JP3337007B2 - Threshing equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a threshing apparatus for a combine or the like.

[0002]

2. Description of the Related Art Conventionally, Japanese Utility Model Laid-Open Publication No. 1-167839 discloses a threshing chamber having a handling cylinder mounted on a shaft, and a threshing chamber formed on a side of the threshing chamber.
And an openable / closable side cover provided in the open portion.
-And for maintenance formed on a part of the side of the threshing chamber
Opening window and openable and closable side cover for closing the opening window
And a clamping rod disposed outside the side cover and the threshing chamber.
The supply and transport channel looped from the start end to the end
Threshing equipment with a grain culm supply and transport device consisting of
The supply and transport chain with the transport terminal end side inward.
Described structure configured to open sideways as a heart
Have been.

[0003]

[SUMMARY OF THE INVENTION The supply conveyor chain of the known example, since it is configured to open laterally of its end side as a center, open the supply conveyor chain to a predetermined angle or more to the large lateral If not, the opening formed on the side of the threshing room
The release part cannot be opened sufficiently. Therefore, a large work space is required around the threshing device, and maintenance in the threshing room cannot be performed in a narrow place.

[0004] Further , in order to rotate to the side, supply and transport are performed.
The transmission between the rotating shaft of the passive or drive gear of the chain and the fuselage side
The connection mechanism with the driving shaft becomes complicated. It was also turned sideways
Later, even if it is returned to the original position, misalignment occurs,
This may interfere with the supply of the garbage. In addition, this public
In the case of the known device, the discharge
When the waste is clogged with the straw conveyor, remove the waste
There is a defect that work is difficult except.

[0005]

The present invention employs the following technical means in order to solve the above-mentioned problems. That is, the threshing room 15 on which the handling cylinder 16 is mounted, and the threshing room 15
Opening window 41 for maintenance formed on a part of the side of 15
Openable and closable to close the maintenance opening window 41.
A side cover 28 and a cover disposed outside the side cover 28
From the starting end side of the clamping rod 30 and the threshing chamber 15 to the end side
The supply and transport chain 34
Upper chain guide rail 35 that guides and supports chain 34
And a grain culm supply / transportation device 1
Threshing with the stock transfer handover device 11 provided in front of 2
In the apparatus, the supply and transport chain 34 and the upper chain plan
The end of the supply / conveying chain 34 is integrally formed with the inner rail 35.
Side of the maintenance opening window 41 with the center side as the center
Move up to the extent that it does not interfere with the opening and closing operation of the cover 28
This is a threshing apparatus having the above-mentioned configuration.

[0006] With this configuration, when threshing work is performed,
Nipping rod 30 arranged outside of side cover 28 and supply conveyance
The grain is supplied by the grain stalk supply and transport device 12 comprising the chain 34.
While transporting the culm, the handling cylinder 16 mounted on the threshing room 15
This transported grain culm is threshed. And threshing room 15
When maintaining the internal or the like, the supply conveyance chain 3 4
And the upper chain guide rail 35 are integrated with the
Opening and closing the side cover 28 around the terminal end of the chain 34
Move it up to the extent that it does not interfere with the operation, and
To open the maintenance opening window 41
From the maintenance opening window 41 inside the threshing chamber 15
Maintenance can be performed. Supply transport chain 34
Cereal stems are clogged between
In this case, the culm removal operation can be easily performed.

[0007]

According to the present invention, the threshing room 1 on which the handling drum 16 is mounted is provided.
5 and a maintainer formed on a part of the side of the threshing chamber 15
Window 41 and the maintenance window 41 are closed.
Openable and closable side cover 28, and
The clamping rod 30 disposed outside and the starting end side of the threshing chamber 15
Supply and transport chain 34 looped from the end to the end
And an upper chain plan for guiding and supporting the supply and transport chain 34
A grain culm supply / transportation device 12 comprising an inner rail 35;
Stock takeover transfer device 1 provided in front of culm supply and transfer device 12
1, the supply and transport chain 3
4 and the upper chain guide rail 35 are integrally supplied and transported.
Maintaining the end of the chain 34 for the maintenance
The opening / closing operation of the side cover 28 of the opening window 41 does not interfere.
Because it is configured to move up to
Supply maintenance chain 34 for maintenance in the grain room 15
Can be moved upward.
Work space on the side of the threshing device compared to the configuration
This maintenance can be performed even if the space is
The work efficiency of the maintenance can be improved. Soshi
When the maintenance opening window 41 is opened,
From the maintenance opening window 41 to the maintenance inside the threshing room 15
Will be able to do In particular, the supply transport chain 34
The supply chain is integrated with the upper chain guide rail 35.
As it moves upward centering on the terminal end side of the
The area around the window 41 for sensing is wider, making it easier to perform
It works. Further, the supply / conveyance chain 34 and the front thereof are provided.
Grain stalks are clogged between the root stock transfer device 11
Even if there is a problem, the supply and transport chain 34
If you move it to the center, a large work space can be taken
A removal process can be performed.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to the drawings. 1 is a combine body frame, 2 is a traveling device provided below the body frame 1, and 3 is a threshing provided above the body frame 1. The device 4 is a cutting section provided in front of the body frame 1. The cutting unit 4 includes a foreground plant 5 at the forefront position and a raising device 6 for raising the grain stem behind the weed body 5.
A raking device (not shown) for raking the cereal stem raised by the raising device 6, a cutting blade 8 for cutting the root of the culled cereal stem, and a base of the cut cereal stem. A stock transfer device and a head transfer device for transferring are provided. 9 is a cutting vertical cylinder, 10 is a transmission case of the traveling device 2,
Numeral 11 denotes a stock transfer system that takes over the cereal stalks cut by the reaping unit 4 to a cereal stalk supply and transfer device 12 that supplies the culms to the threshing device 3.
Is a head-end transfer device.

A threshing chamber 15 is formed in the front upper part of the threshing apparatus 3 in the machine direction, and a thrust drum 16 is mounted on the threshing chamber 15. 1
7 and a wind selection chamber 18
To form In FIG. 6 and subsequent figures, reference numeral 19 denotes an oscillating sorting frame provided in the oscillating chamber 18 so as to swing freely, reference numeral 20 denotes a fan for blowing air to the blasting chamber 18, and reference numeral 21 denotes a unit provided below the oscillating sorting frame 19. Pulley 22 for the first conveyor is a pulley for the second conveyor. 23 is a side plate of a processing chamber provided on the side of the threshing chamber 15, 24 is a straw processing unit, 25 is a straw transporting device,
26 is a discharge auger for discharging grains in the Glen tank, 2
Reference numeral 7 denotes a fixed side plate of the threshing chamber 15.

Thus, a part of the threshing chamber 15 and / or
Alternatively, a maintenance opening window 41 (opening) 41 is formed on a part of the side of the wind selection chamber 18, and the side cover 28 (side wall body 28) that closes the maintenance opening window 41.
Is detachably attached to the fuselage. 29 is a side cover 28
Is an attachment / detachment operation lever for attaching an attachment to the body side.
The upper edge of the side cover 28 is inclined so as to become higher toward the rear, and the grain is provided between the upper edge of the cover 28 and a lower edge of a clamping rod 30 of the grain culm supply / transportation device 12 described later. The culm supply / conveyance device 12 forms a conveyance passage 31 for the grain culm to be conveyed, and the cereal culm supply / conveyance device 12 conveys the cereal culm through the conveyance passage 31. Therefore, the grain culm supply / conveyance device 12 is located on the side of the maintenance opening window 41 and the side cover 28.

The clamping rod 30 of the grain culm supply / transportation device 12 is attached to the turning end side of an upper cover 32 which covers the upper part of the threshing chamber 15, and when the upper cover 32 is moved upward, it is integrally moved upward. It is configured to be. Reference numeral 33 denotes an upward movement holding member that assists the upward movement of the upper cover 32 and holds the upper cover 32 at an upper position. The supply and transport chain 34 of the grain culm supply and transport device 12 includes a passive gear 3 at the start end of an upper chain guide rail 35 for guiding the chain in the upper stroke of the supply and transport chain 34.
6, a drive gear 37 is provided at the end, and a lower chain guide rail 38 for guiding the chain in the lower stroke is provided below the upper chain guide rail 35, and a tension is provided at the rear of the lower chain guide rail 38. A gear 39 is provided and is hung between the passive gear 36, the drive gear 37 and the tension gear 39 (the lower chain guide rail 38 may not be provided). The supply and transport chain 34 moves the upper chain guide rail 35 and the lower chain guide rail 38 so that the passive gear 36 side moves upward about the rotation shaft 40 of the drive gear 37, and the side of the side cover 28. At a non-working position retracted from the side of the side cover 28.

Reference numeral 43 denotes a spring; 44, an engaging plate mounted on the lower surface of the upper chain guide rail 35 on the starting end side; 45, an engaging groove of the engaging plate 44; 46, an engaging shaft provided on the threshing apparatus 3;
47 is a cam body attached to the engagement shaft 46, 48 is an operation lever, 49 is a front plate of the threshing device 3, and 50 is a grain culm supply port. It is to be noted that a holding plate portion 51 for holding the handling net 17 is formed inside the side cover 28, and an effect of holding the handling net 17 when the side plate side cover 28 is attached is expected. 52 is a cutting blade attached to the inner surface of the upper cover 32.

FIG. 5 to FIG.
2 is a second embodiment of the moving structure of FIG. The rotary shaft 53 of the passive gear 36 is rotatably mounted on a mounting member 54 fixed to the body side, so that the drive gear 37 side is moved upward. FIG. 9 shows a connection configuration between a rotating shaft 40 of the rotating driving gear 37 and an input shaft 56 protruding from a transmission case 55 provided on the machine body side.
An engagement groove 57 is formed in one of the two, and an engagement piece 58 is formed in one of the other. Reference numeral 59 denotes a bolt for fixing the upper chain guide rail 35 to the machine body.

FIGS. 10 to 12 show the side cover 28.
Is attached to the upper chain guide rail 35 and the lower chain guide rail 38 of the grain culm supply / transportation device 12 so that the maintenance opening window 41 is opened by the upward movement of the supply / conveyance chain 34 of the grain culm supply / conveyance device 12. In order to facilitate the upward movement of the supply and transport chain 34 of the grain culm supply and transport device 12, the drive gear 37 is slidably mounted in the axial direction of the rotating shaft 40.

In the embodiment shown in FIGS. 13 to 15, the starting end of the supply and transport chain 34 of the grain culm supply and transport device 12 is configured to move up and down about the rotation shaft 40 of the drive gear 37. A U-shaped mounting member 61 is fixed to the engaging plate 44, and a shaft 62 is vertically penetrated through the mounting member 61, and the shaft 62 is attached to the mounting member 61 so that only a downward movement is possible. The upper end of 62 is fixed to the upper chain guide rail 35, and the mounting member 61 is urged by a spring 63 to always move upward. When the pressing of the engagement plate 44 by the cam body 47 is released by the operation lever 48, the start end of the supply and transport chain 34 is moved to the upper chain guide rail 35, the shaft 62 and the mounting member 6.
1 and the engagement plate 44 are integrally moved upward, and the maintenance opening window 41 can be opened.

In the embodiment shown in FIGS. 16 to 18, the starting end of the supply and transport chain 34 of the grain culm supply and transport device 12 is configured to move upward together with the clamping rod 30. And upper chain guide rail 3 of supply and transport chain 34
5 are provided with projections 65 and 66, respectively.
When the connection member 67 between the projection 65 and the projection 66 is removed and maintenance is performed, the connection member 6 between the projection 65 and the projection 66 is removed.
Connected by 7.

In the embodiment shown in FIGS. 19 to 20, the grain culm supply / transportation device 12 is provided with passive gears 70, 71 at the front and rear ends of the upper chain guide rail 35.
The drive gear 3 fixedly provided on the machine body side between the lower chain guide rail 38 and the tension gear 39 provided at the rear of the lower chain guide rail 38.
7, the supply / conveying chain 34 is waved around the lower surface of the passive gear 71, the upper surface of the driving gear 37, and the lower surface of the tension gear 39, and the supply / conveying chain 34 is removed from the driving gear 37. Instead, the supply transport chain 34 is configured to move upward. In this case, the supply transport chain 3
4, the upper chain guide rail 35 and the lower chain guide rail 38 of the upper chain guide rail 35 of the clamping rod 30 and the supply / transport chain 34 are moved upward together with the upper cover 32 in a substantially parallel state. The protrusions 65 and 66 are respectively provided on the front and rear sides, and the protrusions 65 and the protrusions 66 are connected by a connecting member 67 and moved upward. At the time of work, the front and rear portions of the lower chain guide rail 38 are fixed to fixing portions of the fuselage by fixtures (clamps) 72.

In the embodiment shown in FIG. 21, the handling cylinder 16 is mounted on a rotatable movable plate 73 (the rear movable plate is not shown). The clamping rod 30 is attached, and the clamping rod 30 and the supply / transport chain 3 are attached.
4 are provided on the front and rear sides of the upper chain guide rail 35, respectively.
6 is connected by a connecting member 67 so as to be movable upward. Reference numeral 74 denotes an upward movement assisting member (a gas spring, a hydraulic cylinder, or the like) that moves the handling cylinder 16 upward.

In the embodiment shown in FIGS. 22 to 24, the supply and transfer chain 34 of the grain culm supply and transfer device 12 is configured such that the upper chain guide rail 35 and the lower chain guide rail 38 can be integrally detachably attached by a fixture 72. It is attached to the fixed part of the fuselage. Next, the operation will be described. Since the present invention is configured as described above, the culm is weeded by the weeding body 5 of the cutting unit 4 and the culled culm is raised by the raising device 6, and the root side of the raised cereal stem is a cutting blade 8. The culm stalks are harvested and raked by a scraping device, conveyed by a stock transfer device and a tip transfer device, taken over by a stock transfer device 11 and a tip transfer device 13, and transferred to a stock transfer device. The corn culm supply and conveyance device 12 transfers the cereal culm to the cereal culm supply / conveyance device 12, and supplies the culm to the threshing chamber 15 for threshing.

Thus, maintenance in the threshing chamber 15 and the air selection chamber 18 is required.
A maintenance opening window 41 is formed in a part of the windscreening chamber 18 and a part of the wind selection chamber 18. When the operating lever 48 is rotated about the engaging shaft 46 to release the cam body 47 from pressing the engaging plate 44 of the upper chain guide rail 35 of the grain culm supply / transportation device 12, the grain culm is provided. The upper chain guide rail 35 and the lower chain guide rail 38 of the supply / transport chain 34 of the supply / transport device 12 rotate upward about the rotation shaft 40 of the drive gear 37 on the terminal side, and the side portion of the side cover 28 When the side cover 28 is detached from the machine side by operating the attachment / detachment operation lever 29, the maintenance opening window 41 is opened, and a part of the threshing room 15 and the wind selection room are retracted. 18 Some of the side is opened, it can maintain the desorption or oscillating screening device frame 19 of 扱網 17. Therefore, the supply / conveying chain 34 can be retracted from the side of the side cover 28 without removing it from the gears 36, 37, etc., the transmission mechanism can be simplified, and there is little space for upward movement, and the Work can be done easily on the slash side.

Further, the supply and transport chain 34 can be accurately returned to the original position, and there is little obstacle to restarting the operation. Figure 5
In the second embodiment of FIG. 8, the rotation shaft 53 of the passive gear 36 provided at the start end of the upper chain guide rail 35 of the grain culm supply / transportation device 12 is rotatably mounted on a mounting member 54 fixed to the machine body side, Since the drive gear 37 is configured to move upward, the bolt 59 is removed, and the drive gear 37 is rotated upward about the rotation shaft 53 of the passive gear 36 on the start end side to thereby rotate the side cover 28. When the side cover 28 is removed from the body side, the maintenance opening window 41 is opened, and a part of the threshing chamber 15 and a part of the wind selection chamber 18 are opened. The portion is opened, and the detachment of the handling net 17 and the maintenance of the swing sorting frame 19 can be performed.

In this case, the positional relationship between the passive gear 36 and the driving gear 37 of the grain culm supply / transportation device 12 is such that the passive gear 36 is lower, the driving gear 37 is higher than the passive gear 36,
Since the upper chain guide rail 35 is inclined higher toward the rear side, the upper chain guide rail 35 is retracted from the side of the side cover 28 even if the upward movement range of the end portion of the upper chain guide rail 35 is reduced. Further, as shown in FIG. 9, an engaging piece 58 is formed at the end of the rotating shaft 40 of the rotating driving gear 37 and an engaging groove 57 is formed in the input shaft 56. The supply and transport chain 34 can be moved upward without removing the supply and transport chain 34 from the 37, and the rotating shaft 40 of the drive gear 37 and the grain culm supply port 50 can be connected.

In the third embodiment shown in FIGS. 10 to 12, the drive gear 37 is slidably mounted in the axial direction of the rotary shaft 40. When the upper chain guide rail 35 and the lower chain guide rail 38 are slid, the side cover 28 and the holding plate 51 attached to the upper chain guide rail 35 and the lower chain guide rail 38 are separated from the handling net 17 sideways. When the start end of the lower chain guide rail 38 is moved upward, the maintenance opening window 41 can be opened.

In the fourth embodiment shown in FIGS. 13 to 15, when the pressing of the engagement plate 44 by the cam body 47 is released by operating the operation lever 48, the start end of the supply and transport chain 34 is moved to the upper chain guide rail 35 and the shaft. When the 62, the mounting member 61, and the engagement plate 44 are integrally moved upward and the side cover 28 is removed, the maintenance opening window 41 is opened. Also, at the time of work, even if the amount of grain culm supplied to the grain culm supply and transport device 12 increases due to a sudden increase in the traveling speed of the machine body, the start end of the supply and transport chain 34 is lowered and clogged. In addition, the starting end of the supply and transport chain 34 is always moved upward by the elastic force of the spring 63, so that the supply and transport chain 34 can be reliably held and transported.

In the fifth embodiment shown in FIGS. 16 to 18, the clamping rod 30 and the upper chain guide rail 35 of the supply / transport chain 34 are used.
Connecting member 6 for connecting each of projection 65 and projection 66
7, the harvesting and threshing work is performed, and in this state, the clamping rod 30 is moved upward by the upward movement of the upper cover 32 to remove the clogged grain culm. Next, the protrusion 65 and the protrusion 6
When the upper member 6 is connected to the upper cover 32 by a connecting member 67 (gas spring, hydraulic cylinder, or the like), the clamping rod 30 moves upward in conjunction with the upward movement of the upper cover 32, and the The upper chain guide rail 35 and the lower chain guide rail 3 of the supply / transport chain 34 by the upward movement of the rod 30.
When the upper cover 8 is moved upward and the side cover 28 is removed, the maintenance opening window 41 is opened.

In the sixth embodiment shown in FIGS. 19 to 20, the grain culm supply / transport device 12 is provided with the upper chain guide rail 35.
Passive gears 70 and 71 are provided before and after at the end of the drive gear 37, and a drive gear 37 provided immovably on the fuselage side between the passive gear 71 and a tension gear 39 provided at the rear of the lower chain guide rail 38 is provided. Since the supply and transport chain 34 is wound in a wave shape so as to pass through the lower side of the passive gear 71, the upper side of the drive gear 37, and the lower side of the tension gear 39 (so-called circumscribed transmission), the clamping rod 30 and the supply and transport chain are provided. The protrusions 65 and the protrusions 66 on the front and rear sides of the upper chain guide rail 35 are connected by connecting members 67, and the attachment 72 is removed.
Is moved upward without removing the feed chain.

The drive gear 37 can be exchanged for one having a different number of teeth, so that the transfer speed of the grain culm supply and transfer device 12 can be changed. In the seventh embodiment shown in FIG. 21, the handling cylinder 16 is mounted on a rotatable movable plate 73, and the clamping rod 30 of the grain culm supply and transport device 12 is attached to the movable plate 73. Since the projections 65 and 66 are respectively provided on the front and rear sides of the upper chain guide rail 35 of the feed chain 30 and the supply and transport chain 34, the upper cover 32 is moved upward to perform maintenance in the threshing chamber 15, and By moving the clamping rod 30 upward, maintenance such as removal of clogged grain stalks is performed, and the connection member 6 between the projections 65 and the projections 66 is connected.
7, the holding rod 30 and the supply / conveying chain 34 are moved upward to remove the side cover 28 and perform maintenance.

In the eighth embodiment shown in FIGS. 22 to 24, the supply and transfer chain 34 of the grain culm supply and transfer device 12 is configured such that the upper chain guide rail 35 and the lower chain guide rail 38 are integrally attached and detached by the fixture 72. Since it is freely attached to the fixed portion of the machine body, the fixture 72 is removed and the upper chain guide rail 35 and the lower chain guide rail 38 are removed from the machine body for maintenance.

As described above, when the supply and transport chain 34 is configured to rotate upward, the maintenance opening window 41 can be opened and maintenance can be performed without requiring a wide open space around the threshing device. In addition, if it is configured to rotate upward, it is not necessary to remove the supply and transport chain 34 from the passive gear 36 and the drive gear 37, and the connection mechanism between the rotation shaft of the passive gear 36 and the drive gear 37 and the transmission shaft on the machine body side is eliminated. Can be simplified.

Further, when returned to the original position, the interval between the supply and transport chain 34 and the machine body does not change, so that the subsequent transport of the grain culm can be performed reliably and smoothly.

[Brief description of the drawings]

FIG. 1 is an overall side view.

FIG. 2 is a side view of a main part.

FIG. 3 is a side view of a main part.

FIG. 4 is a front view of a main part.

FIG. 5 is a front view of a main part of the second embodiment.

FIG. 6 is a side view of the same.

FIG. 7 is a side view of the main part.

FIG. 8 is a side view of the main part.

FIG. 9 is a perspective view of a rotation shaft and an input shaft.

FIG. 10 is a side view of the third embodiment.

FIG. 11 is a plan view of the main part.

FIG. 12 is a front view of the main part.

FIG. 13 is a front view of a main part of a fourth embodiment.

FIG. 14 is a side view of the same.

FIG. 15 is a side view of the main part.

FIG. 16 is a side view of a main part of the fifth embodiment.

FIG. 17 is a side view of the main part.

FIG. 18 is a front view of the main part.

FIG. 19 is a side view of the sixth embodiment.

FIG. 20 is a side view of the main part.

FIG. 21 is a front view of a main part of the seventh embodiment.

FIG. 22 is a side view of the eighth embodiment.

FIG. 23 is a side view of the main part.

FIG. 24 is a front view of the main part.

[Explanation of symbols]

Reference Signs List 3 threshing device 11 stock transfer handover device 12 cereal culm supply / transport device 15 threshing room 16 handling cylinder 28 side cover 30 clamping rod 32 upper cover 34 supply / transport chain 35 upper chain guide rail 41 maintenance opening window

Claims (1)

(57) [Claims] 1. A threshing chamber 15 on which a handling cylinder 16 is mounted,
Opening window for maintenance formed in part of the side of grain room 15
41 and an opening / closing member for closing the maintenance opening window 41.
Existing side cover 28 and disposed outside the side cover 28
From the start end to the end of the threshing chamber 15
Supply chain 34 wrapped around the
Upper chain guide rail 35 for guiding and supporting the feed chain 34
A grain culm supply / transportation device 12 comprising:
And a stock transfer device 11 provided in front of the storage device 12.
In the threshing device, the supply and transport chain 34 and the upper chain
And the supply guide chain 35
The maintenance opening window 41 is centered on the terminal end side.
Up to the point where the opening and closing operation of the side cover 28 does not interfere.
A threshing device characterized in that it is operated.