JPS61216614A - Scraping apparatus in combine - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention relates to a combine harvester for harvesting and threshing culms.

(B) Prior Art Conventionally, a large number of raking wheels are disposed in the rear part of a single weed plant in mesh with each other, and the raking wheel on one side is driven, and the other raking wheels following it are sequentially driven. A combine harvester in which an engaging portion, through which the drive wheels rotate rearward, is formed in the scraping path is already known from Japanese Utility Model Application No. 55-30535.

(c) Problems to be Solved by the Invention In the known combine harvester, the load of the other raking wheels is concentrated on the drive raking wheel, which causes the wheels to wear out considerably and to be raked in a pinched state by the teeth of the driving wheel. The culm was crushed and damaged.

In addition, since one scraping path is formed by two scraping wheels,
The number of scraping wheels was twice as many as the number of scraping paths.

(d) Means for solving the problems The present invention provides a combine harvester having a plurality of plowing paths.
Three raking wheels are mutually meshed and pivotally supported in the raking path, and among the raking wheels, the one located in the center is driven by the base raking band, and the central raking wheel and its The raking ring that meshes with one side constitutes one raking path, and the raking ring that meshes with the other side of the central raking wheel forms another raking path on the side that is not engaged with it. A raking band is provided on the outside of the raking wheels constituting the other raking paths, so that three raking wheels arranged in a row and meshing with each other are connected to one raking ring in the center. Although it is driven by wheels and can simplify the transmission mechanism,
The above-mentioned problems are solved by preventing the raking wheels from applying loads from other raking paths to the shell culm, and by making it possible to form two raking paths by three raking wheels.

(E) The culm, which is divided by the weed cutting body and raised by the pulling body, is cut by the cutting blade, and after being raked backward by each raking wheel, it is fed to the threshing device by the conveying device. .

Among the scraping wheels, the three scraping wheels meshing on one side are driven by the central scraping wheel, and the other scraping wheels are driven by the three scraping wheels mentioned above.
These three scraping wheels are driven separately without meshing with the other scraping wheels, and these three scraping wheels form two scraping paths with an engaging part that rotates toward the rear and an outer part. The culm that is raked by the raking route is not subjected to the raking loads of other raking routes.

(F) Embodiment To explain an embodiment of the present invention with reference to the drawings, 1 is a self-described threshing device mounted on a machine base 3 having a traveling device 2, and an operation panel is provided on the other side in order from the front. 4. There is a cockpit 5, an engine E is installed below it, and a grain tank etc. are arranged at the rear, and in front there are a plurality of split plants 7, 8, and 8.
Working, culm lifting device 9, raking wheel 10..., stock raking chino 11..., stem raking bell with lug) 12, Φ, stem raking ring with raking claw 713... , a reaping device consisting of a cutting blade 14 and a horizontal conveyance check 7, 15, etc. is provided, and a vertical conveyance device 18 is disposed from one side of the reaping device toward the rear and upward, and the terminal end of the vertical conveyance device 1B and the threshing A lifting device is provided between the feeding section of the device 1 and the stock lifting device 17 and the ear side lifting device 18 arranged in parallel.

Next, the configuration of each part of the five-row mowing type combine harvester will be explained in detail.

[Reaping device] As shown in Fig. 1, the culm lifting device 9 is arranged between two pairs of lifting bodies 8a whose lifting paths are adjacent to each other, and on the right side (as viewed from the front).
One triggering body 8b whose triggering path is on the outside
It is driven by an upper cylindrical transmission case 19.

The two scraping wheels 10 and φ on the left side are engaged with each other, and the three on the right side are engaged in a row in the horizontal direction, and the vertical shaft 2
0..., and the boo 9 at the top of their vertical axis 2o...
The rear part of the stem scraping belt 12 is wrapped around -2111, and the tin rockets 22 and 22 are attached to the second and fourth vertical shafts 20 and 20 from the left, and the driving sprockets 23 and 23 behind them are attached. 11.11.
, so the second scraping wheel 10 from the left drives the first scraping wheel 10 that meshes with it, and the fourth scraping wheel 10 drives the third and fifth scraping wheels that mesh with it on both sides. 10. As a result, the fifth raking wheel 1
0 is a plan view of the counterclockwise chain lla, which is rotated in the needle direction by the drive sprocket 23a at the rear, and is driven to scrape the corresponding outer stock part, bearings that support the two scraping wheels 10 and 10 on the right side. The raking wheels 10 and 10 are removably attached to the reaping frame via a mounting bracket 1OA that supports the raking wheels 10 and 10 so as to mesh with each other.

Further, the shaft 20a of the rightmost scraping wheel 10 drives the lower stem scraping check 713a at the upper end, as shown in FIG.
The shaft of the driven sprocket at the rear of the stem scraping check 713a drives the upper stem scraping check 713b, and the pulley 21 at the left end has two V grooves, and the other V groove A lug-equipped stem scraping belt 12a is stretched between the movable boob 9-21a which is pivotally supported laterally, and the culm scraping is performed in a wide scraping passage, which will be described later.

The shaft 24.24 of the drive sprocket 23.23 is the third
As shown in the figure, it rises from the gear case 25.25,
Above the stem raking belt 12, there are two upper and lower stages of stem raking checks 713. branch 7
When cutting perpendicularly to the culm row, or when reaping wide wheat, the distance between the grass body 8 and the adjacent grass body 8 should be set wider than the width of the weeding path in other parts. This is to avoid leaving any uncut material even if the cutting line is uneven, as the machine meanders during the previous stroke to cut the cutting.

The horizontal conveyance chino 15 has a starting end on the left side of the stock scraping chino 1.
1, the terminal end is bent rearward and is driven by a drive sprocket 15a.

[Vertical conveyance device] The vertical conveyance device 18 has clamping rails 28 on the conveyance surface of the conveyance chino.
It is made up of a stock head conveyor 26 with a pair of wheels facing each other, and a head side conveyor 27 with a guide rod facing each other across a holding gap from a check 7 with a conveyor claw. It is driven by a sprocket on a shaft 29, and the front part of the ear-side conveyor 27 has a lateral conveying section parallel to the lateral conveying chino 15.

This vertical conveyance device 18 is tilted up and down by a lift arm 18c about the horizontal axis P of the gear case 28 via links 18b by a motor 18a fixed to an inclined portion 94, which will be described later, to adjust the handling depth. .

[Lifting and feeding device] In FIGS. 1, 3, and 5, the stock lifting body 1
7 and the ear side lifting body 18 are supported by a frame 31 protruding from the front surface of the threshing device l via a U-shaped rod 32,
The starting ends of those lifting bodies 17 and 18 are the stock carriers 2.
6, and the end is the supply port 33 of the threshing device 1.
It is higher than the entrance plate 33a protruding from the vertical transport device 1B, and these are arranged in parallel at an interval such that the terminal end portions of the stock base conveyor 2B and the panicle side conveyor 27 of the vertical conveyance device 1B enter between the starting ends, The stock lifter 17 is rotatably attached to the outside of a chain 717a having a low protrusion on each plate and its connecting pin, and is raised and protruded by the upper guide portion of the guide rail 17b during the upward stroke, and by the lower guide during the downward stroke. It consists of a scraping claw 17c that descends while being guided by the lower part,
The panicle side lifting body 18 has a rake claw 18a which is longer than the rake claw 17c of the stock base lifter 17, and the panicle side of the panicle side lifter 18 has a rake claw 18as as shown in FIG. A lifting guide plate 34 is installed at the side, and between the stock head lifting body 17 and the ear side lifting body 18,
an upper inclined guide plate 35 whose upper end is fixed to the lower surface of the entrance plate 33a; a movable guide plate 3B whose lower i is hinged to the upper surface of the gear case 28 and overlaps with the lower upper surface of the upper inclined guide plate 35; This is provided.

Further, the driving sprocket 37 of the stock head lifting body 17 and the driving sprocket 3 of the ear side lifting body 18 are mounted on a shaft 41 that pivotally supports the driven sprocket 40 of the foot chain 1a, as shown in FIG. , the clutch 43 in the clutch case 42 is engaged with and disengaged from a clutch pawl formed on the side surface of the driven sprocket 40 by the operation of a shifter 44, and the shifter 44 connects a wire 46 to a running latch petal 45.
Since they are interlocked and connected, when the latch pedal 45 that runs during work is stepped on, the latch that runs is disconnected, and since the reaping device and vertical conveyance device 16 are interlocked with the traveling device 2, the machine body, reaping device, etc. are stopped. At the same time, the clutch 43 is disengaged and the lifting device is also stopped.

Further, a guide rod 47 is provided on the upper surface of the stock head transport body 17, and the lower end of this guide rod 47 is connected to the stock head transport body 2.
The frame 48 holding the clamping rail 28a of 6 is pivotally supported by a pin 50 on the outer surface of the rear end of the frame 48 so as to be rotatable back and forth as shown by solid lines and chain lines in FIG. 6(a). 16 is tilted up and down to adjust the handling depth, the pin 50 is in a position very close to the horizontal axis P, which is the center of rotation of the vertical conveyance device 1B, in side view, so the guide rod 47 is centered around the base. It can be freely tilted as shown in FIG.

Also, when performing shortcut work, operate the change lever to disconnect the main clutch of the submission 57 and the traveling device 2.
The clutch 43 of the lift supply device can be left in the engaged state without depressing the clutch pedal 45, and in this state the guide rod 47 can be moved as shown in FIG. 6(a). When the operator rotates to the forward position (A) (for shallow handling adjustment) or (B) position (for deep handling adjustment) shown in FIG. It is possible to feed the hand-cut husk culm to the ear-side lifting body IB in a comfortable posture, and when returning to the harvesting and threshing work.

As shown in FIG. 6, when the guide rod 47 is tilted backward and pushed lightly, the spring plate 51 whose rear part is fixed to the outer surface of the pinching rail 1b and whose front part is open is pushed outward. The front part is received by a stopper 52 and set in a predetermined guiding posture.

Since the diameters of the drive sprockets 37 and 38 of the stock head lifting body 17 and the ear side lifting body 18 are smaller than the diameter of the driven sprocket 40 of the foot chain 1a, the conveying speed vl of the foot chain 1a is It is higher than the lifting speed v2 of the feeding device.

[Pre-processing frame and transmission device] As shown in FIGS. 2 and 4, the pre-processing frame connects the side part of the gear case 28, 28a that supports the horizontal shaft P to the forked part at the front of the top link 53. The lower part near the center of gravity is supported by a pair of left and right lower links 54 54 , and the rear part of the top link 53 is a frame 31 that is integrated with the support column 55 .
Further, the rear part of the lower link 54.54 is supported by the machine base 3, and the pretreatment device is moved up and down while maintaining a substantially constant horizontal posture by the operation of the hydraulic cylinder 56. The rear transverse shaft case 60, which is inputted via the clutch 58 and transmitted via the refractive transmission mechanism 81 described later, has three gear cases 131, 82, and 83.
The front horizontal shaft case 65 has four gear cases 8fi.
, 87.25.25, and the right end of the front horizontal shaft case 85 and the right end of the rear horizontal shaft case 60 are connected to the holder 7.
The gear case 81 at the left end of the rear horizontal shaft case 80 and the second gear case 67 from the left and right of the front horizontal shaft case 65 are integrally connected by a connecting frame 71 screwed into an L-shape at 0. By connecting with the shaft case 72, a transmission case 73 is formed which also serves as an integral frame and has a horizontal U-shape when viewed from above.

Further, the reaping frame 74 is constructed by connecting a plurality of vertical frames 75 to which each of the above-mentioned weeding bodies 7 and the above-mentioned weeding bodies 8 are attached by two horizontal frames 78 and 77 and a cutting blade frame 78. The horizontal frame 7 of this reaping frame 74
6 is fixed to the left and right by connecting frames 79 and 79 in the front-rear direction, and the rear part of this reaping frame 74 is connected to the front part of the frame consisting of the transmission case 73 from below as shown in FIG. The mounting plate 8 overlaps and discharges the front part of the left side connection frame 79 from the front horizontal shaft case 65 to the rear.
5a and 130a, the rear part of which protrudes from the lower part of the rear horizontal shaft case 80, is removably fixed by tightening them with bolts. The reaping frame 74 and the transmission case 73 are integrated by bolting the rear parts to the lower surface of the gear case 62 and removably fixing them to the mounting plate 85b provided, and the vertical frame 75 at the right end is attached to the rear part of the mounting plate 85b. It is divided at the center and removably connected with a bolt 809.

As shown in FIGS. 1 to 3.9, the refractive transmission mechanism 81 has a transmission 82 attached to the machine frame at the bottom of the cockpit 5.
The input pulley 83 of the transmission 82 is connected to the submission 5
It is driven by a pulley 84 in front of 7, and its output pulley 8
5 is interlocked and connected to the pulley 87 of the intermediate shaft 86 by a belt 88 with a taratch pulley, and the sprocket 8 of the intermediate shaft 88
8 and a sprocket 91 attached to the horizontal shaft 80 in the rear horizontal shaft case 60 are interlocked and connected by a chino 131a, and the rear part of the bearing 88a of the intermediate shaft 86 is connected to the bearing tube 85a of the output pulley 85. A premature death certificate receiver provided at the front end of the rear bending arm 92, which is rotatably fitted loosely into the! The upper part of the front bending arm □93 is fixed to the bearing 88a, and the lower part is supported by the rear part □-! Since it is loosely fitted into the horizontal shaft case 60, when the preprocessing frame is raised and lowered in a substantially constant posture by the hydraulic cylinder 56, the transmission 82 is integrated with the machine base 3, while the rear horizontal shaft case 60 is connected to the transmission. Although it moves up and down integrally with the case 73 while changing the relative distance, it bends and extends with the intermediate axis 86 of the front bending arm 9a and the rear bending arm 82 as the bending point, so the distance between the axes does not change. Smooth transmission can be achieved, and the threshing device I is separately driven by the engine E.

Further, a gear case 28a provided adjacently to a gear case 28 for driving the vertical conveyance device 16 is attached to the rear side of the gear case 28a.
・□It is connected to the gear case 62 of the two-shaft case 80 by a diagonal part 84 with a back transmission shaft inside, and the gear case 2
Since the front fulcrum of the top link 53 coincides with the horizontal axis P within 8° 28a, reliable transmission can be performed without difficulty, and the cylindrical transmission case 18 of the culm lifting device 9 has a gear case. The signal is input through the shaft 18a rising from 66.

Furthermore, the top link 53 is shown in side view in FIG. 9(a).
, As shown in (b), the stock lifting body l? And the panicle side lifting body! 8, so when the pre-processing device is raised and lowered to adjust the cutting height, the distance between the end of the stock head conveying cheno 28 and the stock head lifting body 17, etc. hardly changes, and the cutting height is adjusted. The culm can be transferred reliably regardless of its size.

[Culm Guide Device] A rear horizontal guide plate S5, which also serves as a cover that is L-shaped in plan view and covers the outside and front side of the refraction transmission mechanism, is removably screwed onto the front refraction arm 83 via a stay 98. This rear horizontal guide plate 95 includes vertical guide portions 87a and 87a that extend rearward from the lower rear surfaces of the second and third triggering bodies 9a and 9a from the left, and their rear ends. As shown in FIGS. 1 and 3, the first and second pullers from the right are opposite to the horizontal guide portion 97b of the lower guide plate 97, which is composed of a connected horizontal guide portion 97b, across the horizontal conveyance path. body 9a
, ! A lower guide plate S7 is also attached to the rear surface of the trigger body 9b, and a wide guide plate 97c extending rearward from the rear surface of the left end triggering body 9a is bent at the rear and placed on the rear surface of the horizontal conveyance path. The vertical intermediate portion of the guide plate 97c is formed into a F-shaped protrusion 87C', and a channel-type support arm 97d protruding laterally from the holding cylinder of the shaft 119a is connected to the protrusion. Since it is fitted and screwed onto the rear surface of part 97c°,
The rear part of the guide plate 97c can be firmly supported, and the protruding portion 97c'' comes into line contact with the culm being transversely fed, so that the conveying resistance can be reduced and the culm can be transversely fed in an orderly manner. .

Also, an upper guide plate 88 is provided directly above the lower guide plate 87, the lateral guide part of which is substantially flush with the lateral guide part 97b of the lower guide plate θ7, and which is triangular in side view. Almost the entire surface of the upper inclined part of the upper guide plate 8B is screwed onto the back surface of the corresponding triggering bodies 9am and 9b with bolts 89 and the lower part is connected to the upper part as shown in FIGS. 3 and 7. The stay 88a is placed in the support frame of the stem raking chino 13 with a small gap that allows straw waste to pass through.

It is removably screwed in by 119a.

[Upper ridge weeding device] A raising body 9 in which the non-working side of the culm raising device 9 is adjacent
The ridge weeding device 100 is installed at the lower part between 9a and 9a.
The ridge weeding device 100 is installed as shown in FIGS.
A shaft 101 in the front and back direction is driven by the shaft of the chino via the chino, and bridge pawls 103 and chino 104 attached to the chino so that the chino can be raised and lowered are stretched to the sprockets pivotally supported on the upper and lower parts of the chino case 1G2. sprocket shaft 1
04a is driven by the shaft 101 through a bevel gear, the bridge pawls 103... are driven by the guide rail 10 on the rising side.
5 from the ground as shown in Figure 3.
pitch) and the front part of the stem raking belt 1 of the stem raking chino 13 located at the lower edge or lower stage of the lower guide plate 97.
At a low bridge raising height corresponding to 2, the grass protrudes and forcibly spreads over the bridge, and at the upper limit of the bridge, the culm is handed over to the wind, and thereafter it is loosened by the wind. However, the weeds can be weeded up to the panicle side without difficulty, and the occurrence of shedding and pulling out of culms can be reduced compared to the method in which weeding on the bridge is performed up to the upper part of the raising members 8a and 9a.

In addition, the bridge pawl 103 enters into the triggering bodies 9a, 9alii and descends as shown in FIG. 8(a) during the downward stroke.
The rear surface of the non-active side of the triggering body 96* is open, and a guide plate 108 is bent backward from the front of this opening.
Reference numeral 108 guides straw, mud, etc. backward and downward from the rear opening of the chenoke case 102, and guides the straw, mud, etc. to the raising body 9a,
This prevents straw waste from entering the opposing openings of the triggers 9a, and allows straw waste etc. discharged from the triggers 9a, 9a to fall from a gap 107 formed at the rear end.

Furthermore, although not shown in the figure, a ridge top weeding device having approximately the same height as the bridge weeding device @100 or the pulling device 9b is attached to the outside of the pulling device 91J on the uncut land side.

[Effect] Next, the effect will be explained.

Grass splitting body 7, fist and perfect grass body 8 - Grass is divided by hand, and while the grass is divided on the bridge by the bridge weeding device 100, the shell culm is raised by the shell culm pulling device 9. ..., 1
The culm that has been raked by the cutting blade 14 and cut by the cutting blade 14 from the left raking route to the cross-feeding route is guided at the rear by the guide plate 97c and the rear lateral guide plate 95, and the front part is guided by the upper guide plate 97c and the rear lateral guide plate 95. Guided by the guide plate 98 and the lower guide plate 87, the shell culm scraped from the intermediate scraping route merges with the shell culm being fed laterally from the left side, and then merges with the curved part at the end of the cross-feeding route.

The culm thus transversely fed is transferred to the vertical conveyance device 16 and transported later, and in the meantime, the motor tea is activated by the detection result of a handling depth sensor (not shown), and the vertical conveyance device 16
The handling depth is adjusted by moving up and down, and at the end of the conveyance, the lower part of the stock head conveyor 26 and the stock head lifter 17 overlap, so the handle is smoothly changed and the stock is moved to the guide rod 47. The pressed state is transferred to the stock head lifting body 17 and the raking claw 17c, and the panicle side falls onto the panicle side lifting body 18 and is transferred to the raking claw 1.
8a and transported to each other.

At this time, since the terminal end of the vertical conveyance device 16 is inserted between the starting ends of the stock head lifting body 17 and the panicle side lifting body 18, the stock base of the culm that has fallen from the terminal end of the vertical conveyance device 1B is The panicle side is reliably received on the stock head lifting body 17 and the panicle side lifting body 18, and the panicle side is securely received on the stock base lifting body 17 and the panicle side lifting body 18, and
It will be carried out at wide intervals outside the conveyance end of 7, and the stock will be lifted in a stable horizontal position, and the stock part will be placed at the starting end of the foot chain 1a of the threshing device 1 and the pinching rail lb. It is possible to write in an orderly manner and to supply the ears to the supply port 33 without disturbing their posture and without causing any delay in lifting.

In cases where the traveling device 2 sinks, such as in wet fields, when the pretreatment frame of the reaping device and vertical conveyance device 16 is raised by the hydraulic cylinder 56, the rear bending arm 8 of the bending transmission mechanism 81
2 and the front bending arm 83 is reduced, and the distance between the axes is constant, so that the transmission can be carried out without strain.

Thus, when the scraping wheels 10... scrape the shell culm, the two on the driver's seat 5 side are driven separately to scrape two rows of the shell culm, and the wheels on the other side engage with each other. The three raking wheels 10... are driven by the central raking wheel 10 which rotates the stock raking chino 11 on its side in a clockwise direction, and the raking wheels 10 in the center and the raking wheel 10 in the center rotate toward the rear. The scraping wheel 10 meshed with the rotating side scrapes two rows of the culm, and the scraping wheel 10 at the outer end rotates counterclockwise to make the outside a scraping path. The culm that has been raked into the stock is the culm of the stock and the culm of the stem is 71.
3a.

13b toward the horizontal conveyance check 715.

(G) Effects of the Invention The present invention provides a combine harvester in which a plurality of raking paths are formed by a large number of raking wheels 10 as described above.
The raking wheels 10-. The scraping wheel 10 that meshes with one side constitutes one scraping path, and the scraping wheel 10 that meshes with the other side of the central scraping wheel 10 forms the other scraping path (this Since the scraping band is provided oppositely to the outer side of the scraping ring 10 that constitutes the other scraping route, the three scraping wheels 10
-- can be driven by one central raking wheel 10, simplifying the transmission device, reducing the weight and cost of the machine, and ensuring sufficient space for the raking path. When each raking wheel 10... locks and rakes the culm, the culm is held between the teeth of the raking wheel without being subjected to the raking load of other parts as in the conventional case. will not be crushed and damaged.

Furthermore, two scraping paths can be formed by three scraping wheels that mesh with each other.

[Brief explanation of drawings]

The drawings show one embodiment of the invention. Figure 1 is a developed plan view of the front part of the combine, Figure 2 is a side view of the same as above, Figure 3 (a) is a side view of the same as above with the right raking path omitted when viewed from the front, and (b) is the upper guide plate. Cross-sectional view of (
C) is a sectional view of the lower guide plate, FIG. 4 is a plan view of the pretreatment frame, FIG. 6(a) is a cross-sectional view of an example in which the scraping claws of the original lifting body are attached to the inside, FIG. 6(a) is a side view of the lifting device, and FIG. 6(b)
) is a plan view of the guide rod locking portion, FIG. 7 is an exploded side view of the culm rake portion, and FIG. 8(a) is a longitudinal sectional plan view of the bridge weeding device.
9(b) is a perspective view of the same as above, FIG. 9(a) is a side view showing the upper limit of the tilting range of the refraction transmission part and the top link, and FIG. 9(b) is a side view showing the lower limit of the tilting range of the same. 9a-・Lifting body 10Φ・Scraping wheel 11, lla
・Stock base raking chen 13 ・Stem raking chen IB ・Vertical conveyance device 25 ・・
Gear case 2B... stock carrier 27, ψ ear carrier procedural amendment May 20, 1985 1, Indication of case Patent application No. 1987-58759 2
, Title of the invention: Scraping device for combine harvester
[! 67-1 (187)
Mitsubishi Agricultural Machinery Co., Ltd. Representative Bengami Sambei 4, Agent 〒241 5, Subject of amendment (1) Drawings

Claims (2)

[Claims] (1) In a combine harvester in which a plurality of raking paths are formed by a large number of raking wheels 10, three raking wheels 10 are arranged from one side.
The scraping wheels 10, which are located in the center, are driven by the base scraping band, and the scraping wheels 10, which mesh with one side of the scraping wheels 10, are The scraping ring 10 constitutes one scraping route, and the scraping ring 10 that meshes with the other side of the central scraping ring 10 forms another scraping route on the side that is not engaged with the other scraping ring 10. A raking device for a combine harvester, characterized in that a raking band is provided on the outside of a raking wheel 10 forming a raking path. (2) At least two scraping wheels 10 on the other side of the three scraping wheels 10.
A raking device for a combine harvester according to claim 1, wherein the raking wheels 10, 10 are provided separately.