JP4623194B2 - Combine - Google Patents

Description

  The present invention relates to a combine.

  As shown in Japanese Patent Application Laid-Open No. 2002-95335, the combine is provided with a boarding operation unit on the upper right side portion on the upper side of the traveling chassis, and a threshing portion is provided on the upper rear left side portion. In the configuration, a cutting portion is provided.

  A cylindrical frame is provided to support the cutting part in the front-rear direction, and a horizontal cylindrical frame in the horizontal direction is provided at the upper end of the cylindrical frame to support the cutting part. A support structure is provided at the left end of the horizontal cylindrical frame, and the cutting part is configured to be rotatable to the left outer side with the vertical axis provided on the support structure as a rotation center.

When the mowing part is rotated to the maintenance position on the left outer side to perform maintenance on the mowing part and the parts provided at the lower part of the mowing part, the lock pin provided on the support structure is removed and After removing the hydraulic cylinder or the like provided on the cylindrical frame, the mowing part is pivoted to the left outer side, the lock pin is inserted into the maximum pivot position and locked, and maintenance is performed. In addition, during the harvesting operation of the culm, the culm is harvested and transferred by the harvesting unit located on the front side of the threshing unit and to the side of the boarding operation unit, and supplied to the threshing unit for threshing.
JP 2002-95335 A

  When the mowing part is pivoted to the left outer maintenance position, the mowing part cannot be largely pivoted. However, the present invention intends to solve this problem.

For this purpose, the invention described in claim 1 is provided with a travel device (3) below the chassis (2), and a reaper (4) provided with a grain supply and transfer device (15) in front of the chassis (2). ) place the car platform (2) of the upper threshing machine equipped with a feed chain (12a) and (11) is provided, the support from the bottom of front Symbol reaper (4) is provided to be inclined to the upper rear A support pipe (18b) in the left-right direction is provided at the upper end of the member (18a), and both left and right ends of the support pipe (18b ) are rotatably supported by the cutting lift support frame (21). 21) A telescopic cylinder (17) is mounted between the frame (5a) projecting downward from the support member (18a), and the reaper (4) is supported by a telescopic pipe (4) by the telescopic operation of the telescopic cylinder (17). 18b) is configured to rotate up and down around the center of rotation, and the chassis (2) The base portion of the front support frame (7) and the base portion of the rear support frame (8) are pivotally supported by the rotation receiving member (19) provided on the side so that the vertical support is rotatable, and the end of the front support frame (7) Four-point link mechanism (6) for moving the reaper (4) to the left outer side by pivotally supporting the upper part and the end of the rear support frame (8) on the reaping lift support frame (21) so that the vertical axis can be rotated. The mowing / lowering support frame (21), the frame (5a), and the telescopic cylinder (17) move together with the mower (4) by the movement of the mower (4) to the left outer side, The combine is characterized in that the feed chain (12a) is pivotally supported on the rotation receiving member (19) so that the feed chain (12a) can be rotated to the left outer side with the transfer start end side of the feed chain (12a) as a rotation center . Is.
According to a second aspect of the present invention, the base portion of the front support frame (7) is pivotally supported by the first rotation fulcrum (A) provided at the left front portion of the rotation receiving member (19), and the first rotation is supported. A base portion of the rear support frame (8) is pivotally supported by a second rotation fulcrum (B) provided at an inner rear portion of the fulcrum (A), and an end portion of the front support frame (7) is cut and lifted support frame (21). The end of the rear support frame (8) is supported by the second support fulcrum (D) provided at the inner rear part of the cutting lift support frame (21). A four-point link mechanism (6) that pivotally supports and supports the reaper (4) movably to the left outer side is configured, and the first rotation fulcrum (A) and the second rotation fulcrum (B) The first rotation fulcrum (A) and the first support fulcrum than the distance (L1) between them and the distance (L2) between the first support fulcrum (C) and the second support fulcrum (D). The distance (L3) between (C) and the distance (L4) between the second rotation fulcrum (B) and the second support fulcrum (D) are longer, and the first rotation fulcrum (A) The distance (L4) between the second rotation fulcrum (B) and the second support fulcrum (D) is set to be longer than the distance (L3) between the first support fulcrum (C) and the first support fulcrum (C). The reaper (4) supported by the rotation receiving member (19) by the four-point link mechanism (6) and the feed chain (12a) pivotally supported by the rotation receiving member (19) interfere with each other. The combine according to claim 1, wherein the combine is configured to move independently or simultaneously to the left outer side.
According to a third aspect of the present invention, the culm harvested by the reaper (4) and clamped and transferred by the cereal supply and transfer device (15) is taken over between the reaper (4) and the threshing machine (11). The support pipe (18b) includes a first auxiliary transfer chain (34a) to be transferred and transferred to the feed chain (12a) and a second auxiliary transfer chain (34b) disposed outside the first auxiliary transfer chain (34a). A transmission input pulley (18c) to which the rotational power of the engine (23) is input is provided at one end of the transmission mechanism (18d) provided in the transmission mechanism (18d), and the auxiliary gear case (35) extends from the other end of the transmission mechanism (18d). The driving force is input to the first auxiliary transfer chain (34a) and the second auxiliary transfer chain (34b) from the auxiliary gear case (35) to drive the first auxiliary transfer chain (34b). Combine with Those were.

According to the first aspect of the invention, by moving to the left outer side of the bush winding machine (4),該刈winding machine (4) maintenance of itself, and the lower of the transmission case and the engine該刈winding machine (4) Maintenance can be performed.
Further, the feed chain (12a) can be smoothly rotated to the left outer side by pivotally supporting the feed chain (12a) on a strong rotation receiving member (19) that supports the reaper (4). it can.
According to the invention described in claim 2, in addition to the effect of the invention described in claim 1, the reaper (4) can be moved greatly to the left outer side, and the reaper (4) is threshing machine (11). Can be prevented from coming into contact with the feed chain (12a). Moreover, the reaper (4) and the feed chain (12a) can be moved individually or simultaneously, and maintenance of each part suitable for the situation can be easily performed. Further, in the movement of the reaper (4) and the rotation of the feed chain (12a), interference between them can be prevented, and the reaper (4) and the feed chain (12a) can be moved greatly.
According to invention of Claim 3, in addition to having the effect of the invention of Claim 1 or Claim 2, the culm that is cut by the reaper (4) and clamped and transferred by the cereal supply device (15) is provided. The first auxiliary transfer chain (34a) and the second auxiliary transfer chain (34b) disposed outside the first auxiliary transfer chain (34a) can be handed over and transferred to the feed chain (12a).

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
A traveling chassis (chassis) 2 is provided on the upper side of the traveling device 3 of the combine 1, and a reaper 4 is provided at the front part of the traveling chassis 2 for harvesting and transferring the culm to the rear upper part. Further, on the upper side of the traveling chassis 2, a threshing machine 11 for threshing cereals supplied from the reaper 4 is placed. The rotational movement of the reaper 4 to the laterally outer side is a configuration in which the reamer 4 is rotationally moved by the rotational device 5 formed by the four-point link mechanism 6. The cutting lift support frame 21 is provided with the open frame (frame) 5a of the rotation device 5 mounted between the cutting lift support frame 21 of the rotating device 5 and the traveling chassis 2 and the open frame. A lock device 25 that locks the reaper 4 is provided between 5 a and the traveling chassis 2. The reaper 4, the turning device 5 of the four-point link mechanism 6, and the lock device 25 are mainly illustrated and described.

  A traveling device 3 having a pair of left and right traveling crawlers 3a that travel on the soil surface as shown in FIGS. 1, 3, and 15 is disposed below the traveling chassis 2 of the combine 1. On the upper side of 2, a threshing machine 11 for threshing cereals is placed. The napped grain culm is harvested by the reaper 4 at the front part of the traveling chassis 2, and this reaped cereal is transferred to the rear upper part by this reaper 4, and is taken over by the feed chain 12 a of the threshing machine 11 and the sandwiching trough 12 b. And threshing while being held and transferred. The threshed and selected grain is temporarily stored in a grain storage tank 13 disposed on the upper right side of the threshing machine 11.

  As shown in FIG. 15, a reaper 4 is provided at the front portion of the traveling chassis 2 so as to be able to rotate and move laterally outward. The reaper 4 includes a narrow guide 14 a that separates the napped grains from the front end position, and Each weed body 14b, each pulling device 14c that raises napped cereals, each scraping device 15a of the culm scraping transfer device 15 that scrapes the raised stalks, and the stalked culm The cutting blade device 14d to be taken, and the root and tip transfer devices 16a and 16b of the grain supply and transfer device 15 for holding and transferring the cut rice cake to the feed chain 12a and the holding rice cake 12b of the threshing machine 11 A reaping machine 4 is provided. The reaper 4 is configured to move up and down with respect to the soil surface by a telescopic cylinder 17 that is hydraulically driven.

  A support pipe rod (support pipe) 18b in the left-right direction is provided at the upper end portion of the support rod (support member) 18a inclined from the lower front portion to the upper rear portion of the reaper 4, and the left and right ends of the support pipe rod 18b are The upper and lower surfaces of the cutting / lifting support frame 21 to be described later are rotatably supported by left and right support metals 20a and 20b provided by bolts and nuts. Is configured to rotate up and down around the support pipe rod 18b. In addition, the rotational power of the engine 23 is input to the cutting input pulley 18c that is pivotally supported on the outer end portion of the transmission mechanism 18d built in the support pipe rod 18b, so that each part of the cutting machine 4 is rotationally driven. The cutting lift support frame 21 and the left and right support metals 20a and 20b can be integrally formed.

  The presence / absence of supply of cereal to the threshing machine 11 is detected in the cereal transport path formed by the cereal supply / transfer device 15 of the reaper 4 by contacting the cereal that is harvested and transferred. It is the structure which provided the grain candy sensor 4a to perform.

As shown in FIGS. 1 and 3 to 9, the reaper 4 is configured to rotate the reaper 4 to the left side outward. A rotation receiving metal (rotation receiving member) 19 of the rotation device 5 formed by the four-point link mechanism 6 is provided on the upper side surface of the traveling chassis 2. The outer front rotation hole 19a that is the point (A) (first rotation fulcrum) of the rotation fulcrum of the point link mechanism 6 is provided, and a rotation fulcrum is provided at the inner rear portion of the outer front rotation hole 19a. This is a configuration in which an outer rear rotation hole 19b serving as a point (B) (second rotation fulcrum) is provided. The outer front / outer / rear vertical rotation holes 19a, 19b are provided to support the outer front / outer / rear vertical rotation shafts 9, 10, and the upper ends of the outer front / outer / rear vertical rotation shafts 9, 10 are supported. The front and rear base holes 7a and 8a of the base portions of the front and rear support frames 7 and 8 are inserted into the part, are pivotally supported, and are mounted with bolts or the like.

  As shown in FIGS. 1 and 3 to 9, a cutting lift support frame 21 is provided above the front and rear support frames 7, 8. The cutting lift support frame 21 includes an inner front support hole 21 a, Inner rear support holes 21b are provided, and inner front vertical support shafts 21c are inserted into the inner front support holes 21a and the inner front insertion holes 7b at the inner end of the front support frame 7. Further, the inner rear longitudinal support shaft 21 d is inserted into the inner rear support hole 21 b and the inner rear insertion hole 8 b at the inner end of the rear support frame 8. These front and rear support shafts 21c and 21d support the front end portions of the front and rear support frames 7 and 8, and the front and rear support frames 7 and 8 support the cutting lift support frame 21.

The outer front / outer rear rotation holes 19a, 19b of the rotation receiving metal 19 and the inner front / inner rear support holes 21a, 21b of the cutting lift support frame 21 are used for the four-point link mechanism 6 of the rotation device 5. (A) point, (B) of the rotation fulcrum, (C) point (first support fulcrum) , (D) point (second support fulcrum) of the support fulcrum , the outer (A) point, (B) The point is set as the rotation center (A), (B), and the inner (C) point, (D) point is used as a support point, and the reaper 4 is provided so as to be able to rotate and move laterally outward. It is a configuration. The reaper 4 is configured to rotate and move laterally outward by a manual rotation operation. Or it is good also as a structure which provides the expansion-contraction cylinder etc. by hydraulic drive, and rotates automatically.

  When maintenance of the reaper 4 itself is performed, and the details of the lower side of the reaper 4 are configured to rotate when performing maintenance of the transmission mission case 22 and the engine 23, which will be described later.

  Since the turning device 5 for turning the reaper 4 to the left side outward is formed by the four-point link mechanism 6 as shown in FIGS. 1 and 3 to 9, the reaper 4 will be described later. This means that the reaper 4 is supported by the front and rear support frames 7 and 8, and the reaper 4 can be firmly supported even when the book is rotated.

  The reaping machine 4 is configured to rotate and move leftward and outward as shown in FIGS. 5 to 7 by the four-point link mechanism 6 of the rotating device 5. On the left side, the pivot point (A) and the point (B) are arranged, and on the right side of the pivot point (A) and the point (B), the support pivot point ( C) and a support fulcrum (D) point are disposed, and the outer front vertical rotation shaft 9 inserted into the outer front rotation hole 19a of the rotation receiving metal 19 at the point (A), (C) The inner front support shaft 21c inserted into the inner front support hole 21a of the point cutting lift support frame 21 has a configuration in which a substantially linear 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 point B receiving metal 19 at the point (B) and the inner rear support hole 21b of the cutting lift support frame 21 at the point (D). The inner rear support shaft 21d is a configuration in which a rear support frame 8 having a substantially square shape is provided and connected.

  The four-point link mechanism 6 of the rotating device 5 for rotating the reaper 4 to the left outer side provides the (A) point and the (B) point of the rotation fulcrum on the left side and the support fulcrum on the right side. The points (C) and (D) are provided, the points (A) and (C) are connected by the front support frame 7, and the points (B) and (D) By using the configuration in which the rear support frame 8 is connected, the reaper 4 can be largely pivoted to the left outside. This also facilitates maintenance of the reaper 4 and maintenance of the engine 23 and the transmission case 22 below the reaper 4.

  The turning device 5 for turning the reaper 4 to the left and outside is a turning device that forms part of the four-point link mechanism 6 of the turning device 5 as shown in FIGS. 1 and 3 to 9. The distance (L1) between the outer front vertical rotation shaft 9 inserted into the outer front / outer rear rotation holes 19a, 19b of the receiving metal 19 and the outer rear vertical rotation shaft 10 is formed as the shortest distance, The four-point link mechanism 6 is formed, and the rotation device 5 is formed.

  The distance (L1) between the points (A) and (B) of the rotation fulcrum is formed as the shortest distance, and the rotation device 5 is formed by the four-point link mechanism 6. 5, the reaper 4 can be pivoted to the left outer side by rotating the reaper 4 to the left outer side. Thereby, the maintenance of the reaper 4 itself and the maintenance of the lower engine 23, the transmission case 22, and the like are easy to configure.

  The turning device 5 for turning the reaper 4 to the left outer side is the point (A) of the turning fulcrum of the four-point link mechanism 6 of the turning device 5 as shown in FIGS. And the distance (L1) between the point (B) and the distance (L2) between the point (C) and the point (D) of the support fulcrum (A), the point (C) The four-point link mechanism 6 is formed by increasing the distance (L3) between the distance (L3), the distance (L4) between the points (B) and (D) by a predetermined distance, and the rotating device 5 is formed.

  Distances between the points (A) and (B), which are the respective fulcrums of the four-point link mechanism 6 of the rotating device 5, and the distances between the points (L1), (C), and (D). The distance (L3) between the points (A) and (C) and the distance (L4) between the points (B) and (D) are made longer than (L2). By doing so, the reaper 4 can be largely pivoted outward. Thereby, the maintenance of the reaper 4 itself and the maintenance of the lower engine 23, the transmission case 22, and the like are easy to configure.

  As shown in FIGS. 1 and 3 to 9, the outer front vertical rotation shaft 9 at the point (A) of the rotation fulcrum and the outer rear vertical rotation shaft 10 at the point (B) of the rotation fulcrum are shown in FIGS. The four-point link mechanism 6 of the rotation device 5 is formed as a rotation center (A) where the reaper 4 rotates and a rotation center (B).

  The rotator 4 includes an outer front longitudinal pivot shaft 9 at the pivot point (A) of the four-point link mechanism 6 of the pivot device 5 and an outer rear longitudinal pivot shaft 10 at the pivot point (B). The rotation center (A) and the rotation center (B) that rotate outwardly can prevent the reaping machine 4 from coming into contact with other parts when the reaping machine 4 is rotationally moved. . For this reason, the reaper 4 and other parts can be prevented from being damaged.

  The four-point link mechanism 6 of the rotating device 5 is configured to rotate around the front and rear sides of the rotation receiving metal 19 provided on the upper surface of the traveling chassis 2 as shown in FIGS. 3 to 5, 8, and 9. The front and rear vertical rotation shafts 9 and 10 are pivotally supported on the dynamic shafts 19a and 19b, and the front / rear support frames 21 supported by the front and rear support frames 7 and 8 are supported on the front and rear. This is a structure in which inner and rear support shafts 21c and 21d are pivotally supported in the holes 21a and 21b.

  The rotation center (A) of the point (A) of the outer front vertical rotation shaft 9 and the point (C) of the inner front support shaft 21c are configured by providing the front support frame 7 and connecting them. Further, the rotation center (B) of the point (B) of the outer rear longitudinal rotation shaft 10 and the point (D) of the inner rear support shaft 21d have a configuration in which the rear support frame 8 is provided and connected. The front / rear support frames 7 and 8 support the points (A) and (C), and the points (B) and (D). The pivot points (A) and (B) (A) and (B), which are pivotal fulcrums, are provided on the pivot receiving metal 19 on the upper side of the traveling chassis 2 and are supporting fulcrums (C). The point and the point (D) are configurations provided on the cutting lifting support frame 21.

  By supporting the reaper 4 with the two front and rear support frames 7 and 8, the support strength at the time of opening and closing can be increased. Further, when the entire reaper 4 is moved forward, the opening state can be greatly increased by opening the reaper 4 to the left outer side. Furthermore, it is the structure which prevented contact | abutting with the feed chain 12a of the threshing machine 11. FIG.

Formed in the full length (L3) of the front support frame 7 connecting the point (A) and the point (C) forming the four-point link mechanism 6 of the rotating device 5 and provided in the left-right direction. As shown in FIG. 3, the frame 7 is formed on the entire length (L4) of the rear support frame 8 connecting the points (B) and (D), and is provided in the left-right direction. L4) is formed so as to be longer by a predetermined dimension (L3) <(L4). The reaper 4 when the opening operation to the left side outside, (A) and the point, the line connecting the (C) point, the same straight line as point (A) shown in FIG. 6, a straight line connecting the point (B) It is the structure which rotates to the top.

Further, the lower surface position (H) of the rotating portions of the front and rear support frames 7 and 8 is formed at the same height as shown in FIG.
An opening amount of the reaper 4 to the left outer side can be increased. Thereby, contact | abutting to the feed chain 12a of the threshing machine 11 can be prevented. In addition, since the front and rear support frames 7 and 8 do not intersect, the outer front and rear rear vertical rotation shafts 9 and 10 can be lengthened, and the front and rear support frames 7 and 8 can be prevented from falling. It is a configuration.

  For example, at least one of the rotation fulcrum points (A) and (B) and the support fulcrum points (C) and (D) forming the four-point link mechanism 6 of the rotation device 5 is ( As shown in FIG. 3, point A) is a predetermined dimension forward position from the rotational center (c) position of the transmission mechanism 18 d installed in the support pipe rod 18 b provided at the upper end of the support rod 18 a that supports the reamer 4. This is a configuration provided. Further, of the rotation fulcrum (A) and the point (B), the point (B) is moved to the rear position of a predetermined dimension from the rotation center (c) position of the transmission mechanism 18d installed in the support pipe rod 18b. This is a configuration provided.

  Four points of the rotation fulcrum (A), (B), support fulcrum (C), and (D) are arranged before and after the rotation center (c) position of the support pipe rod 18b. As a result, the front and rear support balance is improved, and the support strength and durability are improved. Moreover, it is the structure which can support the moment at the time of the reaper 4 rotating back and forth with sufficient balance.

  As shown in FIG. 3, the fulcrum (C) point is located behind the rotation fulcrum (A) that forms the four-point link mechanism 6 of the rotation device 5 and the rotation fulcrum (B ) Point, the fulcrum (D) point is located behind the predetermined dimension. The straight line connecting the point (A) and the point (C), the straight line connecting the point (B) and the point (D) are formed in a substantially parallel state. Further, the straight line connecting the point (A) and the point (C) is positioned forward from the straight line connecting the point (A) and the point (D). Further, the point (B) is a configuration provided to be parallel to the point (A) in the front-rear direction or to be located inward by a predetermined dimension.

  By providing the points (C) and (D) rearward by a predetermined dimension from the points (A) and (B), the amount of the reaper 4 is increased to the left outside. be able to. Moreover, contact | abutting to the feed chain 12a of the threshing machine 11 can be prevented. The open space is wide, and the maintenance in the vicinity of the engine 23 is easy.

  A four-point link mechanism 6 of the rotating device 5 is formed. As shown in FIG. 3, the rotation receiving metal 19 is provided with a rotation fulcrum (A) point and a (B) point, and the cutting lift support frame 21 is provided with a (C) point of the support fulcrum ( D) The point is provided separately.

  The rotation fulcrum (A) and the point (B) of the four-point link mechanism 6 are provided on the rotation receiving metal 19, and the support fulcrum (C) and (D) are the lifting and lowering support. By providing the frame 21, the positions of the points (A), (B), (C), and (D) are accurately determined, and the positioning is performed on the front and rear support frames 7, 8. Therefore, no adjustment is required, and the number of assembly steps can be reduced. Further, the parallelism of the shafts 9, 10, 21c, and 21d is improved, and the closing operation of the reaper 4 is smooth.

  A rotation receiving metal 19 provided with a rotation fulcrum (A) and a point (B) forming the four-point link mechanism 6 of the rotation device 5 is provided on the traveling chassis 2 as shown in FIGS. It is the structure arrange | positioned in the left frame 2a part and the front left side of the front frame 2b.

The rotation receiving metal 19 is provided with a rigid structure by being provided over the front frame 2b and the left frame 2a of the rigid traveling chassis 2.
The front and rear support frames 7 and 8 are formed at a height (H1) from the upper side surface of the traveling chassis 2 to the mounting bottom surface of the front support frame 7 as shown in FIGS. A height (H2) from the upper side surface of the chassis 2 to the mounting lower surface portion of the rear support frame 8 is formed, and both heights (H1) and (H2) are formed at the same height. . The cutting lift support frame 21, the front support frame 7, and the rear support frame 8 have front and rear positioning pins 24 a and 24 b provided individually. As a result, positioning is performed in the vicinity of the joint portion between the front and rear support frames 7 and 8 and the cutting lift support frame 21 having the largest relative angle, thereby reducing assembly errors.

  The rotating device 5 is arranged in a space-saving place. Further, the shafts 9 and 10 and the shafts 21c and 21d that support the front and rear support frames 7 and 8 can be used in common, thereby reducing the cost. Further, the front / rear support arms 7 and 8 have the same plane mechanism, so that the front / rear vertical rotation shafts 9 and 10 can be lengthened, and the reaper 4 can be opened and closed smoothly.

  As shown in FIG. 3 and FIG. 4, the lower left outer portion of the left support metal 20a that supports the support pipe rod 18b has a front and rear rear at points (A) and (B) which are pivotal fulcrums. The longitudinal rotation shafts 9 and 10 are arranged.

  When the reaper 4 is opened to the left side outward, the reaper 4 can prevent contact with the feed chain 12a. Further, the front and rear support frames 7 and 8 can be lengthened, the turning radius of the reaper 4 is increased, and a large opening space can be obtained.

Between the support pipe rod 18b and the front and rear support frames 7 and 8, a cutting and lifting support frame 21 is disposed as shown in FIGS.
By setting the front and rear support frames 7 and 8 to the lowest position, the front and rear support frames 7 and 8 can be smoothly rotated. Moreover, it is a support method with good balance by supporting the weight of the reaper 4 from below.

  As shown in FIGS. 3, 8, and 9, the front and rear support frames 7 and 8 are formed so that the upper part has a planar shape and the cross-sectional shape is formed in a U shape, Is a configuration in which reinforcing ribs 7c and 8c are individually provided at predetermined intervals in the left-right direction.

  As shown in FIGS. 4, 5, 8, and 9, the cutting lifting support frame 21 has an upper portion formed in a planar shape and a cross-sectional shape formed in a U shape, and the inside of the U shape portion. In the configuration, the reinforcing ribs 21e are provided radially.

  By making the front side surfaces of the front and rear support frames 7 and 8 and the cutting lift support frame 21 planar, the dust volume can be prevented. Further, by providing the reinforcing ribs 7c, 8c, and 21e, it is possible to increase the strength of the width. Further, the reinforcing ribs 21e of the cutting / lifting support frame 21 are provided in a radial manner, so that the strength can be increased in all load directions.

  In the configuration in which the reaper 4 is rotated to the left outer side by the rotation device 5, a rotatable lock device 25 for operating the reaper 4 in a locked state or an open state is illustrated in FIGS. 1 and 2. As shown, the lock support device 26 is engaged.

  The cutting lift support frame 21 of the rotating device 5 is provided below the left and right support metals 20a and 20b for supporting the support pipe rod 18b of the cutter 4 as shown in FIGS. It is a configuration. Between the cutting lift support frame 21 and the traveling chassis 2, a projecting portion protruding below the cutting lift support frame 21 is provided with a predetermined interval in the left-right direction, and the open frame 5 a is provided on both left and right sides of the telescopic cylinder 17. , 5a are mounted by bolts and nuts.

  Between the open frame 5a of the rotating device 5 and the traveling chassis 2, there is provided a lock device 25 that is operated when the reaper 4 is locked and unlocked as shown in FIGS. It is.

  As shown in FIGS. 1 and 2, the lock device 25 is engaged with the front and rear lock receiving members 26a and 26b made of a round bar of the lock support device 26 to release the locked state and the engaged state. Thus, the lock is released.

  The locking device 25 is provided between the open frame 5a and the traveling chassis 2 so that the reaper 4 is in a locked state and in a reaping operation state or in an unlocked state. By adopting a configuration in which it is pivoted outward, the strength of the pivoting device 5, the locking device 25, etc. can be increased. Further, the reaper 4 can be pivoted to the left side outward.

  The front lock receiving member 26a of the lock support device 26 has a structure in which the open frames 5a and 5a are passed through and supported by a shaft as shown in FIGS. Further, the rear lock receiving member 26b is configured to be pivotally supported by left and right side wall plates of a support frame 2c having a U-shaped cross section provided on the upper side surface of the traveling chassis 2.

  The locking device 25 provided between the open frames 5a and 5a of the rotating device 5 and the traveling chassis 2 includes at least two or more front and rear locking portions 25a, as shown in FIGS. 25b is provided in the vicinity of both front and rear side ends in the front-rear direction. The front lock portion 25a of the lock device 25 is engaged with the front lock receiving member 26a, and the rear lock portion 25b is engaged with the rear lock receiving member 26b.

  The lock device 25 is provided with two or more front / rear lock portions 25a, 25b in the vicinity of both front and rear side ends in the front-rear direction, and the front lock receiving member 26a of the lock support device 26 extends to the open frames 5a, 5a. The rear lock receiving member 26b is pivotally provided on the support plate 2c attached to the traveling chassis 2 and the pitch between the front and rear lock portions 25a and 25b is widened. When the machine 4 is operated in the locked state, the lock portion is stabilized. In addition, reliable locking and unlocking can be performed.

  The vertical position of the rear lock receiving member 26b made of a round bar or the like of the lock support device 26 is predetermined from the vertical position of the front lock receiving member 26a made of a round bar as shown in FIGS. It is the structure provided in the high position of the upper part of the height.

  The vertical position of the rear lock receiving member 26b of the lock support device 26 is provided at a predetermined height (H3) position from the vertical position of the front lock receiving member 26a. The locking and unlocking operations can be improved. Further, the locking device 25 can prevent contact with other parts.

  As shown in FIGS. 4, 5 and 8, the lock device 25 is provided at a substantially central portion between the open frames 5a and 5a of the rotation device 5, and includes front and rear lock portions 25a and 25b, and a handle portion. 25c and the connection collar part 25d.

  As shown in FIGS. 1 and 2, the handle 26 c is rotated by a rotating pin 27 b around a lower vicinity of the substantially handle-shaped operation handle 27 a to a mounting plate 21 f provided on the upper side of the cutting lift support frame 21. It is a structure that is pivotally supported.

  As shown in FIGS. 1 and 2, the connecting rod 25d is provided with a helical screw 28b at the upper end of the connecting rod 28a, and the helical screw 28b has a boss of a substantially T-shaped moving metal 28c. This is a configuration in which the portion is inserted and attached to the set position by the nuts 28d provided above and below. The tip of the plate portion of the moving metal 28c and the lower end of the operation handle 27a are rotatably mounted by a pin 27c. The total length of the connecting rod 28a can be adjusted by the tightening position of each nut 28d. By this adjustment, the engagement state of the front and rear lock portions 25a and 25b can be adjusted. Further, the adjustment boss 28e is screwed into the lower end of the connecting rod 28a.

  As shown in FIGS. 1 and 2, the rear lock portion 25b pivotally supports the front portion of the rear lock plate 29a on the rear receiving shaft 29 that is pivotally supported on the left and right open frames 5a and 5a. 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 rod 28a are rotatably mounted by a pin 29c. Further, the rear receiving shaft 29 is provided with the rear end portion of the connection plate 30a pivotally supported, and the moving pin 30b is pivotally supported at the front end portion of the connection plate 30a.

  As shown in FIGS. 1 and 2, the front lock portion 25a is pivotally supported by the front receiving shaft 31 pivotally supported on the left and right open frames 5a and 5a. The front lock plate 31a is provided with a front lock groove 31b and a rear portion with a receiving groove 31c. In addition, a rotation rod 31d is provided at the rear portion of the front lock plate 31a.

  The front receiving shaft 31 and the rear receiving shaft 29 are provided with front / rear torque springs 33a, 33b, and the front / rear lock portions 25a, 25b are trimmed by the front / rear torque springs 33a, 33b. It is the structure supported to a working position.

  By operating the handle portion 25c backward, the rear lock groove 29b of the lock device 25 is engaged with the rear lock receiving member 26b of the lock support device 26 by the connecting rod portion 25d. In conjunction with this, the front lock groove 31a of the front lock portion 25a is engaged with the front lock receiving member 26a, and the receiving groove 31c is engaged with the receiving shaft 32. Thereby, the reamer 4 is configured to be locked in the reaped state.

  The handle 25c is operated to be moved forward to rotate the reaper 4 to the left outside of the maintenance position. When the handle 25c is moved forward, the lock 25 The rear lock groove 29b of the rear lock portion 25b is disengaged from the rear lock receiving member 26b of the lock support device 26, and in conjunction with this release, the moving pin 30b of the connection plate 30 rotates downward. In conjunction with this rotational movement, the lock groove 31b of the front lock plate 31a of the front lock portion 25a is disengaged from the front lock receiving member 26a, and the receiving groove 31c is The reaper 4 is disengaged and the reaper 4 can be rotated and moved to the left outer side. The reaper 4 can be manually moved to the left outside, which is the maintenance position.

  By the rotational movement of the reaper 4 to the left outer side, simultaneously with the reaper 4, the lock device 25 including the front / rear lock portions 25a, 25b, the handle portion 25c, and the connecting hook portion 25d, and the pivot The left and right support metals 20a and 20b of the device 5, the cutting lift support frame 21, the open frames 5a and 5a, the front lock receiving member 26a of the lock support device 26, and the telescopic cylinder 17 are configured to rotate. It is.

  The telescopic cylinder 17 is mounted with front and rear mounting pins 17a and 17b between the mounting plate 18e provided on the support rod 18a and the open frames 5a and 5a. The telescopic cylinder 17 is configured to rotate and move leftward and outward simultaneously with the reaper 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 provided in the vertical rotation direction as shown in FIGS. It is a configuration.

  As a result, an upward force is applied to the front and rear lock portions 25a and 25b by the vertical reaction force of the reaper 4, so that the vertical front and rear lock grooves 31b and 29b are formed in the vertical direction. Strong and advantageous for load. Also, the installation space can be reduced.

  It becomes the rotation center of the operation handle 27a of the handle portion 25c of the lock device 25. As shown in FIGS. 1 and 2, the rotation pin 27b is positioned at the rear side of the support pipe rod 18b provided in the left-right direction on the upper end portion of the support rod 18a, on the upper side of the cutting lift support frame 21, and further to the right. In the vicinity of the metal 20b, the metal 20b is provided to be pivotally supported on a mounting plate 21f provided so as to protrude upward.

  As a result, the operation handle 27a of the handle portion 25c is arranged in the vicinity of the right support metal 20b that supports the support pipe rod 18b. The operation handle 27a can be operated. Also, the opening operation can be performed reliably.

  As shown in FIGS. 1 and 2, there is provided a rotating rod 31d as 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 a configuration. Thus, the front and rear lock plates 31a and 29a can be simultaneously rotated.

  As a result, the front and rear lock portions 25a and 25b can be locked and unlocked by operating the single operation handle 27a of the handle portion 25c, so that the lock and unlock operations can be easily and easily performed.

  A front stopper portion 7d is provided on the rear side of the front boss hole 7a of the front base hole 7a on the base side of the front support frame 7 as shown in FIG. Further, as shown in FIG. 10, a rear stopper portion 8d is provided on the front side of the boss outer diameter portion of the rear base hole 8a on the base side of the rear support frame 8. These front / rear stopper portions 7d, 8d are provided in contact with each other, so that the positions of the inner front / rear insertion holes 7b, 8b of the front and rear support arms 7, 8 can be accurately secured. is there.

  Accordingly, the front and rear stopper portions 7d and 8d are provided in the boss outer diameter portion on the base side of the front and rear support frames 7 and 8, so that the inner front and inner rear insertion holes 7b and 8b of the tip portion are provided. The position can be ensured accurately, and the front and rear stopper portions 7d and 8d can be reduced in size by being provided in the vicinity of the rotation fulcrum, thereby preventing an increase in weight and cost.

  It is a mounting fulcrum on the rear side of the telescopic cylinder 17. With respect to the rear mounting pin 17b, as shown in FIG. 1, the position of the front lock receiving member 26a of the lock support device 26 is provided at the front position of the predetermined distance, and the position of the rear lock receiving member 26b is the rear portion of the predetermined distance. It is the structure provided in the position.

  When the front lock plate 31a of the front lock portion 25a of the lock device 25 is unlocked, as shown in FIGS. 1, 2, and 11, the rear of the front lock groove 31b provided in the front lock plate 31a. The front lock receiving member 26a provided on the open frames 5a and 5a is pushed forward by the side surface 31e. Thereby, it is the structure which can perform the rotational movement operation of the reaper 4 to the left side outer side easily.

  Accordingly, the front and rear lock receiving members 26a and 26b of the lock support device 26 are provided before and after the rear mounting pin 17b for rear mounting of the telescopic cylinder 17, so that the open frames 5a and 5a and the cutting lift support frame are provided. 21 can be reliably fixed. In conjunction with unlocking, the open frames 5a, 5a are pushed forward through the front lock receiving member 26a and started to move outward to the left, thereby smoothly performing the initial rotational movement. be able to.

  The operation handle 27a of the handle portion 25c of the locking device 25 is formed in a substantially square shape as shown in FIGS. 1, 2, and 12, and a threshing input portion that inputs rotational power to the threshing machine 11 when locked. The front end of the operation handle 27a is in a state along the upper side of the input pulley cover 11b of 11a, and the front end of the operation handle 27a is substantially vertical when unlocked. Further, the operation handle 27a is unlocked in the same manner as the direction of the rotational movement direction of the reaper 4 to the left outer side.

  As a result, there is nothing in the way when the operation handle 27a of the handle portion 25c is stored. Further, when opened, it is in a vertical state, and when performing an operation from the open state to the stowed state, it is easy to apply force and a restoration operation is easy. Furthermore, the opening operation is easy.

  As shown in FIGS. 6 and 8, the hydraulic pressure for the telescopic cylinder 17 is provided between the rotation receiving metal 19 and the open frame 5 a on the lower side of the cutting lifting support frame 21 and on the upper side of the traveling chassis 2. In this configuration, the valve 17c is mounted.

  Thus, the hydraulic valve 17c can be easily maintained by rotating the reaper 4 to the left and outside. Moreover, accumulation of dust can be prevented by being below the cutting lift support frame 21. Furthermore, the space can be used effectively.

  A battery for the engine 23 as shown in FIG. 13 is provided below the joint member 11c that joins the reaper 4 and the threshing machine 11 between the rotation receiving metal 19 and the front side plate 11d of the threshing machine 11. In this configuration, 23 a is placed on the upper side surface of the traveling chassis 2.

  Thereby, since the battery 23a is placed on the left side of the machine body 1a, maintenance such as detachment and charging of the battery 23a is easy. In addition, the space can be used effectively.

  As shown in FIG. 6, the reaping machine 4 is rotated leftward and outwardly by the rotating device 15 of the four-point link mechanism 6, and the leftward and outward movement of the feed chain 12 a of the threshing machine 11 is both as shown in FIG. 6. It is the structure which can carry out the rotational movement of each independently or both simultaneously.

  Thereby, the said reaper 4 and the feed chain 12a can carry out the maintenance of each part according to the condition easily by being able to carry out the rotation movement of each both independently or simultaneously.

As shown in FIGS. 13 and 14, the reaper 4 rotates and moves leftward and outward with the rotation device 5 of the four-point link mechanism 6. The reaper 4 and the threshing machine 11, which will be described in detail later, Between the inner auxiliary transfer chain (first auxiliary transfer chain) 34a and the outer auxiliary transfer chain (second auxiliary transfer chain) 34b of the auxiliary transfer device 34, the inner / outer auxiliary transfer is provided. The chains 34 a and 34 b are configured to be driven to rotate by the auxiliary gear case 35.

The inner / outer auxiliary transfer chains 34a and 34b of the auxiliary transfer device 34 are configured to remain on the main unit side without being moved even when the reaper 4 is rotationally moved to the left outer side.
As a result, the auxiliary transfer device 34 can be rotated by moving the inlet funnel (not shown) provided on the inlet side of the threshing machine 11 by providing a notch or removing it. By formulating these, these are not necessary.

  The said rotation receiving metal 19 and the threshing machine 11 are the structures connected by the upper side joining member 11c and the lower side lower joining member 19c via the auxiliary | assistant gear case 35, as shown in FIG. is there.

As a result, the rotation receiving metal 19 can be prevented from falling forward, and the reaper 4 can be smoothly rotated to the left outer side.
A pivot shaft 38a, which serves as a pivot center for pivoting the feed chain 12a to the left outer side, is pivotable by a support 38b provided on the pivot receiving metal 19 as shown in FIGS. It is a supported structure. The rotation shaft 38a and the chain support plate 12c that supports the feed chain 12a are connected by providing a rotation rod 39.

  Thereby, the said rotation receiving metal 19 is comprised firmly, and the rotation movement of the feed chain 12a is smooth because this supported the rotation center of the feed chain 12a. Further, interference between the rotary movement of the reaper 4 and the rotary movement of the feed chain 12a can be prevented. Further, it can be rotated and moved.

  As shown in FIG. 6, the base side of the rear support arm 8 of the four-point link mechanism 6 is in an open state that is substantially equal to or higher than the right angle with respect to the machine body 1a when the reaper 4 is pivoted to the left side outward. It is the composition which becomes. Furthermore, it is formed in a substantially square shape to prevent the front support frame 7 from coming into contact.

  As a result, the reaper 4 can be greatly opened, and maintenance around the engine 23 is easy. Further, the rotation centers (A) and (B) of the front and rear support arms 7 and 8 can be brought close to each other, and the rotation receiving metal 19 can be reduced in size, thereby reducing the cost.

  The position of the cutting input pulley 18c for rotationally driving the reamer 4 from the position of the traveling transmission pulley 3b for rotationally driving the traveling device 3 is predetermined to the side of the rotation receiving metal 19 for rotating the reamer 4 as shown in FIG. This is a configuration provided close to the distance.

  As a result, the reaper 4 can be rotated without removing the belt 3c that is stretched over the travel transmission pulley 3b. In addition, it is easy to remove the cutting belt 4b that is stretched over the cutting input pulley 18c.

  At the front of the grain storage tank 13 side, as shown in FIG. 15, an operating device 36 for starting and stopping the combine 1 and adjusting each part and the like, and a cockpit where an operator who performs these operations is boarded 37 is provided in the operation room 36b formed by the operation room case 36a. The engine 23 is placed on the upper side of the traveling chassis 2 below the cockpit 37, and the rear part has a grain. A grain storage tank 13 is provided. It is the structure which formed the body 1a of the combine 1 with these travel apparatuses 3, the reaping machine 4, the threshing machine 11, and the engine 23 grade | etc.,.

  A potentiometer-type vehicle speed sensor 22b for detecting the traveling vehicle speed is provided in the transmission path of the transmission mechanism 22a in the traveling mission case 22 mounted on the front end of the traveling chassis 2 based on the output. It is a configuration.

  On the rear side of the grain storage tank 13 for discharging the grains stored in the grain storage tank 13 to the outside of the machine, a discharge support cylinder 40 equipped with a vertical transfer spiral 40a is rotatably mounted in a substantially vertical posture. At the upper end of the discharge support cylinder 40, a discharge auger 41 is provided that is extendable and retractable. The discharge auger 41 is provided with a discharge spiral 41a that extends the length of the combine 1 in the longitudinal direction of the combine 1 to the outside of the machine. It is the structure arrange | positioned in the front-back direction so that rotation and turning right and left are possible.

  As shown in FIG. 13, the feed chain 12a of the threshing machine 11 is provided with a rotation shaft 38a rotatably supported by a support 38b provided on the rotation receiving metal 19, and the rotation shaft 38a and the feed The chain support plate 12c for supporting the chain 12a is configured to be connected by a rotating rod 39. With the rotation shaft 38a as the rotation center, the transfer start end side of the feed chain 12a is set as the rotation center side, and the transfer end portion can be opened and closed to the left outer side.

  On the front side of the threshing machine 11, as shown in FIG. 13, an inner auxiliary transfer chain 34a for handing over and transferring the harvested cereal rice cake held and transferred by the root and tip transfer devices 16a and 16b of the reaping machine 4, and an outer auxiliary transfer chain 34b. The auxiliary transfer device 34 is provided.

  The rotation driving of the inner / outer auxiliary transfer chains 34a and 34b of the auxiliary transfer device 34 is performed by an output pulley 18f pivotally supported on the outer end of the transmission mechanism 18d of the support pipe rod 18b as shown in FIGS. The input pulley 35a pivotally supported on the auxiliary gear case 35 provided on the front side of the threshing machine 11 is configured to span the belt 35b and rotationally drive the inner / outer auxiliary transfer chains 34a, 34b.

Enlarged side view of rotating device and locking device Enlarged side view of the locking device Enlarged plan view of rotating device Enlarged front perspective view of rotating device Enlarged side perspective view of the rotating device when opened Enlarged plan view of the rotating device when opened Enlarged plan view of the rotating device when opened Enlarged front view with a partial section of the rotating device Enlarged front view with a partial section of the rotating device Enlarged plan view of front and rear support frames Enlarged side view of the front lock Expanded side view of the handle handle and the threshing input unit Enlarged side view of rotating device and auxiliary transfer device Enlarged plan view of the rotation device unit and the auxiliary transfer device unit Overall side view of the left side of the combine

2 Running chassis (chassis)
3 traveling device 4 mower
5a Open frame (frame)
6 Four-point link mechanism
7 Front support frame
8 Rear support frame 11 Thresher 12a Feed chain 15 Grain supply / transfer device
17 telescopic cylinder 18a support rod (support member)
18b Support pipe rod (support pipe)
18c Mowing input pulley 18d Transmission mechanism
19 Rotating metal (Rotating receiving member)
21 Cutting lift support frame 23 Auxiliary transfer chain in engine 34a (first auxiliary transfer chain)
34b outside auxiliary transfer chain (second auxiliary transfer chain)
35 Auxiliary gear case
A pivot point (first pivot point)
B rotation fulcrum (second rotation fulcrum)
C support fulcrum (first support fulcrum)
D support fulcrum (second support fulcrum)
Distance between L1 first rotation fulcrum and second rotation fulcrum
Distance between L2 first support fulcrum (C) and second support fulcrum (D)
L3 Distance between the first pivot point (A) and the first support point (C)
L4 Distance between the second pivot point (B) and the second support point (D)

Claims (3)

The traveling device on the lower side of the chassis (2) (3) is provided, the upper chassis culms supply transport device in front of the (2) (15) to comprise the reaper (4) is arranged, the car platform (2) threshing machine comprising a feed chain (12a) and (11) provided on the support in the lateral direction on the upper end of the support member (18a) which is provided to be inclined to an upper rear portion from the lower portion of the front Symbol reaper (4) A pipe (18b) is provided, and both left and right ends of the support pipe (18b) are rotatably supported by a cutting lift support frame (21), and a frame (5a) protrudes downward from the cutting lift support frame (21). A telescopic cylinder (17) is mounted between the support member (18a), and the telescopic operation of the telescopic cylinder (17) causes the reaper (4) to rotate up and down around the support pipe (18b) as a pivot center. The rotation receiving member (19) provided on the upper side of the chassis (2) The base part of the support frame (7) and the base part of the rear support frame (8) are pivotally supported so that the vertical axis can freely rotate, and the end part of the front support frame (7) and the end part of the rear support frame (8) are cut off. A four-point link mechanism (6) for moving the reamer (4) to the left outer side by pivotally supporting the elevating support frame (21) so as to freely rotate in the vertical axis is configured, and the left outer side of the reaper (4). The moving and lifting support frame (21), the frame (5a), and the telescopic cylinder (17) move together with the reaper (4) by moving in the direction, and the transfer start end side of the feed chain (12a) is rotated. The combine characterized in that the feed chain (12a) is pivotally supported on the rotation receiving member (19) so as to be rotatable leftward and outward as a center . The base portion of the front support frame (7) is pivotally supported by the first rotation fulcrum (A) provided at the left front portion of the rotation receiving member (19), and the inner rear portion of the first rotation fulcrum (A) is supported. A second rotation fulcrum (B) is provided to pivotally support the base of the rear support frame (8), and the end of the front support frame (7) is provided on the inner front of the cutting lift support frame (21). 1 support fulcrum (C) is pivotally supported, and the end of the rear support frame (8) is pivotally supported by a second support fulcrum (D) provided on the inner rear part of the cutting lift support frame (21). ) Is movably supported to the left outer side, and the distance (L1) between the first rotation fulcrum (A) and the second rotation fulcrum (B) and the above-mentioned The distance (A) between the first support fulcrum (A) and the first support fulcrum (C) than the distance (L2) between the first support fulcrum (C) and the second support fulcrum (D) ( 3) and the distance (L4) between the second rotation fulcrum (B) and the second support fulcrum (D) is longer, and the first rotation fulcrum (A) and the first support fulcrum (C) The distance (L4) between the second rotation fulcrum (B) and the second support fulcrum (D) is set to be longer than the distance (L3) between the rotation receiving member (19). The reaper (4) supported by the four-point link mechanism (6) and the feed chain (12a) pivotally supported by the rotation receiving member (19) are each independently leftward or outward without interfering with each other or The combine according to claim 1, wherein the combine is configured to move simultaneously. Between the reaper (4) and the threshing machine (11), the feed chain (12a) is transferred by handing over the cereal that is harvested by the reaper (4) and clamped and transferred by the cereal supply and transfer device (15). A first auxiliary transfer chain (34a) to be transferred to the first auxiliary transfer chain (34a) and a second auxiliary transfer chain (34b) disposed outside the first auxiliary transfer chain (34a), and a transmission mechanism (18d) built in the support pipe (18b). ) Is provided with a cutting input pulley (18c) to which the rotational power of the engine (23) is input, and a driving force is input to the auxiliary gear case (35) from the other end of the transmission mechanism (18d). The combine according to claim 1 or 2, wherein the first auxiliary transfer chain (34a) and the second auxiliary transfer chain (34b) are driven from the gear case (35).

Images