CN104782286A - Special vacuum storage tank for air-suction planter - Google Patents
Special vacuum storage tank for air-suction planter Download PDFInfo
- Publication number
- CN104782286A CN104782286A CN201510230678.3A CN201510230678A CN104782286A CN 104782286 A CN104782286 A CN 104782286A CN 201510230678 A CN201510230678 A CN 201510230678A CN 104782286 A CN104782286 A CN 104782286A
- Authority
- CN
- China
- Prior art keywords
- aspiration
- tank body
- valve
- storage tank
- vacuum storage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Sowing (AREA)
Abstract
The invention belongs to an accessory device of an air-suction planter, and particularly relates to a special vacuum storage tank for an air-suction planter. The special vacuum storage tank comprises a tank body and a pressure meter, wherein the pressure meter is arranged on the tank body; one side of the tank body is matched with an air suction end of an air suction machine through a one-way air suction valve; the other side of the tank body is matched with an air chamber of the air-suction planter; and a pressure-limiting adjusting valve is arranged on the tank body. According to the special vacuum storage tank, the technical problem that suction force of the air-suction planter in the prior art changes due to a low rotating speed or parking idle speed of a tractor, resulting in multi-seeding or miss-seeding is solved; the special vacuum storage tank has the advantages of wide application range, stable and reliable working state and the like; and precision seeding of seeds can be ensured to the maximal extent.
Description
Technical field
The invention belongs to the auxiliary equipment of aspiration type sowing device, refer to a kind of aspiration type sowing device Special vacuum storage tank especially.
Background technology
The suction of existing aspiration type sowing device is directly determined by tractor rotating speed.Rotating speed height then suction is large, easily causes the situation occurring absorption many seed kinds, cause significant wastage, increase considerably the artificial thinning cost after emerging simultaneously for foodstuff seed and fuel oil in practical application.During tractor rotating speed low or parking idling, suction is inadequate in field and when passing by ditch, seed kind can be caused all to come off can not adsorb, cause hole, soil, when again working after parking, due to aspiration type sowing device does not adsorb seed kind just carry out sowing can cause land wastage because of broadcast leakage.
The patent No. is disclose a kind of air-suction type accurate sower and blower fan constant-voltage driving system thereof in the patent of invention of 201420384772.5, 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 corresponds to described air-suction seeding unit and is arranged on described frame front end, described blower fan constant-voltage driving system is arranged in described frame, and to be communicated with the air chamber of described air-suction seeding unit 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.Although above-mentioned prior art Problems existing one is the pressure adjusting that can be completed by the power adjusting blower fan in aspiration type sowing device air chamber, but cause constant pressure in air chamber to be effectively consistent owing to lacking pressure limiting device, the change of artificial adjustment pressure is only relied in practical operation, enchancement factor is excessive, effectively cannot avoid the generation of the multiple and broadcast leakage phenomenon in a cave in seeding process; Two is adopt blower fan drive system (gasoline engine, diesel engine or motor) to drive separately to realize blower fan running, adds cost and the fuel consume of equipment.
Summary of the invention
The object of the present invention is to provide a kind of aspiration type sowing device Special vacuum storage tank, support the use the precise sowing that effectively can realize seed kind with aspiration type sowing device.
Overall technology design of the present invention is:
Aspiration type sowing device Special vacuum storage tank, comprises tank body, is arranged at the manometer on tank body; Tank body side is adaptive by the suction end of unidirectional aspiration valve and pneumatic elevator, and the opposite side of tank body and the air chamber adaptation of aspiration type sowing device, tank body is provided with pressure limiting control valve.
Concrete technical conceive of the present invention also has:
For ease of the assembling of tank body and pneumatic elevator, preferably and comparatively common implementation is that described tank body side connects the suction end of pneumatic elevator by the first air intake duct, unidirectional aspiration valve.
Be connected with the air chamber of aspiration type sowing device for ease of tank body, preferred embodiment, the opposite side of described tank body is connected with the air chamber of aspiration type sowing device by the second air intake duct.Can it is evident that, be connected with multiple the effective of aspiration type sowing device air chamber for realizing the present invention, the second air intake duct can offer many, and determine as required with aspiration type sowing device be communicated with or close, do not depart from essence of the present invention.
For realizing unidirectional aspiration valve active homing in a non-operative state, thus the effective negative pressure in guarantee tank body, form good adsorption to the seed kind of aspiration type sowing device, preferred implementer's formula is, described unidirectional aspiration valve adopts the unidirectional aspiration valve of self-replaced type.
The implementation of check valve can comprise multiple prior art, does not depart from essence of the present invention.Be comparatively preferred embodiment wherein, described unidirectional aspiration valve comprises check valve shell, the upper port of check valve shell is communicated with the suction end of pneumatic elevator, the lower port of check valve shell is communicated with tank body, the ventilating frame arranged in the lower port of valve rod and check valve shell is fixed, be set with valve rod in the middle part of spool and be slidably matched, and the lower port of spool lower end and check valve shell is adaptive, and the valve rod between valve stem tip and spool upper surface is set with return spring.
For realizing the effective sealing of spool lower surface and check valve shell lower port, preferred technical implementation way is that described spool comprises the sealing gasket shell be set on valve rod, to be set on valve rod and the sealing gasket of laminating and sealing gasket shell lower surface, be fixed on the hold-down nut of sealing gasket bottom, the lower surface of sealing gasket and the lower port adaptation of check valve shell.
For realizing the effective location of return spring, make it unlikelyly deviate from from valve rod, preferred technical implementation way is, described valve stem tip bulging or be provided with banking stop, and return spring is arranged on the valve rod between valve stem tip and spool upper surface.
For forming available protecting to sealing gasket, make its not reason deformation and loss of seal effect when pressure-bearing is larger, preferred technical implementation way is, described sealing gasket housing perimeter is provided with the convex annular edge with sealing gasket 7 periphery adaptation simultaneously.
Operation principle of the present invention is as follows:
In working order, pneumatic elevator air-breathing causes sealing gasket automatically to be opened, when the reduction of pneumatic elevator rotating speed causes negative pressure to reduce and is less than tank body internal gas pressure, back-moving spring resets, sealing gasket self-closed, makes tank body and pneumatic elevator isolate, thus makes negative pressure in tank body keep balance to adsorb seed kind.
Operationally, negative pressure is adjusted to the required negative pressure of sowing, and when when machine rotational speed is large, pneumatic elevator suction is greater than negative pressure needed for sower, pressure limiting control valve is opened automatically, makes negative pressure in tank keep poised state, thus realizes steadily sowing.
The present invention is applicable to support the use with the pneumatic seeder carrying varying number aspiration type sowing device, and the pneumatic seeder of different size can select the tank body of different volume and the second air intake duct of varying number.
Substantive distinguishing features acquired by the present invention and significant technological progress are:
1, the present invention adopts and is configured with unidirectional aspiration valve, the isostructural tank body of pressure limiting control valve coordinates aspiration type sowing device and pneumatic elevator to use, in negative pressure little or machine stop in unidirectional aspiration valve can close and aspiration type sowing device and pneumatic elevator are isolated, vacuum state is kept in tank body, can continue within a certain period of time to keep certain negative-pressure adsorption seed kind, seed kind on aspiration type sowing device is not come off, thus reach and there is no broadcast leakage, can normally sow when tractor rotating speed is abnormal, pressure limiting control valve is installed on tank body simultaneously, make the pressure adjustable of tank interior and keep constant, when aspiration type sowing device absorption seed kind not only without many but also without hole, the Precise sowing of seed kind can be ensured to greatest extent.
2, the structural design of pressure limiting control valve can meet the needs of the different negative pressure of variety classes seed kind needs, the use pressure that pressure limiting control valve can regulate each seed kind corresponding, no matter sow which kind of seed kind and all can effectively be adjusted to optimal adsorption power, the scope of application is wide and stable working state is reliable.
3, tank body is provided with manometer, vacuum pressure in storage tank can be observed at any time, thus need different negative pressure by pressure limiting control valve being adjusted to variety classes seed kind, and whether Timeliness coverage aspiration type sowing device normally works, and reduces the loss because equipment fault causes.
Accompanying drawing explanation
Accompanying drawing of the present invention has:
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is the structural representation of unidirectional aspiration valve.
Reference numeral of the present invention is as follows:
1, the first air intake duct; 2, valve rod; 3, check valve shell; 4, return spring; 5, hold-down nut; 6, sealing gasket; 7, sealing gasket shell; 8, ventilating frame; 9, tank body; 10, pressure limiting control valve; 11, aspiration type sowing device; 12, the second air intake duct; 13, pneumatic elevator; 14, manometer; A, unidirectional aspiration valve.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are further described; but it is not as a limitation of the invention; the content that protection scope of the present invention is recorded with claim is as the criterion, and any equivalent technical elements made according to specification is replaced, and does not all depart from protection scope of the present invention.
The unitary construction of the present embodiment, as diagram, comprising tank body 9, is arranged at the manometer 14 on tank body 9; Tank body 9 side is adaptive by the suction end of unidirectional aspiration valve A and pneumatic elevator 13, and the opposite side of tank body 9 and the air chamber adaptation of aspiration type sowing device 11, tank body 9 is provided with pressure limiting control valve 10.
Described tank body 9 side connects the suction end of pneumatic elevator 13 by the first air intake duct 1, unidirectional aspiration valve A.
The opposite side of described tank body 9 is connected with the air chamber of aspiration type sowing device 11 by the second air intake duct 12.Can it is evident that, connect with the effective of multiple aspiration type sowing device air chamber for realizing the present invention, the second air intake duct can offer many, and determine as required with aspiration type sowing device be communicated with or close, do not depart from essence of the present invention.
Described unidirectional aspiration valve A adopts the unidirectional aspiration valve of self-replaced type.
Described unidirectional aspiration valve A comprises check valve shell 3, the upper port of check valve shell 3 is communicated with the suction end of pneumatic elevator 13, the lower port of check valve shell 3 is communicated with tank body 9, valve rod 2 is fixed with the interior ventilating frame 8 arranged of the lower port of check valve shell 3, be set with valve rod 2 in the middle part of spool and be slidably matched, and the lower port of spool lower end and check valve shell 3 is adaptive, and the valve rod 2 between valve rod 2 top and spool upper surface is set with return spring 4.
Described spool comprises the sealing gasket shell 7 be set on valve rod 2, to be set on valve rod 2 and the sealing gasket 6 of laminating and sealing gasket shell 7 lower surface, be fixed on the hold-down nut 5 of sealing gasket 6 bottom, the lower surface of sealing gasket 6 and the lower port adaptation of check valve shell 3.
Described valve rod 2 top bulging or be provided with banking stop, return spring 4 is arranged on the valve rod 2 between valve rod 2 top and spool upper surface.
Described sealing gasket shell 7 periphery is provided with the convex annular edge with sealing gasket 7 periphery adaptation.
Claims (8)
1. aspiration type sowing device Special vacuum storage tank, comprises tank body (9), is arranged at the manometer (14) on tank body (9); It is characterized in that tank body (9) side is adaptive with the suction end of pneumatic elevator (13) by unidirectional aspiration valve (A), the opposite side of tank body (9) and the air chamber adaptation of aspiration type sowing device (11), tank body (9) is provided with pressure limiting control valve (10).
2. aspiration type sowing device Special vacuum storage tank according to claim 1, is characterized in that described tank body (9) side connects the suction end of pneumatic elevator (13) by the first air intake duct (1), unidirectional aspiration valve (A).
3. the aspiration type sowing device Special vacuum storage tank according to any one of claim 1 or 2, is characterized in that the opposite side of described tank body (9) is connected with the air chamber of aspiration type sowing device (11) by the second air intake duct (12).
4. aspiration type sowing device Special vacuum storage tank according to claim 1, is characterized in that described unidirectional aspiration valve (A) adopts the unidirectional aspiration valve of self-replaced type.
5. the aspiration type sowing device Special vacuum storage tank according to any one of claim 1 or 4, it is characterized in that described unidirectional aspiration valve (A) comprises check valve shell (3), the upper port of check valve shell (3) is communicated with the suction end of pneumatic elevator (13), the lower port of check valve shell (3) is communicated with tank body (9), valve rod (2) is fixed with the interior ventilating frame (8) arranged of the lower port of check valve shell (3), be set with valve rod (2) in the middle part of spool and be slidably matched, and the lower port of spool lower end and check valve shell (3) is adaptive, valve rod (2) between valve rod (2) top and spool upper surface is set with return spring (4).
6. aspiration type sowing device Special vacuum storage tank according to claim 5, it is characterized in that described spool comprises the sealing gasket shell (7) be set on valve rod (2), be set in valve rod (2) to go up and the sealing gasket (6) of laminating and sealing gasket shell (7) lower surface, be fixed on the hold-down nut (5) of sealing gasket (6) bottom, the lower surface of sealing gasket (6) and the lower port adaptation of check valve shell (3).
7. the aspiration type sowing device Special vacuum storage tank according to any one of claim 5, it is characterized in that described valve rod (2) top bulging or be provided with banking stop, return spring (4) is arranged on the valve rod (2) between valve rod (2) top and spool upper surface.
8. aspiration type sowing device Special vacuum storage tank according to claim 6, is characterized in that described sealing gasket shell (7) periphery is provided with the convex annular edge with sealing gasket (7) periphery adaptation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510230678.3A CN104782286B (en) | 2015-05-08 | 2015-05-08 | Aspiration type sowing device Special vacuum storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510230678.3A CN104782286B (en) | 2015-05-08 | 2015-05-08 | Aspiration type sowing device Special vacuum storage tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104782286A true CN104782286A (en) | 2015-07-22 |
| CN104782286B CN104782286B (en) | 2016-11-16 |
Family
ID=53547847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510230678.3A Expired - Fee Related CN104782286B (en) | 2015-05-08 | 2015-05-08 | Aspiration type sowing device Special vacuum storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104782286B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002181230A (en) * | 2000-12-15 | 2002-06-26 | Tlv Co Ltd | Water hammer preventer |
| CN102160485A (en) * | 2011-01-18 | 2011-08-24 | 陈恒 | Vacuum-seed-taking and precisely-dibbling device with negative-pressure storage tank |
| CN202441528U (en) * | 2012-02-14 | 2012-09-19 | 潍柴动力股份有限公司 | Pressure regulator for pneumatic starter |
| CN203413179U (en) * | 2013-08-19 | 2014-01-29 | 西安江河电站技术开发有限责任公司 | Air one-way valve |
| CN204598643U (en) * | 2015-05-08 | 2015-09-02 | 杨国福 | Aspiration type sowing device Special vacuum storage tank |
-
2015
- 2015-05-08 CN CN201510230678.3A patent/CN104782286B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002181230A (en) * | 2000-12-15 | 2002-06-26 | Tlv Co Ltd | Water hammer preventer |
| CN102160485A (en) * | 2011-01-18 | 2011-08-24 | 陈恒 | Vacuum-seed-taking and precisely-dibbling device with negative-pressure storage tank |
| CN202441528U (en) * | 2012-02-14 | 2012-09-19 | 潍柴动力股份有限公司 | Pressure regulator for pneumatic starter |
| CN203413179U (en) * | 2013-08-19 | 2014-01-29 | 西安江河电站技术开发有限责任公司 | Air one-way valve |
| CN204598643U (en) * | 2015-05-08 | 2015-09-02 | 杨国福 | Aspiration type sowing device Special vacuum storage tank |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104782286B (en) | 2016-11-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102511224B (en) | Pneumatic bucket wheel type precision corn seeder | |
| CN102783395B (en) | Automatic-dredging anti-blocking low pressure drop irrigation emitter | |
| CN204231907U (en) | Air pressure protects kind of a formula essence quantity set row device | |
| CN105103732B (en) | Pneumatic precision planter | |
| CN101133712B (en) | Self-adaption drip irrigation watering device located in the soil | |
| CN104303651B (en) | Air pressure protects kind of a formula essence quantity set row device | |
| CN211322000U (en) | Air-suction type seeding planter | |
| CN204598643U (en) | Aspiration type sowing device Special vacuum storage tank | |
| CN204647484U (en) | A kind of solenoid valve of intake-outlet homonymy | |
| CN208768419U (en) | Small-sized pneumatic seeder planter | |
| CN104782286A (en) | Special vacuum storage tank for air-suction planter | |
| CN202818939U (en) | Circumferential hole air-aspiration type seed-metering device | |
| CN106688618B (en) | Automatic water adding device for humidifying needle mushrooms | |
| CN206260254U (en) | A kind of wheeled air-suction seed metering device | |
| CN202713925U (en) | Needle head type pneumatic seeding apparatus | |
| CN203618328U (en) | Pneumatic seed-metering device | |
| CN204652933U (en) | A kind of seedling disc seeding device that is power source with family expenses or vehicle-mounted dust collector | |
| CN208971954U (en) | A kind of aspirated-air type vacuum seed sowing machine | |
| CN206274739U (en) | Blast compensation device and the blower fan with blast compensation device | |
| CN203369151U (en) | Novel automatic water feeding planting pot | |
| CN208063760U (en) | A kind of agricultural aspirated-air type sead feeder | |
| CN220915741U (en) | Multifunctional precision seeding device for corn | |
| CN208125332U (en) | Battery case air-leakage test aerator | |
| CN107493762B (en) | Seed separating and sowing device suitable for rape direct seeding | |
| CN205946552U (en) | Electronic negative pressure formula precision sowing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161116 Termination date: 20180508 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |