
Described implement porter 8 is hollow beam, its crossbeam front center connects three-point hitch 4, front end is connected below multiple active anti-jamming mechanism 7, crossbeam rear end is connected below multiple parallel?ordinal shift sowing mechanism 9 and depth-limiting mechanism 6, and actively anti-jamming mechanism 7 and parallel?ordinal shift sowing mechanism 9 interlaced arrangement. Multiple depth-limiting mechanisms 6 are arranged symmetrically with, and depth-limiting mechanism 6 is preferably two, and two depth-limiting mechanisms 6 are symmetrically arranged in inside the parallel?ordinal shift sowing mechanism 9 of first, both sides. Blower fan 1 is fixed on three-point hitch 4 by blower rack 2, and the air outlet of blower fan 1 is distributed pipe 5 through blast and connected with the feed mechanism for seed 36 of parallel?ordinal shift sowing mechanism 9 by pipeline. Fertilizer box 3 is fixed on implement porter 8. Described fertilizer box 3 is preferably two, lays respectively at the both sides of blower fan 1.
As in figure 2 it is shown, described blast distribution pipe 5 includes mid portion and two end portions, wherein, the diameter r of mid portion is less than the diameter R of two end portions, it is preferable that 3r2=2R2; The length L of mid portion is more than the length l of two end portions, it is preferable that L=2l.
As shown in Figure 3, described active anti-jamming mechanism 7 adopts uproots shovel type ditching machine with dual, including actively anti-jamming mechanism Bevel Gear Transmission box connecting plate 10, actively anti-jamming mechanism Bevel Gear Transmission box 18, actively anti-jamming mechanism connecting plate 19, trench digging lower limb connection sleeve pipe 20, trench digging lower limb 21, actively anti-blocking roller 22, point grass screen 23, furrowing blade 24 and active anti-jamming mechanism sprocket wheel 54. Wherein, furrowing blade 24 includes spear and is arranged in two blocks of side plates of spear rear end, and actively the lower end of anti-blocking roller 22 is hinged between the front end of two blocks of side plates of furrowing blade 24, and upper end is fixing with the output shaft of actively anti-jamming mechanism Bevel Gear Transmission box 18 to be connected. Actively the power shaft of anti-jamming mechanism Bevel Gear Transmission box 18 is provided with actively anti-jamming mechanism sprocket wheel 54; Actively anti-jamming mechanism Bevel Gear Transmission box 18 is connected with actively anti-jamming mechanism connecting plate 19 is fixing by actively anti-jamming mechanism Bevel Gear Transmission box connecting plate 10. Lower limb 21 of ditching is arranged in actively anti-blocking roller 22 rear, and lower limb 21 lower end of ditching is fixed with two blocks of side plates of furrowing blade 24 and is connected, and upper end is connected the fixing connection of sleeve pipe 20 with trench digging lower limb. Trench digging lower limb connects the upper end of sleeve pipe 20 and is connected with actively anti-jamming mechanism connecting plate 19 is fixing. Grass screen 23 is divided to be fixedly connected on trench digging lower limb 21 rear. Actively anti-jamming mechanism 7 is fixed on implement porter 8 by actively anti-jamming mechanism connecting plate 19.
As it is shown in figure 9, the lower end of described fertilizer box 3 is provided with defertilizing opening, fertilizer is transported to by flexible pipe between two blocks of side plates of furrowing blade 24 and applies fertilizer by this defertilizing opening. Fertilizer box 3 lower end is provided with fertilizer box power transmission shaft 61, and fertilizer box power transmission shaft 61 is respectively arranged fertilizer box driven sprocket 62 and fertilizer box drive sprocket 63, and wherein, fertilizer box drive sprocket 63 is connected with actively anti-jamming mechanism sprocket wheel 54 by chain.
As shown in Figs. 4a and 4b, described parallel?ordinal shift sowing mechanism 9 includes parallel?ordinal shift sowing mechanism connecting plate 25, parallel four-bar linkage 26, bearing pin 27 is installed in extension spring, extension spring 28, extension spring regulates ring 29, feed mechanism for seed installing plate 30, plant case 31, press wheel 32, press wheel installing rack 33, trailing bar 34, seed opener 35, feed mechanism for seed 36, block 37, parallel?ordinal shift lower limiting mechanism 38, parallel?ordinal shift sowing mechanism the first sprocket wheel 13, parallel?ordinal shift sowing mechanism the second sprocket wheel 14, parallel?ordinal shift sowing mechanism the 3rd sprocket wheel 15 and parallel?ordinal shift sowing mechanism the 4th sprocket wheel 16, wherein, parallel four-bar linkage 26 includes connecting rod 261, front rod 262, lower link 263 and back link 264, described upper connecting rod 261, front rod 262, lower link 263 and the hinged formation parallel?ordinal shift structure of back link 264.Upper connecting rod 261 upper end has multiple gap slot. Extension spring is installed in one group of gap slot that bearing pin 27 two ends are respectively clamped into two upper connecting rod 261 correspondences, and regulates between each group of gap slot. The two ends of extension spring 28 are articulated in extension spring respectively and install on bearing pin 27 and lower link 263. Parallel?ordinal shift sowing mechanism connecting plate 25 is fixing with the front rod 262 of parallel four-bar linkage 26 to be connected, and feed mechanism for seed installing plate 30 is fixing with the back link 264 of parallel four-bar linkage 26 to be connected. Planting case 31 and be fixedly connected on the upper end of feed mechanism for seed installing plate 30, feed mechanism for seed 36 is fixedly connected on the lower end of feed mechanism for seed installing plate 30, and the seed inlet of the sowing port and feed mechanism for seed 36 planting case 31 connects. Press wheel 32 is fixed on feed mechanism for seed installing plate 30 rear portion by press wheel installing rack 33, and seed opener 35 upper end is fixed with feed mechanism for seed installing plate 30, and trailing bar 34 is fixed on lower end, seed opener 35 rear portion. Feed mechanism for seed 36 is Pneumatic seeding apparatus, adopts tractor transmission shaft output powered belt wind symptom machine 1 to rotate, and blower fan 1 produces blast, distributes pipe 5 by distribution of air flow to each feed mechanism for seed 36 by blast, completes to fill kind. Employing Pneumatic seeding apparatus is little to seed damage, seeding precision high, operating speed is fast. Press wheel 32 is with surface relief and passes through profiling after parallel four-bar linkage 26 completes, it is ensured that the concordance of depth of planting.
Parallel?ordinal shift sowing mechanism the first sprocket wheel 13 is positioned at the junction of front rod 262 and lower link 263, parallel?ordinal shift sowing mechanism the second sprocket wheel 14 and parallel?ordinal shift sowing mechanism the 3rd sprocket wheel 15 are positioned at lower link 263 and the junction of back link 264, parallel?ordinal shift sowing mechanism the second sprocket wheel 14 and parallel?ordinal shift sowing mechanism the 3rd sprocket wheel 15 coaxially and connect, parallel?ordinal shift sowing mechanism the 4th sprocket wheel 16 is fixing with the power intake of feed mechanism for seed 36 to be connected, and between parallel?ordinal shift sowing mechanism the first sprocket wheel 13 and parallel?ordinal shift sowing mechanism the second sprocket wheel 14, connect each through chain between parallel?ordinal shift sowing mechanism the 3rd sprocket wheel 15 and parallel?ordinal shift sowing mechanism the 4th sprocket wheel 16. parallel?ordinal shift sowing mechanism first sprocket wheel 13 of multiple parallel?ordinal shift sowing mechanisms 9 is through same cylindrical drive shaft 59, and fixing with cylindrical drive shaft 59 is connected, layout cylindrical drive shaft driven sprocket 66 on cylindrical drive shaft 59.
As shown in Figure 6, described extension spring adjustment ring 29 includes action bars 11, regulates ring 39 and support bar 40. Action bars 11 along regulate ring 39 diametric(al) be fixed on adjustment ring 39 side, support bar 40 be perpendicular to regulate ring 39 formed anchor ring, be fixed on on the adjustment ring 39 of the opposite side of action bars 11. Extension spring installs bearing pin 27 through regulating ring 39. During adjustment, support bar 40 is placed on upper connecting rod 261 upper surface of parallel four-bar linkage 26, pull up action bars 11, make side-lower in adjustment ring 39, with extension spring, bearing pin 27 be installed to contact, move rearwardly and upwardly with action bars 11, depart from existing gap slot, when arriving corresponding adjusting position, put down action bars 11, complete to regulate.
As it is shown in fig. 7, described parallel?ordinal shift lower limiting mechanism 38 includes bearing pin 41, pad 42, stage clip 43, lower limiting mechanism rotating shaft 44, limiting component 45 and lower limiting mechanism regulates handle 12. Wherein, the upper connecting rod 261 of lower limiting mechanism rotating shaft 44 traverse. Stage clip 43 and pad 42 are sleeved on lower limiting mechanism rotating shaft 44 successively and are positioned in the part of inner side of connecting rod 261, and bearing pin 41 inserts in the aperture of lower limiting mechanism rotating shaft 44 end, carry out spacing to stage clip 43 and pad 42.Limiting component 45 includes limiting section 64 and connecting portion 65, and wherein the upper end of connecting portion 65 is fixing with lower limiting mechanism rotating shaft 44 is connected, and limiting section 64 is positioned at the lower section of connecting rod 261; The outside of upper connecting rod 261 is fixedly connected with block 37, the front side of this block 37 props up the rear side of connecting portion 65, make the angle that limiting section 64 is resisted against between connecting rod 261 and front rod 262, parallel four-bar linkage 26 only can move upward, and can not move downward, to ensure in transportation, the distance on seeder and road surface. During seeder operation, first, stir connecting portion 65 laterally, and limiting section 64 is removed the angle of upper connecting rod 261 and front rod 262, then, rotating junction 65, makes the front side of connecting portion 65 be resisted against the rear side of block 37, and parallel four-bar linkage 26 is no longer carried out spacing by parallel?ordinal shift lower limiting mechanism 38.
As shown in Fig. 5 a, 5b, described depth-limiting mechanism 6 includes depth-limiting mechanism installing plate 46, depth-limiting mechanism rotating shaft 47, spring steady pin 48, adjustment spring 49, depth-limiting mechanism adjustment handle 50, limiting plate 51, gauge wheel the 52, first depth-limiting mechanism Bevel Gear Transmission box the 17, second depth-limiting mechanism Bevel Gear Transmission box 56 and intermediate propeller shaft 55. Wherein, first end of depth-limiting mechanism installing plate 46 is fixed on implement porter 8, its second end is near gauge wheel 52, for arc tips, along described second end, multiple adjustment hole position 53 is set, two adjustment hole positions of correspondence 53 of two the depth-limiting mechanism installing plates 46 in left and right are one group, and often group adjustment hole position 53 has different height from ground, is used for regulating depth of planting.
Limiting plate 51 is arranged at the outside of depth-limiting mechanism installing plate 46, and gauge wheel 52 is between the limiting plate 51 of two, left and right. One end of limiting plate 51 and depth-limiting mechanism installing plate 46 are hinged by depth-limiting mechanism rotating shaft 47, and the other end of limiting plate 51 is connected with the rotating shaft of gauge wheel 52. Limiting plate 51 is provided with the strip hole corresponding in position with the second end of depth-limiting mechanism installing plate 46.
Spring steady pin 48 is fixed between two the depth-limiting mechanism installing plates 46 in left and right, and the one end regulating spring 49 is articulated on spring steady pin 48, and the other end is articulated in depth-limiting mechanism and regulates on handle 50. Depth-limiting mechanism regulates the two ends of handle 50 and is respectively clamped in one group of adjustment hole position 53 of two the depth-limiting mechanism installing plates 46 in left and right and is further inserted in the strip hole of limiting plate 51. When depth-limiting mechanism regulates the position 53, different adjustment hole that handle 50 is arranged in installing plate 46, angle between limiting plate 51 and ground changes, so that the angle between gauge wheel 52 and ground changes, gauge wheel 52 thus be limited in the different operating degree of depth, thus realizing the adjustment of depth of planting.
Limiting plate 51 be respectively arranged at two ends with depth-limiting mechanism the first Bevel Gear Transmission box 17 and depth-limiting mechanism the second Bevel Gear Transmission box 56, the power shaft of depth-limiting mechanism the first Bevel Gear Transmission box 17 is fixing with the wheel shaft of gauge wheel 52 to be connected, it is connected by intermediate propeller shaft 55 between the output shaft of depth-limiting mechanism the first Bevel Gear Transmission box 17 and the power shaft of depth-limiting mechanism the second Bevel Gear Transmission box 56, depth-limiting mechanism the second Bevel Gear Transmission box 56 same six side's power transmission shafts 60 of traverse of multiple depth-limiting mechanisms 6, and fixing with six side's power transmission shafts 60 be connected, six side's power transmission shafts 60 are respectively arranged fertilizer box drive sprocket 57 and cylindrical drive shaft drive sprocket 58, and fertilizer box drive sprocket 57 is connected by chain with the fertilizer box driven sprocket 62 on fertilizer box power transmission shaft 61, cylindrical drive shaft drive sprocket 58 is connected with the cylindrical drive shaft driven sprocket 66 on cylindrical drive shaft 59.
During operation, tractor passes through three-point hitch 4 tractor seeder, actively first anti-jamming mechanism 7 buries, gauge wheel 52 rotates, thus driving depth-limiting mechanism the first Bevel Gear Transmission box 17 to rotate, and impart power to depth-limiting mechanism the second Bevel Gear Transmission box 56 by intermediate propeller shaft 55, thus driving six side's power transmission shafts 60 to rotate, six side's power transmission shafts 60 drive the fertilizer box driven sprocket 62 on fertilizer box power transmission shaft 61 to rotate by fertilizer box drive sprocket 57, fertilizer is transported between two blocks of side plates of furrowing blade 24 in the fertile ditch outputed by flexible pipe from fertilizer box 3, completes fertilizer. fertilizer box drive sprocket 63 in fertilizer box 3, by chain-driving actively anti-jamming mechanism sprocket wheel 54, drives actively anti-blocking roller 22 to rotate, and straw is pushed both sides, and edge point grass screen 23 bearing of trend is distributed in the both sides of actively anti-jamming mechanism 7, completes anti-blocking. kind of a ditch outputed by seed opener 35 subsequently, six side's power transmission shafts 60 drive cylindrical drive shaft 59 by cylindrical drive shaft drive sprocket 58, parallel?ordinal shift sowing mechanism the first sprocket wheel 13 rotates with cylindrical drive shaft 59, parallel?ordinal shift sowing mechanism the second sprocket wheel 14 is imparted power to respectively through chain, parallel?ordinal shift sowing mechanism the second sprocket wheel 14 is coaxial with parallel?ordinal shift sowing mechanism the 3rd sprocket wheel 15 and fixing is connected, power is transferred to parallel?ordinal shift sowing mechanism the 4th sprocket wheel 16 being positioned at feed mechanism for seed 36 input from parallel?ordinal shift sowing mechanism the 3rd sprocket wheel 15, Pneumatic seeding apparatus 36 completes seeding operation under the combined effect of blower fan 1 and parallel?ordinal shift sowing mechanism the 4th sprocket wheel 16, ditch is filled out in trailing bar 34 scraping, the kind ditch of press wheel 32 compacting subsequently fulfils assignment.
Claims (5)
1. a Pneumatic type precision corn amount no-tillage seeding machine, including blower fan (1), blower rack (2), fertilizer box (3), three-point hitch (4), actively anti-jamming mechanism (7), implement porter (8) and parallel?ordinal shift sowing mechanism (9);
The lower end of described fertilizer box (3) is provided with fertilizer box power transmission shaft (61), and fertilizer box power transmission shaft (61) is upper arranges fertilizer box driven sprocket (62);
Described parallel?ordinal shift sowing mechanism (9) includes parallel four-bar linkage (26), bearing pin (27) is installed in extension spring, feed mechanism for seed (36), parallel?ordinal shift sowing mechanism the first sprocket wheel (13), wherein, parallel four-bar linkage (26) includes connecting rod (261), front rod (262), lower link (263) and back link (264), the parallel?ordinal shift sowing mechanism the first sprocket wheel (13) the same cylindrical drive shaft of traverse (59) of multiple parallel?ordinal shift sowing mechanisms (9), and fixing with cylindrical drive shaft (59) be connected, cylindrical drive shaft (59) is upper arranges cylindrical drive shaft driven sprocket (66),
It is characterized in that:
This seeder also includes blast distribution pipe (5) and depth-limiting mechanism (6);
The air outlet of blower fan (1) connects with the feed mechanism for seed (36) of parallel?ordinal shift sowing mechanism (9) through blast distribution pipe (5), described blast distribution pipe (5) includes mid portion and two end portions, wherein, the diameter r of mid portion is less than the diameter R of two end portions;
Described parallel?ordinal shift sowing mechanism (9) also includes extension spring and regulates ring (29), block (37), parallel?ordinal shift lower limiting mechanism (38);
Described extension spring regulates ring (29) and includes action bars (11), regulates ring (39) and support bar (40), action bars (11) is fixed on adjustment ring (39) side, support bar (40) be fixed on on the adjustment ring (39) of the opposite side of action bars (11), extension spring installs bearing pin (27) through regulating ring (39), and support bar (40) is placed on upper connecting rod (261) upper surface of parallel four-bar linkage (26);
Described parallel?ordinal shift lower limiting mechanism (38) includes bearing pin (41), pad (42), stage clip (43), lower limiting mechanism rotating shaft (44), limiting component (45) and lower limiting mechanism regulate handle (12), wherein, connecting rod (261) in lower limiting mechanism rotating shaft (44) traverse, and it is hinged with upper connecting rod (261), stage clip (43) and pad (42) are sleeved in lower limiting mechanism rotating shaft (44) successively, and it is positioned at the inner side of connecting rod (261), bearing pin (41) inserts in the aperture of lower limiting mechanism rotating shaft (44) end, limiting component (45) includes limiting section (64) and connecting portion (65), wherein the upper end of connecting portion (65) is fixing with lower limiting mechanism rotating shaft (44) is connected, limiting section (64) is positioned at the lower section of connecting rod (261), the outside of upper connecting rod (261) is fixedly connected with block (37), the front side of this block (37) props up the rear side of connecting portion (65), makes the angle that limiting section (64) is resisted against between connecting rod (261) and front rod (262),
Described depth-limiting mechanism (6) includes depth-limiting mechanism installing plate (46), depth-limiting mechanism rotating shaft (47), spring steady pin (48), regulate spring (49), depth-limiting mechanism regulates handle (50), limiting plate (51), gauge wheel (52), first depth-limiting mechanism Bevel Gear Transmission box (17) and the second depth-limiting mechanism Bevel Gear Transmission box (56), wherein, first end of depth-limiting mechanism installing plate (46) is fixed on implement porter (8), its second end is near gauge wheel (52), for arc tips, along described second end, multiple adjustment hole position (53) is set, two adjustment hole positions (53) of correspondence of two the depth-limiting mechanism installing plates (46) in left and right are one group, often group adjustment hole position (53) has different height from ground, limiting plate (51) is arranged at the outside of depth-limiting mechanism installing plate (46), gauge wheel (52) is positioned between two limiting plates (51) in left and right, one end of limiting plate (51) is hinged by depth-limiting mechanism rotating shaft (47) with depth-limiting mechanism installing plate (46), the other end of limiting plate (51) is connected with the rotating shaft of gauge wheel (52), and limiting plate (51) is provided with the strip hole corresponding in position with the second end of depth-limiting mechanism installing plate (46), spring steady pin (48) is fixed between two the depth-limiting mechanism installing plates (46) in left and right, the one end regulating spring (49) is articulated on spring steady pin (48), the other end is articulated in depth-limiting mechanism and regulates on handle (50), and depth-limiting mechanism regulates the two ends of handle (50) and is respectively clamped in one group of adjustment hole position (53) of two the depth-limiting mechanism installing plates (46) in left and right and is further inserted in the strip hole of limiting plate (51),
Described limiting plate (51) be respectively arranged at two ends with depth-limiting mechanism the first Bevel Gear Transmission box (17) and depth-limiting mechanism the second Bevel Gear Transmission box (56), the power shaft of depth-limiting mechanism the first Bevel Gear Transmission box (17) is fixing with the wheel shaft of gauge wheel (52) to be connected, the output shaft of depth-limiting mechanism the first Bevel Gear Transmission box (17) is connected with the power shaft of depth-limiting mechanism the second Bevel Gear Transmission box (56), depth-limiting mechanism the second Bevel Gear Transmission box (56) the same six side's power transmission shafts (60) of traverse of multiple depth-limiting mechanisms (6), and fixing with six side's power transmission shafts (60) be connected, six side's power transmission shafts (60) are respectively arranged fertilizer box drive sprocket (57) and cylindrical drive shaft drive sprocket (58), and fertilizer box drive sprocket (57) is connected with the fertilizer box driven sprocket (62) on fertilizer box power transmission shaft (61), cylindrical drive shaft drive sprocket (58) is connected with the cylindrical drive shaft driven sprocket (66) on cylindrical drive shaft (59).
2. Pneumatic type precision corn amount no-tillage seeding machine according to claim 1, it is characterised in that:
The relation of the diameter r of blast distribution pipe (5) mid portion and the diameter R of blast distribution pipe (5) two end portions is 3r2=2R2。
3. Pneumatic type precision corn amount no-tillage seeding machine according to claim 1, it is characterised in that:
The length L of the mid portion of described blast distribution pipe (5) is more than the length l of two end portions, and L=2l.
4. Pneumatic type precision corn amount no-tillage seeding machine according to claim 1, it is characterised in that:
Described action bars (11) is fixed on adjustment ring (39) side along the diametric(al) regulating ring (39);
Described support bar (40) is perpendicular to and regulates the anchor ring that ring (39) is formed.
5. Pneumatic type precision corn amount no-tillage seeding machine according to claim 1, it is characterised in that:
It is connected by intermediate propeller shaft (55) between the output shaft of described depth-limiting mechanism the first Bevel Gear Transmission box (17) and the power shaft of depth-limiting mechanism the second Bevel Gear Transmission box (56).
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| CN109566014A (en) * | 2018-12-04 | 2019-04-05 | 中国农业大学 | A kind of seed manure synchronization mapping maize no-tillage fertilizing and seeding machine |
| CN109892050A (en) * | 2019-03-08 | 2019-06-18 | 北京农业智能装备技术研究中心 | Seeder |
| CN110521352A (en) * | 2019-09-26 | 2019-12-03 | 山东理工大学 | A kind of small-sized positive/negative-pressure double acting pneumatic type vegetable precision seeder |
| CN112703861A (en) * | 2020-12-29 | 2021-04-27 | 谢贤满 | Towed row spacing adjustable soybean is planted and is used seeder |
| CN114287210A (en) * | 2022-01-05 | 2022-04-08 | 刘爱玲 | Corn precision seeder |
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| CN110521352A (en) * | 2019-09-26 | 2019-12-03 | 山东理工大学 | A kind of small-sized positive/negative-pressure double acting pneumatic type vegetable precision seeder |
| CN112703861A (en) * | 2020-12-29 | 2021-04-27 | 谢贤满 | Towed row spacing adjustable soybean is planted and is used seeder |
| CN114287210A (en) * | 2022-01-05 | 2022-04-08 | 刘爱玲 | Corn precision seeder |
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| CN105659994B (en) | 2017-06-16 |
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