JP2002233213A - Farm working machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a farm working machine for a seedling-transplanting machine in which a bill-shaped transplanting tool having the sharp point at the bottom edge periodically rises and falls and the transplanting tool plunges into the ground at the bottom dead point or in the vicinity to form a hole for transplanting a seedling by opening the lower part and a seedling is transplanted in the hole, and further provide a farm working machine that can additionally do the seeding work in the conventional seedling-transplanting machine and particularly relate to improvement in the transplanting tool, when the seeding work is carried out. SOLUTION: This invention relates to a transplanting tool 26 that periodically rises and falls and plunges into the ground at the bottom dead point or in the vicinity, and opens the lower part, when it goes into the soil, to open a hole for sewing the seeds, wherein a guide member 40 for guiding the received seeds toward the center of the bottom end is provided inside the transplanting tool 26.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an agricultural machine for sowing a radish or the like and transplanting a vegetable or the like, and belongs to the technical field of an agricultural machine.

[0002]

2. Description of the Related Art When a beak-shaped planting tool having a sharpened lower end periodically rises and falls, and enters into the planting plant soil at or near the bottom dead center of the up-and-down stroke, and enters the soil. There is a seedling transplanter in which a lower part is opened to make a hole for planting seedlings, and seedlings are planted in the holes.

[0003]

SUMMARY OF THE INVENTION It is an object of the present invention to provide an agricultural working machine which can perform a sowing operation by using such a seedling transplanter having a conventional structure. In particular, the present invention relates to improvement of a planting tool in a sowing operation.

[0004]

In order to solve the above-mentioned problems, the present invention takes the following technical means. That is,
The first specific means in the present invention is to periodically move up and down,
A planting tool that penetrates into the soil at or near the bottom dead center of lifting and lowering and opens a hole for seed planting when it penetrates into the soil, and inside the planting tool. Is provided with a guide member for guiding the received seed toward the center of the lower end. Thus, the seed can be guided and dropped to the center of the hole formed by the planting tool.

[0005] A second specific means in the present invention is ascending and descending periodically, rushing into the soil at or near the bottom dead center of the ascending and descending, and when rushing into the soil, the lower part is opened and the seed plant is opened. A planting tool for making a hole for attachment, characterized in that a lower end of the planting tool is formed in a blade shape. According to this, since the tip of the planting tool is formed in the shape of a blade, the multi-film is reliably cut when it enters the soil, and the multi-hole is easily formed.

A third specific means in the present invention is that the ascending / descending member moves periodically into the soil at or near the bottom dead center of the ascending / descending member, and the lower portion opens when the member enters the soil. What is claimed is: 1. A planting tool for forming a hole for seed planting, wherein a lower end of the planting device is formed in a blade-like shape, and a multi-hole for forming a hole in a multi-film on an outer side of the tip. An opening tool is provided. Therefore,
Since a hole is formed in the multi-film by the action of the multi-perforation tool, the multi-perforation action by the opening and closing operations of the planting tool is promoted, and the multi-hole can be reliably cut open.

[0007]

In summary, according to the present invention, according to the present invention, the seeds rise and fall periodically and enter the soil at or near the bottom dead center of the elevation, and when they enter the soil, the lower part is opened and the seed plant is opened. A seeding device for making a hole for attachment, wherein a guide member for guiding the received seed toward the center of the lower end thereof is provided inside the seeding device, so that the seed that can be received in the seeding device is provided. Can always be reliably guided and dropped to the center of the multi-hole opened by the planting tool, and the germination and growth of seeds can be promoted.

[0008]

Embodiments of the present invention will be described with reference to the drawings. FIGS. 1 and 2 show a walk-type seeder 1 as an example of an agricultural work machine.
Mainly in the front part of the vehicle body 1A, the engine 2 and the main transmission case 3 and a pair of left and right front wheels 4, 4 and rear wheels 5, 5 as running wheels and the rear part are provided with a seed planting device 6, a seed supply device 7, and soil suppression. It comprises a wheel 8 and a steering handle 9. In the sowing machine 1, the front wheels 4 and 4 and the rear wheels 5 and 5 run in the ridges so that the aircraft crosses the ridges in the field, and seeds are planted by the seed planting device 6 in the center of the upper surface of the ridges. You can attach (seed the seeds).

At the left and right ends of the main drive case 3, the main drive case is provided.
Travel extension case 1 rotatable with respect to case 3
The right and left traveling extension cases 10 and 10 are fixedly provided at the respective ends of the left and right traveling extension cases 10 and 10, respectively. Therefore,
The motive power in the main transmission case 3 input from the engine 2 is transmitted to the traveling chain cases 11 and 11.

A pair of left and right rear wheels 5, 5 as running wheels are mounted on the left and right inner sides of the turning end portions of the traveling chain cases 11, 11, respectively.
The aircraft is driven by the driving of the vehicle. Accordingly, the main transmission case 3 is a transmission that transmits power to the rear wheels 5, 5 as running wheels. On the other hand, a front wheel support frame 12 extending in the left-right direction is provided at the lower portion of the engine mounting base so as to be rotatable around a rolling shaft 13 in the front-rear direction. , 4 are attached.

The left and right traveling extension cases 1
Numerals 0 and 10 are configured to extend and contract in the left and right lateral directions (the rear wheel drive shaft is also extended and contracted at the same time). Also,
The front wheel support frame 12 is provided so as to be able to expand and contract in the left and right directions, so that the tread of the left and right front wheels 4 and 4 can be adjusted.

A main frame 15 is provided at the rear of the left and right frames 14 to extend to the right. A steering handle 9 is provided at the rear end of the main frame 15, and the steering handle 9 is supported by the main transmission case 3 via the main frame 15.

A hydraulic lifting cylinder 16 is provided at the center in the left-right direction at the rear of the main transmission case 3. The hydraulic lift cylinder 16 is fixedly provided to a hydraulic switching valve portion 17 fixed to the main transmission case 3 and switches the hydraulic pressure from a hydraulic pump 18 fixed to the main transmission case 3. 17 is operated by operating a lifting / lowering operation valve provided in 17. A horizontal rod 19 extending left and right is provided at a cylinder rod end of the hydraulic lifting cylinder 16, and rear wheel lifting rods 20 and 21 are pivotally attached to left and right ends of the horizontal rod 19, respectively.
Connect the other end of each traveling extension case 1
The horizontal rod 19 and the traveling extension case 1 are pivotally attached to upper arms 10a, 10a fixed to
0 and 10 are connected. Therefore, the traveling chain case 11, 11 rotates around the left and right output shafts of the main transmission case 3 via the horizontal rod 19 and the rear wheel lifting rods 20, 21 due to the expansion and contraction of the hydraulic lifting cylinder 16. The rear wheels 5, 5 are moved up and down by the rotation of the traveling chain cases 11, 11, and the body is raised and lowered. Further, a horizontal hydraulic cylinder 22 which is operated by hydraulic pressure from a hydraulic pump 18 is provided in a middle portion of the left rear wheel lifting rod 20 so as to expand and contract the left rear lifting rod 20. The left rear wheel 5 is moved up and down with respect to the vertical position of the right rear wheel 5 so that the aircraft body can be maintained horizontally horizontally regardless of the unevenness of the ridge. A right and left tilt sensor 23 of a pendulum type is provided on the right side of the main transmission case 3. The horizontal tilt sensor 23 is detected by the left and right tilt sensor 23 via a horizontal operation valve provided in the hydraulic pressure switching valve unit 17. The configuration is such that the hydraulic cylinder 22 is operated to maintain the machine body horizontally horizontally.

The seed planting device 6 uses the power from the main transmission case 3 for planting seeds in a field.
Through a planting mission case 24 provided on the rear side of the case 3 and a first planting transmission case 25A and a second planting transmission case 25B driven in conjunction with the planting mission case 24. It is transmitted and operated.

The seed planting device 6 comprises a beak-shaped planting tool 26 whose lower part opens and closes back and forth, and a planting tool operating mechanism 27 that operates to raise and lower the planting tool 26. Planting device 2
Reference numeral 6 denotes a front member 26a and a rear member 26b, and a front member rotation shaft 28a located behind the planting device 26.
After the front member 26a is integrally attached to the front member mounting arm 29a rotatably supported by the front member 26a, the front member 26a is rotatably supported by a rear member rotation shaft 28b located in front of the planting device 26. The rear member 26b is integrally mounted on the side member mounting arm 29b. Therefore, when the two members 26a, 26b rotate about the rotation shafts 28a, 28b as a fulcrum, the lower part of the planting tool 26 opens and closes back and forth. Front member mounting arm 29
The front member 26a and the rear member 26b rotate in conjunction with each other by the interlocking pin 30 which is loosely fitted in the long hole formed in the rear member mounting arm 29b. A spring 32 for urging the front member 26a and the rear member 26b toward the closing side is stretched between the leg 31a of the front member mounting arm 29a and the leg 31b of the rear member mounting arm 29b. ing.

Next, the implanter operating mechanism 27 will be described. A rear link support arm 33a is rotatably mounted on a support projecting from the second implant transmission case 25B, and the support arm is provided. The front member rotating shaft 28a is connected to the rear end of the rear link 34a after the base is pivotally mounted on the base. Rear link 3
A rear link drive arm 35a provided at the rear end of the second planting transmission case 25B is connected to the intermediate portion of 4a.
A front link support arm 33b is rotatably attached to the planting mission case 24, and a rear member rotation shaft is attached to the rear end of the front link 34b whose base is pivotally attached to the support arm. 28b are connected. A front link drive arm 35b provided at the rear end of the first planting transmission case 25A is connected to an intermediate portion of the front link 34b. Double drive arm 3
When the 5a and 35b are driven and rotated, the rear link 34a and the front link 34b swing up and down while changing the position of the base part back and forth. Move.

An opening / closing arm 36 is provided at the base of the rear link 34a.
The front end of the opening / closing arm 36 and the front member mounting arm 29a are connected by an opening / closing rod 37. An opening / closing cam 38 is provided at an intermediate portion of the rear link 34a so as to rotate integrally with the rear link driving arm 35a, and a cam follower 39 made of a bearing acting on the opening / closing cam 38 is provided on the opening / closing arm 36. Is provided.

When the implant 26 is located at the bottom dead center, the opening / closing cam 38 and the cam follower 39 are engaged, whereby the opening / closing rod 37 is pulled, whereby the front member 26a and the rear member 26a of the implant 26 are engaged. 26b rotate back and forth in conjunction with each other, and the lower part of the implant 26 opens. The lower part of the planting tool 26 is held open during the upward stroke. And
When the cam follower 39 is acting on the opening / closing cam 38, the opening / closing cam 38 is turned on when the implanter 26 reaches the top dead center.
And the cam follower 39 is disengaged, and the lower part of the implant 26 is closed by the tension of the spring 32. When the cam follower 39 acts on the opening / closing cam 38, the lower part of the planting tool 26 is closed at a position where the planting tool 26 is slightly past the top dead center.

When the planting tool 26 is at a position slightly after the top dead center, seeds are dropped and supplied into the planting tool by the seed supply device 7. At this time, the lower part of the implant 26 is closed.
The planting tool 26 holding the seed descends and rushes into the ridged soil. Then, the lower part of the planting tool 26 opens at the bottom dead center to form a hole for seed planting, and the seeds held in the hole are released and sown.

As shown in FIG. 5, guide members 40, 40 for guiding the seeds received therein toward the center of the lower end are provided inside the planting tool 26. The seeds received inside the planting tool are guided and guided toward the center of the lower end by the guide members 40, 40, and are sown at the center of the hole made by the planting tool 26. I have.

The lower end of the planting tool 26 is formed in a sharp blade 41 shape. The multi-film is reliably cut by the blade 41 when the planting tool penetrates into the ridged soil. As shown in the embodiment of FIG. 6 and FIG. 7, a needle-shaped multi-drilling tool 42 for drilling a small hole in the multi-tool is provided outside the tip of the implanting tool 26. When the planting tool penetrates into the soil, a small hole is made in the mulch by the multi-perforator 42, and when the planting tool opens back and forth, the mulch is broken starting from this small hole. become. According to this, by providing the multi-perforation tool 42 below the lower end of the planting tool 26, it is possible to reliably make a hole in the multi-film, and the hole for seed planting by the planting tool 26 It can be shallow so that it can easily germinate.

The seed supply device 7 is provided above the seed planting device 6 and includes a seed supply turntable 43 for sequentially supplying seeds such as vegetables to the seed planting device 6. The seedling supply turntable 43 is intermittently rotated about a vertical rotation shaft 46 via a crank rod 44 reciprocating back and forth by transmission from the planting mission case 24 and a one-way clutch mechanism 45. It is supposed to. In addition, the seed supply turntable 43 is
A plurality of seed supply cups 47 are provided at predetermined intervals along a circumference centered at. Numeral 47a is a seed supply guiding cup formed of a synthetic resin in a roto shape, and is placed in each of the supply cups 47 with its lower part fitted.

At the bottom of each child supply cup 47, a shutter 48 is provided so as to be openable and closable, and below the supply cup 47, the supply cup 47 is rotated to a predetermined position by rotation of the seed supply rotation table 43. Cup 4 only when it comes to
The supply cup opening / closing guide 49 provided so that the shutter 48 at the bottom of 7... Is opened is fixed to the machine body side. Therefore, when the seed supply cup 47 reaches the predetermined position A due to the rotation of the seed supply turntable 43, the shutters 48 of the seed supply cups 47 open to open the seed supply cup 4.
7 are dropped into the planting tool 26 below, and the seed supply rotating table 43 is rotated to move the seed supply cups 47 away from the predetermined position A. … Is closed.

A seed storage tank 50 is provided above the seed supply turntable 43. The seed storage tank 50
A feed valve 51 for feeding seeds by a predetermined amount is provided at the bottom of the rotary shaft 46 of the seed supply rotary table 43.
Are connected to each other via a universal joint 52 and a feed transmission shaft 53 so as to be rotationally driven. That is, the delivery valve 51 is configured to intermittently rotate in synchronization with the seed supply rotating table 43.

The seed delivered from the delivery valve 51 is supplied and dropped into the seed supply guiding cup 47a via the seed supply pipe 54. Therefore, since the delivery valve 51 rotates intermittently in synchronization with the seed supply rotating table 43, the seeds in the seed storage tank 50 are removed by the delivery valve 51.
When the seeds are fed out intermittently, the seeds are successively supplied into the seed supply induction cup 47a in the supply cup 47 of the seed supply rotary table 43, and the supply cup 47 containing the seeds is supplied by the rotation of the seed supply rotary table 43. When moved to the position A, the shutter 48 opens and the seed falls into the planting tool 26 of the planting device 6.

At the front side of the seed supply rotating table 43, a seedling mounting frame 5 for mounting the seedlings raised in the cell tray together with the cell tray.
5 are provided. This is used when the seeding machine is used as a vegetable seedling transplanter. In front of the seed planting device 6, there is provided a ground contact sensor 56 that senses the change in unevenness while adapting to the change in unevenness in the field scene. The ground sensor-5
Reference numeral 6 is provided so as to be rotatable about an axis 57 in the left-right direction, and the rear wheel elevating operation valve in the hydraulic switching valve case 17 via the operation interlocking mechanism 58 in accordance with the rotation of the sensor 56 by grounding. And the rear plant 5 is controlled to move up and down by the seed planting device 6 so that the planting depth of the seeds becomes a predetermined planting depth.

A pair of left and right soil covering pressure rings 8 are provided at the rear position of the seed planting position, and roll on the ridge surface as the machine body advances, and soil around the seed planting hole after the seeds are planted. And collapse the hole, and lightly crush the trace. Another embodiment 1 (FIGS. 8 to 10) will be described.

The feed valve 51 provided at the bottom of the seed storage tank 50 is intermittently driven to rotate via a crank rod 44 and a light wheel 59 which reciprocate back and forth in relation to the planting tool operating mechanism 27. The seed supply pipe 54 is configured to receive the seeds delivered from the delivery valve 51 and directly supply and drop the seeds into the planting tool 26 reaching the top dead center.

Accordingly, by directly dropping the seeds from the feed valve into the planting tool, the seed supply rotating table, the seed supply cup, and the like can be omitted, and the seeding operation can be performed with a simple configuration. . Another embodiment 2 (FIGS. 11 to 13) will be described.

First, in the embodiment shown in FIG. 11, a multi-piercing tool 42 which moves up and down at a predetermined timing is provided at a position in front of the seed planting device 6, and the multi-piercing tool 42 is used. After drilling a hole in the mulch, the planting tool 26 descends from an upper position corresponding to the drilled hole with good timing to plant a seed.

In this embodiment, the multi-drilling tool 42 is used.
Is mainly composed of a gas burner 60, a multi-heater 61 and the like. The multi-heater 61 is pressed against the multi-film from the upper surface to melt and incis a multi-hole having an appropriate size.

In the embodiment shown in FIG.
Numeral 1 denotes a structure which moves up and down in connection with the raising and lowering operation of the implanting tool 26. The mounting member 63 to which the gas burner 60 and the heater 61 are mounted is capable of moving up and down with respect to the frame 64. The upper and lower positions are attached to the lower end of the
Is a link mechanism 67 that can swing about the horizontal axis 66 as a fulcrum.
The tension spring 6 is moved downward by the swinging operation of the a and 67b.
8, the link mechanism 67a, 67b is configured to return to the upward position by the repulsive action of the tension spring 68 after the swing operation of the link mechanism 67a and 67b is released. The link mechanism 6
The downward swinging operation of 7a and 67b is performed by a pressing member 69 provided on the planting tool when the planting tool 26 is lowered.

The multi-hitter 61 in this embodiment (FIG. 12) is formed in a hemispherical shape as indicated by reference numeral 61a so as to reduce the resistance of the heater portion and eliminate drag of the multi-hitter. Further, the use of a hemispherical shape has an advantage that the allowable range of the height for drilling can be increased.

In the embodiment shown in FIG. 13, a swing arm 71 is provided at the lower end of the elevating rod 65 so as to be swingable in the front-rear direction (in the direction of travel of the vehicle) with the swing fulcrum shaft 70 as a fulcrum. A gas burner 60 and a multi-heater 61 are attached to the swing arm 71, and a balance spring 72 is provided between the lifting / lowering rod 65 and the multi-heater 61. When a hole is drilled in the descending stroke, a tension is held on the contact surface side.

Therefore, when a hole is formed by the multi-heater 61, the multi-heater portion adapts to the change in the unevenness on the upper surface of the ridge, the ground contact resistance is reduced, and the multi is not dragged. Another embodiment 3 (FIGS. 14 and 15) will be described.
A shaft 73 erected in the front-rear direction at a position in front of a seed planting device or a seedling planting device of a walking type sowing machine or a vegetable transplanter.
Is provided with a pair of left and right wipers 74, 74 that slide and move along the upper surface of the ridge so that they can rotate independently up and down.
Is configured to remove water droplets attached to the surface of the mulch while sliding along the upper surface of the mulch as the body advances.

Each of the wipers 74, 74 is composed of a rubber body 74a and a holder 74b, and is configured to always hold a pressure on the multi-surface through a tension spring 75. If there are water droplets on the surface of the mulch, the planting tools become wet during the operation, and there is a problem that the adhesion of soil increases and the planting performance of seeds or seedlings is reduced. However, water droplets are removed by the wiper. As a result, such a problem can be solved and the planting performance can be stabilized.

In FIG. 14, in front of the wiper 74, there is provided a multi-press roller 76 for press-holding the multi-surface.

[Brief description of the drawings]

FIG. 1 is a side view of a walking type seeder.

FIG. 2 is a plan view of a walking seeder.

FIG. 3 is a side view showing a planting tool operating mechanism of the seed planting apparatus.

FIG. 4 is a plan view of an implanter operating mechanism.

FIG. 5 is a perspective view of a main part of the implant.

FIG. 6 is a perspective view of an implant.

FIG. 7 is a side view of a main part of the implant.

FIG. 8 is a side view of a walking-type seeder.

FIG. 9 is a plan view of a walking seeder.

FIG. 10 is a perspective view of a main part of the above.

FIG. 11 is a side view showing the relationship between the multi-hole punch and the planting tool.

FIG. 12 is a side view and a partial perspective view showing a relationship between a multi-hole punch and a planting tool.

FIG. 13 is a perspective view of a main part of the multi-hole punch.

FIG. 14 is a side view of the agricultural working machine.

FIG. 15 is a rear view of the main part of the above.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Walking type seeding machine 1A Body 2 Engine 3 Main drive case 4 Front wheel 5 Rear wheel 6 Seed planting device 7 Seed supply device 8 Covering pressure reduction wheel 9 Operating handle 10 Traveling extension case 10a Upper arm 11 Traveling chain -S 16 Rear wheel lifting cylinder- 17 Hydraulic switching valve case 18 Hydraulic pump 26 Planting tool 40 Guide member 41 Cutting tool 42 Multi drilling tool 50 Seed storage tank 51 Feeding valve 54 Seed supply pipe

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Tatsuo Fujimura 34-9, Michikari, Asahikawa-shi, Akita City, Akita Prefecture (72) Inventor Shiro Katsuno 1-Yakura, Tobe-cho, Eyo-gun, Ehime Prefecture, Iseki Agricultural Machinery Co., Ltd. 2B054 AA04 BA01 BB01 CA03 CB02 CB04 2B060 AA07 AC01 AE01 BA03 BB02 BB04 BB05 CB05 CC05 CC13

Claims (3)

[Claims] 1. A planting tool which rises and descends periodically and penetrates into the soil at or near the bottom dead center of the vertical movement, and when it penetrates into the soil, the lower part opens to open a hole for seed planting. An agricultural working machine, wherein a guide member for guiding the received seed toward the center of the lower end is provided inside the planting tool. 2. A planting tool that rises and falls periodically and enters the soil at or near the bottom dead center of the vertical movement, and when it enters the soil, the lower part opens to open a hole for seed planting. An agricultural working machine, wherein a lower end of the implanter is formed in a blade shape. 3. A planting tool that rises and falls periodically and enters the soil at or near the bottom dead center of the elevation, and when it enters the soil, the lower part opens to open a hole for seed planting. Wherein the tip of the lower part of the implant is formed in a blade shape,
An agricultural working machine characterized in that a multi-perforation tool for perforating a multi-film is provided on the outer side of the tip.