JP3433607B2 - Tajo rice transplanter - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [0001] BACKGROUND OF THE INVENTION The present invention relates to a variety of plants such as 10-row planting.
Concerning the configuration for reducing the body width of a row planting rice transplanter
You. [0002] 2. Description of the Related Art A rice transplanter is most protruding left and right.
Is the seedling rest of the planting part, so the outermost strip of the seedling rest is
By folding the minutes, it can be transported and stored
An eight-row rice transplanter that reduces the lateral width of the planting section
Is being developed. For example, fold the outermost strip of the seedling
By folding, a 2-ton tiger with an average loading area
(A cargo bed width of about 2 m). [0003] SUMMARY OF THE INVENTION In the past, generally,
Most of the rice transplanters that have been used have been planted up to eight rows,
Multi-row planting rice planting exceeding 10-row planting due to large-scale management
The development of a machine is indispensable. Tajo planting field like this
When it comes to a planting machine, especially the left and right width of the planting part becomes large,
I want to be able to load on a truck of about 2 tons of beam
There is a great demand from farming sites. In the case of a 10-row rice transplanter,
Folds the seedling-mounted part of the left and right two lines from the outside
The left and right width can be loaded on a 2-ton loading truck.
You. However, the outermost planting equipment and the outermost
The funnel extends left and right beyond the folded seedling platform
Because it is protruding from the bed of a two-ton truck
I will. Therefore, these planting equipment and leveling floats are provided.
Need to be able to reduce the left and right width of the part
I'm sorry. [0005] [MEANS FOR SOLVING THE PROBLEMS]
The present invention has the following configuration. That is, the present invention
The multi-row rice transplanter according to
Multi-row planting rice transplanter with attachment devices arranged side by side
hand,The outer strip portion of the seedling mounting table 80 can be folded.
And, it was fixedly provided on the upper part of the back side of the outer strip part of the seedling mounting table.
A roller 86 is provided to engage with the support frame 87 to move the seedling table
Supports the roller while supporting it reciprocally.
The position of the seedling table support frame 85B can be changed by its rotation.
Noh,The planting deviceIsA transmission cable for transmitting to the planting device;
Attached toOutsideCan change the position of the lateral streaking device
age,furtherLeveling floatToUnder the transmission case
Float support fixed to supported planting depth adjustment shaft 173
The planting depth adjusting shaft 173 is attached to the holding arm 171.
As a divided axis, and the divided axis
Connecting shaft portion 173 for connecting planting depth adjusting shafts 173 to each other
By sliding c in the axial direction to release the connection,OutsideSide article
The outermost leveling float with the planting equipment
The feature is that it is possible. [0006] DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below.
Will be described. The illustrated rice transplanter 1 is located behind the traveling vehicle body 2.
Up and down the planting part 4 of 10-row planting via the lifting link device 3
At the same time as possible to attach to the running body 2 and the planting part 4
The fertilizer applicator 5 is installed, and the fertilizer fertilizer
Is configured as The traveling vehicle body 2 has a pair of left and right driving wheels.
A four-wheel drive vehicle having front wheels 7, 7 and rear wheels 8, 8
You. The left and right sides of the mission case 10 arranged at the front of the fuselage
The front wheel final case 13, 13 is provided on the
Front wheel axle projecting outward from front wheel final case
The front wheels 7, 7 are attached. In addition, Mission
The front end of the main frame 15 is fixed to the back of the base 10
Left and right rear wheels on the rear end of the main frame
The gear cases 19, 19 are supported in a freely rolling manner.
Rear wheel axle protruding outward from the rear wheel gear case
8, 8 are attached. The engine 21 is fixed to the main frame 15.
Mounted on a fixed horizontal engine stand 22
I have. The upper, front and left and right sides of the engine 21 are engine
Cover 28. And the engine
A cockpit 30 is provided on the bar 28. Also the machine
The upper front center is covered with a front cover 42.
A handle 43 for steering the front wheels 7, 7 is provided above the steering wheel.
Have been killed. The front cover 42 has various operating states.
Display panel, various operation levers and pedals
Is provided. The engine cover 28 and the front cover 4
2 is a horizontal main body where the pilot can walk freely.
Step 44 has been reached. Rear of main step 44
44a is raised so as not to interfere with the rear wheels 8,8.
You. Steps are provided on both left and right sides of the rear of the main step 44.
So that the top surface is almost the same level as the main step 44
Are provided with extension steps 45, 45. These extensions
Zhang steps 45, 45 are similar to main steps 44,
The parts 45a, 45a are raised. Left and right extension steps
The wheels 45, 45 are located outside the rear wheels 8, 8 in a plan view.
And the left and right folding part 80-1 of the seedling mounting table 80, which will be described later.
.Provided to be located inside of 2,80-9.10
Have been. Below these extended steps 45, 45,
Use when getting on or off a step from the left or right side of the aircraft.
Lifting steps 46, 46 are provided. Furthermore, expansion
Spare seedling mounting frame 4
The grid-like steps 47, 47 attached to 8a, 48a
Through the grid-like steps 47, 47
From the front side of the aircraft
Can be. [0010] Replenishment seedlings are mounted on the front left and right sides of the aircraft.
Spare seedling mounts 48, 48 to be kept are provided. Each forecast
The seedling mounting table 48 is supported by the spare seedling mounting frame 48a.
A post 48b is provided so as to be pivotable in a horizontal plane, and the support post
Attach the seedling frame 48c so that it can rotate around the vertical axis.
And a plurality of stages of seedling frames 48d,.
They are installed at predetermined intervals. The lifting link device 3 includes a main frame 15
Pivotable on a link base 50 fixed to the rear end
Upper link 51 and lower link 52 attached to the
A vertical link 53 at the rear end of these vertical links.
Are connected. And from the lower end of the vertical link 53
Connecting shaft 54 fixed to the planting portion side on the bearing portion projecting rearward
Are rotatably inserted and connected, and the planting portion 4 is
It is mounted so that it can rotate to the left and right. For lifting link device drive
Of the hydraulic cylinder 56 has its base side on the main frame 1
The piston is pivotally supported by a support member fixed to 5, 15
Swing with rod side integrally provided at base of upper link 51
It is connected to the lower end of the arm 57. Hydraulic cylinder 5
When the extension 6 is extended and retracted, the elevating link device 3 moves up and down, and planting is performed.
The unit 4 moves up and down with a constant posture. this
The hydraulic cylinder 56 is connected to a hydraulic valve 58 provided in the planting section 4.
Therefore, switching control is performed. [0012] The planting section 4 has a ten-row planting structure and has a frame.
Transmission case 60 also serving as a seedling mounting table 80 for placing seedlings,
10 sets of planting devices for planting seedlings on the seedling mounting table in a field scene
160, ..., 5 body leveling floats 170, ... etc.
ing. The transmission case 60 is located at the center in the left and right directions.
The planting frame 62-3 is attached to the back of the seedling mounting drive case 61.
The front end is fixed, and the right and left sides of the seedling table driving case 61 are fixed.
To the inner ends of the first connecting frames 63, 63,
The planting frame 6 is attached to the outer end of the first connecting frame 63.
2-2, 62-4, fixing the inner surface of the front part,
The second connection frame 6 is provided on the front outer surface of the
4 and 64, and the second connecting frame 6
4, 64 at the outer ends of the planting frames 62-1, 62-5.
The inner surface of the front part is fixed. And each planting frame 62
-1 to 62-5 planting device projecting from the rear of the left and right sides
A total of ten sets of planting devices 16 are provided on each protrusion of the mounting shafts 65,.
0, ... are attached. The power is transmitted from the traveling vehicle body 2 through the planting transmission shaft 66.
The power for driving the planting unit transmitted to the moving case 60 is a seedling mounting table.
Each planting frame 62-
1 to 62-5 and the first and second connecting frames 63,
Planting spindle 67 supported inside 63, 64, 64
, And furthermore, the clutches 68-1 to 68-
5, the cutting main shaft 67 and the chain 6 that can be driven into and cut off.
Are transmitted to the planting device mounting shafts 65,.
Each lined planting clutch 68-1 to 68-5 enters and exits individually
Operate. Therefore, planting strips PL1 to PL10 are two
Planting operation and planting stop can be selected in units of The connecting shaft 54 is a seedling table driving case.
61 is provided at the center of the front surface. Also, the seedling table drive
The seedling that rotates in a certain direction from the left and right sides of the case 61
Vertical feed drive shaft 70, for left and right reciprocating seedling table left and right movement
And the lateral movement bar 71 protrudes. The second connecting frame 64 is bent at an intermediate portion.
It is configured to be able to 5 to 7 show the bent portions.
It is a figure which shows a structure, and shows the planting frame 62-2 (or 6).
2-4) Metal mounting cable fixed to the inner pipe 64a on the side
In the fulcrum shaft hole 76 formed in the base 75,
To the outer pipe 64b on the side of the program 62-1 (or 72-5).
Inner metal 78 screwed to outer metal 77
Is rotatably fitted. This branch
The point axis 79 is slanted so that the front end side is lower.
You. Therefore, the outer pipe 64b is
Of the outermost planting frame 62 is bent downward by 90 degrees.
-1 (or 72-5) and the outside attached to it
The two side planting devices 160-1 and 160-2 (or 160
-9, 160-10) and the outermost float 170-1
(Or 170-5) is folded downward as shown in FIG.
So that the planting frame 62-1 (or 72-5)
When the rice transplanter is loaded on a truck.
Collapsed when the aircraft was in a forward-upward position
Outermost implanting device 160-1 (or 160-
10) and float 170-1 (or 170-5)
Interference with the surface can be prevented. With the second connecting frame 64 extended.
Is between the flange 81 of the outer pipe 64b and the mounting plate 82.
Guide pin 84 supported by a cylindrical body 83 fixed to
Are left and right guides drilled in the metal mounting case 75
The guide hole is inserted into the
The pin 84 and the guide hole 85 make the second connecting frame 6
Guidance for changing 4 from the bent state to the extended state
Inner and outer in a state where the second connecting frame 64 is extended.
The pipes 64a and 64b are positioned.
You. The guide pin 84 does not rotate around the fulcrum shaft 79.
Since the guide hole 85 is inserted into the guide hole 85,
Long cross-sectional shape to avoid interference with id pin 84
It has become. The metal mounting case 75 has a
A fixed handle 87 rotatable around the axis is provided, and
A lock plate 8 made of a leaf spring is
8 is provided, and the fixed handle 87 is lock-played.
By engaging with the concave portion 88a of the
The frame 64 is fixed in an extended state.
You. Further, the second connecting frame 64 is bent.
In the state, the tip of the fixing pin 90 provided on the outer pipe 64b side is
The end is formed in the bottom of the metal mounting case 75.
Lock pin by inserting it into the fixed pin insertion hole 91.
ing. The fixing pin 90 includes the inner metal 78 and the flange 81.
Slidably supported by the cylindrical portion 81a of the
Therefore, the distal end is urged to project. Inside meta
The pin hole 78a of the screw 78 is centered on the axis of the outer pipe 64a.
It is an arc-shaped slot. Fixing pin insertion hole 91
Is such that the second connection frame 64 is straightened
From the state, rotate the outer pipe 64b around the fulcrum shaft 79 as it is.
When the outer pipe 64 is moved
a is provided at a position shifted in the circumferential direction around the axis of a.
Have been. The second connecting frame 64 is bent.GeWhen
The fixed handle 87 and the lock plate 88
Release the lock, then rotate the outer pipe 64b downward by 90 degrees
And rotate the outer metal 77 relative to the inner metal 78
Let the end of the fixing pin 90Edge positionInstallation and fixing pin insertion hole 91
Adjust the position. Fixing pin 90 is made of inner metal 78 and furan
Since it is slidably supported by the cylindrical portion 81a of the jig 81,
The position of the fixing pin 90 and the fixing pin insertion hole 91 do not match.
The fixing pin 90 resists the tension of the spring 92.
The metal pin is fixed to the fixing pin 90
The case 75 is prevented from interfering. And both 9
If the positions of 0 and 91 match, the spring 92
The fixing pin 90 protrudes into the fixing pin insertion hole 91
Inserted to complete lock. The outermost planting frame 62-1 (or 72)
-5) and the two outer implants attached to it
160-1, 160-2 (or 160-9, 160-1)
0) and the outermost float 170-1 (or 170-
5) When folded down, the outermost
The funnel 170-1 (or 170-5) is
Is located under the gate 170-2 (or 170-4)
Swell. Also, as described above, the planting frame 62-1
(Or 72-5) is in a backward climbing position,
The line planting device 160-2 (or 160-9) flows
G overlaps 170-2 (or 170-4) in side view,
The rear of the float 170 has a reduced width and
When bending the two connecting frames 64, the outer pipe 64b
By rotating it about its axis, the planting device 160-2 (or 1
60-9) is slightly moved outward, so that the planting
160-2 (or 160-9) is the planting device inside it
160-3 (or 160-8) and inner float 17
0-2 (or 170-4) without interference
The width of the portion 4 can be effectively reduced. The planting spindle 67 is located inside the metal mounting case 75.
The center shaft 67a and the outer shaft 67b
When the second connecting frame 64 is extended, the nail
The two shaft portions 67a and 67b are connected by a hook 94, and the second connection
When the frame 64 is bent, the claw clutch 94 comes off.
The outer shaft 67b rotates together with the outer pipe 64b.
Has become. The seedling mounting table 80 is inclined so that the front side is higher.
The upper surface is defined by partition walls 81,.
The seedling mounting surface 80a is divided into a number of
You. The seedling mounting table 80 can move freely left and right behind the seedling mounting surface 80a.
It is supported by. The supporting structure is a seedling mounting surface 80a,.
A sliding contact portion engages with a horizontal frame 82 provided in the left-right direction at the lower portion on the back side of the
Are fixed, and the engaging sliding contact member is attached to the planting frame 6.
The left and right support rail 83 provided on the left and right
The planting frame 62-
1, 62-2, 62-4, and 62-5 are supported by bases, respectively.
The held seedling table support frames 85B, 85A, 85A,
85B are provided at the upper end of the seedling support frame.
The attached rollers 86 are mounted on the back of the seedling mounting surface 80a.
Engaging with the U-shaped concave portion of the support frame 87 fixed to the portion.
You. Then, both ends of the laterally moving rod 71 are connected to the connecting member 8.
Attachment members 88, 8 fixed to the horizontal frame 82 via 7, 87
8 and the horizontal moving rod 71 reciprocates left and right.
The seedling mounting table 80 also reciprocates left and right along the support rail 83.
Like that. In addition, at the upper end of each seedling mounting surface 80a,.
Are provided so that the extension seedling mounting portions 89 can rotate to the seedling mounting surface side.
It is attached. The support rail 83 is provided with the engaging sliding member 8.
And the seedling mounting surface 8
0a, ... L-shaped section for receiving the lower end surface of the seedling on it
Each of the seedling mounting surfaces 80
a, seedlings cut out in U-shape at 10 locations corresponding to
.. Are formed. Seedling table 80 goes left and right
By returning, it is positioned at the lower end of the seedling mounting surface 80a,.
Seedlings are supplied to the seedling split openings 90,.
It is. When separating the seedlings on the seedling mounting table 80, the following description of the planting device
The planting tool 162 passes through the seedling dividing port 90. In addition, seedling
Rubber seedling division guides 91,
91 is attached, and the edge of the seedling split port 90
Formed along the front trajectory of the planting tool 162 on the front side
A guide member 92 made of a metal wire is attached. A belt-type vertical feed of seedlings is provided below the seedling mounting table 80.
A device 94,...
a .. All the seedlings in one horizontal row located at the lower end of
So that the seedlings on the seedling mounting surface 80a,.
Has become. This seedling vertical feeding device 94 has a small protrusion on the outer peripheral portion.
The endless seedling feed belt 95 on which the
And the driven roller 97. Drive roller 96
A drive arm is attached to the attached roller drive shaft 96a.
98 is attached via a ratchet mechanism 99
You. The seedling vertical feed drive shaft 71 has a seedling vertical feed drive arm.
... are attached integrally, and the seedlings
Are supported at the tip of the drive arm
I have. When the seedling mounting table 80 reaches the end of the left and right strokes,
The arm 98 contacts the roller 101 and the roller drive shaft 96
a is rotated by a predetermined angle, whereby the seedling feed belt
95 operates by a predetermined amount. Roller 1
01 moves away from the drive arm 98, the spring 103
The driving arm 98 returns to the posture before driving due to the tension of.
The rotation shaft 97 a of the driven roller 97 is
Therefore, the seedling feed belt 95 is pulled in the direction of stretching.
You. The support rail 83 is attached to the planting frames 62,.
The support rail mounting member 10 is attached to the fixed brackets 105,.
It is attached via 6, ... Support rail mounting part
The material 106 is slidable up and down with respect to the bracket 105
is there. A seedling collection amount adjusting rod 107 is turned on the bracket 105.
It is fitted so that it can rotate freely, and
Arm 108 to the pin 109 provided on the support rail mounting member
Is engaged. Use a seedling removal adjustment lever (not shown)
When the seedling collection amount adjustment rod 107 is rotated, the support rail
The mounting member 106 and the support rail 83 integrated with it are mounted on a seedling.
It moves up and down parallel to the table 80, thereby
The amount of seedling harvest is adjusted. At the bottom of each seedling mounting surface 80a, a seedling floats.
Seedling presser 110 is provided to prevent
ing. The seedling retainer 110 is provided with partition walls 81, 8 on both sides.
1. Support members attached to columns 111 protruding from 1
111a, 111a, and in FIG.
Seedling indicated by solid line and seedling indicated by chain line in FIG.
The presser non-operation state can be selected. Its structure
In the structure, the horizontal bar 112 rotates around the support members 111a, 111a.
The main seedling holding rod 113,1
13 is fixed so that the axis is oriented in the seedling vertical feed direction, and
The lower end of the main seedling holding bar is connected by a horizontal bar 115. Ma
In addition, the auxiliary seedling holding rod 11 that is short between the main seedling holding rods 113,.
6 are provided in parallel, the lower end of which is
It is stuck to. Left and right ends 11 of the lower horizontal bar 115
5a and 115a are bent toward the lower end of the seedling mounting surface 80a.
And a lock fixed to the upper surface on the lower end side of the partition walls 81, 81
Engagement holes 118a, 118a provided in members 118, 118
To be engaged. Left and right of horizontal bar 115
Both ends 115a, 115a are engaged with engaging holes 118a, 118a.
When the seedling presser 110 is engaged with the
After the above engagement is released, the seedling presser 110 is moved to the upper horizontal bar.
When the seedling presser 110 is turned upward around the seedling 112,
The presser foot becomes inactive. Further, at the lower end of each seedling mounting surface 80a,.
The leaves hang down after receiving the leaves of the seedling located at the bottom
The resistance bars 119, ... which are lifted so that they do not
Have been killed. By the way, this seedling mounting table 80
The parts 80-3 to 80-8 are provided integrally,
The two side parts 80-1 ・ 2, 80-9 ・ 10 are
It is provided separately, and the outer strip portion is turned inside out and folded
It is configured to be foldable. The structure of the folding part
Is as follows. [0030] Partitions the second article from the outside and the inside article
Partition walls 81-3 and 81-9 are separated from the inner part 81a by the outer part 81a.
Side part 81b, and the inner part 81a
An outer part integrally formed with the central parts 80-3 to 80-7.
The position 81b is the inverted part 80-1.2 or 80-9.10
Are integrally formed. Also, the partition walls 81-3, 8
1-9 is higher than the other partition walls on the seedling mounting surface 80a.
Has been established. And the upper end of both parts 81a, 81b
One rotation on the cylindrical portions 120a, 120b,.
The shaft 121 is inserted and provided.
Flip the inverted parts 80-1 / 2 and 80-9 / 10 inward
And the corresponding portion is connected to the inner strip portions 80-3, 4, 80-
It should be folded on top of 7.8
You. The fourth and fifth partition walls 81-4, 81- from the outside
The top of the support 111 provided on 5, 81-7, 81-8
Are fixed to the support,
In the folded state, the partition walls 81-1 and 81-
Of the support columns 111,... Provided on 2, 81-10, 81-11.
The top comes into engagement with the strut supports 122,.
I have. In addition, regarding the arrangement of the cylindrical portion, the cylindrical portion 1
20a and 120b are arranged in three groups, upper and lower, from above.
120b, 120a, 120b, 120a, 120a,
120b. In addition, the upper two sets of cylindrical portions 12
0a, 120b, there is no gap, but the lowermost cylindrical portion 1
A gap S is provided between 20a and 120b. this is
For the following reasons. That is, the L-shaped portion of the support rail 83
83a is the sharpest angle in side view, so it is the outermost
Invert the end strips 80-1 and 80-8 as they are
To prevent interference with the L-shaped part 83a.
Pushed up by the gap S along the slope of the seedling mounting table
Invert the inverted parts 80-1.2 and 80-9.10.
That's because. When the seedling mounting table 80 is deployed, the inverted portion 80-
1,2,80-9.10 in the upper and lower two places at the center 80-
3 to 80-8 (see FIGS. 16 and 17). In FIG. 16, reference numeral 82 denotes the horizontal frame.
The frame is the central part 80-3 to 80-7 of the seedling mounting table 80 and the inverted part
The central part near the boundary between minutes 80-1.2 and 80-9 / 10
Is divided into a minute side 82a and a reversing part side 82b, 82b.
You. Then, the above-mentioned mounting is performed on both left and right end portions of the central portion side 82a.
The members 88, 88 are fixed, and
2b, 82b, facing the mounting members 88, 88 at the inner ends.
Thus, the fixing members 124 are fixed. Fixing member
A circular hole 125 penetrating from side to side is formed in 124,
The mounting member 88 has a screw hole 1 on the extension of the round hole 125.
26 are drilled. Fixing rod with threaded tip
127 is inserted into the round hole 125 of the fixing member 124 from outside.
Then, screw the tip screw portion into the screw hole 126 of the mounting member 88.
By combining them, the inverted portion 80-1-2 (or 80
-9.10) to the center part 80-3 to 80-8
You. In addition, a small diameter portion 127a is formed at an appropriate position of the fixing rod 127.
When the seedling table 80 is folded, the fixing rod 1
When the small diameter portion 27 is pulled out from the screw hole 126,
a, the tip of the knock pin 128 engages with the fixing rod 1.
27 does not come out any more. Small diameter part 12
Since the outer wall surface of 7a is tapered,
127 can be pushed. 129 in the figure is knock
This is a spring for urging the pin 128 toward the fixed rod. In FIG. 17, 131 is the upper part of the back of the seedling table.
At the center of the seedling table 80
Parts 80-3 to 80-8 and inverted parts 80-1.2, 80
In the vicinity of the boundary between −9 and 10, the central portion 131a and the inverted portion
It is separated to the minute side 131b. And the central part side 13
A male screw member 132 is fitted on the inner end side of the hollow portion 1a.
You. A fixing rod 134 having a screw hole 133 formed at the tip is
It is inserted into the horizontal pipe 131 from outside and its screw holes 133
Is screwed into the male screw member 132 so that the inverted portion
80-1.2 (or 80-9.10) to the central part 80-
Fix at 3 to 80-8. Prevention of dropping of this fixed rod 134
The stopping mechanism is the same as that of the fixing rod 127, and
The push pin 137 urged by the connector 136 is fixed to the fixing rod 134.
Is engaged with the small-diameter portion 134a. When the inverted portion of the seedling mounting table is developed, the inverted portion
Seedling vertical feeding devices 94-1 and 94-2 and the seedling vertical in the center part
Feeder 94-3, and the seedling vertical feeder 94-
9, 94-10 and the central seedling vertical feeder 94-8
They are linked with each other (see FIG. 13). That is,
B) Seedling vertical feeder 94-3 (or 94-8) in the center
Roller drive shaft 96a-3 (or 96a-8) has its inner end
The drive arm 98 is attached to the part via the ratchet mechanism 99.
Drive clutch body attached and provided with clutch claws at the outer end
140 are integrally mounted. This drive clutch
The body 140 has a roller drive shaft 96a-1.2 of the reversing part.
(Or driven clutch body attached to 96a-9.10)
141 are engaged. Driven clutch body 1
41 is a roller drive shaft 96a-1.2 (or 96a-9).
・ It can rotate integrally with 10) and slide in the axial direction.
And further urged by the spring 142 on the shaft end side.
I have. Therefore, both clutch bodies 140 and 141 are connected.
When both clutch claws abut each other,
Since the clutch body 141 can escape,
Even if the phases of the body 140, 141 are not in phase,
It can be connected and quickly engages. The inverted portion 80-1-2 (or 80)
−9 · 10) is a seedling table support frame 85B that supports
Attach to the outermost planting frame 62-1 (or 72-5)
Based on the support pipe 144 provided integrally with the plate 143
Part is rotatably fitted to the seedling mounting support frame 85B.
The positioning plate 145 fixed to the support pipe 144
Positioning grooves 144a, 144b formed at the upper end
By selectively engaging the seedlings in the unfolded state.
The position to support the inverted part of the stand and the inverted part are folded
It is positioned at the storage position at the time.
The seedling support frame 85B is attached to the spring 146.
Therefore, the seedlings are urged downward,
As long as the platform support frame 85 is not raised,
Port 145 is out of the positioning groove 144a or 144b.
Not to be. Further, the support rail 83 and the
The right and left ends of the rod 107 for adjusting the seedling collection
Can be shortened. The structure of the bent part
The structure will be described next. The support rail 83 is the second seedling from the outside.
A central portion 83 'and an end near the outside of the split openings 90, 90
Are separated into bent portions 83 "and 83"
The segments 83 ′ and 83 ″ are connected via a core 150.
The material 150 is pivoted to the central portion 83 'by the support shaft 151.
It is attached freely and has long holes 152 and 152.
Bent portion 8 by bolts 153 and 153 inserted through
3 ". The bent portion 8
3 "is formed with a concave portion 154a which engages with the support shaft 151.
The positioning plate 154 is fixed. When the support rail 83 is extended,
Bolts 153 and 15 located at inner ends of 152 and 152
3, the core 150 is fixed to the bent portion 83 "
And the concave portion 154a of the positioning plate 154 is
51 are engaged. From this state, the bolts 153, 1
Loosen 53, pull out bent portion 83 "outward,
Turn the bent portion 83 ″ upward by about 90 degrees to
Bolts 153 and 153 located at outer ends of 52 and 152
The core material 150 is fixed to the bent portion 83 ″ by this.
Of the support rail 83 of FIG.
Perform with the unit removed. The seedling removal amount adjusting rod 107 is also supported by a support rail.
83, the central portion 107 'and the bent portion 10
7 "and 107", and both parts are bent
The non-rotatable hexagonal shaft portion 107a is fitted to the minute side hexagonal shaft portion 107a.
It is connected with the cylindrical shaft part 107b on the central part side. Also,
The racket 105 supports the planting frame side member 105a.
A planting frame side member comprising a rail side member 105b.
The positioning pins 155 and 155 provided on the
Positioning holes 156 and 15 formed in the
6 and a hook provided at the bent portion 107 ".
The stopper 157 is provided on the planting frame side member 105a.
Hook 158, the two members 105a, 1
05b are combined. Therefore, it is supported in a state where the locking tool 157 is removed.
When the bending operation of the plate 83 is performed, the support plate is folded.
Bent portion 83 "is pulled outwardofIn conjunction with the seedling
The bent part 107 "of the take-off rod is pulled outOr
And the bent portion 83 "of the support plate is raised upward by about 9
In conjunction with being rotated 0 degrees, the rod for adjusting the amount of seedlings
Bend 107 "is pivoted upward about 90 degrees. The planting device 160In the transmission case 60
Is attached,Connected to the planting device mounting shaft 66
The rotating case 161 is attached to both ends of the rotating case.
And a pair of planting tools 162 and 162 attached thereto.
By the transmission mechanism in the rotating case 161, the planting tools 162, 1
62 rotates in the direction opposite to the rotation direction of the rotating case 161;
Fork-shaped seedling separation tool (not shown) fixed to the planting tool
The tip operates so as to draw a closed trajectory of a deformed ellipse up and down.
Thereby, the seedling separating tool of the planting tools 162,.
Separated seedlings supplied to the seedling split openings 90, ...
And plant it in the field scene. At the lower part of the planting section 4, a float 17 for leveling is provided.
0-1 to 170-5 are provided. Each float 17
0,... Are pivotally connected to the rear ends of the float support arms 171,.
Attached so as to be able to swing up and down by support shafts 172, ...
When the aircraft touches the mud surface of the field, part of the
Can be received at the grounding section With the float grounded
As you progress, the float glide while leveling the muddy surface
You. Each float 170, ... is the corresponding planting frame
By the planting devices 160 provided on the
Planting strip, for example, in the case of float 170-1, planting strip PL
1, PL2, if it is a float 170-2, a planting strip PL
3, Level the PL4. Float support arms 171, ...
Is fixed to the planting depth adjusting shaft 173 provided in the left-right direction.
The planting depth adjusting shaft 173 is used to adjust the planting depth.
By rotating using a joint lever (not shown),
The vertical position of each float 170 changes, and the planting depth of the seedlings
Is adjusted. The planting depth adjusting shaft 173 is provided with a planting frame.
Central pipe part supported below the drums 62-2 to 62-4
(Center)173a and the planting frames 62-1, 62-
Outer pipe part supported under 5(Outer part)173
b, 173b and both pipe portions 173a, 173b, 17
Hex shaft connecting 3b(Connecting part)173c, 173c
The structure is divided into two.Hex shaft part 173c is
Hexagonal hole at the end of central pipe 173a and outer pipe 1
73b hexagonal hole cannot rotate around the axis and slides in the axial direction.
Are fitted. Hex shaft part 173c has a hexagon shaft part
The id plate 175 is provided integrally, and its tip
The cylindrical body 176 fixed to the portion is
Hex shaft guide shaft 17 provided in parallel with outer pipe 64b
7 is slidably fitted. Second connecting frame 64
When folding, the knob attached to the cylinder 176
The cylinder 176 is gripped by the knob 178 and the hexagonal shaft guide shaft 17
Hex shaft part by sliding outward along 7
173cFrom the hexagonal hole in the central pipe section 173a,
Move the outer float 170-1 (or 170-5) to the outermost
With the planting frame 62-1 (or 62-5)
WasTo change the positionIt becomes possible. The center float 170-3 is located in a field scene.
It is also a sensor float that detects unevenness of
Are provided so that they can move up and down as a unit.
Thus, the hydraulic valve 58 operates. Sand
When the sensor float moves upward, the hydraulic cylinder 56 is extended.
The hydraulic valve 58 is actuated in the direction of the
When the port moves down, the hydraulic pressure
Valve 58 is actuated. Further, the outermost planting frames 62-1, 6
Stands 180, 180 are provided outside 2-5.
ing. This stand 180 is the outermost planting frame
Support 1 projecting outward from 62-1 (or 62-5)
The shaft portion 180a rotates around the cylindrical body 182 fixed to the distal end of the shaft 81.
It is freely and slidably fitted,
Positioning pin 183 formed on cylindrical body 182
By selectively engaging the grooves 182a and 182b,
10 (b) and the position indicated by the solid line in FIG.
To be fixed at the position indicated by the virtual line.
You. Unfold the outermost planting frame, etc. during work, etc.
The stand 180, 180 is indicated by a virtual line.
So that both ends of the support rail 83 contact obstacles.
Guard by stands 180, 180 so that there is no guard. Ma
Also, when the outermost planting frame, etc. is folded when stored
In this case, the stands 180 and 180 are set at the positions indicated by solid lines,
The planting part 4 is supported on the ground by the stands 180 and 180
You. The stand 180 is moved by a spring 184.
Outwardly biased, the tension of this spring 184
Pushing the shaft portion 180a into the cylindrical body 182 against
As a result, the positioning pin 183 is
182b, the stand 180 can be turned. The fertilizer applicator 5 is a fertilizer that is commonly used in each section for adding fertilizer.
Feed hopper 190 and rotation of a feeding roll (not shown).
The fertilizer in the fertilizer hopper 190 is sequentially fed downward.
With the feeder 191, ..., facing the ditch for planting seedlings in the field
With the fertilizer application hopper 192,.
Flexible fertilizer connecting the fertilizer hoppers 192, ...
Hose 193, ..., each with a blower 194
Fertilizing hose 193, ...
Fertilizer fed from the dispensers 191,.
2, and so on. Middle part of fertilizing hose 193,...
Has a base fixed to the planting frames 62-2 and 62-4.
Provided between the seedling table support frames 85A, 85A
Attached to fertilizer hose mounting frame 196A
You. In contrast, the inside of the outer two fertilizer hoses 193, ...
The space is fixed to the positioning plates 145 and 145.
Fertilizer hose mounted on the cylindrical body 197, 197
It is attached to frames 196B, 196B. Out
The fertilizer hose mounting frame 196B slides on the cylindrical body 197.
And is fixed by the thumbscrew 198.
Swelling. When folding the inverted part of the seedling mounting table 80
, Loosen the thumbscrew 198 and install the fertilizer hose mounting frame 1.
Slide 96B inward. Seedling platform in that state
When the support frame 85B is rotated to the storage position,
The fertilizing hoses 193 and 193 are simultaneously rotated to the storage position.
Let me do. As shown in FIG. 23, the fertilizer hopper 1
90 left and right ends can be turned upside down
The width of the left and right sides of the fertilizer device 5 can be reduced
You. As described above, this rice transplanter is used when
The structure to reduce the left and right width of each is applied in various places,
For example, after the seedling planting operation is completed, the rice transplanter is
In order to do so, the left and right widths of the aircraft are reduced in the following order. First, the inverted portion 80-1 of the seedling mounting table 80
Fold 2,80-9.10 upward. Fold the inverted part
When collapsed, the extension seedlings 89,.
As shown in the figure, it hangs down.
Is prevented from becoming too high. Then the support rail
83 bent portions 83b, 83b and seedling removal amount adjusting rod 10
7 at the side of the seedling table 80
Bend forward about 90 degrees along the surface. And transmission
Fold the second connecting frames 64, 64 of the case 60 downward.
Bend the outermost planting frames 62-1, 62-5 and
The outer two-planting device 160-
1,160-2,160-9,160-10 and outermost
Floats 170-1 and 170-5 are stored in the lower side.
Also, if necessary, the spare seedling mounting tables 48, 48 can be moved to the storage position.
Turn. [0052] As described above, according to the present invention,
Row planting rice transplanterFold the outer row seedling platform and position
Change and outsideChange the position of the lateral streak
At the same time, the connection of the planting depth adjustment shaft is disconnected, and
The width of the planting area
Multi-row rice transplanter such as 10-row rice transplanter
Can now be easily transported and stored.The seedling
The upper part of the platform is left and right with rollers provided on the seedling platform support frame.
Supports the seedling table in the unfolded state because it is supported reciprocally.
The seedling table can be moved to the left and right smoothly.
And a seedling support frame that supports this roller
The position of the camera is changed by rotating itself.
Thus, the structure for changing the position of the seedling support frame is simple.
On the other hand, changing the position of the float for levelingAdjusting planting depth
Just slide the connecting shaft of the shaftsoCan do
, You can easily perform the width reduction operation. In particular
In the present invention, the position of the planting device and the float for leveling are changed.
And the position of the seedling table support frame and the position of the seedling table support frame
Changes are made separately from each other,
The structure for reducing the width can be simplified.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a side view of a rice transplanter. FIG. 2 is a plan view of the rice transplanter. FIG. 3 is a plan view in which a part of a planting portion is omitted. FIG. 4 is a rear view in which a part of the planting portion is omitted. FIG. 5 is a partial cross-sectional side view of a bent portion of the second connection frame. FIG. 6 is a rear sectional view showing a deployed state of a bent portion of the second connection frame. FIG. 7 is a rear cross-sectional view illustrating a bent state of a bent portion of the second connection frame. FIG. 8 is a side view of the float support. FIG. 9 is a front view of the float support. 10A is a rear view of the stand, and FIG. FIG. 11 is a side sectional view of a lower part of a seedling mounting table. FIG. 12 is a view as viewed in the direction of the arrow A in FIG. 11; 13 is a view as viewed in the direction of the arrow B in FIG. 11; FIG. 14 is a view showing a state in which the inverted portion of the seedling mounting table is folded. FIG. 15 is a sectional view of a lower part of a seedling mounting table. FIG. 16 is a cross-sectional view of an upper connecting portion between a central portion and an inverted portion of the seedling mounting table. FIG. 17 is a cross-sectional view of a lower connecting portion between a central portion and an inverted portion of the seedling mounting table. FIG. 18 is a side view showing the structure of the support portion of the support rail and the seedling collection amount adjusting rod. 19 is a view on arrow A in FIG. 18 showing only the support rails. FIG. 20 is a view mainly showing a support portion of a rod for adjusting the amount of seedlings collected.
FIG. 8 is a view on arrow A in FIG. FIG. 21 is a side view of the rice transplanter in the left-right width reduced state. FIG. 22 is a plan view of the rice transplanter in a state in which the lateral width is reduced. FIG. 23 is a rear view of the fertilizer applicator in which the left and right ends of the fertilizer hopper can be bent. [Description of Signs] 1 Rice transplanter 2 Running vehicle body 3 Elevating link device 4 Planting unit 5 Fertilizer application device 60 Transmission case 62 Planting frame 63 First connecting frame 64 Second connecting frame 80 Seedling stand 83 Support rail 160 Planting device 170 float

────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Takuya Okada 1-Yakukura, Tobe-cho, Iyo-gun, Ehime Prefecture Iseki Agricultural Machinery Co., Ltd. Engineering Department (56) -296407 (JP, A) JP-A-8-275635 (JP, A) JP-A-6-245605 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) A01C 11/02

Claims (1)

(57) [Claims 1] In a multi-row planting rice transplanter in which a plurality of planting devices are arranged in parallel under the seedling mounting table, the seedling mounting table is provided.
80 can be folded outside the seedling mounting table
Engage with the support frame 87 fixedly provided on the upper rear surface of the side stripe portion
Roller 86 that supports the seedling table so that it can reciprocate left and right
And a seedling table support frame for supporting the rollers.
And the planting device is mounted on a transmission case 60 that transmits to the planting device.
Te, a planting device of the outer side conditions and repositionable, further attaching a ground leveling float the float support arm 171 fixed to the planting depth adjustment shaft 173 which is supported on the lower side of the transmission case, with the planting The depth adjusting shaft 173 is constituted as a divided shaft, and the divided planting depth adjusting shaft 1 is divided.
By removing the connecting connecting shaft portion 173c that connects together 73 is slid in the axial direction, characterized in that it has with the planting device of the outer side conditions and repositionable ground leveling float outermost multiple-start Planting rice transplanter.