CN108886924B - Yam Bean Planter - Google Patents

Abstract

The invention provides a Chinese yam bean seeder, which comprises a fertilizing device, a seeding device, a drip tape laying device and a film covering device, wherein the seeding device comprises a seeding device, the seeding device firstly separates Chinese yam beans through a seed storage component and a seed storage hole, then discharges the Chinese yam beans through the seed storage component, ensures accurate output of the single Chinese yam beans, reduces damage to the Chinese yam beans, ensures the germination rate of seedlings, and simultaneously realizes mechanized operation of Chinese yam bean seeding by the integrated design, reduces the rolling times to the land, can greatly improve the seeding efficiency, saves labor cost and simultaneously releases a large amount of labor force.

Description

Yam Bean Planter

technical field

The invention belongs to the technical field of sowing, and in particular relates to a yam bean seeding machine.

Background technique

my country is a big consumer of yams, but yams are mainly planted artificially, which is time-consuming and laborious, and the production efficiency is low. The level of agricultural machinery in our country is constantly improving, but the key technologies for the mechanization of yam and bean planting are not perfect. The overall mechanization degree of yam is low.

At present, my country is still in a relatively backward state in the development of yam bean seeding machines. The mechanization level of yam bean planting is not high. The demand for yam is increasing day by day, and it is urgent to realize an efficient planting mode. Many yam bean growers choose to breed by themselves, and yam beans are one of the main sources of yam seeds. However, yam beans are brittle and vary in size and shape, requiring precise seeding. Traditional planters use mechanized planting yam beans to cause multi-sowing, missed sowing, and damage to yam beans. Based on comprehensive considerations, it is extremely important to develop a seeder that can effectively solve the problem of precise sowing of yam beans, and is economical and suitable for farmers.

In view of this, it is necessary to provide a yam bean planter, which can accurately output single yam beans, reduce damage to yam beans and operate with high efficiency.

Contents of the invention

Aiming at the above technical problems, the present invention proposes a yam bean planter capable of accurately outputting a single yam bean, reducing damage to the yam bean and operating with high efficiency.

In order to achieve the above object, the technical scheme adopted in the present invention is:

A yam seeding machine, including a three -point suspension device and rack, which is connected to the fixed connection of the rack, which also includes the transmission device and the type of type, which includes the transmission device, the active axis of the ground wheel, and the sector; The fixed connection, the type of the row rotating from the axis and the rack, the active shaft of the ground wheel is connected with the split shaft through the sprocket and chain;

The seed metering device includes a seed box and a seed meter, the seed box is fixedly connected to the frame, and the seed box is provided with a seed outlet;

The seed metering device includes a housing and a seed disc, the housing is fixedly connected to the frame, the housing includes a first housing and a second housing, the first housing is fixedly connected to the second housing, the seed disc is arranged between the first housing and the second housing, the seed disc, the first housing and the second housing are coaxially arranged, the first housing is provided with a seed inlet, the seed inlet is connected to the seed outlet through a pipeline, the second housing is provided with a seed discharge port, and the seed disc is provided with a rotating shaft for driving the seed disc to rotate. The rotating shaft is connected to drive the rotating shaft to rotate, and the seed disc also includes a seed storage hole;

A seed storage assembly is provided on the side of the seed tray opposite to the first housing, and the seed storage assembly is arranged correspondingly to the seed storage hole;

The side of the seed disc relative to the second housing is provided with a seed arrangement, the seed arrangement is arranged correspondingly to the seed storage hole, and the seed arrangement is movably connected with the seed tray for reciprocating movement of opening and closing the seed storage hole, and the second housing is provided with a toggle, and the toggle is intermittently offset against the seed arrangement to intermittently open the seed storage hole.

Preferably, the seed disk is arranged vertically to the rotating shaft, and the axial direction of the rotating shaft is inclined downward relative to the horizontal plane. The seed storage assembly is a first seed storage part, and the first seed storage part protrudes from the side of the seed disk relative to the first housing.

Preferably, the seed storage assembly is movably connected with the seed plate for reciprocating movement of opening and closing the seed storage hole. The first housing is provided with a protrusion, and the protrusion is intermittently offset against the seed storage assembly to open the seed storage hole intermittently. The seed storage assembly also includes a second seed storage part and a seed storage reset part. connect.

Preferably, the seed-discharging assembly includes a seed-discharging member and a seed-discharging reset member, the seed-discharging member is rotatably connected to the seed plate, the side of the seed-discharging member away from the seed storage hole is intermittently offset against the toggle member, and the seed-discharging reset member is respectively connected to the seed-discharging member and the seed disc.

Preferably, there are a plurality of the seed storage holes, the seed storage components and the seed arrangement components, and the seed storage holes, the seed storage components and the seed arrangement components are evenly arranged along the circumference of the seed disk.

As a preference, a seeding ditch opener and a soil scraper for filling yam beans and leveling the land are sequentially arranged below the seed metering device along the backward direction of the yam bean seeder, and the seed row opener and the scraper are fixedly connected to the frame respectively.

Preferably, the yam bean planter further includes a fertilization device, the fertilization device is fixedly connected to the frame, the fertilization device is arranged between the three-point suspension device and the seeding device, the fertilization device includes a fertilizer box and a fertilizer applicator, the fertilizer box includes a fertilizer outlet, the fertilizer applicator includes a fertilizer inlet and a fertilizer discharge port, the fertilizer inlet is connected to the fertilizer inlet, a fertilization ditch is arranged below the fertilization device, and the fertilization ditch is fixedly connected with the frame. Fertilizer driven shaft, the fertilization driven shaft is connected with the ground wheel driving shaft through a sprocket and a chain transmission, and the fertilization driven shaft is connected with the fertilizer to drive the fertilizer to discharge fertilizer.

Preferably, the yam bean planter further includes a film covering device, the film covering device includes a film coating opener, a fixed film shaft for positioning the plastic film reel, a film pressing wheel, a soil covering roller, and a soil gathering plate, and the film covering opener, the film fixing shaft, the film pressing wheel, the soil covering roller, and the soil gathering plate are fixedly connected to the frame in turn along the direction of the yam bean planter retreating.

Preferably, the yam bean planter also includes a drip irrigation tape laying device, the drip irrigation tape laying device is arranged above the film covering device and fixedly connected with the frame, the drip irrigation tape laying device includes a drip irrigation tape laying wheel, a drip irrigation tape laying shaft and a drip irrigation tape laying support, the drip irrigation tape laying wheel is arranged at both ends of the drip irrigation tape laying shaft, the drip irrigation tape laying wheel is connected with the drip irrigation tape laying shaft, and the drip irrigation tape laying shaft is movable with the drip irrigation tape laying support Connect, the drip irrigation tape laying bracket is fixedly connected with the support, the drip irrigation tape laying device also includes a drip irrigation frame for expanding the drip irrigation tape, the drip irrigation frame is arranged on the side of the fixed film shaft close to the three-point suspension device, and the drip irrigation frame is fixedly connected with the frame.

Preferably, a seed blocking piece is provided on the lower part of the first housing relative to the side of the seed plate, the protrusion is an arc structure, the arc structure opens upward, and the central angle corresponding to the seed blocking piece relative to the first housing is greater than or equal to the central angle corresponding to the arc structure.

Advantage and positive effect of the present invention are:

1. The yam bean planter of the present invention first separates the single yam beans through the seed storage assembly and the seed storage hole, and then discharges the yam beans through the seed arrangement assembly to ensure accurate output of single yam beans while reducing damage to the yam beans and ensuring the germination rate of seedlings;

2. In the yam bean planter of the present invention, a plurality of seed metering devices can be installed on one planter at one time, so as to realize efficient planting and greatly save time and labor costs;

3. In the yam bean planter of the present invention, one side of the seed blocking sheet is also provided with a seed cleaning brush to ensure that when the yam beans rotate from below the seed blocking sheet to above the seed blocking sheet, there is only one yam bean in the seed storage hole.

4. The yam bean planter of the present invention integrates the fertilization device, the seeding device, the drip irrigation belt laying device and the film covering device into one body, realizes the mechanized operation of yam bean sowing, reduces the number of times of rolling the land, can greatly improve the seeding efficiency, save labor costs, and release a large amount of labor at the same time.

Description of drawings

Fig. 1 is the structural representation of yam bean planter of the present invention;

Fig. 2 is the structural representation of fertilization device and seeding device of the present invention;

Fig. 3 is another schematic structural view of the fertilization device and the seed metering device of the present invention;

Fig. 4 is a schematic structural view of the first housing of the present invention;

Fig. 5 is the structural representation of transmission device of the present invention;

6 is a schematic structural view of a seed metering device according to an embodiment of the present invention;

Fig. 7 is a schematic exploded view of the seed metering device according to Embodiment 1 of the present invention;

Fig. 8 is another exploded schematic diagram of the seed metering device according to Embodiment 1 of the present invention;

Fig. 9 is a schematic cross-sectional view of the seed metering device according to Embodiment 1 of the present invention;

FIG. 10 is a schematic structural diagram of a disc according to an embodiment of the present invention;

FIG. 11 is another structural schematic diagram of a disk according to an embodiment of the present invention;

Fig. 12 is a schematic structural view of a seed metering device according to Embodiment 2 of the present invention;

Fig. 13 is an explosion schematic diagram of the seed metering device according to the second embodiment of the present invention;

Fig. 14 is another exploded schematic diagram of the seed metering device according to the second embodiment of the present invention;

Fig. 15 is a schematic cross-sectional view of the seed metering device according to Embodiment 2 of the present invention;

Fig. 16 is a schematic structural diagram of two disks according to the embodiment of the present invention;

Fig. 17 is another structural schematic diagram of the seed tray described in Embodiment 2 of the present invention;

Among the figure: 1, seed metering device; 10, seed metering device; 11, first housing; 111, seed inlet; 112, seed blocker; 12, second housing; 121, seed metering port; 122, cam; 13, seed disc; 131, rotating shaft; 33. Seed storage rotating shaft; 134. Seed metering assembly; 1341. Seed metering piece; 1342. Seed metering reset member; 1343. Seed metering pin; 14. Seed box; 141. Seed outlet; ;5, fertilization device; 51, fertilizer box; 511, fertilizer outlet; 52, fertilizer applicator; 53, fertilization ditch opener; 6, drip irrigation belt laying device; 61, drip irrigation belt laying wheel; 62, drip irrigation belt laying shaft; 63, drip irrigation belt laying support; , Gathering plate.

Detailed ways

In the following, the present invention will be specifically described through exemplary embodiments. It should be understood, however, that elements, structures and characteristics of one embodiment may be beneficially incorporated in other embodiments without further recitation.

In the description of the present invention, it should be explained that the direction of the circle is Zhou direction, and the direction of the radius is the axial direction; the axis direction of the breeding plate is axis, the term or position of the terms of the terms "inner", "outer", "up", "lower", "front", "back" is based on the position relationship shown in the attached figures. The device or component referred to must have a specific orientation, constructing and operating in a specific orientation, so it cannot be understood as a limit on the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.

As shown in Fig. 1 to Fig. 11, a kind of yam bean planter comprises three-point suspension device 3 and frame 2, and described three-point suspension device 3 is fixedly connected with described frame 2, and described yam bean planter also comprises transmission device 4 and seeding device 1, and described transmission device 4 comprises ground wheel 41, ground wheel driving shaft 42 and seeding driven shaft 43; 3. It is rotationally connected with the frame 2, and the ground wheel driving shaft 42 is connected with the seed row driven shaft 43 through a sprocket and a chain transmission;

The seed metering device 1 includes a seed box 14 and a seed meter 10, the seed box 14 is arranged above the seed meter 10, the seed box 14 is fixedly connected to the frame 2, and the seed box 14 is provided with a seed outlet 141;

The seed metering device 10 includes a housing and a seed disc 13, the housing is fixedly connected to the frame 2, the housing includes a first housing 11 and a second housing 12, the first housing 11 is fixedly connected to the second housing 12, the seed disc 13 is arranged between the first housing 11 and the second housing 12, the seed disc 13, the first housing 11 and the second housing 12 are coaxially arranged, the first housing 11 is provided with a seed inlet 111, the seed inlet 111 and the seed outlet 141 Connected by pipelines, the second housing 12 is provided with a seed discharge port 121, the seed disc 13 is provided with a rotating shaft 131 for driving the seed disc 13 to rotate, the seed discharge driven shaft 43 is connected with the rotating shaft 131 through a universal joint to drive the rotating shaft 131 to rotate, and the seed disc 13 also includes a seed storage hole 132;

The side of the seed tray 13 opposite to the first casing 11 is provided with a seed storage assembly 133, the seed storage assembly 133 is arranged correspondingly to the seed storage hole 132, the seed tray 13 is vertically arranged to the rotating shaft 131, and the axial direction of the rotating shaft 131 is inclined downward relative to the horizontal plane, and the seed storage assembly 133 is a first seed storage part 13311, and the first seed storage part 13311 protrudes from the side of the seed tray 13 relative to the first housing 11. The seed storage part 13311 is correspondingly arranged at the outer edge of the seed storage hole 132, and the seed storage part is an "L" shaped structure to stop the seeds from being stored in the seed storage hole 132 and prevent the seeds from sliding down due to gravity;

The side of the seed disk 13 relative to the second housing 12 is provided with a seed arrangement 134, the seed arrangement 134 is arranged correspondingly to the seed storage hole 132, the seed arrangement 134 is movably connected with the seed tray 13 to perform a reciprocating movement of opening and closing the seed storage hole 132, the second housing 12 is provided with a toggle member, and the toggle member is configured as a cam 122, the convex portion of the cam 122 faces upward, and the cam 122 and the seed arrangement 1 34 intermittent offset, to intermittently open the seed hole 132, the seed discharge port 121 is arranged on the top of the cam 122, so that the cam 122 will discharge the seeds after opening the seed hole 132.

As shown in Figures 8 and 11, the seed arrangement 134 includes a seed arrangement 1341 and a seed reset member 1342. The seed arrangement 1341 is rotatably connected to the seed disk 13. The side of the seed arrangement 1341 away from the seed storage hole 132 is intermittently offset against the cam 122. The seed arrangement reset member 1342 is respectively connected to the seed arrangement 1341 and the seed tray 13. The seed arrangement reset member 1342 is set as a tension force. Spring, so that after the seed storage hole 132 is opened, the seed discharge member 1341 is pulled back by the tension spring to close the storage hole 132. The seed discharge assembly 134 also includes a seed discharge pin 1343, which is fixedly connected to the seed disk 13. The seed discharge pin 1343 is arranged parallel to the axial direction of the seed disk 13. 1333 axis rotation.

Wherein, the seed storage hole 132, the seed storage assembly 133, and the seed arrangement assembly 134 are uniformly arranged along the circumference of the seed disk 13, and there are multiple seed storage holes 132, the seed storage assembly 133, and the seed arrangement assembly 134, so as to reduce the number of tumbling times of the yam beans, thereby reducing the damage to the yam beans, and improving the germination rate.

As shown in Figure 8 and Figure 9, the bottom of the first housing 11 is provided with a seed blocking sheet 112 relative to the side of the seed tray 13, and the seed inlet 111 is arranged below the seed blocking sheet 112, so that the seeds enter the seed meter 10 from the seed inlet 111 and concentrate below the seed blocking sheet 112, and one side of the seed blocking sheet 112 is also provided with a seed cleaning brush to ensure that the seeds are rotated from below the seed blocking sheet 112 to above the seed blocking sheet 112. In the seed storage hole 132, there is only one seed.

As shown in Figure 5 , the seeding device 1 below is provided with a seeding ditch opener 15 and a soil scraper 16 for filling yam beans and leveling land successively along the backward direction of the yam bean seeder.

The yam bean planter of the present invention firstly separates the single yam beans through the seed storage assembly 133 and the seed storage hole 132, and then discharges the yam beans through the seed discharge assembly 134 to ensure accurate output of single yam beans while reducing damage to the yam beans and ensuring the germination rate of the seedlings; wherein, a single seeder can be installed with multiple seed meters 10 at one time to achieve efficient planting, greatly saving time and labor costs;

As shown in Figure 2 and Figure 3, the yam sowing machine also includes fertilization device 5, which is fixed with the fertilization device 5 with the frame 2, which is set up between the three -point suspension device 3 and the seeding device 1. 2. The fertilizer is the existing technology, and the application documents are no longer redundant). The fertilizer 51 includes the fertilizer 511. The fixed connection, the transmission device 4 also includes fertilizer from the axle 44. The fertilizer is connected from the sprocket and the chain transmission from the axis 44 of the axle 44.

As shown in Figure 5, described yam bean planter also comprises laminating device 7, and described laminating device 7 comprises laminating ditch opener 71, fixed film shaft 72 for positioning plastic film reel, pressing film wheel 73, soil-covering cylinder 74 and gathering soil plate 75, described film-covering ditcher 71, described film-fixing shaft 72, described film-pressing wheel 73, described soil-covering cylinder 74 and described soil-gathering plate 75 are fixedly connected with described frame 2 successively along the direction that described yam bean planter retreats, An opening is arranged in the middle of the described soil-covering drum 74, which can press a small amount of soil in the middle of the mulch film to prevent the mulch film from being blown up by strong winds.

Continue to refer to Fig. 5, described yam bean planter also comprises drip irrigation tape laying device 6, and described drip irrigation tape laying device 6 is arranged on the top of described coating device 7 and is fixedly connected with described frame 2, and described drip irrigation tape laying device 6 comprises drip irrigation tape laying wheel 61, drip irrigation tape laying shaft 62 and drip irrigation tape laying support 63, and described drip irrigation tape laying wheel 61 is arranged on the two ends of described drip irrigation tape laying shaft 62, and described drip irrigation tape laying wheel 61 and described drip irrigation tape laying Set the shaft 62 to connect, the drip irrigation tape laying shaft 62 is movably connected with the drip irrigation tape laying support 63, the drip irrigation tape laying support 63 is fixedly connected with the support, and the drip irrigation tape laying device 6 also includes an exhibition drip irrigation frame 64 for expanding the drip irrigation tape. Then make the drip tape laying with the plastic film underneath.

The yam bean planter of the present invention integrates the fertilization device 5, the seeding device 1, the drip irrigation belt laying device 6 and the film covering device 7 into one body, realizes the mechanized operation of yam bean sowing, reduces the number of times of rolling the land, can greatly improve the sowing efficiency, save labor costs, and release a large amount of labor at the same time.

Embodiment two

The difference between this embodiment and the above-mentioned embodiment is that the partial structure of the seed metering device 10 is different:

As shown in Figures 12 to 17, the seed metering device 10 includes a seed disc 13, a first housing 11, and a second housing 12. The first housing 11 is provided with a seed inlet 111, and the second housing 12 is provided with a seed discharge port 121. The first housing 11 is fixedly connected to the second housing 12. The seed disc 13 is arranged between the first housing 11 and the second housing 12. The seed disc 13, the first housing 11 and the second housing 12 are arranged coaxially. The rotating shaft 131 that the seed disc 13 rotates, the seed disc 13 also includes a seed storage hole 132, the middle of the seed storage hole 132 is a cylindrical structure, and the two ends are a truncated cone structure, wherein the thickness of the seed disc 13 is greater than the thickness of the yam beans, and the thickness of the cylindrical structure in the middle of the seed storage hole 132 is less than the thickness of the yam beans, so that the yam beans can slide through the truncated cone structure;

The seed tray 13 is provided with a seed storage assembly 133 on one side relative to the first casing 11. The seed storage assembly 133 is arranged correspondingly to the seed storage hole 132. The seed storage assembly 133 is movably connected with the seed tray 13 to perform a reciprocating movement of opening and closing the seed storage hole 132. The first housing 11 is provided with a protrusion, the protrusion is an arc structure, and the arc structure opens upward. The seed hole 132, the seed inlet 111 is arranged at the bottom of the first housing 11, so that the yam beans slide down to the seed metering device 10 due to gravity, and the arc-shaped structure opens the seed storage hole 132 and stores the yam beans in the seed storage hole 132;

As shown in Figures 13 and 16, the seed storage assembly 133 includes a second seed storage part 13312 and a seed storage reset part 1332, the second seed storage part 13312 is rotationally connected with the seed 13 disk, the side of the second seed storage part 13312 facing away from the seed storage hole 132 is intermittently offset against the arc structure, the seed storage reset part 1332 is connected with the second seed storage part 13312 and the seed disk 13 respectively, and the seed storage reset part 13 32 is set as a tension spring, so that after the storage hole 132 is opened, the second storage part 13312 is pulled back by the tension spring to close the storage hole 132. The storage assembly 133 also includes a storage rotation shaft 1333, which is fixedly connected to the seed disk 13. The storage rotation shaft 1333 is vertically arranged relative to the axial direction of the seed disk 13. It is movably connected to rotate around the axis of the seed storage rotating shaft 1333 .

The center position of the seed disk 13 relative to the first housing 11 side is provided with a cylindrical groove, and the seed storage rotating shaft 1333 is evenly distributed on the radially outside of the cylindrical groove along the circumferential direction. The center position of the first housing 11 relative to the seed disk 13 is provided with a cylindrical protrusion. The side of 13312 away from the seed storage hole 132 intermittently abuts against the arc structure.

As shown in Figure 14 and Figure 15, the lower part of the first housing 11 is provided with a seed blocking sheet 112 relative to the side of the seed disc 13, and the seed inlet 111 is arranged below the seed blocking sheet 112, so that the yam beans enter the seed metering device 10 from the seed inlet 111 and then gather under the seed blocking sheet 112, and the central angle of the seed blocking sheet 112 relative to the first housing 11 is greater than or equal to the central angle corresponding to the arc structure, so that the stored seeds When the hole 132 rotates to the bottom of the seed blocking piece 112, the arc-shaped structure squeezes the seed storage piece and then opens the corresponding second seed storage hole 132. A seed cleaning brush is also provided on one side of the seed blocking piece 112 to ensure that when the yam beans are rotated from below the seed blocking piece 112 to above the seed blocking piece 112, there is only one yam bean in the seed storage hole 132.

The following briefly describes the working process of the seeder:

The three-point suspension device 3 is connected with the tractor, drives the ground wheel 41 to rotate, and then drives the outer groove wheel of the fertilizer 52 to rotate through the sprocket wheel and chain through the ground wheel drive shaft 42 to fertilize. , in the seeding process, ditching is carried out on the ground by the seeding ditch opener 15; when the drip irrigation tape laying device 6 is working, the drip irrigation tape is wrapped around the drip irrigation tape laying shaft 62, and the drip irrigation tape is fixed at the beginning, and the yam bean planter moves now. When the film covering device 7 is working, the film opener is used to open the trench, and the plastic film is fixed on the fixed film shaft 72. The yam bean planter moves and the plastic film reel rotates under the action of tension. The film pressing wheel 73 presses the plastic film close to the ground, and the plastic film is covered. Compaction, when the soil-covering roller 74 rolls, the soil is covered on the plastic film. Since the drip irrigation frame 64 is arranged on the side of the film-fixing shaft 72 close to the three-point suspension device 3, the drip irrigation tape is first laid on the ground and then covered with a film, so that the drip irrigation tape is laid under the plastic film.

Wherein, the working process of the seed metering device 10 of embodiment one is as follows:

The yam beans slide down through the seed inlet 111 to between the first housing 11 and the seed plate 13 due to gravity, and are concentrated under the seed block 112. The rotating shaft 131 is subjected to an external force to drive the seed plate 13 to rotate. At this time, the seeds are stored in the seed storage hole 132 due to gravity and extrusion. When the corresponding seed storage hole 132 rotates directly above the cam 122, the protruding part of the cam 122 moves the seed metering member 1341, and the seed storage hole 132 is opened at this time, and the seeds slide out of the seed storage hole 132 due to the frustum-shaped structure of the seed storage hole 132, and finally pass through the seed discharge port 121 and then slide out of the seed metering device 10.

The working process of the seed meter 10 of embodiment two is as follows:

The yam beans slide down through the seed inlet 111 between the first housing 11 and the seed plate 13 due to gravity and are concentrated under the seed block 112. The rotating shaft 131 is subjected to external force to drive the seed plate 13 to rotate. When above, the described seed storage part closes the described seed storage hole 132 due to the effect of the tension spring. When the corresponding said storage hole 132 rotates to the top of the cam 122, the protruding part of the cam 122 stirs the said sorting part 1341. At this moment, the described seed storage hole 132 is opened, and the yam beans slide out from the described seed storage hole 132 due to the frustum-shaped structure of the described seed storage hole 132, and finally pass through the seed discharge port 121 and then from the seed meter 10 slipped out.

The above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; wherein, the size of the seed storage hole 132 can be designed according to the quantity and type of yam beans to be planted. Although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that it can still modify the technical solutions described in the foregoing embodiments, or carry out equivalent replacements to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims (8)

1. The utility model provides a chinese yam beans seeder, includes three-point linkage and frame, three-point linkage with frame fixed connection, its characterized in that: the Chinese yam bean seeder also comprises a transmission device and a seed sowing device, wherein the transmission device comprises a land wheel, a land wheel driving shaft and a seed sowing driven shaft; the ground wheel driving shaft is rotationally connected with the frame, the ground wheel driving shaft is fixedly connected with the ground wheel, the seed sowing driven shaft is rotationally connected with the frame, and the ground wheel driving shaft is in transmission connection with the seed sowing driven shaft through a chain wheel and a chain;

the seed metering device comprises a seed box and a seed metering device, the seed box is fixedly connected with the rack, and the seed box is provided with a seed outlet;

the seed metering device comprises a shell and a seed tray, wherein the shell is fixedly connected with the frame, the shell comprises a first shell and a second shell, the first shell is fixedly connected with the second shell, the seed tray is arranged between the first shell and the second shell, the seed tray, the first shell and the second shell are coaxially arranged, the first shell is provided with a seed inlet, the seed inlet is connected with a seed outlet through a pipeline, the second shell is provided with a seed outlet, the seed tray is provided with a rotating shaft for driving the seed tray to rotate, a seed discharging driven shaft is connected with the rotating shaft so as to drive the rotating shaft to rotate, and the seed tray further comprises a seed storage hole; the middle of the seed storage hole is of a cylindrical structure, and two ends of the seed storage hole are of a frustum-shaped structure; the thickness of the seed tray is larger than that of the yam beans, and the thickness of the cylindrical structure in the middle of the seed storage hole is smaller than that of the yam beans;

a seed storage component is arranged at one side of the seed tray opposite to the first shell, and the seed storage component is arranged corresponding to the seed storage hole;

the seed storage assembly is movably connected with the seed tray so as to perform reciprocating motion of opening and closing the seed storage hole, the first shell is provided with a bulge, the bulge is intermittently abutted against the seed storage assembly so as to intermittently open the seed storage hole, the seed storage assembly comprises a second seed storage piece and a seed storage reset piece, the second seed storage piece is rotationally connected with the seed tray, one side of the second seed storage piece, which is away from the seed storage hole, is intermittently abutted against the bulge, and the seed storage reset piece is respectively connected with the second seed storage piece and the seed tray;

the seed tray is provided with seed metering subassembly for one side of second casing, seed metering subassembly with seed storage hole corresponds the setting, seed metering subassembly with seed tray movable connection is in order to do the switching seed storage hole's reciprocating motion, the second casing is provided with the piece of stirring, stir the piece with seed metering subassembly intermittent type offsets, in order to intermittently open the seed storage hole.

2. The yam bean planter as claimed in claim 1, wherein: the seed metering subassembly includes seed metering piece and seed metering piece that resets, seed metering piece with seed dish rotates to be connected, seed metering piece deviate from in seed storage hole one side with stir the piece intermittent type and offset, seed metering piece that resets with seed metering piece reaches the seed dish is connected respectively.

3. The yam bean planter as claimed in claim 1, wherein: the seed storage holes, the seed storage components and the seed discharging components are arranged in a plurality, and the seed storage holes, the seed storage components and the seed discharging components are uniformly arranged along the circumference of the seed tray.

4. The yam bean planter as claimed in claim 1, wherein: seed metering device below is followed the direction that the yam beans seeder was moved back has set gradually seed metering furrow opener and is used for landfill yam beans and peace land's scraper blade, seed metering furrow opener and the scraper blade respectively with frame fixed connection.

5. The yam bean planter as claimed in claim 1, wherein: the yam bean seeder still includes fertilizer injection unit, fertilizer injection unit with frame fixed connection, fertilizer injection unit set up in three-point linkage reaches between the seed metering device, fertilizer injection unit includes fertile case and fertilizer applicator, fertile case includes out the fertile mouth, fertilizer applicator includes into fertile mouthful and arranges fertile mouthful, go out fertile mouthful with advance fertile mouthful to be connected, fertilizer injection unit below still is provided with the fertilization furrow opener, the fertilization furrow opener with frame fixed connection, transmission still includes the fertilization driven shaft, the fertilization driven shaft with the land wheel driving shaft passes through sprocket and chain transmission and is connected, the fertilization driven shaft with fertilizer applicator is connected in order to drive fertilizer applicator row is fertile.

6. The yam bean planter as claimed in claim 1, wherein: the potato bean seeder further comprises a film covering device, wherein the film covering device comprises a film covering furrow opener, a film fixing shaft for positioning a plastic film winding drum, a film pressing wheel, a soil covering roller and a soil gathering disc, and the film covering furrow opener, the film fixing shaft, the film pressing wheel, the soil covering roller and the soil gathering disc are sequentially fixedly connected with the frame along the retreating direction of the potato bean seeder.

7. The yam bean planter as claimed in claim 6, wherein: the yam bean seeder still includes drip tape laying device, drip tape laying device set up in tectorial membrane device's top with frame fixed connection, drip tape laying device includes drip tape laying wheel, drip tape laying axle and drip tape laying support, drip tape laying wheel set up in the both ends of drip tape laying axle, drip tape laying wheel with drip tape laying hub connection, drip tape laying axle with support swing joint is laid to the drip tape, drip tape laying support with support fixed connection, drip tape laying device still including the exhibition drip irrigation frame that is used for expanding the drip tape, exhibition drip irrigation frame set up in the fixed film axle is close to three-point linkage one side, exhibition drip irrigation frame with frame fixed connection.

8. The yam bean planter as claimed in claim 1, wherein: the seed blocking plate is arranged at the lower part of the first shell relative to one side of the seed tray, the bulge is of an arc-shaped structure, an opening of the arc-shaped structure is upward, and the central angle corresponding to the seed blocking plate relative to the first shell is larger than or equal to the central angle corresponding to the arc-shaped structure.