CN105230192A - Air-suction type precision seeding machine and air blower constant-pressure driving system thereof - Google Patents
Air-suction type precision seeding machine and air blower constant-pressure driving system thereof Download PDFInfo
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- CN105230192A CN105230192A CN201410332444.5A CN201410332444A CN105230192A CN 105230192 A CN105230192 A CN 105230192A CN 201410332444 A CN201410332444 A CN 201410332444A CN 105230192 A CN105230192 A CN 105230192A
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Abstract
The invention relates to an air-suction type precision seeding machine and an air blower constant-pressure driving system thereof. The air-suction type precision seeding machine comprises a machine frame, air-suction type seed sowing devices, furrowing single bodies and the air blower constant-pressure driving system, wherein the air-suction type seed sowing devices, the furrowing single bodies and the air blower constant-pressure driving system are mounted on the machine frame; and the furrowing single bodies are arranged at the front end of the machine frame corresponding to the air-suction type seed sowing devices, the air blower constant-pressure driving system is mounted on the machine frame, communicates with air chambers of the air-suction type seed sowing devices through an air pipe and forms negative pressure in the air chambers so as to realize seed sowing, the air blower constant-pressure driving system comprises an air blower and an air blower driving mechanism, a driving shaft of the air blower driving mechanism is connected with an air blower shaft of the air blower through a shaft coupling, and the driving shaft and the air blower shaft are arranged coaxially. According to the air-suction type precision seeding machine and the air blower constant-pressure driving system thereof, the interior of the air chambers of the air-suction type seed sowing devices can be in a constant-pressure state, and the problems that seeds fall off in piles when the air-suction type precision seeding machine turns around or is turned off in a field and seeding absence is caused when the air-suction type precision seeding machine is started up are avoided.
Description
Technical field
The present invention relates to a kind of air-suction type accurate sower, particularly a kind of air-suction type accurate sower and blower fan constant-voltage driving system thereof with independently blower fan constant-voltage driving system.
Background technology
Air-breathing precise seed sowing device in air-suction type accurate sower is the air that dependence blower fan High Rotation Speed constantly discharges in air chamber, makes to produce negative pressure in air chamber, seed is adsorbed onto on seed plate.The installation of current blower fan mainly contains two kinds of forms, and one is front positioning type blower fan, is arranged on before tractor, takes turns transmission power by tractor belt; Another kind is rear-mounted blower fan, is arranged in tractor frame below, transmits power by tractor rear output shaft.Therefore be no matter front positioning type or rear-mounted, the power of blower fan is all provided by tractor, if the patent No. is " ZL200820027933.X ", patent name is the Chinese utility model patent of " air-suction type accurate sower ", disclose a kind of air-suction type accurate sower, there is blower fan combination, but blower fan combination is the power being provided blower fan by supporting power.
Prior art apoplexy mechanomotive force derives from tractor, cause the air pressure of air-breathing precise seed sowing device larger by the impact of tractor engine rotating speed, when headland turn or intermediate hold, the air pressure of seed-sowing mechanism air-chamber reduces, seed plate relies on the seed of pressure adsorption is in heaps to drop, cause the waste of seed; During tractor starting, the first lap of seeds sucker, without kind, causes broadcast leakage.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of air-suction type accurate sower and blower fan constant-voltage driving system thereof; with the air-suction type accurate sower overcoming prior art at headland turn or when shutting down, seed is in heaps drop and tractor starting time broadcast leakage problem.
To achieve these goals, the invention provides a kind of blower fan constant-voltage driving system for air-suction type accurate sower, wherein, be arranged in the frame of described air-suction type accurate sower, and to be communicated with the air chamber of the air-suction seeding unit of described air-suction type accurate sower by airduct and in described air chamber, to form negative pressure to realize seeding, described blower fan constant-voltage driving system comprises blower fan and blower fan driving mechanism, the driving shaft of described blower fan driving mechanism is connected by the fan shaft of shaft coupling with described blower fan, and described driving shaft and described fan shaft are coaxially arranged.
Above-mentioned blower fan constant-voltage driving system, wherein, described blower fan is centrifugal blower, comprise housing and be arranged on the fan main body in described housing, described housing is provided with air inlet, air outlet and blower fan axis hole, described fan shaft is arranged on described fan main body through described blower fan axis hole, and described air-suction seeding unit is communicated with described air inlet by described airduct.
Above-mentioned blower fan constant-voltage driving system, wherein, described air inlet is the circular tube structure being arranged on described lower housing portion, described air inlet is provided with filter screen and enters to prevent foreign material.
Above-mentioned blower fan constant-voltage driving system, wherein, described air inlet is the multiple circular tube structures being independently arranged on described housing side, described air inlet is provided with filter screen and enters to prevent foreign material.
Above-mentioned blower fan constant-voltage driving system, wherein, described blower fan axis hole is arranged on the side center position of described housing, opposite side and the described blower fan axis hole relative position of described housing are provided with cylinder boss, and described multiple independently circular tube structure air inlet is arranged around the external cylindrical surface of described cylinder boss.
Above-mentioned blower fan constant-voltage driving system, wherein, described multiple independently circular tube structure air inlet is arranged symmetrically around the external cylindrical surface of described cylinder boss.
Above-mentioned blower fan constant-voltage driving system, wherein, described blower fan driving mechanism is gasoline engine, diesel engine or motor.
Above-mentioned blower fan constant-voltage driving system, wherein, described blower fan and described blower fan driving mechanism are arranged on the rear portion of described frame, middle part or front portion respectively by a plate.
Above-mentioned blower fan constant-voltage driving system, wherein, described shaft coupling is yielding coupling.
In order to realize above-mentioned purpose better, present invention also offers a kind of air-suction type accurate sower, comprise frame and be arranged on air-suction seeding unit, trench digging monomer and the blower fan constant-voltage driving system in described frame, described trench digging monomer corresponds to described air-suction seeding unit and is arranged on described frame front end, wherein, described blower fan constant-voltage driving system is above-mentioned blower fan constant-voltage driving system.
Technique effect of the present invention is:
1, blower fan constant-voltage driving system is applied widely, can be used on all kinds of air-suction type accurate sower.
2, achieve air-suction seeding unit air chamber constant pressure, avoid turn around to turn, power cut when not sowing, air pressure is declined, causes seed whereabouts in heaps phenomenon.
3, blower fan constant-voltage driving system is relatively independent, easy for installation.
Blower fan constant-voltage driving system of the present invention can complete the driving to air-suction type accurate sower blower fan, and can guarantee to be in pressure constant state in air-suction seeding unit air chamber.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Accompanying drawing explanation
Fig. 1 is the air-suction type accurate sower structural representation of one embodiment of the invention;
Fig. 2 is the vertical view (part) of Fig. 1;
Fig. 3 is the blower fan constant-voltage driving system structural representation of one embodiment of the invention;
Fig. 4 is the right view of Fig. 3;
Fig. 5 is the vertical view of Fig. 3;
Fig. 6 is the blower fan structure schematic diagram of one embodiment of the invention.
Wherein, Reference numeral
1 frame
2 air-suction seeding units
3 trench digging monomers
4 blower fan constant-voltage driving systems
41 blower fans
411 fan shafts
412 housings
413 air inlets
414 air outlets
415 cylinder boss
42 blower fan driving mechanisms
421 driving shafts
43 shaft couplings
5 airducts
6 connecting plates
Embodiment
Below in conjunction with accompanying drawing, structural principle of the present invention and operation principle are described in detail:
See the air-suction type accurate sower structural representation that Fig. 1 and Fig. 2, Fig. 1 are one embodiment of the invention, Fig. 2 is the vertical view (part) of Fig. 1.Air-suction type accurate sower of the present invention, comprise frame 1 and be arranged on air-suction seeding unit 2, trench digging monomer 3 and the blower fan constant-voltage driving system 4 in described frame 1, described trench digging monomer 3 corresponds to described air-suction seeding unit 2 and is arranged on described frame 1 front end, in the present embodiment, air-suction seeding unit 2 is arranged on trench digging monomer 3, after the mouth of sowing of air-suction seeding unit 2 is arranged on the ditching-disk of trench digging monomer 3, is convenient to seed and falls in the kind ditch outputed.Frame 1 is the installing rack of other workpieces, can be rectangle or rectangular tube lead frame.Because other part-structures of this air-suction type accurate sower, mutual alignment relation, annexation and function etc. are more ripe prior art, therefore do not repeat at this, only blower fan constant-voltage driving system of the present invention is described in detail below.
See the blower fan constant-voltage driving system structural representation that Fig. 3-Fig. 5, Fig. 3 are one embodiment of the invention, Fig. 4 is the right view of Fig. 3, and Fig. 5 is the vertical view of Fig. 3.Blower fan constant-voltage driving system 4 of the present invention, be arranged in the frame 1 of described air-suction type accurate sower, and to be communicated with the air chamber of the air-suction seeding unit 2 of described air-suction type accurate sower by airduct 5 and in described air chamber, to form negative pressure to realize seeding, this airduct 5 is preferably flexible pipe, described blower fan constant-voltage driving system 4 comprises blower fan 41 and blower fan driving mechanism 42, the driving shaft 421 of described blower fan driving mechanism 42 is connected by the fan shaft 411 of shaft coupling 43 with described blower fan 41, and described driving shaft 421 and described fan shaft 411 are coaxially arranged.Shaft coupling 43 is the attaching parts of blower fan 41 and blower fan driving mechanism 42, and these attaching parts guarantee the accurate connection of fan shaft 411 and driving shaft 421, and two axles ensure certain axiality, make fan shaft 411 reliable, steady.Described shaft coupling 43 is preferably yielding coupling 43.Wherein, described blower fan driving mechanism 42 can be gasoline engine, diesel engine or motor.Described blower fan 41 and described blower fan driving mechanism 42 are arranged in frame 1 respectively by a plate 6.Connecting plate 6 can be fixed by bolts in frame 1, be not limited to the fixed position of frame 1, the present embodiment is preferably mounted at the rear portion of described frame 1, also can be arranged on the middle part of frame 1, front portion or the configured in one piece demand according to difference sowing type and select suitable position.
Wherein, described blower fan 41 is preferably centrifugal blower, the fan main body (not shown) comprising housing 412 and be arranged in described housing 412, described housing 412 is provided with air inlet 413, air outlet 414 and fan shaft 411 hole, described fan shaft 411 is arranged on described fan main body through described blower fan axis hole (not shown), and described air-suction seeding unit 2 is communicated with described air inlet 413 by described airduct 5.In the present embodiment, described air inlet 413 is preferably arranged on the circular tube structure (see Fig. 4) of described housing 412 bottom, and the version of air outlet 414 is unrestricted, described air inlet 413 is preferably provided with filter screen and enters to prevent foreign material.In another embodiment, described air inlet 413 also can be the multiple circular tube structures (see Fig. 6) being independently arranged on described housing 412 side, described air inlet 413 is preferably provided with filter screen and enters to prevent foreign material.Wherein, described blower fan axis hole is arranged on the side center position of described housing 412, opposite side and the described fan shaft 411 hole relative position of described housing 412 are provided with cylinder boss 415, described multiple independently circular tube structure air inlet 413 is arranged around the external cylindrical surface of described cylinder boss 415, and preferred described multiple independently circular tube structure air inlet 413 is arranged symmetrically around the external cylindrical surface of described cylinder boss 415.
During work, blower fan driving mechanism 42 drives blower fan 41 High Rotation Speed to produce air-flow, and air inlet 413 is connected with the air chamber of air-suction seeding unit 2, makes air chamber form negative pressure.Before sower work, start blower fan driving mechanism 42, drive blower fan 41 to start, according to air-suction seeding unit 2 need regulate air quantity, and according to the power of required blast determination blower fan driving mechanism 42, after air quantity is stable, air-suction type accurate sower advances under the effect of tractor, and sower drive works, and drives the seeding unit axle of air-suction seeding unit 2 to rotate, air-suction seeding unit 2 works, and completes seeding operation.After air-suction type accurate sower operation stops, cutting off blower fan driving mechanism 42 power, blower fan 41 quits work.This blower fan constant-voltage driving system 4 is independent operating system, not by the impact of tractor start and stop, and constant pressure in the air chamber that can make air-suction seeding unit 2.
Tool of the present invention has the following advantages:
1, blower fan constant-voltage driving system is applied widely, can be used on all kinds of air-suction type accurate sower.
2, achieve air-suction seeding unit air chamber constant pressure, avoid turn around to turn, power cut when not sowing, air pressure is declined, causes seed whereabouts in heaps phenomenon.
3, blower fan constant-voltage driving system is relatively independent, easy for installation.
Blower fan constant-voltage driving system of the present invention can be widely used on aspiration precision planter, independent installation, drive ensures that blower fan has constant air pressure all the time and exports, ensure that the constant pressure of air-suction seeding unit air chamber, solve seed in heaps when sower is turned in field or quits work and to drop phenomenon.
Certainly; the present invention also can have other various embodiments; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection domain that all should belong to the claim appended by the present invention.
Claims (10)
1. the blower fan constant-voltage driving system for air-suction type accurate sower, it is characterized in that, be arranged in the frame of described air-suction type accurate sower, and to be communicated with the air chamber of the air-suction seeding unit of described air-suction type accurate sower by airduct and in described air chamber, to form negative pressure to realize seeding, described blower fan constant-voltage driving system comprises blower fan and blower fan driving mechanism, the driving shaft of described blower fan driving mechanism is connected by the fan shaft of shaft coupling with described blower fan, and described driving shaft and described fan shaft are coaxially arranged.
2. blower fan constant-voltage driving system as claimed in claim 1, it is characterized in that, described blower fan is centrifugal blower, comprise housing and be arranged on the fan main body in described housing, described housing is provided with air inlet, air outlet and blower fan axis hole, described fan shaft is arranged on described fan main body through described blower fan axis hole, and described air-suction seeding unit is communicated with described air inlet by described airduct.
3. blower fan constant-voltage driving system as claimed in claim 2, it is characterized in that, described air inlet is the circular tube structure being arranged on described lower housing portion, described air inlet is provided with filter screen and enters to prevent foreign material.
4. blower fan constant-voltage driving system as claimed in claim 2, it is characterized in that, described air inlet is the multiple circular tube structures being independently arranged on described housing side, described air inlet is provided with filter screen and enters to prevent foreign material.
5. blower fan constant-voltage driving system as claimed in claim 4, it is characterized in that, described blower fan axis hole is arranged on the side center position of described housing, opposite side and the described blower fan axis hole relative position of described housing are provided with cylinder boss, and described multiple independently circular tube structure air inlet is arranged around the external cylindrical surface of described cylinder boss.
6. blower fan constant-voltage driving system as claimed in claim 5, it is characterized in that, described multiple independently circular tube structure air inlet is arranged symmetrically around the external cylindrical surface of described cylinder boss.
7. as the blower fan constant-voltage driving system in claim 1-6 as described in any one, it is characterized in that, described blower fan driving mechanism is gasoline engine, diesel engine or motor.
8. as the blower fan constant-voltage driving system in claim 1-6 as described in any one, it is characterized in that, described blower fan and described blower fan driving mechanism are arranged on the rear portion of described frame, middle part or front portion respectively by a plate.
9. as the blower fan constant-voltage driving system in claim 1-6 as described in any one, it is characterized in that, described shaft coupling is yielding coupling.
10. an air-suction type accurate sower, comprise frame and be arranged on air-suction seeding unit, trench digging monomer and the blower fan constant-voltage driving system in described frame, described trench digging monomer corresponds to described air-suction seeding unit and is arranged on described frame front end, it is characterized in that, described blower fan constant-voltage driving system is the blower fan constant-voltage driving system in the claims 1-9 described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410332444.5A CN105230192A (en) | 2014-07-11 | 2014-07-11 | Air-suction type precision seeding machine and air blower constant-pressure driving system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410332444.5A CN105230192A (en) | 2014-07-11 | 2014-07-11 | Air-suction type precision seeding machine and air blower constant-pressure driving system thereof |
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| CN105230192A true CN105230192A (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410332444.5A Pending CN105230192A (en) | 2014-07-11 | 2014-07-11 | Air-suction type precision seeding machine and air blower constant-pressure driving system thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106852212A (en) * | 2016-10-26 | 2017-06-16 | 华南农业大学 | A kind of paddy rice Pneumatic type hill-drop drill |
| CN107155458A (en) * | 2017-06-14 | 2017-09-15 | 河北农业大学 | Air-suction type precision seeder |
| 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 |
| CN108260384A (en) * | 2017-01-04 | 2018-07-10 | 现代农装科技股份有限公司 | A kind of air-suction type accurate sower and its wind turbine constant-voltage driving system |
| 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 |
| CN114710997A (en) * | 2022-04-21 | 2022-07-08 | 黑龙江省众为农机有限公司 | Negative pressure controller for mechanical variable-frequency steering engine agricultural fan |
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| EP2480063B1 (en) * | 2009-09-23 | 2014-04-23 | Väderstad-Verken AB | Seed metering device on an agricultural machine |
| CN203951777U (en) * | 2014-07-11 | 2014-11-26 | 现代农装科技股份有限公司 | A kind of air-suction type accurate sower and blower fan constant-voltage driving system thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106852212A (en) * | 2016-10-26 | 2017-06-16 | 华南农业大学 | A kind of paddy rice Pneumatic type hill-drop drill |
| CN108260384A (en) * | 2017-01-04 | 2018-07-10 | 现代农装科技股份有限公司 | A kind of air-suction type accurate sower and its wind turbine constant-voltage driving system |
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| CN107155458B (en) * | 2017-06-14 | 2019-12-03 | 河北农业大学 | Air-suction type precision seeder |
| 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 |
| 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 |
| CN114710997A (en) * | 2022-04-21 | 2022-07-08 | 黑龙江省众为农机有限公司 | Negative pressure controller for mechanical variable-frequency steering engine agricultural fan |
| CN114710997B (en) * | 2022-04-21 | 2024-01-26 | 黑龙江省众为农机有限公司 | Mechanical variable-frequency type negative pressure controller for steering engine agricultural fan |
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