JPH1198915A - Dust protective device for combine harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide dust protective device for a combine harvester, which does not obstruct the front visibility. SOLUTION: This dust protective device is for a combine harvester which is equipped with a grain culm lifter 4 slanted back and forth in the front of the vehicle carrying a threshing device 3, a reaping device at a low position in the rear of the lifter 4, and a grain culm carrier to carry the grain culms from the vicinity of the reaping device to the threshing device 3, wherein the dust protective device is provided with a reaping device side cover 7 extending from the side of the grain culm lifter 4 to the side of the grain culm carrier, a dust protective cover 8 covering the grain culm carrier between the grain culm lifter 4 and threshing device 3, the protective cover 8 comprising a front cover 8a fixed at a given position on the front side and a rear cover 8b sliding forward to overlap the upper side of the front cover 8a, and a passage 10, in which the side wall 9 of the rear cover 8b moves, between the side edge A along the front cover 8a and the inside edge B of the side cover 7.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dustproof device for a combine and belongs to the technical field of agricultural machinery.

[0002]

2. Description of the Related Art Conventionally, a combine has been provided with a cereal culm conveying device for conveying and supplying cereal culm from a front mowing device to a threshing device on a vehicle body. In order to prevent debris and dust from scattering to the outside, the conveying passage for the grain stalk is covered with a dustproof cover from above. The dust cover is configured to be opened by a sliding operation when the grain stalk is wound around the conveying device during the operation or in order to easily perform maintenance after the operation.

[0003]

The conventional combine is
As described above, a dustproof cover is provided to cover the grain stalk transport device from above. It is configured to be exposed. In this case, the dust cover is usually divided into two parts, and the front cover is fixed to the front culm raising device, and the rear cover is slid back and forth to a position where it is superimposed on the front cover. The rear part can be opened by sliding.

[0004] With this configuration, the combine is convenient for the work of removing and entangled grain culm with the grain culm supply port portion of the grain culm conveying device and the threshing device being opened, but the rear cover is not suitable. Because the front side side mowing side cover and the front side cover are integrated, and there is no moving path, forward sliding is lacking in smoothness, and one side overlaps the mowing side cover while riding on it. High visibility, obstructing the front view and lacking safety.

[0005]

The present invention takes the following technical means in order to solve the above-mentioned problems. That is, in front of a threshing device 3 mounted on the traveling vehicle body 1 with the cereal culm supply port 2 facing forward, a cereal stalk raising device 4 inclined forward and rearward from the front is provided, and a low position behind the device. In the combine, in which a culm conveying device 6 is provided from the vicinity of the reaping device 5 toward the cereal culm supply port 2 of the threshing device 3, on the side of the cereal stem raising device 4. A cutting side cover 7 is arranged and provided between the side position of the grain culm conveying device 6 from the side position and the side of the cutting device 5, and is provided between the grain stem raising device 4 and the threshing device 3. A dust cover 8 is provided to cover the grain conveying device 6 from above. The dust cover 8 overlaps the front cover 8a fixed at a fixed position and the upper side of the front cover 8a. Rear cover 8 slidably forward to the position
b, a moving passage 10 through which a side wall 9 of the rear cover 8b can pass is provided between a side edge A of the front cover 8a in the front-rear direction and an inner edge B of the cutting side cover 7b. A dustproof device for the formed combine was used.

[0006]

Embodiments of the present invention will be specifically described below with reference to the drawings. First, the configuration will be described. The running body 1 is made of rubber molded from rubber.
The vehicle is provided with a rail 11 so that it can travel without sinking not only in a dry field but also in a wet field. The threshing apparatus 3 has a feed chain 12, a handling chamber having a handling cylinder mounted on the upper side, a sorting chamber provided below, and a grain culm supply port 2 continuous with the handling chamber on the front side. And mounted on the traveling vehicle body 1.

The reaping pre-processing device 13 is pivotally mounted on a support 14 provided at the front of the traveling vehicle body 1, and includes a reaping main frame 15 extending downward at the front. A mowing machine frame 16 is provided with a weeding rod 17, a grain stalk raising device 4, a mowing device 5, and a grain stalk transporting device 6 from the front. It is constructed so that it can be freely moved up and down.

The grain stem raising device 4 tilts the starting end downward and the terminal end upward so as to pivot upward while protruding the raising lug 19 to the side, It is constructed by arranging multiple vessels along the culm row. In this case, the plurality of grain stalk raising devices 4 are connected to a transmission support pipe 22 hanging from a transmission case 21 at an upper portion of the raising support frame 20 having an upper portion extending upward from the reaper frame 16. It is connected and supported so that it can be transmitted, and its lower part is also connected to the reaper frame 16. The transmission 23 is provided between the upper part of the raising support frame 20 and the transmission case 21 as shown in FIGS.
The raising speed of the raising lug 19 is changed.

Next, as shown in FIG. 6, the cereal culm transporting device 6 is provided with a filter for the threshing device 3 from a position near the upper side of the mowing device 5 provided at a low position behind the cereal culm raising device 4. Provided between the start ends of the chains 12, but with the scraping device 6a at the start end, the stock transfer chain 6b and the spike transfer lug 6c at the rear, and the handle at the rear position. The depth adjusting chain 6d and the supply device 6e are provided in this order, and the culm is successively transferred while being inherited, transferred to the feed chain 12, and supplied to the threshing device 3.

The cutting side cover 7 is a cover for covering the side of the cutting pre-processing device 13 as shown by the phantom line in FIG. The front edge is arranged along the front side (side view) of the cereal stem raising device 4 located on the side of the body, the bottom edge is arranged along the lower edge of the lower reaper frame 16, and the rear The edge is raised and extended to the rear position of the support frame 20, and the upper edge is provided so as to cover the upper side of the transmission 23 from the side.

Next, the dust cover 8 covers the above-described grain culm conveying device 6 from above from the upper position of the grain stalk raising device 4 to the grain culm supply port 2 of the threshing device 3. , A front cover 8a and a rear cover 8b. Therefore, the related members for supporting the dust cover 8 will be described in advance.
The front end is connected and fixed to the transmission case 21 (upper position of the cereal stem raising device 4) and extended rearward as shown in FIGS. The reaper frame 16 is connected to the base of the worm 15 to strongly reinforce it. The left support rod 26 is constructed such that the front part is raised and connected to the middle part of the support frame 20, extended upward and rearward, and the holding rod 27 of the supply device 6e is attached to the rear part. The horizontal connecting rod 28 is shaped like a triangle above the middle portion of the grain culm conveying device 6, and the right end is fixedly connected to the front and rear connecting frame 25, and the left end is the middle end of the left supporting rod 26. And the reaper frame 16 is reinforced as a whole. Note that the left and right in this specification are based on the state of the traveling vehicle body 1 as viewed in the forward direction.

Next, as shown in FIG. 7, the front cover 8a has its front edge raised above the transmission case 21 which is arranged laterally above the grain stem raising device 4. At the front edge portion, the left side extends laterally to a position covering the transmission 23, and the right side extends rightward to a position covering the front-rear connecting frame 25. , And further extended rearward along the upper part of the grain stalk transport device 6. And
The front cover 8a has its rear portion connected to and supported by the horizontal connecting rod 28 described above.

Next, the rear cover 8b is provided such that the front end thereof is positioned above the rear portion of the front cover 8a, and the rear end is extended to above the grain culm supply port 2 of the threshing apparatus 3, and the rear cover 8b is provided. The stalk conveying device 6 is formed from a side wall 9 hanging laterally and covered from above. And the rear cover 8b
The guide rails 30 and 30 'fixed to the left and right inner sides along the front-rear direction are symmetrically protruded from the horizontal connecting rod 28 to both left and right outer sides, and are mounted on a shaft. La 31,
31 'is fitted and supported, and furthermore, a rotating arm 32 is attached to the rear part so as to be freely slidable back and forth.

When the guide rails 30 and 30 'are formed in a shape in which the front part and the rear part are raised and the position closer to the rear part is slightly lowered from the middle part as shown in FIG. The rear cover 8b can slide along the upper surface of the front cover 8a. And a base member 32a extending upward by pivotally connecting the base with the connecting portion of the front-rear connecting frame 25 on the support base 14, and extending upward.
It is composed of two members, an upper supporting member 32c, which is detachably connected via a connecting portion 32b formed on an upper portion of the base member 32a, and supports the rear cover 8b slidably back and forth. The rotating arm 32 is in a position where it stands by behind (the position where the rear cover 8b is closed) and a position where it is rotated forward (in a position where the rear cover 8b is moved forward and opened). In any of the positions, the connecting portion 32b is located at a position higher than the height position of the spike carrier case 33 accommodating the grain stalk supply port 2 and the spike carrier lug 6c.

Therefore, the rear cover 8b is located in the space, and can be attached and detached relatively easily. The rear cover 8b is connected to the front clamp 34 provided on the horizontal connecting rod 28 and the rear clamp 34 'provided on the threshing device 3 side by the rotation arm 32.
The front locking device 35 and the rear locking device 35 'provided on the upper part of the device can be freely engaged and disengaged to lock the open position and the closed position.

The rear cover 8b is shown in FIGS.
As shown in (1), the versatility can be enhanced by preparing a spacer 36 of an appropriate width along the gap between the rear edge and the front edge of the threshing device 3 and freely attaching and detaching it. For example, the dust-proof cover 8 is manufactured for a three-row type, and when assembled to a larger combine (four or five-row type), the gap can be closed by a spacer 36. Significant cost reduction can be achieved as a whole.

The dustproof cover 8 has two types, a non-cabin type combiner shown in FIG. 10 and a cabin type combiner shown in FIG. That is, one of the dustproof covers 8 (FIG. 10) has a raised portion 40 formed at a central position, and a headlight 41 is attached to the front of the raised portion 40 to illuminate the front. As shown in FIG. 4, it is dedicated to a combine without a cabin. The cabin-type dust cover 8 of the other type (FIG. 11) has a configuration in which the raised shape corresponding to the raised portion 40 is eliminated and the flat portion 42 is not provided with the headlight 41, as shown in FIG. 43 is dedicated to the combine. In this case, the dust cover 8 is
Since the headlamp 44 is mounted on the upper part of the front of the front 3, the headlamp 41 becomes unnecessary.

As shown in FIG. 10, the raised portion 40 is provided to be shifted to the left in the forward direction and to the flat surface 4 to the right.
5 is formed to secure a forward view from the cockpit 46. In addition, when a transparent material is used for the flat surface 45, it is convenient to see through the transparent material to check the transport state of the grain stem and the lower front portion. Next, moving passage 1
0, as shown in FIG. 1, a space is provided between a side edge A of the front cover 8a along the front-rear direction and an inner edge B of the cutting side cover 7 to form the rear cover. 8b is formed so that the side wall 9 can pass freely. Accordingly, the rear cover 8b is supported by the rear turning arm 32, and the guide rails 30, 30 'are further connected to the rollers 31, 3
While being supported and guided by 1 ', it can slide while overlapping forward along the upper side of the front cover 8b. Note that 47
Indicates a handle.

The above-described transmission 23 is the same as that shown in FIG.
As shown in FIG. 5, an operation lot 50 is pivotally connected to an upper portion of an operation lever 49 having an intermediate portion pivotally attached to the surface of a case 48, and a shifter (not shown) is connected to a lower portion. Then, the operation lot 50 extends rightward through the inside of the front cover 8a along the raising cover 24, and is operably supported by a support member 51 provided on the front and rear connection frame 25. ing. The grip portion 52 is attached by bending the outer portion slightly upward from the support position of the operation lot 50 described above, reaching out from the cockpit 46 and grasping, raising the raising lug 19 of the grain stem raising device 4. The speed can be changed.

Next, the operation will be described. First,
The dust cover 8 closes the rear cover 8b to the position shown by the solid line in FIGS. 1 and 2 and engages and locks the rear locking member 35 'with the rear clamp 34'. Transfer device 6
Prepare so that the dustproof function can be exhibited by covering the. Then, the engine is started and the traveling vehicle body 1 is moved forward while being transmitted to the rotating parts of the body, and the work is started.

Then, the culm in the field is replaced with a weeding rod 17 at the front.
After receiving the weeding action from the lower part by the action of the raising lug 19 which is raised upward and continues to rotate, it is sequentially raised from the lying down state to the upright state, and the base of the stock is moved to the scraping device 6a. Then, it is scraped to the reaper 5 side. And
The cereal culm is cut off by the cutting device 5, the stock is held by the stock transfer chain 6b, and the spike is engaged with the spike transfer lug 6c to be sequentially conveyed upward. The grain culm is passed from the handling depth adjusting chain 6d to the feeding device 6e, and is passed to the starting end of the feed chain 12, and the threshing device 3
Is supplied to the grain stalk supply port 2. In this way, the grain culm supplied to the threshing device is subjected to threshing by inserting the head portion into the threshing device 3 while being transported while being clamped by the feed chain 12, and the selected grains are subjected to threshing. It is transported to the Glen tank and stored.

During such a series of cutting and threshing operations, the dustproof cover 8 is moved from the upper position of the grain stalk raising device 4 to the scraping device 6a, the stock carrying chain 6b and the spike carrying lug 6c behind it. Furthermore, since the handling depth adjusting chain 6d and the supply device 6e at the rear position are covered, dust generated due to the conveying action of the grain stalk is prevented from being directly scattered to the outside, and the outside air is dusted as much as possible. Work can be performed while preventing dust from being contaminated.

As shown in FIG. 10, the dust cover 8 has the raised portion 40 shifted to the left in the traveling direction and a flat surface 45 formed on the right side thereof. This is advantageous in that the work can be performed while monitoring the weeding state and the raising state. If the flat surface 45 is configured using a transparent material,
Because it is possible to see through, it is more convenient to check the transportation state of the grain stem and the lower front part.

Further, according to the embodiment of the present invention, as shown in FIGS. 1 and 2, when a gap is formed between the rear edge of the rear cover 8b and the front edge of the threshing device 3 (for example, Since a product for a three-row type is manufactured and then converted to a four- or five-row type and assembled, etc., and a spacer 36 of an appropriate width is prepared and crushed, a dustproof cover is used. 8 versatility,
Significant cost reduction was achieved. Since the dust cover 8 uses the front and rear connecting frames 25 and the horizontal connecting rods 28 constituting the reaper frame 16 without separately configuring the supporting members, the dustproof cover 8 can be manufactured at low cost. ,
Strong and stable supported, can slide smoothly.

As shown in the embodiment, the rear cover 8b connects the connecting portion 32b of the rotating arm 32 to the height of the spike feeding case 33 accommodating the grain stalk feeding port 2 and the spike feeding lug 6c. Since it is configured at a position where the space portion is higher than the above, there is a feature that the attaching / detaching operation can be performed relatively easily at any position. The rear cover 8b is provided with the front and rear locking members 3.
A rotating arm 32 having 5, 35 ';
5 and the relative position of the horizontal connecting rod 28 having the front and rear clamps 34 and 34 'does not change even when the cutting pre-processing device 13 is raised and lowered, so that the lock is hardly accidentally released. In addition, it has a feature that the locked state can always be maintained safely.

Then, as shown in the embodiment, the grain stem raising device 4 relatively easily operates the grip portion 52 by reaching out from the cockpit 46 to operate the operation lot 50 and the operating lever 49.
The transmission 23 can be shifted through a shifter (not shown) in accordance with the degree of lodging of the culm to perform an effective operation, and the operation lot 50 can be raised and covered.
Along the upper side of 24, extending rightward through the inside of the front cover 8a, has a practical effect that does not hinder the cereal stalk passing below and does not catch straw chips etc. It became.

Further, in the case of the embodiment, as shown in FIG. 7, the dust cover 8 is a transmission cable which is disposed laterally above the grain stem raising device 4 at the front edge of the front cover 8a. −
The left side of the front edge portion is laterally extended to a position covering the transmission 23, and the right side is the front / rear connection frame 2.
5 is extended to the right to the position covering the wire 5. Thus, while improving the aesthetic appearance of the design, it is possible to cover the harness wired at this position and protect it from rainwater and the like. Having.

Next, the dust cover 8 is used to maintain the rear cover 8b when a series of maintenance of the culm conveying device 6 is performed.
The handle 47 is moved from the position indicated by the solid line in FIGS. 1 and 2 to the front position indicated by the virtual line. Then, in the rear cover 8b, the rotating arm 32 is rotated forward with the lower part as a fulcrum, and the left and right guide rails 30, 30 'are guided by the rollers 31, 31' on both sides. While moving, the threshing device 3 is sequentially opened from the cereal stem supply port 2 side. At this time, the rear cover 8b has a moving path 10 formed by the left side wall 9 between the side edge a along the front-rear direction of the front cover 8a and the inner edge b of the cutting side cover 7 in the front direction. Then, it moves smoothly and reaches the position where it overlaps the upper side of the front cover 8a, so that the grain culm conveying device 6 can be opened.

When the rear cover 8b of the dustproof cover 8 is opened by operating as described above, cleaning and maintenance of the grain culm conveying device 6 and its vicinity can be performed easily.

[0030]

According to the present invention, a grain stem raising device 4 is provided on the traveling vehicle body 1 which is inclined forward and backward from the front in front of a threshing device 3 mounted with the grain stem supply port 2 on the front side. A harvester 5 is provided at a lower position behind the harvester 5 and a grain stalk conveying device 6 is provided from the vicinity of the harvester 5 toward the grain stalk supply port 2 of the threshing device 3. Cutting side cover between the side position of the culm raising device 4 and the side position of the grain culm conveying device 6 via the side of the cutting device 5
7, a dust cover 8 is provided between the grain stalk raising device 4 and the threshing device 3 to cover the grain stalk transport device 6 from above, and the dust cover 8 is fixed. A front cover 8a fixed in position and a rear cover 8b slidably provided forward to a position overlapping with the front cover 8a. Since the moving passage 10 through which the side wall 9 of the rear cover 8b can pass is formed between the side edge A along the front-rear direction and the inner edge B of the cutting side cover 7, the dustproof cover is During threshing work, the dust escaping from the grain stalk transport passage and the grain stalk supply port is prevented from scattering to the outside. It has a feature that it can be opened by sliding forward through the inside. That. Furthermore, since the rear cover does not ride on the cutting side cover when it is opened,
This has the effect of ensuring traveling safety without obstructing the front view.

[Brief description of the drawings]

FIG. 1 is a plan view, partially broken away, of an embodiment of the present invention.

FIG. 2 is an operation side view of the embodiment of the present invention.

FIG. 3 is a front view of the embodiment of the present invention.

FIG. 4 is a side view of the embodiment of the present invention.

FIG. 5 is a side view with a cabin according to an embodiment of the present invention.

FIG. 6 is a side view of the embodiment of the present invention.

FIG. 7 is a front view of the embodiment of the present invention, which is broken.

FIG. 8 is a cut rear view of the embodiment of the present invention.

FIG. 9 is a side view of the embodiment of the present invention.

FIG. 10 is a perspective view of the embodiment of the present invention.

FIG. 11 is a perspective view of the embodiment of the present invention.

FIG. 12 is a front view of the embodiment of the present invention, which is broken.

FIG. 13 is a sectional view of an embodiment of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Running body 2 Grain stalk supply port 3
Threshing device 4 Grain stem raising device 5 Harvesting device 6
Grain stalk transport device 7 Cutting side cover 8 Dustproof cover 8
a front cover 8b rear cover 9 side wall 1
0 Moving path a Side edge of front cover b Inner edge of cutting side cover.

Claims (1)

[Claims] 1. A grain stem raising device 4 which is inclined forward and rearward from a front portion is provided in front of a threshing device 3 mounted on a traveling vehicle body 1 with a grain stem supply port 2 facing forward. In a combine in which a harvesting device 5 is provided at a lower position of the harvesting device 5 and a grain stalk transport device 6 is provided from the vicinity of the harvesting device 5 toward the grain stalk supply port 2 of the threshing device 3. A cutting side cover 7 is arranged and provided between the side position of the culm conveying device 6 and the side position of the cereal culm conveying device 6 through the side of the reaping device 5, and is provided between the cereal stem raising device 4 and the threshing device 3. In between, a dust cover 8 is provided to cover the grain culm transport device 6 from above. The dust cover 8 includes a front cover 8a fixed at a fixed position, and an upper side of the front cover 8a. Rear cover 8 slidably forward to the position where it overlaps
b, a moving passage 10 through which a side wall 9 of the rear cover 8b can pass is provided between a side edge A of the front cover 8a in the front-rear direction and an inner edge B of the cutting side cover 7b. Combine dustproofing device formed.