JP3384047B2 - Transplant machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [0001] The present invention relates to a seedling box having flexibility.
Transplantation in which the seedlings that have been grown are loaded into the planting section together with the seedling box
To be replenished when the seedlings in the planting area have run out
The present invention relates to a configuration for mounting seedlings. [0002] 2. Description of the Related Art A pot seedling is loaded into a planting section together with a seedling box.
While transporting the seedling box along the specified transport route,
Push the seedlings out of the seedling box at the right place on the road,
There is a rice transplanter configured to supply to a take position. Planting department
Due to space limitations, the transport path of the seedling box has a curved part
Because it has a shape (for example, U-shape), this kind of rice planting
Seedling boxes used for the machine can bend at least in the transport direction.
It has become so. [0003] Spare parts to be replenished when seedlings in the planting area are gone
When placing the seedlings on the transplanter, in the case of rigid seedling boxes,
Was placed on a shelf-shaped spare seedling frame. Only
In the case of a seedling box having flexibility as described above,
If you hold one end, the other end will hang down, so it is horizontal
Is very difficult to handle, and it is the same
It is inappropriate to adopt the mounting method. [0004] SUMMARY OF THE INVENTION There is a need for a flexible material.
Seedlings stored in a seedling box are loaded into the transplanter as spare seedlings
The development of a method for mounting a spare seedling suitable for this purpose has been awaited. [0005] [MEANS FOR SOLVING THE PROBLEMS]
The present invention has the following configuration. That is, the present invention
The transplanter according to the above, the seedlings grown in a flexible seedling box
In a transplanter for loading the seedling box together with the seedling box,
Hang the seedling box almost vertically with clips that engage the upper end
LowerCan be transported above the seedling box mounting part of the planting part.
Left of the seedling box transferred to the seedling box mounting part and the seedling box mounting part
Adjustable position of seedling box to match right positionSpare seedlings
It is characterized by being provided on the fuselage. [0006] The clip is engaged with the upper end of the seedling box.
Hang the seedling box vertically on the spare seedling frame and hold it
You. Along the spare seedling frame while hanging the seedling box on the spare seedling frame
handTransfer to the upper part of the seedling box mounting part of the planting partCan be
A simple configuration for supplying seedlings can be provided. In addition, a seedling box
By holding the unit vertically, many spare
Seedlings can be mounted.Also, be sure to place the seedling box
Align the left and right positions of the seedling box transferred by
Can be [0007] Examples and Comparative Examples FIGS.Specific examples of transplantation machines
Is represented.This transplanter 1-1 is a four-wheeled traveling vehicle
This machine (running part) 2 is a 6-row planting part 3 and fertilizer
4 is installed, and it is configured as a riding type fertilizer rice transplanter as a whole.
Has been established. The planting section 3 is located at the rear of the machine 2 which is a traveling vehicle body.
Attached to the parallel link type planting section mounting device 5 provided in
It is vertically movable with respect to the machine 2. In addition, planting part
The mounting device 5 is moved up and down by a hydraulic cylinder 6. [0008] The planting section 3 is a method of loading seedlings together with seedling boxes.
The transmission case 10 which also serves as the planting section frame
A few minutes of the planting device 12 and the seedlings in the planting position of the planting device
Assembling with seedling supply equipment to supply one plant at a time
Have been. Each device for supplying seedlings is a seedling box feeder 14,
Automatic seedling box feeder 15 provided on the seedling box feed stand, seedling box feeding
Seedling pushing out seedling from seedling box at seedling pushing position of stand 14
Apparatus 16 removes the seedlings extruded by the seedling pushing apparatus.
Seedling delivery device 17 to be transported to
From the seedling delivery device 17
Seedling transporter that transports the transplanted seedlings to the seedling collecting position of the planting device 12.
Lt 19 and the like. The seedling box to be used has a structure shown in FIGS.
And is integrally molded from a flexible synthetic resin material.
Have been. In other words, the seedling box 300 is
The seedling pots 301,...
Seedling with three radial slits 302 at the bottom of the pot
An extrusion hole 303 is formed. This seedling extrusion hole 30
3 also serves as a drain. The longitudinal direction is vertical and perpendicular to it
When the horizontal direction is the horizontal direction, the vertical
It is a constant pitch p.
A boundary portion 306 having a wider pot interval is provided.
The same number (for example, 7) per row is placed on both sides of the
Are arranged at equal intervals. Therefore, the strip-shaped boundary
Seedling pot divided into two groups on the left and right across the part 306
State. The left and right edges of the seedling box are ears for guidance 307
At the same pitch as the vertical pitch p of the pot.
Claw holes 308 having a square shape in a plan view are formed at a pitch.
The tip 309 of the ear 307 is bent downward at a substantially right angle.
ing. The seedling box 300 is formed thin as a whole,
It has flexibility in the rear and left and right directions. Pot 301, ...
The seedlings are sown by putting the floor soil into the seedlings.
Cultivate until Hereinafter, each part of the planting section 3 will be described. The seedling box feeder 14 is connected to the seedling box mounting part 21.
It comprises a section 22, a seedling box transport section 23, and an empty box storage section 24.
The seedling box mounting part 21 has a two-tiered structure with upper and lower seedling box mounting parts 2.
1 (A, B) is provided with an inclination so that the front side is higher.
Have been. The connection part 22 is provided with upper and lower seedling box mounting parts 21 (A,
B) The rear end and the start end of the seedling box transport section 23 are connected.
The seedling box transport section 23 has a substantially U shape in a side view, and the U-shaped
The rear end is the beginning of the seedling box transport, and the front end of the U-shape is the seedling.
This is the end of box transport. Empty box storage unit 24 transports seedling boxes
A plurality of empty seedling boxes are provided in front of the end of
It has a space that can be stacked and held. The flow of the seedling box during the planting operation is described.
In other words, the seedling box 300 placed on the seedling box
The seedlings are supplied to the seedling box transporting section 23 through the connecting section 22 and the
The supplied seedling box 300 is started by the seedling box automatic feeder 15.
It is intermittently conveyed from the end side to the end side by one pitch p.
Since the seedling box 300 is flexible, the seedling box 300
It is possible to carry along. During transport, seedling box transport
At the seedling pushing position 27 provided at the rear lower part of the
Seedlings are pushed backward by the seedling pushing device 16.
You. The empty seedling box discharged from the terminal end of the seedling box transport section 23
Collected in the empty box storage unit 24. A shutter 34 is provided at the front end of the connecting portion 22.
(A, B) are provided, and the shutter is appropriately opened and closed.
The seedling box of the upper seedling box mounting part 21 (A)
The seedling box transfer section alternately moves the seedling boxes of the lower seedling box mounting section 21 (B).
23. FIG. 8 is a view taken in the direction of arrow A in FIG. Seedling box
The supply side portion of the transport section 23 is pressed with the edge 44 a of the bottom plate 44.
With the ear 307 of the seedling box sandwiched between the metal fittings 45, the seedling box 30
0 is guided. At the bottom of the holding bracket 45
Has a vertically long rectangular opening 45a
You. FIG. 9 is a sectional view taken along the line BB in FIG.
The return side portion of the seedling box transport section 23 is the ear portion 307, 3 of the seedling box.
Rails 47, 47 with a U-shaped cross section for guiding 07 and a seedling box
Pipe 48 that receives the boundary surface of the seedling, and the boundary of the seedling box
And a guide pipe 49 fitted on the rear side of the rail.
7 and 47 sandwich the left and right sides of the seedling box,
Guide tube 49 sandwiches the front and rear of the seedling box
I have. The distance between the rails 47 and 47 and the receiving pipe 48
The spacing between the guide pipes 49 is just enough to pass one seedling box
The width of the seedling
The boxes do not overlap on the way. The automatic seedling box feeder 15 is shown in FIGS.
1 is shown. 50 is an automatic feed rod,
The claw hole 308 of the seedling box inserted into the opening 45a of the metal fitting 45
It has an automatic feed claw 51 that engages with the lower wall surface. This automatic
The feed rod 50 is a roller provided at the tip of the swing arm 53.
The shaft 54 is biased toward the seedling box path side via a torque spring 55.
And the swing arm 53 is attached to the support shaft 5.
So that it moves up and down as it swings around 7
Has become. When the automatic feed rod 50 is at the lower limit,
The feed nail 51 is set so that it is positioned at the seedling pushing position 27.
Have been. The swing arm 53 is connected via a seedling feed rod 58
Driven. Reference numeral 60 denotes a stop rod, which is inserted into the opening 45a.
The stopping claw 61 engaging with the upper wall surface of the claw hole 308 of the seedling box
Having. The stop rod 60 is rotatably mounted on a support shaft 62.
The lower end is slidable on the roller shaft 54.
Abut. Therefore, the swing arm 53 moves upward.
The lower part of the control rod 60 is pushed rightward and the control claw 61 is
308. Furthermore, the control rod 6
When 0 is pushed beyond a certain level, this is
The automatic feeding claw 51 is also out of the claw hole 308 by engaging with the piece 50a.
It is. Reference numeral 65 denotes a leaf spring brake, which is a hook portion 65a.
Is engaged with the claw hole 308, and the seedling box falls under its own weight.
It acts to prevent you from doing so. Next, FIGS.
4 will be described. FIG. 12 shows a state in which the swing arm 53 swings downward.
The automatic feed claw 51 of the automatic feed rod 50 and
When the stopping claw 61 of the stopping rod 60 is fitted in the opening 45a,
The upper wall surface of the claw hole 308 of the seedling box by the stopping claw 61
(In the initial state, the lower end of the seedling box)
Box 300 is held stationary. FIG. 13 shows a state in which the swing arm 53 swings upward.
The automatic feed rod 50 moves upward and
The moving feed claw 51 slides along the upper wall surface of the claw hole 308, and
The moving feed claw 51 is pushed out from the claw hole 308,
The lower part of the control rod 60 is rotated backward by being pushed by the roller shaft 54.
Then, the stopping claw 61 also comes off from the claw hole 308. Leaf spring breaker
The seedling box 300 is kept in the same position by the action of the key 65.
Will be retained. The swing arm 53 faces downward from the state shown in FIG.
When the automatic feed rod 50 is rotated to
The moving feed claw 51 is fitted into the claw hole 308. At this point
The stop pawl 61 of the stop rod 60 is out of the pawl hole 308.
You. In this state, the swing arm 53 is further rotated.
As a result, the automatic feed claw 51 pushes down the lower wall surface of the claw hole 308.
The seedling box 300 is conveyed by one pitch p. In addition, above
Some seedling boxes fall under their own weight. When the swing arm 53 reaches the bottom dead center
, The regulation by the roller shaft 54 is released and
The pawl 61 fits into the pawl hole 308 and returns to the state of FIG. The seedling box feeder 14 is provided with the automatic seedling box feeder 1.
5 is provided with a manual seedling box feeder 69. FIG.
And 70 in FIG. 11 denotes a manual feed rod,
A manual feed pawl 71 similar to the pawl 51;
3 via a torque spring 75 to a roller shaft 74 provided at an intermediate portion.
To the seedling box transport path side
I have. Normally, the manual feed rod 70 is shown in FIG.
At a cycle where the seedling box moves by one pitch p.
A state in which the moving feed claw 71 is fitted into the claw hole 308 of the seedling box and a manual
The feed pawl 71 is swung so as to be pushed out of the pawl hole 308.
ing. The manual lever 73 is reciprocated within the range shown in FIG.
When the manual lever 73 is rotated downward,
The moving feed claw 71 pushes down the lower wall surface of the claw hole 308 to move the seedling box.
300 in the feed direction by one pitch p. The hand
When the moving lever 73 is slightly moved up from the home position, the roller
When the shaft 74 presses the upper part 60a of the stop rod 60,
When the stop lever 60 rotates counterclockwise and the stop pawl 61
The seedling box is transported by the manual seedling box feeder 69
It becomes possible. Further, the manual lever 73 is moved to the position shown in FIG.
The manual feed pawl 71 to the locking piece 71a.
Then, the control rod 60 is engaged with the engaging portion 50a of the automatic feed rod 50.
To rotate the automatic feed rod 50 backward,
The automatic feed claw 51 of the moving feed rod 50 also comes off the claw hole 308.
The seedling box will fall freely. The manual feed rod 70 is moved when the seedling box is loaded.
Also serves as a stopper for preventing the seedling box from falling. 76 is a spindle 77
The stopper arm, which is rotatably supported on the
A curved portion 76a is formed on a side surface of the manual feed rod 70.
70a. Stopper arm 7
6 is provided on the path through which the ear 307 of the seedling box passes.
And the spring 78 reverses the feeding direction of the seedling box.
Being energized. If the seedling box 300 exists on the transport route
When the stopper arm 76 is pushed by the seedling box 300,
7, the manual feed rod 70 is at the position indicated by the chain line.
Lee. However, there is no seedling box on the transport route.
Then, the contraction force of the spring 78 causes the stopper arm
76 rotates to the position shown by the solid line in FIG.
Since the bent portion 76a and the projection 70a engage with each other,
Operation 70 is restricted. For this reason, the seedling box feeder 14
When the seedling box 300 is loaded when the seedling box is empty, the seedling box 300
Is once received and held by the manual feed pawl 71 of the manual feed rod 70
Is done. In this way, the seedling box will
Suddenly drops to the lower part of the box transporter 23 and feeds seedlings and seedling boxes.
A trouble can be prevented from occurring in the device 15. Manual lever
-73 and slightly raise the manual feed rod 71,
The bent portion 76a of the stopper arm engages with the projection 70a.
Is released, and the manual feed rod 70 becomes free.
The seedling box that has been dropped can now fall. When the seedling box falls
The stopper arm 76 is pushed to the position shown by the chain line.
You. The lock into which the spring 78 is loosely fitted.
The arm 80 is linked with the swing arm 53 by the connecting member 81.
And the swing arm 53 swings upward.
That is, the automatic feeding claw 51 and the stopping claw 61
08, the spring 78 is compressed and contracted.
As a result, the urging force of the stopper arm 76 increases.
I have. As described above, the automatic feeding claw 51 and the
When the stopping claw 61 comes off the claw hole 308, the seedling box 300
Is held by a leaf spring brake 65
However, the leaf spring brake 65
Just cannot be supported. So, at this time,
Pararm 76 prevents upper seedling box from going down
Acts as a brake to assist and assists the leaf spring brake 65
You do it. The manual feed rod 70 as a fall prevention stopper and
A sensing switch that detects the presence of a seedling box between the seedling pushing positions 27
Switch 93 is provided.
It is displayed on the seedling reduction lamp 94 etc. of the termascot
It has become. If the seedling reduction lamp 94 lights up,
When the operation is stopped and a new seedling box is supplied to the seedling box
In both cases, remove the empty boxes loaded in the empty box storage section 24
Good. A sensing switch 93 is provided at the position of the present embodiment.
Can replenish the seedlings before they are completely gone
As a result, planting shortage is prevented and the manual feed rod 7
When 0 functions as a stopper, the sensing switch 9
3 detects the decrease in seedlings, so the supplied seedling box is
70 once received, seedlings by impact etc.
Box displacement can be prevented. The seedling pushing device 16 is provided with the seedling box feeder 14.
From the seedling box located at the seedling extrusion position 27
A certain number of seedlings (14 in the illustrated example) pushed backward
Are provided. Seedling push pin 10
0,... Are attached to the bar 101 in the left-right direction,
Seedling pushing rods 102, 10 supporting both ends of the bar
2 is moved back and forth, and the seedling pushing pins 100,.
The seedling push-out pin is inserted into the seedling push-out hole 303 of the seedling box.
To push the seedlings in the pot 301 backward.
ing. The drive mechanism of the seedling pushing rod is as shown in FIG.
Is configured. Reference numeral 105 denotes a gear case, and
The base of the pad 102 is slidable in the gear case 105.
It is supported by. At the base of the seedling pushing rod 102,
And a fan-shaped pinion meshed with the rack is formed.
A gear 107 is provided in the gear case 105. Left and right
Pinions 107, 10 in the gear cases 105, 105
7 is mounted on a common shaft 108,
Swing arm 109 fixed to one end and later described
The drive arm 110 attached to the second drive shaft 212 is loose.
They are connected by an opposing connection body 112. Buffer connector 112
Are the cylinder 113 on the side of the swing arm 109 and the drive arm 11
The rod 114 on the 0 side is slidably fitted, and the rod 11
Of the cylindrical body 113 and the flange 115
Springs 116 and 117 are interposed between the upper and lower walls. The drive arm 110 is moved in the direction of the arrow from the position shown in FIG.
, The force to push up the rod 114 is applied to the spring 11
6 to the cylinder 113, and the swing arm 109
Rotate upward, and pinion 107 further rotates clockwise
, And the seedling pushing pins 110 protrude. Drive arm 1
When the rotation of 10 exceeds the dead center, the compressed spring 11
6 rebounds, the shock-absorbing connector 112 contracts and swings.
The arm 109 rotates downward, and further the pinion 107
Rotates counterclockwise, and the seedling pushing pins 110,.
You. That is, the protrusion of the seedling pushing pins 110,.
Is forcibly driven through a spring 116 which is
The retraction of the pins 110,... Is rapidly performed by the spring 116.
It is done. Seedling push pins 110, ... to predetermined position
When retracted, the flange 115 moves to the step 113 of the cylindrical body 113.
a, and the subsequent downward movement of the rod 114
And the seedling pushing pin 11
The overstroke of 0,... Is prevented. The seedling delivery device 17 has a common support shaft 121.
a, a pair of left and right links 1 each having a base supported by 122a
21, 121, 122, 122 and the end of the pair of links
Connecting shafts 121b, 121b, 122b, 122b at the ends
Parallel with brackets 123, 123 connected by
A link device, and left and right brackets 123, 123
The seedling holder 125 is mounted on the holding frame 124 provided between the
Is held. The seedling holder 125 has a floor for the seedling 310.
The concave portions 125a,...
ing. The upper portion of the recess 125a is open when viewed from the rear.
And a rib 126 at the rear end of the side wall.
And a resistance plate 127 is provided on the bottom surface.
I have. The resistance plate 127 is rotatably mounted on the shaft 128.
And is urged upward by a spring 129.
You. When pushing the seedling into the recess 125a, the pot of the seedling
The resistance plate 127 is pushed down. Seedling is concave 125
a, the resistance plate 127 is recessed.
The seedlings project above the bottom of the portion 125a, so that the seedlings
It will not come off. The drive mechanism of the seedling transfer device 17 is a lower link.
Oscillating arm attached to the support shaft 122a
Arm 131 and a drive arm attached to the second drive shaft 212.
Arm 132 is connected by a buffer rod 133 and the drive arm 13
2 is rotated in a certain direction to swing the swing arm 131.
It is configured to: The buffer rod 133 is a swinging arm.
Rod 133a on the arm side and rod 133b on the drive arm side
, So that both transmit power through the spring 134
It has become. Reference numerals 135 and 136 in FIG.
2 is a stopper for restricting the vertical rotation range of the second. By the action of the drive mechanism, a pair of left and right links is provided.
121, 121, 122, 122 swing up and down,
The seedling receiving position (E) and the release of the seedling in FIG.
Move between positions (FG). Seedling holder 125 is F-
Rotation fulcrum of links 121 and 122 when at the midpoint of G
The connecting shaft 121 is located immediately below the supporting shafts 121a and 122a.
b, 122b are located.
The da 125 moves almost horizontally forward between the FG and
Become. The seedling removing device 18 is connected to the L-shaped arm 140.
It has a seedling removal tool 141 attached. This seedling and
The tip of the tool 141 has a concave portion 125a of the seedling holder 125,
... so that it can be inserted into
The nursery 310a is bent as shown in FIG.
Part 141a for receiving the bottom of the seedling and the upper side of the seedbed 310a
A seedling hitting portion 141b that contacts the surface is formed. The L-shaped arm 140 pivots on the support shaft 143.
It is supported. And near the seedling removal cam
A cam row which is provided with an outer peripheral surface of the cam;
145 is mounted in place on the L-arm 140
You. L-shaped arm 140 has spring 146 in the direction of cam 144
Has been energized. The cam 144 has a recess 1 in a part of the circumference.
44a are formed, and the cam rollers 145
Spring 146 only when it falls into its recess 144a.
The sprout remover 141 instantaneously moves down due to the force of
ing. The cam 144 is also attached to the second drive shaft 212.
Is attached. The seedling holder 125 is at the seedling receiving position (E).
At the time, seedlings are pushed out of the seedling box by the seedling pushing device 16.
The seedlings are placed in the recesses 125a,.
Pushed. Then, while holding the seedling, the seedling holder 12
5 rotates to the release position (FG). Seedling holder 125
When seedling moves from point F to point G, seedling removal tool 141
Are inserted into the recesses 125a of the seedling holder.
Then, the seedlings held in the recesses are pulled out relatively rearward.
Is done. As described above, the seedling holder 125 substantially moves between the FGs.
Because it moves forward horizontally, the seedling removal parts 141a,.
Are inserted straight into the parts 124a,.
The seedling removal from the rudder 125 is performed favorably. In addition, seedlings
When the holder 125 reaches the point G, the seedling removing tool 141
Move downward, and the seedling hitting parts 141b,.
Of the seedlings extruded from the belt onto the seedling transport belts 19, 19
Remove it. The seedling transport belt 19 is formed of two adjacent strips (L,
R) are paired with each other.
G (L, R) are bilaterally symmetric. Seedling
The conveyor belt 19 is stretched over a pair of rollers 150 and 151.
That the drive roller 150 rotates in a predetermined direction.
As a result, the belt always moves in the direction of the arrow
I have. The 14 seedlings transferred from the seedling transfer device 17
7 pieces are placed on the upper surface of the left and right seedling transport belts 19 (L, R).
Can be done. Then, the seedlings are transferred to the seedling transport belt 19 (L,
R) is transported outward and the seedling collecting position T of the planting device 12₁ To
Supply seedlings one by one sequentially. Also, the seedling picking position T₁ Under
In the meantime, at the time of planting by the planting device 12,
A guide plate 153 is provided for the inside. The planting device 12 has a circular shape in a side view.
Case 160 and a pair of spatula-shaped members provided on the rotary case.
And the implantation rods 161 and 161. Rotary car
As shown in FIG. 24 and FIG.
Has become. In the figure, 163 is after the transmission case 10
An implanting device mounting shaft supported at an end thereof;
Fixed metal 165 is fitted to the tip of key by key 164
And a rotary case housing
166 is fixed. Therefore, the rotary case
160 rotates integrally with the planting device mounting shaft 163. planting
An annular guide groove 168a is provided around the device mounting shaft 163.
Is fitted. This mosquito
The housing 166 by a bearing 169.
To be rotatable and fixed to the transmission case 10.
Integrated with the fixed plate 170 by the claws 168b.
ing. A pair of rows is provided in the guide groove 168a of the cam 168.
172 and 172 are fitted. These rollers 172
Is an arm 1 rotatably fitted around the support shaft 173.
74. The arm 174 has
The gear 174 is formed with a mounting rod.
A gear 178 attached to the shaft 177 meshes. Implantation
The rod 161 is fixed to the implanted rod mounting shaft 177 with a cotter pin 179.
It is attached to a fixed state. The planting device mounting shaft 163 rotates in a predetermined direction.
Then, the rotary case 160 integrated with this also rotates
Then, while the implantation rod 161 draws the closed locus T (see FIG. 23).
Move from At this time, the rollers 172 and 172
Moving along the guide groove 168a of the moving cam 168
The arm 174 swings, and the swing is caused by the gear 175
It is transmitted to the implanted rod mounting shaft 177 via 178. this
Therefore, the angle of the implanted rod 161 changes slightly during the movement.
Let That is, the seedling collecting position T₁ Horizontal when passing through
And the seedling picking position by the seedling transport belt 19
T₁ Is parallel to the seedling 310 supplied to the cultivator. And low
Keeping the same posture with respect to Tali case 160
Rotate down and plant seedlings through guide plate 153
Attached position T_Two Lead to. After planting, the implanted rod 161
Posture to rotate forward relative to the base 160.
By making it, the implantation rod 160 is absolutely
It operates as if it were pulled out, so that the planting rod 160 and the seedling
Separation was performed without difficulty, and the posture of the planted seedling 310 was disturbed.
Absent. The transmission case 10 is shown in FIG.
As described above, the three transmission cases 180,
…, Connected to the gap and outer end of these mission cases
The four additional foot cases 181,...
Of the four chain cases 182,.
Each part is combined. Mission case 18
The rear part of 0,.
The tubular portions 180b, 180b are fixed to the extension cases 181,.
It is wearing connection. Central mission case 180
The input unit 183 is integrally formed in FIG. Ma
In addition, at the front end of the central mission case 180 (C)
Rolling shaft 184 connected to planting section mounting device 5 rotates
It is freely supported, and the entire planting section 3 is
Rolling supported. And the central two
Both sides of the rear end of the chain case 182 (2, 3) and both left and right ends
6 each one inside the rear end of the chain case (1,4)
Are provided. Next, the internal structure of the transmission case 10 will be described.
(See FIG. 26). FIG. 26 is an expanded sectional view.
And the orientation and positional relationship of each part are different from the actual
ing. The PTO output of the machine 2 is input to the input section 183.
Input to the force shaft 185, and from the input shaft
, 180,... And the extension case 181,
… A pair of bevel gears to the first drive shaft 186 supported inside
190,191. This transmission is safe
It is configured as a clutch. That is, the gear 190
Are rotatably fitted to the input shaft 185,
5 and gear 190 are transmission-coupled through a clutch body 192.
Have been. This clutch body 192 is connected to the input shaft 185.
The clutch body 1 is slidable by the spring 193.
92 is pressed toward the gear 190, so that both transmission claws are
190a and 192a are engaged. this
Therefore, when the load exceeds a certain level, the spring 193 is pushed.
The clutch body 192 disengages from the gear 190 against the pressure,
Transmission is stopped. Tube receiving spring 193
195 in a direction away from the clutch body 192.
If it is shifted by 6, the transmission is stopped regardless of the size of the load.
You. The first drive shaft 186 has the bevel gear 1
91, the sprocket wheel 2 for driving each planting device.
00,..., Bevel gears 201 for driving each seedling transport belt
, And to each axis in the transmission case main body 180a,.
Gears 202 for transmission are attached.
You. The first drive shaft 186 is divided into two segments.
It consists of three shafts 186 (L, C, R).
Connected by two center sprocket wheels 200, 200
It has a structure. The sprocket wheels 200,.
Sprocket wheel attached to the attachment shafts 163, ...
Chains 205, ... are stretched between
The rotation power of the first drive shaft 186 is
... is always communicated to. The bevel gears 201,.
A bevel gear 208 attached to a moving roller shaft 207,.
Are engaged with each other, and the seedling transport belt is moved from the first drive shaft 186.
Are transmitted directly to the drive roller shafts 207,. The mission case 180 is a part of the planting section 3
Planting part drive case provided with a drive shaft for driving the
In the transmission case 180, a first drive shaft 186 is provided.
In parallel with the counter shaft 211, the second drive shaft 212, and
And a third drive shaft 213. And the second drive
The seedling pushing drive arm 11 is provided on both left and right ends of the driving shaft 212.
0 and seedling transfer drive arm 132 are separately installed
Seedlings near the outer surface of the case.
A cam 144 is mounted. Also, the third drive shaft 2
A seedling 13 has a tip connected to the seedling feed rod 58.
A feed drive arm 58a is attached. From the first drive shaft 186 to the counter shaft 211
To the second drive shaft 212 via the two sets of gears 202 and 21
5 and 216, 217 at a reduced speed.
Also, a cam is provided from the second drive shaft 212 to the third drive shaft 213.
Driven by the drive, the third drive shaft 213 is intermittently driven.
219 is a cam attached to the second drive shaft 212, 220 is
Supported by an arm 221 attached to the third drive shaft 213
Cam roller. The transmission portion between the gear 217 and the second drive shaft 212
Is provided with a ridge clutch 230 configured as follows.
I have. The gear 217 is rotatable about the second drive shaft 212.
The clutch body 231 is
The gear 2 is non-rotatably and slidably fitted to the driving shaft 212.
17 and the pawl 231a of the clutch body 231.
It is designed to transmit in combination. Clutch body 23
1 is biased toward the gear 217 by a spring 232
Therefore, the clutch is always engaged. clutch
The clutch pin 233 is pressed against the tapered surface 231b of the body 231.
When it hits, both claws 217a and 231a come off and
Latch off. At this time, the clutch body 231 has a predetermined angle.
The clutch is set to disengage when
You. Therefore, the automatic seedling box feeding device 15, the seedling pushing device,
16, seedling delivery device 17 and seedling removal device 18
The clutch is turned on and off in units of
When the switch is turned off, each of these devices is stopped in a fixed position. On the lower side of the planting section 3, a float for leveling is provided.
And the center float 250 located at the center of the left and right
(C) and the side flow located behind the rear wheel of the machine 2
250 (L, R). Each float 2
50 (L, C, R) has a wide front part and a narrow rear part
Grooves for forming seedling transplant grooves on the left and right sides of the rear
Are mounted. Float 250
(L, C, R) are rotatable up and down on the transmission case 10.
A support pin (not shown) is provided at the rear end of the float support rod 252 provided.
(Omitted), and the front part is an expansion / contraction link 2
55, and the front part according to the unevenness of the paddy surface
Moves up and down. Center float 250 (C) is paddy field height
Sensor to detect the height of the center float
The hydraulic valve 2 for controlling the hydraulic cylinder 6 based on the movement
57 spools are switched, and the planting part 3
Control to a constant height. Therefore, the seedling depth
Is always kept constant. The float support rod 252
By rotating and changing the support height of each float,
The planting depth of the seedlings can be adjusted. The fertilizer applicator 4 includes a hopper 26 for storing fertilizer.
0 and a feeder 261 for feeding the fertilizer in the hopper downward.
And the fertilizer fed from the feeder is introduced into a ditch for planting seedlings.
And a fertilizer application pipe 262. At the time of planting work, the seedlings
The seedling box containing the seedlings is loaded, and the planting section 3 is moved to the working position shown in FIG.
To start the machine 2. The planting part 3 is driven
The seedling box is transported along the specified transport path.
The seedlings pushed out of the seedling box during the transportation are
Picking position T₁ The seedlings are supplied to the
Rod 161 into the groove for seedling planting formed in the field scene
Planted by. After the seedlings are extruded, the seedling box
It is collected by the seedling box collection unit 24. Seedlings in planting section 3 are gone
Then, replenish the spare seedlings mounted on the machine 2. [0051]In the transplanter shown in FIG. 1,Reserve
The spare seedling frame 270-1 for holding seedlings is located on the left and right sides of the machine.
Part is provided horizontally, and seedlings are
The box is suspended. Spare seedling frame is hanger
Anything that can hook the postscript hook of 320
(For example, a round pipe)
It can be structured. FIGS. 41 to 43 show an example of a hanger.
I do. The hanger 320-1 is used for the spare seedling frame 27.
Hook 321 for hooking to zero, and end of seedling box 300
And a clip 322 for sandwiching the portion. Click
The hook 322 connects the first clip member 323 to the upper boundary of the seedling box.
To the portion 306, the first click is performed by the torque spring 324.
Second clip member biased toward the lip member 323
At 325, the pots 301, 301 on both sides of the boundary 306 are
It is designed to hold the bottom. Second clip member 32
At both ends of 5 there are horizontal positioning
Plates 326 and 326 are provided. Clip 323
The opening operation is performed by the finger contact portion 323a of the first clip member 323.
And the finger rest 325a of the second clip member 325
Perform it with your fingers. When replenishing the seedlings, the operator is required after step 2a.
Seedling box 300 standing at the end and suspended by spare seedling frame 270
From the hanger 320, lift the seedling box as it is,
Place the lower end of the seedling box at the front end of the seedling box mounting part 21 (A or B)
And then slide the seedling box into the seedling box mounting area.
It is good to do it. In this way, with the seedling box suspended
If you lift it, the seedling box will not bend, etc.
Is easy to handle. Also, on the rear end side of the spare seedling frame 270,
Load the seedlings from the hanging seedling boxes in order
And the seedling replenishment work is easy. Plant a seedling box within reach
After replenishing the attachment, hook 3 of hanger 320
Seedling box 21 in front while shifting 21 along spare seedling frame 270
May be slid backwards. Seedling box with spare seedling frame 270
A large number of spare seedlings can be
So that you can transfer spare seedlings during operation.
It does not need to be performed frequently, and the work efficiency is good. [0054] Embodiment 1 FIG. 27 and FIG.Of the present inventionExample
are doing. The transplanter 1-2 includes a front and rear seedling box mounting portion 21.
The front end of (A, B) is curved upward and is in a vertical state
Suitable for receiving seedling boxes supplied from above with
It has become. The spare seedling frame 270-2 is located on the outer edge of the
A horizontal line connecting the vertical frame parts 271 and 271 along the rear ends of the left and right vertical frame parts.
The frame portion 272 is formed in a U-shape in plan view, and the horizontal frame portion 272 is
It is located above the seedling box mounting part 21 (A, B). Reserve
The height of the seedling box 270 is such that when the seedling box is suspended,
The lower end is slightly higher than the upper end of the seedling box mounting part 21 (A, B)
It is set to be. The spare seedling frame 270 is vertical
Front support 27 hanging from the front ends of the frame parts 271 and 271
3,273, and projecting a little forward from the center of the side
It is supported by the machine 2 by a hanging rear support 274.
You. Hanger 320 used for hanging a seedling box
-2 is integrated with the hook 321 as shown in FIG.
Two sets of clips 32 on both sides of the base plate 328
2,322 so that two seedling boxes are held in parallel
Has become. The spare seedling attached to the hanger 320 is a vertical frame.
Parts 271 and 271. And when replenishing seedlings
, Move the reserve seedlings to the horizontal frame 272 and replenish them
Right above the seedling box feeder 14 from the hanger 320 to the seedling box
Remove 300, 300 and drop the seedling box down as it is
It is supplied to the mounting part 21 (A, B). Must lift seedling box
Since there is no need, seedling replenishment is extremely easy. [0057] Embodiment 2 FIG. 29 and FIG.
The spare seedling frame 270-3 is divided into two portions at the center of the horizontal frame portion 272.
A gap 276 is formed between the left and right portions.
The gap 276 is located between the cockpit and the seedling box feed stand 14,
Hanger collection on the rear step 2a directly below
A box 277 is provided. Example1As in the case of the preliminary seedling 270, the vertical frame portion
271 and 271
It is moved to the horizontal frame part 272 and supplied to the seedling box mounting part 21.
You. The horizontal frame portion 272 is located forward of the seedling box placing portion 21.
The seedling box removed from the hanger 320
Must be horizontally moved to
Is slightly inferior to Example 2. On the other hand, he removed the seedling box
The linger 320 is moved to the gap 276 along the horizontal frame 272.
Just remove the hanger from the spare seedling frame
Guided to 74, 274 automatically into hanger collection box 277
Can be collected. [0059] Comparative Example 1 The transplanter 1-4 shown in FIG. 31 and FIG.
The spare seedling frame 270-4 is placed above the seedling box feeders 14,.
Bijna hanging pipes 278 are arranged side by side in the front-rear direction.
Have been. Each spare seedling suspension pipe 278 has a cylindrical shape at the front end.
Attached to the horizontal support shaft 280 by the base 279
The spare seedling suspension pipe 278 is always horizontal.
However, the protrusion protrudes forward from the cylindrical base 279.
Pull the bar 281 down and the spare seedling suspension pipe 278 will be
The reserve seedlings 300, ... that are inclined upward and are suspended
It slips forward. [0060] Comparative Example 2 Preliminary Seedling of Transplanter shown in FIGS. 33 and 34
The frame 270-5 is provided horizontally in the left-right direction. [0061] Embodiment 3 The transplanter 1-6 shown in FIG. 35 and FIG.
The seedling frame 270-6 of this transplanter is
Preliminary back-and-forth seedling suspension pipe from the front end to the rear end of the body
283,... Are provided for each seedling box feeder 14,.
You. [0062] Comparative Example 3 As shown in FIG.
If the upper part of the side wall 21a of (A, B) is notched,
Preliminary seedlings can be supplied to the seedling box mounting part by feeding. This
The two seedling boxes 30 held by the hanger 320
The interval between 0,300 and the interval between the seedling box mounting portions 21 (A, B)
It is better to make them equal. [0063] [Comparative Example 4] A plurality of seedling box mounting parts 21 are provided, and each seedling box mounting
In the case of a seedling box feeder where the front and rear intervals of the
As shown in FIGS. 38 to 40, each of the seedling box mounting portions 21,.
The upper end portions 21b,.
When replenishing seedlings, above the seedling box mounting part 21 to be replenished
Bend the end 21b forward to widen the seedling box insertion area
It is good to make it. [0064] [Supplementary explanation] Hanger 320- used in each of the above embodiments.
1,320-2 is a hook for hooking on a spare seedling frame
321 and a clip 322 for pinching the end of the seedling box
And the spare seedlings are transferred to the spare seedling frame 27 of the transplanter.
Attach the spare seedling box 300 to the hanger 320 when hanging it at 0
I was going to be able to. In contrast, the hand shown in FIG.
The gir 320-3 has a hook 321 and a clip 322A which are separate.
The clip 322 is attached to the seedling box in advance.
Is to be kept. The hook 321 of the hanger is used as a spare seedling frame.
Hook 321a and a clip.
And a second hook portion 321b to be hung. On the other hand, the clip 322A is
Boundary between first clip member 323 to be brought into contact with boundary portion 306
Hold the bottoms of the pots 301, 301 on both sides of the part 306
And a second clip member 325.
4 to the first clip member 325
323 side. And the first clip member 3
The lifting hole 330 and the second clear
The hanging hole 331 is provided in the finger contact portion 325a of the stopper member 325.
Are formed respectively. As shown in FIG. 45, the second hole is
When the hook part 321b is hooked, the seedling box 300 is suspended vertically.
It will be in a lowered state. Also, pull up as shown in FIG.
When the second hook 321b is hooked on the hole 330,
It is convenient to pull up the seedling box 300 that is placed flat
is there. The clip 322A is inserted between the seedling boxes.
When the body portion of the first clip member 323 and the second clip
The finger rests 325a of the member 325 are aligned.
Therefore, as shown in FIG. 46, the seedling boxes 300,.
Finger rest of second clip member 325 when laying down
325a contacts the border 306 of the adjacent seedling box,
Heights are aligned. The clip 322B shown in FIGS.
The first clip member 323 and the second clip member 3
Pull up on the suspension member 333 provided rotatably with respect to 25
Holes 334 are formed.
34, hook the second hook portion 321b and pull the seedling box.
Lifting and lifting are performed. The clip 322 shown in FIGS. 50 and 51
C is opposite to the rotation fulcrum of the suspension member 333 at both ends.
The leg portions 335 and 335 extending to opposite sides are integrally formed.
You. The seedling box 300 is suspended using the clip 322.
Then, the legs 335 and 335 contact the back of the seedling box,
With these legs 335 and 335 and the first clip member 323
Curve the seedling box slightly so that the upper surface is concave as shown in FIG.
You. For this reason, the leaves of the seedlings 310 become densely stacked, and
It becomes harder to fall off and the rigidity of the seedling box increases,
The lower part of the box is less likely to shake. [0071] As described above, the transfer according to the present invention is performed.
The planting machine has a reserve for replenishing when the seedlings in the planting area run out.
Put the clip on the upper end of the box,
So that it is suspended vertically
The member that suspends and holds the seedling box can be made smaller,
The frame can be simplified and reduced in weight. Also, reserve seedlings
With the box suspendedUp to above the seedling box mounting part of the planting part
Move it and click it with the right and left positions of the seedling box
The seedlings can be removed and the seedlings can be replenished.
Can easily supply seedlings to the planting area.
Was.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an overall side view of an implanter . FIG. 2 is an overall plan view of the transplanter . FIG. 3 is a side view of the planting section. FIG. 4 is a plan view of a planting section. FIG. 5 is a plan view of a main part of the planting part. FIG. 6 is a plan view of a main part of the planting portion different from FIG. FIG. 7 is a rear view of the planting portion with a part omitted. FIG. 8 is a view taken in the direction of arrow A in FIG. 3; FIG. 9 is a sectional view taken along line BB in FIG. 3; FIG. 10 is a side view of the seedling box feeding device. 11 is a view as viewed in the direction of the arrow C in FIG. 10; FIG. 12 is a first explanatory diagram of the seedling feeding operation. FIG. 13 is a second explanatory diagram of the seedling feeding operation. FIG. 14 is a third explanatory diagram of the seedling feeding operation. FIG. 15 is a first explanatory diagram illustrating the operation of the manual seedling feeding device. FIG. 16 is a second explanatory diagram of the operation of the manual seedling feeding device. FIG. 17 is a third explanatory diagram of the operation of the manual seedling feeding device. FIG. 18 is a side view of a main part of the planting section. FIG. 19 is a side view of the seedling pushing device. FIG. 20 is a side view of the seedling delivery device and the seedling removing device. FIG. 21 is a front view of a seedling holder and a seedling removal tool. FIG. 22 is a sectional view of a seedling holder. FIG. 23 is a side view of the planting device. FIG. 24 is a sectional view of the planting device. FIG. 25 is a side view showing the internal structure of the planting device. FIG. 26 is an expanded sectional view of the transmission case. FIG. 27 is a side view of the first embodiment. FIG. 28 is a plan view of the first embodiment. FIG. 29 is a side view of the second embodiment. FIG. 30 is a plan view of the second embodiment. FIG. 31 is a side view of Comparative Example 1 . FIG. 32 is a plan view of Comparative Example 1 . FIG. 33 is a side view of Comparative Example 2 . 34 is a plan view of Comparative Example 2. FIG. FIG. 35 is a side view of the third embodiment . FIG. 36 is a plan view of the third embodiment . FIG. 37 is a perspective view of a main part of Comparative Example 3 . 38 is a side view 1 of a main part of Comparative Example 4. FIG. 39 is a side view 2 of a main part of Comparative Example 4. FIG. 40 is a side view 3 of a main part of Comparative Example 4. FIG. FIG. 41 is a perspective view of a hanger. FIG. 42 is a front view of the hanger shown in FIG. 41. FIG. 43 is a side view of the hanger shown in FIG. 41. FIG. 44 is a perspective view of a hanger. FIG. 45 is a perspective view of a hanger. FIG. 46 is a side view showing a state where the clip of the hanger shown in FIG. 45 is attached to the seedling box. FIG. 47 is a front view of the clip. FIG. 48 is a side view 1 of the clip shown in FIG. 47. FIG. 49 is a side view 2 of the clip shown in FIG. 47; FIG. 50 is a front view of the hanger. FIG. 51 is a side view of the hanger shown in FIG. 50. FIG. 52 is a sectional view taken along the line SS in FIG. 51. FIG. 53 is a plan view of a seedling box. 54 is a view as viewed in the direction of the arrow D in FIG. 53. FIG. 55 is an enlarged plan view of a seedling raising pot. [Description of Signs] 1 Rice transplanter 2 This machine 3 Planting unit 4 Fertilizer application device 5 Planting unit mounting device 270 Spare seedling frame 300 Seedling box 310 Seedling 320 Hanger 321 Hook 322 Clip

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Tetsu Kato 1st Hachikura, Tobe-cho, Iyo-gun, Ehime Prefecture Iseki Agricultural Machinery Co., Ltd. In-house Engineering Department (56) References JP-A-2-148221 (JP, U) JP-A 2-111217 (JP, U) (58) Fields surveyed (Int. Cl. ⁷ , DB name) A01C 11/02

Claims (1)

(1) A clip that engages with an upper end of a seedling box in a transplanting machine that loads seedlings grown in a flexible seedling box into a planting section together with a seedling box. The seedling box can be suspended almost vertically by using the
Right and left positions of the seedling box transferred to the seedling box mounting part and the seedling box mounting part
A transplanter, characterized in that a spare seedling frame, which can adjust the position of a seedling box so that it fits, is provided on the body.