JPH07184436A - Sulky rice transplanter equipped with fertilizing device - Google Patents

Abstract

PURPOSE:To provide a sulky rice transplanter capable of carrying out insertion and fixation of fertilizer guiding hoses by making an imaginarry line connecting the centers of a laterally sending shaft and a lobitudinally sending shaft which are crossly held on a planting center case approximately parallel to the lower front of a seedling placing stand. CONSTITUTION:An imaginary line K connecting the centers of a laterally sending shaft 6 and a longitudinally sending shaft 7 which are crossly held on a planting center case 30 is made apprroximately parallel to the lower front of a seeding placing stand 20 arranged at a position right behind the planting center case 30. Spaces for inserting hoses approximately logitudinally parallel at approximately equal intervals can be formed between both the shaft and the lower front of the seedling placing stand. The tip side part 31a of a fertilizer guiding hose 31 can smoothly be inserted without damage and surely fixed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a riding rice transplanter equipped with a fertilizer application device.

[0002]

2. Description of the Related Art Conventionally, as a form of a riding rice transplanter equipped with a fertilizer application, a planting section is connected to a position immediately behind the running section, and a fertilizer applying apparatus is attached to the running section so that the fertilizer guide can be applied from the fertilizing apparatus. Extend the hose toward the planting section, connect the tip of the fertilizer guide hose to the gutter provided in the planting section, and pass the fertilizer guide hose from the fertilizer applicator into the groove formed by the gutter. I am able to do it.

At this time, the tip side portion of the fertilizer guide hose is arranged between the planting center case of the planting section and the seedling table in order to connect the tip to the grooving device at the shortest distance. .

[0004]

However, in the above-mentioned riding rice transplanter, the distance between the rear surface of the planting center case and the lower front surface of the seedling table placed immediately behind it is the rear surface of the planting center case. Since the shape is uneven, it is difficult to insert the tip side of the fertilizer guide hose between them, and the tip side is formed on the rear surface of the planting center case. There is a problem that it may be damaged by hitting the corners.

Further, there is also a problem that the tip side portion of the fertilizer guide hose interferes with and damages the seedling table which reciprocates in the lateral direction.

Further, since the tip end side portion of the fertilizer guide hose must be arranged along the uneven shape of the rear surface of the planting center case, there is a problem that it is difficult to surely fix the tip end side portion. .

[0007]

Therefore, in the present invention, the planting section is connected to the position immediately after the traveling section, the fertilizer application device is attached to the traveling section, and the fertilizer guide hose is attached from the fertilizer application section to the planting section. In the riding rice transplanter equipped with a fertilizer applicator with the tip of the fertilizer guide hose placed in the vicinity of the seedling mount provided in the planting section, the planting center case provided in the planting section. , A horizontal feed axis for laterally feeding the seedling table in the left-right width direction and a vertical feed axis for vertically feeding the seedling mat placed on the same seedling table in the horizontal direction. Along the horizontal direction, the virtual line connecting the horizontal feed axis and the vertical feed axis is made substantially parallel to the lower front surface of the seedling stand placed immediately behind the planting center case. It is intended to provide a riding rice transplanter equipped with a fertilizer applying device.

[0008]

[Operation] When placing the tip of the fertilizer guide hose extended from the fertilizer application near the seedling table provided in the planting section,
The tip of the fertilizer guide hose located in the center is inserted between the planting center case and the seedling stand.

At this time, in the planting center case, a horizontal traverse shaft for laterally feeding the seedling placing table in the lateral direction and a seedling mat placed on the seedling placing table are vertically fed downward. The vertical feed shafts for the vertical feed shafts are horizontally laid along the horizontal direction, and the virtual lines connecting the horizontal feed shafts and the vertical feed shafts are arranged at the position immediately after the planting center case. Since the lower front surface of the seedling mounting table is substantially parallel, it is possible to form a space for hose insertion between the two shafts and the lower front surface of the seedling mounting table at approximately the same distance in the front and rear. The tip side of the fertilizer guide hose can be smoothly inserted into the common space.

Further, the rear surface of the planting center case can be formed to be substantially flat so that the fertilizer guide hose can be prevented from being damaged even when it interferes with the front end of the fertilizer guide hose. it can.

It is also possible to prevent the tip side portion of the fertilizer guide hose from interfering with the seedling table which reciprocates in the lateral direction.

Furthermore, the tip side of the fertilizer guide hose is
As described above, since the hose can be directly inserted into the space for inserting the hose, the tip side portion can be surely fixed.

[0013]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1A shows a riding rice transplanter according to the present invention, in which a planting portion A2 is connected to a position immediately after the traveling portion A1 so as to be vertically movable by a lifting link mechanism A4, and a rear portion of the traveling portion A1. The fertilizer applicator A3 is attached to.

As shown in FIG. 1, the traveling section A1 has an engine 51 mounted at the front of a pair of left and right body frames 50, 50 extending in the front-rear direction and a mission section 52 disposed at the rear of the same. The transmission section 52 and the engine 51 are interlockingly connected via a belt-type continuously variable transmission section 53, and the front differential section 54 and the rear differential section 55 are connected to the body frames 50, 50 located on the front and rear sides of the transmission section 52. And the transmission section 52 and the front differential section 54 are interlocked and coupled via the drive shaft 56, while the mission section 52 and the rear differential section 55 are integrally linked and linked, and the front differential section 54 is connected to the left and right sides. Front wheel
57 and 57 are interlockingly connected via a front axle case 58, and left and right rear wheels 59 and 59 are interlockingly connected to a rear differential portion 55 through a rear axle case 60. 29 is the mission section
The power take-off shaft projects rearward from 52, and the power for driving the planting part A2 can be taken out from the power take-out shaft 29. 53a is a ventilation pipe, 58a is a front wheel drive shaft, and 60a is a rear wheel drive shaft.

The upper surfaces of the vehicle body frames 50, 50 are covered with a vehicle body cover body 61, the engine 51 and the like are covered with a bonnet 62, and a handle column 63 is erected at the rear of the bonnet 62. Handle to 63
64 is mounted, and the seat 65 is mounted on the vehicle body cover 61 located immediately behind the handle 64, and the seat 65 and the handle column
Step part of the body cover body 61 located between 63 and
61a. Reference numeral 66 is a brake pedal, and 67 is a spare seedling stand.

Further, a hydraulic cylinder 70 for raising and lowering is provided in a portion of the vehicle body frame 50, 50 located immediately above the mission portion 52.
Is placed in a recumbent state with its axis oriented in the front-rear direction, and the piston rod 70a of the lifting hydraulic cylinder 70 is extended rearward, while the lower end of the lift arm 71 is placed between the rear ends of the body frames 50, 50. Is pivotally supported by a lift arm support shaft 72 so that it can swing back and forth, the tip of the piston rod 70a is connected to the upper end of the lift arm 71, and the lift link mechanism A4 is interlockingly connected to the lift arm 71. The lifting hydraulic cylinder 70 allows the lifting link mechanism A4 to move up and down.

Further, between the rear ends of the pair of left and right body frames 50, 50, a gate type frame 75 is straddled to form a gate type frame.
An inclined frame 76,76 is installed between the upper end of 75,75 and the middle of the body frame 50,50, and the fertilizer applicator A3 is placed on the gate-shaped frame 75.

In the fertilizer application device A3, as shown in FIG. 1, a support base 77 is horizontally mounted on a gate-shaped frame 75, and fertilizer feeding parts 78 corresponding to the number of planting rows are provided on the support base 77 in the left-right width direction. Installed in parallel,
A fertilizer hopper 79 is connected to each fertilizer feeding section 78, and a pressure air supply pipe 80 extending in the left-right width direction is communicated between the lower ends of the fertilizer feeding sections 78. A fertilizer pressure-feeding blower 81 is attached to the left end of the fertilizer, and each fertilizer feeding hose 31 and each base end of a corresponding number of fertilizer guide hoses 31 are connected to the middle portion of the rear peripheral surface of the compressed air supply pipe 80 so that each fertilizer is A planting part where the tip of the guide hose 31 will be described later
It is extended to A2 and is connected to the groovers 33 provided in the respective floats of the planting section A2 for the number of planting lines. Reference numeral 82 is a support frame, and 83 is a shock absorber such as a damper.

In this manner, the fertilizer contained in the fertilizer hopper 79 is fed by the fertilizer feeding section 78 into the pressurized air supply pipe 80 in a fixed amount, and the fed fertilizer is produced by the blower 81 for feeding the fertilizer through the fertilizer guide hose 31. The fertilizer can be supplied to the gutter 33 by pressure so that the fertilizer can be supplied into the gutter in the field formed by the gutter 33.

As shown in FIGS. 1 to 3, in the planting section A2, a planting center case 30 is arranged at the center position of the lower front portion, and the planting center case 30 has the power take-out shaft described above. Power is transmitted from 29 via a transmission shaft (not shown),
The seedling table 20 on the upper side is driven vertically and horizontally, and the planting center case 30 is linked to the planting transmission case 14 in the central part, and the planting transmission case 14 is also planted on the left and right sides. Claw drive shaft case 1 that extends cases 14 and 14 in the left-right width direction
Interlocking with each other through 3,13 and each planted transmission case 14,14,14
The rear part of the rotary case 15,15,15 interlockingly connected to the rear end of the rotary case 15 so that it can be rotationally driven, and the planting claws 16,16 can be driven by planting at both ends of each rotary case 15. The seedlings are inherited from the seedling mounting table 20 by interlocking with and are planted in the field. Further, a float 28 is hung so as to be able to move up and down at the bottom of the planting section A2.

As the operation lever of each device of the planting section A2,
As shown in FIG. 3, in the left side position of the planted center case 30, a lateral feed speed change lever L1 that slides in the left-right direction, a planting depth adjustment lever L2 that swings up and down, and the planted center case. A seedling feed amount adjusting lever L3, which can be rotated up and down, is provided on the right side of 30.
Is a lever for adjusting the planting speed by changing the sliding speed of the seedling table 20 in the lateral direction.

The planting depth adjusting lever L2 rotates the float support shaft 27 shown in FIGS. 2 and 3 and adjusts the vertical position of the float 28 link-supported by the float support shaft 27. , It controls the planting depth of seedlings.

The seedling feed amount adjusting lever L3 is used for the seedling table 20.
While adjusting the transport drive amount of the seedling feeding belt 24 of, also by adjusting the seedling feeding amount in the vertical direction in the seedling mounting table 20, the number of seedlings held by the planting claw 16 at one time is adjusted, It is a lever that adjusts the number of plants in one planting.

As shown in FIGS. 3 to 7, the planted center case 30 is formed by joining half-divided housing members, and the input shaft 1 is projected forward from the center of the front end of the joined portion. The bevel gear 1a is attached to the terminal end of the input shaft 1 in the planted center case 30 and meshes with the bevel gear 2a of the transmission shaft 2 which is horizontally mounted. A sprocket 2b and an eccentric gear 2c are fixedly mounted on the transmission shaft 2, and from the sprocket 2b, a chain is wound around a sprocket 3a attached to the planting output shaft 3 for transmission. On the other hand, the eccentric gear 2c meshes with the eccentric gear 4a attached to the lateral feed transmission shaft 4 which is laid parallel to the transmission shaft 2 in parallel,
The transverse feed speed changing shaft 4 can be rotationally driven by gradually changing the rotational speed.

In the planted center case 30, the left end side of the transverse feed transmission shaft 4 is loosely fitted to a plurality of transverse feed transmission gears 4b, 4b. A groove portion 4c is bored in the outer peripheral portion of the shaft 4 in the axial direction, and a shifter 5 is slidably fitted therein, and the shifter 5 is connected to the lateral feed speed change lever L1. By sliding the shifter 5 by manual operation of the lateral feed speed change lever L1 and fitting it with one of the lateral feed speed change gears 4b from the inside, the fitted lateral feed speed change gear 4b is shifted. It is configured such that it can rotate integrally with the lateral feed transmission shaft 4 via. In addition, in this embodiment, four transmission gears 4b are provided, and accordingly, the set position of the lateral feed transmission lever L1 is also
As shown in FIG. 7, four positions are set so that the gear can be shifted in four steps.

As shown in FIG. 7, each of the lateral feed transmission gears 4b, 4b, ... is located on the left side in the planting center case 30 of the lateral feed shaft 6 which is laid parallel to the feed feed shaft 4 in parallel. The driven gears 6a, 6a, which are fixed to the gears, are engaged with the driven gear 6a engaged with the lateral feed transmission gear 4b with which the shifter 5 is brought into contact, and the lateral feed shaft 6 is rotationally driven. Is configured. Further, in the center case 30 with planting, a sprocket 6b is fixedly installed on the right end side of the horizontal feed shaft 6, and from the same sprocket 6b, a vertical feed shaft mounted in the center case 30 with planting is also installed. The vertical feed shaft 7 is interlocked with the horizontal feed shaft 6 by winding a chain around a sprocket 7b fixed to the device 7.

Then, as shown in FIG. 4 or 5, the transmission shaft 2, the lateral feed speed-changing shaft 4, and the lateral feed shaft 6 are pivotally supported on the left-hand protruding portion around the input shaft 1. This part is called the lateral feed transmission section (a). And on the right side of the input shaft 1, there are a vertical feed bearing part (b) and a horizontal feed bearing part (c).
, And an output part (d) for driving the planted claw.

Next, the mounting structure of the lateral feed shaft 6, the vertical feed shaft 7 and the planted transmission case to the planted center case 30 will be described. As shown in FIGS.
The vertical feed shaft 7 is projected from the lateral feed bearing portion (c) and the vertical feed bearing portion (b) at the right end of the planted center case 30, respectively, and the right end of each shaft is provided on the connecting plate 8. Bearings 8a, 8b are respectively pivotally supported, and a sliding element receiver 9 is slidably fitted on the transverse feed shaft 6 and a sliding element 9a fixed to the sliding element receiver 9 is fitted in the groove 6c. Has been inserted into.

As a result, when the lateral feed shaft 6 rotates, the sliding element receiver 9 having the sliding element 9a fitted in the groove 6c reciprocally slides left and right on the lateral feeding shaft 6 with the rotation. In addition, on the transverse feed shaft 6, the bellows 11, 11 made of an elastic member such as rubber covers between the sliding member receiver 9 and the right end side of the planting center case 30 and the bearing 8a of the connecting plate 8. is doing.

Further, while the unlocking cam 10 is fixedly mounted on the sliding receiver 9, the inside of the planting center case 30 is
As shown in FIG. 7, a fixed shaft 19 is horizontally provided slidably in the left-right width direction, a left side portion of the fixed shaft 19 projects, and an end portion of the fixed shaft 19 is pressed against the lateral feed shift lever L1. , The return spring 19b is externally fitted to the left end of the same, and the lateral feed speed change lever L1
It is attached in the pushing direction to. Same lateral feed shift lever L1
Is a lever that shifts the rotational speed of the lateral feed shaft 6, and slides the shifter 5 to select one of the shift gears 4b.

Moreover, ball fitting portions 19a, 19a, ... Are formed on the right side portion of the fixed shaft 19 in accordance with the number of set positions of the transverse feed speed change lever L1 to form a detent. The operating shaft 17 is slidably provided in parallel with the right side portion of the fixed shaft 19 inside the planted center case 30, and the right end portion thereof is projected from the right side of the planted center case 30. Further, the return spring 17b is urged in the rightward protruding direction. In the center case 30 with the plant, the operation shaft 17
When the seedling table reciprocates, one end of the two ball members 18, 18 is pressed against the ball fitting part 17a and the ball fitting part 17a is provided on the left side of the ball fitting part 17a. , 1
The other end of 8 is fitted into one of the ball fitting portions 19a of the fixed shaft 19, and the fixed shaft 19 is pressed and fixed by the ball members 18 and 18, so that the lateral feed speed change lever L1 cannot be operated. ing.

Then, the slide receiver 9 on the transverse feed shaft 6
However, when the sliding left end is reached, the lock release cam
10 pushes against the right end of the operating shaft 17 to slide the operating shaft 17 to the left. As a result, the upper ends of the ball members 18 and 18 are fitted into the ball fitting portions 17a in the plant center case 30 and the ball members 18 are fitted into the ball fitting portions 19a of the fixed shaft 19.
As the fixed shaft 19 is released, the fixed shaft 19 is released from the fixed shaft 19 so that the fixed shaft 19 can slide left and right.

Therefore, the lateral feed gear shift lever L1 which is pressed against the left end of the lateral feed gear lever L1 can also be slid to the left and right, and the lateral feed gear shift operation can be performed. That is, the lateral feed speed change lever L1 is the lateral feed shaft 6
It is possible to steer only when the upper slide receiver 9 is at the sliding left end. This means that when the slide receiver 9 is in the middle position of the left and right sliding width on the transverse feed shaft 6, the seedling remains in the middle of the bottom end of each seedling mat of the seedling mounting table 20. If there is a transverse feed speed change in this state, it may cause stock loss and seedling clogging. Therefore, only when the row of seedlings at the lower end of the seedling mat has been completely exhausted at the left end of the slide, after operating the lateral feed shift lever L1, the seedling mounting table is operated.
When the 20 starts sliding left and right again, the lock release cam 10
Comes off from the right end of the operating shaft 17,
L1 is locked.

As shown in FIGS. 5 and 9, the vertical feed shaft 7 is provided with vertical feed cams 7a, 7a. The vertical feed shaft 7 and the vertical feed cams 7a, 7a are the center case with planting as described above.
Since the chain 6d is wound around the lateral feed shaft 6 in the rotary shaft 30, the lateral feed shaft 6 is rotationally driven in synchronization with the rotational drive of the lateral feed shaft 6. Then, when the slide receiver 9 on the lateral feed shaft 6 reaches the sliding left and right end positions, as will be described later, it abuts on the driven cam 23 that conveys the seedling feed belt 24 of the seedling mounting table 20, and the driven cam. The seedling feeding belt 24 is driven by rotating 23. This will be described later.

Here, the gist of the present invention is, as shown in FIG. 10, an imaginary line K connecting the axial cores of the horizontal feed shaft 6 and the vertical feed shaft 7.
And the lower front surface 20a of the seedling placing table 20 placed immediately behind the planting center case 30 are made substantially parallel to each other, and the rear end of the peripheral surface of both shafts 6 and 7 and the lower portion of the seedling placing table 20 are arranged. A straight hose insertion space S is formed between the front surface 20a and the front surface 20a.

The rear surface of the planting center case 30 is
As shown in FIG. 10, the inclined surface 30a is formed substantially parallel to the imaginary line K and has a high front, rear, and low.
The lower front surface 20a of 20 is formed substantially parallel and at substantially the same interval.

Moreover, in the space S for inserting the hose, the tip end side portion 31a of the fertilizer guide hose 31 extended from the fertilizer application device A3 attached to the rear portion of the traveling portion A1 is inserted, and
It is fixed to the planted center case 30 with a fixture 32,
The tip of the fertilizer guide hose 31 is connected to the grooving device 33 attached to the center float 28.

In this way, the tip end side portion 31a of the fertilizer guide hose 31 can be smoothly inserted into the hose insertion space S, and damage to the tip end side portion 31a can be prevented. At the same time, the tip side portion 31a can be securely fixed, and the fertilization work efficiency performed through the fertilizer guide hose 31 can be secured satisfactorily.

On the right side of the planted nail drive output section (d),
As shown in FIG. 5, the planting claw drive shaft 12 is attached to the planting output shaft 3.
The planted pawl drive shaft 12 is covered by the planted pawl drive shaft case 13, and the left end portion thereof is the planted center case.
It is fixed to the right side surface of the planted claw drive output unit (d) 30.
On the other hand, on the left side, of the above three, the front end portion of the planted transmission case 14 in the central portion is fixed, and the planted output shaft 3 is connected to the input shaft 14a of the planted claw transmission case 14. The transmission case 14 is transmitted to the rotary case 15 provided with the planting claw 16 arranged at the rear end of the transmission case 14.

Further, the right planting transmission case 14 is fixed to the right end of the planting pawl drive shaft case 13 and the lower end of the connecting plate 8, and the right end of the planting pawl drive shaft 12 is connected to the same. Planted transmission case
It is connected to 14 input shafts 14a. Furthermore, the planted transmission case 14 in the central portion is fixedly installed on the left side surface of the drive unit (d) for planting.
The left end of the input shaft 14a of is connected to another planting pawl drive shaft 12 and the left end of the planting pawl drive shaft 12 is connected to the left planted transmission case 14
Is connected to the input shaft 14a of.

The arrangement position of the front end of the planted transmission case 14 is
Conventionally, it was placed behind the planted center case 30, but as described above, the planted center case is located below the transverse feed transmission section (a) of the planted center case 30, that is, in a plan view. Since the rear end portion of the same planted transmission case 14 is located closer to the front by arranging it in a position where it overlaps with 30 in the vertical direction, a compact planted portion A2 with a short front-rear length is provided.
Can be configured.

Thus, as shown in FIG. 5, the planting section drive mechanism in which the lateral feed shaft 6, the vertical feed shaft 7, and the planting pawl drive shaft 12 are attached to the planting center case 30 is provided as one unit. By configuring as above, the assembly structure of the planting part A2 becomes compact, and maintenance work and the like become easy.

Next, the conveyance drive of the seedling placing table 20 will be described. As shown in FIG.
A mounting shaft 21a is attached to the mounting shaft 21a, and the mounting shaft 21a is fitted into the fitting hole 9b of the sliding receiver 9 to connect the seedling mounting table 20 and the sliding receiver 9 to each other. When the 9 slides on the lateral feed shaft 6, the seedling stand 20 slides integrally with it. In FIG. 4, X is the sliding left end position of the lateral feed shaft connecting portion 21, and Y is the sliding right end position thereof. In addition, seedling mat setting units 20a, 20a ... are formed on the upper surface of the seedling stand 20 for the number of planting rows.
In the lower part thereof, seedling feeding belts 24, 24 ... Which convey the seedling mats are arranged. Same seedling feeding belt 24,24
...... is wound around a seedling feeding shaft 22 pivotally supported on the lower surface of the seedling mounting table 20, and a row stopper clutch 26 is provided on the seedling feeding shaft 22 at each winding position of each seedling feeding belt 24. Therefore, the transport drive of each seedling feed belt 24 can be individually stopped. In addition, L4 illustrated in FIG. 1 is a line stop clutch lever.

The lower end of the set seedling mat is stopped by the friction force of the seedling feeding belt 24, and the seedling feeding belt 24
When is driven, it is conveyed downward. Explaining the drive structure for transporting seedlings by the seedling feed belt 24, as shown in FIGS.
The driven cam 23 is provided so as to project. As described above, the driven cam 23 abuts one of the rotating vertical feed cams 7a at the sliding left and right end positions of the slide receiver 9 on the horizontal feed shaft 6, as shown in FIGS. The seedling feeding shaft 22 rotates a certain amount by being lifted up and turning upward, so that the seedling feeding belt
24 is driven and the seedling mat set on it is lowered by a certain amount. A one-way clutch is provided between the seedling feeding shaft 22 and the driven cam 23 so that it can be rotated downward. Therefore, the rotating vertical feed cam 7a
However, when the sliding cam 23 deviates from the rotation upper limit position, the sliding cam 23 naturally rotates downward due to its own weight. A pusher 23a is provided on the follower cam 23 so as to project below the pusher 23.
Since the stopper 25 to which an elastic member such as rubber is attached is arranged, the pusher 23a of the driven cam 23 rotated downward contacts the stopper 25, and the driven cam 23 stops.

The above-mentioned seedling feed amount adjusting lever L3 is used for the seedling table 20.
To rotate up and down. That is, as shown in FIG. 9, by changing the vertical position of the seedling placing table 20 by operating the lever L3, the pressing area of the rotating vertical feed cam 7a to the driven cam 23 is changed, and The amount of rotation of the driven cam 23 is changed by being pushed up by the feed cam 7a. By adjusting this rotation amount, the transport drive amount of the seedling feeding belt 24 is adjusted, the transport amount of seedlings by the belt 24 is adjusted, and the seedling amount held by the planting claw 16 once is adjusted as described above. Is adjusted.

[0047]

According to the present invention, the following effects can be obtained.

That is, an imaginary line connecting each axis of the horizontal feed shaft and the vertical feed shaft which are horizontally installed in the planting center case, and the lower front surface of the seedling table placed immediately behind the planting center case are omitted. Since they are parallel, it is possible to form a space for hose insertion that is substantially parallel to the front and rear between the two shafts and the front surface of the lower part of the seedling mounting table. The tip side of the hose can be inserted smoothly, damage to the tip side can be prevented, and the tip side can be securely fixed. It is possible to ensure good fertilization work efficiency.

[Brief description of drawings]

FIG. 1 is a side view of a riding rice transplanter according to the present invention.

FIG. 2 is a partially cutaway side view of a planting part.

FIG. 3 is a partially cutaway plan view of the planting part.

FIG. 4 is a sectional front view of a planting drive mechanism.

[Fig. 5] Horizontal feed axis, vertical feed axis,
FIG. 6 is a sectional front view showing a unit of a planting drive mechanism to which a planting claw drive shaft is attached.

FIG. 6 is a right side view of the planting center case.

FIG. 7 is a partially cutaway plan view showing a lock mechanism of a lateral feed transmission shaft.

FIG. 8 is a sectional front view showing a lateral feed shaft mounting portion and a seedling feed shaft of a seedling placing table.

FIG. 9 is a side view showing a seedling feed shaft and a vertical feed cam.

FIG. 10 is an explanatory side view of the planting section.

[Explanation of symbols]

 A Passenger rice transplanter A1 Running part A2 Planting part A3 Fertilizer application device A4 Lifting link mechanism L1 Horizontal feed speed change lever L2 Planting depth adjusting lever L3 Seedling feed amount adjusting lever (a) Horizontal feed speed changing part (b) Vertical feed bearing part ( c) Horizontal feed bearing part (d) Output part for driving planted claw 1 Input shaft 2 Transmission shaft 3 Output shaft for planting 4 Horizontal feed speed changing shaft 5 Shifter 6 Horizontal feed shaft 7 Vertical feed shaft 7a Vertical feed cam 8 Connection plate 9 Sliding element receiver 9a Sliding element 10 Unlocking cam 12 Claw drive shaft with planting 14 Transmission case with planting 20 Seedling table 21 Side feed shaft connection 22 Seedling feed shaft 23 Driven cam 24 Seedling feed belt 25 Stopper 30 Planting center Case

Claims (1)

[Claims] 1. A fertilizer guide is formed by connecting a planting section to a position immediately after the traveling section and attaching a fertilizer application device to the traveling section and extending a fertilizer guide hose from the fertilizer application apparatus toward the planting section. In a riding rice transplanter equipped with a fertilizer applicator with the tip of the hose located near the seedling table provided in the planting section, the planting center case provided in the planting section is used to horizontally cross the seedling table. A horizontal feed shaft for feeding and a vertical feed shaft for vertically feeding the seedling mat placed on the same seedling mounting table are horizontally mounted with the axis line in the left-right width direction. A fertilizer application is characterized in that an imaginary line connecting each axis of the feed axis and the vertical feed axis and a lower front surface of a seedling table placed immediately behind the planting center case are substantially parallel to each other. Passenger rice transplanter.