KR102420282B1 - Combine - Google Patents

Abstract

[Problem] The entanglement of the grain stem to the rotation fulcrum axis of the dusting member and the site|part in the vicinity shall be reduced, and it shall be possible to dust a grain stem smoothly.
[Solution means] The mowing device 4 is provided with a mowing member 11 for dusting a grain stem in the front part of the mowing frame 10 provided, and a mowing device 4 is provided on the left and right sides of the mowing device 4, and the mowing frame 10 is provided. ) is composed of a first frame 10r along the front-rear direction of the traveling vehicle body 1 and a second frame 10f in which the dusting member 11 is installed, and the rear end of the second frame 10f is part of the first frame ( 10r) is supported so as to be rotatably left and right around the pivot shaft 17 with respect to the front end portion, and the grain stem divided by the weeding member 11 in the second frame 10f is outside of the pivot shaft 17. The grain stem guide member 21 for guiding is integrally attached, and the front end and the rear end of the second frame 10f are connected with the grain stem guide member 21 .

Description

Combine {COMBINE}

The present invention relates to a combine.

As shown in Patent Document 1, the grain stem introduced into the mowing apparatus by changing the spacing of the dusting members on the left and right sides by installing the dusting member provided on the mowing branch side of the conventional mowing apparatus so as to be rotatable in and out of the left and right sides. A combine configured to change the tide of (穀稈) is known.

Japanese Patent Laid-Open No. 2006-158332

As mentioned above, when the planting member with which the mowing apparatus was equipped on the base mowing branch side is installed so that left-right rotation is possible, it becomes easy to generate|occur|produce the problem that a grain stem gets entangled in this rotation part, and this grain stem cuts.

In addition, in the combine described in Patent Document 1, the rigidity of the dusting and planting frame supporting the dusting and planting member on the mowing side side is low, and there is a fear that the dusting and planting frame is deformed due to the plunge of the dusting member into the pavement surface or the like.

The subject of this invention is to increase the rigidity of this dusting member while reducing the entanglement of the grain stem to this rotation part, making a dusting member rotatable left and right.

The present invention devised the following technical means in order to solve the above problems.

That is, in the invention described in claim 1, the threshing device 3 is installed on the traveling vehicle body 1, the mowing device 4 is installed in front of the threshing device 3, and the mowing device 4 is provided. In a combine in which a mowing member 11 for mowing a grain stem is installed in the front part of one mowing frame 10, a mowing frame 10 provided on one left and right side of the mowing device 4 is installed on the traveling vehicle body (1) It is composed of a first frame 10r along the front-rear direction and a second frame 10f provided with a dividing member 11, and the rear end of the second frame 10f is the front end of the first frame 10r. It is supported so as to be rotatably left and right around the pivot point axis 17 with respect to the part, and the grain stem divided by the dusting member 11 on the second frame 10f is guided to the outside of the pivot point axis 17 It is a combine characterized in that the grain stem guide member (21) is integrally attached, and the front end and the rear end of the second frame (10f) are connected by the grain stem guide member (21).

The invention of Claim 2 is the combine of Claim 1 provided with the rotation regulating means 24 which regulates the left-right rotation angle of the said 2nd frame 10f in the site|part near the said rotation fulcrum axis 17. As shown in FIG.

In invention of Claim 3, the said rotation regulating means 24 has the 1st frame 10r side lifting device support member 25 which supports the grain stem lifting device 12, The said 2nd frame 10f The claim is formed by a plate 123 fixed to the rear end of the frame, and the left and right rotation angle of the second frame 10f is controlled by the contact between the lifting device support member 25 and the plate 123. It is the combine described in 2.

The invention according to claim 4 is any one of claims 1 to 3 provided with a dusting guide rod 200 that slopes upward from the upper surface of the dusting member 11 to the upper front surface of the grain stem lifting device 12. It is a combine described in one item.

The invention according to claim 5 is the combine according to claim 4 in which the division guide rod 200 is rotatably provided with the longitudinal axis as the center.

In the invention described in claim 6, the dusting member (11) is installed with an inclined back upward, and a dusting guide rod (207) spanning from the upper surface of the front part of the dusting member (11) to the rear surface of the dusting member (11). It is a combine according to any one of claims 1 to 3 equipped with.

(Effects of the Invention)

According to the invention described in claim 1, the width of the introduction path of the grain stem can be changed by rotating the second frame 10f provided with the dusting member 11 left and right, and the grain stem that does not fit into the width of the introduction path can be removed. Since it guides to the outer side of the rotation fulcrum axis 17 by the grain stem guide member 21, the entanglement of the grain stem to this rotation fulcrum axis 17 and the site|part of the vicinity decreases, and a grain stem can be divided smoothly.

In addition, since the rigidity of the second frame 10f constituting the front portion of the dusting frame 10 is increased, it is possible to reduce deformation even when the dusting member 11 plunges into the pavement surface. Moreover, the rigidity of the grain stem guide member 21 also becomes high, the deformation|transformation of this grain stem guide member 21 itself also decreases, and a grain stem guide action can be maintained smoothly.

According to the invention described in claim 2, in addition to the effect of the invention described in claim 1, by regulating excessive left and right rotation of the second frame 10f, the posture of the weeding member 11 is maintained in a range suitable for mowing work, The fall of the grain stem by the member 11 can be prevented.

According to the invention described in claim 3, in addition to the effects of the invention described in claim 2, the rotation regulating means 24 for regulating the left and right rotation angle of the second frame 10f can be configured simply.

According to the invention described in claim 4, in addition to the effects of the invention described in any one of claims 1 to 3, the dusting guide rod spanning from the upper surface of the dusting member 11 to the upper front surface of the grain stem lifting device 12 The grain stem is divided by 200, and it can guide smoothly to the grain stem lifting device 12, and can raise it up.

According to the invention described in claim 5, in addition to the effect of the invention described in claim 4, since the dividing and cutting guide rod 200 rotates by contact with the divided grain stem, entanglement or breakage of the grain stem at the time of dividing and dividing is reduced. do.

According to the invention described in claim 6, in addition to the effects of the invention described in any one of claims 1 to 3, the dusting guide rod 207 extending from the front upper surface of the dusting member 11 to the rear rear surface of the grain stem is installed. It is possible to smoothly guide the grain stem to the grain stem lifting device 12 by adjusting the rotation according to the rolling direction, and to raise it up.

1 is a side view of the combine;
2 is a side view of the main part of the harvesting device;
3 is a front view of the main part of the harvesting device;
Figure 4 is a cut-away front view of the frame for explanation;
5 is a side view of the minute frame part;
6 is a plan view of the minute frame part;
7 is a side view of the operating lever;
8 is a side view of the minute frame part;
9 is a plan view of the minute frame part;
10 is a plan view of the minute seconds frame part;
11 is an explanatory view showing a cross-section of a pivot point axis portion;
12 is a plan view of the front frame of the minute chord;
13 is a side view of the front frame of the mincho;
14 is a front view of the main part of the mowing apparatus in another embodiment;
Fig. 15 is a side view of the division frame part in Fig. 14;
16 is a front view of the main part of the mowing apparatus in another embodiment;
Fig. 17 is a side view of the dividing frame part in Fig. 16;

1, the traveling body 1 of the combine is equipped with the traveling crawlers 2 on either side, and the threshing apparatus 3 is mounted on the site|part on the left side of the traveling vehicle body 1, The threshing apparatus 3 Install the mowing device (4) in front of the. Between the harvesting apparatus 4 and the grain tank G provided on the right side of the threshing apparatus 3, the operation|operation operation part provided with the driver's seat 5 and the operation box 6 is provided.

The mowing device 4 supports the front part of the mowing support frame 7 which can be rotated up and down with respect to the traveling body 1, and between the mowing support frame 7 and the traveling body 1, the harvesting raising/lowering cylinder 8 is provided. install

To the front end of the mowing support frame 7, the left-right middle part of the horizontal support frame 9 along the left-right direction is connected, and from the horizontal support frame 9 toward the front of the body, a plurality of cutting frames 10 in the left-right direction They are installed consecutively at a predetermined interval.

The front end of the dusting frame 10 supports the dusting member 11 of an inverted triangular shape when viewed from the front.

This dusting and weeding member 11 includes a left-end grass-dusting member 11L and a right-end grass-bowing member 11R (the dust-dusting member 11 according to the claim) for splitting left and right ends of the grain stem of the pavement, and a plurality of pieces arranged in the middle It is constituted by (three in the embodiment) intermediate dividing and dividing members 11c.

The mowing apparatus 4 is the dusting member 11, and several grain stem raising apparatus 12 (the left end grain stem lifting apparatus 12L, center two grain stem lifting apparatus 12C which raises the grain stem after dusting) ), the right end grain stem lifting device 12R], a rake conveying device having a rake belt 14 and a rake star wheel 115 for scraping the grain stem during raising, and mowing the grain stem after rake The blade apparatus 13 and the raising conveyance apparatus 16 which supplies the grain stem after rake conveyance to the threshing apparatus 3 are provided.

In addition, the ground height (H1) of the dividing and cutting frames (10, 10) of the left and right outer ends is set higher than the height of the ground (H1>H2) of the middle dividing and cutting frames (10) of the middle part in the left and right direction (H1>H2), It's to prevent bloating.

(Rotational structure of the branching member)

As shown in FIGS. 4, 5, and 8-10 , the right-end dusting and cutting frame 10 provided with the right-end dusting member 11R is rearward than the pivot shaft 17 (the blade device 13 side). It is composed of a split-second rear frame (first frame) 10r of , and a split-second front frame (second frame) 10f on the forward side (secondary frame member 11R side) from the pivot axis 17 .

That is, the rear end of the front end of the front frame 10f is supported so as to be rotatable left and right around the pivot axis 17 with respect to the front end of the rear frame 10r.

The Buncho rear frame 10r is fixed to the side of the horizontal support frame 9 and extends forward, and the frame 110 is fixed to the front end of the frame 110 to rotatably support the Buncho front frame 10f. A supporting member 111 is provided.

The front frame 10f is provided at the front end of the supported member 121 supported by the supporting member 111, the frame 120 fixed to the supported member 121, and the frame 120, A dust-scattering member support part 122 for supporting the dust-scattering member 11R of the right end is provided.

By inserting the pivot shaft 17, which is a cylindrical pin, into the concentric holes formed in the support member 111 and the member 121 to be supported, the rear end of the front frame 10f is the front end of the rear frame 10r. It is rotatably supported in the left and right directions with respect to the

The support member 111 is fixed to the front end of the Buncho rear frame 10r by welding, and a cylindrical boss 111a into which the pivot shaft 17 is inserted, and the boss 111a inserted into the inside. It is composed of a cylindrical bush (111b). In addition, the axial center of the cylinder of the boss 111a is coaxial with the axial center of the rotation fulcrum axis 17. As shown in FIG.

12 and 13 , the supported member 121 includes an upper plate (plate) 123 and a lower plate 124 in which holes 123a and 124a through which the pivot axis 17 passes are formed, respectively. , has a connection plate 125 that connects the upper plate 123 and the lower plate 124 and welds the rear end of the frame 120 . In addition, the upper plate 123 and the lower plate 124 are fixed to the connection plate 125 by welding at a distance substantially equal to or wider than the width in the vertical direction of the boss 111a of the support member 111 .

With this configuration, the boss of the support member 111 is inserted into the gap in the vertical direction between the upper plate 123 and the lower plate 124 of the supported member 121, so that the shaft center of the boss 111a and the upper plate ( 123) and the axial centers of the holes 123a and 124a of the lower plate 124 are matched, and by inserting the pivot shaft 17 therein, the front frame 10f can be rotated left and right around the pivot shaft 17. In this state, it is supported by the Mincho rear frame 10r.

With this configuration, in the right-end dividing and dividing member 11R, the dividing front frame 10f rotates left and right around the rotation fulcrum axis 17, so that the tip (front end) of the right-end dividing member 11R is rotated by the rotation fulcrum axis. (17), the closed state located inside (left) in the cutting width direction, and the front-end|tip part can switch to the open state located outside (right side) in the cutting width direction rather than the pivot axis 17. In addition, it is good also as the structure which can rotate left and right similarly to this right-end dusting and cutting member 11L of 11L of the left-end.

(Rotation regulation structure of the branching member)

As shown in Figs. 4, 5, and 8 to 13, a portion near the pivot axis 17, that is, between the rear end of the split-second front frame 10f and the front end of the split-second rear frame 10r, is a split-second front The rotation regulating means 24 for regulating the left-right rotation outside the set range of the dividing member 11R is provided by regulating the left-right rotation angle range of the frame 10f. The rotation regulating means 24 includes a regulating portion 135 provided on the side of the rear frame 10r and a restricted portion 136 provided on the side of the front frame 10f. Thereby, the excessive left-right rotation of 11R of the right-end grass-scattering members is regulated, and it can prevent overturning of the grain stem by 11R of dust-dusting members and the dusting and cutting front frame 10f.

A lifting support pipe (lifting device support member) 25 for supporting the lower portion of the grain stem lifting device 12 is erected on the Buncho rear frame 10r, and the lower portion of the lifting support pipe 25 is controlled by a regulating part ( 135).

As shown in FIG. 12 , the restricted portion 136 has an engaging concave portion 123d formed on the rear edge of the upper plate 123 . The engagement recessed portion 123d projects two projections 123c rearward from the base portion 123b, which is a portion of the upper plate 123 in which the hole 123a is formed, and between the two projections 123c. It is formed as a concave portion in a semicircular shape.

With this configuration, when the dusting and weeding member 11R at the right end rotates inward (left) in the cutting width direction to be in a closed state, the left protrusion 123c among the two protrusions 123c lifts up the supporting pipe 25. In contact with the regulating portion 135 at the lower portion of the right-end dusting member (11R) to control the rotation to the left rather than the closed state. Similarly, when the dusting and weeding member 11R at the right end rotates outward (right) in the cutting width direction to open state, the right protrusion 123c among the two protrusions 123c raises the lower part of the support pipe 25. It is in contact with the regulating part 135, and the right-end dusting member 11R is regulated from rotating to the right rather than the open state.

(Bundo front frame)

12 and 13 , the frame 120 of the front frame 10f includes a first frame portion 120a extending forward and downward from the connection frame 125 of the supported member 121, and , has a second frame portion 120b that is connected to the front end of the first frame portion 120a and extends forward and to the right, and a dusting member support portion 122 is welded to the front end portion of the second frame portion 120b. fixed by means such as

(minute second guide rod)

12, 13, a non-mowing object grain stem (grain stem guided to the outside of the mowing width rather than the dusting and grass member 11R) is rotated on the rear side of 11R of dusting and grassing members of the right end by 11R of dusting and cutting members. The dusting and sheathing guide rod (grain stem guide member) 21 which guides outward rather than the shaft 17 is provided. The dusting guide rod 21 is integrally attached to its front end to the dusting member supporting part 122 by welding, and its rear end is integrally attached to the supported member 121 by welding. Therefore, the division guide rod 21 is left and right around the rotation point axis 17 together with the division front frame 10f and the division member 11R when the division front frame 10f rotates around the rotation point axis 17. rotate

The front end of the dusting guide rod 21 is fixed to a site on the front side of the dusting member support 122 from the portion connected to the front end of the second frame portion 120b by welding. In addition, the rear end of the dividing guide rod 21 is fixed to the outer end of the lateral extension portion 125a integral with the connection plate 125 of the supported member 121 by welding. That is, the division guide rod 21 increases the rigidity of the division and division front frame 10f by connecting the division member support 122 (the front end of the second frame 10f) and the rear end of the division and division front frame 10f.

The division guide rod 21 is a round bar-shaped member, and has an inclined posture so as to move away from the division front frame 10f as it goes from the front to the rear when viewed from the side, and when viewed from the side, the first frame portion 120a ) and installed in a parallel position.

In addition, the division guide rod 21 has its front end disposed at a higher position than the front end of the second frame portion 120b, and its rear end is disposed at a higher position than the rear end of the first frame portion 120a.

(Linking structure of the operation lever and the branching member)

The operation lever 26 for switching the dusting member 11R into an open state and a closed state is arrange|positioned on the left side of the driver's seat 5 in a driving operation part.

This operation lever 26 and the right-end dividing member 11R are connected by an operation wire 19 . In addition, a return spring 140 biasing the dusting member 11R toward the closed state is provided.

When the operation wire 19 is pulled by the operation of the operation lever 26 to one side of the front and rear sides, it resists the biasing force of the return spring 140 and the splitting member 11R moves in the right direction (direction to open state). When it rotates and the actuating wire 19 is loosened by the operation of the operating lever 26 to the front and the other side, the biasing force of the return spring 140 causes the splitting member 11R to move to the left (direction to be closed). ) is rotated to

The front end of the wire outer 19b covering the actuating wire 19 is attached to a stay 112 installed in the Buncho rear frame 10r.

The end of the wire 19a on the splitting member 11R side is attached to the side extension 125a of the connecting plate 125 via a spring 20 . The actuating wire 19 is routed to the outside of the frame 110 along the frame 110 of the rear frame 10r. In addition, the stay 112 is welded to the outer side (right side) of the frame 110 in the intermediate part in the front-back direction of the frame 110, and is provided.

In addition, the rear end of the return spring 140 is attached to the stay 113 welded to the rear portion of the Buncho rear frame 10r, and the front end of the return spring 140 is greater than the pivot axis of the connecting plate 125 . It is attached to the stay (125b) connected to the left side. That is, the return spring 140 is disposed on the inner side (left side) of the Bundcho rear frame 10r.

(Opening and closing state of the minute and second members)

As shown in FIG. 10, when the front-end|tip part of 11R of cutting-edge members on the right-end turns left inward in the cutting width direction and becomes a closed state, the front-end|tip part of 11R of dusting members is more than the rotation fulcrum axis 17 in the cutting width direction. located on the inside In this state, the whole dusting member 11R is located inside in the mowing width direction from the pivot point axis, and while the outer edge (right edge) of the dusting member 11R is along the front-back direction of the base body, the dusting member 11R of The inner edge (left edge) inclines so that it may be located inside of the mowing width direction so that the back part on the basis of the front-back direction of a base|substrate.

In addition, in the closed state of this dusting member 11R, the first frame portion 120a of the dusting and cutting front frame 10f is inclined so as to be located on the inside in the mowing width direction as the forward part of the body is in the front-rear direction as a reference. , the second frame portion 120b is in a posture along the front-rear direction of the body.

In addition, in the closed state of 11 R of dusting members, the dusting guide rod 21 will be in the state extended forward of the rotation fulcrum axis 17 from the inside of the cutting width direction to the outer side rather than the rotation fulcrum shaft 17 . That is, the front end of the splitting guide rod 21 is located on the inner side of the cutting width direction than the pivoting point axis 17, and the rear end of the dusting guide rod 21 is located on the outer side of the cutting width direction than the rotation point axis 17. . In addition, the rear end of the dusting guide rod 21 is located on the outer side of the cutting width direction than the operation wire 19 and the spring 20 .

Therefore, in the closed state of the dusting member 11R, the whole dusting member 11R is located inside the mowing width direction rather than the pivot fulcrum shaft 17, and while setting the movement amount to the inside of the dusting member 11R large, the dusting guide The rod 21 effectively suppresses the interference (entanglement and entanglement) of the grain stems in the vicinity of the pivot shaft 17 and the operating wire 19 .

On the other hand, as shown in FIG. 9, when the front-end|tip part of 11R of cutting-edge members on the right end rotates outward in the cutting width direction to open state, the front-end|tip part of 11 R of grass-dusting members is more than the rotation fulcrum axis 17 in the cutting width direction. located outside In this state, a part of 11 R of dusting members is located inside the cutting width direction rather than the rotation fulcrum axis 17. In addition, the outer edge (right edge) and inner edge (left edge) of 11 R of dusting members incline so that it may be located in the inside of the mowing width direction so that it is a rear part on the basis of the front-back direction of a base|substrate. In addition, most of the outer edge of the dusting member 11R is located on the outer side in the cutting width direction with respect to the pivot fulcrum axis 17, and the inner edge of the dusting member 11R is about half of its total length. It is located inside the cutting width direction with respect to the rotation fulcrum axis 17.

In addition, in the open state of the splitting member 11R, the first frame part 120a of the splitting front frame 10f is in a posture along the front-rear direction of the body, and the second frame part 120b is in the front-rear direction of the body. It inclines so that it may be located on the outer side of the cutting width direction so that the part of the front may be a reference|standard.

In addition, in the open state of 11R of dusting members, while the whole dusting guide rod 21 is located outside of the cutting width direction rather than the rotation fulcrum axis 17, it is a cutting width direction with respect to the rotation fulcrum axis 17. It becomes an attitude that follows the forward and backward directions of the aircraft at a position that is outwardly of the . In addition, the rear end of the dusting guide rod 21 is located on the outer side of the cutting width direction than the operation wire 19 and the spring 20 .

In the open state of the mowing member 11R, the mowing member 11R is in an inclined posture so as to be positioned inside the mowing width direction as the rear portion becomes, and the mowing member ( 11R), a force from the front to the rear of the aircraft acts. Therefore, although a large force acts on the connection part between the front end of the second frame 120b and the splitting member support part 122, the first frame part 120a and the splitting guide rod 21 are positioned along the front-rear direction of the body. By receiving this force, the breakage of the splitting front frame 10f or the splitting member supporting part 122 is prevented.

With the above configuration, when the right-end dusting and cutting member 11R is placed in the closed state, one trillion grain stems are introduced into the width of the introduction path between the right-end dusting and dividing member 11R and the adjacent intermediate dividing and dividing member 11c.

In addition, when the right-end dust-dusting member 11R is set to an open state, two sets of grain stems will be introduced into the width of the introduction path between the right-end dust-scattering member 11R and the intermediate dust-scattering member 11c adjacent thereto.

(Mincho guide rod)

14, 15, the back rises over the upper front surface of the right-end grain stem lifting device 12R (grain stem lifting device 12 in claim) from the upper surface of the right-end grass-bowing member 11R Install a branch guide bar 200 that slopes the shop.

This dividing and sheathing guide rod 200 is composed of a rotating shaft 201 serving as a rotational axis in the longitudinal direction, and a cylindrical rotating cylinder 202 provided so as to cover the outer side of the rotating shaft 201 .

The lower end of the rotating shaft 201 passes through a hole formed in the front-rear direction central portion of the dusting member 11R, and is supported by a bearing 203 flexibly supported on the lower surface side of the dusting member 11R so that the posture can be changed.

The upper end of the rotating shaft 201 is supported via the universal joint 206 covered with the boot 205 with respect to the bearing 204 attached to the upper front surface side of the grain stem lifting device 12R.

With this configuration, the dusting and planting guide rod 200 rotates about the rotating shaft 201 by contact with the grain stems divided by this dusting and planting guide rod 200 itself. Thereby, the load given to a grain stem reduces, the breakage of a grain stem can reduce, and a grain stem can be smoothly guided to 12R of grain stem lifting devices and can be raised.

(minute second guide load)

As shown in Figs. 16 and 17, a dusting guide rod 207 is provided that spans from the upper surface of the front part of the dusting member 11R at the right end inclined upwards to the rear surface of the rear part of the dusting member 11R at the right end. .

As shown in FIG. 17 , this dividing and sheathing guide rod 207 is a rod-shaped member bent in an inverted U-shape.

The front end of this dividing and dividing guide rod 207 passes through a hole formed in the front portion of the dividing and dividing member 11R, and is rotatably supported by a bracket 208 fixed to the lower surface of the dividing and dividing member 11R.

The rear end of this dividing and dividing guide rod 207 bypasses the rear end (upper) of the dividing and dividing member 11R from the upper side to reach the rear of the dividing and dividing member 11R, and is fixed to the rear side of the dividing and dividing member 11R. It is rotatably supported by the bracket 209 .

According to this structure, rotation adjustment of the dusting and sheathing guide rod 207 is carried out according to the falling direction of a grain stem, and a grain stem can be smoothly guided to 12R of grain stem raising devices, and it can be raised.

1: traveling body 3: threshing device
4: mowing device 10: minute and second frame
10f : Min second front frame (2nd frame)
10r : Buncho rear frame (1st frame)
11: a member of the sieve and grass, 12: a device for raising the grain stem
17: rotation point axis 21: minute and second guide rod (grain stem guide member)
24: means of regulating meetings
25: lifting support pipe (lifting device support member)
123: upper plate (plate) 200: minute seconds guide rod
207 : minute second guide load

Claims (6)

Install the threshing device 3 on the traveling body 1, install the mowing device 4 in front of the threshing device 3, and the front of the mowing frame 10 provided in the mowing device 4 In the combine in which the dusting member 11 for dusting the grain stem is installed in the part, the first frame along the front-rear direction of the traveling vehicle body 1 with the dusting frame 10 provided on the left and right sides of the mowing device 4 . (10r) and a second frame (10f) in which the dividing member (11) is installed, and the rear end of the second frame (10f) is rotated with respect to the front end of the first frame (10r). A grain stem guide member 21 is integrally supported around the periphery so as to be rotatable left and right, and guides the grain stem divided by the dusting member 11 to the outside of the pivoting point axis 17 in the second frame 10f. and connecting the front end and the rear end of the second frame 10f by the grain stem guide member 21, and the grain stem guide member 21 is integrally formed with the second frame 10f. Combine, characterized in that it can rotate left and right around the rotation point axis 17 with respect to the front end of the frame (10r). The method of claim 1,
A rotation regulating means (24) for regulating the left-right rotation angle of the second frame (10f) is provided in a portion in the vicinity of the rotation point axis (17). 3. The method of claim 2,
The rotation regulating means 24 is a plate fixed to the rear end portion of the first frame 10r side lifting device support member 25 and the second frame 10f for supporting the grain stem lifting device 12 ( 123), and the left-right rotation angle of the second frame (10f) is controlled by the contact between the lifting device supporting member (25) and the plate (123), The combine characterized by the above-mentioned. 4. The method according to any one of claims 1 to 3,
Combine characterized in that it has a dusting guide rod 200 that is inclined upward from the upper surface of the dusting member 11 over the upper front surface of the grain stem lifting device 12. 5. The method of claim 4,
Combine, characterized in that it is rotatably provided with the division and seconds guide rod 200 as the center of the axis in the longitudinal direction. 4. The method according to any one of claims 1 to 3,
The dusting member 11 is installed with an inclined back upward, and a dusting guide rod 207 extending from the upper surface of the front part of the dusting member 11 to the rear surface of the dusting member 11 is provided. combine with .

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