JPH10327646A - Gear-shift device of combine harvester for raising cereal stem - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable to easily carry out gear-shifting operation for raising velocity of the cereal stem-raising lug of a combine harvester and simplify a structure. SOLUTION: A space ranging from rear side of a cereal stem-raising device 3 of a reaping device 2 capable of raising the device 3 to a vehicle body to the cereal stem-feeding inlet 6 of a threshing machine 5 through over a stem transporting device is covered with a front dust-protecting cover and a rear dust-protecting cover 8 capable of opening and closing it. A raising gear-shifting lever 12, which supports the front dust-protecting cover and operates to change the speed of a raising lug 11 of the cereal stem-raising device 3, is fixed to the supporting frame 10 united with the reaping frame of the reaping device and a grip of the raising gear-shifting lever 12 is exposed to the side of an operation seat 17 of the front and rear dust protecting cover 8.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cereal stem raising and shifting operation apparatus for shifting the raising speed of a raising lug in a combine cereal stem raising apparatus of a combine.

[0002]

In a combine in which a dust cover is provided to cover the upper part of the grain culm conveying device between the grain culm raising device of the mowing device and the grain culm supply port of the threshing device, It is difficult to set the position of the raising shift lever for changing the shift of the raising lug of the culm raising device. If it is hidden under the dustproof cover, it is difficult to perform the operation, and if it is installed directly on the upper part of the cereal stem raising device, it becomes difficult for the pilot to reach.

[0003]

SUMMARY OF THE INVENTION The present invention provides a threshing device mounted on a rear portion of a vehicle body 1 from a rear side of a cereal stem raising device 3 of a reaping device 2 of a reaping device 2 which can move up and down with respect to a vehicle body 1, and above a cereal culm conveying device 4. 5 is covered with a front dustproof cover 7 and an openable / closable rear dustproof cover 8, and a cover support frame 10 integrated with a cutting frame 9 of the cutting device 2 is provided with a front cover. Raising gear shift lever 12 for supporting the dust protection cover 7 and changing the speed of the raising lug 11 of the grain stem raising device 3
Is attached, and a grip 13 of the raising / lowering shift lever 12 is exposed to the control table 17 side of the front / rear dustproof covers 7 and 8 to constitute a combine grain raising / raising speed change operating device.

[0004]

According to the present invention, the raising shift lever 12 is mounted on the reaping frame 9.
Since the grip 13 is exposed to the control table 17 side of the front and rear dustproof covers 7 and 8, the shift operation is performed regardless of whether the rear dustproof cover 8 is opened or closed. If the user reaches the side from the cockpit 14 to the side, the elevating shift lever 12 can be easily gripped, and the operability can be improved. The raising / lowering shift lever 12 is used to move the cutting frame 9 up and down with respect to the vehicle body 1.
And the mowing device 2 such as the cereal stem raising device 3 and the front dustproof cover 7 are moved up and down integrally via the cover support frame 10 integrated with the transmission lug 11 and the speed change transmission portion. The operation interlocking mechanism is simplified.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A combine is a self-removing type, and a mowing device 2 is supported on a front portion of a vehicle body 1 having a crawler traveling device 15 so as to be able to move up and down by expansion and contraction of a lift cylinder 16, and a threshing device 5 is mounted behind this. Further, the reaping device 2 and the threshing device 5
A cockpit 17, a cockpit 14, an engine, and the like are mounted on the lateral side of the vehicle, and a Glen tank 18, a dumping auger 19, and the like are mounted on the rear.

The cereal stalks cut by the reaper 2 are conveyed to the cereal culm supply port 6 of the threshing device 5 by the cereal culm conveying device 4 and are clamped between the feed chain 20 and the clamping rod 21. Then, the spikes are supplied to the threshing room while being conveyed backward, and threshing and sorting are performed. The threshed grains are stored in a grain tank 18 on the lateral side by a graining machine, and when they are full, they can be discharged outside the machine by a grain discharging auger 19.

The reaping frame 9 of the reaping device 2 has a rear end portion which is raised and lowered about a lifting shaft 23 on a support bracket 22 at a front portion of the vehicle body 1.
The cereal stem raising device 3, the cereal stem scraping device, the cutting blade device 24, the cereal stem conveying device 4, the front dust-proof cover 7 and the like are mounted, and the lifting and lowering is adjusted by the hydraulic expansion and contraction of the lift cylinder 16. The cereal stem raising device 3 includes a raising transmission case 26 in the form of an upper end section of a raising pillar 25 erected from the front of the cutting frame 9.
And a raising case 29 connected between a weeding body 28 at the front end of the weeding rod 27. In the raising case 29, a raising chain 30 on which a raising lug 11 is disposed is provided with upper and lower sprockets 31. The rug 11 is protruded into the lateral side of the cereal culm raising passage A by being slid and guided by the rug guide to rotate, thereby raising the cereal culm in a certain posture while scraping up the cereal culm, thereby cutting the mowing. This is a posture that is easily performed.

A transmission shaft 32 interlocked with a transmission shaft in the mowing frame 9 and a transmission shaft 35 interlocked with each of the transmission shafts 33 and 34 in the transmission case 26 are provided above the raising pillar 25. Is provided with a shift gear 37 which is switched by a shift shifter 36. By operating the shift shifter 36 by operating the pull-up shift lever 12, the shift gear 37 is switched, thereby switching the rotation of the transmission shaft 32 between high and low. To the power transmission shaft 35 to raise the lug 1 of each raising case 29.
The transmission of one rotation can be transmitted.

Above the grain culm conveying device 4 of the reaping device 2, a power transmission cover 45 covering the raising transmission case 26 at the upper end of the grain culm raising device 3, and a grain culm at the front end of the rear threshing device 5. A front dust-proof cover 7 and a rear dust-proof cover 8 each having a gate shape in a front sectional view are provided between the supply port 6 and the rear dust-proof cover 8 can be opened and closed by moving in the front-rear direction. .

The front dust-proof cover 7 is supported at a predetermined position by a cover support frame 10 integrally attached to the cutting frame 9, and the rear dust-proof cover 8 is a lower part that is rotated back and forth around the elevating shaft 23. The rear end of the rear dustproof cover 8 is supported and guided along the upper surface of the front dustproof cover 7 by supporting the rear end of the rear dustproof cover 8 with the hinge 41 at the cover support arm 38 bent in an L-shape toward the ear. You. From the left and right sides of the cover support frame 10 to the front dustproof cover 7
A guide roll 39 is arranged and supported on the outer side of the front side, and the guide roll 39 supports the rail 40 of the rear dust-proof cover 8 to slide forward and backward. 42 is a handle. 43 is a side cover that covers the lateral outer side of the reaper 2.

The control table 17 of the cover support frame 10
A part 44 on the side protrudes outward from the lateral end of the front dustproof cover 7, and is attached to the protruding part 44 so that the raising / lowering lever 12 can be switched back and forth. This shift lever 1
2 may be located inside the dustproof cover 7, but in this case also, the grip 13 at the tip is exposed laterally outside the front and rear dustproof covers 7 and 8, and the cockpit 1
From 4, it is assumed that the operator can easily grasp the object. The raising shift lever 12 and the shift shifter 36 of the raising device 3 are
The front gear 7 and the transmission cover 45 are linked to each other via an interlocking mechanism 46, and the transmission gear 36 can be switched by rotating the raising / lowering transmission lever 12 back and forth. Appropriate gaps B are formed on the opposing surfaces of the lateral ends of the front and rear dustproof covers 7 and 8 and the lateral end of the cockpit 17.

A work light 4 is provided on the front of the front dustproof cover 7.
7 are provided. When the rear dustproof cover 8 is moved forward and opened, the front end of the rear dustproof cover 8 has a projecting portion 48 projecting forward from the upper side of the work light 47 to serve as a reflection surface. The irradiation area L1 (FIG. 8) irradiates not only the front, but also the portion immediately before the raising case 29, and the irradiation area L when the rear dustproof cover 8 is retracted.
It is wider than 2, making it easier to see the raised state of the cereal stem.

The culm supply port 6 on the front side of the threshing device 5 has a transfer guide 49 on the starting end of the feed chain 20.
Can be turned up and down around the hinge 50 of the frame portion of the threshing device 5 above the grain culm supply port 6 (FIG. 9), and the handover guide 4 is opened with the rear dust cover 8 opened.
9 is rotated upward to increase the grain culm supply interval C between the rear part of the rear dustproof cover 8 and the takeover guide 49, and the hand-cuttered grain culm D is fed from this interval C to the feed chain 20 and the clamping rod 21. Can be pinched between them. The feed chain 20, the clamping rod 21, the transfer guide 49, etc.
The rear dust-proof cover 8 is provided along the outside of the stock side.

The dumping auger 19 is capable of selecting a dumping position by turning the front dumping port 51 vertically and horizontally around a rear vertical dumping auger.
The front end portion 52 having the grain discharge opening 51 can be turned around a hinge 53 at the upper center portion of the front dustproof cover 7 to be folded, and the folded auger 19 and the front end portion 52 can be folded. The openings 54, 55 are positioned on the front dust-proof cover 7, and the particles discharged from the openings 54, 55 fall from the upper surface of the cover 7 to the field scene. The upper surface of the front dust-proof cover 7 is formed in an arc shape with a normal cross section.

[Brief description of the drawings]

FIG. 1 is a plan view of a dustproof cover of a combine.

FIG. 2 is a side view thereof.

FIG. 3 is a side view and a plan view showing the operation.

FIG. 4 is a front sectional view of a part thereof.

FIG. 5 is a front view of a transmission mechanism of the grain stem raising device.

FIG. 6 is a side view of the combine.

FIG. 7 is a front view thereof.

FIG. 8 is a side view showing the operation of the working light unit.

FIG. 9 is a side view showing the operation of the rear dustproof cover.

FIG. 10 is a plan view showing the operation of the dumping auger unit.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Body 2 Harvesting device 3 Grain raising device 4 Grain conveying device 5 Threshing device 6 Grain feeding port part 7 Front dustproof cover 8 Rear dustproof cover 9 Cutting frame 10 Cover support frame 11 Rag lug 12 Raising shift lever 13 Gripping portion 14 cockpit 17 cockpit

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Takeshi Takekata 1 Yachikura, Tobe-cho, Iyo-gun, Ehime Prefecture Iseki Agricultural Machinery Co., Ltd.

Claims (1)

[Claims] 1. A grain culm supply port 6 of a threshing device 5 mounted on the rear part of a car body 1 from the rear side of a grain culm raising device 3 of a harvesting device 2 which can be raised and lowered with respect to a car body 1 and above a grain culm conveying device 4 part. Is covered with a front dust-proof cover 7 and an openable / closable rear dust-proof cover 8, and the cover support frame 10 integrated with the cutting frame 9 of the reaper 2 supports the front dust-proof cover 7 and A pull-up speed change lever 12 for changing the speed of the pull-up lug 11 of the grain stem raising device 3 is attached, and the grip portion 13 of the pull-up speed shift lever 12 is exposed on the control table 17 side of the front / rear dustproof covers 7 and 8. Combine grain stalk raising and shifting operation device.