JPH10327622A - Transplanter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a transplanter capable of efficiently and simultaneously transplanting seedlings in two rows, three rows or four rows by one transplanter. SOLUTION: This transplanter has right and left wheels for supporting a mobile machine body 2A installed so that the distance of the wheels may be changeable and also the position between the right and left wheels in the right and left direction may be controlled, and a transplanting device 3 moving in the same right and left direction as that of the mobile machine body and installed in the rear side of the mobile machine body. The transplanting device is provided with a right and left pair of seedling-placing platforms 35 for placing seedling trays having many seedlings and moving the seedling tray right and left, and seedling-separating and conveying devices 36 for conveying the seedlings from the seedling trays to the planting body. Further, a clutch for cutting and connecting the power to the right or left one side transplanting body and the seedling-separating and conveying device 36 is installed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transplanter for planting seedlings such as vegetables in a field while traveling.

[0002]

2. Description of the Related Art Conventionally, planting means for planting seedlings on ridges behind a running body, a seedling mounting table for placing a seedling tray on which a large number of soil block seedlings have been raised, and a seedling tray for planting means. There is a transplanting device mainly provided with a seedling transferring means for transporting seedlings, and the seedlings are planted on ridges while traveling.

In this type of transplanter, two-row planting,
In order to perform the row planting and the four-row planting with one transplanter, the transplanting device of the transplanter for the one-row planting is made movable in the left-right direction, and the two-row planting is performed by reciprocating the ridge once in the longitudinal direction. ,
Three-row planting is performed in one round trip and four-row planting is performed in two round trips.

[0004]

In the above-mentioned conventional apparatus, there are problems that the number of times of traveling in the longitudinal direction of the ridge is large, the planting efficiency is poor, and the fields (headlands, ridges, etc.) are roughened. .
SUMMARY OF THE INVENTION An object of the present invention is to provide a transplanting machine that can efficiently perform a transplanting operation when performing two-row, three-row, and four-row planting with one transplanter.

[0005]

According to a first aspect of the present invention, there is provided a vehicle having a vehicle body provided with left and right wheels for supporting a traveling body so that the distance between the wheels can be adjusted. A transplanting device which is capable of adjusting the position in the left-right direction between the left and right wheels and is provided on the rear side of the traveling machine so as to be able to move with the traveling machine in the left-right direction, and this transplanting device is used for planting seedlings in a field. And a pair of right and left seedling placement tables for placing seedling trays having a large number of seedlings and moving in the left and right direction, and a seedling transfer device for transferring seedlings from the seedling trays to the planted body. It is characterized in that a clutch for connecting and disconnecting the power to the planting body on one side or the seedling delivery device is provided.

According to a second aspect of the present invention, one of the left and right wheels supporting the traveling body can be adjusted in the left-right direction with respect to the traveling body and the other wheel. A grounding member for detecting the height of a ridge disposed below the traveling body, and a transplanting device disposed on the rear side of the traveling body, and moving the traveling body in the left-right direction. Possible, said implantation device,
A seedling for planting seedlings in a field, a seedling table on which a seedling tray with a large number of seedlings is placed and moved in the left-right direction, and a seedling feeding device for transferring seedlings from the seedling tray to the planting body are left and right. One of the left and right planting bodies, seedling mounting table, and seedling feeding device are disposed behind the traveling machine, and the other planting body, seedling mounting table, and seedling feeding device are arranged from the traveling machine to the A clutch is disposed on one wheel side and a clutch is provided for connecting and disconnecting power to the planted body and the seedling feeding device.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. 1 and 2, reference numeral 1 denotes a walking type transplanter for transplanting soil block seedlings such as vegetables into a field, and the transplanter 1 has a transplanting device 3 behind a traveling body 2.
And a walking type having a steering handle 4, in which soil block seedlings are automatically planted at predetermined intervals on the ridge 5 while running in the longitudinal direction across the ridge 5.

The direction of travel of the transplanter 1 is referred to as the front-back direction, and the lateral direction perpendicular to the direction of travel is referred to as the left-right direction. The traveling body 2 has a body frame 7 attached and fixed to a front portion of the transmission case 6 so as to protrude forward.
There is provided a traveling body 2A having a main configuration on which an engine 8 and the like are mounted, and the traveling body 2A is movably supported by front wheels 10L and 10R and rear wheels 11L and 11R provided on both left and right sides.

As shown in FIG. 3, a front wheel support shaft 12 is disposed at the front of the body frame 7 in the left-right direction. The front wheel support shaft 12 is composed of an outer cylindrical body 12a and an inner shaft body 12b which is slidably inserted in the outer cylindrical body 12a from the right side in the left-right direction and rotatable integrally around the left-right axis. It is said to be stretchable. The outer cylinder body 12a is disposed around the axial center in the left-right direction via a bearing at the front part of the body frame 7 and at the front part of the first and second side frames 13 and 14 arranged in the front-rear direction on the right and left sides of the body frame 7. The body frame 7 is rotatably supported by the outer cylinder 12a.
The upper part is relatively movable in the left-right direction.

On the right side of the second side frame 14, a third side frame 15 is arranged in parallel.
The inner shaft body 12 is provided at the front portion of the side frame 15 via a bearing body.
b is rotatably supported around the left-right axis,
The front ends of the first and second side frames 13 and 14 are interconnected by a front frame 16. Outer cylinder 1
A shaft 17 is fixed to the left end side of 2a, and the front wheel support arm 1 is attached to the shaft 17 and the inner shaft body 12b via a mounting cylinder 18.
The front wheels 10L and 10R are supported at the lower ends of the left and right front wheel support arms 19 so as to be rotatable around a left-right axis.

Behind the body frame 7, the rear frame 2
0 are arranged in the left-right direction. This rear frame 20
Is composed of an outer cylindrical body 20a formed of a pipe, and an inner shaft body 20b inserted slidably from the right side of the outer cylindrical body 20a in the left-right direction, and is extendable. Outer cylinder 20a
Is connected to the rear portions of the first and second side frames 13 and 14, and the inner shaft body 20 b is connected to the rear portion of the third side frame 15. The transmission case 6 is supported by the outer cylinder 20a.

The first and third side frames 13 and 15 support supporting cylinders 21 and 22 rotatably around the left-right axis, respectively.
An upper portion of a transmission case 23 is fixed to 2, and rear wheels 11 </ b> L and 11 </ b> R are rotatably supported at lower portions of the left and right transmission cases 23. The left side of the outer cylinder 12a and the inner shaft 12b of the front wheel support shaft 12 are provided with front brackets 24 protruding upward.
L, 24R are fixed, and the rear brackets 25L, 25R are also fixed to the left and right support cylinders 21, 22 so as to protrude upward, and the front brackets 24L, 24R and the rear brackets 25L, 25R on the same side are connected. They are connected by rods 26L and 26R. Another bracket 27 is fixed to the left support cylinder 21 so as to protrude upward, and the bracket 27 has a piston rod 28a of a lifting cylinder 28 composed of a hydraulic cylinder mounted and supported on the first side frame 13. Are linked.

Therefore, by moving the piston rod 28a of the lifting cylinder 28 up and down, the left transmission case 23 swings up and down around the axis of the support cylinder 21 and the left and right front wheels via the left connecting rod 26L. The support arm 19 swings up and down around the axis of the front wheel support shaft 12, and furthermore, the right transmission case 2 via the right connection rod 26R.
3 swings up and down around the axis of the support cylinder 21, whereby the left and right front and rear wheels 10 L, 10
R, 11L, and 11R move up and down simultaneously with the four wheels,
A can be moved up and down with respect to the ridge 5.

A tread adjusting cylinder 29 composed of a hydraulic cylinder is disposed between the transmission case 6 and the second side frame, and a cylinder tube 29a of the tread adjusting cylinder 29 is connected to an outer cylinder 20a of the rear frame 20.
The piston rod 29b is supported and fixed on the traveling body 2A side such as the transmission case 6 and the like, and the third side frame 15
Connected to the rear.

Therefore, by moving the cylinder rod 29b of the tread adjusting cylinder 29 back and forth, the third
The side frame 15 is moved in the left-right direction, and the front wheel spindle 1
2 and the rear frame 20 extend and contract,
The R and 11R are moved in the left-right direction, so that the tread can be adjusted according to the ridge width. The rotational power of the engine 8 is input to a power transmission mechanism in the transmission case 6 via a belt-winding power transmission mechanism and the like, and power for the traveling system is output from output shafts 30L and 30R protruding to the left and right of the transmission case 6. Then, the rear wheels 11L, 11R, from the left and right output shafts 30L, 30R via the power transmission mechanism 31 in the transmission case 23.
Power is transmitted to 11R, and the left and right rear wheels 11L and 11R are driven.

The left and right output shafts 30L and 30R are extendable and contractible in the left and right direction, and are adapted to adjust the tread and move the transmission case 6 left and right. The transmitted power is connected and disconnected independently of the left and right by individual clutches. As shown in FIGS. 1, 2 and 4, the transplanting device 3 includes a main frame 32, a planting frame 33, a planting device 34 for planting seedlings in the ridges 5, and a seedling in which a large number of seedlings have been raised. A seedling placing table 35 on which the tray T is placed, a seedling feeding device 36 for taking out seedlings one by one from the seedling tray T and transporting the seedlings to the planting means 34, and a pair of left and right soil cover / pressure reduction wheels 37.
The main configuration is provided with a support frame 38 that supports the left and right seedling mounting tables 35.

The main frame 32 is formed in a rectangular shape in plan view from a pair of left and right side frame members and front and rear frame members, and a front portion of the left main frame 32 is fixedly mounted on the transmission case 6. , Outer cylinder body 20a of rear frame 20
The transmission case 6 is supported by the outer cylindrical body 20a of the rear frame 20 so as to be movable in the left-right direction via a pair of upper and lower and left and right rollers 39A. A lower front portion of the steering handle 4 is fixed to a rear portion of the left main frame 32.

The front portion of the right main frame 32 is supported by the outer cylinder 20a of the rear frame 20 via a pair of upper and lower and left and right rollers 39B so as to be movable in the left and right directions. Also,
The left and right main frames 32 are mutually connected by front and rear connecting members 40. The support frame 38 is mainly composed of a pair of front and rear rail bodies 41A and 41B arranged in the left-right direction, and a pair of left and right connecting members 43 connecting the left and right ends of the rail bodies 41A and 41B. The front rail body 41A is connected and fixed to the left and right main frames 32, and the rear rail body 41A.
B is connected and fixed to the handle 4.

On the front and rear rail bodies 41A and 41B, left and right seedling mounting tables 35 are supported via rollers and the like so as to be movable in the left and right directions. A first PTO shaft 43 protruding on both left and right sides and a second
A PTO shaft 44 is provided, and PTO-based power can be taken out from a power transmission mechanism in the transmission case 6.

A gear case 45 is attached and fixed to a front portion of the right main frame 32. A first PTO shaft 43 protruding rightward is inserted into the gear case 45, and
The PTO shaft 43 projects rightward from the gear case 45. An output shaft 47 connected to the first PTO shaft 43 in the gear case 45 is provided at a rear portion of the gear case 45.
Are provided so as to protrude rearward.

The left and right planting frames 33 are formed in a front open U-shape from a pair of left and right side frame members and a rear frame member connecting the rear ends of the side frame members.
2 below. The front portions of the left and right planting frames 33 are supported by the first PTO shaft 43 via bearings so as to be relatively rotatable around the left and right axes, and are vertically swingable.

The planting device 34 and the soil cover / compression ring 37 are attached to the planting frame 33, and the seedling feeding device 36 is attached to the main frame 32. Therefore, the first, second, and third side frames 13, 14, 1
5, a support frame which is composed of a front frame 16, a rear frame 20, a front wheel support shaft 12, and the like, is extendable in the left-right direction, and is supported by the left and right front and rear wheels 10L, 10R, 11L, 11R so as to be able to move up and down. Thus, the traveling body 2A and the transplanting device 3 can be integrally moved in the left-right direction.

The transplanter 1 has a first restricting means for restricting the expansion and contraction of the support frame (ie, expansion and contraction of the front wheel support shaft 12 and the rear frame 20), and a lateral movement of the traveling body 2A with respect to the support frame. And a second regulating means for regulating the tread by releasing only the first regulating means and moving the piston rod 29b of the tread adjusting cylinder 29 back and forth to perform tread adjustment. Only the second regulating means is provided. Is released and the piston rod 29b of the tread adjusting cylinder 29 is retracted, whereby the traveling body 2
The left and right positions of the A and the transplant device 3 can be adjusted.

As shown in FIG. 5, each of the left and right planting devices 34 is mainly composed of a plant 53 and a swing link mechanism 54. The planting body 53 is formed of a tubular body having an upper opening and a lower opening, and a beak-shaped opening device is provided at the lower part of the implant 53 so that it can be opened and closed. The swing link mechanism 54 includes a first parallel link 56 pivotally supported by a bracket 55 fixed at the upper end to the planting frame 32 and swinging back and forth, and a relay plate pivotally connected to a lower end of the first parallel link 56. 57 and relay plate 5
7 the second parallel link 5 whose front end is pivotally supported and swings up and down
The cylindrical portion of the implant 53 is pivotally connected to the rear end of the second parallel link 58.

A bearing 59 is fixed to the upper link 58a of the second parallel link 58. The bearing 59 is provided between the crank arm 60a of the crank shaft 60 rotatably supported on the planting frame 32 around the left and right axes. Of the crank pin 60b is inserted. Accordingly, the rotation of the crankshaft 60 in the counterclockwise direction in FIG. 6 causes the planting body 53 to swing up and down while swinging up and down due to swinging of the first and second parallel links 56 and 58. Then, the plant 53 moves with respect to the traveling body 2 so as to draw a vertically long substantially elliptical trajectory. Then, seedlings are dropped and supplied to the planted body 53 at the upper end side of the track, and the planted body 53 is lowered with the lower opening device closed, and the opening device enters the ridge 5, and after the entry, The opening device is opened back and forth by the interlocking tool 61 to form a planting hole in the ridge 5, and the seedling stored in the planting body 53 is released into the planting hole, so that the seedling is ridged. 5 planted.

The crankshafts 6 of the left and right planting devices 34
Power is transmitted to the crankshaft 60 from the first PTO shaft 43 by a power transmission mechanism (not shown).
Is rotationally driven, and power is transmitted to the crankshaft 60 of the right implanting device 34 via the clutch 48, and the power transmission from the first PTO shaft 43 to the crankshaft 60 is disconnected. It is configured to be able to.

A pair of soil covering / compression wheels 37 are disposed on the left and right sides behind each planting device 34, and the front part is pivotally supported on a bracket 62 fixed downwardly protruding from the planting frame 32 so that the front part is rotatable around the left and right axes. Attached to the frame 63,
A rear portion of the frame 63 is provided with a locking plate 64 fixed to the rear portion.
Are locked to a lever 65 fixed to the planting frame 32.

Therefore, the soil covering / compression ring 37 rolls on the ridges 5 so that the soil can be squeezed from both the left and right sides at the planting portion of the seedling planting portion and the plant compression can be suppressed.
Thereby, the rear part of the planting frame 32 is supported so as to follow a change in height (unevenness) of the upper surface of the ridge 5. Further, the vertical locking position of the locking plate 64 with respect to the lever 65 can be changed freely, and the vertical spacing between the soil covering / pressure reduction wheel 37 and the planting frame 32 can be adjusted. The planting depth can be adjusted.

It should be noted that the adjustment of the implantation depth can be performed from the left side of the rear part of the transplanter 1 in conjunction with the left and right implantation devices 34. This is because the worker walks on the left side of the rear part of the transplanter 1, so that the planting depth farther from the worker can be easily adjusted. As described above, the left and right seedling rests 35 are supported by the support frame 38 so as to be movable in the left-right direction, and place and support the seedling tray T in a backwardly inclined state. As shown in FIG. It has a mounting plate 66 that supports the bottom of the seedling tray T. The mounting plate 66 is arranged and fixed between a pair of left and right side plates 67.

At the lower part between the left and right side plates 67, a left and right vertical feed drive shaft 68 is provided over the right and left seedling mounting tables 35, and at the upper part between the left and right side plates 67, a left and right vertical feed driven shaft 69 is provided. A pair of left and right driving sprockets 70 are fixed to the driving shaft 68, and a pair of left and right driven sprockets 71 are fixed to the driven shaft 69. An endless chain 72 is mounted between the driving sprocket 70 and the driven sprocket 71, and a gap between the pot portions P of the seedling tray T in the vertical direction (up and down direction) is provided on the chain 72. The transport pin 73 that engages with is mounted to protrude inward in the left-right direction. Therefore, the drive shaft 68
However, by rotating in the direction indicated by arrow A in FIG. 6, the seedling tray T is pushed by the transport pin 73 and can be fed vertically.

A transverse feed shaft is formed between the left and right connecting members 43 of the support frame 38 and formed with a special screw (napya screw) which penetrates the right and left seedling mounting table 35 and is connected to the valleys of the right and left screws cut at the same pitch. A lateral feed shaft 74 is supported rotatably. A slider 75 that engages with a special screw on the lateral feed shaft 74 is externally fitted. The slider 75 is connected to a pair of left and right engaging pieces 76 provided on the back surface of the mounting plate 66 of the seedling mounting table 35.

The transverse feed shaft 74 is intermittently driven to rotate. When the transverse feed shaft 74 is driven to rotate intermittently, the slider 75 moves intermittently in the left-right direction and a screw formed on the transverse feed shaft 74 is formed. And the left and right seedling rests 35 are reciprocated in the left-right direction in synchronization with each other. The lateral feed shaft 74 is stopped when the seedlings are removed from the pot portion P by the seedling feeding device 36, and rotates after the seedlings are removed from the pot portion P, and the horizontal arrangement of the pot portions P is performed. It is configured to rotate intermittently so as to move the seedling mounting table 35 by one pitch in the direction (left-right direction).

A vertical feed cam 77 is fixed on both the left and right sides of the left seedling platform 35 on the horizontal feed shaft 74, and a vertical feed operating shaft 78 is provided on the left seedling platform 35. The follower 7 engaging with the vertical feed cam 77 is provided on the feed operation shaft 78.
9 are provided as a pair on the left and right. Then, when the seedling placing table 35 moves to the left and right ends, the follower 79 is pushed by the vertical feed cam 77, the vertical feed operation shaft 78 rotates, and the vertical feed means 80 is operated via a link or the like. The vertical feed drive shaft 68 is rotated so as to transfer the seedling tray T by one pitch of the pot portion P in the vertical arrangement direction of the pot portion P (the arrangement direction orthogonal to the left-right direction).

Thus, when the removal of the soil block seedlings S from the horizontal row of pot portions P is completed, the seedling tray T is fed vertically by an amount corresponding to the vertical interval of the pot portions P. I have. The portion of the seedling tray T from which the seedlings have been taken out is folded back along the drive sprocket 70 toward the lower surface of the mounting plate 66. The seedling tray T is made of plastic, is formed to be thin, has flexibility, and has a large number of pot portions P arranged in a grid pattern at predetermined pitches in the vertical and horizontal directions. Are connected to each other in a planar manner. Then, the pot portion P is filled with floor soil, sowed and seedling there, so that soil block seedlings are grown.

As shown in FIG. 7, each of the left and right seedling feeding devices 36 has a seedling removal claw 81 and a drive shaft 82. When the drive shaft 82 rotates counterclockwise from the state shown in FIG. The crank body 83 rotates together with the roller 85 fitted to the crank pin 84 to push the cam plate 86 to swing the extruding link 87 toward the seedling tray T, whereby the holding member 88 is held.
The nail support 90 is pushed toward the seedling tray T side to compress the springs 91 and 92. As a result, the seedling removal claw 81 protrudes and penetrates the block soil of the seedling S, and has a restoring force for the claw support 90 to retreat.

When the drive shaft 82 further rotates counterclockwise from this state, the roller 85 slides in the groove cam 94 of the swing arm 93, so that the swing arm 93 is rotated.
After swinging around A in a direction away from the seedling tray T, the seedling extraction nail 81 moves backward with respect to the seedling tray T together with the nail support 90, the nail guide 95, and the holder 88, and the block soil of the seedling S is placed in the pot. It is taken out from the part P.

Thereafter, when the drive shaft 82 further rotates counterclockwise, the claw support 90, the claw guide 95 and the holder 8 are rotated.
8, the seedling removal claw 81 moves in the direction away from the seedling tray T, and the roller 85 slides on the front rising portion of the cam groove 94, so that the seedling removal claw 81 and the like are changed to a substantially downward posture. The seedling S is placed in the planted body 53 while
Position above.

Then, when the seedling removal claw 81 is moved to a state in which the seedling removal claw 81 is in a substantially downward position, the claw guide 95 is projected by the urging force of the spring 92, and the seedling S held by the seedling removal claw 81 is removed. Push it out of the claw 81 and remove it,
The plant 53 is dropped into the plant 53 from above. After that, the state shown in FIG. 7 is caused by the rotation of the drive shaft 82 in the counterclockwise direction in FIG. 7, and the above operation is repeated.

As shown in FIGS. 2, 4 and 7, the left and right seedling feeding devices 36 are supported by gear boxes 96 fixed to the left and right main frames 32, respectively.
The input shaft 97 is connected to the second PTO shaft 44 via a universal joint 99, and the input shaft 97 of the right gear box 96 is connected to the output shaft 47 via the universal joint 99.

The power transmitted to each input shaft 97 is
The seedling feeding device 3 is linked to the drive shaft 82 of the seedling feeding device 36 via a power transmission mechanism in the gear box 96, and is driven by power from the second PTO shaft 44 or the output shaft 47.
6 is driven, and a clutch 49 for connecting and disconnecting power transmission from the input shaft 97 to the drive shaft 82 is provided in the right gear box 96.

An output shaft 100 projects rightward from the right gear box 96, and the output shaft 100 is supported by the support frame 38.
Transmission mechanism 1 in transmission case 101 fixed to the right side of
02 to the traverse feed shaft 74 via the
The power is intermittently transmitted from the PTO shaft 43 to the transverse feed shaft 74 via an intermittent power transmission mechanism in the right gear box 96.

As shown in FIGS. 2 and 5, an elevating control valve 104 for controlling the elevating cylinder 28 is fixed on the transmission case 6, and is provided below the rear side of the transmission case 6 and in front of the plant 53. , A grounding roller (grounding member) 105 that rolls on the upper surface of the ridge 5 is disposed in the left-right direction. A swing arm 1 is provided on both left and right sides of the ground roller 105.
06 are disposed in the front-rear direction, and the left and right swing arms 1
Reference numeral 06 denotes a support shaft 107 whose front portion penetrates through the arm 106 and is screwed to the transmission case 6 so as to be swingable around the left and right axes. The swing arm 106 swings around the support shaft 107 by detecting the change in height of the ridge 5 when the ground roller 105 follows the change in height on the upper surface of the ridge. It is supposed to.

The rear ends of the left and right swing arms 106 are connected by a scraper 109. A mounting plate 110 is fixed to the front part of the left swing arm 106,
A lower end side of an interlocking arm 111 arranged in the up-down direction is attached and fixed to a front portion of the attachment plate 110.

The arm 11 is located above the interlocking arm 111.
One arc-shaped long hole 112 is formed, and a pin 113 is slidably fitted in the long hole 112, and the pin 113 is pivotally connected to one end of an elevating valve arm 114 shaped like a side view. I have. An intermediate portion of the lift valve arm 114 is rotatably supported on the body of the lift control valve 104 via a support shaft 115 around a left-right axis. An engagement groove is formed at the other end of the lift valve arm 114. 116 are formed.

The engagement groove 11 of the lift valve arm 114
6 is engaged with a pin 118 provided on one end side of an operation lever 117 formed of a bell crank, and an intermediate portion of the operation lever 117 is a rotary spool 1 of the elevation control valve 104.
19 is attached. Therefore, the ground roller 1
05, the swing arm 106 and the interlocking arm 1
5 pivots around the support shaft 107 in the clockwise direction in FIG. 5, and the elevating valve arm 114 rotates in the counterclockwise direction in FIG. 5 around the support shaft 115, whereby one end of the operation lever 117 is pulled up. Rotating spool 119 of lifting / lowering control valve 104
Is operated in the direction of lowering the traveling body 2A, the piston rod 28A of the elevating cylinder 28 operates in the retracting direction, and the traveling body 2A descends until the rotary spool 119 returns to the neutral position.

When the ground roller 105 rises, the swing arm 106 and the interlocking arm 111 rotate counterclockwise in FIG.
5 rotates clockwise in FIG. 5 around the support shaft 115, whereby one end of the operation lever 117 is pulled down, and the rotary spool 119 of the control valve 104 for raising and lowering is operated in a direction to raise the traveling body 2A. The piston rod 28A of the lifting cylinder 28 operates in the projecting direction, and the rotating spool 119
The traveling body 2A rises until the vehicle returns to the neutral position.

The other end of the operation lever 117 is hooked to one end of a sensitivity spring 120 composed of a tension spring, and the other end of the sensitivity spring 120 is connected to a hook member 121 fixed to the main frame 32. The pressing force of the grounding roller 105 against the upper surface of the ridge 5 can be changed by changing the position where the sensitivity spring 120 is locked to the locking member 121, whereby the pressing force of the grounding roller 105 against the upper surface of the ridge 5 can be changed. The tracking sensitivity can be adjusted.

When three rows are to be planted by the transplanter 1 having the above-described configuration, first, the tread is adjusted to an interval corresponding to the width of the ridges for three rows. At this time, as shown in FIG. 9, the front and rear wheels 10R, 11 on the right side (the side moving left and right with respect to the traveling body 2A).
R is positioned outside the groove 122 between the ridges 5 in the left-right direction. As shown in FIG. 9, the front and rear wheels 10L and 11L on the left side (the side that does not move with respect to the traveling body 2A) have grooves 12 between the ridges 5.
2 (they may be located outside or in the center).

Next, the position of the traveling machine body 2A and the transplanting device 3 in the left-right direction is adjusted so that the seedlings S1 and S2 are planted at the same distance from the center in the left-right direction on the left and right sides of the ridge 5.
At this time, the clutches 48 and 49 are connected. Then, the seedlings S1 and S2 are planted on the left and right sides of the ridge 5 while the transplanter 1 is running in the ridge longitudinal direction. Next, while making a turn at the end (headland) of the ridge 5, the running body 2A and the transplanting device 3 are moved to the right as shown in FIG. The ridge 5 is moved to the central position in the left-right direction. At this time, the clutches 48 and 49 are disconnected so that the planting device 34 and the seedling feeding device 36 on the left side do not operate. Then, while the transplanting machine 1 is running in the longitudinal direction of the ridge in a direction opposite to the above, three-row planting is performed by planting the seedling S3 at the center of the ridge 5 by the planting device 34 on the right side.

Therefore, by reciprocating the ridge 5 once in the longitudinal direction, three-row planting can be performed, and the efficiency of the planting operation is high. Also, by positioning the right and left front and rear wheels 10R and 11R outside the groove 122 between the ridges 5 in the left and right direction, when the left planting body 53 is positioned at the center of the ridge 5, the right main frame is formed. 32 and the planting frame 33 are the right rear wheel 11R.
In addition, since the front and rear wheels 10L, 10R, 11L, and 11R have different running positions in the left-right direction between the forward path and the return path of the transplanter 1, stable running is possible. Further, since the central portion of the ridge 5 is planted by the planting body 53 of the planting device 34 located on the left side, that is, behind the traveling machine body 2A, there is an advantage that the ground roller 105 does not come off from the ridge 5. .

In the case of three-row planting, seedlings may be planted at the center of the ridge on the outward route, and seedlings may be planted on both left and right sides of the ridge on the return route. In the case of performing two-row planting with the transplanter 1, the tread is adjusted to an interval corresponding to the width of the two-row ridges, and the seedlings S1, The position of the traveling machine body 2A and the transplanting device 3 is adjusted in the left-right direction so that S2 is planted, and the seedling is planted while the transplanting machine 1 is running in the longitudinal direction of the ridge. In the case of performing four-row planting, the tread is adjusted to an interval corresponding to the ridge width for four rows, the transplanting device 3 is offset to the left and right in the left-right direction of the ridge 5, and the transplanter 1 is moved in the ridge longitudinal direction. It is performed by reciprocating (therefore, the right implant 53
To plant the two rows at the center of the ridge, and the left side planting body 53 to plant the two rows at the left and right ends.

[0052]

According to the present invention, according to the first aspect, the left and right wheels supporting the traveling body are provided so as to be adjustable in distance, and the position of the traveling body in the left-right direction between the left and right wheels can be adjusted. On the rear side of the traveling machine, a transplanting device is provided so as to be able to move in the left-right direction with the traveling machine, and this transplanting device is mounted on a planting body for planting seedlings in a field and a seedling tray provided with a large number of seedlings. And a pair of right and left seedling feeding devices for transferring seedlings from the seedling tray to the planting body. Since a clutch for connecting and disconnecting power is provided, for example,
The seedlings are planted on the left and right sides of the ridge while traveling in the longitudinal direction of the ridge, and when traveling in the opposite direction, the position of the transplanting device is adjusted together with the traveling machine in the left-right direction, and one of the planting devices is ridged. The seedlings can be planted in the central part of the ridge by cutting the power to the other planting body and the seedling feeding device while being positioned at the center of the ridge. Can be planted, and of course, two-row planting,
By making one reciprocation in the longitudinal direction of the ridge, four rows can be planted.
It is possible to provide a transplanting machine that can efficiently perform the row-planting, the 3-row planting, and the 4-row planting with one transplanter.

According to a second aspect of the present invention, one of the left and right wheels supporting the traveling body can be adjusted in the left-right direction with respect to the traveling body and the other wheel. A grounding member for detecting the height of a ridge disposed below the traveling body, and a transplanting device disposed on the rear side of the traveling body, and moving the traveling body in the left-right direction. Possible, said implantation device,
A seedling for planting seedlings in a field, a seedling table on which a seedling tray with a large number of seedlings is placed and moved in the left-right direction, and a seedling feeding device for transferring seedlings from the seedling tray to the planting body are left and right. One of the left and right planting bodies, seedling mounting table, and seedling feeding device are disposed behind the traveling machine, and the other planting body, seedling mounting table, and seedling feeding device are arranged from the traveling machine to the Since it is arranged on one wheel side and a clutch for connecting and disconnecting the power to the planting body and the seedling feeding device is provided, similarly to the above, two-row planting, three-row planting and four-row planting are transplanted into one unit. In addition to providing a transplanting machine that can be efficiently performed by the machine, when performing three-row planting, when transplanting a seedling at the center of the ridge, the transplanting device is moved in the left-right direction, but is located behind the traveling body. Seedlings are planted at the center of the ridge by the planting body, and from the traveling machine to the one wheel side Planting member was location, is configured so as to be cleaved by a clutch power to seedling partial feeding apparatus,
This has the effect that the grounding member does not come off the ridge.

[Brief description of the drawings]

FIG. 1 is an overall plan view of a transplanter.

FIG. 2 is an overall side view of the transplanter.

FIG. 3 is a plan view of the traveling body.

FIG. 4 is a plan view of the implantation device.

FIG. 5 is a side view of the planting device.

FIG. 6 is a schematic front sectional view of a seedling mounting table and a seedling tray transfer mechanism.

FIG. 7 is a side view of the seedling feeding device.

FIG. 8 is a rear view of the transplanter showing a seedling planting operation.

FIG. 9 is a schematic rear view of the transplanter showing an operation of planting seedlings.

[Explanation of symbols]

 2A running body 3 transplanting device 10 front wheel 11 rear wheel 35 seedling rest 36 seedling feeding device 53 planting body 48 clutch 49 clutch T seedling tray

[Procedure amendment]

[Submission date] November 12, 1997

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Claims

[Correction method] Change

[Correction contents]

[Claims]

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0005

[Correction method] Change

[Correction contents]

[0005]

According to a first aspect of the present invention, there is provided a vehicle having a vehicle body provided with left and right wheels for supporting a traveling body so that the distance between the wheels can be adjusted. A transplanting device which is capable of adjusting the position in the left-right direction between the left and right wheels and is provided on the rear side of the traveling machine so as to be able to move with the traveling machine in the left-right direction, and this transplanting device is used for planting seedlings in a field. When, features and seedling stand to move the seedling tray with a large number of seedlings placed to the left-right direction, that was constructed pair provided by the seedling component feeding device for transporting the seedling tray seedlings planting body And According to the second aspect, one of the left and right wheels supporting the traveling body can be adjusted in the left-right direction with respect to the traveling body and the other wheel, and the left and right wheels between the left and right wheels of the traveling body can be adjusted. The position adjustment is possible, a grounding member that detects the height of the ridge arranged below the traveling body, and a transplanting device arranged on the rear side of the traveling body, the traveling body and the left and right direction are provided so as to be able to move together. A seedling for implanting seedlings in a field, a seedling tray on which a plurality of seedling trays each having a large number of seedlings are placed and moved in the left-right direction, and a seedling for transferring seedlings from the seedling tray to the seedlings. A left and right planting body, a seedling rest,
The seedling transfer device is placed behind the traveling machine, and the other planting body,
A seedling mounting table and a seedling distribution device are arranged on the one wheel side from the traveling machine body.

[Procedure amendment 3]

[Document name to be amended] Statement

[Correction target item name] 0052

[Correction method] Change

[Correction contents]

[0052]

According to the present invention, according to the first aspect, the left and right wheels supporting the traveling body are provided so as to be adjustable in distance, and the position of the traveling body in the left-right direction between the left and right wheels can be adjusted. On the rear side of the traveling machine, a transplanting device is provided so as to be able to move in the left-right direction with the traveling machine, and this transplanting device is mounted on a planting body for planting seedlings in a field and a seedling tray provided with a large number of seedlings. The seedling mounting table that moves in the direction, and a pair of right and left seedling feeders that transport seedlings from the seedling tray to the planting body are configured as a pair of left and right, for example, while traveling in the longitudinal direction of the ridge, on both left and right sides of the ridge planting seedlings, while traveling in the opposite direction to the above, the implant device with the running vehicle body position adjustment to the lateral direction, by the Turkey is positioned one of the planting device the central portion of the ridge, the central ridges Seedlings can be planted in the ridge, and reciprocated once in the longitudinal direction of the ridge Article 3 planted done by, also, 2
To provide a transplanting machine that can perform four-row planting by making one reciprocation in the longitudinal direction of the ridge as well as row-planting, and can efficiently perform two-row planting, three-row planting, and four-row planting with one transplanter. Can be.

[Procedure amendment 4]

[Document name to be amended] Statement

[Correction target item name] 0053

[Correction method] Change

[Correction contents]

According to a second aspect of the present invention, one of the left and right wheels supporting the traveling body can be adjusted in the left-right direction with respect to the traveling body and the other wheel. A grounding member for detecting the height of a ridge disposed below the traveling body, and a transplanting device disposed on the rear side of the traveling body, and moving the traveling body in the left-right direction. Possible, said implantation device,
A seedling for planting seedlings in a field, a seedling table on which a seedling tray with a large number of seedlings is placed and moved in the left-right direction, and a seedling feeding device for transferring seedlings from the seedling tray to the planting body are left and right. One of the left and right planting bodies, seedling mounting table, and seedling feeding device are disposed behind the traveling machine, and the other planting body, seedling mounting table, and seedling feeding device are arranged from the traveling machine to the since <br/> placed on one wheel side, similar to the above, 2 Joue, it is possible to provide efficiently performed transplanter by Article planted and Article 4 planted one transplanter, Article 3 in making the planting, when planting seedlings in central ridge, but to move the implanted device in the lateral direction, are configured to Keru planting seedlings in the furrow center portion by planting body located behind the traveling machine body This has the effect that the ground member does not come off the ridge.

Claims (2)

[Claims] 1. The vehicle according to claim 1, further comprising a left and right wheels for supporting the traveling body, the distance between the left and right wheels of the traveling body being adjustable.
A transplant device is provided so as to be able to move in the left-right direction with the traveling body,
This transplanting device is provided with a planting body for planting seedlings in a field, a seedling mounting table on which a seedling tray provided with a large number of seedlings is placed and moved in the left-right direction, and a seedling component for transferring seedlings from the seedling tray to the planting body. A transplanting machine comprising a pair of right and left feeding devices and a clutch for connecting and disconnecting power to the planting body on one side or the seedling feeding device. 2. The vehicle according to claim 1, wherein one of the left and right wheels supporting the traveling body is adjustable in a lateral direction with respect to the traveling body and the other wheel, and a lateral position of the traveling body between the left and right wheels. Adjustable, a grounding member for detecting the height of the ridge arranged below the traveling body, and a transplantation device arranged on the rear side of the traveling body, the traveling body and the left and right direction movable along the movable body, provided with the A transplanter is used to plant seedlings in the field, a seedling tray having a large number of seedlings placed thereon, and a seedling mounting table that moves in the left-right direction, and a seedling transporter that transports seedlings from the seedling trays to the plantings. A right and left planting body, a seedling mounting table, and a seedling feeding device are disposed behind the traveling machine body, and the other planting material, seedling mounting table, and seedling feeding device are provided with: It is arranged on the one wheel side from the traveling body, and the power to the planted body and the seedling feeding device is supplied. An implanting machine having a clutch for connecting and disconnecting.