JPH0965719A - Rice transplanting machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable simultaneous feed of paste fertilizer with the transplanting operations and make the seedling-transplanting unit switchable between the working posture and the idling posture, as the fertilizer applicator and the fertilizer tank are connected to the transplanting unit and the self-propelled machine body, respectively. SOLUTION: The seedling transplanter 10 is divided into the left part 10L and the right part 10R and they are connected through a freely swingable connection frame 8 to the supporting frame 5a of the linking mechanism 5 so that the divided parts 10L and 10R may be switched between the working connection posture in the lateral direction to the machine body and the idling connection posture in the front and rear direction. These left and right parts are equipped with fertilizer applicator 22 for feeding paste fertilizer to the crop field, the fertilizer pumps 21A or 21B for feeding the fertilizer to the applicator 22 and the fertilizer pumps 21A and 21B are connected through the flexible hose 27 to one or both of a pair of' the fertilizer tanks 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention comprises a seedling planting device comprising a plurality of seedling planting mechanisms and a pair of left and right split seedling planting device portions having a seedling platform for feeding seedlings to these seedling planting mechanisms. Then, the plurality of seedling planting mechanisms of each of the pair of split seedling planting device portions are arranged side by side in the lateral direction of the self-propelled vehicle, and the pair of split seedling planting device portions are arranged in the lateral direction of the self-propelled vehicle. In the state where the seedling planting device is connected to the rear part of the self-propelled machine so that it can be moved up and down, and the plurality of seedling planting mechanisms of each of the pair of divided seedling planting device parts are self-propelled machines. Side by side in the front-back direction, the pair of divided seedling planting device parts are arranged side by side in the lateral direction of the self-propelled machine so that the seedling planting device can be switched to a non-working state in which it is connected to the rear part of the self-propelled machine. When transporting the machine, fold the seedling planting device to a width narrower than during work. About rice planting machine has made it possible to narrow the width of the entire body in sputum.

[0002]

2. Description of the Related Art In the case of the above rice planting machine, conventionally, a fertilizer applying means for supplying paste fertilizer has not been provided.

[0003]

In the conventional rice transplanter described above, it was necessary to perform the fertilization work separately from the seedling planting work in order to supply the paste fertilizer to the planting seedlings. An object of the present invention is to prevent the labor required for switching the posture of the seedling planting device between working and non-working from increasing,
It is to provide a rice transplanter capable of planting seedlings and supplying paste fertilizer at the same time.

[0004]

According to the first aspect of the present invention,
In order to achieve the purpose, in the rice planting machine described at the beginning, a fertilizer application that attaches a pair of fertilizer tanks for paste fertilizer to the self-propelled machine body and supplies paste fertilizer to the field to each of the pair of split seedling planting device portions. And the fertilizer application attached to one of the pair of divided seedling planting device portions of the divided seedling planting device portion to the fertilizer tank of the pair of fertilizer tanks via a flexible hose paste fertilizer Is connected so that the fertilizer application device attached to the other split seedling planting device portion of the pair of split seedling planting device portions is provided with a flexible hose to the other fertilizer tank of the pair of fertilizer tanks. It is characterized in that the connection is made so that the paste fertilizer is supplied through.

The operation of the invention according to claim 1 is as follows. Work while supplying fertilizer from the fertilizer tank to the fertilizer applicator. Then, the seedling planting mechanism carries out seedling planting, and at the same time, the fertilizer application equipment supplies the paste fertilizer to the field. When switching the connection posture of the split seedling planting device part from working to non-working or switching from non-working to working, the flexible hose is free according to the posture change of the split seedling planting device part. The whole seedling planting device can be switched from working to non-working or from non-working to working without any problem while the fertilizer tank and the fertilizer applicator are still connected.

In order to achieve the object, the invention according to claim 2 is, in the rice transplanter described at the beginning, a fertilizer tank for paste fertilizer is attached to the self-propelled machine, and the paste fertilizer is connected to the fertilizer tank through the fertilizer supply passage. And a fertilizer application for supplying the paste fertilizer from the fertilizer tank to the field is attached to each of the pair of divided seedling planting device portions, and the divided seedling planting device portions are connected to each other. The fertilizer supply path is provided with a fertilizer supply path along the swingable connection frame that is connected to the support frame of the traveling body in a freely changeable attitude, and the shaft is the same as or substantially the same as the swing axis of the connection frame. The fertilizer supply path portion is provided with a connecting portion that is rotatable around the core.

The operation of the invention according to claim 2 is as follows. Work while supplying fertilizer from the fertilizer tank to the fertilizer applicator. Then, the seedling planting mechanism carries out seedling planting, and at the same time, the fertilizer application equipment supplies the paste fertilizer to the field. When switching the connection posture of the split seedling planting device part from working to non-working or switching from non-working to working, the fertilizer supply path part is connected to the connecting part due to the swinging of the connecting frame. Can be freely rotated, and the whole seedling planting device can be switched from working to non-working or from non-working to work without any problem while the fertilizer tank and the fertilizer applicator are connected by the fertilizer supply path.

[0008]

An embodiment of the invention according to claim 1 will be described. As shown in FIG. 1, the front wheel 1 and the rear wheel 2 are drivable, and at the rear part of the self-propelled machine body having the preliminary seedling placing table 3 and the fertilizer tank 4 located on both sides of the engine bonnet. The link mechanism 5 is provided so as to be swingable up and down by the lift cylinder 6, and the seedling planting device 10 is connected to the free end side of the link mechanism 5, and the self-propelled body is connected via the rotary shaft 7. Power is transmitted to the seedling planting device 10. Fertilization pumps 21A, 21 located above the seedling planting mechanism 12 of the seedling planting apparatus 10.
B. The seedling planting device 10 is provided with a fertilizer application device 20 that has a fertilizer application tool 22 projecting downward from the grounding float 14 of the seedling planting device 10 and that supplies the paste fertilizer from the fertilizer tank 4 near the planted seedlings. Together with seedling planting device 10
Is configured to transmit power from the fertilizer application device to the fertilizer application device 20 to configure a rice planting machine with a riding type fertilizer application device.

As shown in FIG. 2, the seedling planting device 10
Is connected to a support frame 5a located on the free end side of the link mechanism 5 so that the link mechanism 5 can be moved up and down with respect to the self-propelled body by the swinging operation of the link mechanism 5 by the lift cylinder 6.

As shown in FIGS. 2 and 3, the seedling planting device 10 includes a divided seedling planting device portion 10L connected to the left end side of the support frame 5a through a connecting frame 8 and the support frame 5a. It is divided into a pair of left and right divided seedling planting device portions 10L and 10R with a divided seedling planting device portion 10R connected to the right end side via a connecting frame 8. In each of the pair of left and right split seedling planting device portions 10L and 10R,
A frame portion 11A connected to the support frame 5a via a connecting frame 8, a transmission case portion 11B connected to the frame portion 11A, and a transmission case portion 11B.
And a planting frame 1 comprising a planting drive case portion 11C connected to the frame 11A.
1. Four seedling planting mechanisms 12, which are movably attached to the rear end side of the planting drive case portion 11C and arranged in the lateral direction of the planting frame 11, mounted on the upper side of the planting frame 11. A seedling sliding guide rail 13a having four seedling supply ports for separately supplying seedlings to the seedling planting mechanism 12 ...
The seedling planting mechanism 12 is attached to the upper side of 1 so as to slide along the seedling sliding guide rail 13a.
The seedling placing table 13 is configured to place the mat-like seedlings to be supplied to. Left split seedling planting device part 10L
1 attached to the underside of the planting frame 11
Two grounding floats 14 are provided, and two grounding floats 14 attached to the lower side of the planting frame 11 and arranged in parallel in the lateral direction of the planting frame 11 are provided on the right divided seedling planting device portion 10R. It is prepared. The transmission case portion 11 is provided on the split seedling planting device portion 10L on the left side.
B and the frame part 11A are rotatably mounted and are configured to be driven to rotate in association with the driving of the seedling planting mechanism 12, and a horizontal feeding shaft 15a of the seedling mounting table which rotates, It is reciprocally moved in the lateral direction of the planting frame 11 by the feed shaft 15a and engages with the spiral groove of the seedling table horizontal feed shaft 15a so as to reciprocate the seedling table 13 and is integrally movable to the back side of the seedling table 13. A seedling platform horizontal feed member 15b connected to the seedling platform laterally configured to reciprocally transfer the seedling platform 13 in the lateral direction of the planting frame 11 in conjunction with the seedling planting movement of the seedling planting mechanism 12. A feeding mechanism 15 is provided.

As shown in FIGS. 2 to 5, the connecting frame 8 connecting the left divided seedling planting device portion 10L to the support frame 5a and the right divided seedling planting device portion 10R.
The connecting frame 8 connecting the supporting frame 5a to the supporting frame 5a.
And the connection shaft 16 to the support frame 5a.
Is rotatably connected by means of a connecting shaft 17 to a bracket 11a fixed to the frame portion 11A. The connecting shaft 17 in the split seedling planting device portion 10L on the left side is attached to the bracket 11a.
And the connecting shaft 16 on the left end side of the support frame 5a.
And a chain sprocket 18a non-rotatably fixed to the upper end of the connecting shaft 17, and a chain sprocket 18b non-rotatably fixed to the upper end of the connecting shaft 16. A chain 18c is wound around the. The connection shaft 17 in the right split seedling planting device portion 10R is supported by the bracket 11a, and the connection shaft 16 on the right end side of the support frame 5a is non-rotatably supported by the support frame 5a. A chain sprocket 18a non-rotatably fixed to the upper end of the chain and a chain sprocket 18b non-rotatably fixed to the upper end of the connecting shaft 16.
A chain 18c is wound around the. The connecting shafts 1 on the left end side and the right end side of the support frame 5a, respectively.
6, an interlocking plate 19a disposed above the chain sprocket 18b is rotatably attached, and the interlocking plate 19a on either the left or right side is attached to the connecting frame 8 by an interlocking rod 19b that also serves to suspend the connecting frame 8. It is configured to rotate together with the connecting frame 8 with respect to the support frame 5a by being connected, and the left interlocking plate 19a and the right interlocking plate 19a are interlocked by a pair of interlocking cables 19c, 19c to rotate. It is linked to do. As a result, as shown in FIG. 3, the divided seedling planting device portions 10L, 10
The R seedling platform 13 is moved to one end of the seedling sliding guide rail 13a, and the split seedling planting device portions 10L, 10
The input shaft 11b included in each of the transmission case portions 11B of the R is separated from the connecting mechanism 7a included in the rotary shaft 7, and the divided seedling planting device portion 10 on either the left or right side is separated.
The L or 10R is rotated about the axis 17a of the connecting shaft 17 in the vertical direction of the machine body. Then, the planting frame 11 has the axis 17 of the connecting shaft 17 with respect to the connecting frame 8.
While rotating around a, the connecting frame 8 is rotated around the axial center 16a of the connecting shaft 16 in the machine body vertical direction with respect to the support frame 5a by the action of the chain 18c. Then, the turning power of the connecting frame 8 of the split seedling planting device portion 10L or 10R that is being rotated is the interlocking rod 19.
b, the interlocking plate 19a and the interlocking cable 19c interlock to transmit to the other divided seedling planting device portion 10R or 10L, and the connecting frame 8 of the divided seedling planting device portion 10R or 10L is connected to the support frame 5a. While rotating about the axis 16a of the shaft 16, the planting frame 11 is connected to the connecting frame 8 by the connecting shaft 17
It rotates around the shaft center 17a. For this reason, the connection posture of the split seedling planting device portion 10L or 10R on either the left or right side with respect to the self-propelled aircraft is switched between the working posture shown in FIGS. 1 and 2 and the non-working posture shown in FIGS. 3 and 4. When operated, in conjunction with this, the other split seedling planting device portion 10R
Alternatively, 10L is switched to the same work and non-work.

As shown in FIG. 2, when the divided seedling planting device portions 10L and 10R on either the right or left side are in the connecting posture for work, a plurality of seedling planting mechanisms of the divided seedling planting device portions 10L and 10R are provided. 12 are arranged side by side in the lateral direction of the self-propelled machine, the lateral width direction of the seedling stand 13 is the lateral direction of the self-propelled machine, and the front-back direction of the grounding float 14 is the front-back direction of the self-propelled machine. The planting device portion 10L and the right divided seedling planting device portion 10R are arranged in the lateral direction of the self-propelled vehicle, and the input shafts 11 of the respective divided seedling planting device portions 10L and 10R are arranged.
By connecting b to the connecting mechanism 7a and connecting the seedling mounting bases 13 of both the divided seedling planting device portions 10L and 10R so as to be integrally slidable by a connecting means (not shown), both divided seedling planting parts can be slid. The seedling planting mechanism 14 of the attaching device portions 10L and 10R can be driven, and the seedling placing bases 13 of the split seedling planting device portions 10L and 10R can be seeded by the seedling placing mechanism traverse mechanism 15. It becomes possible to reciprocate in conjunction with exercise. As shown in FIG. 3, when the divided seedling planting device portions 10L and 10R on either the left or right side are in the non-working connection posture, the plurality of seedling planting mechanisms 12 of the divided seedling planting device portions 10L and 10R respectively are operated. Parallel to the front-back direction of the self-propelled aircraft, both split seedling planting device parts 10L, 10
As shown in FIG. 10, the seedling stand 13 of R is in the front-back direction of the self-propelled aircraft with the back sides facing each other, and the front-rear direction of the grounding float 14 is in the lateral direction of the self-propelled aircraft. The attaching device portion 10L and the right divided seedling planting device portion 10R are arranged side by side in the lateral direction of the self-propelled aircraft. For this reason, the rice planting machine can be operated by the seedling planting device 10 by placing the divided seedling planting device portions 10L and 10R in the working connection posture.
It is for work like planting a row of seedlings. That is,
The seedling planting device 10 cultivates the field mud with each grounding float 14, cuts and takes out one block of seedlings from the mat-like seedlings of the seedling placing table 13 by each seedling planting mechanism 12, and lands with the grounding float 14. Be in a position to perform planting work as if to plant it in a place. Then, by placing the two divided seedling planting device portions 10L and 10R in the non-working connecting posture, the rice transplanter can be used for non-working in which the lateral width of the entire machine body determined by the lateral width of the seedling planting device 10 is narrower than during working. Become. The rod R shown in FIG. 2 and FIG. 3 is fixed to a predetermined connecting portion when the posture of the seedling planting device 10 is changed to fix the seedling planting device 10 for work or non-work. Is.

As shown in FIGS. 6 to 9, the fertilizer applicator 2
0 is arranged so that one seedling planting mechanism 12 of the seedling planting device 10 is located near each of the eight seedling planting mechanisms 12 ...
Equipped with eight fertilizer applicators 22 ... Consisting of fertilizer nozzles 22 ... that are distributed and attached to individual ground floats 14 ..., and supported by the planting drive case portion 11C of the left split seedling planting device portion 10L. First support frame 24a
Mounted on the second support frame 24b supported by the planting drive case portion 11C of the divided seedling planting device portion 10R on the right side. Only 5 said second
Fertilizer pump 21B ... And one second transmission 25B
Is provided. Each of the three fertilizers 22 ... Attached to the grounding float 14 of the split seedling planting device portion 10L on the left side of the eight fertilizers 22. The fertilizer supply hose 26 and the first fertilizer pump 2 which are separately connected to the discharge parts of the three first fertilizer pumps 21A.
1A, a tubular body 21a formed by connecting the respective fertilizer suction cylinders of the three first fertilizer pumps 21A in a communicating state, a pipe 29a connected to the tubular body 21a, and the pipe 29a, the pair of left and right fertilizer tanks 4, 4 of the fertilizer tanks 4 on the left side via the respective flexible hoses 27 connected to the fertilizer tank 4 on the left side of the self-propelled aircraft.
Connected to Of the eight fertilizer applicators 22 ..., Each of the five fertilizer applicators 22 ... Attached to the grounding float 14 of the divided seedling planting device portion 10R on the right side has five fertilizer applicators 22 ... The fertilizer supply hose 26, the second fertilizer pump 21B, and the second fertilizer suction cylinders of the five second fertilizer pumps 21B, which are separately connected to the discharge portions of the five second fertilizer pumps 21B, are connected in a communicating state. The tubular body 21b, the pipe 29b connected to the tubular body 21b, and the pipe 29b.
Is connected to the fertilizer tank 4 on the right side via each of the one flexible hose 27 connected to the fertilizer tank 4 on the right side of the self-propelled body of the pair of left and right fertilizer tanks 4, 4. I am doing it. The first transmission 25A inputs the rotational force of the transmission shaft 28 extending from the planting drive case portion 11C of the left split seedling planting device portion 10L by a transmission chain 29 to input two transmission levers 25a,
It is configured such that the rotational force of the rotational speed changed according to the gear ratio of the gear set by the gear shift operation by 25a is transmitted to the respective input shafts of the three first fertilization pumps 21A by the chain. The second transmission 25B inputs the rotational force of the transmission shaft 28 extending from the planting drive case portion 11C of the right split seedling planting device portion 10R by the transmission chain 29, and the two transmission levers 25b,
It is configured such that the rotational force of the number of revolutions changed according to the gear ratio of the gear set by the gear shift operation by 25b is transmitted to the respective input shafts of the five second fertilizer pumps 21B by the chain.

That is, when the seedling planting apparatus 10 is set to the working connection posture, the eight fertilizer application devices 22 ... of the fertilizer application device 20 are self-propelled in such a position that they are located near the respective seedling planting mechanisms 12. Parallel to the lateral direction of the aircraft. And the first fertilizer application pump 21A
Is driven by the rotational force transmitted from the left split seedling planting device portion 10L at a rotation speed set by the first transmission 25A, and the paste fertilizer stored in the left fertilizer tank 4 is flexible hose. The fertilizer 22 is supplied from the fertilizer tank 4 via 27 and is supplied to the fertilizer application 22 supported by the grounding float 14 of the left split seedling planting device portion 10L via the fertilizer supply hose 26. The paste fertilizer is supplied into the mud in the field. Second
The fertilizer application pump 21B is driven by the rotational power transmitted from the right split seedling planting device portion 10R at the rotational speed set by the second transmission 25B, and the paste fertilizer stored in the right fertilizer tank 4 can be applied. It is taken out from the fertilizer tank 4 through the flexible hose 27 and the fertilizer supply hose 2
It supplies to the fertilizer application 22 supported by the grounding float 14 of the right split seedling planting device portion 10R via 6, and the fertilizer application 22 supplies the supplied paste fertilizer into the mud of the field. Thereby, when performing the seedling planting work by the seedling planting device 10, at the same time as the seedling planting work, the fertilizer application device 20 supplies the paste fertilizer to each of the eight seedlings planted by the seedling planting device 10. You can When the rice transplanter is switched between working and non-working, the flexible hose 27 causes the split seedling planting device portion 1
The divided seedling planting device portions 10L, 10 are freely deformed by the turning force around the shaft cores 16a, 17a of 0L, 10R.
Fertilizer tank 4 and fertilizer application device 2 to enable rotation of R
Split seedling planting device portion 10L without disconnecting from 0,
Switching can be performed simply by rotating 10R.

Next, an embodiment of the invention according to claim 2 will be described. The fertilizer application device 2 has the same configuration as the embodiment of the invention according to claim 1 except for the structure in which the fertilizer application device 20 and the fertilizer tank 4 are connected, such as the self-propelled machine body and the seedling planting device 10.
Only the connection structure between 0 and the fertilizer tank 4 will be described.

As shown in FIGS. 11 and 12, a pair of flexible hoses 31, 31 respectively extended from the fertilizer outlets of the pair of left and right fertilizer tanks 4, 4 and these flexible hoses 31. , A single flexible hose 32 arranged so that one end side is connected to the extended end portion and the other end side is passed under the link mechanism 5 to reach the lower vicinity of the support frame 5a. The support frame 5a is connected to the hose 32 and is provided below the support frame 5a.
A pair of left and right distribution pipes 33a, 33b arranged along
Of the distribution pipes 33a and 33b, the left distribution pipe 33a located on the left end side of the support frame 5a is connected to the left distribution pipe 33a by a first connecting portion 34a, and is arranged below the connection frame 8 along the connection frame 8. Pipe 3
4, a flexible hose 35 connected to the second connecting portion 35a of the pipe 34 and connected to the tubular body 21a of the first fertilizer pump 21A, and the pair of left and right distribution pipes 33
Of the a and 33b, the pipe 36 is connected to the right side distribution pipe 33b located on the right end side of the support frame 5a by a third connecting portion 36a and is arranged below the connection frame 8 along the connection frame 8. , This pipe 3
The flexible hose 37 connected to the fourth connecting portion 37a of No. 6 and the tubular body 21b of the second fertilizer pump 21B, the first fertilizer pump 21A of the left side planting device portion 10L, and the fertilizer implement 22 A flexible hose 26 connected to
The left and right fertilizer tanks 4 and 4 are connected to the two fertilizer tanks 4 and 4 by the flexible hoses 26 that connect the second fertilizer pump 21B of the right-side seedling planting device portion 10R to the fertilizer implement 23.
A fertilizer supply channel 30 is connected to the fertilizer application devices 22 of 0L and 10R so as to supply fertilizer. As shown in FIG. 12, the first connecting portion 34a and the third connecting portion 36a.
Is a connection in which a pipe joint J1 attached to the pipe 34 or 36, a pipe joint J2 attached to the distribution pipe 33a or 33b, and both pipe joints J1 and J2 are connected so as to be rotatable relative to each other about an axis in the vertical direction of the machine body. It is formed by the pipe P1. The connecting shaft cores of both pipe joints J1 and J2 are arranged on the same or substantially the same shaft center 16a as the connecting frame 5a and the connecting frame 8 are connected to each other. Connection part 34a and third connection part 3
6a is a pipe 34 or 36 and a distribution pipe 33a or 3
3b makes it possible to relatively rotate about the same or substantially the same axis as the axis 16a. The second connecting portion 35a and the fourth connecting portion 37a are the pipe joint J3 attached to the pipe 34 or 36, the hose 35 or 37, respectively.
Is formed by a connecting pipe P2 that connects the hose joint J4 and both joints J3 and J4 attached to the above so as to be rotatable relative to each other around an axis in the vertical direction of the machine body. And both joints J
By disposing the connecting shaft cores of J3 and J4 on the same or substantially the same shaft core 17a connecting the connecting frame 8 and the frame portion 11A, the second connecting portion 35a and the second connecting portion 35a The 4-connector 37a enables the pipe 34 or 36 and the hose 35 or 37 to relatively rotate about the same or substantially the same axis as the axis 17a.

That is, the fertilizer application pumps 21A and 21B are suctioned to the take-out side of the fertilizer supply path 30 which is located on the tank side of the fertilizer application pumps 21A and 21B, and are located on the fertilizer application side of the fertilizer application pumps 21A and 21B. The paste fertilizer stored in both fertilizer tanks 4 and 4 is taken out from the fertilizer tank 4 by the flexible hose 31 by being discharged to the delivery side, and is merged by the flexible hose 32 so that the paste fertilizer is provided below the support frame 5a. Transfer. The seedling planting device portion 1 on the left side by the distribution pipes 33a and 33b at the location
The paste fertilizer distributed to 0L and the right side seedling planting device portion 10R, and to the left side seedling planting device portion 10L is pipe 34, flexible hose 35, first fertilizer pump 21A. , The flexible fertilizer 26 supplies the fertilizer tool 22 and the paste fertilizer distributed to the right side seedling planting device portion 10R is pipe 36, flexible hose 37, second fertilizer pump 21B, flexible hose. 26 to the fertilizer application device 22. When the seedling planting device 10 is moved up and down, the flexible hose 32 is freely deformed as the seedling planting device 10 is moved up and down. Both seedling planting device parts 10L, 10
When switching the connection posture of R, the left side planting device part 1
In the case of 0L, the pipe 34 and the distribution pipe 33a are the first connecting portion 34a, and the pipe 34 and the hose 35 are the second connecting portion 35.
a and each of them freely rotate relative to each other in accordance with the swinging motion of the connecting frame 8, and the pipe 36 and the distribution pipe 33b are the third connecting portion 36a in the right side seedling planting device portion 10R, and the pipe 36 and the hose. 37 and the fourth connecting portion 37a freely rotate relative to each other as the connecting frame 8 swings. That is, the fertilizer supply passage 30 is connected to the connecting portions 34a, 35a, 36.
A, 37a can bend freely. As a result, the seedling planting device 10 can be moved up and down and its posture can be switched while the fertilizer tank 4, the fertilizer application device 22 and the fertilizer application pumps 21A and 21B are connected.

The fertilizer application device 22 is a lateral fertilizer application device for supplying paste fertilizer to a relatively shallow area near the seedlings planted by the seedling planting mechanism 12. When the paste fertilizer is supplied to a relatively deep place, the three types of fertilizer structures A, B, and
C is considered.

That is, the first fertilization structure A among the fertilization structures A, B, and C has a plurality of fertilizer application tools 40a arranged therein, and two planting articles L, between the fertilizer application tools 40a.
The L is positioned. In this case, the amount of paste fertilizer to be supplied to the two-row planted seedlings is supplied from all fertilizer application devices 40a.

The second fertilization structure B of the fertilization structures A, B and C has a plurality of fertilizer applicators 40a and 40b arranged and two planting strips L, L between the fertilizer applicators 40a and 40b. L is located and both lateral outside fertilizer application tools 40b
Is located on the lateral outer side of the laterally outermost planting strip L. In this case, a plurality of fertilizer application tools 40a, 4
The fertilizer 40b on both lateral sides of 0b supplies the amount of paste fertilizer that should be supplied to one planting seedling, and the fertilizer 40 on the inside of the machine among the plurality of fertilizers 40a, 40b.
a will supply the amount of paste fertilizer that should be supplied to the two-row planted seedlings, and the fertilizer application tool 40b will supply the fertilizer at a supply amount of 1/2 of the supply amount by the fertilizer application tool 40a.

In the third fertilization structure C of the fertilization structures A, B and C, a plurality of fertilizer applicators 40a and 40b are arranged and three planting strips L ...
Is located between the fertilizers 40a and between the fertilizers 40a, and between the fertilizers 40a located at the center of the machine body and the fertilizers 40b on both sides of the fertilizer 40a. So that the planting strip L of is located. In this case, the fertilizers 40b on both lateral sides of the plurality of fertilizers 40a, 40b supply the amount of paste fertilizer to be supplied to one planting seedling, and the plurality of fertilizers 40a, 40b are supplied.
The fertilizer application tool 40a on the inner side of the machine in b supplies the paste fertilizer in the amount that should be supplied to the two-row planting seedlings, and the fertilizer application tool 40b has half the supply amount of the fertilizer application tool 40a.
The fertilizer will be supplied at the supply amount of.

[0022]

As described above, by allowing the fertilizer applying tool to supply the paste fertilizer while the seedling planting mechanism is performing seedling planting, the seedling planting work is performed at the same time as the paste fertilizer is planted. The workability is improved so that it can be supplied. In addition, since it is possible to change the connection posture of the split seedling planting device part with the fertilizer tank and fertilizer application connected, it is easy to disengage the seedling planting device without breaking the connection between the fertilizer tank and fertilizer applicator. It is also excellent in terms of operability so that it can be switched to work and returned to work.

It should be noted that although reference numerals are given in the claims for convenience of comparison with the drawings, the present invention is not limited to the configuration of the accompanying drawings by the entry.

[Brief description of drawings]

1 is a side view of the entire riding type rice transplanter with a fertilizer application device.

FIG. 2 is a plan view of a working state of the seedling planting device.

FIG. 3 is a plan view of the seedling planting device in a non-working state.

FIG. 4 is a plan view of the interlocking structure of the split seedling planting device portion.

FIG. 5 is an explanatory diagram of the interlocking operation of the divided seedling planting device portion.

FIG. 6 is a plan view of the fertilizer applicator in a working state.

FIG. 7 is a plan view of the fertilizer applicator in a non-working state.

FIG. 8 is a rear view of the fertilizer applicator in a working state.

[Figure 9] Side view of the seedling planting device

FIG. 10 is a rear view of the non-working state of the seedling planting device.

FIG. 11 is a plan view of a working state of the fertilizer application device.

FIG. 12 is a front view of a fertilizer supply channel portion.

FIG. 13 is an explanatory diagram of a deep fertilization structure.

[Explanation of symbols]

 4 fertilizer tank 8 connection frame 10 seedling planting device 10L, 10R split seedling planting device part 12 seedling planting mechanism 13 seedling platform 16a, 17a shaft core 22 fertilizer 27 flexible hose 30 fertilizer supply path 34a, 35a, 36a, 37a connection part

Claims (2)

[Claims] 1. A pair of left and right splits having a seedling planting device (10), a plurality of seedling planting mechanisms (12), and a seedling platform (13) for supplying seedlings to these seedling planting mechanisms (12). The seedling planting device parts (10L) and (10R), and the pair of split seedling planting device parts (10L) and (10R)
Each of the plurality of seedling planting mechanisms (12) is arranged side by side in the lateral direction of the self-propelled machine, and the pair of split seedling planting device portions (1
0L) and (10R) are arranged side by side in the lateral direction of the self-propelled machine, the seedling planting device (10) is connected to the rear part of the self-propelled machine so as to be vertically movable, and the pair of split seedlings. The plurality of seedling planting mechanisms (12) of the planting device portions (10L) and (10R) are arranged side by side in the front-back direction of the self-propelled vehicle, and the pair of split seedling planting device portions (10L), ( 1
0R) is arranged side by side in the lateral direction of the self-propelled machine, and the seedling planting device (10) is configured to be switchable to a non-working state in which it is connected to the rear part of the self-propelled machine. , A pair of fertilizer tanks (4) and (4) for paste fertilizer are attached to the self-propelled machine, and the pair of split seedling planting device portions (10L) and (10R)
Fertilizers for supplying paste fertilizer to the fields (2
2) is attached, and the fertilizer applicator (22) attached to one of the pair of divided seedling planting device portions (10L) and (10R) is attached to the pair of fertilizer tanks. (4), (4) is connected to one fertilizer tank (4) via a flexible hose (27) so that paste fertilizer is supplied, and the pair of split seedling planting device parts (10)
L) and (10R), the other divided seedling planting device portion (10
The fertilizer application device (22) attached to R) is fed to the other fertilizer tank (4) of the pair of fertilizer tanks (4) and (4) via a flexible hose (27) so that paste fertilizer is supplied. Rice planting machine connected to. 2. A pair of left and right splits having a seedling planting device (10), a plurality of seedling planting mechanisms (12), and a seedling platform (13) for supplying seedlings to these seedling planting mechanisms (12). The seedling planting device parts (10L) and (10R), and the pair of split seedling planting device parts (10L) and (10R)
Each of the plurality of seedling planting mechanisms (12) is arranged side by side in the lateral direction of the self-propelled machine, and the pair of split seedling planting device portions (1
0L) and (10R) are arranged side by side in the lateral direction of the self-propelled machine, the seedling planting device (10) is connected to the rear part of the self-propelled machine so as to be vertically movable, and the pair of split seedlings. The plurality of seedling planting mechanisms (12) of the planting device portions (10L) and (10R) are arranged side by side in the front-back direction of the self-propelled vehicle, and the pair of split seedling planting device portions (10L), ( 1
0R) is arranged side by side in the lateral direction of the self-propelled machine, and the seedling planting device (10) is configured to be switchable to a non-working state in which it is connected to the rear part of the self-propelled machine. A fertilizer tank (4) for paste fertilizer is attached to the self-propelled machine body, and the fertilizer tank (4) is connected so that paste fertilizer is supplied through a fertilizer supply path (30). A fertilizer application tool (22) for supplying the paste fertilizer from (4) to a field is attached to each of the pair of split seedling planting device portions (10L) and (10R), and the split seedling planting device portion (10L), (10R) is connected to the supporting frame (5a) of the self-propelled aircraft in a posture changeable manner, and the fertilizer supply passage portions (34) and (36) along the swingable connecting frame (8) are connected to the fertilizer supply passage. Prepare for (30) and Pivot axis of the connecting frame (8) (16a), rotatable connecting part at the same or substantially the same axis around the (17a) (34a, 35a, 36a, 3
7a) in the fertilizer supply path portions (34), (36).