CN103650713A - Fan assembly of air-aspiration type planting machine - Google Patents
Fan assembly of air-aspiration type planting machine Download PDFInfo
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- CN103650713A CN103650713A CN201310270805.3A CN201310270805A CN103650713A CN 103650713 A CN103650713 A CN 103650713A CN 201310270805 A CN201310270805 A CN 201310270805A CN 103650713 A CN103650713 A CN 103650713A
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- negative pressure
- blower fan
- fan
- bearing
- wheel
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- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 11
- 210000004907 gland Anatomy 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 239000003381 stabilizer Substances 0.000 abstract 2
- 238000005299 abrasion Methods 0.000 abstract 1
- 210000001331 nose Anatomy 0.000 description 9
- 210000003128 head Anatomy 0.000 description 6
- 238000009331 sowing Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 241000252254 Catostomidae Species 0.000 description 1
- 241001236644 Lavinia Species 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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Abstract
The invention discloses a fan assembly of an air-aspiration type planting machine. A fan wheel (26) in a fan (1) is connected with a wheel (10) in a unidirectional automatic clutch device through a ribbed belt (2) in a transmission manner; one end of a negative pressure suction hole (25) in the fan (1) is connected with a negative pressure stabilizer (11), and the other end of the negative pressure suction hole (25) is connected with a planter of the planting machine. By the adoption of the ribbed belt (2), the fan assembly of the air-aspiration type planting machine can change the speed in position at a time; furthermore, the ribbed belt (2) is difficult to slip, so that the transmission efficiency is improved; due to the additional arrangement of the unidirectional automatic clutch device, when a tractor is deaccelerated rapidly during working, the fan can still continuously run under the action of the inert, so that the slip abrasion of the belt is alleviated, and the stability of instant air pressure of the fan is improved; the negative pressure stabilizer (11) is designed in order to realize the stable and high-efficiency planting, so that the fan can be greatly improved during running.
Description
Technical field
The present invention relates to a kind of pneumatic seeder blower fan assembly, belong to the technical field of agricultural machinery aspect.
Background technology
Known sower causes that broadcast leakage phenomenon never solves when tractor idling and turning, the one, by gear-box speedup; The 2nd, by multistage V belt speedup, these technology, ubiquity conversion efficiency is low, and belt easily skids, and blast while making work is unstable etc.Having is exactly a kind of electron wind machine technology occurring for nearly 2 years again, and this electron wind machine technology is severe because of working environment, often can cause that fan filter screen set stops up, and blast is reduced, and therefore, is difficult for promoting the use of when large area is sowed.
Summary of the invention
The technical problem that the present invention solves is to overcome the deficiency that original sower blower fan exists, and provides-kind of air-sucking type. sower blower fan assembly.
Technical scheme of the present invention is: the impeller of blower (26) in blower fan (1) is in transmission connection with polywedge bet (2) with the wheel (10) in unidirectional automatic clutch device.Negative pressure sucker (25) one end in blower fan (1) is connected with negative pressure barostat (11); The other end is connected with the seeder of sower.
Hitch (16) top is fixing with bolt and blower fan (1), and bottom one side is fixing with the spindle nose (24) in bolt and unidirectional automatic clutch device, and U-shaped screw for opposite side (6) is connected with pneumatic seeder crossbeam (4); In being connected with the support bar (5) tilting below of hitch (16), support bar (5) is connected with pneumatic seeder crossbeam (4) below, upper hanging head (3) is connected with the upper lower suspension arm of tractor respectively with lower hanging head (7), and splined shaft (9) is connected with universal drive shaft with the rearmounted output shaft of tractor.
As shown in Figure 5, spindle nose in unidirectional automatic clutch device (24) is with being bolted on hitch (16), wherein, jump ring d (22), bearing c (21), pipe box b (20), bearing b (19), jump ring c (18) assembled in sequence are in spindle nose (24); Jump ring b (15), unilateral bearing (8), pipe box a (17), bearing a (12), jump ring a (14), assembled in sequence is in wheel (10), and wherein unilateral bearing (8) overcoat is connected with key with wheel (10); One end of splined shaft (9) is first packed in spindle nose (24), and be locked with nut b (23), again the wheel (10) that installs bearing is packed on splined shaft, and be locked with nut a (13), wherein the inner sleeve of unilateral bearing (8) is connected with splined shaft (9) key, the direction of unilateral bearing (8) with drag turning to of machine and be consistent.
As shown in Figure 4, the structure of negative pressure barostat (11) is: upper shell (11-5) is spirally connected with lower house (11-9), is provided with vacuum table (11-1) and wind hole (11-10) for measuring blast on upper shell (11-5).Regulate voltage regulation screw (11-2) spiral of pressure also to connect on upper shell (11-5) top, in upper shell (11-5) and lower house (11-9), voltage regulation screw (11-2) is connected with pad (11-3), pad (11-3) is withstood on compression spring (11-4) top, and compression spring (11-4) bottom is contained in piston (11-6) fixing with bolt (11-7) with sealing gland (11-11).On lower house (11-9) top, be provided with gear along portion, gear is air inlet (11-8) in the middle of portion, and described gear is connected while blocking air inlet (11-8) along portion with sealing gland (11-11).On lower house (11-9), be provided with a plurality of air inlet sieve apertures, rubber ring (11-12) is sleeved in the groove at piston (11-6) middle part, nut (11-13) be screwed in voltage regulation screw (11-2) above.
As shown in Figure 4, the operation principle of negative pressure barostat (11) is: when blower fan (1) rotating speed does not reach predetermined value compared with lower negative pressure table (11-1), the thrust of sealing gland (11-11) depended on pressure spring (11-4) is sealed air inlet (11-8) automatically, increase along with blower fan (1) rotating speed, negative pressure value increases, and air inlet (11-8) is inhaled out.The higher opening of negative pressure is larger, plays automatic adjustment negative pressure value, keeps the effect of certain negative pressure.According to inhomogeneous seed, adjust negative-pressure adsorption ability, negative pressure little Yi broadcast leakage, negative pressure conference improves breakage rate or the multicast of seed.Select the high negative pressure blower fan (1) of band negative pressure barostat (11), can in sowing, stablize, carry out efficiently, accurately operation.
The present invention has adopted (2) speed changes of polywedge bet to put in place, and be difficult for skidding, increase transmission efficiency, installed unidirectional automatic clutch device additional, so at work, when tractor slows down fast, blower fan can also continue operation according to inertia, has so just reduced belt creep wearing and tearing, has improved the stability of the instantaneous blast of blower fan, for be more conducive to stability and high efficiency sowing we designed negative pressure barostat (11), blower fan is in operation and is very significantly improved.The present invention is a kind of machinery of realizing precision drilling by negative pressure absorbing seed, and it is compared with mechanical type sower, has stronger high speed sowing advantage, can realize the sowing of multiclass seed.
Accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram of the present invention;
Fig. 2 is the backsight structural representation of Fig. 1;
Fig. 3 is the left TV structure schematic diagram of Fig. 1;
Fig. 4 is negative pressure barostat of the present invention (11) structural representation;
In figure: 11-1 vacuum table, 11-2 voltage regulation screw, 11-3 pad, 11-4 compression spring, 11-5 upper shell, 11-6 piston, 11-7 bolt, 11-8 air inlet, 11-9 lower house, 11-10 wind hole, 11-11 sealing gland, 11-12 rubber ring, 11-13 nut.
Fig. 5 is the structural representation of the unidirectional automatic clutch device of the present invention.
In figure: hanging head on 1 blower fan, 2 polywedge bets, 3,4 pneumatic seeder crossbeams, 5 support bars, 6U type screw, 7 times hanging heads, 8 unilateral bearings, 9 splined shafts, 10, multi-wedge belt pulley, 11 negative pressure barostats, 12 bearing a, 13 nut a, 14 jump ring a, 15 jump ring b, 16 hitches, 17 pipe box a, 18 jump ring c, 19 bearing b, 20 pipe box b, 21 bearing c, 22 jump ring d, 23 nut b, 24 spindle noses, 25 negative pressure suckers, 26 impeller of blowers.
Embodiment
As shown in Figure 1, Figure 2, Figure 3 shows, the impeller of blower in blower fan 1 26 is in transmission connection with the wheel 10 use polywedge bets 2 in unidirectional automatic clutch device.Hitch 16 tops are fixing with bolt and blower fan 1, and bottom one side is fixing with the spindle nose 24 in bolt and unidirectional automatic clutch device, and the opposite side of hitch 16 bottoms is connected with pneumatic seeder crossbeam 4 with U-shaped screw 6.In being connected with the support bar 5 tilting below of hitch 16, support bar 5 is connected with pneumatic seeder crossbeam 4 below, upper hanging head 3 is connected with the upper lower suspension arm of tractor respectively with lower hanging head 7, and splined shaft 9 is connected with universal drive shaft with the rearmounted output shaft of tractor.Negative pressure sucker 25 one end in blower fan 1 are connected with negative pressure barostat 11; The other end is connected with the seeder of sower.
As shown in Figure 5, in unidirectional automatic clutch device, spindle nose 24 use are bolted on hitch 16, and wherein, jump ring d22, bearing c21, pipe box b20, bearing b19, jump ring c18 assembled in sequence are in spindle nose 24; Jump ring b15, unilateral bearing 8, pipe box a17, bearing a12, jump ring a14, assembled in sequence is in wheel 10, and wherein unilateral bearing 8 overcoats are connected with wheel 10 use keys; One end of splined shaft 9 is first packed in spindle nose 24, and be locked with nut b23, then the wheel 10 that installs bearing is packed on splined shaft, and be locked with nut a13, wherein the inner sleeve of unilateral bearing 8 is connected with splined shaft 9 keys, the direction of unilateral bearing 8 with drag turning to of machine and be consistent.
As shown in Figure 4, the structure of negative pressure barostat 11 is: upper shell 11-5 and lower house 11-9 are spirally connected, and is provided with for measuring vacuum table 11-1 and the wind hole 11-10 of blast on upper shell 11-5.Regulate the voltage regulation screw 11-2 spiral of pressure also to connect on upper shell 11-5 top, in upper shell 11-5 and lower house 11-9, voltage regulation screw 11-2 is connected with pad 11-3, compression spring 11-4 withstands pad 11-3 in top, and compression spring 11-4 bottom is contained in piston 11-6 and fixes with bolt 11-7 with sealing gland 11-11.On lower house 11-9 top, be provided with gear along portion, gear is air inlet 11-8 in the middle of portion, and described gear is connected while blocking air inlet 11-8 along portion with sealing gland 11-11.On lower house 11-9, be provided with a plurality of air inlet sieve apertures.Rubber ring 11-12 is sleeved in the groove at piston 11-6 middle part.Nut 11-13 be screwed in voltage regulation screw 11-2 above.
As shown in Figure 4, the operation principle of negative pressure barostat 11 is: when blower fan 1 rotating speed does not reach predetermined value compared with lower negative pressure table 11-1, the thrust of sealing gland 11-11 depended on pressure spring 11-4 is automatically by air inlet 11-8 sealing, along with the increase of blower fan 1 rotating speed, negative pressure value increases, and air inlet 11-8 is opened by suction.The higher opening of negative pressure is larger, plays automatic adjustment negative pressure value, keeps the effect of certain negative pressure.According to inhomogeneous seed, adjust negative-pressure adsorption ability, negative pressure little Yi broadcast leakage, negative pressure conference improves breakage rate or the multicast of seed.Select the high negative pressure blower fan 1 with negative pressure barostat 11, can in sowing, stablize, carry out efficiently, accurately operation.
Claims (4)
1. pneumatic seeder blower fan assembly, comprise, impeller of blower (26) in blower fan (1) is in transmission connection with polywedge bet (2) with the wheel (10) in unidirectional automatic clutch device, it is characterized in that: negative pressure sucker (25) one end in blower fan (1) is connected with negative pressure barostat (11), and the other end is connected with the seeder of sower; Hitch (16) top is fixing with bolt and blower fan (1), and bottom one side is fixing with the spindle nose (24) in bolt and unidirectional automatic clutch device, and another-U-shaped screw for side (6) is connected with pneumatic seeder crossbeam (4); In being connected with the support bar (5) tilting below of hitch (16), support bar (5) is connected with pneumatic seeder crossbeam (4) below, upper hanging head (3) is connected with the upper lower suspension arm of tractor respectively with lower hanging head (7), and splined shaft (9) is connected with universal drive shaft with the rearmounted output shaft of tractor.
2. blower fan assembly according to claim 1, it is characterized in that, spindle nose in unidirectional automatic clutch device (24) is with being bolted on hitch (16), wherein, jump ring d (22), bearing c (21), pipe box b (20), bearing b (19), jump ring c (18) assembled in sequence are in spindle nose (24); Jump ring b (15), unilateral bearing (8), pipe box a (17), bearing a (12), jump ring a (14), assembled in sequence is in wheel (10), and wherein unilateral bearing (8) overcoat is connected with key with wheel (10); One end of splined shaft (9) is first packed in spindle nose (24), and be locked with nut b (23), again the wheel (10) that installs bearing is packed on splined shaft, and be locked with nut a (13), wherein the inner sleeve of unilateral bearing (8) is connected with splined shaft (9) key, the direction of unilateral bearing (8) with drag turning to of machine and be consistent.
3. blower fan assembly according to claim 1, it is characterized in that, the structure of negative pressure barostat (11) is: upper shell (11-5) is spirally connected with lower house (11-9), is provided with vacuum table (11-1) and wind hole (11-10) for measuring blast on upper shell (11-5).Regulate voltage regulation screw (11-2) spiral of pressure also to connect on upper shell (11-5) top, in upper shell (11-5) and lower house (11-9), voltage regulation screw (11-2) is connected with pad (11-3), pad (11-3) is withstood on compression spring (11-4) top, and compression spring (11-4) bottom is contained in slide bar (11-6) fixing with bolt (11-7) with sealing gland (11-11).On lower house (11-9) top, be provided with gear along portion, gear is air inlet (11-8) in the middle of portion, and described gear is connected while blocking air inlet (11-8) along portion with sealing gland (11-11).On lower house (11-9), be provided with a plurality of air inlet sieve apertures, rubber ring 11-12 is sleeved in the groove at piston 11-6 middle part, nut 11-13 be screwed in voltage regulation screw 11-2 above.
4. blower fan assembly according to claim 1, it is characterized in that, the operation principle of negative pressure barostat (11) is: when blower fan (1) rotating speed does not reach predetermined value compared with lower negative pressure table (11-1), the thrust of sealing gland (11-11) depended on pressure spring (11-4) is sealed air inlet (11-8) automatically, increase along with blower fan (1) rotating speed, negative pressure value increases, and air inlet (11-8) is inhaled out; The higher opening of negative pressure is larger, plays automatic adjustment negative pressure value, keeps the effect of certain negative pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310270805.3A CN103650713B (en) | 2013-06-03 | 2013-07-01 | Pneumatic seeder blower fan assembly |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310226264 | 2013-06-03 | ||
| CN201310226264.4 | 2013-06-03 | ||
| CN2013102262644 | 2013-06-03 | ||
| CN201310270805.3A CN103650713B (en) | 2013-06-03 | 2013-07-01 | Pneumatic seeder blower fan assembly |
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| Publication Number | Publication Date |
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| CN103650713A true CN103650713A (en) | 2014-03-26 |
| CN103650713B CN103650713B (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310270805.3A Active CN103650713B (en) | 2013-06-03 | 2013-07-01 | Pneumatic seeder blower fan assembly |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107306527A (en) * | 2017-08-15 | 2017-11-03 | 重庆市农业科学院 | One kind combination pneumatic seeder and air-suction seeding system |
| CN107371502A (en) * | 2017-09-06 | 2017-11-24 | 天津农学院 | A kind of planting machines people and its application method |
| CN112292997A (en) * | 2019-07-30 | 2021-02-02 | 乌兰浩特市顺源农牧机械制造有限公司 | Air pressure adjusting device for fan of air-suction type seeder |
| CN114441113A (en) * | 2022-01-20 | 2022-05-06 | 山东省农业机械科学研究院 | Air-suction seed sowing device air tightness detection system and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5787825A (en) * | 1997-03-10 | 1998-08-04 | Director General Of The Touhoku National Agiculture Experiment Station: Yoshihiro Yamashita | Seeding machine with sensor controlled planting at predetermined depth |
| CN2796335Y (en) * | 2005-04-13 | 2006-07-19 | 瓦房店市精量播种机制造有限公司 | Feed run of air suction type bisprout band soybean seeding machine |
| CN201069906Y (en) * | 2007-08-22 | 2008-06-11 | 陈恒 | Air suction type film accurate hole sowing device |
| CN201878517U (en) * | 2010-12-13 | 2011-06-29 | 陈恒 | Fan transmission device on air suction type precision planter |
-
2013
- 2013-07-01 CN CN201310270805.3A patent/CN103650713B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5787825A (en) * | 1997-03-10 | 1998-08-04 | Director General Of The Touhoku National Agiculture Experiment Station: Yoshihiro Yamashita | Seeding machine with sensor controlled planting at predetermined depth |
| CN2796335Y (en) * | 2005-04-13 | 2006-07-19 | 瓦房店市精量播种机制造有限公司 | Feed run of air suction type bisprout band soybean seeding machine |
| CN201069906Y (en) * | 2007-08-22 | 2008-06-11 | 陈恒 | Air suction type film accurate hole sowing device |
| CN201878517U (en) * | 2010-12-13 | 2011-06-29 | 陈恒 | Fan transmission device on air suction type precision planter |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107306527A (en) * | 2017-08-15 | 2017-11-03 | 重庆市农业科学院 | One kind combination pneumatic seeder and air-suction seeding system |
| CN107371502A (en) * | 2017-09-06 | 2017-11-24 | 天津农学院 | A kind of planting machines people and its application method |
| CN112292997A (en) * | 2019-07-30 | 2021-02-02 | 乌兰浩特市顺源农牧机械制造有限公司 | Air pressure adjusting device for fan of air-suction type seeder |
| CN114441113A (en) * | 2022-01-20 | 2022-05-06 | 山东省农业机械科学研究院 | Air-suction seed sowing device air tightness detection system and method |
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| CN103650713B (en) | 2015-08-19 |
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Effective date of registration: 20160512 Address after: 062550, Hebei City, Renqiu Province discuss Fort Town Village Patentee after: Renqiu wotian Machinery Co. Ltd. Address before: 062550, Hebei, Renqiu Province discuss fort town, court No. 353, Xinzhuang Patentee before: Zhao Yongchang |