JPH06276821A - Seedling supplying apparatus for riding-type transplanter - Google Patents

Abstract

PURPOSE:To provide a seedling supplying mechanism of a riding-type transplant er enabling a driver to easily supply a reserve seedling from a seedling holding table at the side above a road. CONSTITUTION:Seedlings are loaded in multiple rows in lateral direction at the rear part of a machine body of a riding-type mobile machine 1 and the seedlings are separated and transplanted to the field under the machine with a multiple-row seedling transplanter 12 at the rear end of each seedling row. A rotary arm 22 rotatable around a laterally directing axis is placed at the right and left sides of the front part of the mobile machine body 4, a holding tool 27 for holding a seedling supplying frame 29 to hold feeding seedlings is attached to the tip end of the arm 22 and the arm is moved with a forced moving apparatus from the front side of the machine body to a position above the seedling transplanter 12 at the back of the machine body.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seedling replenishing device for a riding type rice transplanter, a riding type vegetable transplanting machine or the like capable of large-scale multi-row transplantation.

[0002]

2. Description of the Related Art Conventionally, as disclosed in Japanese Unexamined Patent Publication No. 61-195611, a pair of left and right arms which are rotated by a hydraulic device are provided on the body of a riding type rice transplanter, and a seedling replenisher is provided at the tip of this arm. Those equipped with were known.

[0003]

In the above-mentioned prior art, when replenishing seedlings, it is necessary to transfer the seedlings one by one to the seedling replenishing device equipped integrally with the arm.
Replenishment work was troublesome.

[0004]

The present invention takes the following technical means in order to solve the above-mentioned problems. That is, seedlings are mounted in multiple rows in the left-right direction on the rear part of the body of the passenger-carrying vehicle 1, and the separated seedlings are transplanted into the lower field while separating the seedlings at the rear end side of each seedling row. In the riding-type transplanter equipped with the multi-row seedling transplanter 12,
On the left and right sides of the front part of the, a rotating arm 22 is provided which is rotatable around an axis extending in the left-right lateral direction, and a seedling supply frame 29 for mounting a supplied seedling is provided on the tip side of this arm 22. A seedling replenishing device for a riding type transplanter is provided, which is provided with a holder 27 for holding the arm 22 and provided with a forced actuation device for operating the arm 22 above the seedling transplanter 12 from the front of the fuselage to the rear of the fuselage.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS 1 is a passenger type traveling vehicle, and a column for supporting a steering handle 5 on a front upper portion of a vehicle body 4 provided with a pair of left and right front wheels 2 and 2 for steering and a pair of left and right driving rear wheels 3 and 3. And a swelling frame 8 which also serves as an engine cover supporting a steering seat 7 is provided at the upper part of the front and rear intermediate parts. Further, a rear support column 9 serving as a support frame for the link mechanism is provided at the rear end. Incidentally, 10 is a front mission case.
Reference numerals 11 and 11 denote rear mission cases that are separated into left and right, and have a mechanism for driving the rear wheels.

Reference numeral 12 denotes a multi-row seedling transplanter, which is attached to the support column 9 through an elevating link mechanism 13. This transplanter 1
To describe 2 in detail, 14 is a gear box, which is composed of a main box part in the center of the left and right and a sub box part which is separated left and right at predetermined intervals and goes rearward, and at each rear end of the sub box part. The implanting tools 15 ... Attached to the rotating case are provided.

Reference numeral 16 is a seedling placing table, which is the gear box 1
It is provided on the upper part of 4 so that the rear side is inclined so that the rear side is in a lower position and moves laterally back and forth, and it is configured so that the multi-row seedling mats N can be placed side by side by partitioning to the left and right sides. Then, a seedling receiving frame 17 fixed to the sub gear box is extended in the left-right direction at the rear end of the seedling placing table 16, and the seedling mat N is received by this, and the transplanting is performed on the frame 17. A seedling dividing port through which the tool 15 intervenes is provided.

Reference numeral 18 is a leveling float, which is provided with a plurality of left and right predetermined intervals, and the rear side is pivotally attached to the gear box side so that the front side can move up and down freely. Reference numeral 19 denotes a fertilizer application device, which is integrally provided with a hopper 20 and a feeding device 21, and a transfer hose is connected to the lower side of the feeding device 21 to discharge the fertilizer into the intervals between the transplant rows and to apply the fertilizer. The fertilizer application device 19 is attached to the rear side of the traveling device 1.

Reference numeral 22 is a rotary arm, and in the embodiment, the arm is of a split type, and the arm 22a on the base side thereof is a vehicle body 4
It is fixed to a metal 24 that is rotatable around a shaft 23 that protrudes to the left and right. A lever 25 connected to a hydraulic device 26 is integrally attached to the metal 24, and the arm 22a is forcibly rotatable up and down by the hydraulic device 26. 26a is a hydraulic cylinder-2
6b shows a hydraulic piston.

The hydraulic device 26 and lever 25 are mounted on the vehicle body 4.
Is arranged below the left and right sides of the boarding floor 4a on the side, and for this reason, the left and right ends of the floor 4a are projected upward. The tip side arm 22b attached to the base side arm 22a can be inserted into and removed from the base side arm 22a formed in a tubular shape, and the insertion depth thereof can be adjusted and set by a pin. The overall length is adjustable. A holder 27 for holding the seedling supply frame is provided at the tip of the tip side arm 22b. In this holder 27, a shutter 27b that closes the opening of the U-shaped body 27a is linked with a lever by a wire 28 so that the shutter 27b can be appropriately opened and closed from the driver's seat side. A figure in which two stages of placing shelves 29b, 29b are bridged between the left and right side frames 29a, 29a, each of these shelves is divided into four left and right by front and rear partition bars, and a seedling mat N is placed in each section. In the example, it is configured so that eight seedling mats N can be accommodated. The seedling supply frame 29 is provided with a hole 31 in the upper part of the front and rear center part so that a rotatable balance bar 30 can be inserted and removed. Therefore, when the balance bar 30 is hung at two places on the left and right, the seedling supply frame 29 is always held in a balanced state. Further, the seedling supply frame 29 has notches on the upper and lower end surfaces of the left and right side frames 29a so that the left and right side frames 29a can be stacked vertically so that the left and right sides are not displaced.

Reference numeral 32 denotes a transfer carriage. Next, the operation of the above example will be described. When the seedling mat N mounted on the seedling placing table 16 is reduced during the planting work and it becomes necessary to replenish,
The vehicle body 4 is approached and stopped at the ridge which opposes the propulsion direction of the field, and the hydraulic device 26 is operated by the operation lever 33 to rotate the left and right arms 22 forward and downward to the front end of the arm. With the holder 27 attached to the side, the upper balance bar 30 of the seedling replenishment frame 29, which was previously transported by the transfer cart 32, was engaged with the road close to the field, and the shutter 28 was closed.
2 is rotated upward and transferred to the rear side, and stopped above the seedling placement table 16 of the transplanter in the state shown in FIG.

Next, the operator takes out the seedling mat N stored in the seedling supply frame 29 and supplies it to the seedling placing table 16 on the lower side. In this way, seedling supply can be performed very easily and efficiently by hooking the seedling supply frame 29 carried on the road with the holder 27 provided at the end of the arm and rotating it backward as it is.

A modified embodiment of the above example will be described.
In contrast to the above example in which the left and right arms 22 and 22 are simultaneously moved up and down by a single operating lever, the left and right arms 22 and 22 are operated by operating the left and right independent hydraulic devices 26 exceptionally.
If the configuration is such that the turning height state of the
If the holder 27 can hold the balance stick 30 even when the seedlings are tilted to the left or right or the seedling supply frame 29 on the road is tilted, a reliable holding function can be obtained. Further, if the holder 27 side is rotatably mounted, it is not necessary to operate the left and right arms 22, 22 independently.

Further, as shown in FIG. 8, a hydraulic cylinder mechanism 33S for expansion and contraction is provided in the middle of the arm 22 so that the arm 22 on one side or the arms 22, 22 on both left and right sides can be moved back and forth. By interposing it, the seedling supply frame 29 can be held even when the balance bar 30 is tilted back and forth. Also, the left and right arms 2
As shown in FIG. 9, when 2 and 22 are in a state in which the space on the tip end side in plan view expands, the space between the left and right holders 27, 27 can be widened to provide a stable holding function. Further, if the arm 22 does not block the upper surface of the floor 4a, the operator can freely walk on the floor 4a so that the arm 22 does not block the upper surface of the floor 4a. Becomes extremely convenient.

The left and right arms 22 and 22 are connected to each other in the front-rear direction by a connecting frame 34, and hooks 35 are provided at the left and right intermediate portions of the connecting frame 34 to suspend the fertilizer containing bag (fertilizer container). If comprised, the hopper of the fertilizer application device-2
The fertilizer can be easily supplied to zero. Seed supply frame 29
As for the supplementary explanation, since the position of the balance rod 30 is higher than the position of the center of gravity when the seedling N is mounted, when the balance rod 30 is lifted and moved, the center of gravity does not collapse and the seedling N does not drop. Absent.

Another embodiment of the carriage 32 for carrying the seedling supply frame 29 will be described with reference to FIGS. 10 and 11. When transporting seedlings from the nursery site to the field, if the distance is long, the trolley 3
2 is loaded onto the truck bed and transported. At this time,
It is required that the legs of the carrier 32 can bend so that it can be easily loaded on the bed of the truck. A carrier truck 32a, which is an example of a carrier truck that satisfies this requirement, has wheels 36, 36, 37, 3 at the four corners on the left, right, front, and rear, which can roll on the upper surface of the loading platform.
7 is supported. Then, a pair of left and right turning legs 38, 38, 39, 39 which are turnable around the front and rear support shafts or around appropriate shafts in the left and right direction provided in the vicinity of the support shafts are provided. Wheels 40, 40
41, 41 are mounted on the shaft, and the frame of the carriage 32a and the connecting horizontal frame 42 connecting the left and right rotating legs 38, 38 and 39, 39 are screwed and connected by a screw shaft 44 with a handle 43. By turning the handle 43, the turning legs 38, 38, 39,
39 is rotatably adjustable so that the height of the chassis can be freely adjusted, and the carriage 3 is mounted on the truck bed.
When loading the 2a, if the upper wheels 36, 36 on the tip side are placed on the upper surface of the loading platform and pushed on the loading platform while rotating the rotating legs rearwardly upward, the truck 32a can be easily loaded on the loading platform of the truck. It has a configuration that can. still,
Reference numeral 45 denotes a rod in which the front leg 38 and the rear leg 39 are interlocked. Further, symbols 46 and 46 in the drawings of the embodiments are the carriages 3.
The seedling supply frames 29, 29, 29 ... Are prevented from shifting to the left and right by inserting the balance bars 30 of the seedling supply frame 29 loaded on 2a from the left and right sides, and 47 is a left and right restriction frame. It is a pin that integrally connects 46 and 46. Further, the front-rear direction protruding portions 30a and 30b of the balance rod 30 serve as carrying handles.

The handle 48 shown in FIG. 11 drives the support shafts of the wheels 41, 41 attached to the rotating legs 39, 39. The handle 48 rotates the shafts of the sprockets 49a, 49b and chain 50. Is transmitted in. As a form of supplying the seedling mat N to the riding type transplanter, loading with a conveyor may be considered in addition to the above. As its embodiment, as shown in FIG. 12 and FIG. 13, a large number of rolling rollers 52 are provided between the left and right frames 51, 51, and a seedling box in which a seedling mat is grown is placed on the roller. It is configured to replenish from the ridges onto the vehicle body 4 while sliding. In this case, it is desirable that the roller conveyor 53 be folded at the front-rear intermediate portion and stored on the vehicle body 4 side. Further, when the front conveyor portion 53a is folded over the rear conveyor portion 53b,
Even when the seedlings are placed on the rear conveyor 53b, it is preferable that the seedlings are stacked with a gap L so that they are not pressed against each other. In the figure, 54 is a hydraulic cylinder device for folding, and 55 is a hydraulic cylinder device for tilting the conveyor.

After taking out the seedling mat N from the seedling box H and supplying it to the seedling placement table of the transplanter, the seedling box H must be returned to the road on the ridge side. It is optimal in terms of balance when placed on the vehicle body 4 on the opposite side. In this case, it is preferable that the U-shaped conveyor is arranged as shown in FIG. 15 in a plan view, and the conveyor 57 is also arranged at the rear portion of the seat. Further, as shown in FIG. 16 and FIG. 17, it is conceivable to arrange a return conveyor 56a for returning the empty seedling box H below the supply conveyor 53. In this case, the rear conveyor 57 can be omitted.

When taking out the seedling mat N from the seedling box H,
The seedling mat is often damaged, but in order to eliminate this, a plate 58 is laid on the bottom of the seedling box H to raise seedlings, and the bottom plate 58 is floated from the back side of the seedling box H. Good. In order to raise the surface, it is convenient to have a device as shown in FIGS. 18 and 19. That is, the seedling box H itself is provided with holes 59 at several places into which pins for pushing up the bottom plate 58 laid on the bottom surface can be inserted, and a platform 60 for supporting the seedling box H is provided.
, Are provided with holes through which the pins 61, 61, ... Penetrate upward, and the bases of these pins are attached to the bottom frame 62.
Is provided so as to be able to move up and down via a link 63, and the link 63 is driven by a rod 67 with a rack that is operated by a pinion 66 connected to the base of an arm 65 that rotates with a foot pedal 64, and the petal 64 is moved. When stepped on, the pin 61 is projected so that the seedling mat N can be floated upward together with the bottom plate 58 from the seedling box H and taken out. In addition, a stopper 68 is provided to regulate the lifting of the seedling box H due to the upward movement of the bottom frame 62. Reference numeral 69 indicates an interlocking rod. 70 is a support frame.

Further, as shown in FIG. 20, the bottom plate 58 is
When each seedling mat N is transferred by the conveyor 73, the floated seedling mat N may be configured to be pushed out to the conveyor side by the hydraulic device 71 for each bottom plate 58 in conjunction with the floating. The hydraulic pressure switching valve 72 is switched at the time when 61 is reliably pushed out, and the hydraulic device 7
The piston of No. 1 should start to project.
These devices for taking out the seedling mat N from the seedling box H are extremely convenient when working on the road beside the field, but these devices can also be mounted on the riding type vehicle body 4. Either form may be used.

[0021]

According to the present invention, when the seedling mounting table of the transplanter is replenished with seedlings, the seedling mat N carried on the road on the ridge side is hung up and easily mounted on the rear side of the vehicle body. Since it can be transferred to the seedling placing table of the machine, it is extremely easy and can be easily replenished.

[Brief description of drawings]

FIG. 1 is a side view of a partial cross section.

FIG. 2 is a partially cutaway plan view.

FIG. 3 is a front view of the main part

FIG. 4 is a side view of the main part.

[Figure 5] Slope view showing an example of a seedling supply frame

FIG. 6 is a plan view of the main part

FIG. 7 is a side view showing the operation.

FIG. 8 is a plan view of a main part of another example.

FIG. 9 is a plan view of a main part of another example.

[Fig. 10] Slope view of a dolly for carrying a seedling supply frame

FIG. 11 is a perspective view of an essential part showing an improved part of the bogie.

FIG. 12 is a side view of the main part of another example.

FIG. 13 is a simplified plan view of FIG.

FIG. 14 is a side view of a main part of another example.

FIG. 15 is a simplified plan view of FIG.

FIG. 16 is a side view of a main part of another example.

FIG. 17 is a simplified plan view of FIG.

FIG. 18 is a partial cross-sectional side view showing an example of a device for taking out seedlings from a seedling box.

FIG. 19 is a front sectional view of the main part of FIG.

FIG. 20 is a side view of a partial cross section showing an example of an apparatus for continuously extracting seedlings from a seedling box.

[Explanation of symbols]

 1 traveling vehicle 4 vehicle body 12 transplanter 22 turning arm 27 retainer 29 seedling supply frame

Claims (1)

[Claims] 1. A seedling is mounted on a rear portion of a vehicle body of a passenger-type traveling vehicle 1 in multiple rows in the left-right direction, and the seedlings are separated from each other in the lower field while being separated from each other at the rear end side. In a riding-type transplanter equipped with a multi-row seedling transplanter 12 for transplanting seedlings, a rotating arm 22 which is rotatable around an axis extending in the left-right lateral direction on both left and right sides of a front portion of the traveling vehicle body 4. A holding tool 27 for holding a seedling supply frame 29 on which a supplementary seedling is placed is provided on the tip side of the arm 22, and the arm 22 is located above the seedling transplanter 12 from the front of the machine to the rear of the machine. A seedling replenishing device for a riding-type transplanter, which is provided with a forced actuating device that operates in a position.