CN207733227U - A kind of seeding cleaning mechanism for beating cave seeding wheel - Google Patents

A kind of seeding cleaning mechanism for beating cave seeding wheel Download PDF

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Publication number
CN207733227U
CN207733227U CN201820045114.1U CN201820045114U CN207733227U CN 207733227 U CN207733227 U CN 207733227U CN 201820045114 U CN201820045114 U CN 201820045114U CN 207733227 U CN207733227 U CN 207733227U
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China
Prior art keywords
wheel
gas chamber
seeding
cave
seeding wheel
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Expired - Fee Related
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CN201820045114.1U
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Chinese (zh)
Inventor
王庆杰
刘俊孝
李洪文
何进
卢彩云
李问盈
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China Agricultural University
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China Agricultural University
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Abstract

A kind of seeding cleaning mechanism for beating cave seeding wheel, including:Beat cave seeding wheel (1), beat cave seeding wheel control mechanism, gas chamber (4), sow wheel cap (11) and gas chamber locking device, it is to beat cave seeding wheel control mechanism to beat cave seeding wheel middle section, the sowing wheel cap (11) that the promising gas chamber (4) for beating cave seeding wheel provides sealing is connected thereon, beating cave seeding wheel center bunch planting kind needle (2) is played to external uniformly radiate, it beats cave seeding wheel central part and is divided into gas chamber area and cam areas, cam can carry out ejection action with bunch planting kind needle (2) cooperation is played, sowing wheel cap (11) is connected with rack by connecting rod, it sows wheel cap (11) and plays the relatively turnable combination of cave seeding wheel central part, the two tight fit makes gas chamber (4) close, closed structure further includes gas chamber locking device.

Description

A kind of seeding cleaning mechanism for beating cave seeding wheel
Technical field
The utility model belongs to agricultural seeder machinery, and in particular to a kind of seeding cleaning mechanism for beating cave seeding wheel.
Background technology
Current existing precision drill mostly uses greatly precision seeder and carries out Quantitative Separation to seed, by seed from seed It takes out, is thrown to later among the kind ditch that plough is held successfully by grain in heap, seed can roll among kind of ditch, and spring is made Strain increases away from aberration rate, can not be distributed seed according to ideal track, realize volume increase.If wanting to realize according to fixation locus point Cloth seed is merely able to realize by way of beating bunch planting kind, and at present using it is more be to carry out beating bunch planting kind using duckbilled, But duckbilled the space occupied is larger, is not suitable for that distribution is excessively intensive, and limitation sowing frequency can not be applied in the sowing spacing in the rows such as wheat On smaller or drilling crop, therefore it is a kind of best selection that pin type, which beats cave seeding wheel, but due to beating cave needle inner hollow, Including seed again, it may appear that seed, which is contained in beat in the needle of cave, can not drop out rear situation about being moved with cave needle is played, and cause seed dropping place inclined It moves, and hollow due to playing cave needle, when beating cave, unavoidably has soil and enter the inside for playing cave needle, air flue will be blocked, Seed picking can not be normally completed, and due to beating cave needle meeting unicom gas chamber later, has the negative pressure that air-flow generates in gas chamber, causes Soil can be inhaled among gas chamber, influence the normal work of seeding wheel.Therefore it is necessary for playing cave seeding wheel Design assistant seeding And cleaning device, to ensure that seeding operation can normally complete.
Utility model content
For the purpose of this utility model aiming at the problems of above-mentioned, innovation makes cave precision drill for needle-like Structure designs a kind of mating auxiliary seeding and cleaning mechanism.So that its solution is beaten, bunch planting kind wheel seed can not be discharged or feeding position is inclined The problem of moving and playing soil cleaning inside cave needle, guarantee needle-like Da Xue precise sowings mechanism can effective operation, seed according to It beats acupuncture point and sets discharge, playing cave needle will not be obstructed with soil.
To achieve the above object, the utility model provides a kind of seeding cleaning mechanism for beating cave seeding wheel, including:Play bunch planting Kind wheel makes cave seeding wheel control mechanism, gas chamber, sowing wheel cap and gas chamber locking device, and it is to beat cave to beat cave seeding wheel middle section Seeding wheel control mechanism connects the sowing wheel cap that the promising gas chamber for beating cave seeding wheel provides sealing, in beating cave seeding wheel thereon The heart plays bunch planting kind needle to external uniformly radiate, and beats cave seeding wheel central part and is divided into gas chamber area and cam areas, sows wheel cap For fixing piece, it is connected by connecting rod with rack, sow wheel cap and beats the relatively turnable combination of cave seeding wheel central part, the two Tight fit makes gas chamber close, and closed structure further includes gas chamber locking device.
Beat cave seeding wheel be hollow cylindrical structure, cylindrical center be beat cave seeding wheel central area, from central area to Surrounding, which is uniformly launched, beats outside of the bunch planting kind needle until beating cave seeding wheel, and seeding wheel covers is provided with pluggable gas in the lower left corner The gas chamber shape of the stomata of pipe, gas chamber area is a circle arc-shaped elongated pore, and multiple gas chambers share an elongated pore.
Sowing wheel cap makes gas chamber close with cave seeding wheel central part is beaten, and closed structure further includes gas chamber locking device, gas Room locking device includes seeding wheel lid spring and pre-load nut two parts composition, and pretightning force adjusts by adjusting pre-load nut, Friction coefficient between the two is low.
Sowing wheel cap, which is fitted to, to be beaten on the seeding wheel central area of cave, and seeding wheel lid, which is closely fitted in, beats cave seeding wheel On the boss of central area, sowing wheel cap pressing air drain and air chamber sealing, sowing wheel cap is organic material, and air drain is located at seeding wheel It covers, shape is cylindrical-shaped extension hole, and coverage area is predetermined to the arrival of bunch planting kind needle is played from bunch planting kind needle completion cleaning action is beaten It charges seed place, about covers 3/4ths regions.
Gas chamber locking device includes that sowing wheel cap, spring and pretension bolt composition, seeding wheel lid spring are pressed in sowing wheel cap Between pretension bolt, pretension bolt is mounted on an axle, and there is screw thread in the outer end of axis, is coordinated with pretension bolt and is adjusted pretightning force, broadcasts For the lower right tool of kind wheel cap there are one the circular stomata that can connect tracheae, tracheae connects wind turbine.
There is suction kind slot on the top for playing bunch planting kind needle, beats bunch planting kind needle inner hollow, and hollow beating inside bunch planting kind needle is furnished with One pushes away kind of a bar, and the top for pushing away kind of bar is equipped with hemispheric push rod cup, and the lower end head for pushing away kind of bar is fluted, and push rod cup is by different When the compressing of type cam, the pretightning force of push rod spring is overcome.
Cave seeding wheel control mechanism is beaten, mainly by push rod cup, push rod spring and the diaphragm seal below push rod spring Composition, diaphragm seal are then partitioned air chambers and inner space, and diaphragm seal is flexible material, and the most center portion in central area is one A bearing block is for installing bearing.
The partial center position distribution of sowing wheel cap has special-shaped cam, special-shaped cam not to interfere with bearing block.
Special-shaped cam coordinates with kind of bar is pushed away, and pushes away the inside that kind of bar is held in front end air exercise bunch planting kind needle in subterranean zone Space forms occupy-place, pushes away rapid retraction after kind of bar is unearthed and ejects again.
Push rod cup lower part, which is equipped with return spring, can will push away kind of a bar return, and pushing away kind of a bar spring lower part has one piece of rubber material to be made Diaphragm seal, gas chamber and cam areas are isolated, gas it is indoor push away kind of bar top there are one wide cut circumference catch to push away kind Bar carries out axial limiting, pushes away kind of bar and is thus divided into two parts being connected through a screw thread.It plays bunch planting kind needle and is divided into three layers.
The beneficial effects of the utility model:
The utility model can solve beat cave seeding wheel beat cave for the problem that seed drive, can not accurate seeding, and It can be beat inside the needle of cave casting cleaning operation be provided, have simple in structure, avoid using complex control system, good reliability etc. Advantage.
Description of the drawings
Fig. 1 is the front view (removal sowing wheel cap) for beating cave seeding wheel.
Fig. 2 is the enlarged drawing of seeding wheel central part.
Fig. 3 is to push away kind of an enlarged drawing for bar control section.
Fig. 4 is the front view for beating cave seeding wheel.
Fig. 5 is the side view for beating cave seeding wheel.
Fig. 6 is the front view for sowing wheel cap.
Fig. 7 is the shaft side figure for sowing wheel cap.
Piece number explanation in figure:
1- beats cave seeding wheel, 2- plays bunch planting kind needle, 3- fastenings slot, 4- gas chambers, 5- push away kind of a bar, 6- pretension bolts, 7- axis, 8- Bearing block, 9- push rod cups, 10- push rod springs, 11- sowing wheel cap, 12- stomatas, 13- seeding wheels lid spring, 14- fastening boss, 15- air drains, 16- axis holes, 17- abnormal shape cams.
Specific implementation mode
A kind of auxiliary seeding that beating cave seeding wheel and cleaning mechanism, main includes pushing away kind of a bar, seeding wheel control mechanism, sowing The compositions such as wheel cap, gas chamber and gas chamber locking device.
Cave seeding wheel is beaten to needle-like first briefly to be introduced, it is seeding wheel control mechanism to beat cave seeding wheel middle section, It is connected with sowing wheel cap thereon and provides sealing for the gas chamber of seeding wheel, seeding wheel covers is provided with stomata in the lower left corner, and tracheae can It is inserted and provides air pressure for gas chamber, play bunch planting kind needle to external uniformly radiate at seeding wheel center, sowing needle is divided into three Layer has suction kind slot on the top for playing cave needle and beats bunch planting kind needle inner hollow, air-flow can allow for pass through, when operation, operation It is partial to play cave needle and obtain the negative pressure with certain suction from gas chamber, seed can be picked up among plants case, and with broadcasting The rotation of kind wheel, plays cave needle and is inserted into underground, and in position, and air pressure disappears, and seed is discharged, is recycled successively.
It is equipped with one in each hollow beating inside the needle of cave and pushes away kind of bar as the component for releasing seed, due to beating cave Needle be inserted into soil after have soil package, just with seeds self gravity carry out seeding it is possible that seed beaten cave needle from The phenomenon that position that should be charged seed takes away causes the offset of sowing position, and harmful effect is caused to sowing effect, and utilizes and push away kind Bar, which can allow, to be played cave needle and releases seed downwards should sow position, ensures the accuracy of sowing position.And it pushes away kind of a needle also to have There is cave needle cleaning inside of fighting each other, can will enter the soil beaten inside the needle of cave and push out again again, and prevent dozen cave needle stifled Plug, causes stuffy, influences seed picking.
Sowing wheel cap can be combined with the central part of seeding wheel, collectively form the control system of seeding wheel, sow wheel cap It can be relatively rotated with seeding wheel central part, when seeding wheel works, seeding wheel rotation, sowing wheel cap is fixing piece and rack It is connected by connecting rod.The two tight fit can ensure that gas chamber is closed, closed to rely primarily on gas chamber locking device to complete, including Seeding wheel lid spring and pre-load nut two parts composition ensure that the two compresses by seeding wheel lid spring, and pretightning force passes through tune Whole pre-load nut adjusts.Friction coefficient between the two is relatively low, and sowing wheel cap uses the lower organic material system of friction coefficient At both not influencing to relatively rotate.Seeding wheel central part is divided into two regions, is gas chamber area and cam areas, the gas in gas chamber area Chamber shape is a circle arc-shaped elongated pore, can save space using elongated pore, multiple gas chambers is allowed to share an elongated pore, improve Distribution efficiency.There are two elongated pore distribution standards, and first, to ensure that each gas chamber mutually completely cuts off, prevents from collaborating, ensure to die Opportunity is accurate, and second is the spacing very little between two gas chambers, does not have any one and plays cave needle and is not connected with gas chamber, ensures to take kind Stablize.
Another region is cam areas, each pushes away the top of kind of bar there are one hemispheric push rod cup, different when encountering When type cam, special-shaped cam can push push rod cup to push, and push away kind of a bar depths, completion pushes away kind and clean up task, in push rod cup lower part There are one small-sized that return spring can rely on itself pretightning force that will push away kind of a bar return when losing special-shaped cam effect.Push away kind Diaphragm seal made of one piece of rubber material is arranged at bar spring lower part, can isolate gas chamber and cam areas, the hole on diaphragm seal with It is interference fit to push away kind of bar, but can slightly be moved in the case where not influencing sealing under external force.In order to pushing away kind of a bar Carry out axial limiting, gas it is indoor push away kind of bar top there are one wide cut circumference catch, push away kind of bar and be thus divided into two parts, It is connected through a screw thread, is easily installed.
Seeding wheel covers the special-shaped cam for being connected with specific shape, and special-shaped cam pushes away kind of a crucial machine for bar movement in order to control Structure, contour curve are calculated by tight, can allow pushing away kind of bar and faster push away seed using the larger virgin curve of gradient Go out, it is just concordant with cave needle is played when push rod touches the bottom, it is ensured that seed can be released again not because of soil crush injury Push away kind of a bar, be one section of isodiametric circular arc later, guarantee pushes away kind of bar in foremost portion, and main purpose is to block space, prevent into Soil;It after playing cave needle from soil, pushes away kind of a bar and returns to original position, later in order to further clean cavity, prevent from bringing soil into, push away kind of a bar It releases again, completes casting and form rear return, the casting operating type of two strokes, which can be effectively discharged out, to be beaten inside the needle of cave Soil keeps cleaning inside, can carry out normally inhaling kind of an operation after guarantee.
In one broad embodiment of the utility model:Needle-like seed external Da Xue precise sowings mechanism includes mainly beating cave Seeding wheel 1 pushes away kind of bar 5, seeding wheel control mechanism, gas chamber 4, the sowing compositions such as wheel cap 11 and gas chamber locking device.
It is a hollow cylindrical structure to beat cave seeding wheel 1, and cylindrical center is seeding wheel central area, from central area Uniformly launch around and beat external certain distance of the cave needle until beating cave seeding wheel 1, is divided into three rows.Central area it is outermost Portion includes fastening slot 3 together, is matched with fastening boss 14, the two can be helped to position, prevent axis from deflecting.Again inward Face even circumferential is dispersed with many gas chambers 4, and gas chamber is connected to each and beats air flue inside the needle of cave, can ensure acquisition Negative pressure is transmitted to each top for playing cave needle, and seed can be picked up from plants case to ensure that each plays cave needle.But gas chamber 4 It is also noted that the distance between cannot be too small so that between the unicom between air flue produced due to the presence of air flue, It causes the time for stopping supplying to lag, influences planting.A circle is seeding wheel control mechanism inside again, mainly by push rod First 9, push rod spring 10 and the diaphragm seal composition below push rod spring 10.The effect of push rod cup is in order to allowing push rod can be more Gentle obtains power from special-shaped cam 17, and push rod spring is the recycling that return spring ensures push rod.Diaphragm seal is then to separate Gas chamber and inner space, it is flexible material to prevent gas leakage, diaphragm seal, does not influence the movement of push rod.In the most central of central area Part is a bearing block 8, for installing bearing.
The inside that cave needle 2 is played at each is hollow structure, and equipped with kind of bar 5 is pushed away, the head for pushing away kind of bar is fluted for inside, profit In protection seed;When compressing of the push rod cup 9 by special-shaped cam 17, the pretightning force of push rod spring 10 is overcome, will push away kind of a bar and push away Go out, pushing away kind of bar can play the role of that seed is released and cleaned to push away 5 inner space of kind of bar.
Sowing wheel cap 11 can be fitted on seeding wheel central area, can ensure seeding wheel by gas chamber locking device Lid 11 is closely fitted on the boss of seeding wheel central area, can play the role of pressing air drain 15 and gas chamber 4, anti-leak-stopping Gas, sowing wheel cap 11 are organic material, reduce friction coefficient, reduce rotary resistance.Air drain is located on sowing wheel cap 11, and shape is Cylindrical-shaped extension hole, covering change greatly 2/3 region, ensure that negative pressure disappears when beating the arrival sowing position of cave needle 2, avoid influencing to fall Kind, and to reaching before sowing position after playing cave needle and entering plants case, negative pressure is intended to exist and stablize, and guarantees pickup kind Son, and there is no grain osses during beating cave seeding wheel 1 and rotating.Gas chamber locking device includes seeding wheel lid spring 13 and pre- Tight bolt 6 forms, and seeding wheel lid spring 13 is pressed between sowing wheel cap 11 and pretension bolt 6, and gas chamber is provided for sowing wheel cap 11 Pressure needed for locking;Pretension bolt 6 is mounted on axis 7, and there is screw thread in the outer end of axis 7, is coordinated with pretension bolt 6, can be adjusted Pretightning force.The lower right tool of wheel cap 11 is sowed there are one circular stomata 12, connection tracheae and then wind turbine is connected when operation, for gas Room 4 provides negative pressure.
The partial center position distribution of sowing wheel cap 11 has special-shaped cam 17, to avoid interfering with bearing block 8, special-shaped cam 17 Shape is more prominent, is in irregular shape.The track of special-shaped cam 17 can ensure to push away kind of bar in the suitable time by calculating It releases rapidly, and is held in the inner space formation occupy-place of front end air exercise cave needle 2 in subterranean zone, prevent excessive soil Into, and the rapid retraction after being unearthed, and eject herein, the inner space of air exercise cave needle 2 carries out secondary cleaning, can be effectively It avoids blocking.
It is last it is to be noted that:Above example is only to illustrate the technical solution of the utility model, rather than limits it System.Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should manage Solution:Its still can with technical scheme described in the above embodiments is modified, or to which part technical characteristic into Row equivalent replacement;And these modifications or replacements, various embodiments of the utility model that it does not separate the essence of the corresponding technical solution The spirit and scope of technical solution.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not It is confined to this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in Change or replacement, should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should It is subject to the protection scope in claims.

Claims (10)

1. a kind of seeding cleaning mechanism for beating cave seeding wheel, including:Cave seeding wheel (1) is beaten, cave seeding wheel control mechanism, gas chamber are beaten (4), sowing wheel cap (11) and gas chamber locking device, it is characterised in that:It is to play cave seeding wheel control to beat cave seeding wheel middle section Mechanism, connect thereon it is promising beat cave seeding wheel gas chamber (4) provide sealing sowing wheel cap (11), beat cave seeding wheel center to External uniformly radiate plays bunch planting kind needle (2), beats cave seeding wheel central part and is divided into gas chamber area and cam areas, sows wheel cap (11) it is connected by connecting rod with rack, sow wheel cap (11) and beats the relatively turnable combination of cave seeding wheel central part, the two Tight fit makes gas chamber (4) close, and closed structure further includes gas chamber locking device.
2. a kind of seeding cleaning mechanism for beating cave seeding wheel according to claim 1, it is characterised in that:Beat cave seeding wheel (1) it is hollow cylindrical structure, cylindrical center is to beat cave seeding wheel central area, is uniformly launched around from central area Outside of the bunch planting kind needle (2) until beating cave seeding wheel (1) is beaten, sows and is provided with the gas of pluggable tracheae in the lower left corner on wheel cap (11) Hole (12).
3. a kind of seeding cleaning mechanism for beating cave seeding wheel according to claim 1, it is characterised in that:The gas chamber in gas chamber area (4) shape is a circle arc-shaped elongated pore, and multiple gas chambers (4) share an elongated pore.
4. a kind of seeding cleaning mechanism for beating cave seeding wheel according to claim 1 or 3, it is characterised in that:Sow wheel cap (11) and beating cave seeding wheel central part makes gas chamber (4) close, and closed structure further includes gas chamber locking device, gas chamber locking device Including sowing wheel cap (11) spring and pre-load nut two parts composition, pretightning force adjusts by adjusting pre-load nut, the two it Between friction coefficient it is low.
5. a kind of seeding cleaning mechanism for beating cave seeding wheel according to claim 1, it is characterised in that:Sow wheel cap (11) It is fitted to and beats on the seeding wheel central area of cave, sowing wheel cap (11), which is closely fitted in, beats the convex of cave seeding wheel central area On platform, sowing wheel cap (11) presses air drain (15) and is sealed with gas chamber (4), and air drain is located on sowing wheel cap (11), and shape is cylinder Shape elongated pore.
6. a kind of seeding cleaning mechanism for beating cave seeding wheel according to claim 1, it is characterised in that:Gas chamber locking device It is pressed in sowing wheel cap including sowing wheel cap (11), spring (13) and pretension bolt (6) composition, sowing wheel cap (11) spring (13) (11) between pretension bolt (6), pretension bolt (6) is mounted on axis (7), and there is screw thread in the outer end of axis (7), with pretension bolt (6) cooperation adjusts pretightning force, and there are one the circular stomata (12) that can connect tracheae, tracheaes for the lower right tool of sowing wheel cap (11) Connect wind turbine.
7. a kind of seeding cleaning mechanism for beating cave seeding wheel according to claim 1, it is characterised in that:Play bunch planting kind needle (2) there is suction kind slot on top, beats bunch planting kind needle (2) inner hollow, and hollow bunch planting kind needle (2) inside of beating pushes away kind of a bar equipped with one (5), the top for pushing away kind of a bar (5) is equipped with hemispheric push rod cup (9), and the lower end head for pushing away kind of a bar (5) is fluted, push rod cup (9) By special-shaped cam (17) compressing when, overcome the pretightning force of push rod spring (10).
8. a kind of seeding cleaning mechanism for beating cave seeding wheel according to claim 7, it is characterised in that:Play cave seeding wheel control Mechanism processed is mainly made of push rod cup (9), push rod spring (10) and the diaphragm seal below push rod spring (10), sealing Then partitioned air chambers (4) and inner space, diaphragm seal are flexible material to piece, and the most center portion in central area is a bearing block (8) it is used to that bearing to be installed.
9. a kind of seeding cleaning mechanism for beating cave seeding wheel according to claim 7 or 8, it is characterised in that:Push rod cup (9) Lower part, which is equipped with return spring, can will push away kind of a bar (5) return, and pushing away kind of a bar spring lower part has diaphragm seal made of one piece of rubber material, will Gas chamber (4) is isolated with cam areas, is pushed away kind of a bar (5) and is thus divided into two parts being connected through a screw thread.
10. a kind of seeding cleaning mechanism for beating cave seeding wheel according to claim 7, it is characterised in that:Sow wheel cap (11) partial center position distribution has special-shaped cam (17), special-shaped cam (17) not to interfere with bearing block (8), special-shaped cam (17) Coordinate with kind of a bar (5) is pushed away, pushes away the inner space shape that kind of a bar (5) is held in front end air exercise bunch planting kind needle (2) in subterranean zone At occupy-place, pushes away rapid retraction after kind of a bar (5) is unearthed and eject again.
CN201820045114.1U 2018-01-11 2018-01-11 A kind of seeding cleaning mechanism for beating cave seeding wheel Expired - Fee Related CN207733227U (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108243677A (en) * 2018-01-11 2018-07-06 中国农业大学 A kind of seeding cleaning mechanism for beating cave seeding wheel
CN109804753A (en) * 2019-04-09 2019-05-28 中国农业大学 A kind of accurate on-demand device of wheat

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108243677A (en) * 2018-01-11 2018-07-06 中国农业大学 A kind of seeding cleaning mechanism for beating cave seeding wheel
CN108243677B (en) * 2018-01-11 2024-03-15 中国农业大学 Seed metering cleaning mechanism of hole digging sowing wheel
CN109804753A (en) * 2019-04-09 2019-05-28 中国农业大学 A kind of accurate on-demand device of wheat
CN109804753B (en) * 2019-04-09 2020-07-28 中国农业大学 Accurate dibble seeding device of wheat

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