JPH04228005A - Walking type rice transplanter with fertilizer applicator - Google Patents

Abstract

PURPOSE:To obtain the subject rice transplanter, having a low center of gravity and hardly causing clogging with a fertilizer by locating left and right fertilizer tanks on the outside of a wheel, and arranging left and right fertilizer applicators on the outside of the wheel. CONSTITUTION:Left and right fertilizer tanks 15 and 15 are located on the outside of a wheel 8 so as not to deteriorate the maneuverability even if a fertilizer is contained. Left and right fertilizer applicators 14 and 14 are arranged on the outside of the wheel so as to apply the fertilizer to seedlings to be planted with planting tools 7 located on the outside of the wheel viewed from the front of the machine body. Fertilizer transfer pipes 18 connecting fertilizer delivery devices 16 to furrowers 19 are short and clogging with the fertilizer is hardly caused.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the structure of a walk-behind rice transplanter equipped with a fertilizer applicator, which is a walk-behind rice transplanter equipped with a fertilizer applicator.

0002

[Prior Art and its Problems] The fertilizer tank of a conventional walk-behind rice transplanter with a fertilizer applicator is provided on the front or rear side of the wheels, or above the wheels. However, if the fertilizer tank is installed in front or behind the wheels, the overall length of the machine becomes long, making it impossible to obtain a compact rice transplanter.In addition, if the fertilizer tank is installed above the wheels, the center of gravity becomes too long. This had the disadvantage that the driving stability deteriorated due to the high speed.

0003

[Means for Solving the Problems] In order to solve the problems of the prior art described above, the present invention disposes a transmission case in front of the wheels, a planted transmission case behind the wheels,
Left and right frames connecting the transmission case side and the planting transmission case side are provided on the left and right outer parts of the wheel, and the front parts of left and right soil leveling floats located on the outer side of the wheel are respectively movable up and down on the left and right frames. A walk-behind rice transplanter is equipped with a mounting section and a control handle on the rear side of the planting transmission case, and is capable of fertilizing seedlings that are planted using planting tools located on the left and right outer sides of the wheels when viewed from the front of the machine. The left and right fertilizer applicator consists of a fertilizer tank that stores fertilizer, a fertilizer dispensing device that dispenses fertilizer little by little from the side of the fertilizer tank, a transfer pipe that guides the dispensed fertilizer, and a furrower that opens fertilization grooves in the field. The present invention is a walk-behind rice transplanter with a fertilizer applicator, characterized in that these are arranged at left and right outer positions of the wheels and connected to the left and right frames, respectively.

0004

[Operations and Effects of the Invention] According to this invention, the left and right fertilizer tanks are installed on the walking rice transplanter so that they are located outside the wheels, and fertilizer can be stored without raising the center of gravity of the machine, resulting in excellent maneuverability. A walking rice transplanter with a fertilizer applicator can be obtained. In addition, the left and right fertilizer applicators are placed outside the wheels so that the seedlings to be planted are fertilized using the planting tools located on the left and right outside of the wheels when viewed from the front of the machine, so fertilizer can be applied from the fertilizer tank side. The fertilizer transfer path between the fertilizer dispensing device that dispenses small amounts of fertilizer and the furrower can be shortened without detouring around the wheels, and clogging of fertilizer is less likely to occur, allowing for highly efficient fertilization and rice planting work.

Furthermore, left and right frames are provided on the outer side of the wheel to connect the transmission case side and the planting transmission case side, and the front parts of the left and right soil leveling floats located on the outer side of the wheel are attached to the left and right frames, respectively. In addition to providing a mounting part that can be moved up and down, the left and right fertilizer applicators placed on the outside of the wheels are connected to the left and right frames, respectively, so the left and right soil leveling floats and the left and right fertilizer applicators can be attached to the machine body with a simple configuration, and the entire machine body can be lowered. The center of gravity allows for a lightweight configuration.

[0006]

[Embodiment] An embodiment of the present invention will be described in detail based on the drawings.The front sides of a pair of left and right frames 1a and 1b are connected by a mission case 2, and an engine 3 is connected to this mission case 2. In addition, the rear parts of the frames 1a and 1b are connected by a planting transmission case 4 that is L-shaped in side view,
A base portion of a control handle 5 is attached to the rear end side of this planting transmission case 4.

Reference numeral 6 denotes a seedling stand, which is positioned above the control handle 5 and tilted so that the front side is at the bottom, supported so as to be movable left and right from the side of the planting transmission case 4 and the handle 5. It is configured to be connected to a reciprocating device on the attached transmission case 4 side and to be reciprocated from side to side. 7.7
A planting tool is attached to the planting transmission case 4 with a crank and a swing arm, and is configured to divide and engage seedlings from the seedling platform 6 and carry them to the soil surface for planting.

Reference numeral 8 denotes a wheel, which is located at an intermediate portion between the frames 1a and 1b and is pivotally supported on the rear side of the chain case 9, which is rotatably supported around the drive shaft of the transmission case 2. The chain case 9 is configured to be vertically adjustable via a link 11 with a handle 10 on the rear end side of the vehicle body. 12a
- 12b is a soil leveling float that extends rearward from both sides of the wheels 8, the rear part of which is pivotally connected to the planting transmission case 4 via a bracket so that the front part can move up and down; It is attached to the frames 1a, 1b via hanging rods 13, 13 as attachment parts so as to be vertically movable.

[0009] The fertilizer application machines 14, 14 have fertilizer tanks 15a and 14, respectively.
15b, feeding devices 16a, 16b, and funnels 17a, 17b
It consists of transfer pipes 18a, 18b, groove makers 19a, 19b, etc., and is located on the side of the wheel 8, respectively, and supported by the frames 1a, 1b with metal fittings 20a, 20b. Fertilizer dispensing devices 16a and 16b are integrally attached to the lower end sides of the left and right fertilizer tanks 15a and 15b, and funnels 17a and 17b to which transfer pipes 18a and 18b are connected are provided at the bottom of the dispensing devices 16a and 16b. ing. The trenchers 19a and 19b are fixed to the ground leveling floats 12a and 12b so as to protrude below their lower surfaces, and have a U-shape in plan view.
b is configured to intervene.

The transmission of the feeding devices 16a and 16b is configured such that the feeding rolls are rotated by a ratchet mechanism, and the ratchet levers 21a and 21b are connected to the planting tool 7.
- It is configured to be connected to the swing arm 7 with rods 22a and 22b. In addition, 23 is a spare seedling stand,
It is constructed integrally with the lid of the fertilizer tank 15a, 15b.

To explain the operation of the above example, first, the fertilizer tank 15 is filled with granular fertilizer, the seedlings are loaded on the seedling stand 6, and the engine 3 drives each rotating part. The left and right leveling floats 12a and 12b are propelled while being in contact with the soil surface of the paddy field. In addition, the seedling platform 6 reciprocates left and right to supply seedlings to the transplanting tools 7, 7, which divide the seedlings and transplant them onto the soil leveled by the soil leveling floats 12a, 12b. do. on the other hand,
The fertilizer dispensing devices 16a and 16b of the fertilizer applicator 14 are the transplanting tools 7 and
The fertilizer in the fertilizer tank 15a, 15b is fed out little by little from the swing arm side of the fertilizer tank 7, received by the funnel 17a, 17b, and then flows down the transfer pipe 18a, 18b. Groove machine 19a/19b
It is discharged into a ditch formed in the field.

In this way, rice planting and fertilization are carried out at the same time. According to this embodiment, the fertilizer tank 15 of the fertilizer applicator 14 is separated into left and right and located on both sides of the wheels 8, so that the fertilizer can be stored in the tank 15 of the fertilizer applicator 14. Even when the machine becomes heavy, the longitudinal balance of the aircraft does not change easily, and stable maneuvering and propulsion is possible without raising the center of gravity, making it difficult for the planting depth to change when planting seedlings.

Further, fertilizer applicators 14, 14 are connected to the wheels 8, respectively, so that the seedlings to be planted are fertilized by the planting tools 7, 7, which are located on the left and right sides of the wheels 8, respectively, when looking at the machine from the front. Because it is placed on both the left and right sides, the fertilizer tank 15
The fertilizer transfer path between the fertilizer dispensing device 16 that dispenses fertilizer little by little from the a and 15b sides and the furrower 19 can be shortened without bypassing the wheels 8, and clogging of the fertilizer is reduced. Further, left and right frames 1a and 1b are provided on the outer side of the wheel 8 to connect the transmission case 2 side and the planting transmission case 4 side, and the left and right frames 1a and 1b are provided with the left and right frames 1a and 1b located on the outer side of the wheel 8. The front parts of the soil leveling floats 12a and 12b are each provided with hanging rods 13 that are movable up and down, and the left and right fertilizer applicators 14 and 14 placed on the outside of the wheels 8 are connected to the left and right frames 1a and 1b, respectively, so that the body The left and right leveling floats 12a and 12b and the left and right fertilizer applicators 14 and 14 can be installed in a simple configuration, and the entire body can be made lightweight with a low center of gravity, making it a fertilizing rice transplanter with good workability and maneuverability. , the work efficiency is very high.

[Brief explanation of the drawing]

[Figure 1] Overall side view

[Figure 2] Back sectional view of main parts

[Explanation of symbols]

1a/1b frame
2 Mission case 3 Engine
4 Planting transmission case 5 Control handle
6 Seedling stand 7 Planting tool
8 Wheel 13
Mounting part (hanging rod) 14
Fertilizer applicator 15a/15b Fertilizer tank
16a/16b Fertilizer feeding device 17a/17b Funnel
18a/18b Transfer pipe 19a/1
9b Groove machine

Claims (1)

[Claims] Claim 1: A transmission case is disposed in front of the wheel, a planted transmission case is arranged behind the wheel, and the transmission case side and the planted transmission case side are arranged on the left and right outer sides of the wheel. A connecting left and right frame is provided, a mounting part is provided on the left and right frames to which the front parts of the left and right soil leveling floats located on the outside of the wheels are mounted so as to be movable up and down, and a control handle is provided on the rear side of the planting transmission case. The walk-behind rice transplanter has a fertilizer tank that stores fertilizer, and a small amount of fertilizer is applied from the side of this fertilizer tank to fertilize the seedlings that are planted using the planting tools located on the left and right outside of the wheels when looking at the machine from the front. A left and right fertilizer dispensing machine consisting of a fertilizer dispensing device, a transfer pipe for guiding the dispensed fertilizer, and a furrowing device for opening a fertilization groove in the field is arranged at the left and right outer positions of the wheels and connected to the left and right frames, respectively. A walk-behind rice transplanter with a fertilizer applicator.