JP4213630B2 - Agricultural machine - Google Patents

Description

  The present invention relates to an agricultural machine capable of improving work efficiency.

2. Description of the Related Art Conventionally, for example, a rotary type plowing means that performs a plowing operation while rotating, and a leveling means that has a first leveling body (level plate) and a second leveling body (rake plate) and performs leveling work behind the plowing means. A farm working machine (pick-up device) is known (for example, see Patent Document 1).
JP 2002-58304 A

  However, since the conventional farming machine is a dedicated machine that can only perform tillage leveling work, for example, seeding at the same time as the tillage leveling work or fertilization at the same time as the tillage leveling work cannot be performed, and work efficiency can be improved. There is no problem.

  This invention is made | formed in view of such a point, and it aims at providing the agricultural machine which can aim at the efficiency improvement of work.

  The agricultural machine according to claim 1 comprises a tilling means for performing tillage work while rotating, a leveling means for performing leveling work behind the tillage means, and a spreading means for spreading the material to be spread from a spraying port, The leveling means includes a first leveling body, a second leveling body provided on the first leveling body so as to be rotatable up and down, and a second leveling body provided on the second leveling body so as to be rotatable up and down. 3 ground leveling bodies, and an object to be sprayed from the spray port is sprayed at a position between the second leveling body and the third leveling body.

  In addition, it is not necessary to work using both a dedicated machine that can only cultivate land and a dedicated machine that can only scatter, and the work can be performed simultaneously with the cultivated land, thus improving work efficiency. It is done.

  The agricultural machine according to claim 2, comprising a tilling means for performing the tilling work while rotating, a leveling means for performing leveling work behind the tilling means, and a spreading means for spreading the material to be spread from the spraying port, The leveling means is provided in a first leveling body, a second leveling body that is provided on the first leveling body so as to be rotatable up and down, and has a groove forming portion, and can be rotated up and down on the second leveling body. And a third leveling body having a soil covering part, and the object to be spread from the spraying port is sprayed into the grooves formed in the groove forming part of the second leveling body. The soil is covered on the object to be scattered by the covering portion of the third leveling body.

  In addition, it is not necessary to work using both a dedicated machine that can only cultivate land and a dedicated machine that can only scatter, and the work can be performed simultaneously with the cultivated land, thus improving work efficiency. It is done.

  The agricultural machine according to claim 3 is the agricultural machine according to claim 1 or 2, wherein the third leveling body is detachable from the second leveling body.

  The third leveling body can be detached from the second leveling body when the spreading work is unnecessary.

  The agricultural machine according to claim 4 is the agricultural machine according to any one of claims 1 to 3, wherein the spraying means includes a storage part in which the object to be spread is stored, and a proximal end connected to the storage part. A sprinkling port is formed in the part, and a guide part that guides the object to be spread from the storage part to a position between the second leveling body and the third leveling body is provided.

  And it is possible to guide | inspect appropriately the to-be-scattered object from the storage part to the position between the 2nd leveling body and the 3rd leveling body in the guidance | induction part of a spreading means.

  According to the invention which concerns on Claim 1, it is not necessary to work using both the exclusive machine which can perform only a tilling work, and the exclusive machine which can perform only a spraying work, respectively, and it can spray work simultaneously with a tilling work. Therefore, work efficiency can be improved.

  According to the invention which concerns on Claim 2, it is not necessary to work using both the exclusive machine which can perform only a tilling work, and the exclusive machine which can perform only a spraying work, respectively, and it can spray work simultaneously with a tilling work Therefore, work efficiency can be improved.

  According to the third aspect of the present invention, the third leveling body can be detached from the second leveling body when the spraying work is unnecessary.

  According to the invention which concerns on Claim 4, the to-be-scattered object from the accommodating part can be appropriately guide | induced to the position between a 2nd leveling body and a 3rd leveling body in the guidance | induction part of a spreading means.

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

  1 to 3, reference numeral 1 denotes an agricultural machine. The agricultural machine 1 is moved forward by moving the tractor while the stand 2 is removed and connected to a tractor (not shown) as a traveling vehicle. It is a spraying device and a scraping device that carries out spraying work (seeding work, fertilization work, etc.) at the same time as tillage work while moving.

  The agricultural machine 1 includes a machine body 3 having a longitudinal shape in the left-right direction. The machine body 3 has a three-point connecting portion 4, and the three-point connecting portion 4 is connected to a three-point link portion of the tractor. The airframe 3 has an input shaft holding portion 5 at the center in the left-right direction. The input shaft holding portion 5 is provided with an input shaft 6 so that the input shaft 6 can rotate. The input shaft 6 is connected to the PTO shaft of the tractor with a transmission shaft or the like. Connected through.

  The body 3 is rotatably provided with a rotary type tiller 7 that performs a tilling operation while rotating with power from the input shaft 6 side. The tillage means 7 has a tillage shaft 10 installed between a chain case portion 8 and a bracket portion 9 which are spaced apart from each other, and a plurality of tillage claws 11 are radially provided on the tillage shaft 10.

  Further, the machine body 3 is provided with a leveling means 13 that performs leveling work behind the tillage means 7 and flattens the surface portion A of the field in a horizontal plane so as to be rotatable in the vertical direction.

  The leveling means 13 has at least a first leveling body 15 (leveling plate) 15 that is capable of leveling work on a leveling section 14 that is long in the left-right direction and has an inclined surface. The first leveling body 15 can be turned up and down. A rubber plate 17 is provided at the rear end of the cover portion 16 that covers the upper portion of the tillage means 7.

  In addition, a second leveling body (first rake plate) 22 that performs leveling work on the horizontal leveling leveling part 21 that is longitudinal in the left-right direction is provided at the rear end of the first leveling body 15. It is provided so as to be vertically rotatable around a shaft portion (rotation center axis) 23 in the left-right direction on the front end side of 22.

  Further, at the rear end of the second leveling body 22, a third leveling body that performs leveling work on the horizontal leveling leveling part 26 that is longitudinal in the left-right direction at the rear position of the leveling part 21 of the second leveling body 22. A (second rake plate) 27 is provided so as to be rotatable up and down around a shaft portion (rotation center axis) 28 in the left-right direction on the front end side of the third leveling body 27.

  Here, as shown in FIG. 3 thru | or FIG. 5, the 2nd leveling body 22 has the some groove | channel formation part 31 which forms the groove | channel B in the surface part A of a farm field in a rear-end part. Each groove forming portion 31 has a shape having a substantially triangular hole portion 32, and slightly protrudes downward from the rear portion of the leveling portion 21, and the amount of protrusion extends from the front end to the rear end of the groove forming portion 31. It is getting bigger gradually.

  In addition, the third leveling body 27 is composed of a plurality of sets (a pair of adjacent left and right pairs) covering the soil (seed, fertilizer, etc.) W in the groove B formed in the surface portion A of the field. ) At the front end. Each of the soil covering portions 33 has the same shape as the groove forming portion 31, that is, a shape having a substantially triangular hole portion 34, and slightly protrudes downward from the front portion of the leveling surface portion 26, and the amount of protrusion of the soil covering portion 33 It gradually increases from the front end toward the rear end. In addition, the soil covering part 33 of each group is soil in the groove | channel B by the groove | channel formation part 31 so that the groove | channel C may be formed in the surface part A of a farm field in the back part both-sides position of the corresponding one groove | channel formation part 31. It moves and covers the to-be-spread material W in the groove | channel B.

  Further, the third leveling body 27 can be attached to and detached from the second leveling body 22. That is, pin holes 38 and 39 are formed in the rear end portion of both side surface portions 36 of the second leveling body 22 and the front end portion of both side surface portions 37 of the third leveling body 27, respectively. A pin 40 with a flange that constitutes the shaft portion 28 in the left-right direction is inserted into the pin 40, and a stop pin (R pin) 41 is attached to the pin 40.

  Then, the third leveling body 27 can be removed from the second leveling body 22 by removing the retaining pin 41 from the pin 40 and then removing the pin 40 from the pin holes 38 and 39. On the contrary, the third leveling body 27 can be attached to the second leveling body 22 by inserting the pin 40 into the pin holes 38 and 39 and then attaching the stop pin 41 to the pin 40.

  In addition, the stopper part 42 comprised by the pin of the left-right direction is provided in the rear-end part of the both-sides surface part 36 of the 2nd leveling body 22, for example. The stopper portion 42 restricts the third leveling body 27 from rotating more than necessary by contact with the lower surface of the front end portion of the side surface 37 of the third leveling body 27.

  On the other hand, the airframe 3 is provided with spraying means 51 for locally spraying an object W such as seeds and fertilizer from the spraying port 50.

  The spraying means 51 has a storage portion 52 in which the object W is stored. The storage part 52 has a feeding means 53 at the lower part for feeding the object W by a predetermined amount. Supported by part 54.

  Further, the spraying means 51 is located between the second leveling body 22 and the third leveling body 27 and the rear side of the groove forming part 31 of the second leveling body 22 for the object W to be spread from the storage section 52. It has an elongate cylindrical and flexible guiding portion 55 that leads to a position.

  The guide portion 55 is configured by, for example, a flexible hose, and an upper end portion that is a base end portion of the guide portion 55 is connected to the connection port portion 53a of the feeding means 53 of the storage portion 52, and this guide A substantially circular spray port 50 that opens obliquely rearward is formed at the rear end of the groove forming portion 31 of the second leveling body 22 at the lower end that is the tip of the portion 55.

  And the guide part 55 comprised with this flexible hose is fixed by the fixing means which is not shown in figure, and the lower end part of this guide part 55 is the space part 56 between the 2nd leveling body 22 and the 3rd leveling body 27. Is located in the vicinity of the rear of the groove forming portion 31 of the second leveling body 22.

  Next, the case where it works using the agricultural machine 1 will be described.

  When the farm work machine 1 is moved forward on the farm field by the traveling of the tractor, the tilling work is performed by the tilling claws 11 of the tilling means 7, and the first to third leveling bodies 15, 22, 27 of the leveling means 13 are operated. Then, the leveling work is performed, and the spraying means 51 sprays the work W. That is, spraying work is performed simultaneously with the tilling work.

  At this time, as shown in FIG. 5 (b), the object W to be spread from the spout 50 formed at the tip of the guide portion 55 of the spreading means 51 protrudes downward from the second leveling body 22 of the leveling means 13. Is spread in the groove B formed in the surface portion A of the field by the groove-shaped groove forming portion 31, and the downwardly projecting covering soil of the third leveling body 27 on the spread object W spread in the groove B Part 33 is covered with soil. Thereafter, the surface portion A of the field is leveled in a horizontal plane at the portion of the ground leveling portion 26 of the third leveling body 27 behind the soil covering portion 33, and the groove C formed by the soil covering portion 33 disappears.

  As described above, according to the farm machine 1 of the above-described embodiment, it is not necessary to use both the dedicated machine capable of only the tilling work and the dedicated machine capable of only the spraying work. Since the agricultural work machine 1 can be used to perform spraying work simultaneously with the tilling work, that is, for example, the sowing work or the fertilizing work at the same time as the tilling work can be performed, so that the work efficiency can be improved.

  Further, when the work W is not sprayed at the time of scraping such as rough, the third is achieved by removing the retaining pin 41 from the pin 40 and then removing the pin 40 from the pin holes 38, 39. The leveling body 27 can be easily detached from the second leveling body 22.

It is a side view which shows one Embodiment of the agricultural machine of this invention. It is a rear view of a farm work machine same as the above. It is a top view of an agricultural working machine same as the above. It is a side view of the rake part of an agricultural working machine same as the above. (A) is a top view of a rake part same as the above, (b) is an operation explanatory view by the rake part.

Explanation of symbols

1 Farming machine 7 Tillage means
13 Leveling means
15 First leveling body
22 Second leveling body
27 Third leveling body
31 Groove forming part
33 Soil cover
50 spout
51 Spraying means
52 compartment
55 Guide section B Groove W W

Claims (4)

Tillage means for plowing while rotating,
Leveling means that performs leveling work behind this tillage means,
A spraying means for spraying an object to be sprayed from a spraying port;
The leveling means is:
A first leveling body;
A second leveling body provided on the first leveling body so as to be rotatable up and down;
A third leveling body provided on the second leveling body so as to be rotatable up and down;
The farm work machine, wherein the object to be spread from the spraying port is sprayed at a position between the second leveling body and the third leveling body. Tillage means for plowing while rotating,
Leveling means that performs leveling work behind this tillage means,
A spraying means for spraying an object to be sprayed from a spraying port;
The leveling means is:
A first leveling body;
A second leveling body provided on the first leveling body so as to be rotatable up and down and having a groove forming portion;
The second leveling body is provided so as to be rotatable up and down, and includes a third leveling body having a covering portion,
The material to be spread from the spray port is spread in the groove formed in the groove forming portion of the second leveling body, and the soil covering portion of the third leveling body is spread on the material to be spread in the groove. Agricultural machine characterized by being covered with soil. The agricultural implement according to claim 1 or 2, wherein the third leveling body is detachable from the second leveling body. The spraying means is
A storage section for storing the objects to be scattered;
A base end portion is connected to the storage portion, a spout is formed at the tip portion, and a guide portion that guides an object to be spread from the storage portion to a position between the second leveling body and the third leveling body. The agricultural machine according to any one of claims 1 to 3, wherein

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