JP2001292609A - Fertilizer applicator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fertilizer applicator enabling smooth fertilizer application work without damaging fertilizer application tubes as a result of action of unnatural force thereon or without catching them on e.g. a planting depth control lever when an operating section is made to ascend/descend even with such a design as to be disposed with plural rows of the fertilizer application tubes between an indicator mounted on a traveling machine body and the vertically movable operating section linked to the traveling machine body. SOLUTION: This fertilizer applicator has such a construction that fertilizer application tubes 25 are made to descend nearly straight along both sides of the rear portion of a traveling machine body 2 from the position of an indicator 16 toward an operating section 3 lying behind below respectively, and the respective tips of the tubes 25 are connected with the corresponding plural fertilizer application nozzles 4 arranged in parallel in the cross direction of the machine body so as to make the length of the tubes 25 between the indicator 16 and the operating section 3 as short as possible.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fertilizer applying fertilizer in a plurality of rows by arranging a fertilizer tube between an indicator provided on a traveling body and a working part connected to the traveling body. .

[0002]

2. Description of the Related Art Generally, in a fertilizer applicator provided with a plurality of fertilizing nozzles in a vertically movable working unit connected to a traveling machine body, such as a riding type fertilizer rice transplanter, an indicator provided on the traveling machine body has an indicator. A plurality of fertilizing pipes communicate with the fertilizing nozzle provided in the section.

[0003] Since such a working section is connected to a traveling machine body via an elevating link mechanism including an upper link and a lower link, conventionally, as shown in FIG. Then, the front end side of the link mechanism c is vertically lowered immediately after the indicator b, and then extends rearward along the lower link d, and the front end side is bent laterally. It is connected to a fertilizer application nozzle e that is parallel in the machine body width direction.

[0004] For this reason, the fertilizing tube a is sharply bent immediately after the indicator b and at the base end of the lower link d. Therefore, when the working part is raised and lowered, the sharp bending points (C), (C) and The fertilizer pipe a may be damaged due to excessive force acting on the vertical part (S) sandwiched between the bending points (C) and (C), and the fertilizer pipe extending from the rear end of the lower link to the fertilizer nozzle. Was sometimes caught by a planting depth adjustment lever or the like in the working section.

Further, when fertilizing tubes are connected to fertilizing nozzles arranged in parallel in the width direction of the fuselage from the rear end of the lower link in the center of the fuselage, the distances to the respective fertilizing nozzles are different from each other. In some cases, the tube resistance increased, causing unevenness in the tube resistance.

[0006] In a fertilizer applicator capable of folding a vertically movable work unit, the fertilizer tube must be removed when the work unit is folded, but conventionally, the fertilizer tube is cut off at the fertilizer nozzle. However, the fertilizer tube after separation remained on the fuselage and hindered running the fuselage.

[0007]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described circumstances, and has as its object to provide an indicator provided on a traveling body and an up / down movable body connected to the traveling body. Even if the working part is connected with a plurality of fertilizing tubes, when the working part is raised and lowered, excessive force acts on the fertilizing tube, or the fertilizing tube may be damaged. The fertilizer application can be performed smoothly without being caught by the attachment depth adjustment lever, etc., and when the working part is folded, the fertilizer application tube removed from the fertilizer nozzle can be stored without difficulty. It is intended to provide a fertilizer applicator.

[0008]

In order to solve the above-mentioned problems, the technical measures taken by the present invention include an indicator provided on both sides of a rear part of a traveling body and a work part which is connected to the traveling body and which can move up and down. A fertilizer that performs fertilization in a plurality of rows by arranging fertilizer tubes in between, while lowering both sides of the rear part of the body substantially linearly from the position of the indicator toward the working portion at the rear lower side, The tip of the fertilizer pipe is connected to a plurality of fertilizer nozzles arranged in parallel in the machine width direction, so that the fertilizer pipe between the indicator and the working unit is configured to be as short as possible. A fertilizer applicator that performs fertilization in multiple rows by arranging fertilizer pipes between indicators provided on both sides of the rear part of the fuselage and a vertically movable and foldable working part connected to the traveling fuselage. For The fertilizer tube that has been lowered is detachably connected to a plurality of fertilizer nozzles arranged in parallel in the machine width direction, and when the working part is folded, the fertilizer tube removed from the fertilizer nozzle can be wound and locked on the working part side It is characterized by having comprised in.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described in detail with reference to the accompanying drawings. First, in FIGS. 1 and 2, reference numeral 1 denotes a riding-type fertilizer rice transplanter exemplified as a fertilizer, and a planting work machine as a working unit 3 is connected to a rear portion of a traveling machine body 2 so as to be able to move up and down. In 3, fertilizer application nozzles 4 for applying fertilizer in the soil are arranged in parallel so that a plurality of fertilizers are applied.

The traveling body 2 has an engine section 8 mounted on a front portion of a body frame 7 having a front wheel 5 and a rear wheel 6, and a driving operation section 9, a driving seat 10 and the like are disposed behind the engine section 8. The working unit 3 is connected to the rear of the traveling machine body 2 via a link mechanism 13 including an upper link 11 and a lower link 12 so as to be able to move up and down.

Numeral 14 denotes a fertilizer tank provided on both sides of the front part of the body frame 7. A multi-axial fertilizer pump 15 is connected to the lower side of the fertilizer tank 14, and a discharge port of the fertilizer pump 15 is provided. Are connected to indicators 16, 16 provided on both sides of the rear of the traveling body 2 via a plurality of connecting pipes 17. .., 18 are fasteners for the connecting pipe 17, 1
9 is a return pipe.

In the working section 3, a seedling table 20, which is fed laterally left and right, is erected in a forward and rearward direction, and a plurality of planting frames 21 provided below the seedling table 20 in a horizontal direction are provided. Are fixed side by side. Reference numeral 23 denotes a rotary planter mounted on the rear end of the planter case 22. A plurality of floats 24 are mounted below the planter case 22 so as to be movable up and down. They are scraped and planted on the rice field.

In this embodiment, the floats 24 are arranged in five rows in the body width direction, and fertilizing nozzles 4 extending rearward and downward are provided in parallel on both sides of each float 24, respectively. Fertilizer is applied from the fertilizer nozzle 4 to ten rows. The fertilizing nozzle 4 is connected to the indicators 16 and 16 by a plurality of fertilizing tubes 25, and the fertilizing tubes 25 are arranged as follows.

That is, a plurality of fertilizer pipes 25 are connected to the lower sides of the indicators 16 provided on both sides of the rear part of the traveling machine body 2, respectively. , And then descend substantially linearly through the rear sides of the fuselage to the vicinity of the float 24. Then, the leading end side of the lowered fertilizer application nozzle 4 is bent and extended in the machine body width direction, and is detachably connected to the parallel fertilization application nozzle 4 via a fixture 26.

As described above, the fertilizing tube 25 from the indicator 16 to the fertilizing nozzle 4 has no sharp bend point.
After the indicator 16 and the working part 3 are bent substantially backward and downward from the position of the indicator 16, the working part 3 is made substantially linear so as to be the shortest distance.
And the fertilizer tube 25 between them is as short as possible.

FIGS. 3 and 4 show a work unit which is connected to the traveling body and which can be moved up and down. That is, left and right planter cases 22a are arranged on both left and right ends of the central planter case 22 fixed to the planting frame 21. The left and right planter cases 22a are provided with support arms 27 extending rearward and upward in the transplanted posture.
Is provided with a support arm 28 extending rearward and upward from the planter case 22 at the left and right ends. Then, the left and right planter cases 22a are rotatably connected and supported via support shafts 29 inclined at approximately 45 degrees to the left and right planter cases 22a.
The transplantation posture and the support shaft
It is foldable into a storage posture in which it rotates upward and rearward around the axis 9. 21a is left and right planter case 2
It is a left and right planting frame that supports the front end of 2a.

In the seedling mounting table 20, left and right seedling mounting tables 20a located on both side ends thereof can be folded rearward with respect to the seedling mounting table 20 on the center side. That is, the center of the rear surface of the left and right seedling platforms 20a and the side end of the central seedling platform 20 are connected via the link mechanism 30 that rotates vertically. The left and right seedling mounting platforms 20a can be folded into a transplanting posture that is flush with the center-side seedling mounting platform 20 and a storage posture that overlaps behind the central seedling mounting platform 20.

When the working part 3 is folded as described above, the fertilizing tube 25 also needs to be removed from the fertilizing nozzle 4. A clamp 31 is provided for locking the rotation. The clamp 31 is composed of a plate spring 33 that elastically locks the fertilizer application tube 25 to the receiving plate 32. The leaf spring 33 is
The base end is fixed to the receiving plate 32, and the distal end side is elastically opened and closed to lock the fertilizer application tube 25.

The clamp 31 is provided with a leaf spring 33 so that the detached fertilizer tube 25 can be wound and stored easily.
Is attached diagonally along the direction in which the fertilizer tube 25 bends, and the opening / closing side of the plate spring 33 is set in the direction in which the fertilizer tube 25 attempts to expand by elasticity, that is, the arrow P in FIG.
By arranging the fertilizer application tube 25 in a direction opposite to the direction, the locked fertilizer tube 25 is prevented from being inadvertently detached from the clamp 31 and safety during transportation of the machine body or the like is secured.

In order to more easily follow the fertilizer tube 25 when the working part 3 is raised or lowered or folded, the fertilizer tube 25 uses a pressure-resistant flexible hose.
Further, for the return pipe 19 bent at a small radius,
It is desirable to use a hose that is flexible and hardly breaks or collapses during wiring.

In addition, the conventional indicator has a structure shown in FIG.
As shown in (b), the switching lever A is configured to switch between fertilizing work facing rearward, stopping fertilizing work upward and washing work facing downward. By adopting a means such as filling the fertilizer tank 14 with water and discharging the fertilizer from the fertilizer nozzle 4 at a high speed to wash the fertilizer tube 25, the switching lever 16a is turned downward as shown in FIG. The structure of the indicator 16 is simplified by eliminating the washing operation.

With the above-described structure, the planter 23, which operates to plant the plant as the machine travels, scrapes the seedlings from the seedling mounting table 20 to plant the seedlings on the rice paddy, and the fertilizer application nozzles arranged in parallel in the machine body width direction. Apply fertilizer to soil from 4

Even when the working part 3 is moved up and down, the fertilizer tube 25 which is bent substantially from the position of the indicator 16 and then descends substantially linearly toward the working part 3 has no sharp bending point. The fertilizer tube 25 is not damaged by excessive force, and the fertilizer tube 2 is made as short as possible.
5 does not loosen greatly, so that it can be prevented from being caught by an operation lever or the like, such as a planting depth adjustment lever, in the working unit 3.

Further, the fertilizer application pipe 25 lowered from the indicators 16 on both sides of the rear part of the traveling body 2 toward the working part 3 through both sides of the rear part of the body is provided with fertilizer application nozzles 4 arranged in parallel in the machine width direction from the tip thereof. Since the length does not change significantly, the pipe resistance of each fertilizer application pipe is made substantially uniform, and the fertilizer application work can be performed without unevenness.

When the working unit 3 is folded, the fertilizer application tube 25 removed from the fertilizer nozzle 4 can be wound and locked by the clamp 31 provided on the back side of the seedling mounting table 20. And can be stored in the work unit 3 without obstruction during running of the aircraft.

[0026]

In summary, the present invention provides a fertilizer application method in which a fertilizer application pipe is arranged between an indicator provided on both sides of a rear part of a traveling machine body and a vertically movable working unit connected to the traveling machine body to perform fertilization in a plurality of rows. A plurality of fertilizer fertilizer pipes in which the fertilizer pipes are lowered substantially linearly on both sides of the rear part of the fuselage from the position of the indicator toward the working part rearward and lower, respectively, and the tips of the fertilizer pipes are arranged in parallel in the machine body width direction. Connected to the nozzle, the fertilizer pipe between the indicator and the working part is configured as short as possible.In addition, the indicator provided on the rear side of the traveling body and the up / down and foldable connected to the traveling body A fertilizer applicator that arranges fertilizer pipes between multiple working units and performs fertilization in a plurality of rows, and a plurality of fertilizing nozzles in which fertilizer tubes lowered from the indicator toward the working unit are arranged in the machine width direction. To When the working part is folded, the fertilizer tube removed from the fertilizer nozzle can be wound and locked on the working part side when the working part is folded, so even if the working part is raised and lowered, the work can be done from the position of the indicator No excessive force acts on the fertilizer tube that descends in a substantially straight line toward the part, and the fertilizer tube that is arranged as short as possible is caught by the operating lever etc. in the working part Can be prevented beforehand.

The length of the fertilizer pipes lowered on both sides of the rear part of the fuselage is reduced to a plurality of fertilizer nozzles arranged in parallel in the width direction of the fuselage, so that the pipe resistance of each fertilizer pipe is substantially uniform and there is no unevenness. Fertilization work can be performed.

Further, when the working part is folded, the fertilizing tube detached from the fertilizing nozzle can be wound around the working part and stowed without difficulty.

[Brief description of the drawings]

FIG. 1 is a side view of an implanting machine.

FIG. 2 is a plan view of the same.

FIG. 3 is a side view of a work unit that can be folded.

FIG. 4 is a front view of the same.

FIG. 5A is a side view of the indicator. (B) It is a side view which shows the conventional indicator.

FIG. 6 (a) is a plan view showing a conventional fertilizer application tube configuration. (B) It is the same side view.

[Explanation of symbols]

 2 Traveling machine body 3 Working part 4 Fertilizer application nozzle 16 Indicator 25 Fertilizer application pipe

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 2B041 AA06 AB04 AC05 BA08 CA17 2B052 BC05 BC16 EC02 EC06 EC09 ED03 FA09

Claims (2)

[Claims] 1. A fertilizer applying fertilizer in a plurality of rows by arranging a fertilizer pipe between an indicator provided on both sides of a rear part of a traveling machine body and a vertically movable working unit connected to the traveling machine body. The pipes are moved downward from the position of the indicator toward the working part at the rear lower side, and the rear sides of the fuselage are lowered substantially linearly, and the tips of the fertilizer pipes are connected to a plurality of fertilizer nozzles arranged in parallel in the width direction of the fuselage. A fertilizer applicator characterized in that the fertilizer pipe between the head and the working part is configured to be as short as possible. 2. A fertilizer applying fertilizer in a plurality of rows by arranging a fertilizer pipe between an indicator provided on both sides of a rear part of a traveling body and a vertically movable and foldable working part connected to the traveling body. The fertilizer tube lowered from the indicator toward the working unit is detachably connected to a plurality of fertilizing nozzles arranged in parallel in the machine body width direction, and when the working unit is folded, the fertilizing tube removed from the fertilizing nozzle is attached to the working unit. A fertilizer applicator characterized in that it can be wound and locked on the side.