JPH09154325A - Seedling planting apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a vacant hill in a row on which seedlings are planted. SOLUTION: This seedling planting apparatus is equipped with a planting device 31 for transplanting seedlings with soil, a main transporting device 30 for sending seedlings with soil placed at equal intervals to the side of the planting device 31 and supplying the seedlings with soil to the planting device 31 continuously at fixed intervals and an auxiliary transporting device 36 for sending the same kind of seedlings with soil to the side of the planting device 31 and supplying the seedlings with soil to the planting device 31 every time the seedlings with the soil are required. When one of the seedlings with soil being sent by the main transporting device 30 is deficient and the feed interval is going to become wider, the seedlings with soil in the auxiliary transporting device 36 are supplied to the planting device 31.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention is effectively used for a seedling planting machine for transplanting vegetable seedlings into a field.

[0002]

2. Description of the Related Art A seedling plant of this type is a soil-type seedling (also called cell seedling) grown in a pot-type seedling box for each strain, or
Soil seedlings grown in soil blocks are used. That is, a plurality of pots are arranged side by side in the front, back, left, and right in the seedling box,
After putting the soil into each pot and sowing, after a predetermined number of days with irrigation, seedlings grow separately for each strain. A plurality of side-by-side soil-attached seedlings are extruded from the above-mentioned seedling box mounted on the seedling planting device to the transport device, sent to the planting device at equal intervals and continuously supplied to the planting device. Transplanted in the field. In the case of using a soil block, a plurality of soil-grown seedlings grown on this is placed side by side on the front and rear and left and right on a wide transport belt, and the rotation of this transport belt allows the soil-grown seedlings to be transported side by side to the transport device. Then, it is transplanted in the same manner as above.

[0003]

If one of the plurality of soil-grown seedlings placed side by side on the transport device is missing, the soil-grown seedlings supplied to the planting device will be spaced apart and transplanted. Later shoots are out of stock. The present invention aims to eliminate this stockout and improve profitability.

[0004]

[Means for Solving the Problems] To solve the above problems, a planting device 31 for transplanting soil-seeded seedlings to a field, and a soil-planted seedling placed at equal intervals are sent to the planting device 31 side to a certain degree. A main conveyance device 30 that continuously supplies the planting device 31 at intervals.
It is equipped with a sub-transporting device 36 that sends the same type of seedlings to the planting device 31 side and supplies them to the planting device 31 whenever necessary, and one of the equally spaced seedlings sent by the main transport device 30 is missing. The seedling planting device is provided so as to feed the seedlings of the sub-transport device 36 to the planting device 31 when the above-mentioned supply interval is about to be opened.

[0005]

In the seedling planting apparatus 1 described above, a plurality of soil-grown seedlings that have been grown separately for each strain are placed on the main carrier device 30 at equal intervals and sent to the planting device 31. When the soil-grown seedlings approach the planting device 31, they are continuously supplied to the planting device 31 at regular intervals and are transplanted to the field each time. Since the seedling planting apparatus 1 is moving forward at a constant speed, the seedlings are transplanted into the rows at regular intervals. Main transport device 3 due to dropping from seedling box or transport device
If one of the seedlings listed in 0 is missing, the seedling with sub-transporter 36 is supplied to the planting device 31 at the time when the missing soil-bearing seedling is supplied to the planting device 31. Ported.

[0006]

As described above, according to the present invention, when one of the seedlings with soil placed on the main carrier device 30 at equal intervals and sent toward the planting device 31 is missing, the missing soil is lost. Since the seedlings with soil of the sub-transporting device 36 are supplied to the planting device 31 when the seedlings are supplied to the planting device 31, the main transport device 30
The lack of soil seedlings in the above was supplemented by soil seedlings from the sub-transport device 36, and the soil seedlings were continuously supplied to the planting device 31 at regular intervals, and the seedlings to be transplanted lacked. Does not occur.

[0007]

Next, an embodiment of the present invention will be described. As shown in FIGS. 1 and 2, a seedling planting device 2 is attached to the rear portion of the traveling vehicle body 1 to form a seedling planting machine. The traveling vehicle body 1 is configured as follows. A main gear box 4 and a planted gear box 5 are fixed to the front and rear of the frame 3. The engine 6 is fixed in front of the main gear box 4, and its power enters the main gear box 4 and then reaches the inside of the planted gear box 5 through the inside of the frame 3. 1
A pair of first chain cases 7 are arranged on both sides of the main gear box 4 and are configured to swing around the transmission shaft 8 at the upper end. The front end of the second descending second chain case 9 is swingably attached to the lower end of the first chain case 7, and the front wheel 10 is attached to the axle 24 at the rear end thereof.

The supporting leg 11 projects downward from the planted gear box 5,
A pair of left and right rear wheel chain cases 12 is attached to the shaft 11a at the lower end thereof.
Is attached to the rear wheel chain case 12, and a rear wheel 13 is attached to the rear end of the rear wheel chain case 12. Both ends of the pair of connecting cases 14 have an axle 24 at the lower end of the second chain case 9 and a shaft 11 at the tip of the rear chain case 12.
It is rotatably attached to a.

1 integrated with each first chain case 7
A pair of arms 15 project upward, and the projecting ends thereof are connected by a horizontal bar 16. A rear end of the hydraulic cylinder 17 is rotatably attached to the frame 3, a Biston rod 18 projects obliquely upward and forward, and the projecting end is connected to the horizontal bar 16. A pair of arms 19 integral with each rear wheel chain case 12 projects upward, and the respective projection ends and the first chain case 7 in front of them are connected by a rod 20.

At the time of transplanting the seedlings, the left and right front wheels 10 and the rear wheels 13 are located on both sides of one ridge, and the respective chain cases 7, 9, 12 are shown in solid lines in FIG. Has a center of gravity behind the front wheel 10. For example, when the seedling planter reaches the end of the ridge, the operator operates the valve to cause the piston rod 18 to project. Then, the first chain case 7 rotates counterclockwise around the transmission shaft 8 and the second chain case 9 moves rearward, but the rear end thereof is restricted by the connecting case 14 and descends. That is, when the piston rod 18 projects, the front wheel 10 moves backward while descending. Therefore, the center of gravity of the seedling planting machine moves forward with respect to the front wheel 10, and the frame 3 and the planted gear box 5
Etc. rise from the ground. At this time, the rear wheel chain case 12 is pulled by the rod 20 and rotates clockwise, and the rear wheel 13
Descends by the same amount as the front wheel 10, and the frame 3 rises while maintaining parallelism. After that, when the operator lifts the rear handle 21, the rear wheel 13 floats up from the ground, the power to the front wheel 10 on one side is cut off, and the traveling vehicle body makes a U-turn.

As described above, according to this structure, the center of gravity of the seedling planting machine is located behind the front wheel 10 and stably runs during the seedling transplanting work, so that the front wheel 10 is lowered to move to the turning posture. , Its center of gravity moves forward, and the rear portion can be lifted up lightly with the handle 21. In addition, each front wheel 10
And the power of the engine 6 is transmitted to the rear wheels 13 as follows to drive all wheels. The transmission shaft 8 is driven by the engine 6. The rotation thereof reaches the chain 23 in the second chain case 9 by the chain 22 in the first chain case 9, and drives the axle 24 of the front wheel 10. The rotation of the axle 24 reaches the chain 26 in the rear wheel case 12 via the chain 25 in the connecting case 14, and drives the axle 27 of the rear wheel 13.

First chain case 7 and rear chain case 1
2 can be slidable left and right with respect to the main gear box 4 and the support leg 11, respectively, and can be configured to be moved left and right by a screw rod that rotates forward and backward by the power of the engine 6. Then, the front wheels 10 and the rear wheels 13 move left and right as desired,
Adaptability to the size of the ridge is improved. The seedling plant 2 is configured as follows. The seedling box transfer device 28 is adapted to intermittently feed the attached seedling box 29 in FIG. 3 downward (in the direction of the arrow in FIG. 3). The seedling box 29 is a flexible thin plate 2.
A plurality of pots 29b are arranged integrally on the front and rear sides and the left and right sides of the 9a. Then, when soil is put into each pot 29b, seeded, and watered for a predetermined number of days, seedlings A (FIG. 6) grow in each pot 29b independently of other seedlings. When the seedling box 29 where the seedlings are growing is attached to the seedling box transfer device 28 and power is transmitted, the feed holes 29c on both sides are provided.
The claws bitten by are activated, and the seedling box 29 is intermittently sent downward. Since the configuration is well known, a detailed description will be omitted.

A main carrier 30 is provided on the left side of the seedling box transfer device 28, and when a pin is inserted from the right into the seedling box 29 which is not being fed, a plurality of side-by-side seedlings are put together with the soil in the pot 29b ( Hereinafter referred to as "earthen seedlings." It is designed to be pushed onto it. The plurality of soil-bearing seedlings are sent forward by the main carrier device 30 while maintaining the intervals at that time. The planting device 31 is provided at the lower right of the front part. This planting device 31 is composed of a planting cup 32 whose lower part opens and closes in the front-rear direction and a guide cup 33 above it. The planting cup 32 is provided at the rear ends of the parallel links 34, and by its operation, moves up and down while maintaining the same posture, and plunges into the field at the lower end of the movement to open the bottom,
Transplant the soil seedlings in the field. An extruding device 35 is provided in the front part of the main transporting device 30, and the seedlings that have been sent are sequentially pushed into the guide cup 33.

A sub-transport device 36 is provided on the main transport device 30 in parallel with the main transport device 30 so that the sub-transport device 36 can be rotated whenever necessary to forward a plurality of soil-imposed seedlings placed by an operator. An extruding device 37 is provided at the front part thereof, and one of the soil-grown seedlings is pushed into the guide cup 33. Sensor 3
8 is provided on the main carrier 30 to detect whether or not a plurality of soil-grown seedlings are sent at equal intervals. Then, the main carrier device 30 puts the side-by-side soil-grown seedlings extruded from the seedling box 29 at equal intervals and sends them forward, and when each soil-grown seedling comes to the left of the guide cup 33, the pushing device 35 causes the guide cup 35 to move. It is extruding into 33 sequentially. If one of the soil-bearing seedlings placed on the main carrier 30 at equal intervals is missing, the sensor 38 informs the controller (not shown) of that fact. Then, the control device operates the extrusion device 37 at the time when the above-mentioned lacked position reaches the left of the guide cup 33 and the extrusion device 35 operates, and the soiled seedlings of the sub-transport device 36 are placed in the guide cup 33. Push it down. After that, the sub-transport device 3
6 turns so that the next seedling with soil reaches the left of the guide cup 33, and then stops and stands by.

The push-out device 37 may not be constructed as an automatic type as described above, but may be one in which the operator manually detects the lack of soil seedlings in the main carrier and operates manually. Further, in making the determination, a signal sound may be emitted by the signal of the sensor 38. The seedling box 29 can be provided as shown in FIGS. 4 and 5. That is, the thin plate 29a and the pot 29d are made of a slightly rigid resin, and the bottom of the pot 29d is opened wide. Elastic thin plate 40 with multiple pots 4
0a is molded and the pot 40a is put into the pot 29d. After that, the potted soil is put in the pot 40a and sown to grow the seedling A. When the seedling A grows to a predetermined size, the seedling box 29 is attached to the seedling box transfer device 28 together with the thin plate 40 with the seedling A, and the pot 40a is crushed by the pin 39 as shown in FIGS. 6 and 7. And push out the seedlings with soil from the pot 29d. Conventional pot 29 that was made integrally with thin plate 29a
In the case of b, a cross-shaped cut is made in the bottom to form an elastic piece, and a pin is inserted by the rotation of this piece to prevent the floor soil from falling off. When this becomes old, the elasticity may deteriorate and it may be impossible to prevent the falling of the floor soil. However, the above configuration can eliminate the possibility. Further, the pushing surface of the pin 39 can be widened, so that the seedling can be taken out from the pot reliably.

FIG. 8 and FIG. 9 show another seedling planting machine.
The traveling vehicle body 1 has substantially the same structure as the traveling vehicle body 1 shown in FIGS. The rear wheel 13 and its chain case 12 are omitted. The seedling plant 2 is configured as follows. The seedling box transfer device 41 is configured to place the seedling box 29 on a rearwardly upward slant and move it left and right to send it downward.
The seedling box 29 is designed to incline slightly at its lower end when viewed from the side. A drum 42 is provided in front of it, and a plurality of planting needles 43 are radially projected. A cam (not shown) is provided inside the drum 42, and the planting needle 43 is designed to project greatly when it comes down.
Then, when the planting needle 43 comes in front of the seedling box transfer device 41, the seedling A is pushed out of the seedling box 29 by the pin 44 that is inserted into the pot 29b after the pot 29b, and is planted in the soil or root pot. The needle 43 is inserted and held. When the planting needle 43 rotates with the drum 42 and comes down, this is the drum 42.
The seedling A is transplanted by pushing the ground soil or the root pot that is being held in the field into a field. According to this seedling planter, the configuration is simple and the speedup is achieved.

[Brief description of the drawings]

FIG. 1 is a side view of a seedling plant to which the present invention has been applied.

FIG. 2 is a plan view thereof.

[Figure 3] Slope view of the seedling box used in this seedling planter

FIG. 4 is an enlarged cutting front view showing another embodiment of the seedling box.

FIG. 5 is a front view thereof.

FIG. 6 is a front view thereof.

[Figure 7] Front view

[Figure 8] Side view of another seedling planter

FIG. 9 is a plan view of part 1 thereof.

[Explanation of symbols]

 1 Seedling planting device 30 Main transport device 31 Planting device 36 Sub-transport device

Front page continued (72) Inventor Shin Watanabe 1 Yakura, Tobe-cho, Iyo-gun, Ehime Prefectural Engineering Department, Iseki Agricultural Machinery Co., Ltd. (72) Inventor Yoshikatsu Aoki 1 Yakura, Tobe-machi, Iyo-gun, Ehime Prefecture Technical Department, Iseki Agricultural Machinery Co., Ltd. (72 ) Inventor Masami Murami, 1 Yakura, Tobe Town, Iyo-gun, Ehime Prefecture, Engineering Department, Iseki Agricultural Machinery Co., Ltd. (72) Inventor Masahiro Takemoto 1 Yakura, Tobe Town, Iyo County, Ehime Prefecture, Engineering Department, Izeki Agricultural Machinery Co., Ltd. (72) Tamaki Kubo 1 Yakura, Tobe-cho, Iyo-gun, Ehime Prefecture, Technical Department, Iseki Agricultural Machinery Co., Ltd. (72) Inventor, Kaju Ishiyama 1-Yakura, Tobe-cho, Iyo-gun, Ehime Prefecture, Technical Department, Iseki Agricultural Machinery Co., Ltd. (72) Hiroshi Suzuki, Tobe-cho, Iyo-gun, Ehime Prefecture No. 1 Yakura, Engineering Department, Iseki Agricultural Machinery Co., Ltd. (72) Inventor Hiroshi Fumata No. 1 Yakura, Tobe Town, Iyo-gun, Ehime Prefecture

Claims (1)

[Claims] 1. A planting device 31 for transplanting soil-grown seedlings to a field.
And a main carrier device 30 that sends the soil-grown seedlings placed at equal intervals to the planting device 31 side and continuously supplies them to the planting device 31 at a constant interval, and the planting device 31 that seeds the soil-grown seedlings of the same type. It is equipped with a sub-transport device 36 that is sent to the side and supplied to the planting device 31 each time it is needed, and when one of the equally spaced seedlings sent by the main transport device 30 is missing and an attempt is made to open the above-mentioned feeding interval, A seedling planting device provided so as to supply the seedlings of the carrier device 36 to the planting device 31.