JP3050724B2 - Stalk culm transporter of threshing machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stem and stem transport device for a threshing machine mainly mounted on a combine.

[0002]

2. Description of the Related Art In general,
In this type of threshing machine, a feed chain is provided on the side of the handling room to hold and transport the stem and stalk between the strapping rail.However, when cleaning, checking, and maintaining the handling room, the feed chain is in the way. Work is hindered. Therefore, as disclosed in Japanese Patent Application Laid-Open No. 63-84419, there has been proposed a structure in which the feed chain is configured to be capable of retreating and rotating upward, so that the side surface of the handling chamber can be opened.
However, since the transport end portion of the feed chain is rotated with the rotation fulcrum shaft provided at the rear end of the side surface of the handling chamber as a fulcrum, even if the provisional feed chain is retracted upward and rotated. However, it is not possible to open the entire side of the handling room, so the feed chain still hinders the cleaning, inspection and maintenance of the handling room,
The reality is that workability has been reduced.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned circumstances, and has been made with the object of providing a stem and stem conveying device of a threshing machine which can eliminate these disadvantages. the Fuidochien for holding and conveying the stalks culms between Kyo扼rail, in threshers formed by laterally disposed in threshing chamber side, the conveyance termination portion of the Fuidochien, than stem culm supply port of Fuidochien is threshing chamber In order to elevate and retreat to the transport start end side, it is configured to be able to retreat and rotate upward with the transport start end position as a fulcrum than the stem and stem supply port part of the handling room, and the entire side surface of the handling room is opened in the standing and retracting posture. It is assumed that.
According to the present invention, workability in cleaning, inspection, maintenance and the like of the handling room can be improved by this configuration.

[0004]

Next, an embodiment of the present invention will be described with reference to the drawings. In the drawings, reference numeral 1 denotes a combine, which is a combiner 1 for cutting a stalk and culm, a threshing section 3 for threshing a cut stalk and selecting threshed grains, and a threshing-treated drain. A post-processing section 4 for discharging the culm, a crawler-type running section 5 and the like are provided, and all of these basic configurations are conventional.

Reference numeral 6 denotes a handling room provided in the upper front half of the threshing unit 3, in which the stems and stems supplied from the stem and stem supply port 6b of the front end surface 6a are accommodated in the handling room. The threshing process is performed based on the rotating threshing action of the handling cylinder 7, and the threshed grains are allowed to leak into the sorting chamber 9 via the receiving net 8 which can be pulled out to the left in a slidable manner. I have. The upper surface and the upper half of the left side surface of the handling room 6 are always covered with a cover 10 which is bent in an L-shape. Cover 10
The upper surface of the handling room 6 and the upper half of the left side can be opened by retreating and rotating upward with the position of the right end of the upper surface of the handling room 6 as a fulcrum. In addition, 11
Is a detachable first side plate that covers the lower half of the left side surface of the handling room 6, 1
Reference numeral 2 denotes a second side plate integrally fixed to the receiving net 8 so as to cover the lower end of the left side surface of the handling room 6.

Further, reference numeral 13 denotes a banding rail, which is provided laterally on the left side of the handling chamber 6 so as to be closely opposed above a feed chain 14 which will be described later. In the example, since the banding rail 13 is integrally provided on the side surface of the cover 10, the banding rail 13
Of the feed chain 14 with the evacuation rotation of the cover 10.
From the opposing position to the upper right side.

[0007] The feed chain 14 holds the stem and stem transported to the end position of the lifting transporter (handle depth adjusting device) 15 provided in the pre-processing section 2 between the stem and the clamping rail 13. While the culm, which has been threshed by the handling chamber 6 during the lateral transport process, continues to the starting position of the waste chain 16 disposed behind the handling chamber 6 The transfer chamber 6 is laterally provided on the side of the handling room 6 for transport. That is, the feed chain 14 is hung on the driven sprockets 17 and 18 located at the transport start end and the transport end, and the drive sprocket 19 located behind and below the front driven sprocket 17 and forward of the front end face 6 a of the handling chamber 6. The transport sprocket 19 is turned and the transport operation is performed in accordance with the drive of the drive sprocket 19. Reference numeral 20 denotes a tension pulley located near the upper portion of the drive sprocket 19 for pressing the feed chain 14 in a resilient manner, and reference numeral 21 denotes a tension pulley 2.
Reference numeral 0 denotes a swing arm that swings and supports the drive sprocket 19 about the drive center of the drive sprocket 19, and reference numeral 22 denotes an elastic machine that biases the tension arm 21 toward the feed chain 14 side.

Reference numeral 23 denotes a guide rail having the driven sprockets 17 and 18 attached to the front and rear ends thereof, respectively. The guide rail 23 is provided between the front and rear driven sprockets 17 and 18 in the conveying operation side of the feed chain 14. The sliding frame guides the peripheral portion of the rotating frame 26. The rotating frame 26 is integrally connected to the support frame 24 and the support plate 25 to form an acute triangle.
To make up. That is, the guide rail 23
While the rear end of the support frame 24 is integrally connected to the rear end of the support frame 24 along the non-conveying action side of the feed chain 14.
An intermediate portion of the guide rail 23 is integrally connected to an upper end of the support plate 25, and a front end of the support frame 24 and a lower end of the support plate 25 are integrally connected to each other.

On the other hand, reference numeral 27 denotes a transmission case fixed at the position of the front end face of the sorting chamber 9.
Is the transmission belt 2 from the Karamin shaft 28 installed in the sorting room 9.
9, and transmits the input power to the drive shaft 30 of the drive sprocket 19. The cylindrical portion 27a of the transmission case 27 that rotatably supports the drive shaft 30. A boss cylindrical portion 31a of a connecting member 31 integrally protruding from the rotating frame 26 is rotatably fitted to the outside. That is, the feed chain 14 assembled to the rotating frame 26 is moved upward and forward with the drive center of the drive sprocket 19 located behind the feed start end of the feed chain 14 and forward of the front end surface 6a of the handling chamber 6 as a fulcrum. Although the feed chain 14 can rotate to the erecting / retracting posture, the fed chain 14 that has been erecting / retracting is located forward of the front end face portion 6a of the handling room 6, so that the entire side surface of the handling room 6 can be opened. In addition, the feed chain 14 retreats and pivots upward at the transport end side, and retracts and pivots downward at the transport start end side, so that it rises and retracts. Therefore, the highest height in the standing and retracting posture is kept as low as possible. However, since the transport start end side of the feed chain 14 rotates in a direction away from the transport end portion of the lifting transport body 15 located near the upper side, interference with the lifting transport body 15 can be avoided. It has become. In this embodiment, the feed chain 14 is rotated to a position where the center of gravity shifts to the front side, and the feed chain 14 is brought into contact with a stop (not shown) to hold the feed chain 14 in the erecting / retracting posture. Alternatively, the position may be held.

Reference numeral 32 denotes a pair of left and right wrap prevention plates provided at the feed end of the feed chain 14.
The entanglement preventing plate 32 is integrally opposed to the rear end of the rotating frame 26 with the rear driven sprocket 18 interposed therebetween. The culm conveyed to the end of the feed chain 14 is linearly slidably guided to the rear to prevent the culm from being caught in the rear driven sprocket 18. The culm conveyed to the end of the chain can be reliably transferred to the straw chain 16, but an extension of a machine frame reinforcing frame 33, which will be described later, An engagement groove 32a is formed in the engagement groove 33a for engaging the feed chain 14 from above in a predetermined horizontal posture. That is, the machine frame reinforcement frame 33 is
A bracket 33b integrally fixed to the machine frame 34, a U-shaped frame 33c integrally fixed to the bracket 33b and the rear end face of the handling room 6, and a U-shaped frame 3
3c is formed of a horizontal frame portion 33d having one end fixed thereto and supports members such as the body cover 35. The extension portion 33a is formed simply by extending the bracket portion 33b outward. It has become to be.

Further, reference numeral 36 denotes the entanglement preventing plate 32.
A locking device for the feed chain 14, which is provided at a tip end portion of the feed chain. The locking device 36 rotates between a position for locking the extension portion 33a engaged with the engagement groove 32a and a position for unlocking the extension portion 33a. The hook plate 37 is composed of a hook plate 37 which can be freely deformed, and a spring 38 which constantly urges the hook plate 37 toward the locking posture side. When the feed chain 14 is lowered from above, the feed chain 14 is automatically retracted to the non-locking position based on the contact with the extension portion 33a, and then extended to the locking position. The portion 33 is locked. Reference numeral 37b denotes a lever portion for releasing the hook plate 37 from the locking operation.

By the way, the rear driven sprocket 18
A space S that has a predetermined front-rear spacing and that is open in the up-down direction is formed between the groove S and the engagement groove 32a. That is,
Even if the culm cannot be prevented by the entanglement preventing plate 32, the passage space S for the culm is secured, so that the culm is prevented from being moved by the rear driven sprocket 1.
8 and the engaging groove 32a (extended portion 33a) can be prevented from inconvenience such that the feeding operation of the feed chain 14 is locked.

In the embodiment of the present invention configured as described above, when cleaning, inspection, maintenance, etc. in the handling room 6 are performed,
After the cover 10 is opened, the feed chain 14 is rotated upward while the hook plate 37 located at the end of the transport of the feed chain 14 is operated to the unlocking position, but the feed chain rotated upward is operated. 14
Is rotated about the drive center of the drive sprocket 19 located forward of the front end face 6a of the handling chamber 6, so that the feed chain 14 rises and retracts ahead of the front end face 6a of the handling chamber 6 to retract. Will open the entire side. Therefore, the feed chain 14 is set with the side of the handling room 6 as a fulcrum.
A part of the feed chain 14, which has been in the retracted posture, is not left on the side surface of the handling room 6 as in the case where the feed chain 14 is retracted and rotated. As a result, the feed chain 14 is cleaned, inspected, and maintained in the handling room 6. The inconvenience can be eliminated and workability can be significantly improved.

In addition, while the rotation fulcrum is provided in front of the front end surface 6a of the handling chamber 6, the rotation fulcrum is set at a position rearward of the feed start end of the feed chain 14, so that it can be retracted and rotated. In this case, the feed start end of the feed chain 14 rotates downward so as to be separated from the lifting transport body 15 located near the upper side, and as a result, the inconvenience that the feed chain 14 interferes with the lifting transport body 15 is also solved. can do.

[0015]

In summary, since the present invention is configured as described above, the feed chain, which is provided laterally on the side of the handling room, is retracted upward and opened to open the side of the handling room. The feed chain of the feed chain retreats and turns upward with the transfer end end position being a fulcrum relative to the position of the transfer start end side of the stem / culm supply port of the handling room. That is, since the feed chain rises and retracts to the transport starting end side from the stem culm supply port portion of the handling room to open the entire side of the handling room, the feed chain is retracted with the rotation fulcrum shaft provided on the side of the handling room as a fulcrum. As in the case of rotating, a part of the feed chain will not be located on the side of the handling room even in the evacuation posture, and as a result, the feed chain will be an obstacle to cleaning, inspection, maintenance, etc. of the handling room erase solution inconvenience can measure the workability improvement <br/> above.

[Brief description of the drawings]

FIG. 1 is an overall perspective view of a combine.

FIG. 2 is a side view of a threshing unit.

FIG. 3 is a plan view of the same.

FIG. 4 is a front view of the same.

FIG. 5 is an enlarged side view of a main part of the above.

FIG. 6 is a side view showing a state where the feed chain is retracted and rotated.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Combine 2 Preprocessing part 3 Threshing part 6 Handling room 13 Clamping rail 14 Feed chain 17 Front driven sprocket 18 Rear driven sprocket 19 Drive sprocket 26 Rotating frame 27 Transmission case 30 Drive shaft 31 Connecting member 32 Anti-winding plate 33 Machine Frame reinforcement frame 36 Locking device

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Yoichi Yamane 667 Iida-machi, Higashi-Izumo-cho, Yatsuka-gun, Shimane Prefecture Inside Mitsubishi Agricultural Machinery Co., Ltd. 667 No. 1 Inside Mitsubishi Agricultural Machinery Co., Ltd. (72) Inventor Sakae Sonoyama 667 I-machi, Higashi-Izumo-cho, Yatsuka-gun, Shimane Pref. 667, Iyacho, Oji-machi 1 Mitsubishi Agricultural Machinery Co., Ltd. (58) Field surveyed (Int. Cl. ⁷ , DB name) A01F 12/00-12/10

Claims (1)

(57) [Claims] The Fuidochien for holding and conveying the stalks culms between 1. A Kyo扼rail, in threshers formed by laterally disposed in threshing chamber side, the conveyance termination portion of the Fuidochien, Fuidochien of threshing chamber stalk culm In order to elevate and retract to the transport start end side from the supply port, it is configured to be able to retreat and rotate upward with the transport start end side position as a fulcrum from the stalk culm supply port part of the handling room, and the entire side of the handling room in the standing up evacuation posture A stem transporter for a threshing machine characterized by being opened.