JP3339227B2 - Rice transplanter - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rice transplanting machine which is capable of reducing the left and right widths of a working machine for planting seedlings.

[0002]

2. Description of the Related Art In a rice transplanter, the most protruding portion to the left and right is a seedling mounting portion of a seedling planting machine. Therefore, the outermost end of the seedling mounting portion is configured to be foldable.
An eight-row rice transplanter has been developed in which the lateral width of the seedling planter can be reduced during transportation or storage. For example, by folding the outermost end portion of the seedling mounting table, it is possible to load the seedling table on a 2-ton loading truck having an average bed width.

[0003]

Conventionally, most of the rice transplanters that have been put into practical use have been limited to eight-row planting. However, with the increase in the scale of agricultural management, multi-row rice transplanters exceeding ten-row planting have been proposed. Development is essential. In the case of such a multi-row rice transplanter, the right and left width of the seedling planting machine becomes particularly large. However, there is a great demand that the plant can be loaded on a truck of about 2 tons.

[0004] For example, in the case of a 10-row rice transplanter, the width of the seedling mounting table is such that it can be loaded on a 2-ton loading truck by folding two rows of seedling mounting portions from the outside. However, since the left and right ends of the outermost seedling plant and the frame supporting the same protrude left and right more than the folded seedling table, they protrude from the bed of the 2-ton truck. Therefore, it has become necessary to reduce the left and right width of the portion where the seedling planting device is provided.

[0005]

In order to solve the above problems, the present invention has the following arrangement. That is, the rice transplanter according to the present invention includes a transmission frame that supports a plurality of seedling planting devices arranged in parallel on the left and right and transmits power to the seedling planting plant, except for the seedling planting device on the outermost line. A planting transmission frame portion that supports one set of the seedling planting device on the inner side than the left and right sides, and a supporting frame portion that supports the outermost streak planting device, and the planting transmission frame portion. To the inner seedling planting device supported by the planting transmission frame through a transmission means provided in the planting transmission frame, and the outermost line seedling planting device supported by the support frame portion is It is configured to be linked with the inner seedling planting device, and furthermore, the support frame portion can be moved left or right inward or detachable, and the outermost line seedling planting device and the inner seedling planting device can be separated. It is characterized by having a simple configuration.

[0006]

[Function] When transporting or storing, after separating the seedling planting device of the outermost line from the seedling planting device inside, the support frame portion is moved to the left and right inside together with the seedling planting device of the outermost line. Alternatively, the width of the portion where the seedling planting device of the seedling planting machine is provided is reduced.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment shown in the drawings will be described below. The riding rice transplanter 1 is configured by mounting a seedling planting work machine 4 on an elevating link device 3 provided at a rear portion of a traveling vehicle body 2.
Further, a fertilizer application device 5 is mounted as needed.

The traveling vehicle body 2 includes a pair of left and right front wheels 10, 1
This is a four-wheeled vehicle provided with zero wheels and rear wheels 11,11. A transmission case 12 is arranged at the front of the fuselage, and front wheel axle frames 13 and 13 are provided from left and right side surfaces of the transmission case.
Extends to the left and right sides, and the front wheel final case 1
4, 14 are provided. Under the front wheel final cases 14, 14, front wheel support cases 15, 15 are provided so as to be capable of turning, and front wheels 10, 10 are attached to front wheel axles 10a, 10a projecting laterally from the outside thereof. The front ends of a pair of left and right vertical frames 17, 17 are fixed to the back of the transmission case 12, and the horizontal frame 18 is fixed to the rear ends of the vertical frames 17, 17. A rear wheel rolling shaft 19 whose axis is oriented horizontally in the front-rear direction is fixedly fitted to the left and right central portions of the horizontal frame 18, and the rear wheel frame 20 is supported by the protruding portion of the rear wheel rolling shaft in a freely rotatable manner. ing. Rear wheel gear cases 21 and 21 are provided at left and right ends of the rear wheel frame 20, and a rear wheel axle 11 protruding laterally from an outer portion thereof.
The rear wheels 11, 11 are attached to a, 11a. Rear wheel drive power in the transmission case 12 is transmitted to the rear wheel gear cases 21 and 2 by the retractable rear wheel drive shafts 23 and 23.
It is transmitted to 1.

The engine 30 is provided on the vertical frames 17, 17. The rotational power of the engine output shaft 30a is once transmitted to the drive shaft 32a of the hydraulic pump 32 by the first belt transmission 31, and further transmitted to the transmission case input shaft 12a by the continuously variable second belt transmission 33. Can be Further, power is transmitted from the second engine output shaft 30b to the alternator 35 mounted on the engine 30 by the third belt transmission device 36.

On the upper part of the fuselage, the front wheels 10,
A steering wheel 40 for steering the vehicle 10 is provided.
A seat 42 is provided on an engine cover 41 that covers the upper side of the engine 10. A lower portion of the handle 40 is covered with a post cover 44, and a display panel 43 for displaying various operation states is provided on an upper portion thereof. The periphery of the engine cover 41 and the post cover 44 is a horizontal main step 45 that allows the operator to walk freely.
The rear portion 45a of the main step 45 is high so as not to interfere with the rear wheels 11,11. Further, on both the left and right sides of the main step 45, the extension steps 46, 4 are provided so that the step surface is substantially at the same level as the main step 45.
6 are provided. These extension steps 46, 46
Also, as in the main step 45, the rear portions 46a, 46a are higher. The left and right expansion steps 46, 46 are located outside the rear wheels 11, 11 in plan view, and the left and right folded portions 80-1, 80-2, 8 of the seedling mounting table 80 described later.
It is provided so that it may be located inside 0-9 and 80-10. Further, below the extension steps 46, 46, there are provided elevating steps 47, 47 used when getting on and off the steps from the left and right sides of the machine body. It is also possible to get on and off the main step 45 directly from the front of the aircraft.

On the left and right sides of the front of the body, spare seedling mounts 48, 48 for placing seedlings to be supplied to the seedling planting machine 4 are provided. In the spare seedling mounting table 48, the support post 201 is vertically erected on the spare seedling mounting frame 200 provided on the front side of the expansion step 46, and the seedling frame 202 is rotatable around the vertical axis on the support post. A plurality of seedling frames 203 are attached to the seedling frame at predetermined intervals. Each of the seedling frames 203,... Has its left and right wings folded upward with the left and right center portions as fulcrums.

The elevating link device 3 includes vertical frames 17, 1
7, an upper link 51 and a lower link 5 rotatably attached to a link base 50 fixed to the rear end.
2 and 52, and a vertical link 53 is connected to the rear ends of these vertical links. Then, a connection shaft 54 fixed to the seedling planting machine side is rotatably inserted and connected to a bearing portion projecting rearward from a lower end portion of the vertical link 53, and the seedling planting machine 4 is connected.
Are mounted to be rotatable left and right with respect to the traveling direction. The hydraulic cylinder 56 for driving the lifting link device has a support member (not shown) whose base side is fixed to the vertical frames 17, 17.
, And the piston rod side thereof is connected to the lower end of a swing arm 57 provided integrally with the base of the upper link 51. When the hydraulic cylinder 56 is expanded and contracted, the elevating link device 3 moves up and down, and the seedling planting machine 4 moves up and down with a constant posture. The hydraulic cylinder 56 is switch-controlled by a hydraulic valve 58 provided in the seedling planting work machine 4.

The seedling planting work machine 4 has a ten-row planting structure, a transmission frame 60 serving also as a frame and a transmission case, a seedling stand 80 on which seedlings are placed, and a plant for planting seedlings on the seedling stand in a field scene. There are ten sets of seedling planting devices 160,...

The transmission frame 60 includes a seedling table driving case 6.
One and four planting transmission frame portions 62-1 to 62-4
And two left and right connecting pipes 63, 63 and two left and right support frame portions 64, 64. That is, the front inner surfaces of the planting transmission frame portions 62-2 and 62-3 are connected to the left and right side surfaces of the lower part of the seedling table driving case 61 located at the left and right central portions.
The front inner surfaces of the planting transmission frame portions 62-1, 62-4 are connected to the front outer surface of 62-3 via connecting pipes 63, 63, and further the planting transmission frame portions 62-1, 62-4.
The mounting bases of the support frame portions 64, 64 are mounted on the outer surface of the front portion of the vehicle with a mounting portion structure described later. Accordingly, the four planting transmission frame portions 62-1 to 62-4 are arranged in parallel on the left and right sides, and the support frame portions 64, 64 are located outside the planting transmission frame portions. Are supported on the left and right sides of the seedling planting drive shafts 65A,... Supported on the rear portions of the planting transmission frame portions 62-1 to 62-4, and on the rear portions of the left and right support frame portions 64, 64. Seedling plant mounting shaft 65
A total of 10 sets of seedling planting devices 160,.

The seedling planting device 160 includes a seedling planting device driving shaft 6.
It comprises a rotating case 161 connected to 5A or the seedling planting device mounting shaft 65B, and a pair of planting tools 162 and 162 attached to both ends of the rotating case. Rotating case 1
By the transmission mechanism in 61, the planting tools 162, 162 rotate in the direction opposite to the rotation direction of the rotating case 161 and the tip of a fork-shaped seedling separating tool (not shown) fixed to the planting tool is deformed vertically. It operates to draw a closed locus. This allows
The seedling separation tools of the planting tools 162,... Separate and hold the seedlings supplied to the seedling dividing ports 90,... Of the seedling mounting table 80, and plant the seedlings in the field scene.

The central eight-row planting device 160-2 to 160-
9 are driven by the rotating rotating seedling planting device drive shafts 65A,...
-10 is a seedling planting device 160-2, 1 inside one of them.
It is designed to operate in a passive manner in conjunction with 60-9. The structure of the interlocking is such that the coupling shaft 1 capable of detachably connecting the planting tool mounting shafts 162a, 162a of the drive side seedling planting device and the planting device mounting shafts 162a, 162a of the driven side seedling planting device.
63 and 163, whereby the driven-side seedling planting devices 160-1 and 160-10 operate in the same phase as the driving-side seedling planting devices 160-2 and 160-9.

The structure of the mounting portion of the support frame is as follows. Planting transmission frame 62-
1 (62-4) is provided with upper and lower support holes 211 which are open upward.
1 is a mounting base 6 bent downward in the support frame portion 64
4a is fitted rotatably and slidably. The mounting base 64a of the support frame portion is formed with annular grooves 212 and 213 having a semicircular cross section at two upper and lower locations.
a into the lower part of the support hole 211, the spring 21
4 engages with the upper annular groove 212, and when the mounting base 64a is pulled up to a predetermined height, the ball 215 engages with the lower annular groove 213. The height can be positioned. Then, the positioning screw 216 is screwed in, and the tip thereof is engaged with the annular groove 212 or 213, thereby fixing the support frame 64 at the positioned height.

Further, the support 210 is provided with a guide groove 217 cut between the support hole 211 and the outside, and a pin 218 fixed to the mounting base 64a is loosely fitted in the guide groove 217. . The guide groove 217 includes a vertical portion 217a and a horizontal portion 217b that follows the upper end of the vertical portion. Mounting base 64a
Is inserted to the lower part of the support hole 211,
8 is located below the vertical portion 217a of the guide groove, the pin 218 hinders the support frame portion 6
4 cannot be rotated about axis SS. However, when the mounting base 64a is pulled up, the pin 218 is positioned at the upper end of the vertical portion 217a of the guide groove, and the pin 218 can move within the horizontal portion 217b of the guide groove. Support frame part 64
Can be turned inward around the axis SS.

The transmission is transmitted from the transmission case 10 of the traveling vehicle body 2 to the transmission frame 60 via a first planting transmission shaft 66, a planting clutch case 67, and a second planting transmission shaft 68. The power input to the transmission frame 60 is transmitted through the lower part of the seedling mounting table drive case 61, the front part of the planting transmission frame portions 62,... And the inside of each of the connecting pipes 63, 63. , And the seedling planting device drive shaft 65A,.
It is transmitted through 2,. The planting spindle 70 is provided with a separate planting clutch 75,.
L2, PL3, planting strip PL4, PL5, planting strip PL6
The planting operation and the planting stop of each line can be selected in units of PL7 and planting lines PL8, PL9, PL10.

The connecting shaft 54 projects from the center of the front surface of the seedling table driving case 61. Also, a seedling vertical feed drive shaft 77 rotating in a fixed direction and a laterally moving rod 78 for reciprocating left and right movement of the seedling table protrude from both left and right side surfaces of the seedling table driving case 61.

The seedling mounting table 80 is provided so as to be inclined so that the front side is higher, and its upper surface is a seedling mounting surface 80a divided by the number of planting strips by partition walls 81,. I have. The seedling mounting table 80 is supported on the back side of the seedling mounting surfaces 80a,. The supporting structure is a seedling mounting surface 80a,.
Are fixed to a horizontal frame 82 provided in the left and right direction at the lower part on the back side of the rear surface, and the left and right supporting members provided on the planted transmission frame portions 62 are fixed to the engagement sliding contact members. Are slidably engaged with the rail 83 to the left and right, and the base is fixed to the planting transmission frame portions 62,... To provide a seedling mounting support frame 85, which is attached to the upper end of the seedling mounting support frame. The rollers 86 are engaged with U-shaped concave portions of a support frame 87 fixed to the upper rear surface of the seedling mounting surfaces 80a,. Both ends of the horizontal moving bar 78 are attached to mounting members 88, 88 fixed to the lower horizontal frame 82 via connecting members 87, 87. 80 also reciprocates left and right along the support rail 83. At the upper end of each seedling mounting surface 80a,..., An extended seedling mounting portion 89,.

The support rail 83 is provided with the engaging sliding member 8.
And the seedling mounting surface 8
0a,... Are formed integrally with a portion 83b having an L-shaped cross section for receiving the lower end surface of the seedling thereon.
Corresponding to a,..., there are formed seedling division openings 90,... As the seedling mounting table 80 reciprocates left and right, seedlings located at the lower end portions of the seedling mounting surfaces 80a,... Are sequentially supplied to the seedling dividing ports 90,. When the seedlings of the seedling mounting table 80 are separated, the planting tool 162 described later passes through the seedling dividing port 90. In addition,
At the left and right sides of the edge of the seedling dividing port 90, a rubber seedling dividing guide 9 is provided.
1, 91 are attached, and
A guide member 92 made of a metal wire and formed in a shape following the tip trajectory of the planting tool 162 is attached to the front side of the edge portion.

The support rail 83 is provided with the planting transmission frame 6.
Are attached to brackets 106, which are fixed to
By rotating the seedling collecting amount adjusting rod 107 rotatably fitted to the bracket using a seedling collecting amount adjusting lever (not shown), the vertical position of the support rail 83 can be adjusted in parallel with the seedling mounting table 80. It is. Thereby, the implant 162
Can be adjusted.

At the lower part of the seedling mounting table 80, a belt type seedling vertical feeding device 94,.
When all the seedlings in one horizontal row located at the lower end of the seedlings a,... are transferred, the seedlings on the seedling mounting surfaces 80a,. The seedling vertical feeding device 94 is provided with an endless seedling feeding belt 95 having small projections formed on the outer peripheral portion thereof.
And the driven roller 97. A drive arm 98 is attached to a roller drive shaft 96a to which the drive roller 96 is attached via a ratchet mechanism 99. Further, a seedling vertical feed drive arm 100,... Is integrally attached to the seedling vertical feed drive shaft 77, and rollers 101,. When the seedling mounting table 80 reaches the end of the left and right strokes, the drive arm 98 contacts the roller 101 and the roller drive shaft 96
is rotated by a predetermined angle, whereby the seedling feed belt 95 is operated 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 rotating shaft 97 a of the driven roller 97 is pulled by a spring 104 in a direction in which the seedling feed belt 95 is stretched.

At the lower part of each seedling mounting surface 80a, there is provided a seedling holder 110 for preventing the seedlings from floating. The seedling retainer 110 is provided with partition walls 81, 8 on both sides.
6 and supported by supporting members 111a and 111a attached to the supporting columns 111 and 111 so that a seedling holding action state indicated by a solid line in FIG. 6 and a seedling holding non-operation state indicated by a chain line in FIG. Has become. The horizontal rod 112 is rotatably supported by the supporting members 111a, 111a, and the main seedling holding rods 113, 11 are supported by the horizontal rod 112.
Numeral 3 is fixed so that its 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. Further, a short auxiliary seedling holding rod 11 is provided 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, 115a are bent toward the lower end of the seedling mounting surface 80a, and are provided with engaging holes 118a, 118a formed in locking members 118, 118 fixed to the upper surfaces on the lower ends of the partition walls 81, 81.
To be engaged. The left and right ends 115a, 115a of the horizontal bar 115 are engaged with the engagement holes 118a, 118a.
When the seedling presser 110 is engaged with the seedling presser 110, the seedling presser 110 is fixed to the seedling presser operating state. Becomes inactive.

Further, at the lower end of each seedling mounting surface 80a,... Are horizontally provided with resistance bars 119,... Which receive the leaves of the seedling located at the lowest stage and lift the leaves so that the leaves do not hang down. Have been.

In the seedling mounting table 80, the central six sections 80-3 to 80-8 are provided integrally, while the outer two sections 80-1.2 and 80-9. It is provided separately from this, and the outer strip portion is configured to be able to be turned inward and folded. The structure of the folded part is as follows.

The partition walls 81-3 and 81-9 which partition the second outermost line and the innermost line are divided into an inner region 81a and an outer region 81b, and the inner region 81a is divided into a central portion 80a. -3 to 80-7, and the outer part 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 formed higher with respect to the seedling mounting surface 80a than other partition walls. A single rotating shaft 121 is inserted through cylindrical portions 120a, 120b,... Formed at the upper ends of both portions 81a, 81b. , 80-9.10 are turned inward, and the corresponding portion is turned into an inner strip portion 80-3.4, 80-.
It is folded so that it is superimposed on 7.8. The fourth and fifth partition walls 81-4, 81- from the outside
Are fixed to the tops of the posts 111,... Provided on the 5, 81-7, 81-8, and in the folded state, the partition walls 81-1 and 81- of the folded portions are folded.
The tops of the posts 111,... Provided on 2, 81-10, 81-11 engage with the post receivers 122,.

With respect to the arrangement of the cylindrical portion, the cylindrical portion 1
20a and 120b are arranged in three sets of upper and lower parts, and 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 reason. That is, since the L-shaped portion 83a of the support rail 83 has an acute angle in a side view, the outermost end strip portions 80-1 and 80-10 of the seedling mounting table cannot be inverted at the same position. This is for reversing the reversing portions 80-1.2, 80-9.10 in a state where the reversing portions 80-1.2, 80-9.10 are pushed up by the gap S along the inclination of the seedling mounting table in order to avoid interference with the seed portion 83a.

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. 11 and 12).

In FIG. 11, reference numeral 82 denotes the horizontal frame, which is located near the boundary between the central portion 80-3 to 80-7 of the seedling mounting table 80 and the inverted portions 80-1.2, 80-9.10. It is separated into a central portion side 82a and reversal portion sides 82b, 82b. The mounting members 88, 88 are fixed to the left and right ends of the central portion side 82a, and the fixing members 124, 124 are opposed to the mounting members 88, 88 at the inner ends of the reversing portion sides 82b, 82b. It is fixed. A round hole 125 penetrating left and right is formed in the fixing member 124, and a screw hole 126 is formed in the mounting member 88 on an extension of the round hole 125. A fixing rod 127 having a threaded tip is inserted into the round hole 125 of the fixing member 124 from the outside, and the tip screw is screwed into the threaded hole 126 of the mounting member 88 to thereby form the inverted portion 80-1. 2 (or 8
0-9.10) are fixed to the center portions 80-3 to 80-8. A small-diameter portion 127a is formed at an appropriate position of the fixing rod 127, and when the seedling mounting 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, the fixing rod 127 can be pushed in. Reference numeral 129 in the figure denotes a spring for urging the knock pin 128 toward the fixed rod.

In FIG. 12, reference numeral 131 denotes a horizontal pipe provided on the upper rear surface of the seedling mounting table. This horizontal pipe also has a central portion 80-3 to 80-8 of the seedling mounting table 80 and inverted portions 80-1.2, 80.
In the vicinity of the boundary between −9 and 10, the center part 131a and the inversion part 131b are separated. And the central part side 13
A male screw member 132 is fitted on the inner end side of the hollow portion 1a. A fixing rod 134 having a screw hole 133 formed at the distal end is inserted into the horizontal pipe 131 from the outside, and the screw hole 133 is inserted.
Is screwed into the male screw member 132 so that the inverted portion 80-1.2 (or 80-9.10) is
-3 to 80-8. The drop-out prevention mechanism of the fixing rod 134 is the same as that of the fixing rod 127, and the knock pin 137 urged by the spring 136 is fixed to the fixing rod 13.
4 is engaged with the small diameter portion 134a.

When the inverted portion of the seedling mounting table is expanded, the seedling vertical feeding devices 94-1 and 94-2 of the inverted portion, the seedling vertical feeding device 94-3 of the central portion, and the seedling vertical feeding device 94 of the inverted portion.
-9, 94-10 and the seedling vertical feeder 94-8 at the center are interlocked with each other (see FIG. 8). That is,
The roller drive shaft 96a-3 (96a-8) of the seedling vertical feeding device 94-3 (or 94-8) at the center portion has a drive arm 98 attached to its inner end via a ratchet mechanism 99, and has an outer end. Drive clutch body 1 provided with clutch claws
40 are integrally mounted. The drive clutch body 140 includes a roller drive shaft 96a-1.2 of the reversing part.
Driven clutch body 14 attached to (96a-9.10)
1 is biting. Driven clutch body 141
Is a roller drive shaft 96a-1.2 (96a-9.10)
And it is urged in the axial end integrally rotated, and is slidable in the axial direction, the further spring 142. Therefore, when the two clutch members 140 and 141 are connected, the driven clutch member 141 can escape even if the two clutch claws abut each other.
Even if the phases of 40 and 141 do not match, they can be connected without difficulty and quickly become engaged.

The member having the widest width in the right and left direction of the rice transplanter is the support rail 83, so that the support rail 83 can be bent at its end to reduce the overall width. The structure of the bent portion is as shown in FIGS.

That is, the support rail 83 is
The central part 8 at the position near the outside of the
3a and a bent portion 83b, 83b at the end are separated, and both portions 83a, 83b are connected via a core 150. An end of the core member 150 on the center portion side is rotatably attached to the center portion 83a by a support shaft 151, and a pin 152 provided at an end portion on the bent portion side is connected to the support shaft 15.
1 and a long hole 153 rotatably provided on the rotation plate 153.
Is loosely fitted. Further, the central portion 83a and the bent portion 83b are pulled by a spring 154 in a direction to attract each other.

When the support rail 83 is extended, the center portion 83a and the bent portion 83b are aligned by the core material 150, and the two portions 83a and 83b are located on a straight line. At this time, the bent portion 83a is
4, the pin 152 is engaged with the inner end of the elongated hole 153. Rotated from this state, the forward bent portions 83b against the force of the spring 154 slightly overhangs Tsu Ryo引 outwardly and along the bent portion 83a to the slope of Naeno stand 80 around the support shaft 151 is, bent portions 83b is set to be perpendicular to the central portion 83a. This state is stable because the bent portion 83b is pulled inward by the spring 154.

At the lower part of the seedling planting machine 4, floats 170-1 to 170-4 for leveling are provided. Each of the floats 170,... Is attached to the rear end of the float support arm 171,... By a pivot shaft 172, so as to be swingable up and down. When the floats 170,. Can be received at the ground. When the aircraft advances while the float is grounded, the floats
Riding while leveling the mud surface of No. 8. In addition, the transmission frame 6
The rakes 174, 174 for leveling the outermost planting strips PL1, PL10 are integrally attached to the 0 support frame portions 164, 164.

Further, the floats 170-3 and 17 at the center are provided.
Reference numeral 0-4 denotes a sensor float for detecting unevenness of a field scene. Both floats are provided so as to move up and down integrally, and the hydraulic valve 58 is operated in accordance with the up and down movement. That is, when the sensor float moves upward, the hydraulic valve 58 is operated in a direction to extend the hydraulic cylinder 56,
Conversely, when the sensor float moves down, the hydraulic valve 58 is operated in a direction to contract the hydraulic cylinder 56.

The fertilizer applicator 5 includes a fertilizer hopper 190 for common use of fertilizer, a feeder 191 for sequentially feeding fertilizer in the fertilizer hopper 190 downward by rotation of a feed roll (not shown), and a field 191. And a flexible fertilizing hose 193 connecting the feeding device 191,... And the fertilizing hopper 192,. The fertilizer fed from the feeders 191 by the action of the pressurized air fed into the fertilizer hoses 193 is fed into the fertilizer hopper 19.
2, and so on. Among these, the fertilizer hoppers 190,...
Is mounted on a fertilizer application frame 195 provided horizontally on the rear part 45a of the main step.

The lower part of the fertilizer hoses 193 is supported by a fertilizer hose support frame 197 having legs fixed to the planting transmission frame parts 62-2 to 62-4. The fertilizer hose support frame 197 can be housed by inserting the left and right ends 197a, 197a into the main body during transportation or storage.

This rice transplanter is constructed as described above, and various structures are provided for reducing the lateral width of the machine when not working. For example, when loading a rice transplanter on a truck or the like after the seedling planting operation is completed, the lateral width of the machine is reduced in the following order.

First, the inverted portion 80-1 of the seedling mounting table 80
Fold 2,80-9.10 inward. When the inverted portion is folded, the extended seedling placing portions 89,... Of the strips hang downward as shown in FIG. 16, so that the overall height is prevented from becoming too high. Next, the bent portions 83b, 83b of the support rail 83 are bent forward by about 90 degrees along the side surfaces of the seedling mounting table 80. Further, the outermost fertilizer hoses 193 and 193 are connected to the fertilizer hoppers 192 and 192.
Remove from And the seedling planting device 160-
1, 160-10 and a seedling planting device 160-2 inside thereof,
Coupling shaft 163,1 for power-transmitting connection with 160-9
63 is removed from the seedling planting devices 160-2 and 160-9, the support frame portions 64 and 64 of the transmission frame 60 are pulled up and rotated inward, and the outermost line seedling planting device 160-1 is rotated. , 160-10 are stored above the second and third seedling-planting devices from the outside.

The supporting frame portions 64, 64 of the transmission frame 60 are configured to be detachable, so that the seedling planting devices 160-1, 160-10 of the outermost strip are used when transporting or storing the rice transplanter.
The support frame portions 64, 64 may be removed and stored in another place.

[0044]

As described above, the rice transplanter according to the present invention can move the supporting frame portion together with the outermost row of seedling planting equipment to the left and right sides or remove it.
The right and left width of the portion where the planting device of the seedling planting machine is provided can be reduced, and the body width of a multi-row rice planting machine such as a 10-row planting rice planting machine can be effectively narrowed. Transporting and storing rice transplanters has become easier.

[Brief description of the drawings]

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

FIG. 2 is a plan view of the rice transplanter shown in FIG.

FIG. 3 is a transmission system diagram of a traveling vehicle body.

FIG. 4 is a plan view in which a part of a seedling planting machine is omitted.

FIG. 5 is a side view showing a mounting structure of a support frame of the transmission frame.

FIG. 6 is a side sectional view of a lower part of a seedling mounting table.

FIG. 7 is a view as viewed in the direction of the arrow A in FIG. 6;

8 is a view as viewed in the direction of the arrow B in FIG. 6;

FIG. 9 is a view showing a state where the inverted portion of the seedling mounting table is folded.

FIG. 10 is a sectional view of a lower part of a seedling mounting table.

FIG. 11 is a cross-sectional view of an upper connecting portion between a central portion and an inverted portion of the seedling mounting table.

FIG. 12 is a cross-sectional view of a lower connecting portion between a central portion and an inverted portion of the seedling mounting table.

FIG. 13 is a diagram showing an end of a support rail.

14 is a view as viewed in the direction of the arrow A in FIG.

FIG. 15 is a diagram illustrating an end of a support rail in a bent state.

FIG. 16 is a side view of the rice transplanter in the left and right width reduced state.

FIG. 17 is a plan view of the rice transplanter in the left and right width reduced state.

[Explanation of symbols]

REFERENCE SIGNS LIST 1 rice transplanter 2 traveling vehicle body 3 elevating link device 4 seedling planting work machine 5 fertilizer application device 60 transmission frame 62 planting transmission frame portion 64 support frame portion 72 chain (transmission means) 80 seedling stand 160 seedling planting device 170 float

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) A01C 11/02

Claims (1)

(57) [Claims] 1. A transmission frame for supporting a plurality of seedling planting devices arranged in parallel on the left and right and transmitting power to the seedling planting plant, except for a seedling planting plant on the outermost side except for a seedling plant inside thereof. A planting transmission frame portion supporting the planting device on the left and right sides in pairs, and a supporting frame portion supporting the outermost row of the planting device, are supported by the planting transmission frame portion. Power is transmitted to the inner seedling-planting device via a transmission means provided in the planting transmission frame, and the outermost-row seedling-planting device supported by the support frame portion is used for planting the inner seedling. In conjunction with the device, further, the support frame portion is movable left and right inward or detachable,
A rice transplanter characterized in that the outermost row seedling planting apparatus and the inner side seedling planting apparatus can be separated.