JP2010035425A - Combine harvester - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To reduce the whole width of a combine harvester by retreating a sunshade member from the upper part of an auxiliary carrier to the upper side of a hopper, to prevent a bad condition in which the sunshade member collides against an obstacle and damaged when the combine harvester travels on a road and to easily store the combine harvester even in a narrow warehouse. <P>SOLUTION: The sunshade member (55) for an operator getting on the auxiliary carrier (46) is constituted movably from a projection position (α) in which the sunshade member overhangs the upper side of the hopper (5) to the external side and covers the upper part of the auxiliary carrier (46) to a storage position (β) in which the sunshade member retreats the upper part of the auxiliary carrier (46) to the upper side of the hopper (5). <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a combine equipped with a hopper for bagging threshed grains.

  Conventionally, a combine equipped with a hopper is provided with a reaping device for reaping cereals on the front side of a machine frame equipped with a traveling device, and a threshing device for threshing the culm harvested on the body frame on the rear side of the reaping device. A hopper for bagging the threshed grains in a bag on the machine frame on the side of the threshing device, a carrier for placing the bag on the machine frame below the hopper, An auxiliary carrier is provided on the outer side so as to be openable and closable around an axis in the longitudinal direction of the machine body.

And as illustrated in Patent Document 1, a technique is known in which an awning member for an operator who rides on an auxiliary carrier is fixed and provided so as to integrally cover the upper side of the auxiliary step from above the control unit. Yes.
Japanese Utility Model Publication No. 5-9236

  However, as in the technique exemplified in Patent Document 1, in the configuration in which the sunshade member is fixed so as to integrally cover the upper part of the auxiliary step from the upper part of the control unit, when the auxiliary step is closed, There is a disadvantage that the awning member protrudes outward from the fuselage and the entire width of the combine cannot be reduced, and the awning member collides with an obstacle when traveling on the road and is damaged, or the combine cannot be stored in a narrow warehouse.

In order to solve the above-mentioned problems, the present invention takes the following technical means.
That is, the invention described in claim 1 is provided with a trimming device (3) for harvesting cereals on the front side of the fuselage frame (2) provided with the traveling device (1), and a fuselage frame on the rear side of the trimming device (3). (2) A threshing device (4) for threshing the cereals harvested on the top, and a hopper for bagging the threshed grains on the machine frame (2) on the lateral side of the threshing device (4) ( 5), a carrier (45) for placing the bag on the body frame (2) below the hopper (5) is provided, and the auxiliary carrier (46) is placed on the outer side of the carrier (45) before and after the body. An awning member (55) for an operator who rides on the auxiliary carrier (46) projects outward from the upper side of the hopper (5) and is provided so as to be openable and closable around the axial core (48). (46) Overhanging position (A) covering the upper side and the auxiliary carrier (4 Upwardly from storage position retracted into the upper hopper (5)) of (b) it has freely configured moved over to the combine, wherein.

  With this configuration, the auxiliary carrier (46) is opened, and the harvesting operation is performed in a state where the operator is on the auxiliary carrier (46), and the grains are packed from the hopper (5) into the straw bag. The bag after bagging is once loaded on the auxiliary carrier (46) or directly dropped onto the field scene. In such a harvesting operation, when the sunlight is strong, the sunshade member (55) projects outward from the upper side of the hopper (5) to cover the upper side of the auxiliary carrier (46).

  When traveling on the road and storing the combine in the warehouse, the sunshade member (55) is retracted from the upper side of the auxiliary carrier (46) to the upper side of the hopper (5) and the auxiliary carrier (46) is closed to close the overall width of the combine body. Reduce.

  According to the second aspect of the present invention, the backrest (42) for an operator who rides on the auxiliary carrier (46) is retracted to the overhanging position protruding above the auxiliary carrier (46) and above the hopper (5). A connecting means (62) is provided which is configured to be movable over the retracted position and moves the awning member (55) to the extended position (A) based on the movement of the backrest (42) toward the extended position. The combine according to claim 1.

  With this configuration, when the backrest (42) projects over the auxiliary carrier (46), the sunshade member (55) automatically moves to the projecting position based on this.

  According to the first aspect of the present invention, during the harvesting operation, the auxiliary carrier (46) is opened and the sunshade member (55) is projected outward from the upper side of the hopper (5) to cover the upper side of the auxiliary carrier (46). Thereby, the working environment of the worker who gets on the auxiliary carrier (46) can be improved. When traveling on the road or when storing in the warehouse, the sunshade member (55) is retracted from the upper side of the auxiliary carrier (46) to the upper side of the hopper (5) and the auxiliary carrier (46) is closed to increase the overall width of the combine body. It is possible to prevent the sunshade member (55) from colliding with an obstacle and being damaged when traveling on the road, and it is possible to easily store the combine even in a narrow warehouse.

  According to the invention described in claim 2, in addition to the effect of the invention described in claim 1, the sunshade member (55) is automatically extended by protruding the backrest (42) above the auxiliary carrier (46). And the operability of the combine can be improved.

The embodiment of the present invention will be described by exemplifying a self-removing combine equipped with a hopper.
As shown in FIGS. 1 and 2, this combine is provided with a reaping device 3 for reaping cereals on the front side of the body frame 2 provided with the traveling device 1, and the body frame 2 on the rear side of the reaping device 3. A threshing device 4 for threshing the harvested cereals is provided on the machine frame 2 on the side of the threshing device 4, and a hopper 5 for bagging the threshed grains in a straw bag is provided.

  The traveling device 1 has left and right rolling frame frames 7 and 7 connected to lower ends of frame feet 6 and 6 extending downward from four front and rear and left and right positions of the body frame 2, and the rolling frame frames 7 and 7. A plurality of wheels 8, 8, rear end tension wheels 9, 9 and upper upper wheels 10, 10 are pivotally supported and driven by a transmission case 11 attached to the front end of the body frame 2. The crawlers 13 and 13 are wound around the sprockets 12 and 12, the rollers 8 and 8, the tension wheels 9 and 9, and the upper rollers 10 and 10.

  A control unit 14 is provided at the front of the body frame 2. The steering unit 14 is provided on the left side of the seat 17, an engine cover 16 that surrounds the engine 15, a seat 17 that is attached to the upper portion of the engine cover 16, a front operation post 18 that stands in front of the seat 17, and The side operation panel 19 is used. A front operation panel 20 is provided on the front operation post 18. A handle 21, a rearview mirror 22 attached to the handle 21, a steering lever 23, and a meter panel (illustrated) are provided on the front operation panel 20. (Omitted). On the side operation panel 19, a throttle lever 24, a main transmission lever 25, an auxiliary transmission lever 26, and a mowing / threshing clutch lever (not shown) are provided.

  The reaping device 3 is pivotally attached to a reaping suspension base (not shown) provided at the front portion of the body frame 2 with a left and right axis so that the rear end portion of the main frame 27 having a transmission shaft can be vertically rotated. The main frame 27 is extended to the lower front part, and a lower gear case 28 is fixed to the front end of the main frame 27. A weeding frame 29 is extended forward from the lower gear case 28, and the weeding frame 29 A weeding plate 30 is attached to the front end, a clipper-type cutting blade 31 is attached to the middle part in the front-rear direction of the weeding frame 29, and the pulling transmission is raised from the front part of the weeding frame 29 and the left and right ends of the lower gear case The pulling device 33 is supported between the upper end of the shaft 32 and the main frame 27 is turned up and down by a hydraulic cylinder (not shown) so that the cutting height can be adjusted.

  The threshing device 4 includes a feed chain that takes over and holds the harvested cereal mash carried from the reaping device 3, an upper handling chamber that threshs the chopped cereal conveyed by the feed chain, and the handling chamber. A sorting chamber that sorts the workpieces that have been shattered in step (all are not shown), and a waste cutter 34 that cuts the waste after threshing is attached to the rear side.

  The hopper 5 is formed in a box shape having three funnel portions 36 each having a discharge chute 35 at the lower portion, extends in the front-rear direction along the side of the threshing device 4 on the inner side of the machine body, and refracts the rear portion downward. The support frame 37 connected to the rear end surface of the machine body frame 2 and the first lifting cylinder 38 disposed on the machine body rear side surface of the threshing device 4 are provided to be supported. Reference numeral 39 denotes a second lifting cylinder that returns the second item to the second processing chamber of the threshing device 4.

  The hopper 5 includes six bag holders 40 that are located on both front and rear sides of each discharge chute 35 and that extend outward from the rear side of the discharge chute 35. The bag holder 40 is fixed at its rear end to the holder support frame 41, and the holder support frame 41 is connected to and supported by the hopper 5 side and the frame of the engine cover 16 part.

  A carrier 45 on which the bag is placed is provided on the machine body frame 2 below the hopper 5, and the auxiliary carrier 46 disposed on the outer side of the carrier 45 is provided at two locations on the front and rear sides of the outer end of the machine frame 2. The support stays 47 are attached to the support stays 47 and 47 so as to be openable and closable around the shafts 48 and 48 in the longitudinal direction of the body. As a result, the auxiliary carrier 46 can be switched between a closed state standing substantially perpendicular to the body frame 2 and an open state extending outwardly substantially parallel to the body frame 2. Reference numeral 49 denotes a hook for locking the auxiliary carrier 46 in a closed state. A vertical wall 50 is provided on the rear side of the body of the carrier 45 so as not to be caught when the bag is pulled out. The vertical wall 50 also covers the side surface of the fuel tank 51 mounted on the rear part of the body frame 2.

  Further, a rotation support stay 43 a having a stopper function is provided at a portion of the support frame 37 on the rear side of the hopper 5, and the base portion of the support arm 43 that supports the backrest 42 at the front end portion is turned up and down on the rotation support stay 43. Pivot freely. As a result, the backrest 42 is rotatable between an overhanging position protruding above the auxiliary carrier 46 and a retracted position retracted above the hopper 5.

  Then, as shown in FIG. 3, the base portions of the front and rear support arm portions 52, 52 are pivotally supported on the front and rear side walls of the hopper 5 so as to be rotatable up and down around the axis P in the longitudinal direction of the machine body. Provided with an awning support frame 53 in which the free end sides of the support arm portions 52, 52 are bent in an arc shape when viewed in the front-rear direction, and a cloth-like sheet member 54 is stretched over the arc-shaped portions before and after the awning support frame 53 Thus, the sunshade member 55 for the worker is configured. The arc-shaped portions on the free end sides of the front and rear support arm portions 52, 52 are formed in an arc centered on the axis P.

  A gear 56 is integrally attached to the base portion of the support arm 52 on the rear side, and the gear 56 is meshed with an output gear 58 of an electric motor 57 fixed to the rear side wall of the hopper 5. As shown in FIG. 2, by the forward / reverse driving of the electric motor 57, the sunshade member 55 projects outward from the upper side of the hopper 5 to cover the upper side of the auxiliary carrier 46, and the auxiliary carrier. It can be rotated from the upper position of 46 to the retracted position (b) retracted to the upper side of the hopper 5. Further, the awning member 55 can be held at an intermediate position between the overhanging position (A) and the storage position (B), and the position of the awning member 55 is adjusted according to the incident angle of the sunlight and the work environment. be able to. Therefore, at the time of harvesting work, the auxiliary carrier 46 is opened and the awning member 55 is extended outward from the upper side of the hopper 5 so as to cover the upper side of the auxiliary carrier 46, so that the working environment of the operator who rides on the auxiliary carrier 46 is improved. Can be improved. When traveling on the road or when storing in the warehouse, the sunshade member 55 is retracted from the upper side of the auxiliary carrier 46 to the upper side of the hopper 5 and the auxiliary carrier 46 is closed to reduce the overall width of the combine body. The trouble that the member 55 collides with an obstacle and breaks it can be prevented, and the combine can be easily stored even in a narrow warehouse.

  The rotation support stay 43a is provided with a switch 59 for detecting the rotation position of the support arm 43 that supports the backrest 42. When the backrest 42 projects over the auxiliary carrier 46, the switch 59 is turned on. To be configured. In addition, a potentiometer 60 for detecting the rotation angle of the support arm 52 is provided at the rotation base of the support arm 52. As shown in FIG. 4, the switch 61 and the potentiometer 60 are connected to the input side of the controller 61, while the electric motor 57 is connected to the output side of the controller 61. This block circuit is referred to as linking means 62.

  Accordingly, when the backrest 42 is rotated from the retracted position retracted to the upper side of the hopper 5 to the extended position protruding above the auxiliary carrier 46, further downward rotation is restricted by the stopper function of the rotation support stay 43. At the same time, the switch 59 is turned ON. As a result, a drive output is made from the controller 61 to the electric motor 57, the electric motor 57 is driven forward, and the sunshade member 55 is rotated to the overhanging position (A) covering the upper side of the auxiliary carrier 46 and detected by the potentiometer 60. The driving of the electric motor 57 is stopped when the turning angle of the sunshade member 55 coincides with the set angle stored in the controller 61 in advance. In this manner, by extending the backrest 42 above the auxiliary carrier 46, the sunshade member 55 can be automatically extended, and the operability of the combine can be improved.

  Further, as shown in FIG. 5, in addition to the block circuit of FIG. 4, an angle adjustment dial 63 is connected to the input side of the controller 61, and the set angle stored in the controller 61 is used to rotate the angle adjustment dial 63. You may comprise so that it can change by. Thereby, the overhang position (A) of the sunshade member 55 can be arbitrarily changed, and can be adapted to the work environment.

  Moreover, as shown in FIG. 6, you may comprise so that the attitude | position of the sunshade member 55 can be changed freely. 6A is a side view thereof, and FIGS. 6B and 6C are plan views thereof. That is, a support boss 64 in the vertical direction (substantially vertical direction) is fixed to the upper part of the rear wall of the hopper 5, and the lower end portion of the support arm 65 provided integrally with the sunshade member 55 is inserted and attached. As a result, as shown in FIG. 6B, the awning member 55 is arranged at a position covering the auxiliary carrier 46. Then, as shown in FIG. 6 (C), the sunshade member 55 can be rotated rearward manually by using the support arm 65 as a vertical axis, thereby allowing the sunshade member 55 to be stored on the road or in a warehouse. Sometimes, the sunshade member 55 can be stored so as not to protrude outward from the body width. Therefore, it is not necessary to remove the awning member 55, and handling can be facilitated.

  Further, as shown in FIG. 7, a support boss 66 in the vertical direction (substantially vertical direction) is fixed to the upper part of the rear wall of the hopper 5, and a support arm 67 provided integrally with the support boss 66 on the sunshade member 55 side. Fit the lower part of the slidably up and down. Accordingly, the height of the sunshade member 55 can be arbitrarily adjusted at a position covering the hopper 5 and the auxiliary carrier 46. Note that this height can be fixed by a knob bolt (not shown) provided on the support boss 66. Accordingly, the height of the awning member 55 can be adjusted according to the direction of sunlight, etc., and when traveling on the road, the awning member 55 can be lowered to lower the overall height of the fuselage, thereby adapting to legal regulations. In addition, the combine can be easily stored in a narrow warehouse.

  Further, as shown in FIG. 8, a vertical support boss 68 is pivotally attached to the upper part of the rear wall of the hopper 5 so as to be rotatable around an axis 69 in the longitudinal direction of the machine body. The lower part of the support arm 70 provided integrally on the member 55 side is fitted and attached. Thereby, the sunshade member 55 can adjust the posture in the left-right direction of the machine body at a position covering the hopper 5 and the auxiliary carrier 46. The awning member 55 is configured so that it can be held by a positioning mechanism (not shown) such as a knob bolt provided between the support boss 68 and the rear wall of the hopper 5.

  Further, as shown in FIG. 9, when the support boss 68 is configured to be pivotable until it is in a horizontal position, the sunshade member 55 is stored along the side of the fuselage, and is traveled on the road or stored in a warehouse. The sunshade member 55 can be stored so as not to protrude outward from the body width. Therefore, it is not necessary to remove the awning member 55, and handling can be facilitated.

  Further, as shown in FIG. 10, a vertical boss 71 is fixed to a support arm 43 that supports a backrest 42, and a support arm 72 that is integrally provided on the awning member 55 side is slidably fitted to the boss 71. Install them together. As a result, as shown in FIG. 10A, the awning member 55 can be stored by sliding the support arm 72 downward with respect to the boss 71 in a state where the backrest 42 projects over the auxiliary carrier 46. Then, as shown in FIG. 10B, in a state where the backrest 42 is overhanging on the auxiliary carrier 46, the support arm 72 is slid upward with respect to the boss 71, and the sunshade member 55 is moved to a position higher than the hopper 5. Can be raised to the working state. FIG. 10C shows a plan view of this state. Further, as shown in FIG. 10D, when the support arm 72 is once extracted from the boss 71, the direction of the awning member 55 is reversed 180 degrees, and the support arm 72 is inserted and attached to the boss 71 again, the awning member 55 is attached. Is arranged on the outer side of the machine body with respect to the auxiliary carrier 46. Thereby, the position of the sunshade member 55 can be changed according to the direction of sunlight, and the condition adaptability can be further improved.

  As shown in FIG. 11, two arc-shaped curved portions 73, 73 are formed on the free end side of the support arm 43 that supports the backrest 42, and elastic members 74, 73 are formed on the curved portions 73, 73, respectively. 74 may be attached. As a result, the holdability of the worker's body on the auxiliary carrier 46 is enhanced, and it is difficult for a problem that the worker falls due to vibration of the machine body. Moreover, the contact area of the backrest 42 to the worker's body is enlarged, and the worker is less likely to get tired. Further, by providing the curved portions 73 and 73 at two locations, two workers can work on the auxiliary carrier 46, and the work efficiency is improved.

  As shown in FIG. 12, three arc-shaped curved portions 75, 75, 75 are formed on the free end side of the support arm 43 that supports the backrest 42, and the curved portions 75, 75, 75 are Elastic members 76, 76, 76 may be attached. At this time, the positions of the three curved portions 75, 75, 75 are set according to the positions of the discharge chutes 35, 35, 35 of the three funnel portions 36, 36, 36 of the hopper 5. As a result, the holdability of the worker's body on the auxiliary carrier 46 is enhanced, and it is difficult for a problem that the worker falls due to vibration of the machine body. Further, the contact area of the backrest 42 to the worker's body is increased, and the worker is less likely to get tired. Further, by providing the curved portions 75, 75, 75 at three places, three workers can work on the auxiliary carrier 46, and the curved portions 75, 75, 75 have three discharge chutes 35, Since it is arranged at a position corresponding to 35, 35, an operator who puts his back on the curved portions 75, 75, 75 can easily carry out the bagging work, and the work efficiency is further improved.

  Further, as shown in FIG. 13, in addition to the configuration of FIG. 12, belts 77, 77, 77 for holding the operator's body may be provided on the curved portions 75, 75, 75, respectively. This makes it easier for the operator on the auxiliary carrier 46 to carry out the bagging work with both hands, and the work efficiency can be increased.

  Further, as shown in FIG. 14, the backrest 42 is refracted to have an L-shaped cross section, and the backrest 42 is rotated with respect to the free end of the support arm 43 about the longitudinal direction of the support arm 43. It is good also as a structure attached so that adjustment is possible. Thus, during cutting and threshing work, as shown by a solid line in FIG. 14A, the short side portion 42a of the backrest 42 is in contact with the operator's body on the auxiliary carrier 46 to maintain the posture. At the time of movement, as shown in FIG. 14B, the backrest 42 is slid in the longitudinal direction of the support arm 43 and then rotated and rotated 180 degrees to the position of the phantom line. The long side portion 42b of the backrest 42 It shall be possible for an operator to sit on top. Therefore, worker fatigue can be reduced.

  Further, as shown in FIG. 15, a backrest 42 is slidably attached to the free end portion of the support arm 43 in the longitudinal direction of the support arm 43, and at the base portion on the free end side of the support arm 43, The auxiliary seat 78 may be configured to be pivotable in the horizontal direction with the vertical axis 79 as a fulcrum. Accordingly, when the backrest 42 and the auxiliary seat 78 are used, as shown by the solid line, the backrest 42 is slid forward and the auxiliary seat 78 is rotated to a posture toward the hopper 5 side. Further, when the backrest 42 and the auxiliary seat 78 are not used, the backrest 42 is slid rearward of the machine body and the auxiliary seat 78 is rotated to a posture facing the rear of the machine body, as indicated by phantom lines. Thereby, cutting and threshing work and movement between fields can be easily performed.

It is a side view of a combine. It is a rear view of a combine. It is a perspective view for description of a principal part. It is a block circuit diagram. It is a block circuit diagram. It is a three-view figure of a hopper part. It is a rear view of a combine. It is a rear view of a combine. It is a rear view of a combine. It is explanatory drawing of an action state. It is a top view of a backrest. It is a top view which shows the relationship between a hopper and a backrest. It is a top view which shows the relationship between a hopper and a backrest. It is explanatory drawing of a backrest. It is explanatory drawing of a backrest.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Traveling device 2 Airframe frame 3 Harvesting device 4 Threshing device 5 Hopper 42 Backrest 45 Carrier 46 Auxiliary carrier 48 Shaft core 62 Awning member 62 Connecting means A Overhang position B Storage position

Claims (2)

  A trimming device (3) for harvesting cereals is provided on the front side of the body frame (2) provided with the traveling device (1), and the harvested stalks on the body frame (2) on the rear side of the harvesting device (3). A threshing device (4) for threshing is provided, and a hopper (5) for bagging the threshed grain in a bag is provided on the machine frame (2) on the side of the threshing device (4), and the hopper (5) A carrier (45) for placing the bag on the machine frame (2) below the machine body is provided, and the auxiliary carrier (46) is opened and closed around the axis (48) in the longitudinal direction of the machine body outside the carrier (45). An overhanging position for covering the upper side of the auxiliary carrier (46) by providing an awning member (55) for an operator who is provided freely and projects outward from the upper side of the hopper (5). A) and a hopper (5) from above the auxiliary carrier (46) Combine, characterized in that the movably constituted over a storage position retracted upward (b).   A backrest (42) for an operator who rides on the auxiliary carrier (46) is configured to be movable between an extended position protruding above the auxiliary carrier (46) and a retracted position retracted above the hopper (5). The connecting means (62) for moving the sunshade member (55) to the overhanging position (A) based on the movement of the backrest (42) toward the overhanging position side is provided. Combine.

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