JP5901511B2 - Normal combine - Google Patents

Description

  The present invention relates to an ordinary combine. More specifically, the feeder case has a feeder case with a dust suction port formed in the top plate, and a feeder that conveys the harvested cereals in the feeder case, and the dust in the feeder case is sucked from the dust suction port and discharged to the outside. The present invention relates to a general combine that includes a dust suction fan and a capturing member that is attached to the dust suction port and captures cereals that flow toward the dust suction fan.

  As the above-described ordinary combine, for example, the ordinary combine described in Patent Document 1 is already known. The ordinary combine described in Patent Document 1 includes a dust suction fan (a suction dust exhaust fan in the literature) and a capturing member (a net body in the literature). The dust suction fan sucks dust in a feeder case (in the literature, feeder house) from a dust suction port and discharges it to the outside. The capture member is attached to the dust suction port and captures the cereals that flow toward the dust suction fan. Thereby, prevention of the suction | inhalation of the grain straw to a dust suction fan can be aimed at.

JP 2003-174815 A

  In the conventional ordinary combine, the trapping member is constituted by a net-like member, that is, the trapping member is provided with a plurality of rod-like members arranged so as to cross each other over the dust suction port. The cereals are easily entangled with the catching member. When a large amount of cereal tangled around the capturing member, the cereal entangled (stirwell) entangled with the capturing member becomes a resistance, making it difficult for the dust suction fan to suck the dust.

  The present invention has been made in view of the above circumstances, and an object thereof is to provide a normal combine in which the trapped cereal is less likely to be entangled with the capturing member.

  A feature of the present invention is that it has a feeder case in which a dust suction port is formed on the top plate, a feeder that conveys the harvested cereals in the feeder case, and the dust in the feeder case is sucked out from the dust suction port to the outside. And a trapping member that is attached to the dust suction port and catches the cereals that flow toward the dust suction fan, and the catching members are arranged so as not to cross each other across the dust suction port. And providing a plurality of bar-shaped members.

  According to this characteristic configuration, in the capturing member, the plurality of rod-shaped members are arranged so as not to cross each other over the dust suction port. That is, in the capturing member, a gap between adjacent rod-shaped members among the plurality of rod-shaped members is formed over the entire length of the dust suction port. Therefore, entanglement of the cereals hardly occurs between the rod-shaped members adjacent to each other among the plurality of rod-shaped members, while capturing the cereal cake flowing toward the dust suction fan with the plurality of rod-shaped members.

  Furthermore, in the present invention, it is preferable that the plurality of rod-like members are substantially parallel to the feeding direction of the feeder.

  Usually, most of the grains in the feeder case are transported in a posture that intersects the feeder transport direction. According to this characteristic configuration, since the plurality of rod-shaped members are substantially parallel to the feeding direction of the feeder, that is, since the longitudinal direction of the corn flour and the direction of the plurality of rod-shaped members intersect, It is easy to act on the cereal and the cereal that flows toward the dust suction fan can be firmly captured.

  Furthermore, in this invention, it is suitable that the said rod-shaped member is a round bar.

  According to this characteristic configuration, since the rod-shaped member does not have a corner, the cereal is difficult to be entangled with the rod-shaped member, and the cereal is difficult to break with the rod-shaped member, so that the occurrence of cut straw sucked into the dust suction fan is reduced. be able to.

  Furthermore, in the present invention, it is preferable that the dust-absorbing fan rotates about a left-right axis.

  According to this characteristic configuration, since the dust suction fan and the dust suction port do not face each other in the axial direction of the dust suction fan, even if the cereal flows from the dust suction port toward the dust suction fan, the cereal is directly directed to the dust suction fan. Hard to touch.

  Furthermore, in the present invention, it is preferable that the capturing member is configured to be detachable from the feeder case.

  According to this characteristic configuration, since the capture member can be removed and replaced, the maintainability can be improved.

  Furthermore, in the present invention, it is preferable that a fan case that covers the dust-absorbing fan is provided, and the capturing member is sandwiched and supported by the top plate of the feeder case and the lower end of the fan case.

  According to this characteristic configuration, the capturing member can be stably supported.

  Further, in the present invention, it is preferable that a projection is provided that protrudes upward from the top plate, and the capturing member and the lower end of the fan case are coupled to the projection by a fastener. .

  According to this characteristic configuration, the capturing member and the fan case can be combined and easily connected to the protruding portion. Moreover, positioning of a capture member and a fan case is easy by a protruding part.

  Furthermore, in the present invention, a pressing member that presses the lower end of the fan case from above is provided, and the pressing member, together with the fan case and the capturing member, are jointly connected to the protruding portion by the fastener. Is preferred.

  According to this characteristic configuration, the pressing member, the fan case, and the capturing member can be combined together and easily connected to the protruding portion. Further, the pressing member, the fan case, and the capturing member can be easily positioned by the protruding portion.

  Furthermore, in the present invention, it is preferable that the fastener is a wing nut or a knob nut.

  According to this characteristic configuration, since the fastener can be tightened and loosened by hand without using a tool, workability can be improved.

  Furthermore, in the present invention, it is preferable that a motor for driving the dust suction fan is provided, and a breaker for the motor is provided adjacent to the dust suction fan.

  According to this characteristic configuration, since the breaker is located in the vicinity of the motor, the wiring between the breaker and the motor can be easily routed.

It is a side view which shows a normal type combine. It is a top view which shows a normal type combine. It is side surface sectional drawing which shows a dust suction fan and a capture member. It is front sectional drawing which shows a dust suction fan and a capture member. It is a plane sectional view showing a dust suction fan and a capturing member. It is a disassembled perspective view which shows a dust suction fan and a capture member. It is a disassembled perspective view which shows the dust suction fan and capture member which concern on another embodiment.

  Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings.

  First, the overall configuration of the ordinary combine according to the present invention will be described with reference to FIGS.

  As shown in FIGS. 1 and 2, the ordinary combine is provided with a crawler type traveling machine body 1. A driving unit 2 is provided at the front of the traveling machine body 1. A threshing device 3 and a grain tank 4 are juxtaposed in the left-right direction behind the operation unit 2. Further, a cutting part 5 is provided in front of the traveling machine body 1. A feeder 6 that conveys the harvested cereal meal to the threshing device 3 is provided at the rear of the harvesting unit 5.

  As shown in FIG. 3, the feeder 6 conveys the harvested cereal meal in the feeder case 7. A front rotating body 8 is rotatably supported at the front end portion of the feeder case 7. A rear rotating body 9 is rotatably supported at the rear end portion of the feeder case 7. A pair of left and right transport chains 10 are wound around the front rotating body 8 and the rear rotating body 9. A pair of left and right transport chains 10 is provided with a transport plate 11. The pair of left and right transport chains 10 rotate forward in the direction of arrow A by a forward rotation mechanism (not shown), and reversely rotate in the direction opposite to arrow A by a reverse rotation mechanism (not shown).

  In addition, a dust suction port 70 a is formed in the top plate 70 of the feeder case 7. Above the dust suction port 70a, there is provided a dust suction fan 12 that sucks dust in the feeder case 7 from the dust suction port 70a and discharges it to the outside. The capturing member 20 described later in detail is attached to the dust suction port 70a.

  Next, the dust suction fan 12 will be described with reference to FIGS.

  As shown in FIGS. 4 to 6, the dust suction fan 12 rotates around the axis X in the left-right direction. The dust suction fan 12 is driven by a motor 13. The dust suction fan 12 is covered with a fan case 15. Further, the dust suction fan 12 is disposed in the vicinity of the left lateral end of the top plate 70 of the feeder case 7. The lower end of the rotation locus of the dust suction fan 12 is located at the periphery (or the vicinity thereof) of the dust suction port 70a. The end of the dust suction fan 12 on the downstream side in the direction of dust flow is substantially flush with the outer surface of the lateral plate portion 71 of the feeder case 7.

  The fan case 15 includes a suction side case 16 and a discharge side case 17. The suction side case 16 is arranged on the upstream side in the dust flow direction with respect to the dust suction fan 12. The discharge side case 17 is disposed downstream of the dust suction fan 12 in the direction of dust flow. The suction side case 16 and the discharge side case 17 are detachably connected (can be disconnected) by a bolt 18. A connecting portion between the suction side case 16 and the discharge side case 17 is located on substantially the same surface as the outer surface of the lateral plate portion 71 of the feeder case 7.

  The lower end of the suction side case 16 is connected to a stud bolt 24 (corresponding to a “projection” according to the present invention) protruding upward from the top plate 70 by a knob nut 25 (corresponding to a “fastener” according to the present invention). Has been. A plurality of (for example, four) stud bolts 24 protrude upward from the top plate 70. Four bolt holes 16 a into which the stud bolts 24 are inserted are formed at the lower end of the suction side case 16. The lower end of the suction side case 16 is pressed from above by a pressing frame 26 (corresponding to a “pressing member” according to the present invention). Further, a recessed portion 16 b that is recessed into the dust suction fan 12 side is formed in a portion of the suction side case 16 that faces the dust suction fan 12.

  The recessed portion 16b is formed in a portion of the suction side case 16 that opposes the direction of the dust suction fan 12 and the axis X. The recessed direction of the recessed portion 16b is the lateral direction of the airframe (left laterally outward direction).

  The motor 13 is disposed upstream of the dust suction fan 12 in the direction of dust flow. That is, the motor 13 inputs power to the dust suction fan 12 from the upstream side in the dust flow direction. The motor 13 is disposed between the dust suction port 70 a and the dust suction fan 12. The motor 13 is partitioned from a dust flow path through which dust flows. Specifically, the motor 13 is covered with a cover 19 in a section where the recessed portion 16b and the dust suction fan 12 face each other. The motor 13 is supported in a state of penetrating through the recessed portion 16b (the bottom portion of the recessed portion 16b).

  The holding frame 26 is formed with four bolt holes 26a through which the stud bolts 24 are inserted. The holding frame 26 is coupled to the stud bolt 24 by a knob nut 25 together with the lower end of the suction side case 16. That is, the holding frame 26 is coupled to the stud bolt 24 by the knob nut 25 together with the suction side case 16 and the capturing member 20. In addition, the breaker 14 for the motor 13 is attached to the holding frame 26 via an attachment stay 27. That is, the breaker 14 for the motor 13 is provided adjacent to the dust suction fan 12.

  Next, the capture member 20 will be described with reference to FIGS.

  As shown in FIGS. 4 to 6, the capturing member 20 captures the cereals that flow toward the dust suction fan 12. The capturing member 20 is sandwiched and supported by the top plate 70 of the feeder case 7 and the lower end of the suction side case 16. The capturing member 20 is configured to be detachable from the feeder case 7. Specifically, the capturing member 20 is coupled to the stud bolt 24 by a knob nut 25 together with the lower end of the suction side case 16. The capturing member 20 includes a plurality (three in this embodiment) of round bars 21 (corresponding to “bar-shaped members” according to the present invention) and a pair of front and rear support frames 22 and 23.

  The round bars 21 are arranged so as not to cross each other over the dust suction port 70a. Specifically, the round bar 21 is disposed substantially parallel to the conveyance direction (front-rear direction) of the feeder 6. Further, the three round bars 21 are arranged at a predetermined interval (for example, at equal intervals). A gap between the adjacent round bars 21 among the three round bars 21 is formed over the entire length (front-rear direction) of the dust suction port 70a. The round bar 21 is disposed only on the left side (laterally outside) of the width B in the left-right direction of the dust suction port 70a. The round bar 21 is disposed so as not to protrude above the top surface of the top plate 70 of the feeder case 7. That is, the round bar 21 is disposed on the lower surfaces of the pair of front and rear support frames 22 and 23.

  The pair of front and rear support frames 22 and 23 are arranged on the top surface of the top plate 70 of the feeder case 7. Of the pair of front and rear support frames 22 and 23, the front support frame 22 is disposed along the front edge of the dust suction port 70a. A bolt hole 22 b through which the stud bolt 24 is inserted is formed at the left end portion of the front support frame 22. A front fixing portion 22 a is formed on the front support frame 22. The front fixing portion 22a protrudes from the front side edge of the dust suction port 70a toward the center side of the dust suction port 70a. The front end portion of the round bar 21 is fixed (for example, welded or the like) to the lower surface of the front fixing portion 22a.

  The rear support frame 23 of the pair of front and rear support frames 22 and 23 is disposed along the rear edge of the dust suction port 70a. A bolt hole 23 b into which the stud bolt 24 is inserted is formed at the left end portion of the rear support frame 23. The rear support frame 23 is formed with a rear fixing portion 23a to which the rear end portion of the round bar 21 is fixed. The rear fixing portion 23a protrudes from the rear edge of the dust suction port 70a toward the center side of the dust suction port 70a. The rear end portion of the round bar 21 is fixed (for example, by welding) to the lower surface of the rear fixing portion 23a in the rear support frame 23.

  With the configuration as described above, in the capturing member 20, the three round bars 21 are arranged so as not to cross each other across the dust suction port 70a. That is, in the capturing member 20, a gap between the adjacent round bars 21 of the three round bars 21 is formed over the entire length (front-rear direction) of the dust suction port 70a. Therefore, the candy entangled between the round bars 21 adjacent to each other among the three round bars 21 while catching the cereals flowing toward the dust suction fan 12 with the three round bars 21. It is hard to occur.

  Hereinafter, another embodiment according to the present invention will be described.

(1) In the above embodiment, the capturing member 20 is provided with a pair of front and rear support frames 22 and 23. For example, as shown in FIG. One end of the support frame 23 may be connected to the support frame. In this case, bolt holes are also formed in the connection portion between the one end portion of the front support frame 22 and the support frame and the connection portion between the one end portion of the rear support frame 23 and the support frame. . Although not shown, one end portion of the front support frame 22 and one end portion of the rear support frame 23 are connected by the support frame, and the other end portion of the front support frame 22 and the rear support are supported. The other end of the frame 23 may be connected by a support frame.

(2) In the above embodiment, the round bar 21 is disposed substantially parallel to the transport direction of the feeder 6, but the round bar 21 is disposed substantially orthogonal to the transport direction of the feeder 6. Also good. Further, the round bar 21 may be arranged obliquely with respect to the feeding direction of the feeder 6.

(3) In the above embodiment, the “bar-shaped member” according to the present invention is the round bar 21, but the “bar-shaped member” according to the present invention may be a square bar (for example, a square bar having a square cross section). .

(4) In the above embodiment, there are three round bars 21, but the round bars 21 may be two or four or more.

(5) In the above embodiment, the number of stud bolts 24 is four, but the number of stud bolts 24 may be five or more.

(6) In the above embodiment, the “fastener” according to the present invention is the knob nut 25, but the “fastener” according to the present invention may be a wing nut.

(7) In the above-described embodiment, the suction side case 16 and the discharge side case 17 are detachably connected with the bolt 18, but the bolt 18 may be a knob bolt.

  The present invention has a feeder case in which a dust suction port is formed on the top plate, a feeder that transports the harvested cereals in the feeder case, and a dust suction device that sucks the dust in the feeder case from the dust suction port and discharges it to the outside. The present invention is applicable to a general combine that includes a fan and a capturing member that is attached to the dust suction port and captures the cereal straw that flows toward the dust suction fan.

6 Feeder 7 Feeder Case 12 Dust Absorption Fan 13 Motor 14 Breaker 15 Fan Case 20 Capture Member 21 Round Bar (Bar-Shaped Member)
24 Stud bolt (protruding part)
25 Knob nut (fastener)
26 Holding frame (holding member)
70 Top plate 70a Dust inlet X axis

Claims (10)

A feeder case having a dust suction port formed on the top plate, and a feeder that conveys the harvested cereal meal in the feeder case;
A dust suction fan for sucking the dust in the feeder case from the dust suction port and discharging it to the outside;
A capturing member attached to the dust suction port and capturing the cereal cake flowing toward the dust suction fan;
The said capture member is a normal type combine provided with the some rod-shaped member arrange | positioned so that it may not mutually cross over the said dust suction opening.   2. The ordinary combine according to claim 1, wherein the plurality of rod-like members are substantially parallel to a conveying direction of the feeder.   The ordinary combine according to claim 1 or 2, wherein the bar-shaped member is a round bar.   The normal type combine according to any one of claims 1 to 3, wherein the dust-absorbing fan rotates about a left-right axis.   The normal type combine according to any one of claims 1 to 4, wherein the capturing member is configured to be detachable from the feeder case. A fan case covering the dust suction fan;
The ordinary combine according to any one of claims 1 to 5, wherein the capturing member is sandwiched and supported by a top plate of the feeder case and a lower end of the fan case. Protruding portion protruding upward from the top plate,
The ordinary combine according to claim 6, wherein the capturing member and a lower end of the fan case are coupled to the projecting portion by a fastener. A holding member that holds down the lower end of the fan case from above,
8. The ordinary combine according to claim 7, wherein the pressing member is coupled to the projecting portion by the fastener together with the fan case and the capturing member.   The ordinary combine according to claim 7 or 8, wherein the fastener is a wing nut or a knob nut. A motor for driving the dust suction fan;
The ordinary combine according to any one of claims 1 to 9, wherein a breaker for the motor is provided adjacent to the dust suction fan.

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