JPH08331930A - Walking-type rice transplanter equipped with fertilizing device - Google Patents

Abstract

PURPOSE: To provide a walking-type rice transplanter equipped with a fertilizing device less inhibiting a forward view and excellent in moving and steering performances by shortening the longitudinal length of a machine body, also making its center of gravity low with a good front and rear balance and installing the fertilizing device at a low position. CONSTITUTION: This walking-type rice transplanter equipped with a fertilizing device is obtained by installing a hydraulic functioning device 26 for regulating the lifting up and down of a wheel transmission case 24 in the front side of a rotating part of the wheel transmission case 24, forming a space part between the side of a front body part where an engine 3 and a main transmission case 7 are installed, and the side of a rear body part where a seedling transplanting device 4, a seedling transplanting transmission case 5 and a major seedling tank 19 are installed, in the longitudinal direction, and also between left and right wheels 1 in the width direction, arranging a fertilizer discharging device 6 of the fertilizing device so as to position it lower than the highest part of a bonnet 16, and also arranging the bottom part of a fertilizer hopper 13 installed at the upper side of the fertilizer discharging device 6 so as to position it lower than the highest part of the bonnet 16 in the above space.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention belongs to the technical field of a walk-behind rice transplanter equipped with a fertilizer application device.

[0002]

2. Description of the Related Art Conventionally, as shown in Japanese Patent Laid-Open No. 57-79808, a fertilizer applicator equipped with a fertilizer hopper and a fertilizer feeding device is attached to a walking type rice transplanter in which an engine is covered with a bonnet. There was a walk-behind rice transplanter with a fertilizer application in which the fertilizer application was attached above the rear part of the bonnet.

[0003]

In the conventional walk-behind rice transplanter equipped with the fertilizer application device as described above, the position of attachment of the fertilizer application device is high, so the center of gravity is high, and the forward view for maneuvering is also high. It was hindered and the workability was very poor.

[0004]

In order to solve the above-mentioned problems of the prior art, the present invention provides an engine 3 and a main transmission case 7 at the front of the machine body, and the left and right sides of the main transmission case 7 are provided. A wheel transmission case 24 is rotatably provided in the portion, the wheel transmission case 24 is provided so as to extend rearward, and wheels 1 are provided on the rear end side of the wheel transmission case 24 respectively on the left and right sides. ,
A steering handlebar 2 is provided at the rear of the machine body, and a seedling tank 19 is provided rearward of the outer peripheral rear end position of the wheel 1 and located on the front side of the steering handlebar 2 with a lower front portion and a higher rear portion. The seedling planting device 4 and the seedling planting transmission case 5 are provided in the vicinity of the front side of the lower end portion of the plant, and the fertilizer hopper 13 and the fertilizer feeding device 6 are provided in the walking type rice transplanter provided with the bonnet 16 covering at least the upper part of the engine 3. In a walking type rice transplanter with a fertilizer application equipped with a fertilizer application comprising
A hydraulic actuating device 26 for raising and lowering the wheel transmission case 24 is provided in front of the rotating portion of the case 24, and in the front and rear direction of the machine body where the engine 3 and the main transmission case 7 are provided. A space is formed between the left and right wheels 1 in the left-right direction between the seedling planting device 4 and the rear side of the machine body where the seedling planting case 5 and the seedling tank 19 are provided, and the fertilizer application is performed in the space. The fertilizer feeding device 6 of the apparatus is arranged so as to be positioned lower than the uppermost part of the bonnet 16, and the fertilizer feeding device 6
The lower part of the fertilizer hopper 13 provided on the upper side of the above was also arranged so as to be positioned lower than the uppermost part of the bonnet 16, thereby providing a walking type rice transplanter with a fertilizer application device.

[0005]

According to the present invention, in a walk-behind rice transplanter with a fertilizer application, a hydraulic operating device 26 for controlling the elevation of the wheel transmission case 24 is provided in front of the rotating portion of the wheel transmission case 24. Provided in the front-rear direction between the front side of the machine where the engine 3 and the main transmission case 7 are provided, and the rear side of the machine where the seedling planting device 4, the seedling transmission case 5 and the seedling tank 19 are provided. A space portion is formed between the left and right wheels 1 in the left-right direction, and the fertilizer feeding device 6 of the fertilizer application device is disposed in the space portion so as to be positioned lower than the uppermost portion of the bonnet 16, and the fertilizer feeding device 6 Fertilizer hopper installed above the
Since the lower part of 13 is also arranged so as to be positioned lower than the uppermost part of the bonnet 16, it is a position that has little influence on the longitudinal balance of the machine body while preventing the longitudinal length of the machine body from becoming long, and a low position of the machine body. Since a space where fertilizer application can be placed can be formed and the fertilizer application is placed in that space, a walk-behind rice transplanter with a fertilizer application that has a short front-rear length and a well-balanced front and rear center of gravity is provided. Further, the walking type rice transplanter with a small fertilizer application can be configured, and the fertilizer hopper 13 and the fertilizer feeding device 6 can be attached to the bonnet 16 at a low level without largely projecting upward and the front view is less obstructed. Therefore, it is possible to obtain a walking type rice transplanter with a small fertilizer application, which is excellent in running performance and maneuverability.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings. A main transmission case 7 is provided at a front end portion, a seedling planting transmission case 5 is provided at a rear portion, and a frame 8 is connected between the two. The steering handle 2 is projected rearward from the seedling planting transmission case 5. The frame 8 is made of sheet metal and formed in a boat shape. The main transmission case 7 is integrally attached to the inside of the front end of the frame 8, and the seedling transmission case 5 is integrally attached to the rear end outer surface of the frame 8. The engine 3 is provided on the rear side of the main transmission case 7, is mounted integrally with the main transmission case or the frame 8, and is transmitted to the transmission device in the main transmission case 7.
The fertilizer feeding device 6 of the fertilizer application device is located between the engine 3 and the seedling transmission case 5 and attached to the frame 8 or the seedling transmission case 5. In the lower part of the frame 8, a power take-out shaft 9 is provided from the main transmission case 7 toward the seedling planting transmission case 5, and the fertilizer feeding device 6 is linked from the power take-out shaft 9 through a transmission mechanism 10 such as a gear transmission. Configure.

The fertilizer feeding device 6 is arranged in a pair of left and right and internally has a feeding roll 12 rotated by a horizontal feeding shaft 11. The rotation of the feeding roll 12 lowers the fertilizer hopper 13 from the upper side. Side feeding chute 14
To the. Reference numeral 15 is an adjustment handle for adjusting the feeding.
The fertilizer hopper 13 is formed in series between the left and right fertilizer feeding devices 6, and has a form that does not project upward from the bonnet 16 that is openably and closably provided on the upper side of the engine 3 and the seedling planting transmission case 5. Reference numeral 17 denotes a funnel formed on the bonnet 16, and an opening / closing lid 18 is provided on the funnel 17.

The steering handle 2 is provided behind the seedling planting transmission case 5.
A seedling tank 19 which is interlockingly configured to move back and forth along the top is provided, and at the bottom of the seedling tank 19, a seedling feeding belt that is intermittently transmitted at a certain timing with the left and right lateral and rearward movements. 20 are provided. In addition, seedling planting tools 21 are interlocked on both left and right sides of the seedling planting transmission case 5 by a planting shaft 22 to separate and plant seedlings fed from the seedling tank 19.

Wheel transmission shafts 2 on both left and right sides of the main transmission case 7.
A wheel transmission case 24 is rotatably provided around 3
The wheel 1 axially mounted at the rear end of the wheel transmission case 24 has a relationship in which the left and right sides of the engine 3, the fertilizer application device, and the seedling planting transmission case 5 serve as spheres of rotation. Further, the left and right wheel transmission cases 24 are configured to be adjusted up and down around the wheel transmission shafts 23 by the hydraulic operating device 26 to maintain the traveling height balance of the machine body.

The float 25 is located between the left and right wheels 1 and extends in the front-rear direction. On the soil surface leveled by the gliding of the float 25, the seedling planting device 21 and the fertilizer feeding device 6 are provided. It is configured to apply fertilizer by. 27
Is a vertical swing support shaft at the rear end of the float 25, and is attached to the base of the steering handle 2 so as to be vertically rotatable.
The ground pressure is detected by the vertical swinging of the
6 may be configured to automatically control the raising and lowering of the wheel 1 so that the seedling planting tool 21 maintains a constant seedling planting depth.

The relationship between the float 25 and the frame 8 may be an integral structure as shown in FIG. 4, and the bonnet 16 is directly covered and fitted on the upper side of the frame 8. Further, as shown in the drawings, the above-described walk-behind rice transplanter with fertilizer application is provided with an engine 3 and a main transmission case 7 at the front of the machine body, and wheel transmissions are provided on both left and right sides of the main transmission case 7. A case 24 is rotatably provided, and the wheel transmission case 24 is provided so as to extend rearward. The left and right wheels 1 are provided on the rear end side of the wheel transmission case 24, respectively. A steering handlebar 2 is provided so as to project, and a seedling tank 19 is provided which is located on the front side of the steering handle 2 behind the outer peripheral rear end position of the wheel 1 and whose front portion is low and whose rear portion is high, and the lower end portion of the seedling tank 19 is provided. In the vicinity of the front side of the plant, a seedling planting device 4 and a seedling planting case 5 are provided, and a walking type rice transplanter provided with a bonnet 16 covering at least the upper part of the engine 3 is provided with a fertilizer hopper 13 and a fertilizer feeding device 6. Walk-behind rice transplanter with fertilizer application Further, a hydraulic operating device 26 for raising and lowering the wheel transmission case 24 is provided in front of the rotating portion of the wheel transmission case 24, so that the engine 3 and the main transmission case 7 can be moved in the front-back direction. A space is formed between the left and right wheels 1 in the left-right direction between the front side of the machine body provided and the rear side of the machine body where the seedling planting device 4, the seedling planting transmission case 5 and the seedling tank 19 are provided, In the space, the fertilizer feeding device 6 of the fertilizer application device is arranged so as to be located lower than the uppermost part of the bonnet 16, and the lower part of the fertilizer hopper 13 provided above the fertilizer feeding device 6 is also the bonnet. It is arranged so as to be positioned lower than the uppermost part of 16.

Therefore, in the walk type rice transplanter with the fertilizer application apparatus constructed as described above, when the seedling planting work is performed, the wheels 1 on the left and right sides are transmitted by the drive of the engine 3 to propel the machine body, The seedling planting work is performed by transmitting the seedling planting device 4 through the transmission device of the seedling planting transmission case 5. When performing fertilization at the same time, the fertilizer feeding device 6 is transmitted to perform fertilization work.

While preventing the longitudinal length of the machine body from becoming long, it is possible to form a space in which the fertilizer application apparatus can be arranged at a position where the front-rear balance of the machine body is less affected and at a lower position of the machine body. Since it is arranged and provided, a walk-behind rice transplanter with a fertilizer application device having a short front-rear length and a good front-rear balance and a low center of gravity can be configured,
Further, the fertilizer hopper 13 and the fertilizer feeding device 6 can be attached to the bonnet 16 at a low level without largely projecting upward, and a walking type rice transplanter with a small fertilizer application that does not obstruct the forward field of view can be configured. It is possible to obtain a compact walking type rice transplanter with a fertilizer application that is excellent in performance and maneuverability, and can perform good fertilization and seedling work.

[Brief description of drawings]

FIG. 1 is a partial cross-sectional side view of a walk-behind rice transplanter with a fertilizer application apparatus according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a part of the walk-behind rice transplanter with a fertilizer application device of FIG.

FIG. 3 is a perspective view of the walk-behind rice transplanter with the fertilizer application device of FIG. 1.

FIG. 4 is a partial cross-sectional side view of a walk-behind rice transplanter with a fertilizer application device according to another embodiment of the present invention.

[Explanation of symbols]

 1: Wheel 2: Steering wheel 3: Engine 4: Seedling planting device 5: Seedling planting transmission case 6: Fertilizer feeding device 7: Main transmission case 13: Fertilizer hopper 16: Bonnet 18: Lid 19: Seedling tank 24: Wheel transmission case 26: hydraulic actuating device

Claims (1)

[Claims] 1. An engine 3 and a main transmission case 7 are provided at a front portion of the fuselage.
Are provided, and wheel transmission cases are provided on both left and right sides of the main transmission case 7.
The wheel 24 is rotatably provided and the wheel transmission case 2 is provided.
4 is provided so as to extend rearward, and the wheel transmission case 2
Left and right wheels 1 are provided on the rear end side of the vehicle 4, and a steering handlebar 2 is projectingly provided on the rear part of the machine body. The steering wheel 2 is located on the front side of the steering handlebar 2 behind the outer peripheral rear end position of the wheel 1 and the front part is low and A seedling tank 19 having a high inclination is provided, and the seedling tank 1
A seedling planting device 4 and a seedling planting transmission case 5 are provided in the vicinity of the front side of the lower end of 9.
In a walk-behind rice transplanter equipped with a fertilizer applicator having a fertilizer hopper 13 and a fertilizer feeding device 6, a walk-behind rice transplanter provided with a bonnet 16 that covers at least the above engine 3, A hydraulic actuating device 26 for raising and lowering the wheel transmission case 24 is provided in front of the rotating portion of the wheel transmission case 24, and the engine 3 and the main transmission case 7 are provided in the front-rear direction. A space is formed between the left and right wheels 1 in the left-right direction between the front side of the machine body and the rear side of the machine body where the seedling planting device 4, the seedling planting transmission case 5 and the seedling tank 19 are provided. The fertilizer feeding device 6 of the fertilizer applicator is arranged in the inside of the unit so as to be located lower than the uppermost part of the bonnet 16, and the lower part of the fertilizer hopper 13 provided above the fertilizer feeding device 6 is also the bonnet 16.
A walking type rice transplanter with a fertilizer application, which is arranged so as to be positioned lower than the uppermost part of the.