JP2978664B2 - Seeding equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sowing apparatus and, for example, to an apparatus for directly sowing rice paddy for paddy rice.

[0002]

2. Description of the Related Art Conventionally, as a seeding apparatus of this kind, for example, a rotary tilling body is rotatably provided on a machine frame, and a plurality of seeding groove forming rollers are arranged behind the rotary tilling body at intervals. A structure in which a plurality of soil covering rollers are rotatably arranged side by side so as to be rotatably provided at a rear portion of each seeding groove forming roller of the ridge formed body. There is.

[0003]

In the above structure, seeds are sown in each of the seeding grooves formed by the plurality of seeding groove forming rollers, and the seeds in each of the seeding grooves are covered with a plurality of soil covering rollers. However, at this time, if the amount of soil covered by each soil covering roller is large, there is a problem that the aerobicity of the seed is impaired and the germination rate of the seed is reduced.

[0004] Therefore, in consideration of the aerobicity of the seeds, it is preferable to sow the seeds in an exposed state so that various seeds are placed on the bottom of each sowing groove. When placed, the seeds float due to water and are washed away, and the seeds are often moved from the sowing position and germinated at a biased position. There is a problem that the growth and management of the seedlings are not preferable.

[0005] The present invention has been made in view of such a point, and it is possible to germinate seeds at a sowing position, to improve the germination rate of seeds while maintaining aerobicity of the seeds, It is an object of the present invention to provide a sowing apparatus that can surely prevent the seeds from floating and flowing off, or the seeds being largely moved from the sowing position and germinating at a biased position.

[0006]

SUMMARY OF THE INVENTION A seeding apparatus according to the present invention comprises a machine frame having a mission, a rotary tilling body rotatably provided on the machine frame and driven to rotate by an output from the mission, and a rotary cultivator. A rotatable ridge formed at the rear of the body, and a seed for sowing seeds in a sowing groove formed by the ridge formed, fixed and disposed above the ridge. A hopper, a seed pusher that is rotatably provided at a rear portion of the ridge formed body and presses seeds into the bottom of a seeding groove, and the ridge formed body is provided from a drive system of the rotary tillable body. A plurality of drainage grooves forming a drainage groove by slip rotation with respect to the cultivated soil at predetermined intervals in the axial direction on the rotation axis. While fixing the body together, The said rotation axis positioned between the drainage groove forming member fixing a plurality of sowing grooves molded body forming the sowing grooves to slip rotation relative tilling soil, the seed hopper,
It has a plurality of seed conduits, the seeding port of the various child conduits is disposed at the rear portion of each seeding groove molded body, the seed pusher,
Rotatably Kai is axially rack located behind portion of the ridge shaped body
It has a rotating shaft that is driven to rotate, and this rotating shaft is positioned opposite to the rear part of each seeding groove molded body and axially extends in the seeding groove.
It a plurality of push rollers are slip rotation for
Re is attached, the pressing roller of these is obtained by forming a pushing surface for pushing the each seed that was sown in the sowing groove in the outer peripheral portion to the bottom of each sowing grooves.

[0007]

In the seeding apparatus of the present invention, when the machine frame is towed and the mission of the machine frame is operated, the rotary tilling body is driven to rotate by the output from the mission, and the rotary tilling body is rotated. ridge shaped body is rotated in the output from the drive system, the ridges forming
Multiple drainage and multiple seeding channel formations
Each of them is slip-rotated with respect to the soil, and furthermore, the seed pusher is driven to rotate , and a plurality of pushers of this seed pusher are driven.
Over La is Ru is slip rotation relative thereto it sowing grooves.

[0008] Then, the soil in the field is cultivated and crushed sequentially by the rotary tilling body, and the cultivated soil is ridge-formed by the ridge formed body. That is, the drainage grooves are continuously formed by the respective drainage groove formed bodies of the ridge formed body, and the seeding grooves are continuously formed by the respective seeding groove formed bodies of the ridge formed body. Then, the seeds unwound from the seed hopper are sequentially sown in each sowing groove. This and
And each drainage channel molding and each sowing channel molding
Each of which is slip-rotated,
Soil may adhere to the drainage ditch and each seeding ditch.
Is prevented.

Further, the pushing of each pushing roller of the seed pushing body is performed.
Rare seeds in each sowing grooves after seeding push the bottom of each sowing groove in viewing surface, these seeds are held in place in a state of being embedded in the bottom of the seeding position of sowing grooves. Therefore,
Although each seed has a surface portion that is exposed but is kept in almost the same state as in the case of soil covering, aerobicity of these seeds is sufficiently maintained, and germination can be carried out at the sowing position without lowering the germination rate. it can.

[0010] Since this time, the pressing roller seed pushing member has a each seed that was sown in sowing groove in the outer <br/> peripheral portion in the bottom of each of the sowing grooves pushing pushing surface, of these Various seeds were buried at the bottom of each seeding groove at the pushing surface
Not only can it be reliably pushed into the state, but also the various elements can be pushed in without being damaged by this pushing surface. At this time, each pushing roller of the seed pushing body is
Due to slip rotation with respect to the seeding ditch,
Is prevented from adhering to each of the pushing rollers.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The configuration of an embodiment of the present invention will be described below with reference to the drawings.

1 and 2, reference numeral 1 denotes a machine frame. The machine frame 1 has a cylindrical main frame 2 which is long in the left-right direction, and an input shaft 3 is provided at an intermediate portion of the main frame 2 in a forward direction. A mission 4 is provided rotatably projecting toward the transmission. A mast 5 is integrally formed on the upper part of the transmission 4 to protrude forward, and a connecting portion 6 is formed at a front end of the mast 5. Lower arms 7 are integrally provided on the left and right sides of the main frame 2 toward the front, and lower pins 8 are provided on front ends of the left and right lower arms 7.

The mission 4 has a vertically long case body 9 fixed to the main frame 2.
The input shaft 3 is rotatably protruded from the upper end of the output shaft 10 at the front side thereof, and the output shaft 10 is rotatably mounted in the main frame 2 between left and right sides thereof. An end 11 is rotatably mounted on a shaft. A bevel gear 13 meshed with a bevel gear 12 of the input shaft 3 is fixed to a base 11 of the output shaft 10.

An intermediate portion of a rotary tilling body 14 is rotatably mounted on a lower end of the case body 9. The rotary tilling body 14 has a rotating shaft 15 rotatably mounted on the lower end of the case body 9. A large number of tilling claws 16 project radially from the rotating shaft 15 at intervals in the axial direction. Have been. In the case body 9, the rotating shaft 15 is linked to the base end 11 of the output shaft 10 via a linking medium 17. The upper part of the rotary tilling body 14 is covered with a cover body 18 fixedly supported by the case body 9 and the main frame 2. The rotary tilling body 14 is driven to rotate by the output from the mission 4.

Further, cylindrical support portions 19 are formed at both ends of the main frame 2, and output shaft ends 20 of the output shaft 10 are rotatably projected from the support portions 19 at one end thereof. At the same time, the front end of the transmission case 21 is attached to the support 19 at one end. A front end of a bracket 22 is attached to the other support portion 19. The transmission case 21 and the bracket 22 are protruded rearward relative to each other, and a bearing body 23 is protruded relative to the rear end inner portion of the transmission case 21 and the bracket 22, respectively.
The transmission case 21 and the bracket 22 are connected to a pipe-shaped support frame 24.
It is connected by.

Next, the bearing body of the left and right transmission cases 21
A ridge formed body 25 is rotatably supported between the bearing 23 and the bearing body 23 of the bracket 22 at a position behind the rotary tilling body 14. The ridge formed body 25 has a rotating shaft 26 which is rotatably supported by the left and right bearings 23. The rotating shaft 26 is provided with a large number of large-diameter drains at predetermined intervals in the axial direction. A plurality of groove forming bodies 27 are integrally fixed to each other, and a large number of small-diameter seeding groove forming bodies 28 are integrally fixed to the rotating shaft 26 in the axial direction, located between the plurality of drainage groove forming bodies 27. A surface molded body 29 for molding the surface of the ridge which also serves as a positioning is integrally fitted between each of the seeding groove molded bodies 28 and each of the drainage groove molded bodies 27.

Each of the drain groove forming bodies 27 has a groove forming portion 30 having a substantially V-shaped cross section for forming a deep drain groove on the outer peripheral portion thereof, and is formed in an abacus shape as a whole. Each of the seeding groove forming bodies 28 has a groove forming part 31 having a substantially V-shaped cross section for forming a shallow seeding groove on an outer peripheral portion thereof, and is generally formed in a substantially disk shape. Further, each of the surface molded bodies 29 is formed in a cylindrical shape, and both ends thereof are formed on both sides of the flange 32 formed on both sides of the drainage groove molded bodies 27 and both sides of the seeding groove molded bodies 28. The flange 33 is integrally fitted and fixed.

On the outer side of the drain groove formed body 27 located at the left and right ends of the rotary shaft 26, there are formed recesses 34 for housing the inner sides of the left and right bearings 23. In other words, each of the drainage groove forming bodies 27 is formed by fixing the left and right forming plate portions 35 and 36 formed in a curved and dish-like shape by overlapping their outer peripheral edges with each other to form the groove forming portion 30 having a substantially V-shaped cross section. Although it is formed in the shape of an abacus bead as a whole, in the drain groove molded body 27 located at both ends thereof, as shown in FIG. An inclined plate portion 37 inclined toward the inner formed plate portion 36 is formed at the center of the formed plate portion 35,
At an inner end of the inclined plate portion 37, a vertical plate portion 38 intersecting with the rotation shaft 26 is formed, and the inclined plate portion 37 and the vertical plate portion
At 38, the accommodation recess 34 is formed. The vertical plate portion 38 is sandwiched and integrally fixed by a flange 39 fixed to the rotating shaft 26 and a mounting plate 40 fixed to the inner end of the bearing body 23.

One end of the rotating shaft 26 rotatably supported by the bearing 23 projects from the rear end of the transmission case 21. A sprocket 41 is protruded from the projecting end of the rotating shaft 26. A sprocket 42 is fixed to the output shaft end 20 of the output shaft 10 which is fixed and protrudes into the front end of the transmission case 21. An endless chain 43 is freely rotatable between the front and rear sprockets 41, 42. Suspended. The ridge molded body 25 is rotated by the output from the transmission 4 is a driving system of the rotary tillage member 14, the ridges forming
Each drainage channel forming body 27 and each seeding channel forming body 28 of the body 25
It has become so that the slip rotation respectively.

A support shaft 44 protrudes from the outside of the rear end of the transmission case 21 on the axis of the rotary shaft 26.
A front end of a bracket 46 is rotatably supported in a vertical direction on the shaft end 45 of the support shaft 44 and the rotating shaft 26 located on the opposite side of the support shaft 44.
Are projected rearward relative to each other, and a seed pusher 47 is rotatably mounted between the rear ends of the left and right brackets 46 at the rear of the ridge 25.

The seed pushing body 47 has a rotating shaft 48 rotatably mounted on a shaft between the rear ends of the left and right brackets 46 via a bearing 46a. A large number of pushing rollers 49 are fixed to the rear portion of each seeding groove forming body 28 of the ridge forming body 25 so as to be opposed to the seeding grooves to be described later in the axial direction . Also,
Each of the pushing rollers 49 has a substantially U-shaped cross section having an arc-shaped pushing surface 50 protruding outwardly, which pushes seeds sown in seeding grooves to be described later on the outer periphery thereof and pushes the seeds into the bottoms of the respective seeding grooves. Is formed.

An interlocking medium 52 is suspended between the shaft end 45 of the rotating shaft 26 and the end of the rotating shaft 48 so as to be rotatable. The rotating shaft 48 having the plurality of pushing rollers 49 is driven to rotate by the output from the rotating shaft 26 of the ridge 25 . The rotational speed of the plurality of pressing roller 49, seeds slow Ku each sowing grooves than the rotational speed of the ridge shaped body 25 a speed which can pushed it to the bottom of each sowing grooves of each sowing grooves These indentation rollers are rotated at a speed that does not damage the seeds.
49 has become so that the slip rotation for each sowing grooves.

The left and right brackets 46 have support pieces.
53 are integrally projected upward, and the left and right support pieces
53 is connected and supported by a support rod 54. In addition, a gate-shaped support frame 55 is integrally erected between the transmission case 21 and the rear side of the bracket 22, and a support 57 is rotatably mounted on a horizontal portion 56 of the support frame 55. Has been attached.
A suspension rod 58 is inserted into the support body 57 so as to be able to advance and retreat in the front-rear direction. A middle part of the support rod 54 in the left-right direction is vertically supported by a support shaft 59 at the rear end of the suspension rod 58. A stopper 60 is provided on the front side of the hanging rod 58 so as to be located in front of the support body 57. A coil spring 61 that elastically supports the hanging rod 58 at a predetermined position is wound around the hanging rod 58. And
The seed pushing body 47 having the large number of pushing rollers 49 is vertically movably supported by the support body 57, the suspension rod 58, the support piece 53, the support rod 54, and the coil spring 61.

Further, the horizontal portion 56 of the support frame 55
The base 63 of the seed hopper 62 is connected and supported by the base, and the base 63 incorporates a seed feeding mechanism 64. In addition, a large number of seed conduits 66 are connected to the dispensing portion 65 of the seed dispensing mechanism 64, and a seeding port 67 of each of the various child conduits 66 is arranged at a rear portion of each seeding groove molded member 28 of the ridge molded member 25. It is fixed.

Next, the operation of the above embodiment will be described.

The connecting part 6 of the mast 5 and the lower pins 8 of the left and right lower arms 7 are connected to the three-point suspension mechanism of the tractor, and the input shaft 3 of the transmission 4 is connected to the PTO shaft of the tractor via a power transmission shaft. I do.

Next, when the machine is towed by the tractor and the input shaft 3 is rotationally driven by the output from the PTO shaft of the tractor, the output shaft 10 of the transmission 4
The rotation shaft 15 of the rotary tilling body 14 is rotated by the output from the intermediary medium 17 and the rotary tilling body 14 is driven to rotate. Also, the output from the output shaft 10 causes the ridge formed body 25 to move through the endless chain 43 in the transmission case 21.
Is rotated, and the ridge formed body 25 is rotationally driven.

When the rotating shaft 26 of the ridge formed body 25 is rotated, an output from the rotating shaft 26 causes a rotating shaft having a large number of pushing rollers 49 of a seed pushing body 47 via an interlocking medium 52.
48 is rotated, and a large number of pushing rollers 49 are rotationally driven. Further, a seed feeding mechanism 64 of the base 63 of the seed hopper 62 is operated by an output from a driving unit (not shown), and the seed is fed from the seed feeding mechanism 64.

Then, the soil in the field is sequentially plowed and crushed by the rotary tilling body 14, and the cultivated soil is
At 25, a plurality of rows of ridges A are sequentially ridged and formed in parallel. That is, the deep drain grooves B having a substantially V-shaped cross section are successively formed in each drain groove formed body 27 of the ridge formed body 25, and the cross section is substantially formed in each seeding groove formed body 28 of the ridge formed body 25. The V-shaped shallow seeding grooves C are successively formed, and the surface of each row of ridges A is formed flat by each surface formed body 29 of the ridge formed body 25.

At this time, the ridge formed body 25 having each drainage groove formed body 27, each seeding groove formed body 28, and each surface formed body 29 is rotationally driven by the output from the mission 4, so that each of the drainage groove formed bodies 27 is formed. The body 27, each seeding groove forming body 28 and each surface forming body 29 are rotationally driven while slipping on the cultivated soil, whereby the deep drainage grooves B, shallow seeding grooves C and ridges A are formed in order. At the same time, soil is prevented from adhering to each of the drainage groove formed bodies 27, each of the seeding groove formed bodies 28, and each of the surface formed bodies 29.

The seeds D fed from the seed feeding mechanism 64 are sequentially sown from the seeding port 67 of the seedling conduit 66 into each shallow sowing groove C, and the seedlings D in each seeding groove C are , Are sequentially pushed into the bottoms of the respective seeding grooves C by the pressing surfaces 50 of the respective pressing rollers 49 of the seed pressing body 47 which is rotationally driven along the respective seeding grooves C. It is held in a state of being buried at the bottom of the seeding position. Therefore, although the various seeds D are exposed, the surface part is maintained in a position almost the same as that when the soil is covered, the aerobicity of these seeds D is sufficiently maintained, and the germination rate is lowered at the seeding position. It can be germinated without.

At this time, each pushing roller 49 of the seed pushing body 47
Has an arc-shaped pressing surface 50 for pressing various seeds D seeded in the seeding groove C into the bottom of each seeding groove C, so that each child D can be Not only is it firmly pushed into the bottom of the sowing groove C,
The various children D are pushed on the arc-shaped pushing surface 50 without being damaged. Also, each pushing roller 49 of the seed pushing body 47
Corresponds to each seeding groove by the rotating shaft 48 that is driven to rotate.
Then, the slip rotation prevents soil from adhering to each of the pushing rollers 49.

Next, at the time of the seeding operation after the second stroke in which the direction is changed, a deep drain groove B having a substantially V-shaped cross section is sequentially formed in each drain groove formed body 27 of the ridge formed body 25 as in the previous step. Formed continuously, shallow seeding grooves C having a substantially V-shaped cross section are successively formed in each seeding groove formed body 28 of the ridge formed body 25, and each surface formed body 29 of each ridge formed body 25 is formed. The surface of the row ridges A is formed flat.

At the time of each of the above steps, the left and right transmission cases 21 on which the ridge formed body 25 is mounted and the lower ends 21a, 21a,
22a is advanced from the position on the shallow seeding groove C of the adjacent ridge A formed in the previous step to the side part on the drain groove formed body 27 side at both left and right ends, and the transmission case 21 At the lower end 21a and the lower end 22a of the bracket 22, the shallow seeding grooves C of adjacent ridges A formed in the previous process are not damaged, and the drainage groove forming bodies 27 and the respective seeding groove forming bodies 28 do not break. The deep drainage groove B and the shallow seeding groove C are formed continuously.

The seeds D fed from the seed feeding mechanism 64 are sequentially sown from the seeding ports 67 of the various conduits 66 into shallow sowing grooves C, and the seeds D in the respective sowing grooves C are Seed pusher that is driven to rotate along each sowing groove C
As in the case of the previous process, the respective pushing rollers 49 are sequentially pushed into the bottoms of the respective seeding grooves C, and these various children D are held in a state of being buried in the bottoms of the respective seeding grooves C. You. Therefore, at the time of the seeding operation in each of the second and subsequent strokes in which the direction has been changed, the ridges A formed in the previous stroke are ridge-formed in an orderly manner while preserving the ridges A. Are held in a state of being buried sequentially in the bottom of each seeding groove C.

When water is poured into the paddy field after the completion of the seeding operation, the various seeds D are held in a state where they are buried at the bottom of each seeding groove C. The various seeds D can be germinated at the seeding position without floating and flowing off, or the seeds D are largely moved from the seeding position and do not sprout at the offset position.

Next, in the above-described embodiment, a case has been described in which each pressing roller 49 of the seed pressing body 47 has a pressing portion 51 having an arc-shaped pressing surface 50 on an outer peripheral portion thereof.
Not limited to this, each pushing roller 49 of the seed pushing body 47 has, for example, as shown in FIG. 4, an annular convex portion 70 having a substantially V-shaped cross section protrudingly formed on an outer peripheral portion of each pushing roller 49. A pressing portion 51 having a substantially U-shaped cross section and having an arc-shaped pressing surface 50 protruding outward may be formed on the outer peripheral portion of the annular convex portion 70.

According to this structure, the annular convex portion 70 having a substantially V-shaped cross section on the outer peripheral portion of each pushing roller 49 rotates along each seeding groove C formed by each seeding groove molded body 28. At the same time, each child D is sequentially pushed into the bottom of each seeding groove C at the arc-shaped pushing surface 50 of the pushing part 51 having a substantially U-shaped cross section of each of the annular projections 70 and is buried. Will be retained. As a result, the various seedlings D are sequentially pushed in, buried, and held in position without greatly disturbing the seeding grooves C formed by the seeding groove molded bodies 28.

[0039]

According to the present invention, located in the rear part of the ridge shaped body provided with a seed pushing member rotatably, the seed pushing member has a rotary shaft which is rotationally driven is rotatably shaft rack A plurality of pushing rollers are attached to the rotating shaft in the axial direction so as to face the rear portion of each seeding groove formed body of the ridge shaped body, and the seeding grooves are mounted on the outer peripheral portion of each pushing roller. Since a pressing surface for pressing various seeds seeded in the seeding groove formed by the molded body into the bottom of each seeding groove was formed, the various seeds were pressed at the bottom of each seeding groove at the pressing surface of each pressing roller. The seeds can be germinated at the seeding position, and the surface of each seed is not particularly covered with soil. The seed germination rate can be improved while Therefore, it is possible to reliably prevent the seeds from floating and flowing, or to prevent the seeds from being largely moved from the seeding position and germinating at the one-sided position. Can be pushed in without damaging various children. Also, ridge molding
The drainage ditch and the sowing ditch of the plant
Slip rotation, and each pushing of the seed pushing body
The roller is slip-rotated with respect to the seeding groove,
For water channel molding, each seeding channel molding, and each pushing roller
Soil can be prevented from adhering, and drainage can be performed at each drain
Grooves are formed neatly with each seeding groove molding.
it can.

[Brief description of the drawings]

FIG. 1 is a partially cutaway plan view of a seeding apparatus according to an embodiment of the present invention.

FIG. 2 is a side view of the same.

FIG. 3 is an explanatory diagram showing a state where seeds are pushed in the embodiment.

FIG. 4 is an explanatory diagram showing a seed pushing state of a seeding apparatus according to another embodiment.

[Explanation of symbols]

 1 Machine Frame 4 Mission 14 Rotary Tillage 25 Ridge Form 26 Rotary Axis 27 Drainage Form 28 Seeding Groove Form 47 Seed Pusher 48 Rotating Axis 49 Pushing Roller 50 Pushing Surface 62 Seed Hopper 66 Seed Conduit 67 Seeding Port A Ridge B drainage ditch C sowing ditch D seed

Claims (1)

(57) [Claims] 1. A machine frame having a mission, a rotary cultivator rotatably provided on the machine frame and driven to rotate by an output from the mission, and rotatably positioned at a rear portion of the rotary cultivator. The provided ridge formed body, a seed hopper that is disposed and fixed at an upper portion of the ridge formed body and sows seeds in a seeding groove formed by the ridge formed body, and a rear portion of the ridge formed body. A seed pusher that is provided rotatably at a position and pushes the seed into the bottom of the seeding groove. The ridge formed body has a rotating shaft that is driven to rotate by an output from a drive system of the rotary tilling body. The rotating shaft is slipped against the tilled soil at a predetermined interval in the axial direction.
A plurality of drainage groove forming bodies that rotate to form drainage grooves are integrally fixed, and the rotation shaft positioned between the drainage groove forming bodies is slip-rotated with respect to the cultivated soil sowing grooves. The seed hopper has a plurality of seed conduits, and a seeding port of each of the various child conduits is disposed at a rear portion of each of the seeding groove molded bodies. pushing body has a rotary shaft which rotates the freely be axially rack rotated located behind portion of the ridge shaped body, this rotary shaft so as to face located rearward portion of the respective sowing groove forming member a plurality of push rollers are slip rotation in the axial direction relative to the sowing grooves attached respectively, the bottom of each sowing grooves each pressing roller is a each seed that was sown in the sowing groove in the outer periphery of these A seeding device characterized in that a pressing surface for pressing into a sheet is formed.