JP2551120B2 - Seedling transplanter with fertilizer application - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a traveling paddy agricultural work machine or the like in which a granular material supply device such as a fertilizer application device is provided on a space between a pair of left and right traveling wheels and on both sides thereof. Seedling transplanter with fertilizer application.
The present invention can also be applied to a seedling transplanter with a fertilizer application such as a seeder transplanter provided with a seeding device or a chemical spraying device instead of the fertilizer applicator.

[Prior Art] Conventionally, as disclosed in Japanese Patent Laid-Open No. 63-177714, a pair of left and right running wheels, a plurality of planting devices, and a plurality of fertilizer application sets are provided, and the fertilizer of the fertilizer application is provided. In a seedling transplanter with a fertilizer application, in which each set of a tank and a feeding part is arranged between the left and right of the traveling wheel and on the left and right outside of the traveling wheel, the transmission to the feeding part arranged between the left and right of the traveling wheel is traveling. A seedling with a fertilizer applied, which is transmitted from a planting device located between the left and right sides of the wheel, and the transmission of the feeding portion arranged on the left and right outside of the traveling wheel is transmitted from the planting device located on the left and right outside of the traveling wheel. There was a transplant machine.

[Problems to be Solved by the Invention] In the above-mentioned conventional seedling transplanter, members such as rods that interlock the feeding portion and the planting device are provided inside and outside the left and right traveling wheels, respectively, which makes the structure complicated. It was Also, if the feeding shafts of the left and right inner and outer feeding parts of the traveling wheels are integrally linked and linked, the transmission structure to the left and right inner and outer feeding parts of the traveling wheel can be simplified, but the unifying feeding shaft There was a problem of interference with the wheels. In order to avoid this, if the position of the feeding portion is shifted so that the integral feeding shaft does not interfere with the traveling wheels, there is a problem that the weight balance of the machine body is lost.

[Means for Solving the Problems] In order to solve the above problems, the present invention has the following configuration.

That is, the seedling transplanter with a fertilizer application apparatus according to the present invention,
A pair of left and right traveling wheels, a plurality of planting devices, and a plurality of sets of fertilizer application are provided, and each set of the fertilizer tank and the feeding section of the fertilizer application is arranged between the left and right of the traveling wheels and the left and right outer sides of the traveling wheels. In the seedling transplanter with a fertilizer application, taking out the power to drive the planting device, the shaft center is located at a position not overlapping the traveling wheels in a side view, and in the left-right direction from the left and right outer sides to the inner side of the traveling wheels. It is characterized in that it is transmitted to an extending drive shaft, and is transmitted to a feeding portion arranged on the left and right outer sides of the traveling wheel from the driving shaft and a feeding portion arranged between the traveling wheels on the left and right sides.

[Operation] As the traveling wheels are driven to rotate and the aircraft progresses,
Both the planting device and the fertilizer application device are driven to plant seedlings and fertilize. Even if the fertilizer decreases as the work progresses, each set of the fertilizer tank and the feeding section of the fertilizer application is arranged between the left and right of the traveling wheels and the left and right outer sides of the traveling wheels.
There is little change in the weight balance between the front and rear of the aircraft. Further, the power for driving the planting device is taken out, the shaft center is located at a position not overlapping the traveling wheels in a side view, and the power is transmitted to the drive shaft extending in the left-right direction from the left and right outer sides of the traveling wheels,
Since it is configured to transmit from the drive shaft to the feeding portion arranged on the left and right outer sides of the traveling wheels and the feeding portion arranged between the left and right sides of the traveling wheels, the fertilizer application arrangement configuration has little fluctuation in the longitudinal balance of the machine body. It is possible to relatively easily configure the transmission configuration of the traveling wheels to the feeding parts inside and outside the left and right.

[Examples] Examples described in the drawings will be described below.

The seedling transplanter 1 with a fertilizer application is a four-row planting type walking paddy farming machine, in which a main mission case 2, an engine 3, a hydraulic unit 4 and the like are arranged in the front part of the body, and the side of the mission case 2 is arranged. Chain cases 6 and 6 are provided rearward so as to be vertically rotatable at the ends of the rotating cylinders 5 and 5 protruding from the
Traveling wheels 7, 7 are attached to the rear end of the chain case. A main frame 9 is fixedly connected to the rear portion of the main mission case 2 on the base side thereof. The main frame 9 extends rearward through the lower part of the machine body, and then has a shape in which the main frame 9 is curved in the middle part and the rear part is slanted upward. A seedling mounting table 10 is provided along the inclined rear portion of the main frame 9, and a planting device 12, ..., Seedling mounting table moving device is attached to the bracket 11 fixed to a position slightly forward of the curved portion. A planting part frame 14 assembled with 13 is attached, and these constitute a planting working part 15. The planting unit frame 14 is a planting working unit 15
Also serves as a transmission case. A handle rod 17 is attached to the rear end of the main frame 10.

The seedling placing table 10 is partitioned into four seedling placing portions 10a, ... Which are equally divided on the upper surface, and each seedling placing portion 10a ,. The base is supported by a support frame 21 and rails 22 so as to be slidable left and right. On the receiving plate 24 provided under the seedling mounting table 10, each seedling mounting portion 10a, ...
Seedling outlets 25, ... are provided corresponding to the above.

The planting part frame 14 is the main mission case 2 described above.
Transmission pipes 32, 32 are projected from the left and right ends of the planting section mission case 30 which is transmitted from, and the chain case 33 (at the lower side of the planting section mission case 30 and the ends of the left and right pipes 32, 32 ( C, L, R) are vertically installed, and are attached to the bracket 11 at the lower end of the central chain case 33 (C). Then, a total of four sets of planting devices 12, ... One set on each side of the lower end of the central chain case 33 (C) and one set on the inner side of the lower side of the left and right chain cases 33 (L, R), respectively. It is provided.

In the planting device 12, ..., the crank 36 is attached to the crank shaft 35 pivotally supported by the chain case 33.
And link 37 attached to the chain case with planting nail 39
A planting rod 40 equipped with is supported. The crankshaft 35 is driven by the planting part mission case 30 and the planting shaft 42 provided in the transmission pipes 32, 32 and the chain 43 in each chain case 33, and the planting claw 39 draws a predetermined locus. The seedlings of the seedling table 10 supplied to the seedling take-out port 25 are planted in the field by vertically moving.

Further, the seedling table moving device 13 is provided on the upper part of the planting section mission case 30, and the tips of the arms 46, 46 fixed to both ends of the moving shaft 45 protruding outside the case are the bottom parts of the seedling table 10. It is connected to the side surface. The moving shaft 40 appropriately moves left and right, whereby the seedling stand 10 is reciprocated left and right. When the seedling mounting table 10 reaches the end of the left and right stroke, each seedling feeding device 20 is activated and the seedlings are transferred by one row toward the seedling take-out port 25.

In the lower part of the machine body, a center float 50 long in the front-rear direction and a pair of relatively small left and right side floats 51, 51 are attached to a float support rod 52 provided laterally on the left and right. The mounting method is that a float support piece 56 is rotatably pivotally attached to the tip of an arm 54 fixed to the support rod 52, and the support rod 52 is rotated around an axis by a planting depth adjusting lever 57. It is possible to change the support height of the float.
The front part of the center float 50 is suspended by the expansion / contraction link 58, and the tip part of the side float 51 is a height detection link 59 described later.
Is hung on.

The rice paddy farming machine 1 of this is a pair of left and right traveling wheels 7 (L,
The height and the left-right attitude of the machine are controlled by the machine control device that includes a lifting control device that simultaneously lifts and lowers R) and a tilting device that independently lifts only the left traveling wheel 7 (L) that is the tilt control side. There is. Next, the machine body control device will be described.

A pitching cylinder 60 for raising and lowering the machine body is provided to extend rearward from a rear portion of the hydraulic unit 4, and a link plate 62 biased rearward by a spring 61 is horizontally attached to a tip end portion of a piston rod thereof. . The left and right ends of the link plate 62 are connected to the upper ends of swing arms 64, 64 projecting upward from the rotating cylinders 5, 5 via connecting rods 65 (L, R). A rolling cylinder 66 for tilting the machine body is provided in the middle of the left connecting rod 65 (L). The hydraulic unit 4 and the valve V ₂ of the valve V ₁ and the rolling cylinder 66 of pitching cylinder 60 is provided, the valve V in response to vertical movement of the rod 68 for the field surface height detection which is mounted on the center float 50 ₁ is switched, and the valve V ₂ is switched according to the operation of the left / right tilt detection mechanism including the detection link 59 and the like.
When the height of the field changes, the pitching cylinder 60 expands and contracts accordingly, the swing arms 64, 64 are rotated back and forth via the connecting rods 65 (L, R), and the left and right paddy wheel 7, Since 7 moves up and down by the same amount at the same time, as a result, the aircraft moves up and down to keep the planting depth of seedlings constant. When the field scene tilts to the left and right, the rolling cylinder 66 expands and contracts accordingly, and the left wheel 7 (L), which is the traveling wheel on the tilt control side.
Only the chisel moves up and down with respect to the aircraft to correct the lateral inclination of the aircraft.

The main frame 9 is provided in the space between the front part of the fuselage including the engine 2 and the main mission case 3 and the planting work part 15.
4 sets of fertilizer applicators 70, ...
Is provided. Each fertilizer application device 70 includes a fertilizer tank 71 for storing fertilizer, a feeding unit 72 for feeding the fertilizer in the fertilizer tank downward by a predetermined amount by rotation of a feeding roll 72a contained therein, and a hopper 72b of the feeding unit. The fertilizer application port 73a provided at the lower end of the fertilizer application hose 73 is provided so as to face the field scene. Also, fertilizer mouth 73a
A grooving device 75 for forming a fertilizer application groove is attached to the floats 50, 51, 51 in the vicinity of the front part of the. These 4 sets of fertilizer applicators have 2
One set is provided for each set and both outside portions.

Behind the fertilizer application devices 70, ...
The fertilizer frame 77 attached to (L, R) is provided, and the feeding rolls 72a are provided by the support plates 78 ,.
Drive shafts 80, 81 for driving the motor are supported. One drive shaft 80 drives the feeding roll of the fertilizer applicator 70 (1) located outside the tilting traveling wheels 7 (L), and the other driving shaft 81 drives the left / right traveling wheels 7 (L, R). Fertilizer application device 7 located in the space
The fertilizer application device 70 (4) located outside 0 (2, 3) and the non-tilting control traveling wheel 7 (R) is driven. These drive shafts 8
0 and 81 are respectively transmitted through drive rods 82 and 83 connected to the ends of the planting shaft 42 that protrude from the left and right chain cases 33 (L, R). Therefore, the drive shaft does not pass above the tilting wheel 7 (L) having a large vertical amplitude. Third
In the figure, the highest and lowest positions of the left and right traveling wheels are shown by imaginary lines. As shown in the figure, both drive shafts 80, 81 are lower than the highest position H of the drive side wheel 7 (L). It is provided, and it is possible to reduce the mounting height of the entire fertilizer application device. In addition, planting department mission case
The drive rod 84 taken out directly from 30 may be configured to be transmitted to the drive shaft 81.

Further, a fertilization frame 77 and a column 90 support a preliminary seedling stand 91 substantially horizontally on the upper part of the machine body.

[Effects of the Invention] As is clear from the above description, the seedling transplanter with fertilizer application according to the present invention has a fertilizer tank and a feeding section of the fertilizer application even if fertilizer is reduced as the work progresses. Since each set is arranged between the left and right of the traveling wheels and on the left and right outside of the traveling wheels, there is little fluctuation in the front-rear weight balance of the machine body. Further, the power for driving the planting device is taken out, the shaft center is located at a position not overlapping the traveling wheels in a side view, and the power is transmitted to the driving shaft extending in the left-right direction from the left and right outer sides of the traveling wheels to the drive shaft. Since it is configured to transmit from the shaft to the feeding section arranged on the left and right outer sides of the traveling wheels and the feeding section arranged between the left and right sides of the traveling wheels, the fertilizer application configuration has little fluctuation in the front-rear balance of the machine body while running. It has become possible to relatively easily configure the power transmission structure to the feeding parts inside and outside the left and right of the wheel.

[Brief description of drawings]

FIG. 1 is a side view of one embodiment of a walk-behind paddy field agricultural working machine according to the present invention, FIG. 2 is a plan view thereof, and FIG. 3 is a rear view of a main part thereof. 1 …… Walking paddy farm work machine, 14 …… Planting part frame,
15: Planting work unit, 7 (L): Tilt control side traveling wheel,
7 (R) ... non-tilting control side traveling wheel, 70 ... fertilizer application device,
71 …… Fertilizer tank, 72 …… Feeding device, 80,81 …… Drive shaft.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Rihe Seike, No. 1 Hachikura, Tobe Town, Iyo-gun, Ehime Prefecture, Engineering Department, Iseki Agricultural Machinery Co., Ltd. (56) Reference JP-A-63-177714 (JP, A) 63-124328 (JP, U)

Claims (1)

(57) [Claims] 1. A pair of left and right traveling wheels 7, 7 and a plurality of planting devices 1.
2, and a plurality of sets of fertilizer application devices 70 ,.
In a seedling transplanter with a fertilizer application, each set of 0, ... fertilizer tanks 71, ... And feeding section 72, ... is arranged between the left and right of the traveling wheels 7,7 and the left and right outer sides of the traveling wheels 7,7, The planting device 12,
Taking out the power to drive the ...
The axis is located at a position not overlapping 7, 7 and the traveling wheel
Between the left and right sides of the traveling wheels 7, 7, which is transmitted to the drive shaft 81 extending in the left and right direction from the outer side to the inner side of the left and right sides of the 7, 7 and is disposed on the left and right sides of the traveling wheels 7, 7 from the drive shaft 81. A seedling transplanter with a fertilizer application, characterized in that it is configured to be transmitted to the feeding parts 72, 72 arranged in the.