KR100679139B1 - Combine - Google Patents

Abstract

The present invention is intended to easily perform maintenance on the side of the mowing device and maintenance on the side of the traveling chassis hidden by the mowing device.

The present invention includes a harvesting device which is provided at the front of the traveling vehicle's upper side of the traveling device and cuts grain, and the harvesting device is installed so as to be rotated to the outside of the traveling vehicle's side. It is assumed that

Combine harvesters, Mowing, Grain, Grain, Threshing, Maintenance

Description

Combine {Combine}

1 is an enlarged plan view of a rotation device.

2 is an enlarged front perspective view of the rotation device.

Fig. 3 is an enlarged side perspective view of the rotating device unit at the time of opening.

4 is an enlarged plan view at the time of opening of a rotation apparatus part.

5 is an enlarged plan view at the time of opening of a rotation apparatus part.

6 is an enlarged side view of the rotation device.

7 is an enlarged front view of a partial cross section of the rotating device portion.

8 is an enlarged front view of a part of a cross section of the rotation device.

9 is an enlarged side view of a lock support device.

10 is an enlarged side view of a position sensor unit (Position Sensor).

11 is an enlarged side view of the expansion and contraction cylinder portion.

12 is an enlarged plan view of the expansion and contraction cylinder portion.

Fig. 13 is an enlarged plan view of the rotating device portion.

14 is an overall left side view of the combine.

Fig. 15 is an enlarged side perspective view of the rotating device unit at the time of opening.

Fig. 16 is an enlarged plan view of the front and rear support frames.

17 is an enlarged plan view of the rear support frame.

18 is a cross-sectional view taken along the line E-E of FIG. 10.

FIG. 19 is a sectional view taken along the line E-E in FIG. 10; FIG.

20 is a cross-sectional view taken along the line E-E of FIG. 10.

Fig. 21 is an enlarged front view of the mounting portion of the hydraulic hose.

Fig. 22 is an enlarged plan view of a mounting portion of the hydraulic hose.

23 is an enlarged side view of the rotating device portion and the locking device portion.

Fig. 24 is an enlarged side perspective view of the rotating device unit at the time of opening.

25 is an enlarged side view of the operation handle and threshing input unit;

Fig. 26 is an enlarged side view of the front lock portion.

27 is an enlarged side view of the lock device unit and the cockpit unit;

Fig. 28 is an enlarged side view of the lock bar section of the lock device section.

29 is an enlarged side view of the lock bar portion.

30 is an enlarged side view of the pivoting unit and the auxiliary feeder;

Fig. 31 is an enlarged plan view of a rotating device, showing another embodiment;

32 is an enlarged plan view of the front and rear support frames at the time of closing, showing another embodiment.

Fig. 33 is a view showing another embodiment, and an enlarged plan view when opening the front and rear support frames.

Fig. 34 is an enlarged side view of the mowing machine part.

35 is an enlarged plan view of an opening and closing portion of a mowing machine;

36 is an enlarged plan view at the time of opening and closing of a cutting machine.

37 is an enlarged side view of the lift cylinder unit of the harvester;

38 is an overall side view of the left side of the combine.

Fig. 39 is an enlarged front view of the cylinder hose portion of the lifting cylinder in a view showing another embodiment.

40 is an enlarged front view of the cylinder hose part when the mower is opened, showing another embodiment.

FIG. 41 is a view showing another embodiment, and is an enlarged side view of a hook at the time of extruding of a mower; FIG.

42 is an enlarged side view of the hook portion at the time of opening the mower, in a view showing another embodiment;

43 is a plan view of a general-purpose combine.

44 is a plan view of a general-purpose combine.

45 is an enlarged view of the main portion in FIG. 2;

46 is a side view of the harvesting pretreatment unit;

Fig. 47 is an enlarged view of the main portion in Fig. 4;

48 is a rear view of the main portion of the harvesting pretreatment unit;

Fig. 49 is a front view of the recessed portion showing part of the cutting pretreatment broken;

50 is a side view of the main portion;

FIG. 51 is an enlarged view of the main portion in FIG. 8; FIG.

52 is a plan view of main parts of the harvesting pretreatment unit;

53 is an enlarged view of the main portion in FIG. 10;

54 is a control block diagram.

55 is a control block diagram.

56 is a plan view of a general-purpose combine.

57 is an enlarged view of the main portion in FIG. 14;

58 is a side view of a main portion of a general-purpose combine;

59 is a plan view of principal parts of another embodiment;

60 is a side view of the main portion of another embodiment;

<Explanation of symbols for main parts in the drawing>

2: traveling vehicle (走 行車 台)

3: traveling device

6: 4-point Link Mechanism

11: threshing device

12a: Feed Chain

17: lift drive device

34: auxiliary feeder

The present invention relates to a combine.

DESCRIPTION OF RELATED ART Conventionally, the combine has provided the harvesting apparatus which cuts grain into the front part of the traveling chassis of the upper side of a traveling apparatus. The upper and lower rotations of the cylindrical frame supporting the mowing device are axially supported freely on the traveling chassis side, and the mowing device is lifted by a hydraulic cylinder.

When the maintenance on the mowing device side and the maintenance of the running chassis side hidden by the mowing device are performed, the shaft support state of the upper end of the cylindrical frame and the running chassis side is released. The piston tip of the hydraulic cylinder is disconnected from the mowing device, and the mowing device is detached from the traveling chassis (see, for example, Japanese Patent Laid-Open No. 2000-125656).

Furthermore, a combine is known in which an auxiliary feeder for transferring grains cut from the harvesting device to the feed chain of the rear threshing device is driven from the harvesting device side.

In a conventional combine, when performing maintenance on the harvesting device side or maintenance on the traveling chassis side hidden by the harvesting device, the harvesting device must be detached from the traveling platform and lowered to the ground. Because of the complicated work of disassembling, the intended maintenance could not be easily performed.

In addition, in the combiner provided with the auxiliary feeder which takes over the grain cut | disconnected from the harvesting device to the feed chain of the threshing apparatus of the back side, if this auxiliary feeder is fixed to the side of a traveling undercarriage, the harvesting device is removed from a traveling chassis. In the case of disengagement, the transmission belt between the mowing device and the subsidiary feeder must be separated, and this operation is complicated, and thus the target maintenance cannot be easily performed.

Therefore, an object of the present invention is to enable easy maintenance on the side of the mowing device and maintenance on the side of the traveling chassis hidden by the mowing device.

The above object of the present invention is achieved by the following configuration.

That is, the invention described in claim 1 is a combine characterized in that it is provided in the front part of the traveling chassis of the upper side of a traveling apparatus so that the harvesting device which cuts out grain can be opened and closed outside.

In the combine of Claim 1, when performing maintenance etc., a mowing device is opened and closed outside.

The invention as set forth in claim 2 is a combine characterized in that it is provided in the front part of the traveling chassis of the upper side of a traveling apparatus through the link mechanism so that the harvesting apparatus which cuts out grain can be moved outside.

In the combine of Claim 2, when performing maintenance etc., a mowing device is moved to the outer side through a link mechanism.

The invention described in claim 3 is provided at the front of the traveling vehicle upper side of the traveling device so that the cutting device for cutting grain and the lifting drive device for lifting the harvesting device can be opened and closed integrally to the outside. It was made with combine.

In the combine of Claim 3, when opening and closing a mowing device to the outside, the elevating drive system which raises and lowers this mowing device is integrally opened and closed to the outside.

The invention as set forth in claim 4 is integrated with a harvesting device for cutting grain and a subsidiary transport device for transferring the grain cut off from the harvesting device to the feed chain of the rear threshing device from the front of the traveling chassis on the upper side of the traveling device. The combine is characterized in that it is installed so as to be opened and closed to the outside.

In the combine of Claim 4, when opening and closing a harvesting | reaping apparatus outside, an auxiliary feeder also opens and closes outside.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

In the upper side of the traveling undercarriage 2 of the combine 1, the traveling undercarriage 2 is provided, and in the front part of the traveling undercarriage 2, the harvesting machine 4 which cuts grain and transfers it to the rear upper part is provided. Configuration. Moreover, it is the structure which arrange | positioned the threshing machine 11 which threshes the grain supplied from the harvesting machine 4 in the upper side of the traveling chassis 2. The pivoting movement of the harvesting machine 4 to the side outside is a structure which rotates by the rotation apparatus 5 formed with the 4-point link mechanism 6. As shown in FIG. The four-point linkage mechanism 6 provides points A and B on the left side, and points C and D on the right side, and these points A and C. Is connected to the front support frame 7, and the (B) and (D) points are connected to the rear support frame (8). Further, the forward longitudinal pivotal shaft 9 of point (A) and the rear longitudinal pivotal shaft 10 of point (B) are the pivotal center (A) and the pivotal center (B) where the harvesting machine 4 pivots. This is a configuration installed. The rotating device 5 of the harvesting machine 4 and the four-point link mechanism 6 is shown and described as a main part.

The lower side of the traveling chassis 2 of the combine 1 is a travel in which a pair of left and right traveling crawlers 3a traveling on the soil surface are provided as shown in FIGS. 1, 2, and 14. The apparatus 3 is provided, and the threshing machine 11 which threshes grain is arrange | positioned above the traveling chassis 2, and is comprised. The grain standing by the harvesting machine 4 of the front part of the traveling chassis 2 is cut off, and this harvesting grain is conveyed to the rear upper part by the harvesting machine 4, and the feed chain 12a of the threshing machine 11 is narrowed. It is handed over to the span (12b) and threshed while being fed into the pinch. The grains which have been sorted in the threshing state are temporarily stored in the grain storage tank 13 provided above the right side of the threshing machine 11.

As shown in FIG. 14, the mowing machine 4 is rotatably provided to the outside of the side of the traveling chassis 2, and the mowing machine 4 is provided with grain standing from the front end position. Narrow guide portion 14a for separating, each herbaceous body 14b, a popular device for producing standing grain, 14c, and a grain squeezing and feeding device for feeding the produced grain Each of the scavenging devices 15a of (15) and the grains cut by the towing device 14d for cutting out the grains to be sandwiched are sandwiched and fed to the feed chain 12a of the threshing machine 11, The harvesting machine 4 which becomes the base of the grain-hardening conveyance apparatus 15 which transfers to and from the trunk 12b, the ear conveyance apparatus 16a, 16b, etc. is provided. The harvesting machine 4 is a structure in which the lifting and lowering is freely moved with respect to the soil surface by the expansion and contraction cylinder 17 by hydraulic driving.

The upper and lower ends of the support section 18a inclined from the front lower part to the rear upper part of the harvester 4 are provided with support pipe sections 18b in the left and right directions, and both left and right ends of the support pipe sections 18b are described later. Rotation is freely supported by the left and right support metals 20a and 20b mounted and mounted on the upper side of the rotation support metal (Metal 21) by bolts and nuts and the like. (4) is a structure which rotates up and down using the support pipe 18b as a rotation center. Moreover, the rotational movement force of the engine 23 is input into the mowing input pulley 18c axially supported by the outer end part of the electric mechanism 18d built in this support pipe 18b, and the mower 4 Each component is the structure by which rotation drive is carried out.

The grain sensor 4a which detects the presence or absence of grain supply to the threshing machine 11 by contacting the grain conveyed by being cut | disconnected in the grain conveyance path formed by the grain-feeding supply and conveying apparatus 15 of the said harvester 4. ) Is installed configuration.

As shown in FIGS. 1-6, the harvesting machine 4 is configured to rotate the harvesting machine 4 to either side of the left side outer side or the right side outer side. On the upper side of the traveling chassis 2, the pivot support metal 19 of the pivoting apparatus 5 formed by the four-point link mechanism 6 is provided, and four points are provided in the left front part of this pivot support metal 19. The outer front pivot hole 19a serving as the point (A) of the pivot point of the link mechanism 6 is provided, and at the inner back portion of the outer front pivot hole 19a, the point (B) of the pivot point is provided. It is the structure which provided the outer rear rotation hole 19b to become. In the outer front and rear pivot holes 19a and 19b, the outer front and rear longitudinal pivot shafts 9 and 10 are axially supported and provided at upper ends of the outer front and rear longitudinal pivot shafts 9 and 10, respectively. The front and rear base holes 7a and 8a of the bases of the front and rear support frames 7 and 8 are inserted to be axially supported and mounted with bolts or the like.

As shown in FIGS. 1-11, the rotation support metal 21 is provided in the upper side of the said front and rear support frames 7 and 8, and this rotation support metal 21 has an inner front support hole. 21a and the inner rear support hole 21b are provided, and in these inner front support holes 21a and the inner front insertion hole 7b of the inner end of the front support frame 7, The inner front vertical support shaft 21c is inserted. In addition, the inner rear vertical support shaft 21d is inserted into the inner rear support hole 21b and the inner rear insertion hole 8b of the inner end portion of the rear support frame 8. While supporting the front end portions of the front and rear support frames 7 and 8 with these inner front and rear support shafts 21c and 21d, the rotating support metal 21 is supported by the front and rear support frames 7 and 8. It is a supported configuration.

Four points of the rotation apparatus 5 by the outer front and rear rotation holes 19a and 19b of the pivot support metal 19 and the inner front and rear support holes 21a and 21b of the rotation support metal 21. (A) and (B) points of the rotation point of the link mechanism 6, and (C) and (D) points of the support points are configured, and the outer (A) and (B) points are the center of rotation. (A) and (b) and the inner side (C) point and (D) point as a support point, and the mowing machine 4 was provided with the rotation movement freely to the side outside. This harvesting machine 4 is a structure which rotates to the side outside by a manual rotation operation. Alternatively, an expansion-contraction cylinder or the like may be provided by hydraulic drive to automatically rotate.

When the maintenance of the mowing machine 4 itself, and the detailed configuration of the lower part of the mowing machine 4, the maintenance of the mission case 22, the engine 23, etc. In other words, it is configured to rotate.

The rotating device 5 which rotates the harvesting machine 4 to the left side outer side or the right side outer side is formed by the 4-point link mechanism 6, as shown to FIG. The harvester 4 is supported by two front and rear support frames 7 and 8 described later, and can firmly support the harvester 4 even when it is rotated.

As shown in FIG. 3 and FIG. 4, the harvesting machine 4 is rotated to the left by the four-point link mechanism 6 of the rotating device 5. Points (A) and (B) of the pivot point are placed on the left side, and points (C) of the support point and (B) of the support point are located on the right side of the points (A) and (B) of these pivot points. While placing the point D, the outer forward longitudinal pivot 9 inserted into the outer forward pivoting hole 19a of the pivot support metal 19 of the point (A) and the pivot support metal of the point (C) The inner front support shaft 21c inserted into the front support hole 21a of the 21 has a configuration in which a substantially straight front support frame 7 is provided and connected. Further, the outer rear longitudinal pivot shaft 10 inserted into the outer rear pivot hole 19b of the pivot support metal 19 at point (B) and the outer rear support hole of the pivot support metal 21 at the point (D). The inner rear support shaft 21d inserted in the 21b has a structure in which a rear support frame 8 having a substantially U shape is provided and connected.

The four-point link mechanism 6 of the rotating device 5 which rotates the harvester 4 to the left side outward is provided with the (A) point and the (B) point of the pivot point on the left side and the right side. (C) point and (D) point of the support point are provided, and these (A) point and (C) point are connected with the front support frame 7, and (B) point and ( By setting the point D) connected to the rear support frame 8, the mowing machine 4 can be pivotably moved to the left side outward. In addition, the maintenance of this mowing machine 4 and the maintenance of the engine 23 below the mowing machine 4, the mission case 22, etc. are easy by this.

As shown in FIGS. 1 to 5, the pivoting device 5 which pivots the harvester 4 to the outside of the left side is a pivot that forms part of the four-point link mechanism 6 of the pivoting device 5. The distance L1 between the outer front longitudinal pivot shaft 9 and the outer rear longitudinal pivot shaft 10 inserted into the outer front and rear pivot holes 19a and 19b of the support metal 19 is formed at the shortest distance. , The four-point link mechanism 6 is formed to form the rotation apparatus 5.

The distance L1 between the points (A) and (B) of the pivot point is formed at the shortest distance, and the pivot device 5 is formed by the four-point link mechanism 6, and the pivot device 5 is used as the pivot device 5. By moving the mowing machine 4 to the outside of the left side, the mowing machine 4 can be moved to the left side outward. Thereby, maintenance of this harvesting machine 4 itself, and maintenance of the lower engine 23, the mission case 22, etc. are easy.

As shown in FIGS. 1 to 5, the pivoting device 5 which pivots the harvester 4 to the outside of the left side is located at the pivot point of the four-point link mechanism 6 of the pivoting device 5. Distance (L3) between point (A) and (C) than distance (L1) between point A) and point (B) and distance L2 between point (C) and point (D) of the support point ), And the distance L4 between the points (B) and (D) is lengthened by a predetermined distance, the four-point link mechanism 6 is formed, and the rotating device 5 is formed.

The distance L1 between points (A) and (B), which is each point of the four-point link mechanism 6 of the rotating device 5, and the distance L2 between the points (C) and (D) Furthermore, by forming the distance L3 between the points (A) and (C) and the distance (B) and the point (D) L4 longer, the mower 4 can be rotated to the outside. have. Thereby, maintenance of this harvesting machine 4 itself, and maintenance of the lower engine 23, the mission case 22, etc. are easy.

As shown in FIGS. 1-5, the outer front longitudinal rotational shaft 9 of the (A) point of the rotational point, and the outer rear longitudinal rotational shaft 10 of the point (B) of the rotational point are shown in FIG. The four-point link mechanism 6 of the rotating device 5 is formed by the rotating center (A) and the rotating center (B) where the rotation moves.

The outer front longitudinal pivot shaft 9 at the pivot point (A) of the four-point link mechanism 6 of the pivoting device 5 and the outer rear longitudinal pivot shaft 10 at the pivot point (B) are harvested. When the mowing machine 4 is rotated by the center of rotation (A) and (B) in which (4) rotates laterally outside, this mowing machine 4 can prevent contact with other components. have. For this reason, damage to this mowing machine 4 and other components can be prevented.

The four-point link mechanism 6 of the pivoting device 5 is a pivot support metal 19 provided on the upper surface of the traveling chassis 2, as shown in FIGS. 1 to 5, 7, and 8. Rotation support supported by the front and rear support frames 7 and 8 by axially supporting and installing the external front and rear longitudinal pivot shafts 9 and 10 in the outer front and rear pivot holes 19a and 19b of The inner front and rear support shafts 21c and 21d are fixed to the inner front and rear support holes 21a and 21b of the metal 21, respectively.

The center of rotation (A) at the point (A) of the outer front longitudinal rotational shaft 9 and the point (C) of the inner front support shaft 21c have a configuration in which the front support frame 7 is provided and connected. The center of rotation (B) at the point (B) of the outer rear longitudinal pivot 10 and the point (D) of the inner rear support shaft 21d are constitutions in which the rear support frame 8 is provided and connected. . The front and rear support frames 7 and 8 support (A), (C), and (B) and (D) to support the four-point link mechanism (6). . (A) and (B) points of rotation center (A) and (B), which are the pivoting points, are installed on the pivot support metal 19 above the driving platform 2, and the supporting point is (C). The point and (D) point are the structures provided in the rotation support metal 21.

As a result, by supporting the mower 4 with the front and rear support frames 7 and 8 of the mower 4, the support strength during opening and closing can be increased. In addition, in the state which moved the whole harvesting machine 4 forward, the open state can be made large by opening operation to the left side outer side. Moreover, the contact with the feed chain 12a of the threshing machine 11 can be prevented.

(A) point forming the four-point link mechanism 6 of the rotating device (5) and the total length (L3) of the front support frame (7) connecting the point (C), and installed in the left and right directions As shown in FIG. 1, the front support frame 7 is formed to have the entire length L4 of the rear support frame 8 connecting the point (B) and the point (D), and the left and right directions. The total length L4 of the rear support frame 8 is formed to have a predetermined length (L3) &lt; (L4). When the mowing machine 4 is opened to the outside of the left side, a straight line connecting the points (A) and (C) is a straight line connecting the points (A) and (B), as shown in FIG. It is a configuration that rotates to a straight line such as

Moreover, as shown in FIG. 7, the lower surface position H of the rotation part of the front and rear support frames 7 and 8 is formed in the same height position.

Thereby, the opening amount of the harvesting machine 4 to the left side outward can be increased. Thereby, contact with the feed chain 12a of the threshing machine 11 can be prevented. In addition, since there is no intersection between the front and rear support frames 7 and 8, the outer front and rear longitudinal pivotal axes 9 and 10 can be lengthened, and the collapse of the front and rear support frames 7 and 8 is prevented. I can prevent it.

At least one of the pivot points (A), (B), and the support points (C) and (D), which form the four-point link mechanism 6 of the pivoting device 5, for example, (A) As shown in FIGS. 1 and 6, the center of rotation of the electric mechanism 18d incorporated in the support pipe section 18b provided at the upper end of the support section 18a supporting the mowing machine 4 is shown in FIGS. C) It is a configuration provided in the position ahead of a predetermined dimension rather than a position. Also, the rotation point (A) and the point (B), the point (B) of the rotational mechanism (d) of the power mechanism (18d) incorporating the point (B) between the support pipes (18b) at a position after the predetermined dimension. Installed configuration.

Thereby, four rotation points (A), (B), support point (C), and (D) are arranged before and after the rotational center (C) of the support pipe 18b. By this, the support balance before and after becomes favorable, and support strength and durability improve. In addition, the moment when the harvesting machine 4 rotates back and forth can be supported in a balanced manner.

As shown in Fig. 1, the point (C) is located behind a predetermined dimension and provided at the point of rotation (A), which forms the four-point link mechanism (6) of the rotating device (5). The configuration is provided by placing the point (D) behind the predetermined dimension rather than the rotation point (B). The straight line connecting point (A), point (C), and the line connecting point (B) and point (D) is formed in a substantially parallel state. (A) and the straight line which connects the point (C) are located in front of the straight line which connects a point, Furthermore, the point (B) is parallel to (A) point in the front-back direction, or predetermined dimension It is a configuration located inside.

By placing the points (C) and (D) at a predetermined dimension behind the points (A) and (B), the opening amount of the mower 4 can be increased to the outside of the left side. . Moreover, the contact with the feed chain 12a of the threshing machine 11 can be prevented. The open space becomes wide, and maintenance of the engine 23 vicinity is easy.

The four-point link mechanism 6 of the rotating device 5 is formed. As shown in FIG. 1, the pivot support metal 21 is provided with the pivot point (A) and the (B) point, and the pivot support metal 21 has the (C) point of the support point. , (D) is a configuration in which points are individually installed.

Thereby, the rotation point (A) and the point (B) of the said four-point link mechanism 6 are provided in the rotation support metal 19, and the points (C) and (D) of the support point are By providing the pivot support metal 21, the positions of the points (A), (B), (C) and (D) are accurately determined, and the positioning is performed by the front and rear support frames ( 7, 8), the adjustment is unnecessary, and the assembly labor can be reduced. Moreover, the parallelism of each axis 9, 10, 21c, 21d is improved, and the closing operation | movement of the mowing machine 4 becomes smooth.

The pivoting point (A) and the pivoting base 19 (B) provided with the point (B) which form the four-point link mechanism 6 of the said rotation apparatus 5 are as shown in FIG. 1 and FIG. Similarly, it is the structure provided in the left side of the left side frame 2a of the traveling chassis 2, and the front side frame 2b.

Thereby, the said rotation support metal 19 can be made firm by providing it over the front frame 2b and the left frame 2a of the rigid traveling chassis 2.

As shown in FIGS. 7 and 8, the front and rear support frames 7 and 8 are positioned at a height H1 from the upper surface of the traveling chassis 2 to the installation lower surface portion of the front support frame 7. It is formed in the height H2 from the upper side of the traveling chassis 2 to the mounting lower surface portion of the rear support frame 8, and the heights H1 and H2 of both are formed at the same height. In the rotation support metal 21, the front support frame 7, and the rear support frame 8, the front and rear positioning pins 24a and 24b are provided separately.

Thereby, it can install in the place where space is saved. In addition, each of the shafts 9, 10 and the shafts 21c, 21d supporting the front and rear support frames 7, 8 can be used in common, thereby reducing the cost. Furthermore, by using the front and rear support frames 7 and 8 as the same plane mechanism, the outer front and rear longitudinal pivotal shafts 9 and 10 can be lengthened, whereby the opening and closing of the mower 4 can be smoothed. have.

In the lower left outer side of the left support metal 20a which supports the said support pipe 18b, as shown in FIG. 1 and FIG. 2, it moves outside to the point (A) which is a rotation point, and the point (B). The rear vertical rotational shafts 9 and 10 are provided.

As a result, when the mowing machine 4 is opened to the outside of the left side, the mowing machine 4 can prevent contact with the feed chain 12a. Moreover, the front and rear support frames 7 and 8 can be lengthened, the rotation radius of the harvesting machine 4 increases, and a large opening space can be obtained.

As shown in FIG.2 and FIG.3, the rotation support metal 21 is provided between the said support pipe 18b and the front and rear support frames 7 and 8. As shown in FIG.

Thereby, by making the front and rear support frames 7 and 8 into the lowest position, the rotation of these front and rear support frames 7 and 8 is smooth. In addition, by supporting the weight of the harvester 4 from the bottom, a balanced method of supporting is achieved.

As shown in FIGS. 3, 7, and 8, the front and rear support frames 7 and 8 are formed in a planar shape while the cross-sectional shape is formed in a U-shape. The reinforcing ribs 7c and 8c are separately provided in the U-shaped portion at predetermined intervals in the horizontal direction.

As shown in Figs. 2, 3, 7, and 8, the rotating support metal 21 is formed in a planar shape, while the cross-sectional shape is formed in a U-shape. It is the structure which provided the reinforcement rib 21e radially in the U-shape.

Thereby, by making the upper side surfaces of the said front and rear support frames 7 and 8 and the rotation support metal 21 into a planar shape, dust volume can be prevented. In addition, by providing the reinforcing ribs 7c, 8c, and 21e, the strength can be significantly increased. Furthermore, by providing the reinforcing rib 21e of the rotation support metal 21 radially, the strength can be increased in all load directions.

In the configuration in which the harvester 4 is rotated outward to the left side by the pivoting device 5, the locker 25 freely rotatable to operate in the locked state or the open state of the harvester 4 is provided. 9, it is the structure which engages and engages with the lock support apparatus 26. As shown in FIG. In addition, this lock support apparatus 26 is a structure provided between the traveling chassis 2 and the support pipe 18b.

As shown in Figs. 9 and 11, the lock supporting device 26 is provided with vertical frames 26a and 26a at predetermined intervals on both the left and right sides of the expansion cylinder 17, and between these vertical frames 26a and 26a. The upper part is the structure which connected and installed the upper side connecting part 26b, and the lower part provided and connected the lower side connecting part 26c. This lower horizontal connection part 26c is a structure used as a stopper. In addition, each vertical frame 26b, 26b is provided with the large opening 26d.

As a result, the strength of the lock support device 26 can be increased. In addition, by providing the opening 26d, maintenance of the hydraulic hose of the expansion and contraction cylinder 17 becomes easy, and weight reduction can be achieved.

As shown in Figs. 7, 9 and 11, the mounting plate 26e of the lock support device 26 is provided with a bolt or the like on the front and rear main beams 2c provided on the traveling chassis 2. It is a structure installed by mounting. The lock support device 26 is supported by the mounting plate 26e, and the lock support device 26 is rotated to the outside of the left side simultaneously with the harvesting machine 4.

Thereby, although the said lock support apparatus 26 puts a big load on the support part of the harvesting machine 4, by attaching to the main beam 2c of the front and back of the main component fixed to the traveling chassis 2, it is secured. In addition, it can be made a firm structure.

As shown in FIG. 9 and FIG. 11, the lock support device 26 is provided at the rear side of the support section 18a. In addition, the expansion and contraction cylinder 17 is the structure provided between the support body 18a and the lock support apparatus 26. As shown in FIG.

Thereby, the expansion-contraction cylinder 17 can be rotated to the outside of the left side by the structure which attached the harvesting machine 4 to it. In addition, the mower 4 can be moved up and down in the open state.

As shown in FIG. 10, the said support pipe 18b is equipped with the rotating arm Arm 28 attached. Moreover, the attachment plate 27a is protruded and installed in the rotation support metal 21, and the harvesting machine 4 is elevated by this attachment plate 27a. The position sensor 27 which detects the lifting position of this harvesting | reaping machine 4 is provided, and this position sensor 27 is the structure which provided the connection space 27b with the notch groove 27c in the front-end | tip. . In the notch groove 27c of the connecting rod 27b, a connecting rod 28a provided on the pivoting arm 28 is inserted and connected.

When the harvesting machine 4 is raised or lowered, the pivot arm 28 between the support pipes 18b rotates. By this rotation, the position sensor 27 rotates between the connection 28a and the connection 27b, and the position by the lifting and lowering of the harvester 4 is rotated by the rotation of the position sensor 27. It is a structure to detect.

Thereby, the position sensor 27 can be attached to arbitrary positions. Further, even when the harvesting machine 4 is opened and closed to the left outside, the lifting position of the harvesting machine 4 can be detected accurately.

Between the left and right support metals 20a and 20b on both the left and right sides of the support pipe 18b, as shown in FIGS. 7 and 8, the front end portions of the front and rear support frames 7 and 8 are shown. The inner front and rear insertion holes 7b and 8b are positioned and installed.

Thereby, this mowing machine 4 can be opened and closed without contacting the drive part which drives the mowing machine 4 by this. In addition, the opening and closing mechanism is compact. Moreover, the opening and closing mechanism does not protrude to the right side than the mowing drive unit.

As shown in FIG. 11 and FIG. 12, the front attachment pin (Pin) is attached to the attachment plate 18e in which the expansion cylinder 17 is provided in the support section 18a. While attaching with 17a), the rear portion has a configuration in which the rear support pin 17b is attached to the vertical frame 26a of the lock support device 26.

The center position of the inner front support shaft 21c inserted into the front insertion hole 7b of the front end of the front support frame 7 and supported by the shaft is the center position of the rear attachment pin 17b of the expansion and contraction cylinder 17 ( (D) The center position of the inner rear support shaft 21d, which is positioned and installed in the front portion and is inserted into the rear insertion hole 8b of the distal end of the rear support frame 8 and is axially supported, is a telescopic cylinder ( It is the structure located in the back part rather than the center position (d) of the rear attachment pin 17b of 17).

As a result, the moments in the front direction and the rear direction generated from the expansion and contraction cylinders 17 are provided in the inner front and rear support shafts 21c provided on both front and rear sides from the center of the rear attachment pins of the expansion and contraction cylinders 17. By supporting the mowing machine 4 in 21d), it is possible to obtain a firm configuration.

As shown in Fig. 13, the inner front and the left and right sides of the center position (e) of the width M between the left and right support metals 20a and 20b supporting the left and right both sides of the support pipe 18b. (C point) and (D point) of the inner rear support shafts 21c and 21d are provided.

As a result, inner front and rear support shafts 21c and 21d serving as supporting portions are provided on left and right sides of the center position (e) between the left and right support metals 20a and 20b. Can be supported.

On the front side of the grain storage tank 13 side, as shown in FIG. 14, the operating device 36 for starting, stopping, and adjusting the components of the combine 1 and an operator performing these operations. The cockpit 37 on which the passenger boards is installed is provided in the operating room 38a formed of the operating room case 38, and the engine 23 is located on the upper side of the traveling chassis 2 below the cockpit 37. In addition, the grain storage tank 13 is provided in the rear part. It is the structure which formed the machine main body 1a of the combine 1 by these traveling apparatuses 3, the harvesting machine 4, the threshing machine 11, the engine 23, etc.

In the electric motor path of the transmission mechanism 29a in the mission case 29 for traveling over the front end of the traveling vehicle 2, a potentiometer type vehicle speed sensor that detects the traveling vehicle speed based on the output thereof ( 29b) is installed.

At the rear of the grain storage tank 13 for discharging the grain stored in the grain storage tank 13 out of the machine, the discharge support container 30 having the vertical feed spiral 30a is freely rotated in a substantially vertical position. The discharge auger (Auger) is freely built in the upper end of the discharge support (30), the extension length of the discharge spiral 31a for discharging the grain out of the machine over the front and back length of the combine (1) , 31) is freely stretched, freely rotated up and down, and freely turned left and right in the forward and backward directions.

As shown in FIG. 6, the feed chain 12a of the threshing machine 11 is installed by supporting the rotation shaft 32a freely by the support tool 32 provided on the rotation support metal 19. The rotation shaft 32a and the chain support plate 12c supporting the feed chain 12a are connected in rotation 33. With the rotation shaft 32a as the rotation center, the feed start end side of the feed chain 12a is the pivot center side, and the feed end part is freely opened and closed to the outside of the left side.

In front of the threshing machine 11, the inner subsidiary feed chain 34a which transfers the cut grains which are clamped by the base and the ear conveying apparatus 16a, 16b of the harvesting machine 4, and the outer subsidiary feed chain 34b It is a configuration in which the auxiliary transport device (34) is installed.

As shown in Figs. 4 and 6, the rotational drive of the inner and outer subsidiary feed chains 34a and 34b of the subsidiary feeder 34 is performed on the outer side of the transmission mechanism 18d between the supporting pipes 18b. A belt 35b is placed on the output pulley 18f axially supported at the end and the input pulley 35a axially supported by the auxiliary gear case 35 provided in front of the threshing machine 11 to support the inner and outer side. It is the structure which rotationally drives the conveying chains 34a and 34b.

When the mowing machine 4 is rotated to the left outer side by the front and rear support frames 7 and 8, the mowing machine 4 is moved from the feed start end side of the feed chain 12a of the threshing machine 11, It rotates to the outer side part of the left side of this feed chain 12a sequentially.

When the mowing machine 4 is rotated to the left outer side, the feed chain rotates from the feed start end side of the feed chain 12a of the threshing machine 11 to the left outer side of the feed chain 12a. (12a) can be rotated without separating. In addition, the space between the mowing machine 4 and the threshing machine 11 can be largely occupied, and maintenance is easy.

The feed chain 12a of the threshing machine 11 will be described later in detail, but as shown in FIG. 4, the feed chain 12a is rotated at the feed start end side for conveying grain, and is freely rotated to the left outside. In this case, when the feed chain 12a and the mowing machine 4 are rotated individually or simultaneously, as shown in FIG. 4, between the support pipes 18b for inputting rotational power to the mowing machine 4 is shown. And a front chain sprocket axially supported on the output pulley 18f for outputting rotational power to the auxiliary feed chain device 34, and on the feed start end side for rotating the feed chain 12a. 12d) is a configuration in which it is in a proximate state but is formed so as not to contact.

Therefore, even if the mowing machine 4 and the feed chain 12a of the threshing machine 11 are rotated to the left outer side simultaneously or separately, the output pulley 18f and the feed chain 12a of the mowing machine 4 are rotated. The front chain sprocket 12d of the apparatus is in a proximate state, but does not come into contact with each other, so that maintenance, cleaning and the like of the mowing machine 4 and the threshing machine 11 are facilitated. In addition, the amount of rotation can be increased, and various operations are easy.

A box-shaped bracket 101 is provided on the outer side of the pivot support metal 19 of the pivoting apparatus 5, and the bracket 101 is provided within the bracket 101. ) Is installed by mounting with bolts and nuts. Further, the rear side of the bracket 42 is a configuration in which the U-shaped lower joining member 102 is attached by bolts or the like. Moreover, the upper part of this lower joining member 102 and the front part of the joining member 103 provided in the front of the threshing machine 11 provide the contact plate 104 which mounts the auxiliary gear case 35, It is the structure connected with the connecting plate 104. FIG.

It is the structure which aimed at increasing the intensity | strength of attachment with the said rotation support metal 19, the auxiliary gear case 35, etc.

Thereby, by providing the pivoting metal 19 of the rotation apparatus 5 to the said bracket 42 with strength, strength can be increased, and also the bracket 42 and the lower joining member 102 are provided. Since the distance between the two and the shorter becomes shorter, the lower joining member 102 can be downsized, whereby cost and weight can be reduced.

As shown in FIG. 6, between the lower part of the boss part provided in the said mowing hoisting support frame 21, and the upper part of the front support frame 7, the support member 105 is provided, The support member 105 is attached to the lower surface of the boss portion of the mowing elevating support frame 21 and the front wall plate portion by bolts or the like.

Thereby, even when the harvesting machine 4 is rotated to the outside of the left side, the support is stabilized by being supported by the support member 105. In addition, the cost is reduced because no extra reinforcing material is put.

The upper support surfaces 8e and 7e of the rear support frame 8 and the front support frame 7 may be formed in an inclined shape inclined to one side as shown in FIGS. 18, 19 and 20, Or it is formed in either an arc shape or a mountain shape, either.

Thereby, accumulation of straw waste etc. can be prevented on the upper surface of the said front and rear support frames 7 and 8.

4, and in the vicinity of the front end of the front support frame 7 which fixes the mowing machine 4 to the maximum rotational operation position on the outside of the left side, and in the substantially central vicinity of the left and right directions of the mowing raising and lowering support frame 21, FIG. As shown in FIG. 5, the insertion hole 106 and the insertion hole 107 are provided, and the positioning pin 108 is inserted into these insertion holes 106 and 107, and is fixed to the maximum rotation operation position. to be.

Thereby, the positioning pin 108 which fixes the mowing machine 4 at the time of mowing operation can be shared as a fixing pin which rotates and fixes the mowing machine 4 to a maximum rotation position. In addition, since the mowing machine 4 can be fixed at the maximum rotational position, safe maintenance work can be performed.

When the harvester 4 is rotated to the lock position or the maintenance position of the harvest operation position, the lock device 25 is locked or unlocked by the operation of the operating handles 109 to be operated. 28 and 29, a pivoting plate 27d is provided on the pivot pin 27b that supports the operation handle 109, and the tip end of the pivoting plate 27d is provided. And the support pins 27e are fixed and installed.

It is the structure inserted into the support pin 27e of the said rotation board 27d by the groove 45a part provided in the upper end part of the lock rod 45 as shown to FIG. 28 and FIG. By the operation of the operation handle 109 in the locked state, the lower end portion of the lock bar 45 is inserted into the outer rear longitudinal pivot shaft 10 inserted into the pivot support metal 19 at the time of locking ( It is a configuration to be inserted in 10a). As a result, both the locking device 25 and the rear support frame 8 are in a locked state. In addition, the locking rod 45 is pulled out by the operation of unlocking the operation handle 109 so that both the locking device 25 and the rear support frame 8 are in the unlocked state.

Thereby, locking and unlocking are possible by the operation of one said operation handle 109, and the rotation operation of the mowing machine 4 is easy.

Below the rear support frame 8, as shown in FIG. 21 and FIG. 22, the hydraulic hose 46 which supplies hydraulic oil to the expansion-contraction cylinder 17 which raises and lowers the harvester 4, and is. ) Is mounted and installed by a plurality of clamps (46a).

Thereby, the harvesting machine 4 can be rotated to the left side outward without removing the said hydraulic hose 46. As shown in FIG. In addition, the hydraulic hose 46 does not restrict the rotation angle by the length of the hydraulic hose 46 at the time of rotation by passing through the rotation point. Moreover, an external appearance is favorable by providing in a lower side part.

When the harvesting machine 4 is rotated outward to the left side as shown in FIG. 31, the inner rear support shaft 21d of the inner end of the rear support frame 8 is separated, and the front support arm 7 is rotated. It is a structure which rotates by one.

Thereby, by separating the inner rear support shaft 21d of the rear support frame 8, the harvesting machine 4 can be rotated greatly.

In the vicinity of the centers of rotation (a) and (b) of the front and rear support frames 7 and 8, as shown in Figs. 32 and 33, front and rear stoppers 47 and 48 are individually provided. In the case of maximum rotation, these front and rear stoppers 47 and 48 come in contact with each other to regulate the maximum rotation amount. In addition, the harvesting state position is a configuration in which the stopper 47 of the front support frame 7 is in contact with the outer portion of the rear portion of the pivot center (b) of the rear support frame 8 so that the position during harvesting operation is restricted. .

As a result, the regulation of the rotational movement of the front and rear support frames 7 and 8 is regulated by the front and rear stoppers 47 and 48 provided on the front and rear support frames 7 and 8, thereby providing a stable strength. Can be secured. In addition, the positioning at the time of rotation can be performed reliably. Moreover, the stopper configuration is simple, which can reduce the cost.

As shown in FIGS. 23 and 24, the open frame 5a of the pivoting apparatus 5 and the traveling chassis 2 are operated when the mower 4 is locked and unlocked. It is the structure which installed the locking device 25 to make.

As shown in Figs. 23 and 24, the lock device 25 is coupled to the front and rear lock support members 110 and 111, which are made of a round bar member or the like of the lock support device 26. To release the locked state and the engaged state to release the lock.

The lock device 25 is provided between the open frame 5a and the traveling chassis 2, and the mowing machine 4 is locked, and the mowing operation is performed or the unlocking state is performed. By setting the harvesting machine 4 to be rotated to the outside of the left side, the strength of the rotating device 5, the locking device 25, and the like can be increased. Moreover, it is the structure which can pivotally move the harvesting machine 4 to the left side outer side.

As shown in FIG. 23, the front lock support material 110 of the said lock support device 26 is a structure which penetrated between the open frames 5a and 5a, and was axially supported. Moreover, the rear lock support material 111 is the structure which was axially supported by the left and right wall boards of the cross-shaped U-shaped support frame 2c provided in the upper side surface of the traveling chassis 2, and was installed.

In the lock device 25 provided between the open frames 5a and 5a of the rotating device 5 and the traveling chassis 2, as shown in Figs. It is the structure which provided the rear lock parts 25a and 25b in the vicinity of the front and back both ends of a front-back direction. The front lock portion 25a of the lock device 25 is coupled to the front lock receiving member 110, and the rear lock portion 25b is coupled to the rear lock support member 111.

The lock device 25 is provided with two or more front and rear lock parts 25a and 25b in the vicinity of both front and rear ends in the front and rear directions, and the front lock support member 110 of the lock support device 26. ) Is axially supported by the open frames 5a and 5a, and the rear lock support member 111 is axially supported by the support plate 2c attached to the traveling chassis 2, so that the rear frame supporting member 111 is axially supported. The pitch between the lock portions 25a and 25b becomes wider, and the lock portion is stabilized when the mowing machine 4 is operated in the locked state. Moreover, it is the structure which can be surely locked and unlocked.

The up-down position of the rear lock support member 111, which is the round bar member or the like, of the lock support device 26, is shown in FIGS. 23 and 24 of the front lock support member 110 that is the round bar member. It is the structure installed and located in the upper part of predetermined height upper than the position of an up-down direction.

The up-down position of the rear lock support member 111 of the lock support device 26 is provided at the position H3 higher than the up-down position of the front lock support member 110 to the lock device 25. The locking of the mowing machine 4 and the unlocking operation can be improved. Moreover, the lock apparatus 25 is the structure which can prevent a contact with another component.

As shown in FIG. 15, the lock device 25 is provided at an approximately center portion between the open frames 5a and 5a of the rotation device 5, and the front and rear lock parts 25a and 25b and the handle portion are provided. It is the structure which consists of 25c and 25d between connections.

As shown in FIG. 23 and FIG. 24, the handle portion 25c is an attachment plate provided with a lower portion of the substantially U-shaped operation handle 109 on the upper side of the mowing elevating support frame 21. The rotation is freely axially supported by the rotation pin 27b at 21f.

As shown in FIG. 23 and FIG. 24, the said connecting rod 25d part is provided with the spiral screw 28b in the upper end part of the connecting rod 28a, and is approximately T-shaped in this spiral screw 28b part. The boss | hub part of the shape movement metal 28c is inserted, and it is the structure attached to the setting position by each nut 28d provided up and down. The front end of the plate portion of the movable metal 28c and the lower end of the operation handle 109 are configured to rotate freely with the pins 27c. By the fastening position of each nut 28d, it is the structure which can adjust the overall length of the connection body 28a. By this adjustment, the engagement state of the front and rear lock parts 25a and 25b can be adjusted. Moreover, it is the structure which screwed in the adjustment boss 28e in the lower end part of the connection body 28a.

As shown in FIG. 23 and FIG. 24, the said rear lock part 25b rotates freely to the rear support shaft 29 supported by the left and right open frames 5a and 5a. The rear part of the rear lock plate 29a is provided with a rear lock groove 29b, and the rear end portion and the adjustment boss 28e of the connecting portion 28a are pins. 29c), the rotation is freely mounted. In addition, the rear support shaft 29 is provided with the rear end of the connecting plate 30a axially supported, and the front end of the connecting plate 30a is axially supported by the moving pin 30b.

As shown in FIGS. 23 and 24, the front lock portion 25a is freely rotated on the front support shaft 31 axially supported by the left and right open frames 5a and 5a. The rear end of the () is axially supported, and the front lock groove 31b is provided in the front part of the front lock plate 31a, and the support groove 31c is provided in the rear part. Moreover, it is the structure which provided 31 d of rotation parts in the back part of the front lock board 31a.

The front and rear torque springs 33a and 33b are provided on the front support shaft 31 and the rear support shaft 29, and the front and rear torque springs 33a and 33b are used for front and rear torque springs 33a and 33b. It is a structure which supports the rear lock parts 25a and 25b in a predetermined mowing position.

The rear lock groove 29b of the rear lock part 25b of the lock device 25 is connected to the lock support device 26 by the connection rod 25d by the operation of turning the handle part 25c backward. The front lock groove 31b of the front lock portion 25a is coupled to the front lock support member 110 while being coupled to the rear lock support member 111 of the supporter. The groove 31c is configured to be engaged with the support shaft 32. Thereby, the mowing machine 4 is a structure which locks in a mowing state.

It is a structure which operates when the mowing machine 4 is rotated outward to the left side of a maintenance position by the operation which falls the said handle part 25c to the front, and it connects to the front by the operation which falls forward. 25d), the rear lock groove 29b of the rear lock portion 25b of the lock device 25 is released by the rear lock support material 111 of the lock support device 26, and In conjunction with the release, the moving pin 30b of the connecting plate 30 is pivoted downward, and in conjunction with this pivoting movement, the lock groove 31b of the front lock plate 31c of the front lock portion 25a is In addition, the coupling to the front lock support member 110 is released, the support groove 31c, the coupling to the support shaft 32 is released, the mowing machine 4 is configured in such a way that can be rotated to the left side outside do. This mower 4 is configured to be rotated to the outside of the left side of the maintenance position by manual operation.

The lock which becomes the front-rear lock part 25a, 25b, the handle part 25c, and the connection part 25d simultaneously with this mowing machine 4 by rotating to the left side outer side of the mowing machine 4 at the same time. The device 25, the left and right support metals 20a and 20b of the rotation device 5, the mowing lift support frame 21, the open frames 5a and 5a, and the front of the lock support device 26. The lock support member 110 and the expansion and contraction cylinder 17 are configured to rotate.

The expansion and contraction cylinders 17 are mounted between the front and rear mounting pins 17a and 17b between the mounting plate 18e provided on the support section 18a and the open frames 5a and 5a. This expansion and contraction cylinder 17 is a structure which rotates to the left side outer side simultaneously with the harvesting machine 4.

The front and rear lock grooves 31b and 29b of the front and rear lock plates 31a and 29a of the front and rear lock portions 25a and 25b of the lock device 25 are shown in FIGS. 23 and 24. As described above, the configuration is provided in the longitudinal rotational direction.

The front and rear lock portions 25a and 25b are subjected to upward force by the reaction force of the cutting machine 4 up and down, and therefore the front and rear lock grooves 31b and 29b in the longitudinal direction. This is very advantageous for the load in the vertical direction. In addition, it is a configuration that can reduce the installation space.

The rotation center of the operation handle 109 of the handle portion 25c of the lock device 25 is set. As shown in FIG. 23 and FIG. 24, the position of the rotation pin 27b is the mowing raising / lowering support frame 21 in the rear part of the support pipe rod 18b provided in the left-right direction at the upper end of the support rod 18a. In the upper side of the upper side), further, the structure is provided in the vicinity of the right support metal 20b by being axially supported by the mounting plate 21f protruding upward.

The operation handle 109 of the handle portion 25c is provided near the cockpit 37 by being provided in the vicinity of the right support metal 20b that supports the support pipes 18b, thereby providing the cockpit 37 with this. By this, the operation of the operation handle 109 can be easily performed. Moreover, it is the structure which can perform open operation reliably.

FIG. 23, and FIG. 23, show a rotation mechanism 31d which is a connecting mechanism for connecting the front lock plate 31a of the front and rear lock portions 25a and 25b of the lock device 25 and the rear lock plate 29a. It is the structure provided as shown in FIG. Thereby, these front and rear lock plates 31a and 29a can be rotated simultaneously.

By operating one operation handle 109 of the handle portion 25c, the front and rear lock portions 25a and 25b can be locked and unlocked, so that the operation of locking and unlocking is easy. This is a simple configuration.

In the boss outer diameter part of the front base hole 7a of the base side of the said front support frame 7, the back stopper part 7d is provided in the back side as shown in FIG. Moreover, in the boss outer diameter part of the rear base hole 8a of the base side of the rear support frame 8, the stopper part 8d is provided in the front side as shown in FIG. These front and rear stopper portions 7d and 8d are provided in contact, whereby the positions of the inner front and rear insertion holes 7b and 8b of the distal end portions of the front and rear support arms 7 and 8 are accurately secured. It can be done.

The front and rear stopper portions 7d and 8d are provided in the boss outer diameter portions on the base side of the front and rear support frames 7 and 8, thereby positioning the positions of the inner front and rear insertion holes 7b and 8b of the tip portion. It can be secured accurately, and can be installed in the vicinity of the rotational point, whereby the front and rear stopper portions 7d and 8d can be made small in size, thereby preventing weight increase and cost increase. .

It is an installation point behind the expansion cylinder 17. With respect to the rear attachment pin 17b, as shown in FIG. 23, the position of the front lock support material 26a of the lock support apparatus 26 is located in a predetermined distance front-portion position, and is provided with the rear lock support. The position of the ash 26b is the structure provided by positioning it in the position of predetermined distance back part.

Moreover, when unlocking the front lock plate 31a of the front lock part 25a of the said lock apparatus 25, this front lock plate 31a is shown in FIG. 23, FIG. 24, and FIG. The front lock support member 26a provided in the open frames 5a and 5a is extruded forward by the rear side surface 31e of the front lock groove 31b provided in the above. Thereby, it is the structure which rotates operation of the harvesting machine 4 to the left side outer side easily.

Open frames 5a and 5a and mowing by providing the front and rear lock support members 26a and 26b of the lock support device 26 before and after the rear attachment pin 17b for rear attachment of the expansion and contraction cylinder 17. The lifting support frame 21 can be fixed securely. In addition, in conjunction with unlocking, the open frames 5a and 5a are extruded forward through the front lock support member 26a, and the rotational movement is opened to the outside of the left side so that the initial rotational movement can be smoothly performed. to be.

The operation handle 109 of the handle portion 25c of the lock device 25 is formed in a substantially square shape as shown in Figs. 23, 24, and 25, and during thrusting, the threshing machine 11 The upper end portion of the operation handle 109 is in a state in which the upper end of the input pulley cover 11c of the threshing input unit 11b for inputting the rotational power is in a state of being in conformity, and at the time of unlocking, the operation handle ( The tip of 109 is configured to be in a substantially vertical state. Moreover, it is the structure made to be the same as the direction of the rotation movement direction to the outer side of the left side of the harvesting | reaping machine 4, and the unlocking method of the operation handle 109. FIG. Moreover, the operation handle 109 is a structure which can be operated in the cockpit 37.

At the time of storing the operation handle 109 of the handle portion 25c, there is no obstacle. Further, at the time of opening, it is in a vertical state, and when the operation is made from the open state to the stored state, the force easily enters, and the restoration operation is easy. Moreover, the open operation is easy. In addition, since the operation handle 109 can be operated in the cockpit 37, the operation can be easily rotated even in a bad place of the field.

As shown in FIG. 7, between the pivot support metal 19 and the open frames 5a and 5a, the lower side of the mowing elevating support frame 21 is located on the upper side of the traveling chassis 2 as shown in FIG. 7. It is the structure which attached and installed the hydraulic valve 17c for the cylinder 17. FIG.

By rotating the mowing machine 4 to the outside in the left side, maintenance of the hydraulic valve 17c can be facilitated. Further, by being below the mowing / lowering support frame 21, it is possible to prevent the accumulation of dust. Moreover, it is the structure which can utilize a space effectively.

The lower part of the joining member 11d which joins the harvesting machine 4 and the threshing machine 11 between the said rotation support metal 19 and the front side plate 11e of the threshing machine 11 is shown in FIG. As described above, the battery Battery 23a is arranged on the upper side of the traveling chassis 2.

By arranging the battery 23a on the left side of the machine body 1a, the battery 23a can be easily detached and recharged and maintained. Moreover, it is the structure which can utilize a space effectively.

Rotating movement of the harvester 4 to the outside of the left side by the rotation device 15 of the four-point link mechanism 6, and rotational movement of the threshing machine 11 to the outside of the left side of the feed chain 12a are shown in FIG. As shown in 4, it is the structure which can rotate both individually or both simultaneously.

The harvesting machine 4 and the feed chain 12a can be rotated independently or simultaneously, respectively, so that the maintenance of each component according to the situation can be easily performed.

In the structure which the said harvester 4 rotates to the outer side to the left side by the rotation apparatus 5 of the four-point link mechanism 6, as shown in FIG. 30, the detailed structure is the same as the harvester 4 mentioned later and Between the threshing machine 11, the inner auxiliary feed chain 34a of the auxiliary feeder 34 and the outer auxiliary feed chain 34b are provided, and these inner and outer auxiliary feed chains 34a and 34b are, It is a configuration to rotate the auxiliary gear case 35.

The inner and outer auxiliary conveying chains 34a and 34b of the auxiliary conveying apparatus 34 are configured to remain on the machine body side without being moved even when the mowing machine 4 is rotated to the outside of the left side.

By cutting or separating the inlet funnel (not shown) provided on the inlet side of the threshing machine 11, the auxiliary feeder 34 can be rotated, but by fixing them, It is not necessary.

As shown in FIG. 30, the pivot support metal 19 and the threshing machine 11 are connected to the upper joining member 11d and the lower joining member 19c on the lower side via the auxiliary gear case 35. This configuration is connected.

It is the structure which can prevent the fall of the said rotation support metal 19 to the front, and can smoothly rotate the mowing machine 4 to the left side outer side.

The feed chain 12a is rotated to move to the outside leftward. As shown in FIG. 30, the rotating shaft 38a is the structure by which the rotation was freely supported by the support tool 38b provided in the rotating support metal 19. As shown in FIG. The pivot shaft 38a and the chain support plate 12c supporting the feed chain 12a are connected to each other by providing the pivot 39.

The pivot support metal 19 is firmly constructed, whereby the center of rotation of the feed chain 12a can be supported to prevent interference between both sides of the feed chain 12a during rotational movement. Moreover, it is the structure which can rotate largely.

The base side of the rear support arm 8 of the four-point link mechanism 6 is substantially perpendicular to the machine body 1a when the harvesting machine 4 is rotated outward to the left side as shown in FIG. 4. The above configuration is in an open state. Furthermore, it is the structure which curved back or formed in substantially U shape, and prevented contact with the (A) point part of the rotation point of the front support arm 7.

The harvester 4 can be opened largely, so that maintenance of the periphery of the engine 23 is easy. In addition, the centers of rotation (A) and (B) of the front and rear support arms (7, 8) can be brought close to each other, whereby the pivot base metal (19) can be miniaturized, resulting in cost reduction.

Next, the structure which rotates the harvesting machine 200 of another Example to the left side outer side part is demonstrated.

A traveling crawler 203a is provided below the traveling chassis 202 of the combine 201, and a mowing machine 200 is provided at the front of the traveling chassis 202 to cut the grain and transport it to the rear upper portion. In addition, the feed chain 205 of the threshing machine 200 and the auxiliary grain conveying apparatus 207 which transfers and supplies the grains which were cut | disconnected and is supplied to the interdental space 206 are provided in front of the threshing machine 204. to be. If an opening and closing device 208 for opening and closing the mowing machine 200 to the outside is provided, and the mowing machine 200 is opened to the outside by the opening and closing device 208, the auxiliary grain feeder 207 simultaneously with the mowing machine 200. ) Is also open to the outside.

The mowing machine 200, the auxiliary grain feeder 207, the closing device 208, etc. are mainly shown and demonstrated.

Below the traveling chassis 202 of the combine 201, as shown in FIG. 38, a traveling apparatus 203 provided with a pair of left and right traveling crawlers 203a that travels the soil surface is installed and travels. The upper side of the chassis 202 is a structure in which the threshing machine 204 which threshes grain is arrange | positioned. The grain standing by the mowing machine 200 in which the opening and closing rotation is freely installed to the left outer side of the front part of the traveling vehicle 202 is cut off, and this cut grain is conveyed to the rear upper part by the mowing machine 200. Transferred to the auxiliary grain feeder 207 in front of the threshing machine 204 to be described later, fed to the feed chain 205 of the threshing machine 204 and the pinching spaces 206 are taken over, it is threshed while conveying the pinch. The grains which finished the threshing and sorting are temporarily stored in the grain storage tank 209 provided in the upper side on the right side of threshing machine 204.

At the front of the traveling chassis 202, as shown in Fig. 38, a popular device 212 for producing grain standing from the front end position of the mowing machine 200, and a grain feed and transfer device for feeding the produced grain ( 213 of the scavenging device 213a, the towing device 214 that cuts the inserted grains, and the auxiliary grain transfer device 207, which is interposed between the grains sliced and installed in front of the threshing machine 204. Feeding device of the feed chain 205 of the threshing machine 204 from the inner auxiliary chain 207a, the outer auxiliary chain 207b, and the interstices 206, and the grain feeding and feeding device 213. The harvesting machine 200 which consists of 215a, 215b, etc. is provided. The harvesting machine 200 is a structure in which the lifting and lowering is freely moved with respect to the soil surface by the expansion and contraction cylinder 216 by hydraulic driving.

On the upper end portion of the support section 217a inclined from the front lower part to the rear upper part of the harvester 200, a support pipe section 217b in the left and right direction is provided, and the support pipe section 217b is disposed in the traveling chassis 202. Rotation is supported freely by the support apparatus 218 provided in the upper surface, and the mowing machine 200 rotates up and down by operating the expansion-cylinder 216, making the support pipe 217b the rotation center. .

The grain sensor 200a which detects the supply of grain to the threshing machine 204 by contacting the grains which are cut and conveyed in the grain conveyance path formed by the grain feed conveying apparatus 213 of the mowing machine 200. It is a configuration installed.

Auxiliary grain conveying apparatus 207 for transferring the grains conveyed to the base and the ear conveying apparatuses 215a and 215b of the grain feeding and conveying apparatus 213 of the mowing machine 200 is as shown in FIGS. 34-36. As described above, the front side of the sheller 204 is configured to be attached to the left end of the sheller 200.

34-36, the said auxiliary grain conveying apparatus 207 is a structure which provided the inner side auxiliary chain 207a in the inside, and the outer side auxiliary chain 207b in the outer side. These inner and outer auxiliary chains 207a and 207b are rotated by the drive device 219. On the lower side of the transfer terminal of the inner auxiliary chain 207a, an auxiliary gear case 219a incorporating the power mechanism 219b of the drive device 219 is provided, and the transmission mechanism 219b of the auxiliary gear case 219a is provided. ) Is a configuration that is input via the transmission belt 217e from the transmission mechanism 217d incorporated in the support pipe 217b of the mower 200. By this input, the inner auxiliary chain 207a is driven to rotate.

The transfer end of the outer auxiliary chain 217b is pivotally driven from the rotating shaft 217f provided at the starting end of the inner auxiliary chain 207a. As a result, the outer auxiliary chain 217b is rotated.

As shown in FIGS. 34-36, the harvesting machine 200 uses the combine shaft with the pivot shaft 208a of the switchgear 208 provided above the traveling chassis 202 as the pivot point P. The opening and closing is freely rotated to the left outside of 201).

The grains which are cut by the harvester 200 and conveyed to the rear upper part are provided at the front side of the threshing machine 204 and the inner and outer auxiliary chains 207a of the auxiliary grain conveying apparatus 207 installed on the left end side of the harvester 200. 207b), fed to the feed chain 205 of the threshing machine 204 and the interstices 206, and freely opened and closed, the mower 200 moves the switchgear 208 to the pivot point P. When the opening operation is performed outward, the harvesting machine 200 moves openly to the outside, and in conjunction with the rotational movement, the inner and outer auxiliary chains 207a and 207b of the auxiliary grain feeder 207 are simultaneously moved. The opening and closing of the auxiliary grain transfer device 207 to the inner auxiliary chain 207a by the auxiliary gear case 219a enables the removal of the inner and outer links. There will be no. Moreover, by rotating to the outside, the lower part of the harvester 200 becomes an open state, and maintenance of each component becomes easy.

The pivot point P of the rotation shaft 208a of the opening and closing device 208 for opening and closing the mower 200 to the outside is an inner auxiliary chain of the auxiliary grain transfer device 207 as shown in Figs. The auxiliary gear case 219a of the drive device 219 which rotates and drives 207a is located in front of the left side.

As shown in FIGS. 34 to 37, the expansion and contraction cylinder 216 for lifting and lowering the mower 200 has an L shape on the lower side of the upper outer peripheral part of the support rod 217a for supporting the mower 200. A triangular mounting plate 220 is mounted by bolts or the like, and the front end of one side of the expansion and contracting cylinder 216 is attached to the mounting plate 220 by the front mounting pin 216a. Upper and lower support metals of the support device 217c for supporting the support pipe section 217b of the upper end of the support section 217a at a predetermined position in the upper and left and right directions of the front support frame 202a of the traveling chassis 202. Among the 218a and 218b, the other rear end of the expansion-contraction cylinder 216 is attached to the rear lower part of the lower support metal 218b by the rear attachment pin 216b, and is provided.

The mounting plate 220 of the support section 217a and the expansion and contraction cylinder 216 mounted to the lower support metal 218b are viewed from the traveling crawler 203a of the traveling device 203 as viewed from the side. The expansion and contraction cylinder 216 is moved and crawled even when the mowing machine 200 is moved upward and leftward by setting the mowing machine 200 as the pivot point 208a of the pivot shaft 208a of the switchgear 208. It is a structure which does not contact 203a.

The expansion and contraction cylinder 216 for increasing and removing the mower 200 is installed from the traveling crawler 203a of the traveling device 203 by being positioned upward from the side, thereby opening and closing the mower 200 to the left and right. Even when it moves, the expansion and contraction cylinder 216 does not contact the traveling crawler 203a, and therefore, the expansion and contraction cylinder 216 does not need to be removed. In addition, the rotation movement operation is easy for this reason. Furthermore, this expansion cylinder 216 can be prevented from depositing and adhering to mud by being in a high position.

On the front side of the grain storage tank 209 side, as shown in FIG. 38, an operation device 221 for starting, stopping, and adjusting the components of the combine 201, and for performing these operations. In installing the cockpit 222 in which an operator boards, it installs in the cockpit 223b formed from the cockpit case 223a, and below this cockpit 222, on the upper surface of the traveling chassis 202, While arranging the engine 224, a grain storage tank 209 is provided in the rear portion. These traveling devices 203, harvesting machine 200, threshing machine 204, engine 224, and the like form the machine body 201a of the combine 201.

A potentiometer type vehicle speed sensor that detects the traveling vehicle speed based on the output of the transmission path of the transmission mechanism 225a in the mission case 225 for traveling over the front end of the traveling chassis 202 ( 225b) is installed.

At the rear of the grain storage tank 209, the discharge support cylinder 226 having the vertical feed spiral 226a is installed to be freely rotated in a substantially vertical position, and at the upper end of the discharge support cylinder 226, Freely expandable discharge auger 227, in which the entire length is freely built in the discharge spiral 227a for discharging the grain out of the machine over the front and rear of the combine 201, freely up and down rotation, free left and right turning It is a structure arranged in the front-back direction.

Rotating point P of the rotating shaft 208a of the opening and closing device 208 for opening and closing the mower 200 is configured to move the mowing machine 200 to a working position and a non-working (maintenance) position. In the configuration in which the auxiliary grain feeder 207 is rotated and driven from the driving device 219 to the front left side, the harvesting device 228 for opening and closing the harvester 200 is shown in FIGS. 37, 41, and As shown in FIG. 42, the mowing open device 228 is provided between the lower support metal 218b of the inner support device 217c and the outer support metal 229 provided on the outer rotation shaft 208a. The front and rear support bars 228a and 228b are provided and connected.

The rear attachment pin 216b supporting the rear end of the expansion cylinder 216 is installed by protruding from both the left and right side projections of the rear portion of the lower support metal 218b to both transverse sides, and the mower 200 is in the working position. In this case, the left and right ends of the rear attachment pin 216b are axially supported by the receiving holders 230 provided on the front support frame 202a of the traveling chassis 202.

As shown in FIGS. 35-37, 41, and 42, the inner support plate 228c is provided in the rear support section 228b of the said mowing-opening apparatus 228, and the outer support metal ( 229 is provided with an outer connecting plate 288d, and an interconnection 228e is provided between these inner and outer connecting plates 228c and 228d.

As a result, the rear attachment pin 216b of the expansion and contraction cylinder 216 is received by the traveling chassis 202 through the accommodation holder 231, thereby reducing the load and impact applied to the expansion and contraction cylinder 216 at the time of operation. This can prevent damage to the mowing open device 228.

In the structure which opens and closes the mower 200 to the left outer side, the expansion-and-closing cylinder 216 which raises and lowers the mower 200 is outer side simultaneously with the mower 200 as shown in FIGS. 34-36. The opening and closing rotation movement is freely installed.

The mowing solenoid valve 216c provided below the expansion cylinder 216, the attachment frame 221a for mounting the operating device 221, and the connection port 204a for connecting the threshing machine 204, As shown in FIG. 39 and FIG. 40, it is the structure connected with the cylinder hose 216d. The cylinder hose 216d is configured to be close to the rotation shaft 208a of the opening and closing device 208, to be mounted by means of a hose clamp or the like, and to allow the cylinder hose 216d to be relaxed in this proximity. . Even when the mowing machine 200 is opened and closed, the cylinder hose 216d is tensioned and is configured so as not to escape.

As a result, the cylinder hose 216d connecting the expansion and contraction cylinder 216 and the mowing solenoid valve 216c is brought close to the opening and closing shaft 208a of the opening and closing device 208, and the clearance is provided at this proximal portion. By attaching and installing, it is possible to prevent the cylinder hose 216c from curling and slipping even when the mowing machine 200 is rotated to the working position.

In the configuration in which the mower 200 is freely opened and closed to the left and the outside, the rear holder of the rear end portion of the lifting cylinder 216 is supported by the receiving holder 330 provided on the front support frame 202a of the traveling chassis 202. 37. In the structure which supported the pin 216b and provided the support pin 218c provided in the front lower end part of the lower support metal 218b by the receiving opening 330a of the front support frame 202a, FIG. 38 and 39, these rear support pins 216b and hooks 232 for fixing the support pins 218c to the traveling chassis 202 are provided.

37, 38, and 39, the hook portion 232 is provided with a fixing portion 232a at the front portion and an extruded portion 232b at the rear of the fixing portion 232a. A support plate 330b is provided on the rear of the housing holder 330 provided on the front support frame 202a, and the support plate 330b is equipped with a housing plate 233 and a handle 233a for opening and closing. The hook 232 is attached to this housing plate 233 with an attachment pin 233b. In operation, the rear support pin 216b is fixed to the fixing portion 232a of the hook 232. In addition, when releasing the fixation, when the opening and closing handle 233a is rotated, the rear support pin 216b is pushed forward by the extruded portion 232b of the hook 232, and the rear support pin 216b. Departing from the receiving holder 330, the mowing machine 200 is configured to be in an open operation state.

Thereby, when fixing the mowing machine 200, it can be fixed, even if the support metal 218b does not rotate to a fully fixed position. In addition, when opening and closing, the hub support metal 218b can be slightly pushed out by the extension of the opening operation. For this reason, even when the rear support pin 216b penetrates into the lower support metal 218b at the time of opening or fixing, it does not apply an excessive external force to the mowing machine 200 in an open state and a fixed state. You can do it.

Next, the objective of rotating the harvesting pretreatment unit of the general-purpose combine to the rear to achieve good maintenance of the take-over section of the grain conveyance passage is achieved by a simple configuration while securing the support rigidity of the harvesting pretreatment unit. One configuration will be described.

As shown in Fig. 43, the machine body 301 of the general-purpose combiner has a control unit 303 mounted on the upper front of the crawler type traveling device, and a grain storage device 304 behind the control unit 303. ), A grain conveying apparatus having a full-width input threshing apparatus 305 mounted on the lateral side of the grain storage device 304, and a conveying apparatus built in front of the threshing apparatus 305; The up-and-down rotation of the cylinder 306 communicates freely, and the harvesting preprocessing part 307 communicates with the front end of the grain conveyance cylinder 306, and is comprised.

The control unit 303 includes a main switch for starting the engine, a steering lever for manipulating the driving direction of the machine body, a main gear lever and a sub gear lever for shifting the traveling device, Swiveling and ups and downs of the discharge clutch bar (Gutch bar) for controlling the transmission of the driving force to the grain discharge device installed in the grain storage device 304, and the grain discharge device installed in the grain storage device (304) V) a discharge device operating lever for operating rotation, a threshing clutch bar for grating the power transmission to the threshing device 305, a mowing clutch bar for grating the power transfer to the mowing pretreatment unit 307, and various meters. And the seat are surrounded by a gear box 308.

The grain storage device 304 temporarily stores grains that have been segregated and picked by the threshing device 305, and includes a tank body 309 having a grain feeding device at the bottom thereof. And a blower for carrying the wind conveyed by the grain dispensing device to the wind, and a discharge cylinder 310 having a grain outlet at the distal end thereof by connecting a base to the blower. Moreover, the discharge barrel 310 is freely configured to swing and swing by the operation of the discharge device operating lever.

The threshing apparatus 305 is a structure which arrange | positions a sorting chamber below the feeding chamber, The supply chamber is provided with a feeding network along the lower outer periphery of a spiral class cylinder, and is sorted. In the thread, the swinging shelf is freely installed so that the swinging motion can be sorted by wind, and the selected grain is picked up by the bucket conveyor 311 to the tank body 309 of the grain storage device 304. It is a composition to input.

The grain conveying container 306 is formed by a cylindrical body having a rectangular cross section to incorporate a conveying elevator therein. The conveying elevator is axially crosslinked at the front end and the rear end of the grain conveying container 306. Two left and right endless chains are respectively wound around two left and right drive sprockets and two driven sprockets, and a plurality of slats are attached to the endless chains. Then, the rear end of the grain conveying container 306 is connected to the front of the feeding chamber of the threshing apparatus 305, and the grain conveying container 306 is moved up and down by a mowing upper and lower cylinder with the vicinity of the communicating portion as the pivot point. Configuration.

The harvesting pretreatment unit 307 is attached to the front end of the grain conveying apparatus 306 by communicating with the back side of the bucket-shaped grain conveying frame 312, and to the grain conveying frame 312. On the other hand, the herbaceous bodies 313 and 313 are attached to the front end of the left and right side walls, the tow 314 is attached to the front edge of the bottom part, and the quenching reel is placed on the upper side of the towing 314. , 315, the drive rotation is freely arranged, and the grain transport auger (316) in the rear of the towing 314 and the hardening reel (315) drive shaft freely cross-linking.

'316' is a battery, and '317' is a fuel tank.

And, as shown in FIG. 44, the harvesting preprocessing part 307 is rotatably supported to the side.

As shown in FIG. 46, along the outer side of the semi-control part 303 side of the grain conveyance container 306, the hardening reel 315 from the threshing apparatus 305 side or the machine main body 301 side, and The pretreatment transmission unit 319 for transmitting the driving force to the towing 314 and the grain collecting auger 316 is disposed. The main part of the pre-processing unit transmission device 319 is a drive sprocket provided on the input shaft of the rear end of the grain conveying container 306 and a driven sprocket provided on the counter shaft 320 of the front end of the grain conveying container 306. 321 and the tension sprocket 322 is wound around the endless electric chain 323 and configured. Thereby, the stepless transmission chain 323 of the preprocessing part transmission device 319 is arrange | positioned with respect to the grain conveyance container 306 along the outer surface on the opposite side to the control part 303 presence side, in the front-back direction.

As illustrated in FIG. 49, the counter shaft 320 is supported through the side wall 324 of the grain conveying container 306, and an electric protrusion is provided on the outer side of the driven sprocket 321 installed on the counter shaft 320. 325 is installed. In addition, the intermediate shaft 326 is supported on the grain collecting frame body 312 side through the bearing 327, and the electric projection 328 is provided at the inner end of the intermediate shaft 326, and the intermediate shaft 326 is provided. The auger drive sprocket 329 is provided on the outer side of the head). The joint 330 is formed by the motor-driven protrusion 325 on the side of the counter shaft 320 and the motor-driven protrusion 328 on the side of the intermediate shaft 326. Furthermore, the outer end of the output shaft 331 is supported by the bearing 332 on the grain conveyance frame 312 side, and the inner end of the output shaft 331 is bearing on the outer end of the intermediate shaft 326. 333 is supported. The output 331 is provided with a reel drive sprocket 334 and a towing drive pulley 335. The reel drive sprocket 334 is freely splined to the output shaft 331 only in the sliding direction thereof, and is provided with the outer ends of the reel drive sprocket 334 and the intermediate shaft 326. The clutch 336 is formed in between. By cutting the clutch 336 by the operation of the shifter 337, the rotation of the reel drive sprocket 334 and the towing drive pulley 335 stops, and the quenching reel 315 and the towing 314 are driven. The stationary, hand-pulled grain is safely thrown into the grain collecting frame 312 to be turned over to the grain collecting auger 316 to be introduced into the threshing apparatus 305.

Referring back to FIG. 46, the towing drive belt 340 is wound between the towing drive pulley 335 and the towing input pulley 339 provided on the towing drive gear case 338, and the towing transmission belt 340 is illustrated. Is tensioned by a towing electric tension pulley 341. Further, the reel transmission intermediate chain 344 is wound between the reel drive sprocket 334 and the counter sprocket 343 provided on the vertical pivot shaft of the reel support arm 342. These examples of the transmission belt 340 and the reel transmission intermediate chain 344 also form a major part of the pretreatment transmission unit 319. The reel drive chain 347 is wound between the counter sprocket 343 and the reel input sprocket 346 axially supported by the reel support boss 345 on the reel support arm 342. The reel support boss 345 supports the central axis of the hardened reel 315 and attaches the reel input sprocket 346 to the end of the central axis. In addition, the reel support arm 342 is vertically rotated by the reel up and down cylinder 348, and the reel support boss 345 is on the reel support arm 342 by the electric reel adjustment motor 349. It is configured to slide in the longitudinal direction. Further, '350' is a hardening tine installed in the hardening reel 315 in a large number, and '351' is a grounding sensor for notice control and mowing rolling control.

Further, as enlarged in FIGS. 47 and 48, the upper side and the lower side of the preprocessing unit transmission device 319 (the upper side and the lower side of the endless electric chain 323) as the outer side of the front end of the grain conveying tube 306. Or two vertical shafts 352 and 352 on the counter shaft 320 and the intermediate shaft 326). As a result, the two intermediate shafts 352 and 352 are disposed outside the sidewalls of the grain conveyance frame 312 at positions inside the towing drive pulley 335. That is, two boss members 353 having vertical holes on the upper side and the lower side (upper side and lower side of the stepless transmission chain 323) of the preprocessing unit transmission device 319 as the outer side of the front end of the grain conveying tube 306. 353). On the other hand, the pins 354 and 354 inserted into the boss members 353 and 353 are attached to the rear surface of the grain conveyance frame body 312 on the side of the harvesting pretreatment unit 307 in a downwardly protruding state. As a result, when the two upper and lower pins 354 and 354 are inserted through the boss members 353 and 353, the harvesting pretreatment unit 307 is freely supported on the grain conveyance barrel 306 in the lateral rotation. Further, the longitudinal axes 352 and 352, that is, the boss members 353 and 353 and the pins 354 and 354, are in a vertical position in a state in which the cutting pretreatment unit 307 is raised to a normal cutting operation height. It is better to set the angle to be inclined at an appropriate angle.

In addition, a round pipe 355 having a posture in the horizontal direction is attached to the upper end of the front end of the grain conveying container 306, and on the upper rear surface of the grain conveying frame 312 on the harvesting pretreatment unit 307 side, The U-shaped holders 356 and 356, which can enclose the round pipe 355, are attached. In the holders 356 and 356, a guide surface is formed to be widened by the tip end side, and lock pins 357 and 357 for supporting the rounded state of the round pipe 355 are inserted. Pin holes 358 and 358 are formed.

In addition, as shown in FIG. 50, the engagement pin 359 protrudes from the bottom part side surface of the grain conveyance container 306 at the side of the control part 303 presence, and the harvesting preprocessing part 307 is shown. On the back of the bottom portion of the grain transport frame 312 on the side, the lock hook 360 that can be coupled to and released from the coupling pin 359 is axially mounted freely. The locking hook 360 is configured to rotate in the unlocking direction by the downward rocking operation of the unlocking lever 361 provided near the side surface of the grain transport frame 312 on the side of the control unit 303 present.

Then, the lock pin 357 is pulled out from the holder 356 and removed, and the lock release lever 361 swings upward. When the lock hook 360 rotates upward, the lock pin 360 rotates upward and is separated from the pin to be engaged 359. do. In this state, when the total control part 303 presence side of the grain transport frame 312 is moved to draw forward, the grain transport frame 312 rotates laterally about the longitudinal axes 352 and 352, and The grain outlet of the back surface of the grain conveyance frame body 312 and the grain inlet of the front end of the said grain conveyance container 306 are separated, and the take over part is opened, and it is in the state which performs maintenance easily. At this time, since the longitudinal axes 352 and 352 are disposed inside or near the left and right widths of the pretreatment transmission unit 319 as the outside of the front end of the grain conveyance barrel 306, the grain conveyance cylinder 306 is supported. Compared with the configuration in which the longitudinal shafts 352 and 352 are disposed outside the pretreatment transmission unit 319, the support strength of the longitudinal shafts 352 and 352 is increased, and the mowing pretreatment unit 307 is rotated laterally. It is less likely that the harvesting pretreatment unit 307 descends vertically due to its own weight. In addition, by rotating the grain conveying frame 312 laterally, the coupling between the electric protrusion 325 on the counter shaft 320 side and the electric protrusion 328 on the intermediate shaft 326 side is released, and the joint 330 ) The transmission state of the motor is cut off.

After the maintenance is completed, the grain conveyance frame 312 is returned to its original position and the grain discharging port on the rear face of the grain transport frame 312 is connected to the grain inlet of the front end of the grain conveying container. Is smoothly surrounded by the holders 356 and 356 while being guided to the guide surface that is spaced apart by the tip end sides of the holders 356 and 356, and the motorized protrusion 325 and the intermediate shaft 326 on the counter shaft 320 side. The motor-driven protrusion 328 on the side is coupled so that the electric transmission state of the joint 330 is connected, and the mowing operation is possible.

Therefore, even when the cutting pretreatment unit 307 is rotated to the other side, it is less likely that the cutting pretreatment unit 307 descends vertically by its own weight, and the cutting pretreatment unit 307 returns to its original working state. It is easy to make a communication connection between the cutting pretreatment unit 307 and the grain conveyance container 306 at the time of rotation, and, after maintenance, the cutting pretreatment unit 307 is rotated back to its original position. Since the transfer state is connected and the mowing operation is possible, the maintenance work of the joint of the mowing pretreatment unit 307 and the grain conveyance container 306 can be performed efficiently.

In addition to the structure of the above-mentioned general-purpose combine, the inclination sensor 362 is provided in the vertical axis 352, 352, and the inclination sensor 362 is configured to detect the inclination angles of the vertical axis 352, 352. In addition, a solenoid push pin (363) is provided in the lock hook (360) that can restrain upward rotation of the lock hook (360). The inclination sensor 362 is connected to the input side of the combine 364, and the solenoid push pin 363 is connected to the output side thereof.

With this configuration, when it is detected that the longitudinal axes 352 and 352 are inclined by the inclination sensor 363, the solenoid push pins 363 protrude to prevent the upward rotation of the lock hook 360. To release the lock. On the other hand, when the vertical pretreatment unit 307 is raised and lowered so that the longitudinal axes 352 and 352 are in a substantially vertical posture, the solenoid push pins 363 are retracted to enable upward rotation of the lock hook 360. Allow unlocking

Thereby, in the case where the cutting pretreatment unit 307 is to be rotated sideways while the longitudinal axes 352 and 352 are inclined, the risk of causing the cutting pretreatment unit 307 to suddenly rotate sideways can be avoided.

Moreover, you may comprise in the following form.

The inclination sensor 365 is provided in the vertical shafts 352 and 352, and the inclination sensors 365 detect the inclination angles of the vertical shafts 352 and 352. In addition, the lock hook 360 is provided with a solenoid push pin 366 that can restrain upward rotation of the lock hook 360. Then, the controller 367 is connected to the input side of the tilt sensor 365 and the mowing preprocessor side rotation switch 368 provided on the adjustment unit 303, while the solenoid push pin is connected to the output side of the controller 367. (366) and the mowing upper and lower cylinder operation solenoid 369 are connected.

With this configuration, when it is detected that the longitudinal axes 352 and 352 are inclined by the inclination sensor 362, the solenoid push pins 363 protrude so that the upward rotation of the lock hook 360 is impossible. To release the lock. On the other hand, when the mowing preprocessing unit side pivot switch 368 is operated, the mowing preprocessing unit is output until the mowing upper and lower cylinder operation solenoids 369 are stretched and controlled, and the tilt sensor 362 detects the vertical vertically. 307 is automatically adjusted up and down.

As a result, since the longitudinal axes 352 and 352 become substantially vertical postures, the solenoid push pins 363 are retracted to enable the upward rotation of the lock hook 360. Therefore, in the case where the cutting pretreatment unit 307 is to be rotated laterally while the longitudinal axes 352 and 352 are inclined, the risk of causing the cutting pretreatment unit 307 to suddenly rotate sideways can be avoided.

In addition to the structure of the mowing open of the above-mentioned general-purpose combine, as shown in FIG. 56 and later, both of the communication portions between the rear end of the grain conveying container 306 and the threshing apparatus 305 are configured to be separable. Then, a support frame 370 framed and assembled into a rectangle is installed so as to surround the grain inlet at the rear end of the grain conveying container 306, and the rear end of the grain conveying container 306 is up and down with respect to the supporting frame 370. Rotation connects freely.

Then, the outer edge portion of the support frame 370 is attached to the front end of the threshing apparatus 305 through two vertical shafts 371 and 371, and the lower portion of the support frame 370 is provided. A mowing top and bottom cylinder 371 is attached over the front end of the grain conveyance container 306. As a result, when the mowing pretreatment unit 307 and the grain conveyance barrel 306 are integrally laterally rotated, the mowing upper and lower cylinders 371 also rotate sideways integrally, so that the mowing upper and lower cylinders 371 are separated. There is no need, and maintenance work can be performed easily.

Further, the locking hooks 372 and 372 are vertically attached to the upper and lower portions of the vertical frame portion on the opposite side of the vertical frames 371 and 371 of the support frame 370, and the threshing apparatus 305 is provided. The lock pins 373 and 373 to which the lock hooks 372 and 372 are coupled are protruded on the inner side of the front end of the front end portion. In addition, the locking hooks 372 and 372 are connected to the rod 374 so as to rotate up and down by interlocking with each other, and a lock release lever capable of rotating the lower locking hook 372 in the unlocking direction ( 375). 57 and 58, the unlocking lever 375 is disposed on the lower front outside of the threshing apparatus 305. However, as shown in Figs. 59 and 60, the threshing apparatus 305 It may be provided inside the upper front side, arrange | positioned between the threshing apparatus 305 and the control part 303, and may be comprised so that it can be controlled from the control part 303. FIG. Thereby, the operator who boarded the control part 303 can easily release this lock release lever, and the efficiency of maintenance is improved.

According to this structure, when the harvesting pretreatment part 307 is rotated sideways, since the grain conveyance container 306 is also rotated sideways integrally, not only the joint part of the harvesting preprocessing part 307 and the grain conveyance container 306 but also The maintenance of the inner lower part of the control part 303 hidden by the grain conveyance container 306 can also be performed easily. In addition, since the harvesting pretreatment unit 307 and the harvesting upper and lower cylinders 371 rotate sideways integrally, if the harvesting pretreatment unit 307 is only floating against the ground, the harvesting pretreatment is performed regardless of the lift position. The part 307 and the grain conveyance container 306 can be rotated sideways, and maintenance can be performed efficiently.

According to the invention described in claim 1, by opening the mowing device to the outside, maintenance on the mowing device side and the traveling chassis side hidden by the mowing device can be easily performed.

According to the invention described in claim 2, the mowing device can be moved largely outward, and the maintenance of the traveling chassis side hidden by the mowing device and the mowing device can be easily performed.

According to the invention as set forth in claim 3, the mowing device can be opened and closed easily without attaching and detaching a lifting device such as a hydraulic cylinder for lifting the mowing device, and the driving chassis side hidden by the mowing device and the mowing device. Maintenance can be performed easily.

According to the invention as set forth in claim 4, the mowing device can be opened and closed to the outside without attaching or detaching an electric belt or the like for driving the auxiliary feeding device, and the holding device side or the running chassis side hidden by the mowing device is held. Maintenance can be performed easily.

Claims (4)

It is installed in the front part of the traveling chassis on the upper side of the traveling device, and includes a mowing device that cuts grain. The harvesting device is a combine, characterized in that installed so as to rotate to the outside of the side of the traveling vehicle. A mowing device, which is installed at the front of the traveling chassis above the traveling device, and cuts grains; The harvesting device is a combine, characterized in that attached via the link mechanism to be rotated to the outside of the traveling vehicle side. A mowing device, which is provided at the front of the traveling vehicle's upper side of the traveling device and cuts grain, and a lifting driving device which lifts and lowers the mowing device, The harvesting device and the lift drive device are combined, characterized in that attached to be able to rotate to the outside of the traveling vehicle integrally. A mowing device, which is provided at the front of the traveling vehicle's upper side of the traveling device and cuts grains, and an auxiliary transport device which transfers grains from the mowing device to the feed chain of the rear threshing device; , The harvesting device and the auxiliary transport device are combined, characterized in that attached to be able to rotate to the outside of the side of the traveling vehicle integrally.

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