JP4922048B2 - Agricultural machine - Google Patents

Description

  The present invention relates to an agricultural machine that can easily clean dirt on a road surface.

  For example, when a farming machine connected to the rear part of a tractor, which is a traveling vehicle, is used to perform a tilling work on a field, and after completion of the farming work, the farmer leaves the field and goes to the next farm or warehouse through a road. In addition, the road surface near the farm entrance and the like may be soiled with dirt such as mud attached to the wheels of the tractor as a traveling vehicle.

Conventionally, as a device for cleaning dirt on the road surface, there is a cleaning rotary device described in Patent Document 1 (for example, see Patent Document 1). This cleaning rotary device is disposed on the machine frame connected to the rear part of the tractor, the rotary cleaning tool provided on the machine frame and driven to rotate in the scraping direction toward the traveling direction, and the front side in the traveling direction of the rotary cleaning tool. A guide for guiding the object to be cleaned scraped up by the rotary cleaning tool in cooperation with the rotary cleaning tool; and a bowl for storing the object to be cleaned which is disposed on the front side of the guide tool and guided by the guide tool. I have.
JP-A-7-233514 (FIGS. 1, 5, etc.)

  However, when cleaning dirt on the road surface using the cleaning rotary device, it is necessary to remove the agricultural machine from the tractor and connect the cleaning rotary device, which is a dedicated cleaning machine, to the tractor instead of the agricultural machine. It may take time to clean the soil dirt.

  This invention is made | formed in view of such a point, and it aims at providing the agricultural machine which can clean the soil dirt of a road surface easily.

  The agricultural machine according to claim 1 is a work machine main body connected to a traveling vehicle, a working means provided on the working machine main body for performing agricultural work, a road surface provided by the traveling of the traveling vehicle. Cleaning means for cleaning soil dirt.

  The agricultural machine according to claim 2 is the agricultural machine according to claim 1, wherein the cleaning means is provided on the main body of the work machine so as to be movable up and down, and is set in an operating state in contact with the road surface by the downward movement. It is set to the non-action state which leaves | separates from a farm scene at the time of the operation | work by a means.

  According to a third aspect of the present invention, there is provided the agricultural machine according to the second aspect, further comprising drive means for moving the cleaning means up and down relative to the main body of the work machine.

  The agricultural machine according to claim 4 is the agricultural machine according to any one of claims 1 to 3, wherein the cleaning means has a rotary cleaning body that rotates to clean dirt on the road surface.

  The agricultural machine according to claim 5 is the agricultural machine according to any one of claims 1 to 4, further comprising water supply means for supplying water to the road surface prior to cleaning of the cleaning means.

  A farm machine according to claim 6 is the farm machine according to any one of claims 1 to 5, further comprising a soil storage means for receiving and storing soil from the cleaning means.

  According to the first aspect of the present invention, since it comprises a working means provided on the work implement main body for performing farm work and a cleaning means provided on the work implement main body for cleaning dirt on the road surface due to traveling of the traveling vehicle, On the other hand, it is not necessary to remove the agricultural machine from the traveling vehicle and connect a dedicated cleaning machine to the traveling vehicle, so that dirt on the road surface can be easily cleaned.

  According to the second aspect of the present invention, the cleaning means can be set to a desired action state by moving it downward relative to the work implement body, and the desired non-action can be set by moving the cleaning means upward relative to the work implement body. Can be set to state.

  According to the invention which concerns on Claim 3, since the drive means which moves a cleaning means up and down with respect to a working machine main body is provided, compared with the structure which moves a cleaning means up and down manually, a worker's burden can be reduced.

  According to the invention which concerns on Claim 4, since the cleaning means has a rotary cleaning body which rotates and cleans the dirt on the road surface, the dirt on the road surface can be appropriately cleaned by this rotary cleaning body.

  According to the invention which concerns on Claim 5, since the water supply means which supplies water to a road surface prior to the cleaning of a cleaning means is provided, the dirt on a road surface can be cleaned effectively.

  According to the invention which concerns on Claim 6, since the soil storage means which receives and accumulates the soil from the cleaning means is provided, the soil which existed on the road surface can be temporarily stored in the soil storage means.

  An embodiment of an agricultural machine according to the present invention will be described with reference to the drawings.

  In FIG. 1 to FIG. 3, reference numeral 1 denotes an agricultural working machine, and the agricultural working machine 1 is a tillage rotary or the like connected to a three-point link (working machine lifting support device) 3 at the rear of a tractor 2 that is a traveling vehicle.

  The tractor 2 includes a tractor body 4 that is a vehicle body, and wheels 5 that are traveling wheels are rotatably provided on the left and right sides of the front and rear portions of the tractor body 4. At the rear end of the tractor body 4, a three-point link 3 that is a work machine connecting portion is provided. The three-point link 3 has an upper link 6 and a left and right lower link 7 that rotate up and down by an operation of a hydraulic device (not shown).

  The farm machine 1 includes a work machine main body 11 connected to a three-point link 3 at the rear of the tractor 2, a tiller body 12 that is rotatably provided on the work machine main body 11, and performs a tilling work while rotating, and a work machine main body 11 And a leveling body 13 that performs leveling work while rotating up and down behind the tillage body 12. The cultivating body 12 and the leveling body 13 constitute a working means 14 for performing soil work as farm work, for example, tilling work.

  Further, the farm work machine 1 is provided in the work machine main body 11 so as to be movable up and down, and is set in an operating state (see FIG. 1) that contacts the road surface A by a predetermined amount of downward movement. The non-operating state (see FIG. 2) that is separated from the farm scene B during the operation by the means 14 is set, and the soiled surface of the road surface A due to the traveling of the tractor 2 behind the working means 14 in the operating state, that is, for example, the wheels by the traveling of the tractor 2 5. Cleaning means 16 for cleaning soil a such as mud in the field that has fallen on road surface A from 5 and this cleaning means 16 is moved up and down with respect to work implement main body 11 to selectively set the working state and the non-working state. Driving means 17 for performing the operation. The road surface A is, for example, a road surface in the vicinity of a farm field entrance / exit that is easily soiled by the wheels 5 of the tractor 2 that have left the farm field.

  The work machine body 11 has a main frame portion 21 that is longitudinal in the left-right direction. A gear box portion 22 is provided substantially at the center in the left-right direction of the main frame portion 21, and an input shaft 23 in the front-rear direction for inputting power from the tractor 2 is rotatably provided in the gear box portion 22. The input shaft 23 is connected to the PTO shaft (not shown) of the tractor 2 via a universal joint, a transmission shaft, and the like. Further, a three-point connecting portion 24 projects forward from the main frame portion 21, and the three-point connecting portion 24 is connected to the top mast 25 connected to the upper link 6 of the corresponding three-point link 3 and the lower link 7. And a lower arm 26 connected thereto.

  Further, a chain case portion 28 as a transmission case portion is provided at the left end portion which is one longitudinal end portion of the main frame portion 21, and a bracket portion 29 is provided at the right end portion which is the other end portion in the longitudinal direction. The tillage body 12 is rotatably provided between the chain case portion 28 and the bracket portion 29 that are spaced apart from each other on the left and right. The cultivating body 12 is composed of, for example, a horizontal cultivating shaft (not shown) installed on the lower portion of the chain case portion 28 and the lower portion of the bracket portion 29, and cultivating claws fixed radially to the cultivating shaft. Yes. Further, in the gear box part 22, the main frame part 21, and the chain case part 28, transmission means (not shown) for transmitting the power from the input shaft 23 to the tilling shaft is disposed. The tillage shaft receives power from the transmission means and rotates in a predetermined direction.

  The work implement main body 11 has a substantially plate-shaped cover portion 30 that covers the upper portion of the tillage body 12. At the rear end of the cover part 30, a leveling body 13 that performs leveling work behind the tillage body 12 and flattens the farm scene B is provided so that the rear end side can move up and down around the front end side. It has been.

  The cleaning means 16 can be moved up and down on the work machine main body 11, that is, for example, a support 31 provided so as to be rotatable up and down around a rotation center axis X in the left and right direction passing through the axis of the main frame portion 21, A rotating cleaning body 32 such as a rotating brush that is supported by a support 31 so as to be rotatable about a rotation center axis Y in the left-right direction and that rotates when the cleaning means 16 is in operation to clean dirt on the road surface A. . The rotary cleaning body 32 is inputted with power from the middle of a transmission means (not shown) that transmits power from the input shaft 23 to the tilling shaft, for example, and rotates in a predetermined direction (for example, clockwise in FIG. 1). The soil a on A is removed from the road surface A.

  The support 31 includes a support frame 34 and a chain case (transmission case) 35. The front end portion of the support frame 34 is attached to the main frame portion 21 of the work machine body 11 so as to be rotatable about the rotation center axis X. The front end portion of the chain case 35 is attached to the upper outer surface side of the chain case portion 28 of the work machine body 11 so as to be rotatable about the rotation center axis X.

  Then, the left and right rotation shafts 36 are supported by the rear end portion of the support frame 34 and the rear end portion of the chain case 35 so as to be rotatable about the rotation center axis Y. The rotation shaft 36 is a chain in the chain case 35 or the like. It receives power from a power transmission means (not shown) and rotates. The bristles 37, which are scraping members as a plurality of elastic members that can be elastically deformed to scrape the soil a on the road surface A, are attached to the rotating shaft 36 of the rotary cleaning body 32. Further, as shown in FIG. 3, the axial length of the rotary shaft 36 having the axial direction in the left-right direction is the same as the width of the working means 14 and is larger than the width of the tractor 2. Brush hairs 37 are implanted over substantially the entire length of 36.

  The driving means 17 is constituted by a hydraulic cylinder 41 which is, for example, an expansion / contraction driving means. The hydraulic cylinder 41 has a cylinder body 42 and a rod 43 that enters and exits the cylinder body 42. The base end portion of the cylinder body 42 is rotatably attached to the attachment portion 44 of the top mast 25 of the work machine body 11 via the left and right shaft 45, and the distal end portion of the rod 43 is the attachment portion of the support frame 34. It is attached to 46 through a shaft 47 in the left-right direction so as to be rotatable.

  As shown in FIG. 1, when the hydraulic cylinder 41 as the driving means 17 extends to a predetermined length, the cleaning means 16 rotates the brush bristles 37 of the rotary cleaning body 32 by rotating downward about the rotation center axis X. Is set to an operating state in contact with the road surface A. In the operating state of the cleaning means 16, the working means 14 is located above the rotary cleaning body 32 and is separated from the road surface A. On the other hand, as shown in FIG. 2, when the hydraulic cylinder 41 is contracted to a predetermined length, the cleaning means 16 causes the brush bristles 37 of the rotary cleaning body 32 to move in the field B by rotating upward about the rotation center axis X. It is set to a non-acting state that separates from In the non-operating state of the cleaning means 16, the working means 14 performs the tilling work at a position below the rotary cleaning body 32.

  Next, the operation and the like of the farm work machine 1 will be described.

  When plowing and leveling work is performed using the farm work machine 1, the drive means 17 is operated to set the cleaning means 16 to the non-operating state as shown in FIG. When the agricultural machine 1 is moved forward by moving the tractor 2 forward, the tilling work is performed by the tilling body 12, the leveling work is performed by the leveling body 13, and the farm scene B becomes substantially flat. . At this time, the non-operating cleaning means 16 does not hinder the work by the working means 14.

  Further, when using the agricultural machine 1 to clean the soil dirt on the road surface A due to the traveling of the tractor 2 near the farm entrance and the like, that is, the traveling dirt marks of the wheels 5 as the traveling means of the tractor 2 as shown in FIG. Then, the driving means 17 is operated to set the cleaning means 16 to the operating state. When the agricultural machine 1 is moved forward by moving the tractor 2 forward, for example, the brush hair 37 of the rotary cleaning body 32 that rotates in the direction of the arrow in FIG. The soil a is scraped up and removed from the road surface A, and the soil a is brought close to the end of the road surface A, for example. The soil a may be returned to the field.

  The rotary cleaning body 32 may be configured to rotate in the direction opposite to the arrow direction in FIG. 1 (counterclockwise in FIG. 1). In this case, the agricultural work machine 1 is moved backward by the back travel of the tractor 2. The soil a on the road surface A is removed with the brush hairs 37 of the rotary cleaning body 32.

  Thus, according to the agricultural work machine 1, the working means 14 provided in the work machine main body 11 and the road surface A by traveling of the tractor 2 provided in the work machine main body 11 so as to be switchable between the working state and the non-working state. Unlike the conventional case, it is not necessary to remove the agricultural work machine 1 from the tractor 2 and to connect a dedicated cleaning machine to the tractor 2, when cleaning the dirt on the road surface A. The agricultural working machine 1 connected to the tractor 2 can be used as it is for cleaning work, and dirt on the road surface can be easily cleaned.

  Further, since the driving means 17 for rotating the cleaning means 16 up and down with respect to the work implement main body 11 is provided, the burden on the operator can be reduced as compared with the configuration in which the cleaning means 16 is manually moved up and down. Further, since the cleaning means 16 has a rotating cleaning body 32 that rotates and cleans dirt on the road surface A, the dirt on the road surface A can be appropriately cleaned by the rotating cleaning body 32.

  In the above-described embodiment, the configuration in which the scraping member such as the brush bristles 37 is provided over substantially the entire length of the rotating shaft 36 of the rotary cleaning body 32 has been described. For example, the scraping member is partially attached to the rotating shaft 36. For example, as shown in FIG. 4, for example, as shown in FIG. 4, the scraping member is provided only in the portion corresponding to the wheel 5 of the tractor 2 in the rotating shaft 36 with the same width dimension as the wheel 5. Etc. Although not shown in the drawing, the rotary shaft 36 is inclined at a predetermined angle with respect to the left-right direction, so that the soil a scraped up from the road surface A by the scraping member is directed from one side to the other side of the rotary cleaning body 32 in the left-right direction. You may make it guide.

  Further, the scraping member that scrapes up the soil a on the road surface A may be a rubber plate, a plastic plate or the like in addition to the brush bristle 37.

  Further, the drive means 17 for moving the cleaning means 16 up and down with respect to the work machine main body 11 may be an electric cylinder, an electric hydraulic cylinder, an electric motor or the like in addition to the hydraulic cylinder 41.

  Further, the rotary cleaning body 32 is not limited to a configuration in which power is input from the middle of a transmission means (not shown) for transmitting power to the working means 14 and rotates. For example, as shown in FIG. A configuration provided with a rotation driving means including an electric motor 51 for rotating 32 or the like may also be used.

  Furthermore, as shown in FIG. 6, the structure provided with the water supply means 53 which supplies water to the road surface A prior to the cleaning of the cleaning means 16 may be sufficient. The water supply means 53 supplies water to the road surface A at a position in front of the cleaning means 16 during the cleaning by the cleaning means 16, for example. The water supply means 53 is a water storage tank attached to the work implement body 11. 54, and a hose 55 is connected to the water storage tank 54. A water supply port 56 at the tip of the hose 55 is located between the leveling body 13 of the working means 14 and the rotary cleaning body 32 of the cleaning means 16, and water flows from the water supply port 56 toward the road surface A. Supplied. Therefore, the soil a on the road surface A can be effectively removed by the bristle 37 of the rotary cleaning body 32 or the like.

  Moreover, as shown in FIG. 7, the structure provided with the soil storage means 61 which receives and accumulate | stores the soil a from the cleaning means 16 in the advancing direction front position of the cleaning means 16 at the time of the cleaning by the cleaning means 16 may be sufficient. The soil accumulation means 61 has a support arm 62 having an upper end attached to the support 31, and a bucket 63 that is a soil accumulation part is attached to the lower end of the support arm 62. In this configuration, the soil a scraped up by the brush hair 37 of the rotary cleaning body 32 can be temporarily stored in the bucket 63.

  Furthermore, the cleaning means 16 is not limited to a rotary type having a rotary cleaning body 32 such as a rotary brush. For example, as shown in FIG. At the lower end portion of the support 31 of the cleaning means 16 shown in FIG. 8, a large number of brush bristles 65 are provided that scrape up the soil a on the road surface A and guide it to the soil accumulation means 61 using elasticity. Also in this case, it is not limited to the brush bristles 65, and a rubber plate, a plastic plate or the like may be used.

  Further, for example, dirt on the road surface A may be due to the traveling of the crawler when the traveling means of the traveling vehicle is a crawler, in addition to the traveling of the wheels 5 of the tractor 2 as a traveling vehicle.

  Furthermore, the work by the working means 14 is not limited to the tilling work, but may be a hull painting work, a ditching work, a crop harvesting work, or the like.

  Further, the cleaning means 16 is not limited to the one that scrapes and removes the soil a on the road surface A. For example, the cleaning means 16 discharges air toward the soil a on the road surface A or sucks the soil a on the road surface A. What to remove may be used.

It is a side view at the time of the action state of the cleaning means of the agricultural working machine which concerns on one embodiment of this invention. It is a side view at the time of the non-operation state of the cleaning means of an agricultural working machine same as the above. It is a top view of an agricultural working machine same as the above. It is a top view of the agricultural working machine which concerns on other embodiment of this invention. It is a side view of the agricultural working machine which concerns on other embodiment of this invention. It is a side view of the agricultural working machine which concerns on other embodiment of this invention. It is a side view of the agricultural working machine which concerns on other embodiment of this invention. It is a side view of the agricultural working machine which concerns on other embodiment of this invention.

Explanation of symbols

1 Agricultural machine 2 Tractor that is a traveling vehicle
11 Work implement body
14 Working means
16 Cleaning means
17 Drive means
32 Rotary cleaning body
53 Water supply means
61 Sedimentation means A Road surface B Farm scene

Claims (6)

A work machine body connected to the traveling vehicle;
Working means provided on the main body of the work machine for farming,
A farm working machine, comprising: a cleaning unit that is provided in the work machine main body and cleans dirt on a road surface caused by running of the traveling vehicle. The cleaning means is provided on the main body of the work machine so as to be movable up and down. The agricultural machine according to claim 1, wherein The agricultural working machine according to claim 2, further comprising a driving unit that moves the cleaning unit up and down with respect to the main body of the working machine. The agricultural working machine according to any one of claims 1 to 3, wherein the cleaning means includes a rotary cleaning body that rotates and cleans dirt on the road surface. The agricultural machine according to any one of claims 1 to 4, further comprising water supply means for supplying water to the road surface prior to cleaning of the cleaning means. The agricultural working machine according to any one of claims 1 to 5, further comprising soil storage means for receiving and storing soil from the cleaning means.

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