JP3268578B2 - Seedling transplanter - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a seedling box containing seedlings, which is supplied from the upper side, the seedlings are taken out of the seedling box at the lower side, and empty seedling boxes are discharged to the upper side. A seedling box supply unit provided with a transfer unit that transfers the seedlings downward from the side and transfers the seedlings upward from the lower side, and supplies the seedlings from one of the seedling box supply units to the two-row seedling planting apparatus. The present invention relates to a seedling transplanter in which a six-row planting part provided with three such parts is mounted on a traveling vehicle body so as to be able to move up and down.

[0002]

2. Description of the Related Art Conventionally, a seedling box containing seedlings is supplied from an upper side, a seedling is taken out from a seedling box at a lower side, and an empty seedling box is discharged to an upper side. A seedling box supply unit having a transfer unit for transferring and transferring upward from the lower side is provided, and a portion configured to supply seedlings from one seedling box supply unit to a two-row seedling planting apparatus is left and right. A 6-row planting section, which is provided in three rows on the center side and on the left and right sides, is mounted on the traveling body so as to be able to move up and down, and the seat and the spare seedling mounting table are sandwiched between the seedling box supply points of the seedling box supply section. It was arranged in a way.

[0003]

In the above-mentioned conventional seedling transplanting machine, the seedling box supply portion of the seedling box supply portion located between the seat and the spare seedling mounting table moves up and down by the raising and lowering movement of the planting portion. Therefore, there is a problem that it is difficult to take the seedlings from the spare seedling mounting table and it is difficult to supply the seedlings. In view of the above, an object of the present invention is to make it easy to replenish seedlings in the planting section configuration as described above.

[0004]

According to the present invention, a seedling box containing seedlings is supplied from an upper side, a seedling is taken out from a seedling box at a lower side, and an empty seedling box is placed at an upper side. A seedling box supply unit provided with a transport unit for transporting the seedling box downward from the upper side and discharging the seedling box upward from the lower side so that the seedling box is supplied from one of the seedling box supply units. 6-planted planting part 4 in which the parts configured to supply seedlings to the planting device are arranged side by side at the left and right central sides and at the left and right outer sides at three intervals.
Is mounted on the traveling vehicle body 2 so as to be able to ascend and descend, and the seat 13 is arranged at a position facing the seedling box supply section on the left and right center side in the front-rear direction, and the seedling box supply section 30'a of the seedling box supply section is attached to the seat 1.
3 and near the lower right and left sides of the seat 13
The left and right wheels 7, 7 in the right and left center of the aircraft
Between the box supply section and the seedling box supply section on the right side
Seedling box supply part on the left and right center in the direction and seedling box supply on the left side
And a seedling box supply unit in both the left and right sides of the seat 13 in the left- right direction of the body and in the front-rear direction of the body.
To the side where the seat 13 is arranged ,
And a seedling transplanter characterized by having the above arrangement.

[0005]

[Function] The seedling box supply section of this seedling transplanter is designed so that the seedling box is
Transported to Luo downward and conveyed to the lower side or al upward. Soshi
Remove the seedlings from the seedling box at the bottom of the seedling box supply
2 seedlings per seedling box supply unit
Supply to equipment. The planting section 4 of the seedling transplanter is constructed as described above.
The left and right center sides and the left and right outer sides
Because it is provided side by side, plant 6 rows. Also,
At the position facing the front and rear of the seedling box supply section on the left and right center side
Arrange the seats 13 and supply seedling boxes in the seedling box supply section.
Place 30′a near the seat 13 and move both sides of the seat 13
Wheels 7, 7 placed in the vicinity of the lower side
And the seedling box supply section on the right and left center side and the seedling box supply section on the right side
And the seedling box supply section at the center of the left and right sides of the machine
Place it between the seedling box supply section on the left side and
The seat 13 on both the left and right sides and the fuselage longitudinal direction
At the side where the seat 13 is arranged with respect to the seedling box supply
Since the Binae platform 20 is located, you can sit on the seat
When the contractor removes the seedling box from the spare seedling table,
Over the seedling box supply section, which moves up and down by raising and lowering the attachment section
It is no longer necessary to take a seedling box, and the wheels are arranged
The front and rear length of the aircraft is shortened by configuring
The seedling box supply point of the box supply section is arranged closer to the seat 13.
Supply the seedling boxes from the spare seedling table to the seedling box supply section.
Is easier to perform.

[0006]

According to the present invention, the seedling box containing the seedlings is supplied from the upper side, the seedlings are taken out from the seedling box at the lower side, and the empty seedling boxes are discharged from the upper side. A part configured to provide a seedling box supply unit provided with a transfer unit that transfers the seedlings downward and upward from the lower side, and supplies seedlings from one seedling box supply unit to two seedling planting apparatuses. yet the left-right center side and its left and right outer side three-body distance spaced side by side arranged with Article 6 planted planting unit 4 vertically movably mounted seedlings transplanter in the vehicle body 2, the left-right center side seedlings The seat 13 is arranged at a position facing the box supply part back and forth, the seedling box supply point 30'a of the seedling box supply part is arranged near the seat 13, and the wheels are arranged near the lower right and left sides of the seat 13. 7,7
To the seedling box supply section on the left and right
To the seedling box supply section on the right side of the
Arranged between the seedling box supply section on the right center and the seedling box supply section on the left side.
And location, left and right outer relative seat 13 in the horizontal direction of the machine body
Seat against seedling box feed unit in 且 one body front-rear direction on the side
Since the spare seedling mounting platforms 20 are arranged on the side where the 13 is arranged, the worker sitting on the seat 13 can
It is difficult to take out the box due to the vertical movement of the planting part 4
There is no case, and the wheel arrangement is devised as described above.
So that the front and rear length of the aircraft will not be as long as possible
The seedling box supply section of the seedling box supply section is located near the seat 13.
Seedling box taken from spare seedling mounting
Supply to the seedling box supply section becomes easier.
Seedlings can be easily supplied.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A seedling transplanter 1 shown in FIG. 1 is for planting rice seedlings in a paddy field. The seedling transplanter 1 is connected to a riding-type traveling vehicle body 2 via a link device 3 that moves up and down to the rear side.
The planting part 4 of the row planting is mounted. The traveling vehicle body 2 includes a pair of left and right driving front wheels 6.6 for steering, and a pair of left and right driving rear wheels 7.7. On the frames 8.8, a transmission case 9 is mounted on a front side, and an engine E is mounted on a rear side. The rotational power of the engine E is transmitted once by a belt transmission 10 to a hydraulic pump mounted on the upper part of the transmission case 9, and from there, a belt transmission 11 capable of stepless speed change operation.
Thus, the power is transmitted into the transmission case 9. The power in the transmission case 9 is transmitted to the front wheels 6.6 and the rear wheels 7.7, and the transmission shaft 9a and the intermediate gear case 9 are transmitted.
b, transmitted to the planting section 4 via the transmission shaft 9c. Reference numeral 12 denotes a steering wheel for steering the front wheels 6, 6, reference numeral 13 denotes a seat on which the driver sits, and reference numeral 14 denotes a step floor when the driver moves on the traveling vehicle body 2.

The front wheels 6, 6 are mounted on front wheel axles 6a, 6a projecting outward from the distal end of a front wheel transmission case fixed to the left and right sides of the transmission case 9. The treads of the front wheels 6, 6 are provided so as to straddle the central four streaks with respect to the rear studs PL. Rear wheel 7
7 is a horizontal frame 8a connecting the rear ends of the frames 8.8
A rear wheel rolling frame 8c is rotatably connected to a rear wheel rolling shaft 8b protruding rearward, and a rear wheel gear case 7 is provided at both left and right ends of the rear wheel rolling frame 8c.
The rear wheels 7.7 are fixed to the rear wheel axles 7b, 7b, which are secured to the rear wheel axles 7a, 7a. Also, the rear wheel gear cases 7a and 7
The transmission to a is such that the power in the transmission case 9 is transmitted to the rear wheel gear cases 7a via the rear wheel transmission shafts 7c. By the way, the rear wheels 7
The tread is provided so as to straddle the central streak with respect to the rear planting strip PL, but as described above, the rear wheels 7.7 can roll around the rear wheel rolling shaft 8b. Therefore, even when traveling on a field with large unevenness, the left and right inclinations of the body are not so greatly inclined and stable traveling can be performed. In addition, the rear wheel axles 7b, 7b are provided with auxiliary wheels 7 ', 7' for obtaining propulsion and buoyancy when the mud layer is deep, with respect to the outside of the rear wheels 7.7 and the planting strip PL. It can be installed so as to straddle six lines. PL ′ is an adjacent planting line of the seedling planted in the previous step.

[0009] The link device 3 includes a frame 8 of the traveling vehicle body 2.
The upper link 15a
15a and lower links 15b and 15b are rotatably mounted, and a vertical link 15c
Are connected. The connection bearing portion 15c 'projecting rearward from the lower end of the vertical link 15c is attached to the planted portion 4c.
The connecting shaft 16 'integrated with the planting transmission case 16 is rotatably connected to the planting transmission case 16, and the planting portion 4 is mounted to be rotatable left and right with respect to the traveling direction. Also, the hydraulic cylinder 17 has a piston rod part 17a
The side is attached via a spring to a distal end of an arm 15a 'integrally fixed downward from the base of the upper link 15a. When the hydraulic cylinder 15 expands and contracts, the upper and lower links 15a, 15b, and 15b rotate around the support shaft on the link base 8a side, and the planting section 4 moves up and down. The operation of the hydraulic shilling 17 is controlled by a hydraulic valve 18.

Reference numeral 20 denotes a spare seedling mounting table, which is provided with a table for placing the seedling boxes C... On the upper and lower shelves, and which is fixed to the front left and right sides of the traveling vehicle body 2. Incidentally, the seedling box C used in the seedling transplanter 1 is a flexible seedling box made of plastic and has a shape as shown in FIG. That is, the small pots C1 are arranged at predetermined intervals in the left, right, front and rear directions, the openings C2 are connected to each other, and the bottom sides C3 are formed into independent shapes. Further, square holes C5 for feeding seedling boxes are provided at left and right edge portions C4 along the longitudinal direction of the seedling box C in accordance with the longitudinal intervals of the pots C1. The bottom C3 of each pot C1 has a round hole C6 in the center, a cross cut C7 around the hole C6, and a hole C at the end of the cut C7.
8 are provided respectively. Raising seedlings in each pot C1
… They are filled with floor soil, sowed, covered, and raised. The seedling boxes C, each of which has been bred one by one for each pot C1..., Are loaded into the seedling transplanter 1 together with the seedling boxes, and are pushed out from the bottom C3 side by the rod-shaped pushing pins 31a to take out the seedlings.

The seedling box 4 is provided so that the seedling box C containing the seedlings is supplied from the upper side, the seedlings are taken out of the seedling box C at the lower side, and the empty seedling box C is discharged to the upper side. And a seedling box supply unit provided with a transfer unit for transferring the seedlings downward from the upper side and conveying the seedlings upward from the lower side. A planting section having a six-row planting structure in which three parts are arranged on the left and right central sides and on the left and right sides thereof, specifically, a seedling box supplying device 30, a seedling extracting device 31, a seedling conveying device 32 , A plurality of flexible seedling boxes C... Are loaded into the seedling box supply device 30 and sequentially sent to the seedling pushing position P of the seedling extracting device 31. The seedlings are taken out from the seedling box C that has been sent, and the taken out seedlings are transferred to the seedling placement device 33 by the seedling transport device 32. Is conveyed to the position S Ri and seedlings conveyed to seedling-up position S seedlings planting device 33 has a planting and going configured in the field to take. In addition, a center float 34 and a pair of left and right side floats 35 are provided below the planting section 4. When the floats are grounded and the aircraft is advanced, each float is sloping on a field scene while sliding. I do. In addition, each of these floats 34, 35.3
5 is provided with a groove-forming device 23 for forming a fertilizing groove in a field near the seedling planting position of each line. Also,
The center float 34 is also a sensor for detecting unevenness in a field scene, and the spool of the hydraulic valve 18 is operated according to the vertical movement of the sensor float 35. That is, when the center float 34 moves upward, the hydraulic valve 18 is operated in a direction to extend the hydraulic cylinder 17, and when the center float 34 moves downward, the hydraulic valve 18 is operated in a direction to contract the hydraulic cylinder 17. Thus, the planting unit 4 is controlled so as to maintain a constant height with respect to the field scene. 36 ・ 36 is the rear wheel 7 ・
A rake for leveling the wheel traces of No. 7, and 36 'and 36' are rakes for leveling the wheel traces of the auxiliary wheels 7 'and 7'. still,
The wheel marks of the front wheels 6.6 are leveled by the side floats 35.

The frame of the planting part 4 has transmission pipes 16a, 16b with connecting pipes 16a, 16a fixed to the left and right sides of the planting part transmission case 16, and two seedling planting devices 33 at both ends. The connecting pipes 16c and 16c are fixed to both outer sides of the front end of the transmission frame, and the transmission frames 16d and 16d equipped with the seedling planting devices 33 and 33 at both left and right ends are fixed to both ends thereof. Further, the rear ends of the transmission frames 16b, 16b, 16d, 16d are connected by a connection frame 16e to form a frame-like frame as a whole.

The seedling box feeding device 30 is provided with a seedling box feeding section 30 'which comprises a seedling box feeding section having a conveying section for conveying the seedling box C downward from the upper side and conveying the seedling box C upward from the lower side. One body is provided between each of the two central sections, between the two left sections, and between the two right sections. The seedling box feed guides 30 'have a configuration in which U-shaped rail portions 30b and 30b are integrally provided on the left and right sides of a trough portion 30a having a concave cross section (FIG. 5). Seedling box C has left and right edges C4
C4 is loaded so as to enter into the grooves of the U-shaped rails 30b, and is slid in the groove direction of the rails 30b to be transported. Also,
The seedling box feeding guide 30 ′ has a seedling box supply port 30 ′ a for the seat 1.
3 and is bent downward toward the seedling pushing position P and extends downward therefrom. After passing through the seedling pushing position P, it is bent forward and folded upward. Empty seedling boxes C are discharged from the seedling box discharge port 30'b, and the empty boxes are sequentially overlapped with the empty box storage frames 30'c provided below the seedling box supply port 30'a. It is configured to be accommodated. The seedling box feed guides 30 'are supported and fixed to the planting transmission case 16 and the support frames 16f having bases fixed to the connecting pipes 16c.

The seedling box supply port 30'a is connected to the rail 30b.
The edges 30'd, 30'e of 30b open obliquely upward and outward and are connected to the edges of the rails of the adjacent seedling box feed guides 30 '. Thus, when the number of seedlings to be planted in the seedling box supply device 30 is reduced and the seedling boxes have to be replenished, the seedling boxes C are moved from the spare seedling mounting tables 20 while the seedling transplanter 1 is being planted. Take the seedling box C from the seedling box supply port 30'a to the seedling box feeding guide 3.
In the case where the seedlings are supplied within 0 ', since the seedling box supply port 30'a is open left and right as described above, the seedlings can be replenished easily and quickly. The seedling box supply port 3 in the center
Since 0'a extends to the left and right outer sides of the seat 13, it is easy to perform the replenishment operation of the seedling box. Further, a handle fixing switch SW is provided on the lower console portion 12a of the handle 12, and if the handle fixing switch SW is turned on at the time of seedling replenishment, seedling replenishment work becomes easier. The handle fixing device operated by the handle fixing switch SW has a configuration as shown in FIG. Reference numeral B denotes an electromagnetic brake, which applies a brake to the rotation of the handle 12 when the switch SW is turned on. PS is a power steering unit through which the front wheels 6, 6 are interlockingly connected so as to be turned.

By the way, the seedling box supply device 3 as shown in FIG.
When it is set to 0 ', it becomes easier to supply the seedling box to the center seedling box feed guide 30'. That is, in the seedling transplanter 1a of FIG. 10, the seedling supply port 30'a of the three seedling box feed guides.
… Side is formed so as to be continuous left and right by one flat seedling box supply stand 30′f, and at the connecting portions 30′g and 30′g,
Seedling box lateral moving bodies 30'h and 30'h are provided. An electric motor M is attached to the seedling box horizontal moving body 30'h, and a pinion gear G attached to the rotating shaft of the motor M is fixed to the seedling box supply stand 30'f.
It is provided so as to mesh with 0′i (FIG. 11). When a seedling box detection switch SW1 for detecting the presence of a seedling box in the center seedling box feed guide 30 'is turned on, a seedling replenishment notification buzzer sounds and the left and right seedling box horizontal moving bodies 30'h and 30'h.
Moves to the outer position (X). In this state, the driver sitting on the seat 13 removes the seedling boxes C from the spare seedling mounting tables 20 while moving the seedling transplanting machine 1 for planting work, and places the seedling boxes C on the left and right. The seedling box is placed on the seedling box supply base 30'f inside the seedling box horizontal moving body 30'h. Then, the seedling box C causes the left and right seedling box horizontal moving bodies 30 'by the light emitting unit PS1 and the light receiving unit PS1' of the photoelectric switch provided inside the left and right seedling box horizontal moving bodies 30'h and 30'h. h and 30'h, and detects that the left and right seedling box lateral moving bodies 3
0'h and 30'h move to the inner position (Y). Thereby, the seedling box is supplied into the center seedling box feeding guide 30 '. Next, the seedling box C is placed on the seedling box supply stand 30'f outside the left and right seedling box horizontal moving bodies 30'h. Then, the light emitting unit PS2 and the light receiving unit PS2 'of the photoelectric switch provided on the outer side of the seedling box lateral moving bodies 30'h and 30'h and the left and right ends of the seedling box supply table 30'f allow the seedling box C to be moved. Is the seedling box horizontal moving body 30'h
The seedling box horizontal moving body 3
0'h moves to the outer position (X). Thus, the seedling boxes are supplied into the left and right seedling box feed guides 30 '. Therefore, the central seedling box feed guide 3 located immediately after the seat 13
It is easy to replenish the seedling box to 0 'even while the driver sits on the seat 13 and runs the seedling transplanting machine 1 for planting work.

The seedling box feeding device 30 is provided with a seedling box feeding device 30f for feeding the seedling boxes C one row at a time near the seedling pushing position (P). The seedling box feeder 30f
A feed claw 30g that reciprocates along the rail on the upper side of the left and right rails 30b of the seedling box feed guide 30 '.
30g are provided, and the claw portions of the feed claws 30g and 30g enter the groove from the openings provided on the upper surface side of the rail portions 30b, 30b, and the edge portion C of the seedling box C in the groove.
4. From the state of being engaged with the seedling box feeding square holes C5 and C5 provided in C4, the feed claws 30g and 30g move upward to get over the next square holes C5 and C5 and engage again. By moving, the pot C1... Is forcibly transported for one horizontal row. The locking claws 30h, 30h are provided so that the pot C1 for one horizontal row is accurately positioned at the seedling pushing position (P).
When the 30g moves upward, it is disengaged from the square holes C5, C5, and the feed claw 30g moves downward to force the next pot C1. It is configured to engage with C5, C5. Therefore, the locking claws 30h, 30h and the feed claws 30g, 30g engage with the seedling box feeding square holes C5, C5 of the seedling box C, so that the pot C1... Positioned. The feed claw 30g, 30g is between the transmission frames 16d-16
The reciprocating rotation of the seedling feed drive shafts 30i, 30i, 30i provided at b, 16b-16b, 16b-16d is transmitted to operate. That is, the seedling feed drive shaft 30
are connected to a multi-end side of a rotating arm 30k to which one end is connected with a swing arm 30j fixedly attached to each of i and a feed claw 30g by a rod 30m. The transfer operation of the seedling box feeding device 30f is operated after the seedling removal device 31 pushes out the seedlings and the push-out pins 31d ′... Come out from the bottom of the pots C1. .

The seedling removal device 31 is provided with the seedling box supply device 3.
The pot C1 at the seedling pushing position (P) is a device for taking out the seedbeds in the pot one row at a time from the seedling box C which is loaded into the seedling pushing position (P) and sequentially sent to the seedling pushing position (P). The seedling removal device 31 is provided between the transmission frames 16d-16b, 16b.
Drive shafts 3 provided at −16b, 16b−16d
A slide arm 31b is fixed to 1a, 31a, 31a, and a slide case 31d slidably attached to a slide guide shaft 31c fixed to the body is connected to the arm 31b, and the extruding drive shaft 31a reciprocates. The slide case 31d slides back and forth by movement. Then, the seedling box C is placed on the slide case 31d.
Are provided with the same number and the same pitch for the lateral pots C1.
1d 'is the seedling pushing position P of each seedling feeding guide 30'.
Of the gutter portions 30a of the gutter portion 30a.
d ′... penetrate through the seedling push-out holes C6... at the bottom C3... of one horizontal row of the seedling box C located there, and act to push out the seedbed in the pots C1. The projecting and retreating operation of the seedling pushing pins 31d 'is performed after the feeding operation of the seedling box feeding device 30f is finished and the seedling pushing devices 31f' are pushed out by the previous seedling pushing operation and are moved.
Immediately before all of the seedlings in the horizontal row placed on the seedling transfer device 33 have been conveyed to the seedling collecting position S, the pins 31d '
Are projected to start the seedling pushing operation, and the seedling transport device 32
By the time... Transports the seedlings of one plant in the horizontal direction, the seedling pushing-out operation is completed. When the seedling pushing action is completed, the pin 31
d '... retracts to the back side of the gutter 30a ... of the seedling feed guide 30'.

As shown in FIG. 7, the gutter portion 30a of the seedling feed guide 30 'through which the seedling pushing pins 31d'... Pass.
Are provided in an extrusion hole plate 31e fixed to the back side of the gutter portion 30a. The extruded hole plate 31e is provided with a seedling extruding pin 31.
An extruding pin guide portion 31f for preventing displacement of the tip of the seedling extruding pin 31d 'is formed integrally so that d' can surely pass through the extruding hole 31d. The seedling push-out pins 31d 'are always slidably fitted in the holes provided in the push-out pin guides 31f. When the seedling push-out pins 31d' project in this state, they move. Are positioned in the direction, so that the seedling pushing pins 31d 'always pass through the pushing holes 31d. Also, the extrusion hole plate 3
1e is integrally provided with pot left and right position correcting plates 31g for entering the independent bottom valleys on the bottom side of the pots C1 to correct the left and right positions of the pots C1. As a result, the horizontal row of pots C1... Located at the seedling removal position (P) have seedling pushing holes C6.
Are prevented from being shifted left and right with respect to the extrusion holes 31d of the extrusion hole plate 31e, and the seedling extrusion is ensured.

The seedling transfer device 32 is provided with the seedling removal device 31.
This is a device that receives one horizontal row of seedlings extruded by the seedling pushing-out operation and transports the left and right halves to the seedling picking positions SS of the left and right seedling planting devices 33, 33. This seedling transport device 32
A belt 32 is a support member fixed to the transmission case 16 or the connection pipes 16c and the connection frame 16e.
c is supported so that the upper surface is horizontal. Then, the seedling transport belts 32c, 32c are wound around the seedling transport rollers 32a-32b, 32a-32b, and the rotation shaft 32d of one of the left and right central side seedling transport rollers 32a and the transmission case 16 or the connection pipes 16c, 16c. The protruding seedling transport drive shaft 32e and the transmission shaft 32f are connected to each other, and a gear 32g integral with the roller rotation shaft meshes with a gear 32h integral with the rotation shaft of the other seedling transport roller 32a, and the right and left central sides are adjacent to each other. The seedling transport rollers 32a and 32a rotate at the same speed in opposite directions to each other to rotate the left and right seedling transport belts 32.
c and 32c are operated so as to move to the left and right ends, respectively. Also, the seedling transport belt 32
The rotation of c ... is performed in such a manner that the seedlings placed on the upper surface side of the seedling transport belts 32c are aligned with the timing at which the seedling planting device 33 ... picks up seedlings one by one from the seedling picking position (S). (S)... Are operatively rotated so as to be conveyed one by one to the planting guides 32i... A plurality of projections 32c 'are provided on the outer peripheral surface of the belts 32c along the rotation axis direction.
c ′ are placed on the belts 32c so as to be sandwiched therebetween.

The seedling planting device 33 is provided with the seedling conveying device 32.
By means of the planting guide 32i ... the seedling receiving portion 32i 'at the top ...
This is a device that takes the seedlings that have been transported to the plant one by one and plants them in the field. The seedling planting device 33 is mounted on the left and right sides of the rear of the transmission frames 16b, 16b near the center, and inside the rear of the transmission frames 16d, 16d on the left and right ends. This seedling planting device 33 has a configuration in which two seedling planting rods 33b are attached to a rotating case 33a that is driven to rotate in connection with a transmission mechanism in a transmission frame. The tip-side trajectory (T) moves so as to draw an arc, and seedlings are alternately planted on the field. Seedling rod 33b
When passing through the planting guide 32i, the planting guide 32
i. The seedlings of the seedlings received by the seedling receiving portion 32i 'at the top are moved downward so as to push down, and the guide plate 32 of the planting guide 32i provided slightly narrower than the seedling width of the seedlings.
Seedlings are forcibly moved in i ″ .32i ″. Even if it comes out of the guide plates 32i "and 32i", the tip of the seedling mounting rod 33b is transferred to the field mud while holding the nursery. When the seedlings stand upright in the mud, the seedling-bearing rod 33b moves upward so that the tip of the seedling trajectory is slightly depressed upward (so that the seedling-bearing rods 33b do not fall the seedlings backward). Are planted in the field), and seedlings are planted in the field.

A space is provided between each of the three seedling box feeding guides 30 ', 30', 30 'of the seedling box feeding device 30.
7 is configured to be located. As a result, the planting section 4 can be mounted so as to approach the traveling vehicle body 2 as a whole without the rear wheels 7, 7 contacting the seedling box feed guides 30 '. Since the position is also close to the traveling vehicle body 2 side, the planting can be performed close to the ridge, the headland planting width can be narrowed, and the workability can be improved. In addition, even when the auxiliary wheels 7 'and 7' are mounted, the auxiliary wheels 7 'and 7'
・ Since it is located outside of 30 ', the seedling box feed guide 30'
No contact with 30 '.

The seedling transplanter 1b shown in FIG.
are provided using spaces provided between the seedling box feeding guides 30 ', 30', and 30 '. Each of the seedling box feed guides 3
0 ′... Are provided on the left and right sides of the seedling supply port 30′a. The engaging portions 21 are integrally formed on the left and right sides of the seedling box feed guide 30 '.
21 is provided so that the seedling box C is engaged with the engaging portions 21 in such a manner that the longitudinal direction is forward and backward and the short direction is obliquely inclined, and a spare seedling box is mounted. Reference numeral 22 denotes a plate for stopping the seedling box C engaged with the engaging portions 21 and 21 from sliding down. With the simple configuration as described above, the spare seedling boxes C can be mounted, and at the time of seedling replenishment, the seedling box C is displaced obliquely upward to disengage the engagement with the engaging portion 21, and the seedlings are kept as they are. Seedling supply port 3 of box feed guide 30 '
Seeding can easily be replenished simply by falling over 0'a, and the workability is very good.

The seedling transplanter 1c of FIG. 15 has an automatic seedling replenishing mechanism in the form of a spare seedling table 20a of the seedling transplanter 1b of FIG. That is, the seedling mounting portions 23 are integrally formed on the left and right sides of the seedling supply ports 30'a.
23, while rotatably supporting rods 24, 24 are provided, and the spare seedling boxes C, C are supported by the seedling mounting portions 23, 23 and the supporting rods 24, 24 in an obliquely inclined state. It is provided to be mounted. 25 is the seedling box C mounted
・ The right and left seedling mounting parts 23
It is attached so that the rear end of 23 is playfully. The supporting rods 24, 24 swing at the time of seedling replenishment to enable automatic seedling replenishment. That is, between the upper ends of the plates 26 and 26 rising upward from both ends of the left and right seedling mounting parts 23 and 23, a U-shaped connecting member 27 having a horizontal cross-sectional shape opened downward is connected to the connecting member 27. Rotating shaft 28
28, and the supporting rods 24
Bosses 24b, 24b at the bases of the swing arms 24a, 24a, which are fixedly attached to the fitting 24, are rotatably fitted. Cam-shaped portions 24b 'and 24b' are provided integrally with the boss portions 24b and 24b at the bases of the swing arms 24a and 24a, and are attached to the connecting member 27 at the steps of the cam-shaped portions 24b 'and 24b'. Solenoid SOL1 ・ SOL2 pins 29 ・ 29
Is provided so as to be disengageable. At the position of the support rods 24, 24 when the pins 29, 29 are engaged with the steps of the cam-like portions 24b ', 24b', the spare seedling boxes C, C can be supported in an obliquely inclined state. Become. By the way, in order to detect the decrease in the number of seedlings, the seedling box feed guides 30 'are provided with the seedling reduction detection switches S1 for detecting the presence or absence of a seedling box on the upper side near the seedling pushing position (P). . When the switch S1 is turned on to detect a decrease in seedlings, the solenoid SOL1 on the right side is excited, the pin 29 retracts, and the tip of the pin disengages from the step of the cam-shaped portion 24b ',
The spare seedling box C, which has been supported obliquely by swinging the right swing arm 24a, falls down onto the seedling box feed guide 30 'to be replenished. When the seedling reduction detection switch S1 is turned on again and the seedling reduction is detected, the seedling box of the right seedling mounting portion 23 has already been supplied, and the seedling box detection switch S2 provided there has been turned on. So the left solenoid S
When the OL2 is excited, the pin 29 is retracted, the tip of the pin is disengaged from the step of the cam-like portion 24b ', and the left swing arm 24a swings to support the spare seedling box C which is obliquely supported. Falls on the seedling box feed guide 30 'and is supplied.
When the replenished seedlings decrease and the seedling decrease detection switch S1 is turned on, the supporting rods 24, 24 are manually rotated to the seedling box supporting position, and the pins 29, 29 of the solenoids SOL1, SOL2 are disengaged. Engage with the step portions of the cam-shaped portions 24b 'and 24b', and place new spare seedling boxes C and C on the seedling mounting portions 23 and 23 again.
With. B is a buzzer that notifies of the decrease in seedlings. As described above, in the seedling transplanter 1c, the automatic seedling replenishing device can be configured with a compact and simple configuration.

The seedling transplanter 1d shown in FIG. 18 is provided with an upper seedling supply device A above the body. Upper seedling supply device A
Are the pillars 50.5 fixed to the frames 8.8 of the running vehicle body 2.
0, 51, 51, upper frames 52, 52 supported by
53.53, 54.54.54.54, 55, 56, 5
7. An idle roller 59 is provided between each of the belt frames 54, 54, 58, 58 of the upper frame, and a seedling box transport belt 60 is stretched by the rollers. Idler roller 5 at rear end position
The rotating shaft of the motor 61 is connected to the rotating shaft of 9.
The upper surface side of the seedling box transport belts 60 is rotated so as to move to the planting section 4 side. The seedling box C placed on the belt 60 is passed over the connecting guide 62 at the rear end of the seedling box transport belt 60, and slides down on the connecting guide 62 to slide the seedling box feed guide of the planting section 4. 30 '… Seedling box C inside
Is supplied. The linking guide 62 is rotatably attached to the rear frame 57 of the upper frame so that the rear end thereof can move up and down. The seedling box transport belts 60 are activated when the seedling reduction switches S'1 provided on each seedling box feeding guide 30 '... detect a decrease in seedlings. Numerals 63 are conveying guides for guiding the seedling boxes C conveyed on the seedling box conveying belt 60. At the front end side of the seedling box transport belts 60, there are three stages of seedling stands 64a.
Are provided. The seedling box supply shelves 64...
52 are rotatably attached to the free ends of rotating arms 66 which are integrally fixed to a rotating shaft 65 rotatably provided between the front ends of the rotating arms 52. The rotating arms 66 are motors 67
・ It is designed to rotate at 67, and its motor 67
The rotation of 67 is controlled so that the seedling box supply shelves 64 stop at predetermined positions. Seedling box supply shelf 64
The sprocket 68 fixed to the frame side and the seedling stand 64a are pivoted integrally with the turning arm 66 so that the seedling stand 64a is always horizontal even when the rotating arm 66 turns. A chain 71 is hung on a sprocket 70 fixed on a supported shaft 69. By rotating the rotating arms 66 forward, the seedling box supply shelves 64 can be moved on the road, where the seedling boxes C are mounted on the seedling stands 64a. Then, when the rotating arms 66 are rotated upward, the U-shaped notch 64b of the lower seedling stand 64a stops at a position slightly lower than the upper surface position of the front end of the seedling box transport belt 60. If the seedling reduction switches S'1... Detect that the seedlings have decreased, the seedling box transport belts 60 operate and the lower seedling stand 64 is operated.
The seedling box C of a ... is conveyed to the planting section 4 side. When the switch S'2 for detecting that the conveyed seedling box C has been conveyed out of the seedling stand 64a is detected, the rotating arm 66 is turned to rotate the middle seedling stand. The U-shaped notch 64b of 64a stops at a position slightly lower than the upper surface position of the front end of the seedling box transport belt 60. Then, the seedling boxes C on the middle seedling stand 64a are conveyed to the switch S '.
2 detects the seedling box again, the rotating arms 66 rotate to stop the U-shaped notch 64b of the upper seedling stand 64a at a position slightly lower than the upper surface position of the front end of the seedling box transport belt 60. Then, the seedling boxes C on the seedling stand 64a in the upper stage are transported.
Reference numeral 72 denotes a roof that covers a lower portion of the upper seedling supply device A. As described above, since the upper seedling supply device A is configured, this seedling transplanter 1d mounts a large number of seedling boxes C, and all the mounted seedling boxes C... When the seedling box is no longer available, the rotating seedling box supply shelf 64 moves to the front of the fuselage and can be directly placed on the seedling box supply shelf 64 from the road. Workability is significantly improved.

As described above, this seedling transplanting machine moves the seedling box up so that the seedling box containing the seedling is supplied from the upper side, the seedling is taken out of the seedling box at the lower side, and the empty seedling box is discharged to the upper side. A seedling box supply unit provided with a transfer unit that transfers the seedlings downward from the side and transfers the seedlings upward from the lower side, and supplies the seedlings from one of the seedling box supply units to the two-row seedling planting apparatus. yet the portion of the left-right center side and its left and right outer side three-body distance spaced side by side arranged with Article 6 planted planting unit 4 vertically movably mounted seedlings transplanter in the vehicle body 2, left-right center side The seat 13 is arranged at a position facing the front and rear with respect to the seedling box supply part of
The seedling box supply section 30'a of the seedling box supply section is arranged near the seat 13, and the wheels 7,
7 with the seedling box supply section on the left and right
Between the seedling box supply section on the right side and the left and right
Between the seedling box supply section at the center on the left and right and the seedling box supply section on the left side
Arranged and both right and left with respect to the seat 13 in the horizontal direction of the aircraft
Seat to the seedling box supply section on the outside and in the longitudinal direction of the fuselage
Since the spare seedling platforms 20 are arranged on the side where the seats 13 are arranged, the worker sitting on the seats 13 needs
It is difficult to remove the seedling box due to the elevation of the planting section 4
And the wheel arrangement is devised as described above.
The aircraft's front and rear length will not be as long as possible
The seedling box supply section of the seedling box supply section is located near the seat 13.
Made by sea urchin structure is placed, seedlings taken from the preliminary seedling loading table
It is easier to supply the boxes to the seedling box supply section.
Seedlings can be easily supplied.

[Brief description of the drawings]

FIG. 1 is a partially broken plan view of a seedling transplanter.

FIG. 2 is a side view of a seedling transplanter.

FIG. 3 is a plan view of a seedling transplanter.

FIG. 4 is a plan view of a planting portion.

FIG. 5 is a sectional view of a seedling box feed guide.

FIG. 6 is a side view showing an operation configuration of the seedling box feeding device.

7A is a side view showing the operation configuration of the seedling removal device, and FIG.

FIG. 8 is a cross-sectional rear view showing the configuration of the seedling transfer device.

FIG. 9 is a side view showing the configuration of the seedling planting apparatus.

FIG. 10 is a plan view of another seedling transplanter.

11 is a sectional side view of a main part of the seedling transplanter of FIG.

FIG. 12 is a plan view of another seedling transplanter.

FIG. 13 is a side view of the seedling transplanter of FIG.

FIG. 14 is a sectional view of a preliminary seedling mounting portion of the seedling transplanter of FIG. 12;

FIG. 15 is a plan view of another seedling transplanter.

FIG. 16 is a side view of the seedling transplanter of FIG.

17 (a) is a cross-sectional view, and FIG. 17 (b) is a circuit diagram showing a configuration of an automatic seedling supply device of the seedling transplanter shown in FIG.

FIG. 18 is a side view of another seedling transplanter.

FIG. 19 is a plan view of the seedling transplanter of FIG. 18;

FIG. 20 is a mechanism diagram showing a configuration of a handle fixing device.

21A is a perspective view, FIG. 21B is a partial sectional side view, and FIG. 21C is a partial plan view of the seedling box.

[Explanation of symbols]

 1: seedling transplanter 2: running car body 3: link 4: planting part 6.6: front wheel 7.7: rear wheel 30: seedling box feeding device 30 ': seedling box feeding guide (seedling box feeding section) 33: seedling Planting device PL: Planting line PL ': Adjacent planting line

Claims (1)

(57) [Claims] The seedling box containing the seedlings is supplied from the upper side, the seedlings are taken out of the seedling box at the lower side, and the seedling boxes are transported downward from the upper side so that the empty seedling boxes are discharged to the upper side. A seedling box supply unit having a transfer unit for transferring the seedlings upward from the lower side is provided, and the portion configured to supply the seedlings from one seedling box supply unit to the two-row seedling planting apparatus is positioned at the left and right center sides. and right and left planting unit 4 of the both outer side at a 3-body distance alongside planted Article 6 provided vertically movably mounted on the vehicle body 2 that faces the back and forth relative seedling box supply of left-right center side A car in which the seat 13 is arranged at the position and the seedling box supply point 30'a of the seedling box supply section is arranged near the seat 13, and the car 13 is arranged near the lower right and left sides of the seat 13.
Wheels 7, 7 are placed in the seedling box
Between the feeding section and the seedling box feeding section on the right side of the
And the seedling box supply section on the left and right center and the seedling box supply section on the left side
Between the seat 13 in the lateral direction of the body and the outer side of the seat 13 and the seedling box supply section in the longitudinal direction of the body.
A seedling transplanter characterized in that spare seedling platforms 20 are arranged on the side where the seat 13 is arranged .