CN204119784U - Small plot experiment sower - Google Patents
Small plot experiment sower Download PDFInfo
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- CN204119784U CN204119784U CN201420616908.0U CN201420616908U CN204119784U CN 204119784 U CN204119784 U CN 204119784U CN 201420616908 U CN201420616908 U CN 201420616908U CN 204119784 U CN204119784 U CN 204119784U
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Abstract
The utility model discloses a kind of small plot experiment sower, comprising: kind of a device is changed in frame, land wheel, furrow plough and seeding; Seeding is changed kind of a device and is comprised: the first seed plate, and it is provided with several kind of sub-aperture; Fixed disk, it is provided with upper end and the corresponding feed outlet of kind sub-aperture; Seeding cavity, its top is provided with the seed import be connected by seeding hopper with feed outlet, and be provided with sowing outlet bottom it and unload kind of an outlet, sowing outlet and is positioned at the sowing expanding channels at the rear of corresponding furrow plough, unloads kind of an outlet and is connected with a retracting device; Seeding core, it is arranged in seeding cavity, and it is provided with the seed distributing groove between seed import and sowing export; And unloading kind of a core, itself and seeding core are arranged in seeding cavity side by side, and it kind to export corresponding with unloading, and this unloads kind of a core and is provided with one and unloads kind of a hole.The utility model can automatically switch the crop seeds of different cultivars and adjustment spacing in the rows, and its structure is simple, and flexible operation, manufacturing cost is lower.
Description
Technical field
The utility model relates to agricultural seeder machinery field, particularly a kind of small plot experiment sower.
Background technology
In agri-scientific research test, be unit to the plantation of crops mainly with community, leave passageway or isolation strip between community, the area of community is general less, and the crops of different cultivars often can be planted in each community.Because the sower used in current agricultural production is for realizing the large-scale sower of continuous large-area sowing, this kind of sower can not switch the crop seeds of different cultivars automatically neatly, and due to the area of community less, therefore this kind of large-scale sower and be not suitable for community be plantation unit agri-scientific research test.
The information being disclosed in this background technology part is only intended to increase the understanding to general background of the present utility model, and should not be regarded as admitting or imply in any form that this information structure has been prior art that persons skilled in the art are known.
Utility model content
The purpose of this utility model is to provide a kind of small plot experiment sower, the crop seeds of its different cultivars that can automatically switch, and its structure is simple, and flexible operation, manufacturing cost is lower.
For achieving the above object, the utility model provides a kind of small plot experiment sower, and it comprises: frame; Land wheel, it is installed in described frame by the land axle that is connected with driving mechanism; Furrow plough, several these furrow ploughs are arranged at the bottom of described frame side by side; And kind of a device is changed in seeding, described frame is provided with several these corresponding with several furrow ploughs described respectively seedings and changes kind of a device, this seeding is changed kind of a device and is comprised: the first seed plate, it is provided with several circumferentially equally distributed kind of sub-aperture, this first seed plate is rotatably arranged in described frame, and the aperture of described kind of sub-aperture downward; Fixed disk, it is arranged in described frame, and it is positioned at the below of described first seed plate, and it is corresponding with the kind sub-aperture of described first seed plate and by the feed outlet of seeding switch control rule opening and closing that this fixed disk is provided with a upper end; Seeding cavity, it is arranged in described frame, it is positioned at the below of described fixed disk, the top of this seeding cavity is provided with a seed import be connected by a seeding hopper with described feed outlet, and be provided with sowing outlet bottom it and unload kind of an outlet, described sowing outlet to be positioned at the sowing expanding channels at the rear of corresponding described furrow plough with one, described in unload kind of an outlet and be connected with a retracting device; Seeding core, it is rotatably arranged in described seeding cavity, and this seeding core is provided with the seed distributing groove between described seed import and sowing export, and described seed distributing groove comprises that several are recessed in the same groove circumferentially of this seeding core equably; And unloading kind of a core, it is rotatably arranged in described seeding cavity side by side with described seeding core, and it kind to export corresponding with described unloading, and this unloads kind of a core and is provided with one and unloads kind of a hole.
Preferably, in technique scheme, described seeding core is provided with seed distributing groove described in several vertically, and the quantity of the described groove on any two described seed distributing grooves is different; This seeding core can move to adjust seed distributing groove described in any one between described seed import and described sowing export vertically.
Preferably, in technique scheme, described seeding switch is an inserted sheet being arranged at the lower end of the feed outlet of described fixed disk in the mode that can slide.
Preferably, in technique scheme, described retracting device is second seed plate identical with described first seed plate structure, kind of a below for outlet is unloaded described in this second seed plate is rotatably arranged at, the aperture of the kind sub-aperture of this second seed plate upward, and described in unload kind and be provided with one between the below of outlet and the kind sub-aperture of this second seed plate and unload kind of a funnel.
Preferably, in technique scheme, described first seed plate and described second seed plate change kind of transmission mechanism by one and drive and synchronously carry out intermittent rotary, and each angle of rotating is the angle between two adjacent described kind of sub-aperture; This changes kind of transmission mechanism and comprises: one is rotatably arranged at the driver plate in described frame by driver plate axle, described driver plate axle is provided with a chain wheel set be made up of the sprocket wheel of several different-diameters, described land axle is provided be connected by chain with described chain wheel set change kind of a sprocket wheel; One with on the lateral surface being arranged at described driver plate change kind of straight pin corresponding change kind of a sheave, described rotating shaft of changing kind of sheave is connected by the lower end of bevel gear with the rotating shaft of described first seed plate, one end that kind of power transmission shaft is changed in the lower end and of the rotating shaft of described second seed plate is connected by bevel gear, described in change kind of power transmission shaft the other end be connected by the rotating shaft of bevel gear with described first seed plate.
Preferably, in technique scheme, described in unload kind of core rotating shaft unload kind of transmission mechanism by one and drive and rotate, each angle of rotating is 180 °; Described unload kind of transmission mechanism comprise one with on the medial surface being arranged at described driver plate unload kind of straight pin corresponding unload kind of a sheave, this rotating shaft of unloading kind of sheave is connected with described rotating shaft of unloading kind of core by Chain conveyer.
Preferably, seeding core described in several is all positioned in the rotating shaft of same seeding core, and this seeding core rotating shaft is connected with described land axle by Chain conveyer.
Preferably, in technique scheme, the bottom of described frame is set side by side with two described furrow ploughs, and described frame corresponds to these two furrow ploughs is respectively arranged with two described seedings and changes kind of a device.
Compared with prior art, the utility model has following beneficial effect:
1, the utility model changes kind of device by seeding and can to automatically switch the crop seeds of different cultivars, and its structure is simple, and flexible operation, manufacturing cost is lower.
2, seeding core of the present utility model can move vertically to adjust any one seed distributing groove between sub-import and sowing export, and adjusts spacing in the rows flexibly by the seed distributing groove of the groove being provided with varying number.
3, retracting device of the present utility model is second seed plate identical with the first seed plate structure, synchronously can classify by the seed when reclaiming seed and on the first seed plate, preventing dissimilar seed from mixing after recovery.
4, transmission mechanism of the present utility model is simple, can unload kind of an action by synchronous matching to realize seeding.
Accompanying drawing explanation
Fig. 1 is the front view according to small plot experiment sower of the present utility model.
Fig. 2 is the right view according to small plot experiment sower Fig. 1 of the present utility model.
Fig. 3 is the schematic diagram changing kind of transmission mechanism according to small plot experiment sower of the present utility model.
Fig. 4 is the structural representation of the first seed plate according to small plot experiment sower of the present utility model.
Fig. 5 is the elevated bottom perspective schematic diagram of the fixed disk according to small plot experiment sower of the present utility model.
Fig. 6 is the top schematic perspective view of the seeding cavity according to small plot experiment sower of the present utility model.
Fig. 7 be according to the seeding cavity of small plot experiment sower of the present utility model elevated bottom perspective schematic diagram.
Fig. 8 is the schematic perspective view of the seeding core according to small plot experiment sower of the present utility model.
Fig. 9 is the schematic diagram according to community of the present utility model.
Main Reference Numerals illustrates:
1-frame, 11-land wheel, 111-land axle, 112-changes kind of a sprocket wheel, and 113-sows sprocket wheel, 12-furrow plough; 2-first seed plate, 21-kind sub-aperture, 22-identifies groove, the rotating shaft of 23-first seed plate; 3-fixed disk, 31-feed outlet, 32-inserted sheet, 33-seeding hopper; 4-seeding cavity, the import of 41-seed, 42-sows outlet, 43-unloads kind of an outlet, 44-seeding core, 441-seed distributing groove, 442-groove, the rotating shaft of 443-seeding core, 444-seeding core sprocket wheel, 45-unloads kind of a core, 451-unloads kind of a hole, and 452-unloads the rotating shaft of kind of core, and 453-unloads kind of a core sprocket wheel, 46-sows passage, and 47-unloads kind of a funnel; 5-second seed plate, the rotating shaft of 51-second seed plate, 52-changes kind of a power transmission shaft; 6-changes kind of a sheave, and 61-changes the rotating shaft of kind of sheave; 7-unloads kind of a sheave, 71 rotating shafts of unloading kind of sheave, and 72 unload kind of a sprocket wheel; 8-driver plate, 81-driver plate axle, 82-changes kind of a straight pin, 83-chain wheel set; 9-community, 91-passageway.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but is to be understood that protection domain of the present utility model not by the restriction of embodiment.
Clearly represent unless otherwise other, otherwise in whole specification and claims, term " comprise " or its conversion as " comprising " or " including " etc. by be understood to include the element of stating or part, and do not get rid of other element or other part.
As shown in Fig. 1 and Fig. 9, according to a kind of small plot experiment sower of the utility model embodiment, as depicted in figs. 1 and 2, it comprises: frame 1, land wheel 11, kind of a device is changed in furrow plough 12 and seeding, land wheel 11 is installed on the bottom of frame 1 by land axle 111, land axle 111 and one is installed on driving mechanism in frame (scheme depending on) and is connected, driving mechanism can be: with electromotor or diesel engine for power source, power source is connected with decelerator, decelerator is connected to drive land wheel 11 to rotate by land axle 111 with land axle 111, thus drive whole sower to walk in community 9.Several furrow ploughs 12 are arranged at the bottom of frame 1 side by side, in sower advance process, ploughed open planting tank by furrow plough on the soil of community 9.Kind of device is changed in several seedings and this several furrow ploughs 12 are arranged in frame 1 correspondingly, change kind of device by seeding seed is discharged into furrow plough 12 ploughs in the planting tank opened, thus realize automatic sowing, arrange furrow plough and seeding to change kind of device quantity and determine the line number that sower just can sow simultaneously on the soil of community 9, and seeding is changed kind of device and can also be realized from moving kind.Preferably, frame 1 is set side by side with two furrow ploughs 12 in left and right, then seeding is accordingly changed kind of device and is also two.
As shown in Figure 1 to Figure 3, seeding is changed kind of a device and is comprised: the first seed plate 2, fixed disk 3, seeding cavity 4, seeding core 44, unload kind of core 45 and retracting device, first seed plate 2 is rotatably arranged at the top of frame 1, as shown in Figure 4, this first seed plate 2 is provided with several kind sub-aperture 21 distributed along same even circumferential, plant sub-aperture 21 recessed on the first seed plate 2, it is for depositing seed, first seed plate 2 is inverted and is arranged in frame 1, to make the aperture of its kind of sub-aperture 21 downward.Can dissimilar seeds in different kind sub-aperture 21, can the diameter of kind of sub-aperture 21 be decided according to the length of community 9 and plant the degree of depth of sub-aperture 21, ensure that the seed deposited in a kind sub-aperture 21 or multiple kinds of sub-aperture 21 enough supplies the sowing length of the stroke of sower in community 9, for the seed of suitable quantity can be deposited in kind of sub-aperture 21, avoid grain weight too much, the grain weight corresponding with cell length can be measured by a graduated cylinder, then the seed after measuring is put in kind of sub-aperture 21.Preferably, the upper end-face edge of the first seed plate 2 corresponds to one of them kind sub-aperture 21 and is provided with a mark groove 22, the kind sub-aperture 21 corresponding with mark groove 22 is first kind sub-aperture, one by one kind of sub-aperture 21 is numbered with this, to distinguish and to record the type of the seed deposited in different kind sub-aperture 21.Fixed disk 3 is fixedly installed in frame 1, and it is positioned at the below of the first seed plate 2, because the first seed plate 2 is upside down in frame 1 in the mode that the aperture of kind of sub-aperture 21 is downward, it avoids the seed landing in kind of sub-aperture 21 by fixed disk 3, this fixed disk 3 is provided with a feed outlet 31 corresponding with planting sub-aperture 21, kind sub-aperture 21 on first seed plate 2 can rotate to directly over this feed outlet 31 successively, so that seed is discharged in feed outlet 31.As shown in Figure 5, the aperture, lower end of feed outlet 31 is provided with seeding switch to control the closure or openness of this feed outlet 31, preferably this seeding switch is one be arranged at the inserted sheet 32 bottom fixed disk 3 in the mode that can slide, this inserted sheet 32 is sheet tabular, it is perpendicular to feed outlet 31, and inserted sheet 32 can slip away or slide into the aperture, lower end of feed outlet 31 to open or to close feed outlet 31.Inserted sheet 32 also can be slipped away by the mode swung or be slided into aperture, the lower end place of feed outlet 31.
Seeding cavity 4 is fixedly installed in frame 1, and it is positioned at the below of fixed disk 3, as shown in Figure 6, the top of this seeding cavity 4 is provided with a seed import 41 be connected by a seeding hopper 33 with feed outlet 31, and as shown in Figure 7, the bottom of seeding cavity 4 is provided with sowing outlet 42 and unloads kind of an outlet 43, and the sowing passage 46 that sowing outlet 42 and is positioned at the rear of corresponding furrow plough 12 connects, and unloads kind of an outlet 43 and is connected with a retracting device; Preferably, retracting device is second seed plate 5 identical with the first seed plate 2 structure, this the second seed plate 5 and first seed plate 2 synchronous axial system, the aperture of the kind sub-aperture of this second seed plate 5 upward, to be unloaded kind and is provided with one between outlet 43 and the kind sub-aperture of the second seed plate 5 and unloads kind of funnel 47.Seeding core 44 is rotatably arranged in seeding cavity 4, this seeding core 44 is provided with the seed distributing groove 441 between seed import 41 and sowing outlet 42, and seed distributing groove 441 comprises that several are recessed in the same groove 442 circumferentially of seeding core 44 equably; Preferably, seeding core 4 is provided with several seed distributing grooves 441 vertically, and the quantity of groove 442 on any two seed distributing grooves 441 is different; Seeding core 44 can move to adjust any one seed distributing groove 441 between seed import 41 and sowing outlet 42 vertically.Unload kind of core 45 to be rotatably arranged at side by side in seeding cavity 4 with seeding core 44, and its with unload kind to export 43 corresponding, this unload kind of core 45 be provided with one with the inner chamber of seeding cavity 4 wide and run through that this unloads kind of core 45 unload kind of hole 451.When unload kind of core 45 unload kind of hole 451 not in the face of seeding core 44 time, seed is discharged into after in seeding cavity 4 from seed import 41, when seed only enters into the groove 442 of seed distributing groove 441, sowing outlet 42 could be dropped to off and on, and be finally discharged in the planting tank that furrow plough 12 digs by sowing passage 46, so just, seed can be made to drop in the planting tank in the soil of community 9 off and on, to form certain spacing in the rows.The quantity of the groove 442 on seed distributing groove 441 determines the size of sowing spacing in the rows, groove more than 442, then to rotate the seed that a circle discharges downwards more for seed distributing groove 441, and spacing in the rows is just less.Owing to seeding core 44 being provided with multiple seed distributing groove 441, thus can neatly as required the size of spacing in the rows corresponding seed distributing groove 441 is set between seed import 41 and sowing outlet 42, its adjustment spacing in the rows is accurately convenient.When unload kind of core 45 unload kind of hole 451 face seeding core 44 time, because the aperture of unloading kind of hole 451 is larger, the seed being positioned at seeding cavity 4 all directly drops out from unloading kind of an outlet 43 under gravity after unloading kind of hole 451, and drop in the kind sub-aperture of the second seed plate 5 correspondence, to realize the recovery of seed by unloading kind of funnel 47.
During sowing, that unloads kind of core 45 unloads kind of hole 451 not in the face of seeding core 44, and sower is walked on ground soil by land wheel 11, and furrow plough 12 has dug planting tank in advance.Open the inserted sheet 32 on fixed disk 3 simultaneously, seed enters into seeding cavity 4 from the kind sub-aperture 21 of the first seed plate 2 after feed outlet 31, seeding hopper 33 and seed import 41, all seeds just all drop and remain in seeding core 44 and unload between kind of core 45 very soon, and in seed distributing groove 441 intermittent rotary process, seed is controlled to discharge seed to sowing passage 46 off and on by groove 442, and seed finally drops in the planting tank that furrow plough 12 digs on soil off and on.From seed, be discharged to the first seed plate 2 from kind of sub-aperture 21 turn to next sub-aperture 21 of planting and be positioned at above feed outlet 31 and be one and unload and kind change kind of a cycle, unloading to plant at one changes in kind of the cycle, kind is changed again for realizing first unloading planting, before the first seed plate 2 rotates, unload kind of core 45 and first turn over 180 °, in the rotation process unloading kind of core 45, when the aperture of unloading kind of hole 451 is relative with seeding core 44, because the seed of discharging from the kind sub-aperture 21 of the first seed plate 2 drops in seeding cavity 4 completely, the seed then now remained in seeding cavity 4 unloads in kind of hole 451 by all dropping to, and be finally recovered in the kind sub-aperture of the second corresponding seed plate 5, when unloading after kind of core 45 turns over 180 °, its aperture is left no longer relative with seeding core 44 again, and its upper and lower aperture switch.Unload after kind of core 45 rotated, first seed plate 2 and the second seed plate 5 then rotate simultaneously, the next one kind sub-aperture 21 of the first seed plate 2 turns to directly over feed outlet 31, the next one kind sub-aperture of the second seed plate 5 turns to unloads immediately below kind of funnel 47, and carry out seeding, thus make one to unload kind to change kind of a cycle to complete, and directly enter the next one and unload and kind change kind of a cycle.And when the seed category of former and later two kind of sub-aperture 21 of the first seed plate 2 is different, just can realize from moving kind, and by the second seed plate 8, the seed reclaimed sequentially is separated.What the utility model can realize unloading kind and change kind synchronously carries out, and not needing to shut down process, and realizes automatic classification to the seed reclaimed, different types of seed can not being caused to mix when reclaiming.
In addition, length according to community 9 and its passageway 91 decides to need the first seed plate 2 to supply the quantity of the kind sub-aperture 21 of seed when sower is walked in a community 9, with adjust sower walk in community 9 time, what need to carry out unloads a quantity of kind to change kind of the cycle, and in the kind sub-aperture 21 of the seeds of the sowing for this community 9 on the first seed plate 2 of respective amount.When different communities 9 needs to sow dissimilar seed, according to the sequencing of walking in community 9, the seed of corresponding types is deposited in the kind sub-aperture 21 corresponding with it, when on this community 9 walked by sower, the kind sub-aperture 21 corresponding with this community 9 carries out seeding, thus certainly can move and kind sow different seeds to adapt to different communities 9.
Further, the first seed plate 2 and the second seed plate 5 change kind of transmission mechanism by one and drive and synchronously carry out intermittent rotary, and each angle of rotating is the angle between two adjacent kind sub-aperture 21, as shown in Figure 1 to Figure 3, this changes kind of a transmission mechanism and comprises: driver plate 8, change kind of sheave 6, the rotating shaft 23 of the first seed plate, the rotating shaft 51 of the second seed plate and change kind of power transmission shaft 52, first seed plate 2 to be rotatably arranged in frame 1 by the rotating shaft 23 of the first seed plate, second seed plate 5 is rotatably arranged in frame 1 by the rotating shaft 51 of the second seed plate, as shown in Figure 2, driver plate 8 is rotatably arranged in frame 1 by driver plate axle 81, driver plate axle 81 is provided with a chain wheel set be made up of the sprocket wheel of several different-diameters 83, land axle 111 is provided be connected by chain with chain wheel set 83 change kind of sprocket wheel 112, driver plate 8 is driven to rotate when rotating to make land axle 111, as depicted in figs. 1 and 2, changing kind of sheave 6 is rotatably arranged in frame 1 by the rotating shaft 61 of changing kind of sheave, and change kind of sheave 6 and be positioned at and the lateral surface of driver plate 8 changes position corresponding to kind of straight pin 82, when driver plate 9 rotates, change kind of sheave 6 intermittent rotary by changing kind of straight pin 82 driving.As shown in Figures 2 and 3, the rotating shaft 61 of changing kind of sheave is connected by the lower end of bevel gear with the rotating shaft 23 of the first seed plate, the lower end of the rotating shaft 51 of the second seed plate is connected by bevel gear with the one end changing kind of power transmission shaft 52, the other end changing kind of power transmission shaft 52 is connected with the rotating shaft 23 of the first seed plate by bevel gear, the rotating shaft 61 of changing kind of sheave drives rotating shaft 23 intermittent rotary of the first seed plate, thus drive the first seed plate 2 and the second seed plate 5 synchronously to carry out intermittent rotary, the angle of intermittent rotary is decided according to the quantity of the kind sub-aperture 21 on the first seed plate 2, when the quantity of kind of sub-aperture 21 is n, the angle that first seed plate 2 and the second seed plate 5 once turn over is 360 °/n.Due to the first seed plate 2 and the second seed plate 5 synchronous axial system, the type of the seed that the various sub-aperture of the second seed plate 5 are reclaimed is consistent with the type that each kind of sub-aperture 21 of the first corresponding seed plate 2 is deposited, and these two seed plates can change use, be directly used in sow next time to facilitate the seed to reclaiming.In addition, when change have different plant the first seed plate 2 and second seed plate 5 of the quantity of sub-aperture 21 time, by change corresponding change kind of sheave 6 can spirit suitable adjust the angle that the first seed plate 2 and the second seed plate 5 turn over each time.Preferably, unload kind of core 45 and unload kind of a transmission mechanism drive intermittent rotary by one, and each angle of rotating is 180 °; As shown in Figure 2, unloading kind of core 45 is rotatably arranged in frame 1 by the rotating shaft 452 of unloading kind of core, unload kind of transmission mechanism comprise one with on the medial surface being arranged at driver plate 8 unload kind of a straight pin (scheme depending on) corresponding unload kind of sheave 7, driver plate 8 drives and unloads kind of sheave 7 by unloading kind of straight pin and do intermittent movement, the rotating shaft 71 of unloading kind of sheave is provided with and unloads kind of sprocket wheel 72, the rotating shaft 452 of unloading kind of core is provided with unload that kind of sprocket wheel is connected by chain unload kind of a core sprocket wheel 453.Unload kind of sheave 7 to drive and unload kind of core 4 and the first seed plate 2 does intermittent movement accordingly, and the angle at every turn turned over is 180 °.
Driver plate 8 often rotates and unloads kind change kind of a cycle once having enclosed one, and before one-period completes, driver plate 8 first controls to unload kind of sheave 7 and rotates to make to unload kind of core 45 and rotate, to realize unloading kind, control again to change the rotation that kind of sheave 6 rotates to make the first seed plate 2 and the second seed plate 5, to realize changing kind, thus complete one and unload and kind change kind of a cycle, and unload the object of kind to change in kind of the cycle and realizing first unloading and kind to change again kind.In addition, according to the length in the passageway 91 between the community 9 of required sowing and community, the sprocket wheel of the different-diameter in adjustment chain wheel set 83 with change kind of sprocket wheel 112 and be connected, the first seed plate 2, second seed plate 8 can be controlled and unload cycle of kind of core 45 intermittent rotary, thus sower can be realized when completing a stroke in community 9, the seed of the kind sub-aperture 21 of kind sub-aperture 21, Shi Yugai community 9 correspondence of one or more correspondence that just automatically switches all is broadcast or is reclaimed.The seed needed when sowing according to each community 9 is sequentially deposited in the kind sub-aperture 21 of the first seed plate 2 accordingly, when behind sowing Wan Yige community 9, the kind sub-aperture 21 corresponding with this community 9 also drained seed, when sower enters next community 9, the kind sub-aperture 21 corresponding with next community 9 just starts seeding, automatically can adapt to the object sowing dissimilar seed on different communities 9 neatly.When not needing sowing, closing feed outlet 31 by inserted sheet 32 can avoid seed to continue to fall down, also the first seed plate 2 and the second seed plate 5 can directly be unloaded, when sower reaches the position corresponding with community 9, and need sowing time be loaded on the first seed plate 2 and the second seed plate 5, thus realize sowing with walk synchronous.
Further, as shown in Figure 2, the seeding core 44 that kind of device is changed in each seeding is all positioned in same seeding core rotating shaft 443, this seeding core rotating shaft 443 is provided with a seeding core sprocket wheel 444, land axle 111 is provided with a sowing sprocket wheel 113 be connected with seeding core sprocket wheel 444 by chain, land axle 111 drives seeding core 44 to rotate by Chain conveyer, thus realize the object of walking limit, limit sowing, when sower stops walking, seeding core 44 stops operating simultaneously, just sowing is stopped, when sower continues to open, seeding core 44 rotates again, just sowing is continued, thus realize sowing with walk synchronous, guarantee the uniformity of spacing in the rows and sowing.
The utility model can automatically switch different cultivars crop seeds and adjustment spacing in the rows, to adapt to sow different types of seed on different communities 9, and adjust the suitable time of changing kind according to the length-flexible of community 9, change kind of the rear seed automatic classification reclaimed, can not mix, its structure is simple, and flexible operation, manufacturing cost is lower.
The aforementioned description to concrete exemplary of the present utility model is to illustrate and the object of illustration.These descriptions not want the utility model to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.The object selected exemplary embodiment and describe is to explain certain principles of the present utility model and practical application thereof, thus those skilled in the art can be realized and utilize various different exemplary of the present utility model and various different selection and change.Scope of the present utility model is intended to limited by claims and equivalents thereof.
Claims (8)
1. a small plot experiment sower, is characterized in that, comprising:
Frame;
Land wheel, it is installed in described frame by the land axle that is connected with driving mechanism;
Furrow plough, several these furrow ploughs are arranged at the bottom of described frame side by side; And
Kind of a device is changed in seeding, and described frame is provided with several these corresponding with several furrow ploughs described respectively seedings and changes kind of a device, this seeding is changed kind of a device and comprised:
First seed plate, it is provided with several circumferentially equally distributed kind of sub-aperture, and this first seed plate is rotatably arranged in described frame, and the aperture of described kind of sub-aperture is downward;
Fixed disk, it is arranged in described frame, and it is positioned at the below of described first seed plate, and it is corresponding with the kind sub-aperture of described first seed plate and by the feed outlet of seeding switch control rule opening and closing that this fixed disk is provided with a upper end;
Seeding cavity, it is arranged in described frame, this seeding cavity is positioned at the below of described fixed disk, the top of this seeding cavity is provided with a seed import be connected by a seeding hopper with described feed outlet, and be provided with sowing outlet bottom it and unload kind of an outlet, described sowing outlet to be positioned at the sowing expanding channels at the rear of corresponding described furrow plough with one, described in unload kind of an outlet and be connected with a retracting device;
Seeding core, it is rotatably arranged in described seeding cavity, and this seeding core is provided with the seed distributing groove between described seed import and sowing export, and described seed distributing groove comprises that several are recessed in the same groove circumferentially of this seeding core equably; And
Unload kind of a core, it is rotatably arranged in described seeding cavity side by side with described seeding core, and it kind to export corresponding with described unloading, and this unloads kind of a core and is provided with one and unloads kind of a hole.
2. small plot experiment sower according to claim 1, is characterized in that, described seeding core is provided with seed distributing groove described in several vertically, and the quantity of the described groove on any two described seed distributing grooves is different; This seeding core can move to adjust seed distributing groove described in any one between described seed import and described sowing export vertically.
3. small plot experiment sower according to claim 1, is characterized in that, described seeding switch is an inserted sheet being arranged at the lower end of the feed outlet of described fixed disk in the mode that can slide.
4. small plot experiment sower according to claim 1, it is characterized in that, described retracting device is second seed plate identical with described first seed plate structure, kind of a below for outlet is unloaded described in this second seed plate is rotatably arranged at, the aperture of the kind sub-aperture of this second seed plate upward, and described in unload kind and be provided with one between the below of outlet and the kind sub-aperture of this second seed plate and unload kind of a funnel.
5. small plot experiment sower according to claim 4, it is characterized in that, described first seed plate and described second seed plate change kind of transmission mechanism by one and drive and synchronously carry out intermittent rotary, and each angle of rotating is the angle between two adjacent described kind of sub-aperture; This changes kind of transmission mechanism and comprises: one is rotatably arranged at the driver plate in described frame by driver plate axle, described driver plate axle is provided with a chain wheel set be made up of the sprocket wheel of several different-diameters, described land axle is provided be connected by chain with described chain wheel set change kind of a sprocket wheel;
One with on the lateral surface being arranged at described driver plate change kind of straight pin corresponding change kind of a sheave, described rotating shaft of changing kind of sheave is connected by the lower end of bevel gear with the rotating shaft of described first seed plate, one end that kind of power transmission shaft is changed in the lower end and of the rotating shaft of described second seed plate is connected by bevel gear, described in change kind of power transmission shaft the other end be connected by the rotating shaft of bevel gear with described first seed plate.
6. small plot experiment sower according to claim 5, is characterized in that, described in unload kind of core rotating shaft unload kind of transmission mechanism by one and drive and rotate, each angle of rotating is 180 °; Described unload kind of transmission mechanism comprise one with on the medial surface being arranged at described driver plate unload kind of straight pin corresponding unload kind of a sheave, this rotating shaft of unloading kind of sheave is connected with described rotating shaft of unloading kind of core by Chain conveyer.
7. small plot experiment sower according to claim 5, is characterized in that, seeding core described in several is all positioned in the rotating shaft of same seeding core, and this seeding core rotating shaft is connected with described land axle by Chain conveyer.
8. the small plot experiment sower according to any one of claim 1-7, is characterized in that, the bottom of described frame is set side by side with two described furrow ploughs, and described frame corresponds to these two furrow ploughs is respectively arranged with two described seedings and changes kind of a device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420616908.0U CN204119784U (en) | 2014-10-23 | 2014-10-23 | Small plot experiment sower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420616908.0U CN204119784U (en) | 2014-10-23 | 2014-10-23 | Small plot experiment sower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204119784U true CN204119784U (en) | 2015-01-28 |
Family
ID=52376187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420616908.0U Withdrawn - After Issue CN204119784U (en) | 2014-10-23 | 2014-10-23 | Small plot experiment sower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204119784U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104285561A (en) * | 2014-10-23 | 2015-01-21 | 广西壮族自治区农业科学院玉米研究所 | Plot experiment seeding machine |
-
2014
- 2014-10-23 CN CN201420616908.0U patent/CN204119784U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104285561A (en) * | 2014-10-23 | 2015-01-21 | 广西壮族自治区农业科学院玉米研究所 | Plot experiment seeding machine |
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