JP6034597B2 - Agricultural machine - Google Patents

Description

  The present invention relates to an agricultural machine capable of preventing scattering of an object to be spread.

  Conventionally, for example, an agricultural machine described in Patent Document 1 is known.

  As shown in FIG. 8, this conventional farm work machine includes a cultivating body 1 that performs a cultivating operation while rotating, a container 2 that accommodates an object to be spread such as a medicine, and a drop that is positioned in front of the cultivating body 1. An elongated cylindrical guide body 4 having a mouth portion 3 at the lower end portion for guiding an object to be spread from the container 2 and dropping from the drop mouth portion 3, and a box shape in which the lower end portion of the guide body 4 is inserted. The diffusion plate 5 is provided.

JP 2002-84843 A (FIG. 1)

  However, in the conventional agricultural machine described above, for example, under the influence of the wind generated by the surrounding wind and the cultivated soil jumping out, there is a risk that the material to be scattered will rise in the atmosphere and be scattered.

  This invention is made | formed in view of such a point, and it aims at providing the agricultural machine which can prevent scattering of a to-be-dispersed object, and can perform an appropriate spraying operation | work.

請 Motomeko 1 agricultural machine according includes a housing body which the spray material is accommodated, has a drop port which is positioned in front of the plow body, the chute guides the object to be sprayed material from the container a guide member to drop from the parts, a positioning member for positioning the guide member has a mounted plates portion which the positioning member is attached to the front end, and the tilling cover portion for covering the upper portion of the plow body, wherein Disposed in front of the drop mouth portion so as to come into contact with the cultivated soil from the tillage body, and provided with a scattering prevention body for preventing scattering of the object to be spread, the scattering prevention body is attached to the positioning body, In addition, the elastic member is configured by an elastically deformable elastic member, and the length of the elastic member in the vertical direction is such that an imaginary inclined line having an inclination angle of 25 ° to 60 ° passes through the lower end of the elastic member. And the virtual inclination line is inclined with respect to the field before tilling. It is a line which inclines with a degree and passes through the point of the rear end portion of the attached plate portion of the tillage cover portion.

  According to the present invention, since the anti-scattering body is disposed in front of the drop port portion of the guide body, it is possible to prevent the object to be scattered from scattering and to perform an appropriate spraying operation.

It is a side view of the agricultural working machine which concerns on one embodiment of this invention. It is a front view of an agricultural working machine same as the above. It is a side view of the elastic member of an agricultural working machine same as the above. It is a side view of the elastic member of the agricultural working machine which concerns on other embodiment of this invention. It is a front view of the agricultural working machine which concerns on other embodiment of this invention. It is a front view of the diffusion nozzle and elastic member of an agricultural working machine same as the above. It is a side view of a diffusion nozzle and an elastic member same as the above. It is a side view which shows the conventional agricultural working machine.

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

  In the figure, reference numeral 10 denotes an agricultural machine. The agricultural machine 10 is connected to a rear portion of a tractor (not shown) that is a traveling vehicle, for example. Tillage leveling work is performed. In other words, the farm work machine 10 is a work machine in which a pair of left and right spreaders 11 that perform a spreading work for spreading the material W to be spread on a farm field are mounted on the rotary 12. In addition, the to-be-spread material W is a powdery or granular chemical | medical agent, a fertilizer, a seed, etc., for example.

  The farm work machine 10 includes a machine body 13 detachably connected to a three-point link hitch part (work machine lifting support part) at the rear of a tractor (not shown).

  The airframe 13 has a frame pipe portion 15 that is a frame portion that is longitudinal in the left-right direction, and an input shaft holding portion 16 is provided at the center in the longitudinal direction of the frame pipe portion 15. The shaft 17 is rotatably held. The input shaft 17 is connected to a PTO shaft of a tractor (not shown) via power transmission means.

  Further, the machine body 13 is rotatably provided with a cultivating body 21 that performs a cultivating work while rotating in a predetermined direction (rotation direction shown in FIG. 1) by power from the input shaft 17 side. The tillage body 21 has a left and right tillage shaft 23 rotatably supported by a pair of left and right support portions 22 of the machine body 13 and a plurality of tillage claws 24 attached to the tillage shaft 23. Yes.

  Further, the upper portion of the tillage body 21 is covered with a plate-like tillage cover portion 26 of the body 13. The tillage cover portion 26 is formed in a curved plate shape that is convex upward. Further, a plate-shaped leveling body (level plate) 27 that performs leveling work behind the tillage body 21 is provided at the rear end of the tillage cover portion 26 so as to be rotatable in the vertical direction.

  In addition, a hopper-like container 31 that is slightly elongated in the left-right direction is attached to the machine body 13, and the object to be spread W is stored in the container 31. The container 31 has a box shape having an upper surface opening 32, and the upper surface opening 32 can be opened and closed by a lid 33. The container 31 has a plurality of discharge cylinders 35 having upper and lower surface openings for discharging the object W to be directed downward, and the plurality of discharge cylinders 35 are arranged at intervals in the left-right direction. It is out.

  In the lower part in the container 31, a left-right longitudinally extending rotary body 36 for supplying the material W to be delivered to the discharge cylinder portion 35 is rotatably disposed. The rotating body 36 is rotated by the power from the motor in the motor box 37 and supplies the material W to be discharged to the discharge cylinder portion 35 side.

  Further, an upper end portion of a guide body 41 that guides the article W to be spread from the housing body 31 and drops it from the dropping port portion 43 at the lower end portion is attached to each discharge cylinder portion 35 of the housing body 31.

  Each guide body 41 is composed only of a flexible guide hose 42 having an elongated cylindrical shape whose upper and lower surfaces are open, and the upper end portion of the guide hose 42 is attached to the outer peripheral side of the discharge cylinder portion 35. The opening on the lower surface of the guide hose 42 is a drop opening 43 that opens downward, and the drop opening 43 is located on the upper front side of the tillage body 21. The plurality of drop opening portions 43 are arranged in the left-right direction at equal intervals.

  A horizontal plate-like positioning body 46 for positioning a plurality of guide bodies 41 is attached to a horizontal attached plate portion 26a at the front end portion of the tilling cover portion 26 of the machine body 13 (for example, bolts and nuts). At 47, it is detachable.

  The positioning body 46 includes a horizontal mounting plate portion 48 attached to the mounting plate portion 26a of the tillage cover portion 26, and a vertical protruding plate portion 49 protruding downward from the front end portion of the mounting plate portion 48. The lower end portion of the protruding plate portion 49 is a free end portion. Both the mounting plate portion 48 and the protruding plate portion 49 are formed in a rectangular plate shape having a longitudinal direction in the left-right direction.

  The mounting plate portion 48 has the same number of positioning holes 51 as the number of the guide hoses 42, and the lower ends of the guide hoses 42 are inserted and held in the positioning holes 51. That is, the lower end portion of the guide hose 42 is positioned at a predetermined position by the positioning hole 51.

  Further, on the front surface of the projecting plate portion 49 of the positioning body 46, a plate-like scattering prevention for preventing the scattered object W that has fallen from the dropping port portion 43 of the guide hose 42 in front of the tillage body 21 from scattering into the atmosphere. A body 55 is attached over the entire length of the positioning body 46.

  The anti-scattering body 55 is disposed at a position near the front of the drop port 43 so as to come into contact with the cultivated soil from the cultivating body 21. That is, the anti-scattering body 55 protrudes downward from the front portion of the positioning body 46, and at least a part of the anti-scattering body 55 is located below the drop opening 43. In other words, the forward portion below the drop opening 43 is covered with the scattering prevention body 55.

  The scattering prevention body 55 is constituted by an elastic plate 56 that is an elastic member that can be elastically deformed, for example, as a single plate. The elastic plate 56 is formed in a rectangular plate shape having a longitudinal direction in the left-right direction, and the length (horizontal dimension) of the elastic plate 56 in the left-right direction and the length in the axial direction of the tillage body 21 are substantially the same. The elastic plate 56 covers at least the front portion of the lower end portion of the guide hose 42.

  Further, the upper end portion of the elastic plate 56 is detachably attached to the front surface of the protruding plate portion 49, and the elastic plate 56 has a planar shape along the vertical plane before being elastically deformed. During operation, the cultivated soil that protrudes diagonally forward and downward from the rotating cultivating body 21 always comes into contact with the rear surface of the elastic plate 56. Therefore, the elastic plate 56 is elastically deformed by the external force received from the cultivated soil and has a curved surface shape. Become. The elastic plate 56 is formed of, for example, rubber or resin that is difficult to adhere to soil.

  In addition, A in FIG. 3 is a virtual inclination line which inclines with the inclination | tilt angle (alpha) with respect to the agricultural field scene before tilling, and passes along the point P of the rear-end part of the to-be-attached board part 26a of the tilling cover part 26.

  The vertical dimension (vertical dimension) B of the elastic plate 56 is set such that, for example, the virtual inclination line A with the inclination angle α = 60 ° passes through the point Q at the lower end of the elastic plate 56. Note that the dimension B of the elastic plate 56 may be a dimension in which the virtual inclination line A within the range of the inclination angle α of 25 ° to 60 ° (preferably 40 ° to 50 °) passes through the lower end portion of the elastic plate 56. .

  Next, the operation of the agricultural machine 10 will be described.

  As shown in FIG. 1, when the farm work machine 10 is moved in the traveling direction by running the tractor, the tilling work is performed by the tiller 21 of the rotary 12, and the leveling work is performed by the leveling body 27 behind the tiller 21. Is done.

  In addition, the rotating body 36 rotates in the container 31 of the spreader 11, and the article to be spread W is discharged through the discharge cylinder portion 35 in accordance with this rotation.

  The discharged object W passes through the guide hose 42 and falls downward from the drop opening 43 of the guide hose 42 in front of the tillage body 21.

  Since the fallen object W is blocked by the elastic plate 56 from the influence of the surrounding wind from the front side, it does not scatter in the atmosphere and comes into contact with the cultivated soil that has jumped out of the cultivating body 21. Is done. In this way, the operation of spreading the object to be spread W is performed.

  According to the agricultural machine 10, since the elastic plate 56, which is the scattering prevention body 55, is disposed in front of the drop port portion 43 of the guide body 41, the guide body 41 is less affected by the surrounding wind. It is possible to prevent the object W, which has fallen from the drop opening 43, from being scattered into the atmosphere, and to perform appropriate spraying work.

  In addition, the elastic plate 56 that is the scattering prevention body 55 is disposed so as to come into contact with the tilled soil that protrudes diagonally forward and downward from the rotating tillage body 21, so that the tilled soil that has contacted the elastic plate 56 And the object to be spread W can be mixed easily, and more appropriate spraying work can be performed.

  For example, as shown in FIG. 4, the elastic plate 56 may have a lower end located in the vicinity of the upper part of the field scene before tilling.

  Further, the farm work machine 10 may be as shown in FIGS.

  In the agricultural machine 10 shown in FIGS. 5 to 7, each guide body 41 includes a guide hose 42 and a nozzle (which is attached to the lower end portion of the guide hose 42 and diffuses the material W to be dropped from the drop opening 43. (Diffusion nozzle) 61. The nozzle 61 is formed in a wide shape toward the lower side, and the lower surface opening of the nozzle 61 serves as a drop port 43.

  The guide body 41 is supported by a guide body support (not shown) attached to the frame pipe portion 15 of the machine body 13, and is positioned at a predetermined position.

  Further, the scattering prevention body 55 for preventing the scattered object W from scattering into the atmosphere is composed of divided elastic plates 62 which are elastically deformable elastic members having the same number of rectangular plates as the number of nozzles 61. Yes. The split elastic plate 62 is formed in a rectangular plate shape that is slightly long in the vertical direction.

  Further, the upper end portion of the divided elastic plate 62 is detachably attached to the front surface of the lower end portion of the nozzle 61, and this divided elastic plate 62, like the elastic plate 56, is along the vertical plane in the state before elastic deformation. It is flat. During the work, the cultivated soil that protrudes diagonally forward and downward from the rotating cultivating body 21 always contacts the rear surface of the elastic plate 56. Therefore, the split elastic plate 62 is elastically deformed by the external force received from the cultivated soil and is curved. It becomes. The elastic plate 62 is made of, for example, rubber or resin that hardly adheres to soil.

  And even if it is the structure which provided the division | segmentation elastic board 62 for every guide body 41 like the agricultural machine 10 shown in FIG. 5 thru | or FIG. 7, it becomes difficult to receive the influence of a surrounding wind, and the fall opening part 43 of the guide body 41 is provided. It is possible to prevent the scattered object W falling from the atmosphere from being scattered into the atmosphere and to achieve the same operational effects as in the above-described one embodiment, such as being able to perform an appropriate spraying operation.

  Moreover, in each embodiment, the scattering prevention body 55 is not limited to what consists of an elastic member which can be elastically deformed, For example, a flexible sheet member, a rigid member, etc. may be sufficient. That is, the material etc. of the scattering prevention body 55 are arbitrary.

  Further, for example, it is preferable that the scattering prevention body 55 is made of a transparent member. In this case, for example, an operator riding on the tractor can easily check the spreading state of the article W to be scattered, and the scattering prevention body 55 You can easily check the condition of the soil attached to the soil.

  Furthermore, for example, a configuration in which the scattering prevention body 55 is attached to the machine body 13 or a configuration in which the scattering prevention body 55 is attached to the lower end portion of the guide hose 42 may be used.

  Moreover, the to-be-spread material W is not limited to a powder form or a granular thing, for example, A liquid thing may be sufficient.

10 Farm machine
21 Tillage
26 Tillage cover
26a Mounted plate
31 Container
41 Guide
43 Drop port
46 Positioning body
55 Anti-scattering body
56 Elastic plate as an elastic member
61 nozzles
62 Divided elastic plate which is an elastic member W Object to be spread A Virtual inclined line B Vertical length P Point at the rear end of the plate to be attached to the cultivation cover part α Inclination angle

Claims (1)

A container in which the objects to be scattered are stored;
A guide body that has a drop opening located in front of the tillage body, guides the object to be spread from the container, and drops the drop from the drop opening;
A positioning body for positioning the guide body;
Has mounted plates portion which the positioning member is attached to the front end, and the tilling cover portion for covering the upper portion of the tillage member,
It is disposed so as to come into contact with the cultivated soil from the tillage body in front of the dropping port part, and includes a scattering prevention body for preventing scattering of the object to be scattered,
The scattering prevention body is attached to the positioning body, and is constituted by an elastic member that can be elastically deformed,
Vertical length of the elastic member, the inclination angle is sized to the virtual inclined line in the range of 25 ° to 60 ° passing through the lower end portion of the elastic member,
Said virtual inclined line, agricultural work you characterized in that said line passing through the points of the rear end portion of the attachment plate portion of the inclination angle and inclined at a and the tilling cover portion with respect to the field surface before tilling Machine.

Images