JPH0521527B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a riding-type rice transplanter with a fertilization device.

[Prior art]

Conventionally, as shown in Japanese Patent Application Laid-Open No. 54-54812,
Some walk-behind rice transplanters stop fertilization by intermittent planting clutches for each row.

[Problem to be solved by the invention]

However, in the conventional example mentioned above, fertilization is stopped when planting each row is stopped.
The structure was very complicated, resulting in poor productivity, and since it had to be operated for each row, when used in a riding type rice transplanter for planting four or more rows, the work efficiency was poor and it could not be commercialized. .

[Means to solve the problem]

This invention has taken the following technical measures for the purpose of solving the problems of the above-mentioned conventional example.

That is, in a riding-type rice transplanter with a fertilization device in which the rice transplantation device 7 and the fertilization device 33 are installed behind the control seat 5 installed on the traveling vehicle body 1, the seedling planting devices 10 of the rice transplantation device 7 are arranged in a plurality of groups. The operation device 40a... which controls the operation of the fertilizing device 33 intermittently and stops the fertilization of the fertilizing device 33 corresponding to the seedling planting device 10 of the group to be stopped by the intermittent operation is operated. This is a riding type rice transplanter with a fertilization device, which is characterized in that it is provided in front of the tank 34 and the seedling planting device 10 and behind the control seat 5.

[Function and effect of the invention]

The present invention divides the seedling planting devices 10 of the rice transplanting device 7 into a plurality of groups and separately operates the driving of the seedling planting devices 10 intermittently, and corresponds to the groups of seedling planting devices 10 that are stopped by the intermittent operation. Since it is provided with the operating device 40a for stopping the fertilization of the fertilization device 33, it is a riding-type rice transplanter for multi-row planting, but its workability is very good and the conventional problems can be solved. However, the operating device 40a... is connected to the fertilizer tank 34 of the fertilizing device 33 and the seedling planting device 1.
0 and behind the operator's seat 5, the operator does not have to stand from the operator's seat 5 when operating the operating device 40a, and the fertilizer tank 34 is It does not get in the way and has good operability, and furthermore, since each part of the rice transplanting device 7 and the fertilizing device 33 can be checked at the same time during operation, the work efficiency is also very good.

〔Example〕

An embodiment of the present invention will be described in detail based on the drawings.

Reference numeral 1 denotes a running vehicle body, which has a pair of left and right front wheels 2, 2 and a pair of left and right rear wheels 3, 3 at the bottom, and an engine (not shown) covered with a bonnet 4 at the upper front part. A control seat 5 is provided behind the engine, and a control handle 6 is provided between the engine and the seat 5.

Reference numeral 7 denotes a rice transplanting device, in which a seedling tank 9 is mounted on the top of a planting frame 8 which also serves as a rice planting case, and the seedling tank 9 is moved back and forth from side to side with the front side facing upward, and the rear end of the seedling tank 9. Seedling tank on the side 9
The device is comprised of a seedling planting device 10 that divides and plants seedlings placed on the soil into individual plants, and a soil leveling float 11 that is attached to the lower part of the frame 8 and levels the soil surface.

The planting portion frame 8 has branch portions 8a, 8b, 8c whose rear portions extend rearward at predetermined left-right intervals and to which a seedling planting device is attached.
is provided.

The seedling planting device 10 is disposed at each branch of the planting section frame 8, and has a seedling dividing claw 12 attached to the front end, and a swing arm 13 and a crank 15 at the rear end and the front and rear intermediate parts, respectively. The seedling dividing claw 12 is attached to the planting part frame 8 by means of a crank 15, and is configured such that the seedling dividing claw 12 draws an upward and downward approximately elliptical movement locus when the crank 15 is rotated.

Reference numeral 16 denotes a shaft that simultaneously rotates the cranks 15, 15 of the pair of left and right seedling planting devices 10, 10, and is rotatably mounted in each branch section 8a, 8b, 8c of the planting section frame 8. A sprocket 1 is located between the left and right sides of the shaft 16 and is rotated by a chain 17.
8 is rotatably provided.

Reference numeral 19 denotes a clutch, which has a driving pawl a on one side of the sprocket 18, a driven pawl b on the sprocket 18 side of a clutch piece 20, which is wedged on the shaft 16 and movable in the axial direction, and a spring. 21, it is configured to be resiliently held so as to always be pressed toward the sprocket side, and to engage with the driving pawl a and the driven pawl b. A spiral cam surface 20a is formed on the outer peripheral surface of the clutch piece 20, and by bringing the clutch pin 22 into contact with this cam surface 20a, the driven pawl b is moved from the driving pawl a against the spring 21. It is configured to leave. The clutch pin 22 is slidably provided on the planting section frame 8, and is configured to be kept away from the cam surface 20a by a spring 23 at all times, and configured to be pushed into contact with the cam surface 20a by a lever 24. There is.

Reference numeral 25 denotes a lifting device in which the bases of an upper link 26 and a lower link 27 are attached to the rear end of the traveling vehicle body 1 via a bracket 28, and the rear ends of both links are connected by a hitch frame 29. Link 2
A hydraulic cylinder device 30 is provided between the vehicle body 6 and the traveling vehicle body 1.
It is an intervening one.

The rice transplanting device 7 is mounted on the hitch frame 29 via a rotating shaft 31 so as to be able to roll freely. In addition, an intermediate shaft is attached to the hitch frame 29 and is rotated by transmission from the engine on the traveling vehicle body 1 side through an appropriate transmission part, and the power is transmitted from this to the transmission case part on the rice transplanting device 10 side. has been done. 32 is the transmission belt.

Reference numeral 33 denotes a fertilizer application device, which includes a fertilizer tank 34 attached to the side of the traveling vehicle body 1, a feeding device 35 provided at the bottom of the fertilizer tank 34, and a feeding device 35 that allows the fed fertilizer to flow down to the vicinity of the top of the soil leveling float 11 of the rice transplanting device 10. A fertilizer applicator consisting of a guiding hose 36, a furrower 37a whose lower part is submerged in the soil to create a groove at a constant depth, and a pipe 37b attached to the furrower 37a to apply fertilizer into the groove. It consists of 37.

The fertilizing device 33... is the seedling planting device 1.
One fertilizing device 33 is provided for two adjacent seedling planting devices among the seedling planting devices, and the fertilizer applicator 37 is disposed between the seedling planting rows.

The feeding device 35 has a grooved rotary roll 35a that is transmitted and rotated, and can move along the axial direction of the roll rotation shaft on the upper surface of the rotary roll 35a to open or cover the upper surface of the roll. It consists of a shutter 38 with a semicircular cross section that allows for
This shutter 38 is provided so that it can be freely moved by a lever 39 provided outside the hopper, and is provided so that when the shutter 38 is pushed in, feeding of the fertilizer is stopped.

40a, 40b... are clutch levers that turn on and off the clutches 19... of the seedling planting device 10..., among which, 40a is connected to the clutch 19 in the branched frame 8a on the left side by a wire 41a, and 40b is connected to the clutch 19 in the branched frame 8a on the left side. is the clutch 1 in the central frame 8b.
9 by the same wire 41b, and is configured so that each clutch 19 can be turned on and off individually.

43a, 43b... are the shutters 38... of each of the fertilizer application devices 33... and the clutch levers 40a, 40.
b... are connected to each other by wires that connect them separately, so that when the left clutch 19 is disconnected, fertilization on the left side is stopped, and when the center clutch 19 is disconnected, the corresponding fertilization on the center is stopped. .

In addition, in the figure, 45 is a preliminary seedling mounting table, which is attached to the traveling vehicle body 1.
A rotary link 46 on the side and a rotatable telescopic link 47 which is rotatable and extendable are provided at the rear of the pilot seat 5. And this spare seedling mounting table 4
The fertilizer tanks 34 of the fertilizer applicators 33 are arranged in the lower space of the fertilizer application device 5.

In the configuration of the above example, after placing the seedlings in the seedling tank 9 and filling each fertilizer tank 34 of the fertilization device with fertilizer, the rice transplanting device 7 is lowered to bring the soil leveling float 11 into contact with the soil surface. , the rice transplanting device 7 is towed by the traveling vehicle body 1, and the rotating parts are rotated by transmission.

Then, the seedling planting device 10 divides the seedlings into individual plants from the seedling tank 9, which moves horizontally and reciprocally, and plants the seedlings on the soil leveled by the lateral protrusions of the soil leveling floats 11. Further, at the same time as the seedling planting operation, the feeding devices 35 of the fertilizing devices 33 are operated, and the fertilizer tanks 34 are operated in the grooves of the rotating rolls 35a.
A predetermined amount of the fertilizer inside is fed out, flows down inside the hose 36, and is discharged into the groove between each float 11 formed by the groove cutter 37a for fertilization.

In this way, the fertilization work is carried out at the same time as the seedling planting work, but when the seedling planting work approaches the end in one field, all the seedling planting equipment 10 If seedlings are planted all the way to the end, there may be a wide gap between the ridge and the final seedling planting row.

In such cases, before the final seedling planting process,
The clutch 19 of the seedling planting device located on the unplanted side of the rice transplanter, for example, the left seedling planting device in FIG. do. At this time, the shutter 38 of the feeding device 35 of the left fertilizer application device 33 is operated by the wire 43 so as to cover the upper surface of the rotating roll 35a, and at the same time, the application of fertilizer to the spaces between the seedling planting rows in the two rows on the left is stopped. Become.

Then, in the final seedling planting step, the operation of the left seedling planting device is restarted and the seedling planting operation is carried out to avoid leaving any unplanted seedlings.

When the multi-row rice transplanter stops planting an appropriate number of seedlings during rice planting work along the ridges of a field, fertilization to the stopped seedling planting rows can be stopped at the same time, and seedling planting can be stopped. Fertilizer is applied to the area where the seedlings are planted, and when seedlings are planted in this area, the inconvenience of fertilizing again does not occur. Therefore, over-fertilization can cause growth inhibition and growth spots. This can be prevented.

In addition, the seedling planting devices 10 of the rice transplanting device 7 are divided into a plurality of groups, and the driving of each group is intermittently operated,
In addition, since the operation device 40a is provided to stop the fertilization of the fertilization device 33 corresponding to the seedling planting device 10 of the group to be stopped by the intermittent operation, the operation can be performed even though it is a riding-type rice transplanter for multi-row planting. Very good quality.

Furthermore, since the operating device 40a... is provided in front of the fertilizer tank 34 of the fertilizing device 33 and the seedling planting device 10 and behind the control seat 5, the operator can operate the operating device 40a... from the control seat. There is no need to stand up from 5, and the fertilizer tank 34 does not get in the way during operation, resulting in good operability. Furthermore, when operating the operating device 40a..., the seedling tank 9 of the rice transplanting device 7
Since the amount of seedlings, the condition of the seedlings, and each part of the fertilizing device 33 can be checked at the same time, the work efficiency is also greatly improved.

[Brief explanation of the drawing]

The figures show one embodiment of the present invention, in which Fig. 1 is a side view, Fig. 2 is a simplified rear view of the main parts, and Fig. 3 is a simplified rear view of the main parts.
The figure is a diagram of the interlocking mechanism of the main parts, and FIG. 4 is a sectional view of the main parts. In addition, the reference numerals in the figure are: 1 is a running vehicle body, 5 is a control seat, 7 is a rice transplanting device, 10 is a seedling planting device, 19 is a clutch, 33 is a fertilizer application device, 34 is a fertilizer tank, 3
Reference numeral 8 indicates a shutter of the fertilizer application device, and 40a... indicates an operating device.

Claims (1)

[Claims] 1. In a riding type rice transplanter with a fertilizing device, which is equipped with a rice transplanting device 7 and a fertilizing device 33 behind the control seat 5 installed on the traveling vehicle body 1, the seedling planting device 10 of the rice transplanting device 7 is divided into multiple groups. An operating device 4 that separately performs intermittent operation on the drive of each device and stops fertilization of the fertilization devices 33 corresponding to the seedling planting devices 10 of the group to be stopped by the intermittent operation.
0a... is provided in front of the fertilizer tank 34 of the fertilization device 33 and the seedling planting device 10 and behind the control seat 5.