JP2002125441A - Grain straw transfer device of combine harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve a problem that, when being outward opened around a rotation shaft disposed on the chain rail, a feed chain and a chain rail are brought into one or more other parts to break the other parts. SOLUTION: A rotation shaft 10 is disposed on a chain rail 8 for holding a feed chain 7, and the feed chain 7 and the chain rail 8 are disposed in a state capable of being freely opened or closed around the rotation shaft 10. A guide rod 11 for guiding the opening or closing of the chain rail 8 is disposed on the chain rail 8 in a posture approximately perpendicular to the rotation shaft 10, and a stopper 12 is disposed at the transfer terminal of the guide rod 11. The lateral position of the rotation shaft 10 is placed between inner and outer auxiliary transfer chains on the front side of a thresher 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a chain for holding a feed chain of a threshing machine, in which a rotary shaft is provided which is inclined forward and upward, and the feed chain and the chain are provided so as to be openable and closable around the rotary shaft. The guide rod for opening and closing the chain rail is provided with the chain rail substantially at right angles to the rotation axis, and a stopper is provided at the end of movement of the guide rod, and the position of the rotation fulcrum of the rotation axis is threshing. This technology is located between the inner and outer auxiliary transfer chains on the front side of the machine, and can be used as a combine grain transfer device.

[0002]

2. Description of the Related Art In a combine harvesting operation, reaping cultivars are harvested by a reaping machine provided at the front of the combine, transferred to an upper rear portion by a reaper, and left and right sides at the front side of a threshing machine. Are transferred by the inner and outer auxiliary chains provided in the threshing machine, are taken over by the feed chain of the threshing machine and the holding rod, and are threshed during the holding and transfer in the threshing machine, and the threshed and sorted kernels are Temporarily stored in the combine.

[0003] During the harvesting operation, for example, when the threshing room of the threshing machine becomes damaged, the chain rail for holding the feed chain is provided with a rotating shaft to hold the threshing machine openably and closably. . When the chain and the feed chain are rotated outwardly with respect to the threshing machine around the rotation axis, the feed chain side portion of the threshing machine is opened, and the threshing chamber of the threshing machine in the opened state is opened. Perform inspections and repairs.

[0004]

When a problem occurs in the threshing chamber of the threshing machine and inspection and repair are performed, the feed chain and the chain rail receiving the feed chain are mounted on the chain rail. The feed chain and chain rail are opened outwardly around the axis of the driving shaft.However, during this opening operation, if the strong opening operation is performed, the feed chain and chain rail contact other parts due to excessive opening, Since the other parts were damaged or the guide rod for supporting the opening / closing guide was not provided, the opposite side of the rotation fulcrum was lowered, and the opening operation was sometimes difficult. To solve the above problem.

[0005]

For this purpose, the present invention, in the invention described in claim 1, provides threshing by transferring grain culms from the inner and outer auxiliary transfer chains 5, 6 in front of the threshing machine 3. The machine 3 is provided with a feed chain 7 received by a chain rail 8, and the chain rail 8 is provided with a rotating shaft 10 inclined forward and upward, and the feed chain 7 and the chain rail 8 can be opened and closed around the rotating shaft 10. Guide rod 1 for opening and closing the chain rail 8 in the combine provided in
1 is a chain rail 8 substantially perpendicular to the axis (a) of the rotating shaft 10.
And a stopper 12 is provided at the end of movement of the guide rod 11 to provide a grain culm transfer device for a combine.

[0006] In the invention described in claim 2, the rotation fulcrum (b) of the rotation shaft 10 is provided between the inner and outer auxiliary transfer chains 5, 6. Item 1
And a grain culm transfer device of the combine described in (1).

[0007]

According to the present invention, the harvesting operation of the pilgrim culm by the combine is provided at the front of the combine, the pilgrim culm is cut by the reaper, transferred to the upper rear part by the reaper, and left and right by the front of the threshing machine 3. The inner and outer auxiliary transfer chains 5 and 6 provided on both sides are taken over and transferred, and taken over by the feed chain 7 of the threshing machine 3 and the holding rod. Grains that have been sorted in the above are temporarily stored in this combine.

During the harvesting operation, for example, the threshing machine 3
When a problem occurs in the threshing room, a support rod and a rotating shaft 10 are provided on the chain rail 8 for holding the feed chain 7 so as to be openable and closable with respect to the threshing machine 3. A rotation fulcrum (b) of the rotation shaft 10 is provided between the inner and outer auxiliary transfer chains 5 and 6 on the front side of the threshing machine 3 and a chain rail 8 is provided.
Guide rod 9 for guiding the opening and closing outwardly with respect to threshing machine 3
Are provided on the chain rail 8 substantially at right angles to the axis (a) of the rotating shaft 10. When the chain rail 8 and the feed chain 7 are turned around the rotating shaft 10 outwardly with respect to the threshing machine 3, the threshing machine 3 is guided by the guide rod 11.
The side of the feed chain 7 is opened, and the threshing chamber of the threshing machine 3 which has been opened is inspected and repaired.

Further, when the rotating operation to the open state reaches a predetermined open position, the open state is regulated by a stopper 12 provided at the end of movement of the guide rod 11, and the predetermined open state is obtained. Stop at the position.

[0010]

According to the first aspect of the present invention, the guide rod 11 is provided substantially at a right angle to the axis (a) of the rotation shaft 10 which is the rotation fulcrum (b) of the chain rail 8. The chain rail 8 and the feed chain 7 rotate smoothly. Since the guide rod 11 is not vertical, the chain rail 8 attempts to open downward, but the stopper 12
Thereby, it is regulated and can be reliably held at a predetermined open position.

According to the second aspect of the present invention, the rotation fulcrum for opening and closing the feed chain 7 and the chain rail 8 is provided.
(B) is provided between the inner and outer auxiliary transfer chains 5 and 6, so that when the feed chain 7 is opened, the culm of the reaper is transferred and supplied at the final end. Interference between the device and the feed chain 7 can be prevented. Further, it is not necessary to increase the size of the outer cover for the exterior.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. The threshing machine 3 is mounted on the upper side of the traveling chassis 2 of the combine 1, and the front side of the left side, which is one side of the threshing machine 3, is a harvested grain that is harvested by the reaper 4 and transferred. Inner / outer auxiliary transfer chains 5 and 6 are provided on both left and right sides for taking over and transferring the culm, and the upper part of the left side of the threshing machine 3 is supplied with the inner and outer auxiliary transfer chains 5 and 6, A feed chain 7 to be transferred and a holding rod 7
a.

A chain rail 8 for holding the feed chain 7 and a support rod 9 for fixing the feed chain 7 to the threshing machine 3 so as to be openable and closable outwardly from the threshing machine 3. The base of the rotating shaft 10
A feed chain 7 and a chain rail 8 are provided so as to be openable and closable around the rotation shaft 10, and a guide rod 11 for guiding the opening and closing of the chain rail 8 is substantially perpendicular to the rotation shaft 8. 8 is provided. A stopper 12 is provided at the end of movement of the guide rod 11.

The feed chain 7 and the chain rail 8
The supporting rod 9, the rotating shaft 10, the guide rod 11, and the like are mainly illustrated and described. A traveling device 13 having a pair of left and right traveling crawlers 13a traveling on the soil surface is disposed below the traveling platform 2 of the combine 1 as shown in FIG.
On the right side in plan view of the threshing machine 3 placed on the upper side of the traveling chassis 2, a grain storage tank 14 for collecting and temporarily storing threshed and sorted kernels is mounted.

A mowing machine 4 is provided at the front of the traveling platform 2 of the combine 1 as shown in FIG. 10, and the culm harvested by the mowing device 15 of the mowing machine 4
Of the threshing machine 3 and the feed chain 7 of the threshing machine 3 and are transported to the inner and outer auxiliary transfer chains 5 and 6 on both the left and right sides. 7a, the feed chain 7 and the holding rod 7a take over and transfer the feed chain 7 and the threshing machine 3 during the transfer.
It is a configuration to thresh inside.

The reaper 4 provided at the front of the traveling platform 2 at the front of the threshing machine 3 is provided with a narrow guide 17a and a weeding body 17b for separating leeched corn culms that are sequentially cut from the front end, and a separated grain. A raising device 18a for raising the culm, a cutting blade device 15 for scraping the raised grain culm and cutting the raked grain culm;
A grain stalk raking and transferring device 16 for transferring the harvested grain stalks to the rear upper portion, and a feeding and transferring device 16a at the end of the transfer at the uppermost position.
The reaper 4 has a telescopic cylinder 1 driven by a hydraulic drive.
8b and the like. The telescopic cylinder 18b
Is operated so that the mower 4 can be moved up and down on the soil surface.

On the threshing machine 3 side, an operation room 20a is formed by an operation case 20b. In the operation room 20a, an operation device 19a for starting and stopping the combine 1 and for operating and adjusting each part is provided. The cockpit 19b on which the pilot is boarded
The engine 21 is mounted on the upper side surface of the traveling chassis 2 below the cockpit 19b, and the grain storage tank 14 is arranged behind the engine 21. The threshing machine 3, the reaper 4, the engine 21, the traveling device 13, and the like constitute the body 1a of the combine 1.

In the grain stalk transport path formed by the grain stalk raking and transferring device 16 of the above-mentioned mowing machine 4, by contacting the harvested grain stalks that are cut and transported, the threshing machine 3 is moved.
This is a configuration provided with a cereal stalk sensor 4a for detecting the presence or absence of stalk culm supply. A vehicle speed sensor 22a that detects a traveling vehicle speed based on the output rotation speed is provided in a transmission path in a traveling transmission case 22 mounted on a front end portion of the traveling chassis 2.

The reaper 4 is provided with a cutting support rod 23 which is inclined from the lower front to the upper rear as shown in FIG. 10, and a support pipe case having a transmission mechanism 24a mounted on the upper end of the cutting support rod 23. 24, the support pipe case 24 is rotatably supported by a support device 24b provided on the upper side of the traveling chassis 2, and the reaper 4 is vertically rotatable by the operation of the telescopic cylinder 18b. It is.

At the front left side of the threshing machine 3, inner and outer auxiliary transfer chains 5, 6 are provided on both left and right sides as shown in FIGS. A support plate 25 is provided on the front side plate 3a of the threshing machine 3 and the support metal 24C provided on the support pipe case 24. The support plate 25 is provided with a transmission case 26 in which a transmission mechanism 26a is mounted. A berl 26c is bridged between a pulley 26b of a transmission mechanism 26a in the transmission case 26 and a pulley 26b of a transmission mechanism case 24a of the support pipe case 24.

A transmission shaft 26b of a transmission mechanism 26a of the transmission case 26 and a counter shaft 27a of a counter metal 27
The inner auxiliary transfer chain 5 is stretched between the inner end of the chain and the inner end. The outer auxiliary transfer chain 6 is bridged between the outer end of the counter shaft 27a and the support shaft 28 at the front end. The counter metal 27 is configured to rotate up and down around the transmission case 26, and the outer auxiliary transfer chain 6 is configured such that the transfer start end is rotatable up and down.

The inner auxiliary transfer chain 5 and the outer auxiliary transfer chain 6 are provided with a predetermined gap in the left-right direction. The outer auxiliary transfer chain 6 is provided substantially linearly in the front-rear direction with respect to the feed chain 7 of the threshing machine 3.
28a is an outer chain cover.

As shown in FIG. 9, the threshing machine 3 has a threshing chamber 2 in the upper part of which a handling cylinder 29a is mounted in the front-rear direction and is pivotally supported.
9, a dust processing chamber 30 in which a dust discharging cylinder 30a is mounted in the front-rear direction and supported, and a second processing chamber 31 in which a second processing drum 31a is mounted in the front-rear direction and supported. is there. The lower part is provided with a rocking sorting device 32a for rocking and sorting kernels, a blower 32b for wind sorting, a first transfer device 33a, and a second transfer device 33b. The rear portion has a configuration in which a dust exhaust fan 34 is provided.

On the left side of one side of the threshing chamber 29 above the threshing machine 3, a feed chain 7 and a holding rod 7a are provided. This feed chain 7 is shown in FIGS.
As shown in the figure, it is configured to be openable and closable toward the left outside. The feed chain 7 includes front and rear sprockets 8c rotatably supported on front and rear support shafts 8b supported by front and rear support plates 8a of a U-shaped chain rail 8 as shown in FIGS. This is the configuration that was extended to. The feed chain 7 is configured to rotate and move while sliding on the chain rail 8.

On the upper side of the traveling chassis 2, there is provided a supporting metal 35 having a projecting portion 35a projecting upward to support the chain rail 8 as shown in FIG.
5a, a receiving metal 36 is attached with bolts, nuts, and the like. On this receiving metal 36, upper and lower bosses 36a, 36b that support a rotation fulcrum (b) of the rotation shaft 10 described below are provided at the lower rear. From the front to the upper front and at predetermined intervals vertically. The lower boss 36b has a configuration in which a lower support shaft 36c protruding upward is inserted and fixed.

As shown in FIG. 1, a support plate 37 is fixedly provided on the inner surface of the chain rail 8, and the base of the support rod 9 which is inclined downward toward the front lower part in a side view is inserted into the support plate 37. It is a configuration provided and fixed. A rotation shaft 10 is fixedly provided at the front end of the support rod 9, and an upper support shaft 10 b is fixedly provided at an upper support plate 10 a provided at the upper end of the rotation shaft 10. At the bottom, the boss 10
c is fixedly provided. The upper support shaft 10b provided on the rotating shaft 10 is inserted into and supported by an insertion hole provided on the upper boss 36a of the receiving metal 36, and the insertion hole provided on the boss 10c is inserted into the lower support shaft 36c of the receiving metal 36. It is a configuration to be supported. The rotation fulcrum (b) of the rotation shaft 10 is configured to be the upper and lower support shafts 10b and 36c, and the upper and lower support shafts 10b and 36c are the rotation fulcrum (b).
The chain rail 8 and the feed chain 7 are configured to be openable and closable to the left outside with respect to the threshing machine 3.

FIGS. 1 and 2 show the chain rail 8.
The guide plate 38a is fixedly provided on a guide plate 38a protruding downward as shown by the arrow. The configuration is such that the portions are fixedly provided. At the other end of the guide rod 11, a stopper 12 made of a washer is inserted and provided.
2 is provided with a pin 12a for retaining the outer side. The guide rod 11 is formed in an arc shape in plan view.

As shown in FIG. 2, the guide rod 11 is inserted into and supported by a guide receiving plate 38b mounted on the left side plate 3b of the threshing machine 3 with bolts and nuts.
The mounting position of the guide rod 11 on the guide plate 38a is such that the guide rod 11 is mounted at a position substantially perpendicular to the axis (a) of the rotation shaft 10 provided on the support rod 9.

Upper and lower support shafts 10 provided on the rotating shaft 10
As shown in FIG. 2, the position in the left and right direction of the rotation fulcrum (b) for opening and closing the opening and closing b and 36c and the position of the rotation fulcrum (b) of the rotation shaft 10 in the horizontal direction are as shown in FIG. , 6 are provided. When the feed chain 7 and the chain rail 8 are opened, the guide rod 11 provided on the chain rail 8 is guided by the guide receiving plate 38b provided on the threshing machine 3, is supported and is in an open state, and is opened to a predetermined position. When the state is reached, the stopper 12 provided on the guide rod 11
Is a configuration in which the open state is stopped by contacting the guide receiving plate 38b, and is regulated to a predetermined open position.

The chain rail 8 is provided with a guide rod 11 for guiding when opening and closing, and the guide rod 11 is provided with a stopper 12, so that the chain rail 8 can be smoothly opened and closed. In addition, since the opening position is regulated by the stopper 12, it is possible to prevent breakage of the other components due to contact with other components due to excessive opening.

The left and right positions of the rotation fulcrum (b) of the rotation shaft 10 are located between the inner and outer auxiliary transfer chains 5 and 6 so that when the feed chain 7 is opened, ,
It is possible to prevent interference between the feed transfer device 16a at the end of the grain culm transfer end of the reaper 3 and the feed chain 7, and to reduce the size of the outer chain cover 28a for external use outside the outer auxiliary transfer chain 6. It is.

As shown in FIGS. 6 to 8, a substantially triangular receiving plate 9a is provided on a mounting portion where the rotating shaft 10 is mounted on the support rod 9.
Is fixedly provided. A stock guide plate 40 in which a lower guide rod 40a of the stock guide 40 is fixed to a stock guide plate 40c having substantially the same shape as the support plate 9a when viewed from the side.
This is a configuration in which c is mounted with bolts and nuts. In this configuration, the stock guide 40 is provided in front of the outer auxiliary transfer chain 6.

The stock guide 40 is provided at the upper end of an L-shaped lower guide rod 40a as shown in FIGS.
In this configuration, the upper guide rod 40b shaped like a letter in a front view is fixed, and a stock guide plate 40c is fixed to the lower rear end of the lower guide rod 40a. The stock guide plate 40c
The mounting portion is provided with long holes 40d, 40d.
The configuration is such that the stock guide 40 is vertically rotated at 0d and 40d. This stock guide 40 takes over the stock side of the cereal stem transferred by the supply transfer device 16a of the reaper 4 and transfers it to the outer auxiliary transfer chain 6.

Thus, since the feed chain 7 and the stock guide 40 can be simultaneously opened to the left outside, the inspection inside the threshing room 29 of the threshing machine 3 and the replacement of parts can be easily performed. it can. The swing sorter 32
The swinging motor 41 for adjusting and rotating the rotatable chaff sheave 41b provided on the lower side of the swinging transfer shelf 41a for adjusting the amount of grain leakage as shown in FIG. 9 and FIG. The structure is provided in the space between the inside of the first-most grain bin 42 connected to the sorting device 32a and the outside surface of the right side plate 3c of the threshing machine 3.

Thus, the space can be effectively used.
In addition, since the swing motor 41 is provided close to the blower motor 42a that rotationally drives the blower 32b, the maintainability can be improved. As shown in FIG. 12, a fuel tank 43 is provided below the second sorting device 33b of the threshing machine 3 and below the swing sorting device 32a, and above the fuel tank 43, the swing sorting device 32a is provided. A dust-proof seal 44 is provided between the rear end of the traveling chassis 2 and the upper surface of the rear end of the traveling chassis 2, and the dust-proof seal 44 is simultaneously swung with the swing of the swing sorting device 32a. It is a configuration that operates.

The horizontal width of the dustproof seal 44 is
The U-shaped receiving guide plate 44a that receives the dust-proof seal 44 has a configuration provided over the entire width between the left and right plates 3b and 3c of the combine 1, and is located above the fuel tank 43.
The fuel tank 43 is configured to have substantially the same shape as the upper side, and is mounted on the inner side surfaces of the left and right plates 33b and 33c of the combine 1.

As a result, a part of the rice paddy, straw and dust discharged from the rear end of the rocking sorter 32a is discharged to the outside of the transfer machine by the dustproof seal 44, so that the fuel tank 43 It is possible to prevent rice husk, straw waste and accumulation of dust. As shown in FIGS. 13 and 14, the threshed culms transferred and threshed by the feed chain 7 are transferred to the rear part of the right side of the threshing machine 3 at the rear side of the feed chain 7 provided on the left side of the threshing machine 3. The waste culm transported by the waste straw chain 45 is supplied to a cutter 46a provided on the rear side and cut by the cutter 46a or supplied to a notter 46b. The configuration is such that the binding is switched by the notter 46b. The switching is performed by a turning metal 47c, which is provided so as to rotatably support a vertical support shaft 47a in a vertical direction, and a switching rod 47b is fixedly provided at an upper end portion of the vertical support shaft 47a. . With the rotation of the switching rod 47b of the vertical support shaft 47a, the excreted culm is switched to and supplied to the cutter 46a or the notter 46b.

At the rear end of the ceiling plate 48 of the threshing machine 3,
As shown in FIGS. 13 and 14, a dust seal 49 made of a rubber material or a resin material is provided.
Thus, the turning metal 47c is covered. Thereby, the vertical support shaft 47 supported by the rotating metal 47c is provided.
a and the rotating metal 47c can be prevented from entering the dust and the like, so that the switching operation can be reliably performed.

The dust cylinder 3 of the dust treatment chamber 30 of the threshing machine 3
A cleaning port 50 for cleaning the inside of the dust treatment chamber 30 is provided in a long rectangular shape in front and rear as shown in FIG. A nut 50a is fixedly provided on the inner side surface of the right side plate 3c at a predetermined interval, and a nut 50a is provided at a substantially middle portion in the vertical direction on the rear side of the cleaning port 50.

On the outside of the cleaning port 50, as shown in FIG. 16, each of the tightening holes 51c of the cleaning port cover 51 with the handle 51a mounted at a substantially middle position is bolted or the like.
This is a configuration in which each nut 50a provided near 0 is tightened and attached. An insertion plate 51b is fixedly provided on the inner side surface of the lower end portion of the cleaning port cover 51, and the space between the insertion plate 51b and the cleaning port cover 51 is inserted into the cleaning port 50 and then attached with bolts or the like. Configuration.

Thus, the inside of the dust treatment chamber 30 can be easily and simply cleaned. Further, since the handle 51a is provided on the cleaning port cover 51, attachment and detachment is easy. At the transfer end of the horizontal plate 52 forming the dust treatment chamber 30,
As shown in FIGS. 17 and 18, a dust outlet 52a for discharging dust having been subjected to dust processing is provided, and a dust net 53 is provided below the outer peripheral portion of the dust drum 30a. is there.

A support pin 53a projecting rearward from the rear plate 3d of the threshing machine 3 is provided at the transfer end of the dust net 53. Accordingly, the support pins 53a are provided so as to protrude rearward from the rear side plate 3d.
It is possible to prevent the accumulation of leaf chips and the like between the inner side surface of the rear side plate 3d and the transfer end portion of the dust net 53.

At the upper part of the threshing chamber 29 of the threshing machine 3, a handle cylinder cover 54 is provided so as to be openable and closable as shown in FIGS. 19 and 20, and when the handle cylinder cover 54 is opened, The stand 54a made of a round bar material for preventing the handle cylinder cover 54 from being restored to the open state is configured to be foldably provided on a mounting stay 55 for mounting the cutting blade 55a.

A stand 54 is provided near a mounting portion of a hydraulic opening and closing device 56 for opening and closing the handle cylinder cover 54.
This is a configuration in which a lock hole 54b for holding a is provided. Accordingly, when the support portion of the stand 54a is folded and stored, the cutting blade 55a is located on the rear side of the mounting stay 55, so that the wrapping of the straw waste can be prevented, and the automatic restoration of the handling cylinder cover 54 due to its own weight can be prevented.

An outer chain cover 57 provided outside the inner / outer auxiliary transfer chain 5.6 provided on the front side of the threshing machine 3 comprises:
As shown in FIG. 21 and FIG. 22, the cover has a function of both a cover for human safety and a guide for smoothly guiding the cereal stalks. The upper part is a bent part 5 that bends inward.
7a.

As a result, the transfer performance of the grain stalk is improved, and the number of parts is reduced, so that the cost is reduced. As shown in FIG. 23, the reaper 4 is provided with a support rod 58 extending rearward and upward, and at the rear end of the support rod 58, an ON-OFF switch is provided above the inner and outer auxiliary transfer chains 5.6. 4. A switch-type clogging sensor 59 is provided, and the inner and outer auxiliary transfer chains are used.
6, when clogging occurs in the grain stem during transfer on any side, the clogging is detected, and the reaper 4 is automatically stopped by detecting this clogging.

Thus, if the clogging of the cereal stalk being transferred by the inner / outer auxiliary transfer chain 5.6 occurs on any side by one clogging sensor 59, this is detected, Clogging detection capable of reducing costs can be provided, and a complicated mechanism can be avoided.

At the rear side of the grain storage tank 14, a discharge support cylinder 60 provided with a vertical transfer spiral 60 a for discharging the grains stored in the grain storage tank 14 to the outside of the machine is rotated in a substantially right angle posture. A discharge auger 61 is provided at the upper end of the discharge support cylinder 60 so as to be movably supported, and has a discharge spiral 61a for contracting a discharge spiral 61a for discharging grains to the outside of the machine over the entire length of the combine 1 in the longitudinal direction. It is a configuration that is arranged in the front-rear direction so as to be able to contract, move up and down, and turn left and right freely.

[Brief description of the drawings]

FIG. 1 is an enlarged side view of a feed chain and a rotating portion of a chain rail.

FIG. 2 is an enlarged plan view of a feed chain and a rotating portion of a chain rail.

FIG. 3 is an enlarged plan view of an inner auxiliary transfer chain and an outer auxiliary transfer chain.

FIG. 4 is an enlarged side view of the inner and outer auxiliary transfer chains.

FIG. 5 is an enlarged side view of the inner and outer auxiliary transfer chains.

FIG. 6 is a side view of a mounting portion of the stock guide.

FIG. 7 is an enlarged side view of a stock guide.

FIG. 8 is an enlarged front view of the stock guide.

FIG. 9 is an enlarged side sectional view of the threshing machine.

FIG. 10 is an overall side view of the combine.

FIG. 11 is a view showing another embodiment, and is an enlarged side view of a mounting portion of a swing motor.

FIG. 12 is a view showing another embodiment, and is an enlarged side view of a fuel tank portion.

FIG. 13 is a view showing another embodiment, and is an enlarged side view of a mounting portion of a dust seal.

FIG. 14 is a view showing another embodiment, and is an enlarged plan view of a mounting portion of a dust seal.

FIG. 15 is a view showing another embodiment, and is an enlarged right side view of a cleaning port of a dust processing chamber.

FIG. 16 is a view showing another embodiment, and is an enlarged side view of a cleaning port cover of a dust processing chamber.

FIG. 17 is a view showing another embodiment, and is an enlarged side sectional view of a dust net portion.

FIG. 18 is a view showing another embodiment, and is an enlarged front view of a dust net portion.

FIG. 19 is a view showing another embodiment, and is an enlarged front view of a stand portion of the handling drum cover.

FIG. 20 is a view showing another embodiment, and is an enlarged front view of a mounting portion of the stand.

FIG. 21 is a view showing another embodiment, and is an enlarged side view of an outer chain cover portion.

FIG. 22 is a view showing another embodiment, and is a cross-sectional view taken along line AA of FIG. 21;

FIG. 23 is a view showing another embodiment, and is an enlarged side view of a mounting portion of the clogging sensor.

[Explanation of symbols]

 3 Threshing machine 5 Inner auxiliary transfer chain 6 Outer auxiliary transfer chain 7 Feed chain 8 Chain rail 10 Rotating shaft 11 Guide rod 12 Stopper (a) Shaft center (b) Rotating fulcrum

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Atsushi Mizushima 1 Yagura, Tobe-cho, Iyo-gun, Ehime Prefecture Iseki Agricultural Machinery Co., Ltd. Within the department (72) Inventor Hitoshi Watanabe 1 Yachikura, Tobe-cho, Iyo-gun, Ehime Pref.

Claims (2)

[Claims] 1. A threshing machine 3 for taking over and transferring a grain culm from an inner and outer auxiliary transfer chain 5, 6 in front of a threshing machine 3 is provided with a feed chain 7 received by a chain rail 8, and the chain rail 8 has a front upper part. In a combine having a rotating shaft 10 which is inclined to the outside and a feed chain 7 and a chain rail 8 which can be freely opened and closed around the rotating shaft 10, a guide rod 11 for guiding the opening and closing of the chain rail 8 includes a rotating shaft 10. Axis of
(A) The grain culm transfer device of the combine, wherein the stopper is provided on the chain rail 8 at a substantially right angle and the stopper 12 is provided at the end of movement of the guide rod 11. 2. The rotation fulcrum (b) position of the rotation shaft 10 is
2. The grain culm transfer apparatus for combine harvesters according to claim 1, wherein the apparatus is provided between the inner and outer auxiliary transfer chains 5 and 6. 3.