JPH1014365A - Lubricating device for combine harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lubricating device for a combine harvester capable of shortening the length of a lubricating passage, reducing the pressure loss, affording a smaller size and improving the operating efficiency by arranging a changeover lever for a changeover device for the lubricating passage at the rear of a side cover. SOLUTION: This lubricating device 50 for a combine harvester is obtained by freely rotatably installing side covers 62 on the left and right lateral sides of a reaping part, further arranging the lubricating device 50 on the inner lateral side of the side cover 62 on one side so as to enable the free changeover of a lubricating passage communicating with various devices with a changeover device 51 for the lubricating passage and fitting a changeover lever 52 of the changeover device 51 for the lubricating passage at the rear of the side cover 62. Furthermore, a lubricating pump 55 installed in the lubricating device 50 is preferably composed so as to be driven with a lubricating switch, which is preferably arranged near the changeover lever 52.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a combine lubrication device.

[0002]

2. Description of the Related Art Conventionally, in a combine, an oil storage tank, a lubrication pump, and a lubrication passage changeover device are arranged on the left side of an operation portion, and a switching lever and a lubrication switch of the oil passage changeover device are also on the left side of the operation portion. The lubrication path changer is connected and connected via a connecting pipe to various devices such as a grain stalk raising device, a cutting blade device, a transport device, and a threshing unit feed chain / straw chain in the cutting section. , Constituting a lubrication device.

[0003]

However, in the conventional lubricating device, an lubricating pump is disposed on the left side of the operating unit, and the culm raising device, the cutting blade device, Since the lubrication passage was formed by piping the feed chain and the waste chain to the conveyor and the threshing unit, the length of the lubrication passage became longer, the pressure loss in the lubrication passage was large, and it was necessary to use a large lubrication pump. was there.

In addition, since the switching lever and the lubricating switch are disposed on the left side of the operation unit, when lubricating, it is necessary to lean out of the operation unit and operate, and the operability is not very good. Was.

[0005]

In order to solve the above-mentioned problems, the present invention provides a side cover which is rotatably mounted on the left and right sides of a reaper, and a lubrication passage inside one side cover. A lubricating device is provided in which a lubricating passage communicated with various devices can be freely switched by a switching device, and a switching lever of the lubricating passage switching device is disposed behind the side cover.

Further, the lubricating pump provided in the lubricating device is configured to be driven by a lubricating switch, and the lubricating switch is arranged near the switching lever.

[0007]

Embodiments of the present invention will be described below with reference to the drawings.

FIGS. 1 and 2 show a combine A according to the present invention. The combine A is provided with a pair of left and right crawler-type traveling parts 2, 2 at a lower portion of a body frame 1, and includes a body frame 1. 1, a cutting unit 3 is attached to the front end of the cutting unit 3 so as to be able to move up and down, a threshing unit 4 is provided immediately behind the cutting unit 3, and a straw processing unit 5 is provided immediately after the threshing unit 4. A driving unit 6 is provided at the right front portion of the
A shell particle storage tank 7 is provided at a position immediately after the tank. 8 is
A feed chain provided on the upper left side of the threshing unit 4, and a straw chain provided in the straw processing unit 5 is disposed behind the feed chain 8.

As shown in FIG. 1, the mowing section 3 has a mowing frame 11 attached to the upper end of a column 10 erected at the left front end of the body frame 1 so as to be vertically rotatable.

The cutting frame 11 is shown in FIGS.
As shown in the figure, a cylindrical rotating support shaft 12 extending in the left-right width direction is horizontally suspended between the upper ends of a pair of left and right support columns 10, 10 so as to be rotatable around an axis. The cylindrical vertical frame 13 extends forward and downward from the lower part, and a middle part of a cylindrical lower horizontal frame 14 extending in the left-right width direction is provided at the lower end of the vertical frame 13 so as to communicate with the lower part. The cylindrical rising frame 15 is raised upward from the left rear portion of the horizontal frame 14 to the front, and the support frame (not shown) is raised upward from the right end of the lower horizontal frame 14 to the front. , The upper horizontal frame 16 is laid between the upper ends of both frames 15, and the upper horizontal frame is
While the upper connecting frame 17 which curves upwardly convexly between the middle part of the vertical frame 13 and the rear part of the vertical frame 13 is laid horizontally, the left and right side parts and the central part of the lower horizontal frame 14 are respectively directed forward. The left and right connecting frames 18a and 18b and the center connecting frame 18c are formed to extend. 19 is a lower carrier support frame.

On the cutting frame 11, a total of seven weeding boards 20 for weeding the six culms to be planted are provided at a fixed interval in the left-right width direction and a total of seven weeding boards are provided. 20
Stalk raising device for raising the six-row stalk culled by the plant
And a grain stalk scraping device 22 for scraping the roots of the six-row grain stalks raised by the grain stalk raising device 21, and a grain stalk scraping device
A cutting blade device that cuts off the roots of the grain stems scraped by 22
A lower conveying device 24 that conveys the lower part of the six-row grain culm cut by the cutting blade device 23 to the threshing unit 4 side, and an upper conveying device 25 that conveys the upper part of the grain culm to the threshing unit 4 side, Head-end transfer device 26 for transferring the tip of the same grain stem, and upper and lower transfer devices
An auxiliary transport device 27 is provided to assist the transfer of the grain stalks from 25, 24 to the feed chain 8 of the threshing unit 4.

The grain stalk raising device 21 is provided with a total of six raising cases 30 extending in the vertical direction at a position immediately behind the weeding plates 20 adjacent on the left and right sides. A total of six raising cases are interposed between the upper portion and the upper horizontal frame 16, and a plurality of raising tines 31a are mounted in each raising case 30 so as to be able to rotate in the vertical direction. The raising mechanism 31 is configured so that each raising tine 31a advances when moving up and down and retracts when moving downward.

The grain stalk scraping device 22 is provided with
Immediately after the position 30, the tine-attached scraping belt 32 and the star wheel 33 are arranged so as to be vertically opposed to each other.

The lower conveying device 24 includes a left lower conveying mechanism 34 for sandwiching a lower portion of the left two-row grain culm and conveying it to the inner rear junction P, and a central lower portion of the two-row grain culm. Central lower transport mechanism 35 that transports to the junction P on the inner rear side
And a lower right transport mechanism 36 that sandwiches the lower part of the two-row grain culm on the right side and transports it to the inner rear junction P, and is transported by these transport mechanisms 34, 35, 36 and merges at the junction P And a vertical transport mechanism 37 for transporting the feed to the feed chain 8 by sandwiching the lower part of the culm.

The transport mechanisms 34, 35, and 36 basically include transport chains 34a, 35a, and 36a, and transport chains 34a, 35a, and 36a.
35a, 36a, the strangulation body 34 arranged opposite to each culm conveyance path
b, 35b, and 36b, and the vertical transport mechanism 37 is similarly configured.

The upper conveying device 25 includes a left upper conveying mechanism 38 for picking up the upper portion of the left two-row grain culm and conveying the same to the inner rear junction P, and a central upper portion of the two-row grain culm. Upper central transport mechanism 39 that lifts and transports it to the inner rear junction P
And a right upper transport mechanism 40 that lifts the upper part of the two-row grain culm on the right side and transports it to the inner rear junction P. The right upper transport mechanism 40 includes a front transport body 41 and a rear transport mechanism 41. Side carrier
42 and two.

A large number of transport tines 38a, 39a, 41a are attached to the transport mechanisms 38, 39 and the front and rear transport body 41 so as to be able to rotate in the front-rear direction, and the transport tines 38a, 39a,
41a is attached so as to advance when moving backward and retreat when moving forward, and the rear carrier 42 has the same configuration.

The upper left transport mechanism 38 is a lower left transport mechanism 34, and the upper central transport mechanism 39 is a lower central transport mechanism 35.
The front transport body 41 includes a lower right transport mechanism 36 and a rear transport body
Reference numeral 42 is disposed so as to be vertically opposed to the vertical transport mechanism 37 so that the upper and lower portions of the grain stalk are securely held and transported.

The spike transport device 26 includes a left spike transport mechanism 43.
And a center-head transport mechanism 44 and a right-head transport mechanism 45. These tip transport mechanisms 43, 44, and 45 are located at a position immediately behind the star wheel 33 and have a left upper transport mechanism 38 and a central upper transport mechanism. Above each of the mechanism 39 and the front transport body 41, and disposed at a position facing each of the transport mechanisms 38, 39 and the front transport body 41 with each of the grain culm transport paths interposed therebetween, each of which has two sections The tip of the culm is transported.

[0020] These ear tip transport mechanisms 43, 44, 45
Of the six raising drive cases described above, they are interlocked and connected to a tip transport driving case formed to extend downward from the three raising drive cases, and each of the tip transport mechanisms 43, 44, 45 includes: A plurality of transport tines 43a, 44a, 45a are mounted so as to be rotatable in the front-rear direction, and the transport tines 43a, 44a, 45a advance when moving backward and retreat when moving forward.

The auxiliary transport device 27 is disposed between the terminal end of the vertical transport mechanism 37 and the terminal end of the rear transport 42, and is disposed close to the start end of the feed chain 8. , The auxiliary transport device 27 is a transport mechanism of the lower transport device 24
It is configured in the same manner as 34, 35, 36, 37, so that the middle part of the grain stalk is delivered to the feed chain 8 and transported.

Further, the cereal stem raising device 10 attached to the left and right ends is provided with substantially triangular side covers 62, 62.
Pivoted to cover the left and right sides of the
As shown in FIGS. 5 and 7, the upper and lower side cover rotating shafts 66, 66 are mounted on the side surface of the cereal stem raising device 10 as shown in FIGS.
The upper and lower supports 63, 63 formed with the side cover rotating shafts 66, 66 at the front edge of the side cover 62 are rotatably mounted from above.
62 can be turned forward and upward, and a stepped recess 62b is formed in a side wall 62a formed at an edge of the side cover 62, and when the side cover 62 is closed, the upper frame is closed.
The end of the front gate 64 covered by the cover 74 covers the upper part of the stepped recess 62b. In the drawing, reference numeral 65 denotes a mounting body that supports the side cover rotation shaft 66.

The side cover 62 is attached to the left and right sides of the upper frame 74 with the mounting posts 68 facing downward.
A substantially L-shaped locking member 70, 70 is horizontally mounted on the upper and lower ends of the side cover 62, while an operation concave portion 75 is formed in each of the upper and lower portions of the side cover 62, and a substantially U-shaped Claw 71a
Are supported by a mounting shaft 72 so that the hook 71 can be engaged with and disengaged from the locking body 70. Reference numeral 69 denotes a fixture for attaching the locking body 70 to the mounting column 68, and reference numeral 73 denotes a receiving body that comes into contact with the locking body 70 when the side cover 62 is closed.

Since the side cover rotation shaft 66 of the side cover 62 is not orthogonal to the locking member 70 for locking the side cover 62, the locking member 70 The vertical component of the side cover 62 is suppressed by applying a component force in the inclined thrust direction.
The 62 does not easily open or come off.

Since the end of the front gate 64 covers the upper part of the stepped recess 62b of the side cover 62, the side cover 62 does not come off even if the combine A vibrates.

In addition, since the side cover 62 is pivoted forward and upward, even if the side cover 62 is accidentally opened during traveling of the combine A, the lower end edge of the side cover 62 is rotated with the rotation of the side cover 62. It moves to the upper position, and the side cover 62 does not hit the uncut stem and is not damaged.

The lower left part of the fuselage is shown in FIGS.
As shown in the figure, a side divider 81 is attached to the left side of the machine so as to be able to move forward and backward so as to prevent the uncut grain culm from getting caught in the traveling portion 2 at the time of cutting. Left connecting frame 18 arranged at the lower end
a, a front pipe 83a is attached upward to the front end of the body a, and a front pipe 81a is swingably attached to the front support 83 toward the left side of the fuselage. On the other hand, a guide ring 81e formed at the rear end of the rear pipe 81c is attached to a rear support 84 mounted on the left side of the body frame 1 so as to be slidable in the direction in which the rear support 84 extends. Rear end of pipe 81b and rear pipe 81c
A guide pipe 81d that is attached to the front end of the
Is installed. Reference numeral 82 denotes an intermediate support that supports the guide pipe 81d so as to be able to move forward and backward.

The left side cover 62 of the fuselage has a lower end 62c cut away so that the side divider 81 can be housed inside the fuselage.

Therefore, when the side divider 81 is not used, such as when traveling on a road, the side divider 81 can be stored inside the body, and the aesthetic appearance of the combine A can be improved, and the side divider 81 can be prevented from being damaged. be able to.

Next, the lubricating device 50 which is a main part of the present invention will be described.

As shown in FIGS. 5 and 6, the lubricating device 50 has a horizontal rod 67 interposed between the lower part of the mounting column 68 and the middle of the cereal stem raising device 10 in a horizontal manner. A rectangular box-shaped oil storage tank 54 is placed on the upper surface of the rod 67, and the horizontal rod 67 is placed on the oil storage tank 54.
The lubrication pump 55 mounted on the upper surface of the lubrication pump 55 is connected and connected, and the lubrication pump 55 is mounted on the lubrication pump 55 in the middle of the mounting column 68.
As shown in FIG. 9, a lubrication pipe 77 for lubricating the cereal stem raising device 10 is connected to the lubrication passage changer 51 via a connection pipe 57a, and cutting is performed via a connection pipe 57b. The lubrication nozzle 78 for lubricating the blade device 23 is connected and connected, and the upper transfer device 25, the lower transfer device 24, and the lower transfer device 24 are connected via a connection pipe 57c.
The lubrication nozzles 79a, 79b, 79c, 79d for lubricating the vertical transport mechanism 37 and the auxiliary transport device 27 are connected to each other, and further, the lubrication nozzles 80a, 80a for lubricating the feed chain 8 and the drainage chain via a connection pipe 57d. Combine 80b with lubrication
Make up 76. In the figure, reference numerals 56 and 59 denote mounting bases, and 57 denotes a connecting pipe.

The lubrication passage switch 51 is provided with an operation panel 58 mounted in the middle of a mounting column 68, a switching lever 52 protruding from the operation panel 58 toward the right side of the machine body, and a push-button lubrication switch 53 connected to the operation panel 58. The lubrication path is switched by turning the switching lever 52, and the lubrication pump is operated by pressing the lubrication switch 53.
The lubrication is performed by driving the 55.

That is, in FIG.
(a) When the lubrication oil is turned to the position and the lubrication switch 53 is pressed, the lubrication oil in the oil storage tank 54 is operated by the lubrication pump 55 to connect the connection pipe.
It flows to the grain stalk raising device 10 via 57a, and the grain stalk raising device 1
Perform 0 lubrication. Similarly, when the switching lever 52 is set to the position (b), the cutting blade device 23 is set, and when the switching lever 52 is set to the position (c), the switching device 52 is set to the upper transfer device 25, the lower transfer device 24, the vertical transfer mechanism 37, and the auxiliary transfer device 27. When the switching lever 52 is set to the position (d), lubrication is performed to the feed chain 8 and the discharge chain.

In the present invention, FIGS.
As shown in FIG. 7, an oil storage tank 54 and an oil pump 55 are arranged inside a side cover 62 on the right side of the machine body, and an operation panel 58 is arranged behind the side cover 62.

In the above configuration, the lubricating pump is
55, and the culm raising device 10, the cutting blade device 23, the upper transfer device 25, and the lower transfer device 2 of the reaping unit 3 from the oil pump 55.
4. Since the lubrication channel is formed by piping the vertical transport mechanism 37, the auxiliary transport device 27, the feed chain 8 of the threshing unit, and the drainage chain, the length of the lubrication channel can be shortened. Can be reduced, and the lubrication pump 55 can be downsized, and further the lubrication device 50 can be downsized.

A switching lever is provided behind the side cover 62.
Since the lubrication device 52 is provided, the lubrication operation of the lubrication device 50 does not need to be opened, and the lubrication operation can be easily performed.

Further, there is no need to lean out from the driving unit 6 to perform the lubrication operation, and the lubrication operation can be performed in a comfortable posture, and the operability of the lubrication device 50 can be improved.

Further, since the oil storage tank 54 is disposed inside the side cover 62, the side cover 62 can be opened to easily supply lubricating oil to the oil storage tank 54.

Further, since the lubrication switch 53 for driving the lubrication pump 55 is provided near the switching lever 52, the lubrication path is switched by rotating the switching lever 52, and
A series of lubrication operations for driving the lubrication pump 55 by pressing the lubrication switch 53 can be performed smoothly.

When the lubrication operation is performed, the operation of the lubrication pump 55 and the like can be confirmed, and the lubrication operation to various devices can be performed reliably.

[0041]

The present invention is embodied in the form described above and has the following effects.

(1) According to the first aspect of the present invention, the side covers are rotatably mounted on the left and right sides of the reaping unit, and the lubrication path changer is used to connect various devices to the inside of one side cover. A lubricating device that allows the communication of the lubricating passages to be switched is arranged, and the switching lever of the lubricating passage changer is disposed behind the side cover. There is no need to open it, and the lubrication operation can be easily performed, and there is no need to lean out of the driving unit to perform the lubrication operation, and the lubrication operation can be performed in a comfortable posture, improving the operability of the lubrication device. be able to.

Further, the length of the lubricating passage from the lubricating pump provided in the lubricating device to various devices can be shortened, the pressure loss in the lubricating passage can be reduced, and the lubricating pump can be downsized. The size of the lubrication device can be reduced.

(2) According to the second aspect of the present invention, the lubrication pump provided in the lubrication device is configured to be driven by the lubrication switch, and the lubrication switch is disposed near the switching lever. The lubrication path can be switched by rotating the switching lever, and a series of lubrication operations of driving the lubrication pump by pressing the lubrication switch can be smoothly performed.

Then, at the time of the lubrication operation, the operation of the lubrication pump and the like can be confirmed, and the lubrication operation to various devices can be reliably performed.

[Brief description of the drawings]

FIG. 1 is a side view of a combine provided with an oiling device according to the present invention.

FIG. 2 is a front view of the same.

FIG. 3 is a side view of the reaper.

FIG. 4 is a front view of the same.

FIG. 5 is a right side view of the lubrication device according to the present invention.

FIG. 6 is a front view of the same.

FIG. 7 is a front view of a side cover.

FIG. 8 is a cutaway front view of the same part.

FIG. 9 is an explanatory view showing a lubrication path.

FIG. 10 is a side view of the side divider.

FIG. 11 is a plan view of the same.

[Explanation of symbols]

 A Combine 3 Cutting unit 50 Lubricating device 10 Grain raising device 51 Lubrication path switch 52 Switching lever 53 Lubrication switch 54 Oil storage tank 55 Lubrication pump 57a, 57b, 57c, 57d Connecting pipe 58 Operation panel 62 Side cover

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Seizou Inagaki 1-32 Chaya-cho, Kita-ku, Osaka-shi Inside Yanmar Agricultural Machinery Co., Ltd. No. 32 Inside Yanmar Agricultural Machinery Co., Ltd.

Claims (2)

[Claims] 1. A lubrication system in which a side cover is rotatably mounted on the left and right sides of a reaper, and a lubrication path which is connected to various devices by a lubrication path changer is freely switchable inside a side cover on one side. A lubrication device for a combine, wherein a device is disposed, and a switching lever of the lubrication path switching device is disposed behind the side cover. 2. The lubrication pump according to claim 1, wherein the lubrication pump is provided to be driven by a lubrication switch, and the lubrication switch is disposed near the switching lever. Combine lubrication device.