JP2001028913A - Sulky seedling transplanter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sulky seedling transplanter capable of preventing a risk of losing a footing when supplementing seedlings and enhancing the safety according to a simple constitution by installing guard units in specific positions. SOLUTION: This sulky seedling transplanter is obtained by mounting a seedling transplantation working machine equipped with each seedling-carrying platform on the rear side of a sulky mobile car body and further arranging a step on the upper side of front wheels 6 and rear wheels 7 of the sulky mobile car body. In the sulky seedling transplanter, guard units 25 located on the upper side of a step surface are arranged at the rear ends of the step. At this time, steps provided in the rear of a car body are arranged in positions at a higher level than that of the step installed at the front of the sulky mobile car body and the guard units 25 are preferably installed in the steps arranged in the positions at a higher level than that of the rear of the car body. The guide units 25 are preferably frame units provided at the left and right rear ends of the steps.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a riding type seedling planter.

[0002]

2. Description of the Related Art Conventionally, there is provided a riding seedling transplanter having a seedling transplanting machine mounted on a rear side of a riding traveling vehicle body, the riding traveling vehicle body having a pair of left and right front wheels and a pair of left and right rear wheels. And a stepping machine provided with a step on the upper side of the rear wheel, the stepping surface on the rear side of the step is provided higher than the stepping surface on the front side.

[0003]

When replenishing seedlings on the rear seedling table on the rear side of the riding traveling vehicle, the worker standing on the step surface in front of the step moves on the step surface on the rear side which is raised one step higher. By placing one foot, a stable posture can be taken, and a seedling replenishing operation can be performed in a comfortable posture. However, since mud is put on the step and mud adheres to the shoe sole of the worker, the foot may slip when moving on the step. Therefore, when the foot is placed on the left and right end portions of the step surface behind the step to replenish the seedlings as described above, there is a risk that the foot may be accidentally slid left and right and stepped off. In view of such a point, the problem of applying a safe means with a simple configuration so as to avoid stepping down as much as possible in the operation at the time of replenishing the seedlings is attracting attention as a development problem.

[0004]

According to a first aspect of the present invention, there is provided a seedling transplanting machine equipped with a seedling mounting table on a rear side of a riding traveling vehicle body. What is claimed is: 1. A riding seedling transplanter having a step above the front and rear wheels of a vehicle body, wherein a guard plant located above a step surface is provided at the rear end of the step. According to a second aspect of the present invention, the step provided at the rear portion of the vehicle body is arranged at a higher position than the step provided at the front portion of the riding vehicle body, and the step arranged at a higher position at the rear portion of the vehicle body has a guard. A third aspect of the present invention is a riding seedling-planting machine according to the first aspect of the present invention, wherein the guard is a frame provided at the left and right rear ends of the steps. A riding seedling transplanter according to claim 2, wherein
The invention described in the above is a riding seedling transplanter according to any one of claims 1 to 3, wherein the guard is provided on the rear side and the side of the left and right rear ends of the step.

[0005]

According to the first aspect of the present invention, a seedling transplanting machine equipped with a seedling mount is mounted on the rear side of the riding traveling vehicle body, and steps are provided above the front and rear wheels of the riding traveling vehicle body. In the above-described riding seedling machine, the guard is positioned above the step surface at the rear end of the step. When replenishing seedlings, a worker standing on a step can rest on the step surface at the rear end of the vehicle body to bring the body closer to the seedling table and take a stable and comfortable posture . At this time, even if there is mud on the step and the foot placed on the rear end of the car body may accidentally slide toward the outside of the car body, the rear end of the step There is a guard body located above, so that the slipped foot is received. Therefore, with a simple configuration, it is possible to prevent the risk of stepping off at the time of replenishing seedlings, and to enhance safety.

According to a second aspect of the present invention, the step provided at the rear of the vehicle body is arranged at a higher position than the step provided at the front of the vehicle body, and the step arranged at a higher position at the rear of the vehicle body. In this case, a guard is provided in the vehicle, so that the worker standing on the steps is stable when replenishing the seedling rest on the rear side of the riding vehicle body. In order to take the seedling replenishing operation in the posture, one foot is placed on a step arranged at a high position at the rear of the vehicle body. Then, the body can be brought close to the seedling mounting table and the seedling replenishing operation can be performed in a stable and comfortable posture. At this time, even if there is mud on the step located at the high position at the rear of the car body and your feet may accidentally slide toward the outside of the car body, it is located at the high position at the rear of the car body. The step has a guard so that the slipped foot can be received. Therefore, the seedling replenishment operation can be performed safely and in an easy posture with a simple configuration.

According to a third aspect of the present invention, there is provided the riding seedling transplanter according to the first or second aspect, wherein the guard is a frame provided at the left and right rear ends of the steps. In addition to the effects of the invention described in claim 1 or 2, the guard can be used as a handrail for supporting the body at the time of seedling replenishment work, and the seedling replenishment work can be performed with ease. Also, since there is a guard body composed of a frame that can be used as a handrail at a position relatively close to the seedling transplanting machine on the rear side of the riding traveling vehicle body and at a relatively high position, various operations can be performed with confidence.

According to a fourth aspect of the present invention, there is provided the riding seedling transplanter according to any one of the first to third aspects, wherein the guard body is provided on the rear side and the side of the left and right rear ends of the step. Therefore, in addition to the functions and effects of the first to third aspects of the present invention, various operations can be performed more safely.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to the drawings. The riding rice transplanter 1 is configured such that a seedling planting work machine 4 is mounted on a rear side of a traveling vehicle body 2 via an elevating link device 3 that operates to elevate and lower. Numeral 5 is a side-strip fertilizer, which has a horizontally long and integral hopper section 5a for accommodating fertilizer, and a fertilizer feeding section 5b... On the rear side, on the front side of the seedling mounting table 42 and on the rear step portion 21c, each fertilizer feeding portion 5b is connected to a fertilizing portion provided near each strip planting portion by a hose 5c. The fertilizer that has been fed from the fertilizer feeding sections 5b by the compressed air flowing through the hoses 5c is conveyed to the fertilizer application section and is subjected to side-row fertilization.
The left and right width of the fertilizer applicator 5 is mainly a horizontally long hopper-5.
a. The positions of the left and right ends of the fertilizer applicator 5 correspond to the planting devices 41.4 of the left and right ends of the seedling planting work machine 4.
1 are provided inside the left and right outer end positions.

The traveling vehicle body 2 comprises a pair of left and right driving and rotating front wheels 6.6 and a pair of left and right driving and rotating rear wheels 7.7.
It has. Further, a transmission 8 is disposed on the front side, and front wheel axle frames 9 are provided from left and right sides of the transmission 8.
9 is fixed, and the front wheel final cases 10 and 10 are connected to both ends of the frames 9 and 9, respectively.
Front wheel axle that protrudes outward from the bottom side
Is attached. The power in the mission 8 is the front wheel axle frame 9.9, the front wheel final case 10.
The front wheels 6, 6 are driven and rotated by the power transmission mechanism in the transmission 10. In addition, a frame 11
The front end of 11 is fixed. The rear ends of the frames 11, 11 are fixed to the lateral frame 12, and the center of the lateral frame 12 has a bearing at the center and the horizontal center of the rear wheel frame 13 at the left and right center. The rear wheel rolling shaft 13a fixed facing toward is fitted. Rear wheel gear cases 14, 14 are fixed to the left and right ends of the rear wheel frame 13, and the rear wheel gear cases 14
・ Rear wheels 7.7
Is attached. Therefore, mission 8 and frame
Body frame composed of a frame 11 and a lateral frame 12
Rear frame with the rear wheels 7, 7 attached to the
The roll 13 can be rolled around a rear wheel rolling shaft 13a. The power in the transmission 8 is transmitted from the rear side to the left and right rear wheel gear cases 14, 14 by the rear wheel transmission shaft 1.
The power is transmitted by 4a and 14a, and the rear wheels 7 are driven and rotated. Further, the power input to the mission 8 is performed by the frame 11
The first belt transmission 15 (15a: engine side pulley, 15a ': engine output shaft, 15b: hydraulic pump side pulley, 15b':
A hydraulic pump drive shaft, 15c: a transmission belt, is once transmitted to a hydraulic pump P fixed on the transmission 8, and then is continuously transmitted to an input shaft of the transmission 8 by a continuously variable second belt transmission 16 (16a: hydraulic pump). Side pulley, 16b: mission side pulley, 16b ': mission input shaft,
16c: Transmission belt. The pulley widths of both split pulleys 16a and 16b are reciprocally adjusted by the sub-transmission lever. ) Is transmitted so that the speed can be changed steplessly at high and low speeds. The alternator G attached to the engine E is connected to the third belt transmission 17 from the second output shaft of the engine E.
Powered by

By the way, auxiliary wheels 7 ', 7' for increasing the propulsion of the vehicle body and preventing settlement when the mud layer in the paddy field where the work is traveling are deep, are mounted outside the rear wheels 7, 7. Is available. Also, scrapers 70, 70 are provided below the rear ends of the left and right expanding steps 22a, 22a.
Is inserted between the auxiliary wheels 7 ', 7' and the rear wheels 7, 7. By the scrapers 70, 70,
Mud clogging between the auxiliary wheels 7 ', 7' and the rear wheels 7, 7 is scraped out to prevent loss of wheel drive horsepower due to mud rotation of the wheels.

The traveling body 2 has a front wheel 6 at its front.
A handle 18 for steering the vehicle 6 is provided. An upper side of the engine E is covered with an engine cover 19, and a seat 20 is mounted on the cover 19. Engine cover 19
The front end of the lower end of the cover is rotatably supported about an axis in the left-right direction, and is detachably mounted. When the maintenance of the engine E and its peripheral members is performed, the engine cover 19 can be turned around the support shaft at the front lower end of the cover to open the upper part of the engine E.

Further, a main step 21 is provided horizontally below the seat 20 and above and above the upper ends of the front wheels 6,6. This step 21 includes left and right step portions 21a on both sides of the seat 20 and the handle 18.
And a central step portion 21b connecting the left and right step portions on the front side of the seat 20. Further, a rear step portion 21 is provided on the rear side of the seat 20 near the upper part of the upper end of the rear wheels 7.
c is provided horizontally across the left and right so as to connect the rear ends of the left and right step portions. SL is a rear end portion of the left and right step portions 21a and a rear step portion 21c.
The left and right step portions 21a are provided on an inclined surface portion which is inclined rearward and upward from the rear side to the rear step portion 21c. Also, each step unit 21a
21a, 21b, and 21c are mounted so that each step surface is continuous. Then, the left and right step unit 21
A step mat made of synthetic rubber is laid on the a.21a and the rear step portion 21c. Each step unit 21a
21a, 21b, and 21c are each integrally formed of a synthetic resin. Also, each of the step units 21a, 21a
The order of removing the parts 21b and 21c (FIG. 6) is such that the central step part 21b is first removed, and then the left and right step parts 21a and 21a and then the rear step part 21c are removed in that order. Engine cover part 1
Numeral 9 is rotatable and detachable independently of attachment and detachment of each step portion.

The central step portion 21b is detachably attached without removing other step portions. The transmission case 8 and the hydraulic pump P are disposed below the central step portion 21b, and various operation connecting devices and power transmission devices 15 and 16 connected thereto are collectively disposed. Therefore, only by removing the central step portion 21b, various maintenances such as adjustment and repair of each portion arranged centrally under the central step portion 21b can be performed at a time. Further, since the central step portion 21b is divided into small parts, it is easy to remove and handle the central step portion 21b. In particular, when it becomes necessary to perform maintenance in a paddy field, the space for the removed central step portion 21b is provided. There is no problem (Fig. 4). In addition, left and right step portions 21a, 21a
Are separate from the central step portion 21b that is detachable during maintenance, and are integrally formed from the front end to the rear of the machine. When the operator frequently moves on the left and right step portions 21a (when getting on and off the machine or replenishing the seedling planting machine 4), the left and right step portions are integrally molded. It is safe because it is hard to cause sticking and steps.

The rear step portion 21c has its step surface provided at a position higher than the step surfaces of the left and right step portions 21a and 21a, and is provided horizontally horizontally across the left and right. At the time of replenishment, the worker can place one foot on an arbitrary position on the left and right on the rear step portion 21c, and can take a seedling replenishing operation in a stable posture, which is safe.

On the outer periphery of the main step 21, extended steps 22a, 22a and 22b are provided. Left and right expansion steps 22a and 22a are fixedly provided on the left and right outer sides of the left and right step parts 21a and 21a, and a rear expansion step 22b is fixed to the body behind the rear step part 21c. Each of the extended steps 22a, 22a, and 22b has a step surface made of a wire mesh so that the lower side can be seen through the step surface. Therefore, even if the step surface of the vehicle body is expanded, it is possible to prevent the lower part of the vehicle body from becoming difficult to see by the expansion. Also, the rear extension step 22
b is configured to be detachable as needed. 23 ・
Reference numeral 23 denotes a boarding step, which is used when getting on and off the step from the left and right sides of the aircraft. It is also possible to get on and off the step directly from the front of the aircraft.

The left and right expansion steps 22a have a front end extending above the front wheel axle and a rear end extending above the rear wheel axle (to the rear end position of the rear expansion step 22b). The front end of the left and right expanding step is connected to and supported by support frames 22'a, 22'a having a base fixed to the upper end of the front wheel final case 10, 10, and the rear end is a link base frame. The frame 31 is supported by a horizontally long support frame 22'b fixed to the upper end. The intermediate portion is supported by step supporting members 22'c having a base fixed to the frames 11 of the body. Further, the left and right expanding steps 22a, 22a include, from the front end to the rear end, an inclined portion S2 descending rearward from the front horizontal portion S1, a central horizontal portion S3 lower than the horizontal portion S1, and a further upward inclined portion. S4 and a rear horizontal portion S5 higher than the horizontal portions S1 and S3 are sequentially provided.
The step surface shape from the front end to the rear end of each of the left and right expansion steps 22a has a left and right step portion 21a.
(The left and right outer ends of the left and right step portions are bent downward and the lower ends of the bent portions) and are provided so as to be slightly lower than the lower ends of the left and right step portions. . Therefore, the left and right step portions 21a and 2
1a is once slid left and right outward and then pulled up to remove the left and right step portions 21a without interfering with the left and right extension steps 22a provided in plan view. It is slid outward (FIG. 5).

The step surface of the horizontal portion S3 at the center of the left and right expansion steps 22a
a · 21a is positioned lower than the step surface. This allows the operator to move the main step 21 from the left and right sides of the machine.
When getting on and off, it is possible to perform an operation of temporarily putting on a foot on the horizontal portion S3 at the lower central position to get on and off, and stable getting on and off is possible. In addition, the central horizontal portion S
Riding steps 23 are fixed to the lower side of the left and right outer ends of 3, and are provided to make it easier to ride.

The rearwardly inclined portion S4 of the left and right expanding steps 22a, 22a is formed by the inclined portion S4 and the central horizontal portion S3.
Is located behind the boundary position C1 between the horizontal step surface of the left and right step portions 21a and the inclined surface portion, so that the right and left ends of the seedling table 42 stand on the left and right step portions 21a and 21a. When replenishing seedlings on the strip side, the worker can step further on the rear side, so that the seedlings can be replenished in a stable posture. If one or more horizontal sections S6 are further provided on the inclined section S4, the worker can step further on the rear side to supply seedlings (FIG. 10).

The step surface of the horizontal portion S5 on the rear side of the left and right expanding steps 22a is the rear step portion 21.
c is positioned slightly higher than the step plane. Thereby, when replenishing seedlings to the seedling mounting table 42, the left and right step portions 2
The worker standing on the step surface of 1a / 21a puts one foot on the step surface of the rear step portion 21c on the rear side in order to take a seedling replenishing operation in a stable posture. Also, since the horizontal portion S5 on the rear side of the left and right expansion steps 22a provided on the left and right sides of the rear step portion 21c is higher, the foot slipped by the step is received. Therefore, the left and right expansion steps 22a, 22a
With the simple configuration that the step surface of the rear horizontal portion S5 is higher than the step surface of the rear step portion 21c behind the main step 21, there is no danger of stepping down when supplying seedlings. And increase safety.

The rear end of the horizontal portion S5 extends from the rear end of the rear step portion 22c to the rear side. Thereby, when supplying the seedlings to the left and right end studs 42-1 and 42-8 of the seedling mounting table 42, the worker can step further backward and workability is good. This is apparent even if the rear extension step 22b is removed. The left and right outer ends of the horizontal portion S5 are provided with a folding expansion step 24.
Numeral 24 is connected by a hinge having a pivot shaft in the front-rear direction, and is provided to be foldable inside the vehicle body. The fold-expansion steps 24, 24 are located in front of the seedling rest portions 42-1, 42-8 on both left and right ends of the seedling rest 42 during the extension,
The step surface is at the same level as the horizontal portion S5. Further, when the fertilizer applicator 5 is mounted on the rear step portion 21c, the extended folding and expanding steps 24 are located further outside than the left and right end positions of the fertilizer applicator 5 so that they can be put on the foot. Become a step. When the folding expansion steps 24 are folded, they are folded on the horizontal portion S5 on the rear side of the left and right expansion steps 22a so that the width on the left and right can be reduced.
Guard bodies 25 are fixedly provided on the outer sides of the folding and expanding steps 24. The guards 25 serve as a non-slip when the feet slide outward when the feet are placed on the folding and expanding steps 24 during supply of seedlings. When the folding and expanding steps 24 are not attached, the guard body 2
5 and 25 are attached to the outer end side of the horizontal portion S5 on the rear side of the left and right expansion steps 22a. In this case, the guard bodies 25 are handrails when an assistant (a person other than the aircraft operator) sits on the left and right expanding steps 22a with the rear horizontal portion S5 as a seat. Also. Also,
When the folding and expanding steps 24 are not attached, the left and right end positions of the fertilizer applicator 5 are located inside the left and right outer end positions of the left and right expanding steps 22a with a space that can be placed on the foot. The fertilizer applicator 5 configured as described above is mounted.

The left and right outer end positions of the left and right expanding steps 22a and 22a are slightly inward or identical so as not to be outside the outer end positions of the left and right outermost end strips of the transplanting devices 41 and 41 of the planting work machine 4. It is provided to be located at the position. By the way, the seedling mounting table 42 of the planting machine 4 has a seedling mounting section 42-1 and 42-8 on the left and right outermost end strips and support rails 43 'on both left and right ends.
Since 43 'is provided so as to be detachable or foldable, the maximum left-right width of the planting machine 4 after the folding is the left-right width determined by the transplanting devices 41, 41 of the left and right outermost end strips. Therefore, it is possible to provide the left and right expansion steps 22a and 22a as wide as possible without increasing the left and right width of the entire body.

The front end positions of the left and right expanding steps 22a are provided so as to be located on the front wheel axle. That is, since the left and right expansion steps 22a and 22a are not provided on the front side of the front wheel axle, the left and right width of the body front portion is configured to be narrowed to the left and right width of the main step 21. Therefore, when performing the various maintenances by removing the central step portion 21b of the main step 21, the worker standing on the ground can easily get on the body from both the left and right sides of the front of the body to the center of the body. As described above, the left and right expanding steps 22a can be provided as wide as possible without making the maintenance work in the center of the machine difficult.

The right and left expansion steps 22a and 22
a supporting frames 22'a and 22'a for supporting the front end of
The support frames 50b for the left and right spare seedling mounting frames 50
The base of 50b is fixed, and at the upper end of the frame 50b, the spare seedling stands 50a... Can rotate around a vertical rotation axis 50e '. During the normal operation, the spare seedling stands 50a are positioned above the front ends of the left and right expanding steps 22a, 22a in order to balance the weight of the body in the front-rear direction. However, as described above, when an operator enters the space in front of the front end of the left and right expansion steps 22a and 22a to perform maintenance of the central portion of the machine body, the spare seedling stands 50a at that position are in the way. Therefore, at this time, the spare seedling stands 50a may be rotated rearward.
If the outermost end positions of the spare seedling placing frames 50 are also set to the left and right outer end positions of the left and right expanding steps 22a, the left and right outer ends of the spare seedling placing frames 50 are not enlarged without increasing the overall lateral width of the body. A wide passage (passage when getting on and off from the front of the fuselage) on the left and right expanding steps 22a between the post cover 50 and the post cover 27 can be secured widely.

By the way, the seedlings T, which are taken out of the seedling box and rolled in the longitudinal direction of the seedlings, without providing the spare seedling mounting frames 50, 50, are provided.
Spare seedling storage boxes 60, 60 for storing a plurality of N ...
Are connected to support frames 22'a, 22'a for supporting the front ends of the left and right expansion steps 22a, 22a, and optional connection frames 26, 26 protruding to the left and right of the front end of the fuselage. The space may be extended between the memory 26a. Also, left and right expansion step 2
If the left and right widths of 2a and 22a are set to be substantially the same as the width W of the seedling in the lateral direction, a central horizontal portion S3 surrounded by a back-down inclined portion S2 and a back-up inclined portion S4. A plurality of the rounded seedlings TN can be placed on the top. Furthermore,
Also in the rear step portion, when the width in the front-rear direction of the horizontal plane is set to be substantially the same as the width W in the lateral direction of the seedling in combination with the rear expanding step 22b, the above-described rounded seedling TN is also provided there. Multiple sheets can be placed side by side.

Next, the structure around the handle will be described below. The lower side of the handle 18 is covered with a post cover 27,
A display panel for displaying various operating states is provided on the upper portion of the post cover 27. A main transmission lever and a rear wheel differential lock lever are provided on the left side, and an auxiliary transmission lever and an accelerator lever are provided on the right side thereof.
Are arranged. The operator can operate the steering wheel 18 while sitting on the seat 20 while easily changing the levers and visually confirming the operation of the levers. Note that a pedal operated by a driver's foot is provided on the lower rear side of the post cover 27, a clutch pedal is provided on the left side, and a rear wheel clutch / brake pedal is provided on the right side.

The lifting link device 3 is composed of frames 11
An upper link 32 and lower links 33 are rotatably attached to a link base 31 fixed to the rear side of the vehicle. A vertical link 34 is connected to the rear ends of these upper and lower links. A connecting shaft 40a fixed to the transmission case 40 of the seedling planting machine 4 is rotatably connected to a bearing projecting rearward from the lower end of the vertical link 34, and the seedling planting machine 4
Are mounted to be rotatable left and right with respect to the traveling direction. The base side of the hydraulic cylinder 35 is pivotally supported on a support member fixed to the frame 11, and the piston rod side is connected to the distal end of a swing arm 32 a extending downward integrally with the base of the upper link 32 via a spring. I have. Hydraulic cylinder 3
When the telescopic operation is performed, the elevating link device 3 is operated to elevate and lower.
The seedling planting machine 4 moves up and down. The hydraulic cylinder 35 is switched by a hydraulic valve 36.

The seedling planting work machine 4 has an eight-row planting configuration. First, the transmission case 40 is connected to the lifting link device 3 so as to freely roll left and right, and the transmission case 40 of the traveling body 2 is connected to the first planted transmission shaft 8a, the intermediate gear case.
8b, and is transmitted via the first planting transmission shaft 8c. The front portions of the planting transmission frames 40a, 40a extending rearward are connected to the left and right sides of the transmission case 40, and further connected to the left and right outer portions of the front portions of the planting transmission frames 40a, 40a. Right and left planting transmission frame 40 via pipes 40b
The front portions of c and 40c are connected. The four planting transmission frames 40a, 40a, 40c, and 40c are arranged side by side at predetermined intervals in the front-rear direction, and planting drive shafts 41a 'project from both rear end portions of each of the transmission frames. Its rotating shaft 41
A rotating case 41a of the planting device 41 is mounted on a 'so as to be driven to rotate (FIG. 8). Incidentally, in the drawing, PL1 to P
L8 indicates a planting line by each planting device 41.

The planting device 41 includes the planting drive shaft 41a '.
And a rotating case 41a connected to the
a of two planting tools 41b and 41b attached to both end sides
Consists of The planting tools 41b, 41b are a rotating case 41.
The tip of the fork-shaped seedling separating tool fixed to the planting tools 41b is rotated in the opposite direction to the rotation of the rotating case 41a by the transmission mechanism in FIG. It works like drawing. Thereby, the seedling mounting table 42 reciprocates left and right to sequentially supply the seedlings on the seedling mounting surfaces 42a to the seedling dividing ports 43c of the support rail 43, while the seedling separating tools of the planting tools 41b are moved. The seedlings supplied to the seedling take-out port are separated and held, and when they reach the field, the seedlings held by the seedling separating tool are pushed out by the seedling pushing mechanisms provided in the planting tools 41b and planted in the field.

The seedling mounting table 42 is provided so as to be inclined so that the front side is higher, and is supported on the back side of the seedling mounting surfaces 42a so as to be movable left and right. That is, engaging sliding contact members 42b fixed to the rear lower end of the seedling mounting surfaces 42a are attached to the left and right support rails 43 supported by the planting transmission frames 40a, 40a, 40c, and 40c. The seedling mounting surface 42 is slidably engaged.
a connecting pipes 40b and 4 fixed to the transmission case 40 in the concave portions of the U-shaped support frame 44 fixed to the rear upper side of.
Seedling stand supporting frame 40d · 4 with base fixed to 0b
Rollers 40e, 40e provided at the upper end of Od are engaged so as to freely roll left and right, and the seedling mounting table 42 is supported so as to be able to move left and right. Then, the transmission case 40 is placed on the seedling mounting table 42.
Both ends of a laterally moving rod 40e that reciprocates left and right by the left and right reciprocating mechanism are connected via connecting members 40e 'and 40e', and reciprocate left and right.

The seedling mounting table 42 is divided by a partition wall 42d at a boundary between the seedling mounting surfaces 42a, and the seedling mounting sections 42-1, 42-2, 42-3, 42 are provided for each row. -4
42-5, 42-6, 42-7, 42-8. In the seedling mounting table 42, the seedling mounting portions 42-2 to 7 for the inner six rows are integrally provided, and the seedling mounting sections 42-1 and 42-8 at the left and right ends are provided for the inner six rows. Seedling loading part 42
It is configured to be removable from -2 to 7.

A belt-type vertical seedling feeding device 45 is provided below each of the seedling mounting surfaces 42a of the seedling mounting table 42, and the seedling mounting table 42 moves in the left-right direction and the planting device. 41, after dividing and transplanting one row of the lower end portion of the seedling from the seedling dividing port 43c, the seedlings are transferred so that the lower row of the next lower row to be split and transplanted is positioned above the seedling dividing port 43c. A center float 48 and left and right side floats 49 are provided below the planting work machine 4. When each float is in contact with the mud surface of the field, a part of the weight of the body is received by the contact portion. Also, when the aircraft is advanced with each float in contact with the ground, the float slides while leveling the mud surface. The center float 48 is provided in such a shape as to level the planting position of the center two lines, and the left and right side floats 49, 49 are provided.
Are provided in such a shape as to level the planting positions of three right and left strips. In addition, the inside portion 4 of the long leveling portion 49a, 49a, 49b, 49b long before and after the left and right side floats 49, 49
9a and 49a are arranged on the rear side of the rear wheel 7.7.
Leveling is surely done at 9a and 49a. In addition, the left and right side floats 49, 49
The outer portions 49b of the 49b 49b are connected to the rear wheels 7.7.
Are arranged behind the auxiliary wheels 7 'and 7' which are additionally attached to the outside of the vehicle, so that the wheel traces of the auxiliary wheels 7 'and 7' can be surely leveled by front and rear long outer leveling portions 49b and 49b. You. The center float 48 is also a sensor for detecting unevenness in a field scene, and the hydraulic valve 28 is operated in accordance with the vertical movement of the sensor float 48. That is, when the center float 48 moves upward, the hydraulic valve 36 is operated in a direction to extend the hydraulic cylinder 35, and when the center float 48 moves downward, the hydraulic valve 36 is operated in a direction to contract the hydraulic cylinder 35.

Reference numeral 50 denotes a spare seedling mounting table, and the planting work machine 4
The seedlings to be replenished are placed on the seedling frame 50a in a plurality of stages.
Are rotatably provided on the support frames 50b. Specifically, the seedling frame supporting members 50a ', which support the seedling frames 50a from below, are fixed to the seedling frame 50a.
a. Seedling frame frame supporting horizontally horizontally at predetermined intervals
A rotating shaft 50e 'is secured to one end of a rotating frame 50e fixed to the lower end of the frame 50d... With its axial center directed downward. The rotation shaft 50e 'is rotatably fitted to a bearing provided on the upper part of the support frame 50b. Also,
A pedal 50f is mounted on the base side of the support frame 50b so as to be slightly higher than the step surface of the main step 21 so as to be able to rotate up and down. This pedal 50f
A pivot locking rod 50g is pivotally attached to the pivot frame 50, and the upper side of the rod 50g is slidably fitted into a rod hole provided in a support plate 50c fixed to the pivot frame 50e. Have been. A spring 50 is provided between the supporting plate 50c and the washer 50g 'fixed to the tip of the rod 50g.
h is urged in the direction in which the rod 50g moves upward. On the other hand, the rotating frame 50e includes a rotating shaft 50.
A disk-shaped rotation lock plate 50i is fixed so as to be at the same center as the axis of e '. A plurality of lock holes are provided at predetermined positions in the rotation lock plate 50i, and the rotation of the rotation frame 50e is locked when the tip of the rod 50g is engaged with the lock holes. . When rotating the seedling frame 50a to another position and locking it, if the operator steps on the pedal 50g with the foot, the rod 50g moves down and the lock hole is disengaged from the distal end of the rod 50g. The rotation lock of the rotation frame 50e can be released.
The rotation lock position is such that at least the position of the seedling frame is, in plan view, the left and right side position of the handle 18 and the rearward rotation from that position, and the left and right step portions 21a near the seat 20.
-It is provided so that it may be located above 21a. During planting and running, the seedling frame position is set to the left and right sides of the handle 18 from the front-rear balance of the body and the livability on the steps. The position is above the portions 21a.
Numeral 50j is a frame for storing a seedling collecting plate P for scooping seedlings from a seedling box (FIG. 9).

Numerals 51, 51 are provided on both the left and right sides of the front of the fuselage. The markers are positioned above the already-seeded seedlings of the adjacent streaks so that they can be planted. Is set at a predetermined interval between the seedlings of the seedling and the adjacent seedling.

[Brief description of the drawings]

FIG. 1 is a side view of a riding rice transplanter.

FIG. 2 is a plan view of the riding rice transplanter.

FIG. 3 is a plan view showing a state in which the lateral width of the riding rice transplanter is reduced.

FIG. 4 is a plan view showing the riding traveling vehicle body with a central step portion of a main step removed.

FIGS. 5A and 5B show a configuration in which left and right step portions of a main step are removed. FIG. 5A is a perspective view of a passenger traveling vehicle body, and FIG.

FIG. 6 is a plan view showing a removal configuration of a main step.

FIG. 7 is a plan view showing a transmission configuration of a riding traveling vehicle body.

FIG. 8 is a plan view showing a configuration of a transmission frame of the seedling planting machine.

FIG. 9 is a front view showing a configuration of a rotary type spare seedling frame.

FIG. 10 is a side view showing another embodiment of the left and right expanding step.

FIG. 11 is a perspective view showing that a rounded seedling is stored in a seedling storage box.

FIG. 12 is a side view showing a state where a rounded seedling is placed on an expansion step or the like.

13 shows a scraper, (a) is a side view, (b)
FIG.

[Explanation of symbols]

 1: Riding rice transplanter 2: running vehicle 3: lifting link device 4: seedling planting machine 45: fertilizer 21: main step 22a: left and right step section 22b: central step section 21c: rear step section 22: extension step 22b : Rear extension step

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Masaru Nomura 1st Hachikura, Toze-cho, Iyo-gun, Ehime Prefecture Iseki Agricultural Machinery Co., Ltd. Within the department (72) Inventor Rihiki Seike 1-Yakura Hachikura, Tobe-cho, Iyo-gun, Ehime Prefecture, Iseki Agricultural Machinery Co., Ltd. Person, Hisashi Kamiya, 1-Yakura, Tobe-cho, Iyo-gun, Ehime Prefecture, Iseki Agricultural Machinery Co., Ltd.

Claims (4)

[Claims] 1. A riding seedling machine equipped with a seedling transplanting machine equipped with a seedling mounting table at a rear side of a riding traveling vehicle body and having steps provided above a front wheel and a rear wheel of the riding traveling vehicle body. A guard body located above the step surface at the rear end of the vehicle. 2. A method according to claim 1, wherein the step provided at a rear portion of the vehicle body is higher than a step provided at a front portion of the vehicle body, and a guard member is provided at a step positioned at a higher position at the rear portion of the vehicle body. The riding seedling transplanter according to claim 1, wherein the seedling is provided. 3. The riding seedling transplanter according to claim 1, wherein the guard is a frame provided at the left and right rear ends of the steps. 4. A riding seedling-planting machine according to claim 1, wherein said guards are provided on the rear side and lateral sides of the left and right rear ends of the step.