JP3371864B2 - Threshing equipment - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a threshing apparatus for a combine or the like. 2. Description of the Related Art Conventionally, in a threshing apparatus, in order to easily perform internal maintenance, a technique for opening a handling cylinder and a straw conveying apparatus has been attempted.
In the conventionally known Japanese Utility Model Application Laid-Open No. 3-56331, a crimping net is provided by stretching an upper chamber on which a handling chamber is mounted and a shaft is mounted.
The upper chamber is divided into a lower chamber that supports the barrel shaft.
The front and rear side walls and the handle cover that covers the upper side of the handle
And a front-rear direction parallel to the handle cylinder axis at a front end of the handle cylinder axis.
The endless belt driven from the attitude transmission shaft is interlocked and connected,
Power is transmitted from the handle cylinder shaft to the rear side of the side wall plate 9 on the rear side of the handling chamber.
A belt transmission mechanism is provided, and the belt is discharged via the belt transmission mechanism.
The straw transport chain of the straw transport device is configured to be driven,
A transfer device is supported on the handling cylinder cover side via a support frame.
Holding the upper chamber in a front-rear direction parallel to the handle cylinder axis.
The center of the transmission shaft is centered, and the right and left sides of the transmission shaft rise greatly.
A threshing device configured to be rotatable is described. [0003] Generally, the handling cylinder and the clean
Back between the threshing and transfer nets
On the side, the lump of threshing becomes larger and clogs easily,
Also, on the swinging shelf of the sorting room below the handling room,
The rear side, which is the lower side of another transfer, has more straw debris and is clogged
Easily occur. However , in the threshing apparatus described in Japanese Utility Model Laid-Open No. 3-56331 , the handling cylinder is mounted on a shaft.
Handle the upper chamber and set the axis of the transmission shaft in the front-rear direction parallel to the cylinder axis.
Because it is configured to rotate upward as a center,
The handling cylinder and the handling cylinder can be rotated up
Parallel to the crimping mesh facing the lower side in the front-rear direction
Separate while maintaining the posture, and the straw transfer chain of the straw conveyor
And the clamping rod facing the lower side of the straw transfer chain is in the front-rear direction.
At the same time, keeping the parallel posture. Obedience
Therefore, the rear part of the handling cylinder and the straw transfer chain
It cannot be turned up greatly. For this reason, even when the upper chamber is rotated upward,
After the gap between the cylinder and the crimping mesh facing the lower side of the handling cylinder
It is difficult to remove the thresh clumps
And a straw transfer chain for the rear of the drum and the straw conveyor.
Position below these to prevent large upward rotation
To remove straw debris from the sorting shelf of the sorting room
There is a disadvantage that can not be. [0006] In order to solve the above-mentioned problems, the present invention takes the following technical means. That is,
The upper chamber 2a on which the handling chamber 2 is handled and the barrel 3 is mounted, and the crimp net 4
The upper chamber 2a is divided into a stretched lower chamber 2b and the upper chamber 2a.
Side wall plates 8 and 9 before and after supporting the handling cylinder 6 and the upper side of the handling cylinder 3
And a handle cylinder cover 5 for covering the front of the handle cylinder shaft 6.
The handle cylinder transmission case 17 is provided at the end and intersects with the handle cylinder shaft 6.
The transmission shaft 18 in the left-right direction is interlocked and connected to
Fixed case in which case 17 is fixed to the machine frame 1 side of the threshing device
Rotation fixed to the front side of the portion 17a and the front side wall plate 8
And the rotating case 17b is fixed.
With respect to the case 17a, the center of the shaft of the transmission shaft 18 is centered.
To be rotatable, and behind the side wall plate 9 on the rear side of the handling chamber 2.
A transmission mechanism transmitted from the handling cylinder shaft 6 is installed on the surface side.
Attach the transmission case 21 and discharge through the transmission case 21.
Configuration to drive straw transfer chain 23 of straw transport device 20
Then, the straw conveying device 20 is moved forward through the support frame 22.
The upper case 2 is supported by the transmission case 21 and the upper cylinder 2a is
Centered on the axis of the transmission shaft 18 in the left-right posture crossing the shaft 6
It is configured to be able to rotate up as much as the rear side
This is a threshing apparatus characterized by having done this. Thus, when maintenance of the threshing apparatus is performed, the upper chamber 2a is handled in the right and left directions intersecting with the barrel shaft 6.
Is turned up and down around the axis of the transmission shaft 18 in the upright posture.
As a result, the interlocking state of the handling cylinder 3 and the straw transfer chain 23
, While the upper chamber 2a is
You Noboru rotation. Thus, the rear part of the handling cylinder 3 and the straw conveying device
The 20 straw transfer chains 23 and the like are greatly raised and turned,
3 and the space between the crimping net 4 facing the lower side of the handling cylinder 3
Easy to remove thresh clumps clogging the rear part of
In addition, the rear part of the handling cylinder 3 and the lower part of the straw conveying device 20
Removal of straw debris on the sorting shelf in the sorting room located in
You can do it. According to the present invention, the handling cylinder 3 and the straw conveying device
Above a large, such as 20 of the straw transport chain 23 as then hand side
By raising and lowering, the handling cylinder 3 and the lower side of the handling cylinder 3
Clogging in the rear part of the space between the crimping net 4
Grain lumps shall be easily removable and shall be renewed.
At the rear of the handling cylinder 3 and below the straw conveying device 20
The removal of straw debris on the sorting shelf in the sorting room can be done easily.
As a result, the work efficiency of the maintenance of the threshing device can be improved. FIG. 1 is a side view for explaining the operation, and FIG.
The figure is a front view, and an embodiment will be described with reference to these drawings. Reference numeral 1 denotes a machine frame of a threshing machine (threshing device), and a main threshing room and a sorting room are formed by plate members of an outer periphery and an inner partition. Reference numeral 2 denotes a handling chamber, in which a handling cylinder 3 is rotatably mounted. The handling chamber 2 is configured to be divided into an upper chamber 2a on which a handling cylinder 3 is mounted and a lower chamber 2b integrated with a machine frame on which a crimping net 4 is stretched. 5 forms an upper chamber 2a. The metal 7 supporting the handle shaft 6 and the side walls 8 and 9 before and after the handling chamber are members that form a part of the upper chamber 2a. Reference numeral 10 denotes a grain culm supply port. Numeral 11 is a grain stalk outlet. Numeral 12 denotes toothed teeth implanted on the outer peripheral surface of the drum. Reference numeral 13 denotes a handle, which is a feed chain 14 for holding and transporting the stem side of the cereal stem and a clamping rod 1.
5 is provided in a form along the handling port 13. Reference numeral 17 denotes a transmission shaft 18 for transmitting the handle cylinder shaft 6.
Is disposed in a direction crossing the front end of the handle cylinder shaft 6 from the horizontal and horizontal direction.
Reference numeral 7 denotes a fixed case 17a which is fixed to the fixed machine frame 1 side and is connected to the fixed case 17a so as to be rotatable about the axis of the transmission shaft 18 as a center of rotation. And a rotating case 17b fixed to the side wall plate 8. Further, a transmission body including a set of bevel gears is provided at an intersection of the transmission shaft 18 and the handle cylinder shaft 6. The metal 7 is formed integrally with the rotating case 17b. The clamping rod 15 is attached to the outside of a wall plate 19 connecting the side wall plates 8 and 9 constituting the upper handling chamber 2a side on the handling port 13 side. Reference numeral 20 denotes a straw transfer device (straw transfer device), which is provided with a transmission mechanism transmitted from the handle cylinder shaft 6 to the outer portion of the rear side wall plate 9 of the handling chamber 2 and a transmission casing of the interior.
A sprocket attached to the output shaft of the case 21 and a support frame attached to the case 21 are provided.
A straw transfer chain 23 is wound between the sprocket mounted on the shaft 22 and the straw, and the threshed straw is taken over from the grain stem transfer device 16 and transferred to the rear side.
That is, the straw transfer device 20 is integrally formed with the rear side wall plate 9 of the member constituting the upper handling chamber 2a. 24
Indicates a clamping rod of the straw transfer device. Numeral 25 denotes a damper (biasing means) which may be either a hydraulic damper or a gas damper, and is constructed so that the piston is always projected and urged, and the distal end of the piston 25a is fixed to the fixed case 17a. Of the cylinder 25b is connected to the upper outer surface of the front side wall plate 8 via a bracket.
The upper handle 2a side is moved upward with the front side as a fulcrum so as to be openable from the imaginary line state to the solid line state in FIG. Note that a hydraulic cylinder device may be provided in place of the damper 25, and the forming member on the upper handling chamber side may be forcibly rotated upward by the switching operation of the hydraulic switching valve. Reference numeral 26 denotes a stopper, which is formed in such a manner that a pipe is laid horizontally above the straw outlet 11 behind the handling room of the machine frame 1 and is provided on the outer wall of the rear side wall plate 9 of the handling room 2. Attach the plate body 27 that contacts the stopper 26, and
At 26, the upper casing 2a is configured to support the machine frame side. Reference numeral 28 denotes a sorting room, which is provided from the lower side of the crimping net 4 to the rear side of the straw outlet 11, and has therein a sorting shelf 29, a Karamin 30 for generating a wind for sorting, and a suction dust fan. The first spiral 32 and the second spiral 33 are provided on the bottom surface. Numeral 34 denotes a cutter device which is mounted on the rear end of the machine frame 1 and has disc blades 35a and 35b disposed before and after partially overlapping in a side view in the cutter case. A plurality of straws are suspended at predetermined intervals on the upper side, and are inverted to cut the straw into predetermined dimensions. The operation of the above example will be described in detail. In the threshing operation state, the operation is set to the state shown in the phantom diagram shown in FIG. 1 and normal threshing operation is performed. That is, a cereal stalk transport device 1 composed of a feed chain 14 and a clamping rod 15 thereof.
6, the culm to be threshed is supplied and the stem side of the cereal culm is pinched and transferred along the handle 13 and the tip side of the cereal culm is sent from the cereal culm supply port 10 into the handling chamber 2, Threshing is performed by rotation of the handling cylinder 3. The threshed straw is discharged from the culm discharge port 11, and the base of the straw is transferred to the rear side by the straw transfer device 20, and then released and supplied to the cutter device 34 to be cut into a predetermined size. It is discharged to the field scene. The grains that are threshed inside the handling room 2 are leaked from the crimping net 4, are sorted by the sorting net on the sorting shelf 29, are sorted by the wind in Karinokaze, and are taken out of the machine by the first spiral 32. In addition, the straw waste discharged from the discharge port 11 is once supplied to the sorting shelf 29, the grains mixed therein are sorted out, the first grain is taken out by the first spiral 32, and the second grain is It is transferred by the spiral and returned to the handling room 2 again. On the other hand, the straw waste is sucked by the sorting wind and the suction wind by the suction fan 31, and is discharged outside the machine. In this manner, a threshing sorting operation is performed. During such an operation, a large amount of threshing cereals is supplied into the handling room, or a large amount of wet cereals is supplied to the handling room. In the case where clogging occurs or when the crimping net 4 is replaced due to the use of the threshing machine for a long period of time, the upper chamber forming member of the handling room 2 is rotated upward together with the handling drum 3. In order to release the clogging inside the handling room and to replace the crimping net 4, the fixed side machine frame 1 of the threshing machine and the upper handling room 2
The setting member (not shown) for fastening and setting between the upper handling chamber forming member and the upper handling chamber forming member is released, and the entire upper handling chamber forming member is transferred to the straw by receiving the urging force of the piston 25a of the damper 25. The transfer chamber 23 side of the device 20 is turned up as shown by the solid line diagram in FIG. As described above, the handling room 2 becomes larger toward the rear side of the handling room 2.
When it is opened, removal of clogged grain becomes extremely easy,
In addition, since the waste transfer device 20 also moves upward at the same time, the clogging of the straw and the rear side of the sorting shelf 29 located below the waste transfer device 20 can be simultaneously inspected and repaired. . In addition, the operation of replacing the crimp net 4 can be extremely easily performed. Since the upper rotation of the upper handling chamber 2a is rotated about a transmission shaft 18 provided in front of and above the grain culm supply port 2 on the front side of the threshing machine, a special structure is adopted. There is no need to provide a rotation support shaft, and the configuration can be simplified.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a side view for explaining the operation of a main part. FIG. 2 is a front view of a main part. DESCRIPTION OF SYMBOLS 1 Machine frame 2 Handling room 2a Upper room 2b Lower room 3 Handling cylinder 4 Crimp net 5 Handling cylinder cover 6 Handling cylinder shaft 8 Front side wall plate 9 Rear side wall plate 17 Handling cylinder transmission case 17a fixed case part 17b rotating case 18 transmission shaft 20 straw discharge device 21 transmission case 22 support frame 23 straw transfer chain

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A 3-56331 (JP, U) JP-A 2-29232 (JP, U) JP-A 3-67521 (JP, U) JP-A 55- 5718 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) A01F 12/00 A01F 17/02

Claims (1)

(57) [Claims] (1) An upper chamber (2a ) in which a handling chamber (2 ) is mounted around a handling cylinder (3 ).
It is divided into a lower chamber 2b with a crimped net 4
Side wall plates 8 and 9 before and after handling upper chamber 2a and supporting barrel shaft 6
And a handle cover 5 for covering the upper side of the handle cylinder 3.
At the front end of the handle shaft 6, a handle cylinder transmission case 17
Interlocking connection of a transmission shaft 18 that crosses the shaft 6 and has a horizontal posture
Then, the handle cylinder transmission case 17 is fixed to the machine frame 1 side of the threshing device.
The fixed case 17a and the front surface of the front side wall plate 8
And a rotating case 17b fixed to the side.
And the transmission shaft 18 with respect to the fixed case 17a.
Is rotatable about the axis of
The transmission transmitted from the handling cylinder shaft 6 to the rear side of the side wall plate 9
A transmission case 21 equipped with a driving mechanism is attached, and the transmission case 21
The straw transfer chain 23 of the straw discharge device 20 is
And the straw conveying device 20 is supported.
22 and supported by the transmission case 21 through the upper chamber.
A transmission shaft 1 having a left-right attitude crossing the handle cylinder shaft 2a.
With the axis 8 as the center, the rear side of the
A threshing device characterized in that it is configured to be able to cut.