JP2009136264A - Fertilizing implement - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve the situation which causes a trouble that a fertilizing depth is not stabilized by increasing pitching of a traveling machine body, a sinking phenomenon of a boarding part by the own weight of an operator, or the extent of sinking of the whole fertilizing implement in the fertilizing implement, equipped with a fertilizing part installed at the rear of the traveling machine body, and a fertilizer feeder arranged at the front of the boarding part so as to perform fertilizing work, while traveling on a field with a poor scaffold, such as on a paddy field or a lotus root field. <P>SOLUTION: Floating boats 5 for supporting the fertilizing part 4 are constituted so as to freely vertically shake through a parallel link 16 relative to the traveling machine body 2, when the fertilizing part 4 is installed at the rear of the traveling machine body 2. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  TECHNICAL FIELD The present invention relates to a fertilizer application machine that performs fertilization work while traveling in a poorly cultivated field such as paddy fields and lotus fields.

  Conventionally, in order to reduce the work load in fields with poor footing such as paddy fields and lotus fields, it is supported by a traveling machine body having a traveling part, a riding part connected to the traveling machine body, and a floating ship in contact with the field. There is known a fertilizer application machine that includes a fertilizer that applies fertilizer and a fertilizer supply device that supplies fertilizer to the fertilizer, and performs a fertilization operation while traveling in a farm field (see, for example, Patent Document 1).

And the fertilizer application machine of the said patent document 1 connects the fertilizer provided with the fertilizer supply apparatus and the fertilizer supply apparatus which supplies fertilizer to this fertilizer part further back of the boarding part provided in the back of the traveling body. Since the entire fertilizer application machine becomes a back balance and the stability during work traveling becomes worse, the fertilizer application machine as a whole is provided by providing a fertilizer part behind the traveling machine body and a fertilizer supply device in front of the riding part The present applicant has applied for a fertilizer application machine that has a compact structure and improves the front-rear balance (see, for example, Patent Document 2).
JP 2004-57802 A (page 3-4, FIGS. 1 to 3) Japanese Patent Application No. 2007-013143 (FIGS. 1 to 4)

  However, when performing fertilization work while traveling in a soft and muddy field such as Hasuneda by the fertilizer work machine of Patent Document 2 described above, the sinking phenomenon of the riding section due to the pitching of the traveling machine body or the weight of the operator, Or the malfunction that the fertilization depth is not stabilized by the amount of subsidence of the whole fertilizer working machine becoming easy to occur easily, and further improvement was needed.

An object of the present invention is to solve the above-mentioned problems, and is supported by a traveling machine body having a traveling part, a boarding part connected to the traveling machine body and on which an operator is boarded, and a floating ship in contact with a farm field. In a fertilizer application machine that includes a fertilizer that applies fertilizer and a fertilizer supply device that supplies fertilizer to the fertilizer, and performs fertilizer work while traveling on the field, the fertilizer is provided at the rear of the traveling machine body. The first feature is that the floating boat to be supported is configured to be swingable up and down with respect to the traveling machine body.
The second feature is that among the plurality of fertilizer nozzles arranged at predetermined left and right intervals constituting the fertilizer section, the tip of the fertilizer nozzle that overlaps with the riding section in plan view is faced below the riding section. .

According to the invention of claim 1, even if the pitching of the traveling machine body due to the soil condition of the field and the adjustment state, the sinking phenomenon of the riding part due to the operator's own weight, or the fluctuation of the subsidence amount of the entire fertilizer application machine occurs. Since the floating boat that supports the fertilizer section swings up and down following the field scene, the fertilizer application depth can be kept substantially constant.
And according to invention of Claim 2, the front-end | tip of the fertilizer nozzle which superposes | stacks with a boarding part by planar view among several fertilizer nozzles arrange | positioned by the predetermined left-right space | interval which comprises a fertilizer part faces the boarding part below. As a result, it becomes possible to place the boarding section close to the traveling machine body, and further downsizing the entire fertilizer application machine and improving the front-rear balance and turning performance can be achieved.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. 1 and 2 are a side view and a plan view of a fertilizer application machine to which the present invention is applied. The fertilizer application machine is connected to a traveling machine body 2 having a traveling unit 1 and a traveling machine body 2 so that an operator can A fertilization device comprising a boarding unit 3 to be boarded, a pair of left and right floating boats 5 that are in contact with the field and maintain the left-right balance of the fertilizer work machine and support the fertilizer unit 4, and a fertilizer pump 6 that supplies fertilizer to the fertilizer unit 4 It is possible to carry out fertilization work while running in a soft and muddy field such as paddy field and lotus field.

  The fertilizing apparatus described above includes a plurality of fertilizer nozzles 7a to 7d arranged at predetermined left and right intervals constituting the fertilizer section 4, left and right fertilizer tanks 8 for storing fertilizer, and fertilizers in both fertilizer tanks 8 as fertilizer nozzles 7a. Fertilizer pump 6 which is a fertilizer supply device for supplying to 7d, transfer pipe 9 for transferring fertilizer from both fertilizer tanks 8 to fertilizer pump 6, and fertilizer pipe 11 for transferring fertilizer from fertilizer pump 6 to fertilizer nozzles 7a-7d Etc.

  The traveling machine body 2 includes a main frame 12, an engine 13 mounted on the main frame 12, and a belt transmission device 15 that transmits the power of the engine 13 to the rear transmission case 14. Is transmitted to the left and right wheels 1, 1 and the fertilizer pump 6 which are travel parts.

  The rear end of the main frame 12 is provided with a connecting portion 12a having an inverted U-shaped rear side opened in a side view. The connecting portion 12a has a base end portion of the parallel link 16 provided with a connecting portion 16a opened in a U-shape in a side view that is fitted in a state facing the connecting portion 12a, and a fixing pin P. The tool bar 17 is attached to the rear end of the parallel link 16 and can be attached to the tool bar 17 on which the floating boat 5 and the fertilizer application nozzles 7a to 7d are mounted.

  More specifically, the parallel link 16 includes upper and lower equal-length links 16b and 16b 'having P1 and P2 as fulcrums as shown in FIG. 1, and swings up and down as indicated by arrows A in the figure. That is, a pair of left and right floating boats 5 are mounted in the vicinity of both end portions of the toolbar 17 attached to the rear portion of the parallel link 16 so that the height can be adjusted. It can swing freely up and down. And both the floats 5 are formed in the shape where the front-end | tip part curved diagonally upwards, while being able to slide smoothly in a farm field, the left-right balance at the time of turning of the traveling body 2 is also maintained favorable.

  In the present invention, the parallel link 16, the tool bar 17, the fertilizer application nozzles 7 a to 7 d and the like may interfere with other components of the fertilizer application machine as the parallel link 16 is unnecessarily swung up and down. In addition, a plate 16c is provided which is linked to the obliquely lower position of the lower equal-length link 16b ′ from the fulcrum P1, and is parallel to the lower equal-length link 16b ′ via a long hole H formed in the plate 16c. The link 16 is configured so that proper swinging regulation can be applied.

  The left and right wheels 1 and 1 are mounted on an axle 18 that protrudes left and right from the lower portion of the mission case 14. Both wheels 1 and 1 are hollow saddle wheels having a large diameter and a wide left and right width. A plurality of blade lugs 1a are provided on the outer periphery of the wheels 1 and 1, and a floating wheel 1b is internally provided to increase the buoyancy of the traveling machine body 2. I am trying.

  A steering wheel bracket 19 is installed on the upper part of the transmission case 14, and a steering handle 21 having a substantially C-shape formed in a plan view extending obliquely rearward and upward from the steering wheel bracket 19 is provided. Further, on the upper rear side of the mission case 14, a support stay 22 for mounting the fertilizer pump 6 is extended rearward at substantially the same inclination as the steering handle 21.

  In addition, a base member 23 made of a square pipe for supporting the left and right fertilizer tanks 8 is laterally provided at the front end of the main frame 12, and is substantially in a plan view standing from both ends of the base member 23. Both fertilizer tanks 8 can be screwed to the front upper part of the traveling machine body 2 via a support stay 24 formed in a letter shape.

  Further, a vertical frame 26 made of a pipe material extending rearward through a support member 25 fixed to the main frame 12 is provided at the upper rear end of the main frame 12. It is comprised so that the boarding part 3 can be mounted in.

  The boarding part 3 is made of a substantially rectangular box-shaped member in a plan view that is long in the front-rear direction, and the whole also functions as a floating ship. A vertical axis 27 is inserted in the front center of the riding section 3 so as to pass through a boss 26a provided at the rear end of the vertical frame 26. The vertical axis 27 can be inserted into the boss 26a so as to be dimensionally controlled. By doing so, when performing fertilization work, it is comprised so that the up-and-down movement of the predetermined range of the boarding part 3 immersing to some extent with respect to a field scene is accept | permitted.

  The riding section 3 rotates with the boss 26a provided at the rear end of the vertical frame 26 as a fulcrum as the traveling body 2 turns, but the bolt 28 screwed on the upper portion of the vertical axis 27 and the boss 26a By abutting against a pair of left and right stoppers 29 integrally fixed to the lower part, when the traveling machine body 2 turns, the riding part 3 is regulated so as not to turn unnecessarily.

  Further, the fertilizer application nozzles 7a to 7d are composed of a middle portion that is bent obliquely backward and downward from the end of the base end portion facing in the vertical direction, and a distal end portion that is bent rearward from the end of the middle portion, A fertilizer pipe 11 extending from the fertilizer pump 6 is connected. The fertilization nozzles 7a and 7d on the outer side in plan view are arranged near the boarding unit 3 between the boarding unit 3 and the pair of left and right floating boats 5, and both fertilization nozzles 7a and 7d are attached to the tool bar 17. The height of the support stay 31 can be adjusted via a positioning pin and a bolt with a knob (not shown).

  On the other hand, the fertilization nozzles 7 b and 7 c on the inner side in a plan view are arranged at positions where they overlap with the riding part 3, and their tips (tips) face the lower part of the riding part 3. That is, the fertilizer application nozzles 7b and 7c are positioned in front of the outer fertilizer application nozzles 7a and 7d described above. The fertilizer application nozzles 7b and 7c are attached to a support stay 32 projecting forward from the tool bar 17 via a positioning pin and a bolt with a knob (not shown) so that the height can be adjusted.

  According to the fertilizer working machine that performs fertilization work while running on a soft and muddy field such as paddy field and lotus rice field as described above, the fertilizer work machine is in contact with the farm field when the fertilizer section 4 is provided behind the traveling machine body 2. The left and right floating boats 5 that maintain the left and right balance and support the fertilizer section 4 are configured to be swingable up and down with respect to the traveling machine body 2 via the parallel link 16, so that the traveling by the influence of the soil condition and the adjustment state of the field A pair of left and right supporting the fertilizer 4 (fertilizer nozzles 7a to 7d) even if pitching of the airframe 2 or the phenomenon that the riding section 3 sinks due to the weight of the worker or the amount of subsidence of the entire fertilizer working machine occurs. Since the floating boat 5 swings up and down following the farm scene, the fertilizer application depth can be kept substantially constant.

  Of the plurality of fertilizer nozzles 7 a to 7 d arranged at predetermined left and right intervals constituting the fertilizer section 4, the tips of the inner fertilizer nozzles 7 b and 7 c that overlap with the riding section 3 in plan view are located below the riding section 3. As a result, the riding section 3 can be placed close to the traveling machine body 2, and the entire fertilizer application machine can be made more compact and the front-rear balance and the turning performance can be improved.

The left view of a fertilizer application machine. The top view of a fertilizer application machine.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Traveling part 2 Traveling machine body 3 Boarding part 4 Fertilizing part 5 Floating ship 6 Fertilizer supply apparatus 7a-7d Fertilization nozzle

Claims (2)

  A traveling machine body (2) having a traveling part (1), a boarding part (3) connected to the traveling machine body (2), and a floating ship (5) in contact with a farm field, and fertilizer is applied. A fertilizer application machine comprising a fertilizer application section (4) and a fertilizer supply device (6) for supplying fertilizer to the fertilizer application section (4) and performing fertilization work while traveling on a farm field. In providing a part (4), the fertilizer work machine characterized by having comprised the floating ship (5) which supports a fertilizer part (4) so that rocking | fluctuation was possible up and down with respect to a traveling body (2).   Of the plurality of fertilizer nozzles (7a to 7d) arranged at predetermined left and right intervals constituting the fertilizer section (4), the tip of the fertilizer nozzle (7b, 7c) that overlaps with the riding section (3) in plan view The fertilizer applicator according to claim 1, which faces the lower side of (3).

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