CN203951777U - A kind of air-suction type accurate sower and blower fan constant-voltage driving system thereof - Google Patents
A kind of air-suction type accurate sower and blower fan constant-voltage driving system thereof Download PDFInfo
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- CN203951777U CN203951777U CN201420384772.5U CN201420384772U CN203951777U CN 203951777 U CN203951777 U CN 203951777U CN 201420384772 U CN201420384772 U CN 201420384772U CN 203951777 U CN203951777 U CN 203951777U
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Abstract
A kind of air-suction type accurate sower and blower fan constant-voltage driving system thereof, this air-suction type accurate sower comprises frame and is arranged on the air-suction seeding unit in described frame, trench digging monomer and blower fan constant-voltage driving system, described trench digging monomer is arranged on described frame front end corresponding to described air-suction seeding unit, described blower fan constant-voltage driving system is arranged in described frame, and by airduct, be communicated with the air chamber of described air-suction seeding unit and in described air chamber, 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 with the fan shaft of described blower fan by shaft coupling, and described driving shaft and described fan shaft coaxially arrange.The utility model can guarantee that the air chamber of air-suction seeding unit is interior in pressure constant state, when air-suction type accurate sower headland turn or shutdown, has avoided the problem of broadcast leakage when seed is in heaps to drop with air-suction type accurate sower starting.
Description
Technical field
The utility model relates to a kind of air-suction type accurate sower, and particularly a kind of have independently air-suction type accurate sower and a blower fan constant-voltage driving system thereof of blower fan constant-voltage driving system.
Background technology
Air-breathing precise seed sowing device in air-suction type accurate sower is to rely on blower fan High Rotation Speed constantly to discharge the air in air chamber, makes to produce negative pressure in air chamber, and seed is adsorbed onto on seed plate.The installation of blower fan at present mainly contains two kinds of forms, and a kind of is front positioning type blower fan, is arranged on before tractor, by tractor belt wheel transmission power; Another kind is rear-mounted blower fan, is arranged in tractor frame below, by tractor rear output shaft transmission power.Therefore no matter be front positioning type or rear-mounted, the power of blower fan is all to be provided by tractor, if the patent No. is " ZL200820027933.X ", patent name is the Chinese utility model patent of " air-suction type accurate sower ", a kind of air-suction type accurate sower is disclosed, there is blower fan combination, but blower fan combination is that the power of blower fan is provided by supporting power.
Prior art apoplexy mechanomotive force derives from tractor, cause the air pressure of air-breathing precise seed sowing device to be subject to the impact of tractor engine rotating speed larger, when headland turn or middle pause, the air pressure of seed-sowing mechanism air-chamber reduces, on seed plate, rely in heaps the dropping of seed of pressure absorption, caused the waste of seed; During tractor starting, the first lap of seeds sucker, without kind, causes broadcast leakage.
Utility model content
Technical problem to be solved in the utility model 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 that overcomes prior art, at headland turn or while shutting down, seed is in heaps to drop and the problem of broadcast leakage during tractor starting.
To achieve these goals, the utility model 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 be communicated with the air chamber of the air-suction seeding unit of described air-suction type accurate sower and in described air chamber, form negative pressure to realize seeding by airduct, 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 with the fan shaft of described blower fan by shaft coupling, and described driving shaft and described fan shaft coaxially arrange.
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, on described housing, be 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 that is arranged on described lower housing portion, is provided with filter screen and enters to prevent foreign material on described air inlet.
Above-mentioned blower fan constant-voltage driving system, wherein, described air inlet is a plurality of difference circular tube structure independently that is arranged on described housing one side, is provided with filter screen and enters to prevent foreign material on described air inlet.
Above-mentioned blower fan constant-voltage driving system, wherein, described blower fan axis hole is arranged on a side center position of described housing, the opposite side of described housing and described blower fan axis hole relative position place are provided with cylinder boss, and described a plurality of independently circular tube structure air inlets are around the external cylindrical surface setting of described cylinder boss.
Above-mentioned blower fan constant-voltage driving system, wherein, described a plurality of independently circular tube structure air inlets arrange 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 respectively rear portion, middle part or the front portion of described frame by a plate.
Above-mentioned blower fan constant-voltage driving system, wherein, described shaft coupling is yielding coupling.
In order to realize better above-mentioned purpose, the utility model also provides 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 is arranged on described frame front end corresponding to described air-suction seeding unit, wherein, described blower fan constant-voltage driving system is above-mentioned blower fan constant-voltage driving system.
Technique effect of the present utility model is:
1, blower fan constant-voltage driving system is applied widely, can be used on all kinds of air-suction type accurate sowers.
2, realized air-suction seeding unit air chamber constant pressure, power cut when having avoided turning around turning, not sowed, declines air pressure, 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 utility model can complete the driving to air-suction type accurate sower blower fan, and can guarantee in air-suction seeding unit air chamber in pressure constant state.
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail, but not as to restriction of the present utility model.
Accompanying drawing explanation
Fig. 1 is the air-suction type accurate sower structural representation of the utility model one embodiment;
Fig. 2 is the vertical view (part) of Fig. 1;
Fig. 3 is the blower fan constant-voltage driving system structural representation of the utility model one embodiment;
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 the utility model one embodiment.
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 utility model and operation principle are described in detail:
Referring to Fig. 1 and Fig. 2, Fig. 1 is the air-suction type accurate sower structural representation of the utility model one embodiment, the vertical view that Fig. 2 is Fig. 1 (part).Air-suction type accurate sower of the present utility model, 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 is arranged on described frame 1 front end corresponding to described air-suction seeding unit 2, in the present embodiment, air-suction seeding unit 2 is arranged on trench digging monomer 3, the mouth of sowing of air-suction seeding unit 2 is convenient to seed and is fallen in the kind ditch of outputing after being arranged on the ditching-disk of trench digging monomer 3.The installing rack that frame 1 is other workpieces, can be rectangle or rectangular tube lead frame.Because other part-structures, mutual alignment relation, annexation and the function etc. of this air-suction type accurate sower are more ripe prior art, therefore do not repeat at this, only blower fan constant-voltage driving system of the present utility model is described in detail below.
Referring to Fig. 3-Fig. 5, Fig. 3 is the blower fan constant-voltage driving system structural representation of the utility model one embodiment, the right view that Fig. 4 is Fig. 3, the vertical view that Fig. 5 is Fig. 3.Blower fan constant-voltage driving system 4 of the present utility model, be arranged in the frame 1 of described air-suction type accurate sower, and by airduct 5, be communicated with the air chamber of the air-suction seeding unit 2 of described air-suction type accurate sower and in described air chamber, 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 with the fan shaft 411 of described blower fan 41 by shaft coupling 43, and described driving shaft 421 coaxially arranges with described fan shaft 411.Shaft coupling 43 is the attaching parts of blower fan 41 and blower fan driving mechanism 42, and these attaching parts are guaranteed the accurate connection of fan shaft 411 and driving shaft 421, and two axles guarantee 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 by a plate 6 respectively.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 middle part, the front portion of frame 1 or select suitable position according to the configured in one piece demand of difference sowing type.
Wherein, described blower fan 41 is preferably centrifugal blower, comprise housing 412 and be arranged on the fan main body (not shown) in described housing 412, on described housing 412, be provided with air inlet 413, air outlet 414 and fan shaft 411 holes, 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 the circular tube structure (referring to Fig. 4) that is arranged on described housing 412 bottoms, and the version of air outlet 414 is unrestricted, is preferably provided with filter screen and enters to prevent foreign material on described air inlet 413.In another embodiment, described air inlet 413 also can be a plurality of difference circular tube structure (referring to Fig. 6) independently that is arranged on described housing 412 1 sides, is preferably provided with filter screen and enters to prevent foreign material on described air inlet 413.Wherein, described blower fan axis hole is arranged on a side center position of described housing 412, the opposite side of described housing 412 and described fan shaft 411 relative position places, hole are provided with cylinder boss 415, described a plurality of independently circular tube structure air inlet 413 is around the external cylindrical surface setting of described cylinder boss 415, and preferably described a plurality of independently circular tube structure air inlet 413 external cylindrical surfaces around described cylinder boss 415 arrange symmetrically.
During work, blower fan driving mechanism 42 drives blower fan 41 High Rotation Speeds 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 to regulate air quantity, and according to required blast, determine the power of blower fan driving mechanism 42, after air quantity is stable, air-suction type accurate sower advances under the effect of tractor, and the work of sower drive drives the seeding unit axle of air-suction seeding unit 2 to rotate, air-suction seeding unit 2 work, complete 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, is not subject to the impact of tractor start and stop, can make the air chamber internal pressure of air-suction seeding unit 2 constant.
The utlity model has following advantage:
1, blower fan constant-voltage driving system is applied widely, can be used on all kinds of air-suction type accurate sowers.
2, realized air-suction seeding unit air chamber constant pressure, power cut when having avoided turning around turning, not sowed, declines air pressure, 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 utility model can be widely used on aspiration precision planter, independent installation, drive guarantees that blower fan has constant air pressure output all the time, guaranteed the constant pressure of air-suction seeding unit air chamber, the seed in heaps phenomenon that drops when having solved sower and turning or quit work in field.
Certainly; the utility model also can have other various embodiments; in the situation that not deviating from the utility model spirit and essence thereof; those of ordinary skill in the art are when making various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.
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 be communicated with and form negative pressure in described air chamber with the air chamber of the air-suction seeding unit of described air-suction type accurate sower by airduct, 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 with the fan shaft of described blower fan by shaft coupling, and described driving shaft and described fan shaft coaxially arrange.
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, on described housing, be 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, is characterized in that, described air inlet is the circular tube structure that is arranged on described lower housing portion, is provided with the filter screen for preventing that foreign material from entering on described air inlet.
4. blower fan constant-voltage driving system as claimed in claim 2, is characterized in that, described air inlet is a plurality of difference circular tube structure independently that is arranged on described housing one side, is provided with the filter screen for preventing that foreign material from entering on described air inlet.
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 a side center position of described housing, the opposite side of described housing and described blower fan axis hole relative position place are provided with cylinder boss, and described a plurality of independently circular tube structure air inlets are around the external cylindrical surface setting of described cylinder boss.
6. blower fan constant-voltage driving system as claimed in claim 5, is characterized in that, described a plurality of independently circular tube structure air inlets arrange symmetrically around the external cylindrical surface of described cylinder boss.
7. the blower fan constant-voltage driving system as described in any one in claim 1-6, is characterized in that, described blower fan driving mechanism is gasoline engine, diesel engine or motor.
8. the blower fan constant-voltage driving system as described in any one in claim 1-6, is characterized in that, described blower fan and described blower fan driving mechanism are arranged on respectively rear portion, middle part or the front portion of described frame by a plate.
9. the blower fan constant-voltage driving system as described in any one in claim 1-6, 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 is arranged on described frame front end corresponding to described air-suction seeding unit, it is characterized in that, described blower fan constant-voltage driving system is the blower fan constant-voltage driving system described in any one in the claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420384772.5U CN203951777U (en) | 2014-07-11 | 2014-07-11 | A kind of air-suction type accurate sower and blower fan constant-voltage driving system thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420384772.5U CN203951777U (en) | 2014-07-11 | 2014-07-11 | A kind of air-suction type accurate sower and blower fan constant-voltage driving system thereof |
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| Publication Number | Publication Date |
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| CN203951777U true CN203951777U (en) | 2014-11-26 |
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| CN201420384772.5U Active CN203951777U (en) | 2014-07-11 | 2014-07-11 | A kind of air-suction type accurate sower and blower fan constant-voltage driving system thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105230192A (en) * | 2014-07-11 | 2016-01-13 | 现代农装科技股份有限公司 | Air-suction type precision seeding machine and air blower constant-pressure driving system thereof |
-
2014
- 2014-07-11 CN CN201420384772.5U patent/CN203951777U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105230192A (en) * | 2014-07-11 | 2016-01-13 | 现代农装科技股份有限公司 | Air-suction type precision seeding machine and air blower constant-pressure driving system thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Box 32, No. 1, North Beach, Deshengmenwai, Chaoyang District, Beijing 100083 Patentee after: MODERN AGRICULTURAL EQUIPMENT Co.,Ltd. Patentee after: China Academy of agricultural mechanization Group Co.,Ltd. Address before: Box 32, No. 1, North Beach, Deshengmenwai, Chaoyang District, Beijing 100083 Patentee before: MODERN AGRICULTURAL EQUIPMENT Co.,Ltd. Patentee before: Chinese Academy of Agricultural Mechanization Sciences |
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| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211126 Address after: 100083, North Beach, Desheng Gate, Beijing, Chaoyang District Patentee after: China Academy of agricultural mechanization Group Co.,Ltd. Address before: Box 32, No. 1, North Beach, Deshengmenwai, Chaoyang District, Beijing 100083 Patentee before: MODERN AGRICULTURAL EQUIPMENT Co.,Ltd. Patentee before: China Academy of agricultural mechanization Group Co.,Ltd. |
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| TR01 | Transfer of patent right |