JPH05284842A - Dust-proof apparatus for combine - Google Patents

Abstract

PURPOSE:To facilitate the maintenance of a combine by fixing a front-side upper cover above ear-side and root-side hand-over transfer apparatuses and placing a rear-side upper cover in a state freely movable in vertical direction and machine direction. CONSTITUTION:A dust-proofing cover 60 is placed above an ear-side hand-over transfer apparatus 17 and a root-side hand-over transfer apparatus 18. The front-side upper cover 61 of the dust-proofing cover is fixed and the rear-side upper cover 62 is placed in a state freely movable in vertical direction and machine direction.

Description

Detailed Description of the Invention

[0001]

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

[0002]

2. Description of the Related Art In the publicly known Japanese Utility Model Publication No. 62-27084, a threshing device provided on the upper part of a traveling device, a grass body, a grain culm raising device, a scraping device and a cutting device provided in front of the traveling device. In a combine consisting of a mowing unit having a blade and the like, and a tip-side transfer device and a stock-source-side transfer device provided between the mowing unit and the threshing device, a rear part is provided at a position above the transfer device. A device provided with a dust-proof cover that is vertically movable is described.

[0003]

The dustproof cover of the above-mentioned known example has a rear portion which can be moved up and down. However, since it has a single-piece construction, it moves up and down a lot, so that it is not so easy to handle and the rear side is not easy to handle. There was a problem that the upright part interferes with the vertical movement to perform maintenance and the insertion of hand cut culms.
To prevent the standing part from becoming large, the dust-proof cover should be
The number of stalks should be reduced to one, and in order to put the hand-crop culms, it is better to move them forward and backward rather than up and down. For maintenance, it is easier to move the front side up and down than the rear side.

[0004]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a dustproof cover which is easy to handle.

[0005]

Therefore, according to the present invention, a threshing device 3 provided on the upper part of the traveling device 2, a grass body 6, a grain culm raising device 7 and a scraping device provided in front of the traveling device 2. 8 and a cutting section 9 having a cutting blade 9 and the like, and a combiner comprising a cutting edge side transfer apparatus 18 and a stock side transfer apparatus 19 provided between the cutting section 5 and the threshing apparatus 3, Above the positions 18 and 19, a front upper cover 61 fixed to the reaping unit 5 side, and between the front upper cover 61 and the threshing device 3, the front side is vertically movable and is generally This is a combine dustproof device provided with a dustproof cover 60 composed of a rear upper cover 62 that is movable back and forth.

[0006]

An embodiment of the present invention will be described with reference to the drawings.
1 is a machine frame, 2 is a traveling device provided at a lower position of the machine frame 1, 3 is a threshing device provided at an upper position of the machine frame 1, 4 is a control unit provided on one front side of the threshing device 3,
Reference numeral 5 denotes a mowing unit provided in front of the threshing device 3 and the control unit 4. The cutting unit 5 includes a grass body 6 provided at the forefront position, a grain culm raising device 7 provided behind the hay body 6, and a scraping device 8 provided behind the grain culm raising device 7.
A cutting blade 9 provided below the scraping device 8, a tip side carrier device 10 and a stocker side carrier device 1 for carrying the cut grain culm.
1 and the like, and each component of the mowing part 5 such as the grass body 6 is attached to the mowing part frame 12 (FIGS. 1 and 13).

Reference numeral 13 is a left-right rear frame which constitutes a part of the reaping section frame 12, and a lower portion of the support pipe 14 is attached to a substantially central portion thereof. Inside the support pipe 14, a transmission shaft for transmitting power to the mowing section 5 is mounted (not shown), and a mowing section input gear case 15 in the left-right direction is provided above the support pipe 14, and the mowing section input gear case 1 is provided.
By attaching and detaching 5 to a support base 16 fixed to the machine frame 1 side so as to be rotatable and detachable, the reaper 5 is vertically rotated around the reaper input gear case 15.

At one end of the reaping section input gear case 15, a tip side transfer device 18 and a stocker side transfer device 19 are provided. The tip-side transfer device 18 and the stock-side transfer device 19 supply the grain culms transferred by the tip-side transfer device 10 and the stock-source side transfer device 11 of the cutting unit 5 to the threshing chamber of the threshing device 3. Although not shown in detail, the base side is rotatably attached to the reaping section input gear case 15 so that each tip side moves up and down, and the handling depth can be adjusted. Is configured as follows. 20 is the input gear case 15 for the reaper
Locking device for fixing the rotatably to the support base 16 only by rotation, 2
Reference numeral 2 denotes a safety lock device that operates by a cylinder 23, and only the lock device 20 may be provided, and the configuration is arbitrary. Reference numeral 24 denotes a reaper section vertical cylinder which is provided between the support pipe 14 and the machine body frame 1 and which moves the reaper section 5 up and down. The reaper section vertical cylinder 24 has the tip of the rod 25 of the reaper section vertical cylinder 24. It is pivotally mounted on the support pipe 14, and the base of the cylinder portion 26 of the mowing section upper and lower cylinder 24 is pivotally mounted on the front and rear intermediate portion of the rotating member 27 having a U-shaped cross section. A front end portion of the rotating member 27 is attached to a stay 28 fixed to the machine body frame 1 by a shaft 29. Reference numeral 30 denotes a lock piece that blocks the rotation of the rotation member 27.

A suspension frame 40 is provided between the rear side frame 13 and the front side portion of the machine body frame 1. The suspension frame 40 has a base portion of a pair of left and right rear rotation arms 41, 41 pivotally attached to the machine body frame 1, and a rear connecting rod 42 is provided between the left and right rear rotation arms 41, 41.
Fix both ends of. The bases of the front rotating arms 44, 44 are rotatably attached to the front ends of the rear rotating arms 41, 41 by the horizontal shafts 43, 43, and the front ends of the front rotating arms 44, 44 are connected to the rear frame. The stay 45 provided on the shaft 13 and the shaft 46
To pivot. Reference numeral 47 denotes a front connecting rod that connects the front rotating arm 44 and the front rotating arm 44.

A support device 48 is provided between the rear frame 13 and the machine body frame 1. The support device 48 fixes the suspension frame 40 when the cutting unit 5 is moved to a constant height position, and in this state, removes the cutting unit input gear case 15 from the support base 16,
Is tilted forward around the shaft 46 on the front side of the suspension frame 40 to form an open space on the rear side of the reaping section 5 so that maintenance can be performed easily. In the support device 48, a pair of rear side support arms 49, 49 are rotatably attached to the machine body frame 1 side by a shaft 50. Rear engaging portions 51, 51 that engage with the rear connecting rod 42 from above are formed on the pivoting end sides of the rear supporting arms 49, 49, respectively. The rear side engaging portions 51, 51 are formed in a U shape when the rear side supporting arm 49 is in an upright state, and the rear side plate is formed high to form a guide surface. The rear side support arms 49, 49 below the rear side engaging portions 51, 51 have a shaft cylinder 5 parallel to the shaft 50.
The outer peripheral surfaces of 2 and 52 are fixed, and both ends of the horizontal shaft 53 are fixed to the left and right shaft cylinders 52. A shaft cylinder 54 is rotatably attached to the outer periphery of the horizontal shaft 53 between the shaft cylinder 52 and the shaft cylinder 52. Bases of a pair of front support arms 55, 55 in a parallel state are fixed to the outer periphery of the shaft cylinder 54 with a predetermined space left and right. The front side support arms 55, 55 have front ends which engage with the front side connecting rod 47 from below.
6 and 56 are formed. The front engaging portions 56, 56 are formed in a lateral U-shape so that the front supporting arms 55, 55 are opened when the front supporting arms 55, 55 are in the retracted state.
A guide surface is formed on the front end side of 56 so as to be in sliding contact with the front connecting rod 47.

A gas spring 57 for constantly urging the front support arm 55 to rotate forward is attached to the one front support arm 55, and the support device 48 is operated to the other front support arm 55. Device wire 58
Install. Reference numeral 59 is a projection that abuts the rear side support arm 49 when the rear side support arm 49 rotates rearward, and regulates the rearward rotation.

However, the relationship between the rear connecting rod 42 and the front connecting rod 47 of the suspension frame 40 and the rear supporting arm 49 and the front supporting arm 55 of the supporting device 48 is determined by the cutting unit vertical cylinder 24. Is raised to a preset non-working position, the rear side connecting arm 42 is contacted with the rear side engaging portion 51 of the rear side supporting arm 49 from above, and the front side connecting rod 47 is connected to the front side supporting arm 55. When the cutting portion 5 is moved downward by hitting the front engaging portion 56 from below, the suspension frame 40 has the rear connecting rod 42, the horizontal shaft 43, and the front connecting rod 47 formed into a ▽ shape by the supporting device 48. And configure each to be fixed.

Therefore, a dustproof cover 60 is provided above the tip-side transfer device 18 and the stocker-side transfer device 19. The dustproof cover 60 is divided into a front upper cover 61, a rear upper cover 62, and a front and rear part by a transparent member. Reference numeral 63 denotes a front frame of the front upper cover 61, which is formed in an inverted U shape in a plan view, and a front end portion of the front frame is detachably attachable to a rear surface of an upper frame 64 that connects upper portions of the raising devices 7 of the reaping section 5. Fix it. Reference numeral 65 is a roller provided at the rear end of the front frame 63. Reference numeral 66 denotes a rear frame of the rear upper cover 62, which has a pair of left and right front and rear guide rods 67 each having an inverted L-shaped cross section and provided with a shaft cylinder 6 at each rear portion.
8 is fixed, and both ends of the horizontal shaft 69 are fixed between the shaft cylinders 68,
The middle shaft cylinder 70 is fitted on the outer periphery of the horizontal shaft 69 between the respective shaft cylinders 68 to form a U-shape in plan view as a whole. The rear frame 66 attaches the front end of each front and rear guide rod 67 to each roller 65.
It is configured to be placed on and supported by the support members 71, 71 which are fixed to the threshing device 3 side and which project forward and which are fixed to the threshing device 3. An upper portion of a support arm 72 is fixed to the outer periphery of the center rod 70, and a lower portion of the support arm 72 is pivotally attached to the body side by a shaft 76, and supports the center rod 70 when it is separated from the support member 71. 73 is the lock piece 30
The wire 74 is locked between the two, 74 is a wire for operating the lock device 20, 75 is an operating lever for operating the wire 74, and 83 is a handle.

14 and 15 show the dustproof cover 6
It is a second embodiment of the frame structure of No. 0, and a clip-shaped engaging portion 77 near the roller 65 of the front frame 63.
And an engaging shaft 78 with which the engaging portion 77 engages is provided at an intermediate portion of the front and rear guide rod 67 of the rear frame 66.

16 and 17 show the threshing device 3, wherein 79 is a handling cylinder, 80 is an upper cover, 81 is a freely openable / closable cutting blade, and 82 is a locking device for the cutting blade 81.

[0016]

[Operation] Next, the operation will be described. (During normal work) Normally, the mowing section input gear case 15 at the upper part of the support pipe 14 is placed on the support stand 16, and the mowing section input gear case 15 and the support stand 16 are locked by the lock device 20 to remove the mowing section. The rotating member 27 to which the upper and lower cylinders 24 are attached is also fixed to the machine body frame 1 by the lock piece 30, the supporting device 48 is also stored so that the rear support arms 49, 49 are in the upright state, and the dust cover 60 is The tip of the front and rear guide rod 67 is placed on the roller 65 of the front frame 63, and the front side upper cover 61 and the rear upper cover 62 are spread in the front and rear direction, so that the tip side takeover transfer device 18 and the stock source side takeover transfer device 19 In a state of being located above and surrounding these, the machine body is moved forward to mow the grain culms in the field by the mowing unit 5, and the ears side takeover transfer device 18 and the stock source side takeover transfer device 19 cut the grains. Takeover supply device 17, culms feeder 17 performs a threshing work supplied to the threshing chamber. In this case, since the dustproof cover 60 surrounds the tips of the tip-side transfer device 18 and the stocker-side transfer device 19, dust on the operator of the control unit 4 is prevented.

Although the mowing section 5 expands and contracts the rod 25 of the mowing section vertical cylinder 24 depending on the state of the field, when the mowing section 5 is moved upward, the support pipe 1 is moved.
Since 4 rotates upward around the reaper section input gear case 15, the front upper cover 61 of the dust cover 60 moves rearward, and the roller 65 at the rear end of the front frame 63 of the front upper cover 61 moves to the rear upper section. Rear frame 66 of cover 62
The front-rear guide rod 67 moves backward while pushing the front-rear guide rod 67 upward, and the front-rear guide rod 67 rotates upward around the horizontal shaft 69. Therefore,
The rear part of the front side upper cover 61 and the front part of the rear side upper cover 62 surround only the tip-side transfer device 18 and the stocker-side transfer device 19 only with a large overlapping portion. On the contrary, when the rod 25 of the reaper section vertical cylinder 24 is contracted and the reaper section 5 is moved downward, the support pipe 14 rotates downward around the reaper section input gear case 15, and the front upper cover 61 of the dust cover 60 is removed. Move forward, front upper cover 6
The roller 65 at the rear end of the front frame 63 of 1 moves forward,
The front and rear guide rods 6 of the rear frame 66 of the rear upper cover 62
7 is located on the roller 65 that moves forward, and the front-rear guide rod 67 rotates downward about the horizontal shaft 69. Therefore, the rear part of the front upper cover 61 and the front part of the rear upper cover 62 surround the tip-side transfer device 18 and the stock-side transfer device 19 only with a small overlapping portion.

However, when so-called headland grain culms are manually fed to the grain culvert feeder 17, the rear upper cover 6 is used.
When the front end portion of 2 is pulled forward, the front portion of the rear frame 66 of the rear upper cover 62 slides forward on the rollers 65 of the front frame 63 of the front upper cover 61, and the rear frame 6
The rear central rod cylinder 70 of 6 is separated from the support members 71, 71, and the support arm 72 is moved forward while being supported by pivoting forward around the shaft 76, so that the vicinity of the starting end of the grain culm feeder 17 is It is opened and the grain culm feeder 1 is opened from here.
The grain culm is supplied to 7 and threshed by the threshing device 3.

(At the time of maintenance work) When the reaper section vertical cylinder 24 is extended to move the reaper section 5 up to a predetermined height, the reaper section 5 moves upward, and the tip of the rear side rotation arm 41 of the suspension frame 40 moves upward. It rotates and the front side rotation arm 44
Rotates forward about the horizontal shaft 43, and the suspension frame 40 has a rear connecting rod 42, the horizontal shaft 43, and the front connecting rod 47 in a ▽ shape when viewed from the side. When the wire 58 is loosened in this state, the front support arm 55 starts to rotate forward around the horizontal shaft 53 by the gas spring 57. At the same time, the rear support arm 49 of the support device 48 starts to rotate forward by its own weight around the shaft 50, and the rear engaging portion 51 of the rear support arm 49 contacts the rear connecting rod 42 from above. Front support arm 55
The front side engaging portion 56 of the front side abuts from below the front side connecting rod 47. In this state, when the reaper section vertical cylinder 24 is slightly contracted, the reaper section 5 moves slightly downward in an arc shape around the reaper section input gear case 15, so that the rear connecting rod 42 and the front connecting rod 47 are separated. Rear side engaging portion 51 and front side engaging portion 56
The suspension frame 40, which is engaged with each of the above, stops the downward movement of the reaper 5, and is fixed in expansion and contraction by the support device 48.
Supports the reaper 5.

Next, when the rear upper cover 62 of the dust-proof cover 60 in the normal position surrounding the tip side takeover transfer device 18 and the stocker side takeover transfer device 19 is pivoted upward about the horizontal axis 69 and opened. , The front and rear guide rods 6 of the rear frame 66
The wire 73 locked to 7 is pulled to release the lock piece 30 at the base of the mowing section vertical cylinder 24. In this state, the upper portion of the support pipe 14 is attached to the support base 16 and is in a fixed position, and the lower portion of the support pipe 14 has the suspension frame 40 fixed by the support device 48. When the reaper section vertical cylinder 24 is contracted in the fixed state, the reaper section vertical cylinder 24 is reduced.
The cylinder portion 26 relatively approaches the support pipe 14, the cylinder portion 26 pulls the rotating member 27 forward, and the rotating member 27 rotates forward about the shaft 29.

Next, when the operating lever 75 located below the rear upper cover 62 of the opened dustproof cover 60 is operated, the wire 74 is pulled to unlock the lock device 20, and the upper part of the support pipe 14 is cut. Input gear case 15
When the reaper 5 is supported by the suspension frame 40 and the supporting device 48, the reaper 5 is supported by the suspension frame 40 and the support device 48.
Is rotated forward around the shaft 46 at the tip of each front rotation arm 44, and is in a forward tilted state in which the side of the grass body 6 is lowered, as shown by the tentative line in FIG. 13, and the reaper 5 and the thresher 3 A large space is formed between the cutting section 5 and the cutting section 5, and maintenance can be easily performed (the tip-side transfer device 18 and the stock-side transfer device 19 rotate forward together with the cutting-part input gear case 15). At this time, the base of the cylinder part 26 of the mowing section upper and lower cylinder 24 is moved to the front side by the rotation of the rotating member 27.
The tip of the rod 25 of No. 4 can extend forward and can rotate the reaping part 5 forward, and the tip side transfer device 18 and the stocker side transfer device 19 and the rear surface of the cutting part 5 and the threshing device. It is possible to widen the space between the front side of the No. 3 and the front side of the No. 3, and the maintenance can be further facilitated.

It should be noted that when the placing table is positioned below the mowing section 5 at the position indicated by the solid line in FIG. 13 and the mowing section 5 is moved slightly downward, the mowing section 5 is placed on the placing table and the mowing section is shown. By removing the attachment parts of the upper and lower cylinders 24 and the suspension frame 40 and moving the mowing section 5, the mowing section 5 can be easily removed.

(Returning work of the reaper 5) Contrary to the above,
The reaper section vertical cylinder 24 is reduced and the reaper section input gear case 15 at the upper part of the support pipe 14 is placed on the support stand 16, the reaper section input gear case 15 and the support stand 16 are locked by the locking device 20, and , Reaper section vertical cylinder 2
When 4 is extended, the cylinder portion 26 of the mowing section vertical cylinder 24 pushes the intermediate portion of the rotating member 27 rearward, and the rotating member 27 pivots rearward about the shaft 29 and returns to the original position. When the rear upper cover 62 of the dustproof cover 60 is returned to its original position, the wire 73 is loosened and the lock piece 30 is locked to the rotating member 27.

Next, when the wire 58 is pulled, the front support arm 55 rotates to the fuselage side around the horizontal shaft 53 against the gas spring 57, and the rear support arm 49 also moves to the fuselage side around the base. By rotating, the engaging portions 51, 56 of the support arms 49, 55 are disengaged from the rotation loci of the rear connecting rod 42 and the front connecting rod 47 of the suspension frame 40. When the reaper section vertical cylinder 24 is extended in this state, the reaper section 5 moves upward in an arc shape around the reaper section input gear case 15, and the suspension frame 40 as well as the reaper section 5 ascends around the base section. The rear connecting rod 42 and the front connecting rod 47 of 40 are disengaged upward from the rear engaging portion 51 and the front engaging portion 56, respectively. Next, when the wire 58 is further pulled, the front side support arm 55 pushes the rear side support arm 49 rearward through the shaft cylinder 54, and the rear side support arm 49 projects the projection 5
9 is rotated backward until it comes into contact with 9, and is stored in a standing state.
Next, when the reaper section vertical cylinder 24 is contracted, the reaper section 5 moves downward and returns to the original working position.

[0025]

The present invention has a threshing device 3 provided on the upper part of the traveling device 2, a grass body 6, a grain culm raising device 7, a raking device 8 and a cutting blade 9 provided in front of the traveling device 2. Mowing unit 5,
In a combine comprising an ear tip side transfer device 18 and a stocker side transfer device 19 provided between the mowing unit 5 and the threshing device 3, the mowing unit 5 is provided above the transfer devices 18, 19. Dust-proof consisting of a front upper cover 61 fixed to the side and a rear upper cover 62 which is located between the front upper cover 61 and the threshing device 3 and which is vertically movable on the front side and is movable back and forth as a whole. Since it is a combine dustproof device provided with the cover 60, the rear upper cover 62 is easy to handle since it has a two-piece structure.
Since the front side can be moved up and down and the front side can be moved back and forth as a whole, there is an effect that maintenance and the insertion of hand-crop can be easily performed.

[Brief description of drawings]

FIG. 1 is a side view of a mowing unit.

FIG. 2 is a front view of a main part.

FIG. 3 is a side view of a support base.

FIG. 4 is a side view of the mowing upper and lower cylinders.

FIG. 5 is a side view of the mowing upper and lower cylinders.

FIG. 6 is a perspective view of a suspension frame and a supporting device.

FIG. 7 is a perspective view of a frame of the dust cover.

FIG. 8 is a side view of the suspension frame and the supporting device in an operating state.

FIG. 9 is a side view of the same.

FIG. 10 is a side view when the mowing unit is raised.

FIG. 11 is a side view showing a state where the dust cover is moved forward.

FIG. 12 is a side view showing a state in which the dustproof cover is opened.

FIG. 13 is an operation state diagram in which the reaper is tilted forward.

FIG. 14 is a perspective view of a second embodiment of the frame of the dustproof cover.

FIG. 15 is a perspective view of the main part.

FIG. 16 is a perspective view of a threshing device.

FIG. 17 is a sectional view of the same.

[Explanation of symbols]

1 ... Airframe frame, 2 ... Traveling device, 3 ... Threshing device, 4 ...
Control part, 5 ... Mowing part, 6 ... Weeding body, 7 ... Grain culm raising device,
8 ... scraping device, 9 ... cutting blade, 10 ... tip side conveying device, 11
… Stock side transfer device, 12… Mowing section frame, 13… Rear frame, 14… Support pipe, 15… Mowing section input gear case, 16… Support stand, 17… Grain feeder, 18… Tip side transfer device , 19 ... Stock side transfer device, 20 ... Lock device, 22 ... Safety lock device, 23 ... Cylinder, 2
4 ... Mowing section vertical cylinder, 25 ... Rod, 26 ... Cylinder section, 27 ... Rotating member, 28 ... Stay, 29 ... Shaft, 30
... Lock piece, 40 ... Suspension frame, 41 ... Rear rotation arm, 42 ... Rear connection rod, 43 ... Horizontal shaft, 44 ... Front rotation arm, 45 ... Stay, 46 ... Shaft, 47 ... Front connection rod, Support device 48 ... Support device, 49 ... Rear support arm, 50 ...
Shaft, 51 ... Rear side engaging portion, 52 ... Shaft cylinder, 53 ... Horizontal axis, 54
... Shaft cylinder, 55 ... Front support arm, 56 ... Front engagement part, 5
7 ... Gas spring, 58 ... Wire, 59 ... Protrusion, 6
0 ... dustproof cover, 61 ... front upper cover, 62 ... rear upper cover, 63 ... front frame, 64 ... upper frame,
65 ... Roller, 66 ... Rear frame, 67 ... Front / rear guide rod, 68 ... Shaft cylinder, 69 ... Horizontal shaft, 70 ... Middle shaft cylinder, 71 ... Support member, 72 ... Support arm, 73 ... Wire, 74 ... Wire, 75 ... operation lever, 76 ... shaft, 77 ... engaging portion, 78
... engagement shaft, 79 ... handling cylinder, 80 ... upper cover, 81 ... openable and closable cutting blade, 82 ... locking device, 83 ... handle.

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[Procedure amendment]

[Submission date] May 22, 1992

[Procedure Amendment 1]

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[Name of item to be corrected] Figure 3

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 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Masami Osaki Inventor Masami Osaki, No. 1 Hachikura, Tobe, Iyo-gun, Ehime Prefecture

Claims (1)

[Claims] 1. A threshing device 3 provided on the upper part of the traveling device 2.
And a reaper 6 provided in front of the traveling device 2, a grain culm raising device 7, a scraping device 8, a reaper 5 having a cutting blade 9 and the like, and a reaper 5 and the thresher 3 In a combine consisting of the tip-end side transfer device 18 and the stocker side transfer device 19, a front upper cover 61 fixed to the reaper 5 and a front upper part of the combiner 18 and 19 are located above the transfer devices 18. A dustproof device in a combine, which is provided between a cover 61 and the threshing device 3 and is provided with a dustproof cover 60 composed of a rear upper cover 62 whose front side is vertically movable and wholly movable back and forth.