JPH10150807A - Riding type rice transplanter with fertilizer application device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To dissolve problems that a fertilizer application device is required to be moved after performing the releasing operation of fixation by a fixing tool at the time of moving the fertilizer application device to a traveling car body, the releasing operation of the fixing tool is troublesome and the releasing operation of the fixing tool is forgotten. SOLUTION: For this rice transplanter, a rice transplanting device is mounted to the rear part of the traveling car body provided with a maneuvering seat, the fertilizer application device 1 is provided on the rear part of the traveling car body and on the front part of the rice transplanting device and the fertilizer application device 1 is provided with a fertilizer tank 31 and a delivery part 32 for delivering a fertilizer stored inside the fertilizer tank. The fertilizer application device 1 is provided movably to the traveling car body and the fixing tool for fixing the position of the fertilizer application device 1 is provided. In this case, when a holding part 92 provided on the fertilizer application device 1 is operated in the moving direction of the fertilizer application device 1, the fixation of the position of the fertilizer application device 1 by the fixing tools 93 and 94 is released.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a riding type rice transplanter equipped with a fertilizer application device.

[0002]

2. Description of the Related Art Conventionally, there is a rice transplanter equipped with a riding type fertilizer which has a structure in which a rice transplanter is mounted on a rear part of a traveling vehicle body and a fertilizer is provided in front of the rice transplanter at a rear part of the traveling vehicle body.

[0003]

Conventionally, a riding type rice transplanter in which a heavy rice transplanter is mounted at the rear of a traveling vehicle body,
Since there is a problem that the weight balance in the front-rear direction is closer to the rear side, it is desirable that the rice transplanting apparatus be configured as close as possible to the traveling vehicle body in order to improve the weight balance in the front-rear direction. In addition, the cockpit provided on the traveling vehicle body needs to be provided with an operating tool such as a steering wheel in front, so that the position in the front-rear direction is limited. Further, in order to reduce the unplanted area such as on the ridge of a field, it is preferable to shorten the front-rear length of the riding type rice transplanter, and thus it is necessary to shorten the front-rear length of the traveling vehicle body.

Therefore, it is necessary to reduce the distance between the fertilizer device provided at the rear of the traveling vehicle body and the cockpit. However, when the fertilizer device is close to the cockpit,
It is difficult to maintain the fertilizer and to remove the fertilizer from the fertilizer tank or the feeding part of the fertilizer. Therefore,
When performing the maintenance of the fertilizer and the work of removing the fertilizer from the fertilizer tank or the feeding part of the fertilizer, the fertilizer is moved with respect to the traveling vehicle body away from the cockpit and the position of the fertilizer is fixed by the fixture. Configurations have been tried.

However, when moving the fertilizer applicator relative to the traveling vehicle body, it is necessary to release the fixation by the fixing tool and then move the fertilizer applicator. Sometimes the operator forgets to release the fastener.

[0006]

The present invention takes the following technical means to solve the above-mentioned problems. That is, a rice transplanting device 4 is attached to the rear of the traveling vehicle body 3 having the cockpit 11, and a fertilizer 1 is provided at the rear of the traveling vehicle 3 in front of the rice transplanter 4.
1 and a feeding part 32 for feeding out the fertilizer stored in the fertilizer tank, a rice transplanter with a riding type fertilizer is provided. Fixtures 93, 93, 94, 94 for fixing the position of the fertilizer applicator 1 and operating the gripper 92 provided on the fertilizer applicator 1 in the direction of movement of the fertilizer applicator 1. A rice transplanter with a riding type fertilizer was provided so that the fixation of the position of the fertilizer 1 by the 93, 94, 94 was released.

[0007]

The rice transplanter equipped with the riding type fertilizer according to the present invention performs the rice transplanting work while running the body by the rice transplanter mounted on the rear part of the traveling vehicle body provided with the cockpit and the fertilizer application provided on the rear part of the traveling vehicle body. The fertilizer stored in the fertilizer tank by the device is sprayed to the field via the feeding unit. Also, when performing maintenance of the fertilizer and after removing the fertilizer remaining in the fertilizer tank and the feeding part of the fertilizer, for example, after the work is completed, the operator operates the gripper in the moving direction of the fertilizer to fix the fixture. And the position of the fertilizer is released, and the fertilizer is moved with respect to the traveling vehicle body, so that the fertilizer is maintained or the fertilizer remaining in the fertilizer tank and the feeding portion of the fertilizer is taken out.

[0008]

Accordingly, by operating the gripping part in the moving direction of the fertilizer applicator, the fixing of the position of the fertilizer apparatus by the fixture is released, and the fertilizer apparatus moves relative to the traveling vehicle body. On the other hand, when the fertilizer is moved, it is not necessary to perform an operation for releasing the fixation by the fixing tool, and the operability in moving the fertilizer applicator is improved.

[0009]

An embodiment of the present invention will be described with reference to the drawings. FIG. 1 shows a rice transplanter 2 with a riding-type fertilizer applied to the riding-type rice transplanter, which is equipped with a fertilizer 1 for spraying granular fertilizer on a field. This rice transplanter 2 with a riding type fertilizer is
It is mainly composed of the fertilizer application device 1, the traveling vehicle body 3, and the four-row rice planting device 4.

An engine 5 as a drive source is provided at substantially the center of the traveling body 3 in the front, rear, left and right directions, and the front wheels 7, 7 and the rear wheels 8, 8 are driven by the power from the engine 5 via the main transmission case 6. Then, the traveling vehicle body 3 travels. A front cover 9 and a rear cover 10 serving as work steps covering the upper part of the engine 5 and the main transmission case 6 are provided. A cockpit 11 is provided above the rear cover 10, and a steering handle 12 is provided in front of the cockpit 11. As shown in FIG. 3, the rear cover 10 has four front, rear, right and left fitting portions 15, 15, 16, 16 for fitting frame pipes 13, 14 extending left and right provided in front and rear of the traveling vehicle body 3. And four fittings 15a, 15a, 16a, and 16 provided on the traveling vehicle body in a state where the fitting portions 15, 15, 16, 16 are fitted to the frame pipes 13, 14, respectively. It is configured to be fixed to the traveling vehicle body 3 by 16a. As shown in FIG. 4, the rear cover 10 releases the front two fixing parts 15a, 15a and releases the rear two fixing parts 16a, 16a.
With the frame frame 16a fixed, the rear frame pipe 14 is pivoted upward about the pivot center to lock the hook 17 attached to the bottom surface of the rear cover 10 to the steering handle 12, thereby opening the frame. Can be fixed in position.

The rice transplanting device 4 is mounted on the rear portion of the traveling vehicle body 3 via a link mechanism 18. The rice transplanting device 4 is provided so as to move up and down by expansion and contraction of a hydraulic lifting cylinder 19. In addition, the rice transplanting device 4 uses the power from the main mission case 6 as a counter case 20.
, And is operated by being transmitted by the planting transmission shaft 21 via the. A planting clutch for turning on and off the driving of the rice transplanting device 4 is provided in the main transmission case 6.

A notch 10a is provided at the center of the rear of the rear cover 10 of the traveling vehicle body 3 in the left and right direction.
Is provided with a descending restraint lever 22 for restraining the rice transplanting device 4 from descending. When the operator operates the descending restraint lever 22 from the cockpit 11, the hydraulic lifting cylinder 1
The lowering of the rice transplanting device 4 by the operation of 9 can be suppressed.

The rice transplanting device 4 mainly includes a seedling mounting table 23, a planting transmission unit 24, and four planting mechanisms 25. The planting transmission unit 24 to which the power of the planting transmission shaft 21 is input is connected. The operation of the planting mechanisms 25. In the lower part of the rice transplanting apparatus 4, a center float 26 is provided at a central portion and side floats 27, 27 are provided at both sides, so that the rice can be slid on a field scene. When the planting mechanism 25 is operated, the planting transmission
The seedling mounting table 23 is moved left and right by the power from 4, and the mat-shaped seedlings are scraped off by the planting mechanism 25 one by one. The seedling mounting table 23 has a known configuration in which mat-shaped seedlings are sequentially transferred to the planting mechanism side along the seedling mounting table 23 at the end of the left and right movement.

A spare seedling mounting table 28,
An operator 28 supplies the seedlings on the spare seedling mounting table to the rice transplanting device 4. An auxiliary step 29 is provided on the left and right sides of the rear cover 10 of the traveling body 3.
29 are provided. When the worker steps on these auxiliary steps 29, 29, the spare seedling mounting tables 28, 2
The operation of replenishing the seedlings No. 8 to the left and right outermost portions of the seedling mounting table 23 of the rice transplanting device 4 is easily performed.

The fertilizer applicator 1 includes a cockpit 1 of a traveling vehicle body 3.
1 is provided immediately behind. The fertilizer applicator 1 includes a fertilizer tank 31 for storing granular fertilizer to be sprayed on a field, a feeding section 32 for each strip, a guide pipe 34 for each strip for guiding the transfer of fertilizer, and a guide pipe 34. And an air chamber 35 for supplying compressed air. The fertilizer tank 31
Roller 32a of the feeding section 32 for each section provided below
Are rotated, so that the fertilizer is supplied to the guide tubes 34 through the outlets 33 of each strip at predetermined intervals.

The granular fertilizer supplied to the guide pipes 34 is spread by the pressurized air from the air chamber 35 through the guide pipes 34, the transfer pipes 36, and the fertilizer provided at the end of the transfer pipes. It is conveyed to the mouth 37 and sprayed on the field. The transfer pipes 36 are constituted by flexible tubes. The fertilizer spray port 37 is provided with a groove generator 37a, and the groove generator 37a is connected to the transfer pipe 36 by a boot 38 so that fertilizer is supplied to the side of each line at the seedling planting position. Floats 26 and 2
7, 27. A groove forming protrusion 37b is provided on the front side of the groove forming device 37a, and the groove forming protrusion 37b presses and separates the mud in the field in the horizontal direction and the downward direction as the body advances, and forms the groove. Fertilizer is supplied inside. The covering body 39 for covering the groove of the groove generator 37a has floats 26, 2 similarly to the groove generator 37a.
7, 27. Therefore, the rice transplanter 2 with the riding type fertilizer is configured to spray the fertilizer into the field as the rice transplanter 2 travels in the field to transplant the seedlings into the field.

The fertilizer applicator 1 has a feeding part case 32b constituting the feeding part 32 and the guide tube 34 fixed to a mounting base welded to the air chamber 35 by bolts. Are attached by fixed hooks 41 provided before and after the extension case 32b. Therefore, the air chamber 35, the fertilizer tank 31, the feeding section 32, and the guide pipes 34 are integrated.

The driving structure of the feeding portions 32 will be described. The fertilizing rod 43 connected to the counter driving arm 42 which is driven to rotate by the power from the counter case 20 moves up and down. Fertilizer drive arm 4
4 is driven and the fertilizer drive shaft 45 is driven. A one-way clutch 46 is provided between the fertilizer drive shaft 45 and the fertilizer drive arm 44, and the fertilizer drive shaft 45 is moved in a certain direction (in a right side view) with the upward movement of the fertilizer rod 43. turn right)
It is designed to rotate. The drive pulleys 47, 4 for every two rows that rotate integrally with the drive shaft 45 are provided on the fertilizer drive shaft 45.
And driven pulleys 50, 5 driven by the transmission of belts 49, 49 via idle pulleys 48, 48 which idle from the pulleys 47, 47 with respect to the opening adjustment shaft 56.
Are driven together with the feed shaft 53, which rotates integrally with the feed shaft 5.
3 through the fertilizing clutch 51 ...
Are driven and rotated.

Next, the configuration of the feeding section 32 will be described. On the outer peripheral surface of the feeding roller 32a of the feeding portion 32, feeding grooves 52 are provided at a predetermined angle in the rotation direction, and granular fertilizer dropped and supplied from the fertilizer tank 31 is stored in the feeding grooves 52. By rotating the roller 32a, the fertilizer is fed to the feeding port 33. On the opposite side of the fertilizer application clutch 51, there is provided a gear rotating shaft 54 fitted on a feeding shaft 53 that rotates integrally with the driven pulley 50 and a gear 55 which is a screw pair. The gear 55 is an opening adjusting shaft. It meshes with 56 small gears 57. A plurality of projections 59 projecting from the adjusting wheel 58 provided on the gear 55 and fitted into the feeding grooves 52 are movable in the feeding groove direction by the rotation of the gear 55, so that the effective length of the feeding grooves 52 is increased. Change the
The amount of fertilizer is adjusted. Therefore, the feed amount can be adjusted by rotating the opening adjustment shaft 56 with the opening adjustment handle 60 provided on the right side of the machine body to thereby set the small gear 57
Are rotated and adjusted.

A brush 61 is provided on the front side of the feed roller 32a so as to come into contact with the outer peripheral surface of the roller 32a, so that the fertilizer overflowing from the feed grooves 52 is scraped off. The base of the brush 61 is fastened and fixed to a slide member 64 slidable in the front-rear direction by a rail portion 63 with respect to a feed portion case 32b by a bolt 62. Therefore, the brush 61 is provided so as to be able to retreat from the outer peripheral surface of the feeding roller 32a by sliding the slide member 64 back and forth. When the rotating plate 65 is rotated upward and fixed by the fixing hook 66, the sliding member 64 cannot slide forward due to the contact of the rotating plate 65, and comes into contact with the outer peripheral surface of the feeding roller 32a. To be fixed.

The fertilizer applicator 1 is provided with a blower 67 on the left side of the fuselage. The blower 67 is driven by a battery 40 disposed at the front of the traveling vehicle body 3 as a drive source. The discharge port 67a of the blower 67 and one end of the air chamber 35 are connected. Thereby, the air chamber 35 extending in the lateral direction of the airframe supplies pressurized air from the blower 67 to the guide pipes 34 and the transfer pipes 36 of each strip.

In addition, on the front side of the feeding roller 32a,
An outlet 68 is provided for taking out and collecting the granular fertilizer remaining in the fertilizer tank 31 and the feeding section 32 after the work is completed. The outlet 68 is configured to open and close by rotating the rotary plate 65 provided rotatably around a rotation fulcrum 65a. Therefore, after the operation is completed, the rotation plate 65 is rotated downward while the driving of the feeding roller 32a is stopped to open the outlet 68, and the rotation plate 6 is rotated.
When the engaging portion 65b for fixing the open position of the fifth member 5 is fitted to the engaging shaft 69 and fixed at the open position, the guide plate 70 integrated with the rotating plate 65 is provided.
Comes into contact with the feeding roller 32a. And the brush 6
When 1 is slid forward with respect to the feeding portion case 32b and pulled out, the fertilizer tank 31 and the granular fertilizer above the feeding roller 32a, whose fall has been regulated by the brush 61, are guided by the guide plate 70. The fertilizer can be removed by dropping on the rotating plate. The rotating plate 65 has a U-shape, and is configured such that the granular fertilizer collected from the outlet 68 is hardly spilled in the left-right direction.

As shown in FIGS. 5 and 6, the fertilizer applicator 1 has L-shaped plates 81, 8 fixed to the traveling vehicle body side when viewed from the rear.
Plates 82, 82 each having an inverted U shape welded to the air chamber 35 in the rear view fit into the air chamber 35, and are supported by the traveling vehicle body 3 so as not to shift in the left-right direction. The L-shaped plates 81, 81 viewed from the rear side are welded to upper ends of upper and lower frame portions 84, 84 fixed to the left and right rear frames 83, 83 of the traveling vehicle body 3, respectively. Are welded to both ends of a left and right frame 85 extending to the right. Also, upper links 86, left and right having pivot points 86a, 87a at the upper and lower frame portions 84, 84, respectively.
A link mechanism 88 for moving the fertilizer device, which is composed of an upper link 86 and a lower link 87, 87, is provided. The front ends of the lower links 87, 87 are pivotally attached to U-shaped U-shaped plates 89, 89, respectively.
Plates 90, 90 which are welded to 5, respectively, are pivotally connected. Accordingly, the rotation of the fertilizer application moving link mechanism 88 causes the air chamber 35, the fertilizer tank 31, the feeding portion 32, and the guide pipe 34 of the fertilizer application device 1 to move rearward and upward integrally with the traveling vehicle body 3. It has a possible configuration.
The transfer pipes 36 do not need to be removed in the rearward and upward movement of the fertilizer application device 1 so that the fertilizer application ports 37.
The length up to is set. At the other ends of the lower links 87, 87 on the fertilizer application mounting side, rear upper moving springs 91, 91 are provided, respectively. The rear upper moving springs 91, 91 are attached in the direction in which the fertilizer applicator 1 moves rearward and upward. It is being rushed. After this, the springs 91 for upward movement 91, 91
When the fertilizer applicator 1 is moved rearward and upward,
To reduce the load of the worker lifting the fertilizer application device 1. A gripper 92 is provided between the two central feeding portions 32, 32 so that the gripper 92 can be operated from the traveling vehicle body side. Has become.

The fertilizing rod 43 for driving the feeding portions 32 of the fertilizer applicator 1 is constituted by an upper rod 43a and a lower rod 43b, and the inside of a cylindrical portion 43c fixed to the lower rod 43b is moved upward by the upper rod 43a. The rod 43a is expanded and contracted by sliding. The fertilizing rod 43 is pushed up by the rod end of the upper rod 43a coming into contact with the rod end of the lower rod 43b with the upward movement of the lower rod 43b driven by the counter driving arm 42. Thus, the fertilizer driving arm 44
Are moved upward to drive the feeding portions 32,. Further, a fertilizing rod spring 43d for urging the upper rod 43a and the lower rod 43b to be attracted is provided inside the cylindrical portion 43c.
The fertilizing rod spring 43d is provided on the lower side of the transmission of the fertilizing driving arm 44 so that the amount of the granular fertilizer that is fed out of the feeding portions 32,... One-way clutch 4
6 is set so as not to shrink against the rotational resistance on the side where the transmission of No. 6 is cut off (the leftward rotation direction of the fertilizing drive arm 44 in a right side view). In other words, the fertilizing rod 43 has a rod length in a state where the upper rod 43a and the lower rod 43b are in contact with each other during the normal fertilizing operation. The distance between the rod 43a and the lower rod 43b increases, and the rod length increases.

Further, fixing arms for fixing the position of the fertilizer applicator 1 at the lower front position and the upper rear position are fixed.
Frames 93, 93, 94, 94 comprise upper and lower frame portions 84, 84.
Are provided on the outside. This fixing arm 9
Arms 9, 93, 94, 94 are attached to rear inverted U-shaped plates 82, 82 fixed to the air chamber 35.
3, 93, 94, 94 are provided with left and right pivot shafts 95, 95, respectively. The notches 93a, 93a of the lower front position fixing arms 93, 93 and the upper rear position fixing arms 94, 93 are provided. 9
The upper and lower frame portions 84, 8 are formed in the notch portions 94a, 94a of FIG.
The fixing pins 96, 96 provided on the left and right of the four respectively engage with each other, and the fertilizer application device 1 is fixed.
Note that these fixing arms 9 are attached to the rotating shafts 95, 95.
3,93,94,94 said notches 93a, 93a,
Fixing arms 93, 93, 94, 94 so that 94a, 94a engage with the fixing pins 96, 96, respectively.
Springs 93b, 93b, 94 for biasing the rotation
b, 94b are provided.

U-shaped plates 92a, 92a are fixed to both right and left ends of the gripping portion 92 of the fertilizer applicator 1, and the gripping portion 92 is fitted into the U-shaped plates 92a, 92a. It is provided so as to be rotatable around a rotation shaft 92b. When the gripper 92 is operated upward (backward upward) while the fertilizer applicator 1 is fixed at the lower front position, the protrusions 93c, 93c of the lower front position fixing arms 93, 93 are operated.
The notches 93a, 93 of the lower front position fixing arms 93, 93 are formed by the U-shaped plates 92a, 92a in contact with
The lower front position fixing arms 93, 93 are rotated so that a moves rearward from the fixing pins 96, 96, and the fertilizing device 1 is moved rearward and upward by the fertilizing device moving link mechanism 88. Movement becomes possible. On the other hand, the U-shaped plate 9
Long holes 9 of links 97, 97 pivotally attached to 2a, 92a
7a, 97a are provided with pins 94c, 94c fixed to the rear upper position fixing arms 94, 94, respectively. The gripper 92 is fixed when the fertilizer applicator 1 is moved and fixed at the rear upper position. Is operated downward (frontward and downward), the notches 94a, 94a of the rear upper position fixing arms 94, 94 move rearward from the fixing pins 96, 96 by the links 97, 97. Arm 9 for fixing the rear upper position
The rotation of the fertilizer application device 1 enables the fertilizer application device 1 to move forward and downward. Note that the range of rotation of the gripper 92 with respect to the fertilizer application device 1 is regulated. The rotation range h is defined by the U (upper rear direction)
U-shaped plate 8 having an inverted U-shape when viewed from the rear, which is pivotally attached to the front ends of the U-shaped plates 92a, 92a and the upper links 86, 86.
9 and 89 to a position where the gripping portions 92 and 92 contact the air chamber 35 in the downward direction (front lower direction).

Therefore, when the fertilizer applicator 1 is moved from the lower front position to the upper rear position, for example, after the work is completed, the operator operates the gripping portion 92 in the upward direction (upward in the rear direction). Notch 9 of arm 93 for fixing front lower position
The engagement between the fixing pins 3a, 93a and the fixing pins 96, 96 is released, and the fertilizer applicator 1 is moved to the rear upper position while biasing the rear upper moving springs 91, 91 to fix the rear upper position fixing arm. The fertilizer 1 is fixed at the rear upper position by engaging the fixing pins 96, 96 with the notches 94a, 94a of the programs 94, 94. On the other hand, when the fertilizer applicator 1 is moved from the upper rear position to the lower front position to perform a normal fertilizer application operation, the operator operates the gripping portion 92 in a downward direction (front lower direction), thereby causing the rear fertilizer device 1 to move downward. Arms 94 for fixing the upper position
The engagement between the notches 94a, 94a and the fixing pins 96, 96 is released and the fertilizer applicator 1 is moved to the lower front position, and the notches 93 of the lower front position fixing arms 93, 93 are removed.
The fertilizer 1 is fixed at the front lower position by engaging the fixing pins 96, 96 with the a, 93a and the rear upper moving springs 91, 91 so that the fertilizer 1 does not move to the upper rear position. At this time, L provided on both ends of the left and right frames 85
Inverted U-shaped plate 8 on the rear side of the mold plate 81
2 and 82 are placed and the fertilizer application device 1 is supported. In addition, since the fertilizing rod 43 is configured to be expandable and contractible, it is not necessary to remove one end of the fertilizing rod 43 when moving the fertilizing device 1 rearward and upward, and the fertilizing device 1 can be moved rearward and upward. The trouble of moving work can be saved.

Therefore, when removing the fertilizer remaining in the fertilizer tank 31 and the feeding section 32 after the work is finished, the fertilizer tank 31 and the feeding section 32 are moved by the fertilizer application moving link mechanism 87 while the operator is on the machine. Is moved rearward and upward with respect to the traveling vehicle body 3, and the cockpit 11 and the fertilizer applicator 1 are separated in the front-rear direction. The fertilizer tank 31 and the feeding portion 32 are provided from the provided outlets 68.
In the operation to remove the remaining granular fertilizer in the cockpit 1
1 is not in the way and can be easily operated from the cockpit side. When the fertilizer applicator 1 is moved, the gripper 92 is operated in the moving direction of the fertilizer applicator 1 so that the fixing arms 93, 9 are fixed.
Since the fixing of the position of the fertilizer applicator 1 is released and the fertilizer applicator 1 can be moved with respect to the traveling vehicle body 3, the fixing arms 93, 93, 9 can be moved.
The operation of rotating the fertilizer applicator 1 does not need to be performed specifically for the operation of rotating the fertilizer applicator 1, and the operability in moving the fertilizer applicator 1 is improved.

The traveling body 3 is provided with the rear cover 1 that covers the engine 5 and the main transmission case 6.
0 is rotated upward with the rear frame pipe 14 as the center of rotation so as to be in the open position, so that maintenance of the engine 5, the main transmission case 6 and its surroundings can be performed from above. Has become. When the rear cover 10 rotates upward, the fertilizer applicator 1 rotates the cover.
10 so that it does not interfere with the
7, the fertilizer applicator 1 can be moved backward.
When removing the rear cover 10 from the traveling vehicle body 3, the fertilizer applicator 1 is moved rearward by the fertilizer applicator link mechanism 88 so as to retract from above the rear cover 10. Removal can be facilitated.

The front end of the notch 10a at the center of the rear of the rear cover 10 is provided at the front end thereof.
0b is provided. By covering the notch 10a with the sheet 10b, the feeding portion 3 of the fertilizer is provided.
When removing the particulate fertilizer remaining in the fertilizer tank 31 and the feeding section 32 from the outlet 68 provided on the front side of the second fertilizer, the granular fertilizer falls from the outlet 68 into the notch 10a. Therefore, it is possible to prevent rust from being generated on the descending restraint lever 22, the link mechanism 18, and the peripheral members due to the attachment of the granular fertilizer.

In this embodiment, the fertilizer for granular fertilizer has been described in detail, but the present invention can also be applied to a fertilizer for liquid fertilizer. In this embodiment, the rice transplanter with the riding type fertilizer applied to the four-row planting is described in detail, but the present invention is not limited to the four-row planting.

[Brief description of the drawings]

FIG. 1 is a side view of a rice transplanter with a riding type fertilizer application device.

FIG. 2 is a plan view of a rice transplanter with a riding type fertilizer.

FIG. 3 is a side view showing a rear cover.

FIG. 4 is a side view of the traveling vehicle body showing a state where a rear cover is opened.

FIG. 5 is a partial side sectional view of the fertilizer application device.

FIG. 6 is a rear view of the fertilizer application device.

FIG. 7 is a rear cross-sectional view of the feeding portion.

FIG. 8 is a side view showing a state where the fertilizer applicator has been moved to a rear upper position.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Fertilizer application apparatus, 2 ... Rice transplanter with riding type fertilizer apparatus, 3 ... Running body, 4 ... Rice transplanter, 11 ... Cockpit, 31 ... Fertilizer tank, 32 ... Feeding part, 92 ... Gripping part, 93, 93 ... Front Arm for fixing lower position, 94, 94 ... Arm for fixing rear upper position,

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Tetsu Kato 1st Hachikura, Tobe-cho, Toyo-cho, Iyo-gun, Ehime Prefecture Iseki Agricultural Machinery Co., Ltd. Within the department (72) Inventor Majo Tanimoto 1 Yakura, Tobe-cho, Iyo-gun, Ehime Prefecture, Iseki Agricultural Machinery Co., Ltd. Inventor Hiroyuki Niiyama 1 Hachikura, Tobe-cho, Iyo-gun, Ehime Prefecture Iseki Agricultural Machinery Co., Ltd.

Claims (1)

[Claims] 1. A rice transplanting device 4 is mounted on a rear portion of a traveling vehicle body 3 having a cockpit 11. A fertilizer device 1 is provided at a rear portion of the traveling vehicle body 3 and in front of the rice transplanting device 4. In a rice transplanter with a riding type fertilizer that is provided with a fertilizer tank 31 and a feeder 32 that feeds out the fertilizer stored in the fertilizer tank, the fertilizer applicator 1 is movable with respect to the traveling vehicle body 3. Fixtures 93, 93, 94, 9 for fixing the position of the fertilizer application device 1
4 is provided, and a gripper 92 provided in the fertilizer application device 1 is provided.
Is operated in the direction of movement of the fertilizer applicator 1, the fixtures 93,
A rice transplanter with a riding-type fertilizer that is provided so that the fixation of the position of the fertilizer 1 by the 93, 94, 94 is released.