JP2008178318A - Fertilizing working machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To shorten the front and the rear length of a fertilizing working machine that slides on a field with a poor foothold, such as, paddy field or lotus root field, and to make the fertilizing working machine compact in size. <P>SOLUTION: The fertilizing working machine is equipped with a traveling machine body 2 having traveling parts 1, a boarding part 3 that allows a worker to board and fertilizing parts 7 for applying a fertilizer in the front and the rear directions of the traveling machine body 2 and slides on the field to apply the fertilizer. In the fertilizing working machine, the fertilizing parts 7, a maneuvering part 23 and fertilizer feeders 9 for feeding the fertilizer to the fertilizing parts 7 are installed in the traveling machine body 2, and the boarding part 3 is arranged in a position overlapping with the fertilizing parts 7, when viewed from the side. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a fertilizer application machine that slides in a field.

In order to reduce the work burden in poorly-fed fields such as paddy fields and lotus fields, a traveling machine body having a traveling part, a boarding part on which an operator is boarded, and a fertilizer applying fertilizer are provided in the longitudinal direction of the traveling machine body. A fertilizer application machine shown in Patent Document 1 that slides through a farm and applies fertilizer is known.
JP 2004-57082 A

  However, the fertilizer work machine of the above document has a drawback that the front and rear length of the work machine becomes longer because the riding part is connected to the rear of the traveling machine body and the fertilizer device having the fertilizer part is connected in that direction. There is.

  In order to solve the above problems, a fertilizer application machine according to the present invention includes a traveling machine body 2 having a traveling unit 1, a boarding unit 3 on which an operator is boarded, and a fertilizer application unit 7 for applying fertilizer. In a fertilizer working machine that is provided in the front-rear direction and applies fertilizer by sliding on a farm field, the fertilizer supply unit 7, the maneuvering unit 23, and a fertilizer supply device 9 that supplies fertilizer to the fertilizer application unit 7 are provided in the traveling machine body 2, and a boarding unit 3 is arranged in a position overlapping with the fertilizer 7 in a side view.

  Secondly, the fertilizer section 7 is configured by a fertilizer nozzle that is inserted into the field, and the float 4 that maintains the fertilizer depth is provided on both the left and right sides of the riding section 3.

  Thirdly, the riding section 3 is connected to the float 4 so as to be movable up and down.

  According to the fertilizer application machine of the present invention configured as described above, the fertilizer supply unit, the maneuvering unit, and the fertilizer supply device for supplying fertilizer to the fertilizer application unit are provided in the traveling machine body, and the riding section provided in the front-rear direction of the traveling machine body Since the front and rear length of the work implement is shortened by arranging it at a position overlapping with the fertilizer in side view, the work implement can be made compact and the turning performance can be improved.

  Further, the fertilization depth can be made uniform by configuring the fertilization section with a fertilization nozzle that inserts the fertilization section into the field and providing floats that maintain the fertilization depth on both the left and right sides of the riding section.

  Furthermore, by connecting the riding section so as to be able to move up and down with respect to the float, it is possible to suppress the influence on the fertilization depth by the operator's own weight, and it is also possible for the operator to lift the traveling machine body.

  1 and 2 are a side view and a plan view of a working machine to which the present invention is applied. The working machine includes a fertilizer application, a traveling machine body 2 having a traveling unit 1, a riding unit 3 on which an operator rides, a left and right float 4 that improves the left-right balance of the working machine and maintains a uniform fertilization depth, The balance weight 6 for improving the front-rear balance of the work machine is provided for fertilizing work, cutting work, etc. in a poorly footed field that contains a lot of water such as paddy fields and lotus fields.

  The fertilizer is composed of a fertilizer nozzle 7 (fertilizer) that fertilizes fertilizer, a fertilizer tank 8 that stores fertilizer, a fertilizer pump 9 that is a fertilizer supply device that supplies fertilizer from the fertilizer tank 8 to the fertilizer nozzle 7, and a fertilizer tank 8 includes a pipe 11 that transfers fertilizer from the fertilizer pump 9 to the fertilizer pump 9, and a fertilizer pipe 12 that transfers fertilizer from the fertilizer pump 9 to the fertilizer nozzle 7, both of which are provided on the traveling machine body 2.

  The traveling machine body 2 includes a frame part, left and right wheels 1 and 1 as a traveling part, an engine 13, a transmission case 14 that transmits power of the engine 13 to the wheel 1 and the fertilizer pump 9, and the float 4 and A tool bar 16 for attaching the fertilizer nozzle 7 is provided.

  The frame portion includes a main frame 17 in the front-rear direction, a vertical frame 18 in the front-rear direction, and a horizontal frame 19 in the left-right direction provided behind the main frame 17. The rear end of the main frame 17 is provided with a substantially U-shaped connecting portion 17a opened in the rear side, and the front end of the vertical frame 18 is provided with a substantially inverted U-shaped connecting portion 18a opened in the front side. It has been.

  The connecting portion 18a of the vertical frame 18 is fitted into the opening of the connecting portion 17a of the main frame 17 so that the opening of the connecting portion 17a of the main frame 17 and the opening of the connecting portion 18a of the vertical frame 18 face each other. . Then, by inserting a plurality of bolts in the vertical direction from above the connecting portion 17a of the main frame 17 to the connecting portion 18a of the vertical frame 18 and below the connecting portion 17a of the main frame 17, the vertical frame 18 is inserted into the main frame 17. Firmly fix against. By connecting the rear end surface of the connecting portion 18 a of the vertical frame 18 and the center portion of the front end surface of the horizontal frame 19 by welding or the like, the horizontal frame 19 is firmly fixed to the vertical frame 18 and the main frame 17.

  The left and right wheels 1 are rotatably supported on the main frame 17. Each wheel 1 is a hollow paddy wheel having a wide left and right width. A plurality of blade lugs 1a are provided on the peripheral surface of each wheel, and a floating body 1b is internally provided.

  The transmission case 14 is fixed on the upper surface of the main frame 17, the engine 13 is extended on the front side of the upper part of the transmission case 14, and the handle bracket 22 extends obliquely rearward and upward on the rear side. The handle bracket 22 is provided with a substantially C-shaped handle 23 (control part) in a plan view extending obliquely upward rearward.

  Fertilizer tanks 8 are attached to the left and right ends of the horizontal frame 19 via support stays 24 and holding stays 26. The support stay 24 has a base end portion extending upward, and a midway portion and a distal end portion thereof bent forward. A holding stay 26 having a substantially U shape in side view is formed on the upper surface of the midway portion and the distal end portion. The holding stay is bolted in a state where the lower surface of the midway part is in contact. The fertilizer tank 8 is attached to the left and right sides of the traveling machine body 2 by bolting the front end portion and the rear end portion of the fertilizer tank 8 in the front-rear direction to the front and rear ends of the holding stay 26, respectively.

  Above the vertical frame 18, the fertilizer pump 9 is installed, and a horizontal toolbar 16 is arranged at the rear. The tool bar 16 is a prism member having a substantially square cross section, and is supported by a support frame 27. The support frame 27 is a substantially inverted U-shaped member in the vertical direction in plan view with the rear open, and the upper front ends of the left and right side plates are cut out in a substantially L shape in side view.

  The lengths of the rear edge and the upper edge formed by the left and right L-shaped cutout portions are substantially the same as the vertical width and the front and rear width of the toolbar 16, and the front edge and the lower edge of the central portion of the toolbar 16 are connected to the rear edge. The tool bar 16 in the left-right direction is firmly fixed to the support frame 27 by being brought into contact with the upper edge and fixed by welding or the like. A support rod 28 is provided at the lower end of the support frame 27 so as to project downward. The tool bar 16 is firmly fixed to the frame portion of the traveling machine body 2 by fixedly supporting the vertical center portion of the support rod 28 at the rear end portion of the vertical frame 18.

  The float 4 and the fertilizer nozzle 7 are attached to the toolbar 16 of the support structure via attachment members 29 and 31. The attachment members 29 and 31 are divided into front and rear U-shaped members and side-reverse U-shaped members, and the tool bar 16 is sandwiched between the front and rear with the openings facing each other. By fastening them together, they are fastened and fixed to the side peripheral surface of the toolbar 16. Since the attachment members 29 and 31 having the above-described configuration can be moved in the left-right direction along the toolbar 16 by loosening the bolts, the attachment positions in the left-right direction of the float 4 and the fertilizer nozzle 7 can be easily adjusted.

  The float 4 is a plate-like member in the front-rear direction and is formed in a shape in which the tip portion is bent obliquely upward, and is configured to smoothly slide in the farm field. It is provided one by one. A fixing member 32 having an insertion hole 32a in the vertical direction is fixed to the rear portion of the attachment member 29 for the float 4.

  A vertical stay 34 that is fixedly attached from the center of the float 4 via the bracket 33 is inserted and supported in the insertion hole 32a, and a bolt in the left-right direction is formed in the stay 34 from the fixing member 32. The float 4 is fixed to the toolbar 16 by being inserted into 34 a and fastened and fixed. A plurality of the bolt holes 34a of the stay 34 are arranged in the vertical direction so that the mounting height of the float 4 can be adjusted.

  The fertilizer nozzle 7 has a middle portion bent obliquely downward and rearward with respect to a base end portion in the vertical direction, a distal end portion bent backward, and a fertilizer pipe 12 from a fertilizer pump 9 is connected to the base end portion. A total of four are attached and fixed to the toolbar 16, one on each side of each float 4. A fixing bracket 36 having bolt holes 36a formed at two upper and lower portions is fixedly provided at the front portion of the attachment member 31 for the fertilizer nozzle 7.

  A vertical mounting seat 37 provided behind the base end portion of the fertilizer application nozzle 7 is superimposed on the fixing bracket 36, and left and right bolts are formed on the mounting seat 37 from the bolt holes 36 a of the fixing bracket 36. The fertilizer application nozzle 7 is fixed to the tool bar 16 by being inserted into the bolt hole 37 a and tightened and fixed. A plurality of the bolt holes 37a of the mounting seat 37 of the fertilizing nozzle 7 are provided in the vertical direction so that the mounting height of the fertilizing nozzle 7 can be adjusted. The mounting height of the fertilizer nozzle 7 is adjusted so that the tip of the fertilizer nozzle 7 is inserted to a desired depth in the field.

  The balance weight 6 is attached to the front of the traveling machine body 2 having the above configuration, and the riding section 3 is connected to the rear. The balance weight 6 is a substantially rectangular parallelepiped member, and is fixedly supported in front of the traveling machine body 2 by a mounting bracket 38 fixed to the front end of the main frame 17.

  The boarding part 3 is a plate-like member having a substantially rectangular shape in plan view that is long in the front-rear direction, and the whole functions as a floating body. A lower end portion of a vertical shaft 39 is supported at the front center of the riding portion 3 so as to be rotatable left and right, and an upper end portion of the shaft 39 is supported at a rear end portion of a front and rear arm 41 so as to be rotatable up and down. The front end of the arm 41 is supported on the lower end of the support rod 28 so as to be rotatable up and down. The riding unit 3 can be moved up and down while maintaining a horizontal balance with respect to the traveling machine body 2 and can be swung left and right with respect to the traveling machine body 2 by the rotation mechanism. Moreover, the boarding part 3 is arrange | positioned in the position which is pinched | interposed into two fertilization nozzles 7.7 of four innermost fertilization nozzles 7 in planar view, and overlaps with the fertilization nozzle 7 in side view.

  According to the working machine having the above-described configuration, the left and right wheels 1 equipped with the riding section 3 and the floating body 1b functioning as a floating body receive buoyancy and load even in a field including a lot of water such as paddy fields and lotus fields. In order to disperse, the working machine is prevented from fitting in the field. Then, the left and right wheels 1 are driven to rotate, and the fertilizer is applied from the tip of the fertilizer nozzle 7 inserted into the field by driving the fertilizer pump 9, so that the work machine performs the field work and the fertilizer work It is possible to glide.

  In addition, since the left and right floats 4 are fixed to a tool bar 16 fixed to the frame portion of the traveling machine body 2, the left and right balance when the working machine is turned left and right is maintained well and fertilizer is applied. Since the nozzle 7 is also fixed to the tool bar 16, the vertical position of the fertilizer nozzle 7 with respect to the field is kept constant, and the fertilization depth can be made uniform.

  Moreover, since the boarding part 3 is connected to the traveling machine body 2 so as to be movable up and down, even when the boarding part 3 sinks into the field due to the weight of the operator, the vertical position of the fertilizer nozzle 7 with respect to the field is made substantially constant. In addition to being able to maintain, by configuring the riding section 3 so as to be turnable to the left and right with respect to the traveling machine body 2, the turning performance of the work implement is improved.

  Furthermore, since one fertilizer tank 8 is provided on each of the left and right sides of the traveling machine body 2, the left and right balance of the work equipment is prevented from being deteriorated, and the fertilizer in the left and right fertilizer tanks 8 is consumed simultaneously. , The left and right balance of the work machine can always be kept good. And since the distance from the fertilizer tank 8 to the fertilizer pump 9 and the distance from the fertilizer pump 9 to the fertilizer nozzle 7 are short, piping of the above-mentioned pipe 11 and the fertilizer pipe 12 becomes easy.

  In addition, by installing the handle 23, the fertilizer tank 8, the fertilizer pump 12, and the fertilizer nozzle 7 in the traveling machine body 1 and arranging the riding section 3 at a position overlapping the fertilizer nozzle 7 in a side view, the front and rear length of the work implement is short. Thus, the entire work machine can be made compact, and the turning performance of the work machine can be improved.

  The example in which the fertilizer pump 9 is provided at the rear part of the traveling machine body 1 has been described above, but FIGS. 3 and 4 show an example in which the fertilizer pump 9 is provided in front of the traveling machine body 1. 1 and 2, the fertilizer pump 9 is attached to a mounting bracket 38 provided at the front end of the main frame 17, and the balance weight 6 is configured by the fertilizer pump 9. Further, the tool bar 16 is firmly fixed to the frame part of the traveling machine body 2 by integrally attaching the rear end part of the vertical frame 18 to the front end part of the support frame 27 that supports the tool bar 16 by welding or the like. The riding section 3 is connected to the rear of the traveling machine body 2.

  According to the working machine configured as described above, the fertilizer pump 9 also serves as the balance weight 6 and there is no need to provide a separate balance weight. Therefore, the number of parts of the entire work machine is reduced, the structure is simplified, and the manufacturing cost is reduced. It becomes possible to keep it low.

  5 and 6 are a side view and a plan view of a working machine showing another embodiment. The front part of the traveling machine body 2 of the embodiment shown in FIGS. 1 and 2 constitutes the rear part of the traveling machine body 2 of the working machine, and the rear part constitutes the front part of the traveling machine body of the working machine 2. From the mission case 14, a handle 23 and a handle bracket 22 that supports the handle 23 are fixedly provided rearward (leftward in FIG. 5) obliquely upward. By firmly fixing the front end portion of the support frame 27 that supports the tool bar 16 to the mounting bracket 38 at the rear end (the front end in FIGS. 1 and 2) of the main frame 17, the tool bar 16 is attached to the frame portion of the traveling machine body 2. And the riding section 3 is connected to the rear of the traveling machine body 2.

  The fertilizer pump 9 is supported on the vertical frame 18 by substantially the same configuration as the embodiment shown in FIGS. The left and right support stays 24 that support the fertilizer tank 8 protrude upward from the left and right ends of the horizontal frame 19, respectively, and the upper ends of the support stays 24 are arranged at the center of a substantially U-shaped holding stay 26 in a side view. The part is fixed. The other support structure of the fertilizer tank 8 is substantially the same as the support structure of the fertilizer tank 8 of the embodiment shown in FIGS. 1 and 2, and this working machine is compared with the working machine of the embodiment shown in FIGS. A fertilizer tank 8 is arranged further forward. Then, by operating the traveling machine body 2 forward (reverse operation in the embodiment shown in FIGS. 1 and 2), the traveling machine body 2 of the present working machine is driven forward, and the working machine is also advanced.

  According to the working machine having the above configuration, the fertilizer pump 9 is provided in the front, and even when the balance weight 6 is configured by the fertilizer pump 9, the fertilizer pump 9 and the fertilizer tank 8 can be provided close to each other. The pipe 11 for transferring the fertilizer from the fertilizer tank 8 to the fertilizer pump 9 can be easily provided.

It is a side view of the working machine to which the present invention is applied. It is a top view of the working machine to which this invention is applied. It is a side view of the working machine which shows another Example. It is a top view of the working machine which shows another Example. It is a side view of the working machine which shows another Example. It is a top view of the working machine which shows another Example.

Explanation of symbols

1 wheel (traveling part)
2 traveling machine body 3 boarding part 4 float 7 fertilizer nozzle (fertilizer part)
9 Fertilizer pump (fertilizer supply device)
23 Handle (control section)

Claims (3)

  A traveling machine body (2) having a traveling part (1), a boarding part (3) on which an operator rides, and a fertilizer application part (7) for applying fertilizer are provided in the front-rear direction of the traveling machine body (2), and a field is provided. In a fertilizer application machine that slides and applies fertilizer, a fertilizer supply device (9) that supplies fertilizer to the fertilizer section (7), the control section (23), and the fertilizer section (7) is provided in the traveling machine body (2). The fertilizer application machine which arrange | positioned the boarding part (3) in the position which overlaps with the fertilizer part (7) in side view.   The fertilizer application machine according to claim 1, wherein the fertilizer application part (7) is constituted by a fertilization nozzle inserted into a field, and floats (4) are provided on both the left and right sides of the riding part (3) to maintain the fertilization depth.   The fertilizer application machine according to claim 2, wherein the riding section (3) is connected to the float (4) so as to be movable up and down.

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