KR20200075743A - Threshing device and combine - Google Patents

Abstract

The present invention relates to a threshing apparatus and a combine harvester. According to the present invention, the combine harvester comprises: a cutting unit; a stalk transfer unit; a threshing device; a threshing transfer device; a guide member; and a gap filling member, wherein the threshing transfer device includes a threshing feed chain and a support frame. According to the present invention, dust can be easily discharged to the outside of a cover.

Description

THRESHING DEVICE AND COMBINE}

The present invention relates to a threshing apparatus.

In addition, the present invention is a threshing device having a sharpening section for threshing the cutting portion of the cutting span, a threshing conveyance section for conveying the cutting span toward the rear, and a threshing device for threshing the grassy side of the cutting span. Regarding a combine with a threshing conveying device that receives a portion of the lower side of the harvesting span conveyed by and transports the cropping grain toward the rear of the threshing apparatus in a state in which the chory side of the harvesting grain is inserted into the room. will be.

Further, the present invention provides a threshing apparatus for threshing the threshing grain, a feed chain provided on the lateral outer side of the threshing apparatus, and feeds the threshing grain to the threshing apparatus, and is located on the outer side of the feed chain and threshing. It relates to a combine with a cover that covers the lateral wall of the device from the lateral outer side.

As a threshing apparatus, a sharp room in which a chopping-side portion of the cutting span is inserted, a rapid movement provided in the feeding chamber and threshing the chory-side portion inserted in the feeding chamber, and in a lateral side of the feeding chamber, a feed hole formed by a lower plate and an upper plate, In some cases, a threshing feed chain is provided that extends along the feed opening in the lateral side of the feeding chamber, and is fitted and conveyed to the rear side of the feeding chamber toward the rear of the feeding chamber.

In this type of threshing apparatus, for example, as disclosed in Patent Document 1, the threshing feed chain side end of the lower plate is extended to the lower side of the threshing feed chain so as to overlap with the threshing feed chain when viewed in a plan view. On the other hand, the threshing feed chain side extends in a higher inclined state, and it is difficult to cause the dust to overflow from the gap between the lower plate and the threshing feed chain.

In addition, in the above-mentioned combine, it is generally provided in front of the entrance of the feeding room, and a guide member is provided to guide the chory side of the cutting span to the entrance. As a combine of this kind, the combine disclosed in patent document 2 is mentioned, for example. In the combine disclosed in Patent Document 2, an inlet bottom plate as a guide member is provided.

Further, as the above-described combine, for example, the combine described in Patent Document 3 is already known. The combine described in Patent Document 3 is provided with a threshing apparatus (threshing apparatus [5]" in the threshing apparatus) for threshing the threshing grains, and a feed provided to the threshing apparatus by sandwiching and conveying the threshing grains to the threshing apparatus. A chain ("Threshing feed chain [13]" in the literature) and a cover located on the outer side of the feed chain and covering the side wall of the threshing apparatus from the outer side are provided.

Japanese Patent Publication No. 2016-195608 Japanese Patent Publication No. 2011-211911 Japanese Patent Publication No. 2018-102153

The steeper the inclination angle of the threshing feed chain side end of the lower plate (hereinafter referred to as the feed chain side end of the lower plate), the easier it is for the dust located on the feed chain side end of the lower plate to flow down into the feed chamber. However, when the conventional technique is employed, if the inclination angle of the feed chain side end of the lower plate is sharp, the feed chain side end of the lower plate is extended at a sharp angle down to the threshing feed chain, so the feed chain side end of the lower plate And the gap between the threshing feed chain widens. That is, the dust is likely to enter the gap between the feed chain side end of the lower end plate and the threshing feed chain, so that the feed chain side end of the lower end plate is prevented from overflowing from the gap between the lower end plate and the threshing feed chain. The effect of extending down the threshing feed chain is weakened.

The present invention is to provide a threshing device capable of effectively preventing the dripping and falling of dust between the lower plate and the threshing feed chain.

In addition, in the above-mentioned combine, due to the fact that the grass-side portion of the cutting span moves along the guide member to the entrance of the feed chamber, in the guide member, dust such as leaf debris or dirt is easily generated from the cutting span. When the dust overflows from the guiding member and falls off, it is easy to deposit or become clogged in the guiding member or the gas portion or device located below the threshing conveying device. When dust is attached to the operation switch, it is likely that the operation switch becomes difficult to operate or the operation switch becomes difficult to operate.

An object of the present invention is to provide a combine that is easy to avoid occurrence of a problem caused by dust generated in a guide member.

In addition, in the combine described in Patent Document 3, there is a problem that dust such as straw chips falls downward from the feed chain and is deposited inside the cover.

In view of the above situation, there is a demand for a combine capable of easily discharging dust to the outside of the cover.

Threshing apparatus according to the present invention,

A feeding chamber in which the cutting-side portion of the cutting span is inserted, a rapid movement provided in the feeding chamber and threshing the cutting-side portion inserted in the feeding chamber, and in the lateral side of the feeding chamber, an opening formed by the lower plate and the upper plate, A threshing feed chain extending in the lateral side of the feed chamber and extending along the feed hole and supporting and conveying the lower portion of the cutting span toward the rear of the feed chamber is provided, and the threshing feed chain side end of the lower plate is flat. In view of, it extends to the lower side of the threshing feed chain so as to overlap with the threshing feed chain, and also extends in an inclined position higher on the threshing feed chain side, and the inclination angle of the end of the lower plate is threshing. The feed chain side is set to be gentler.

According to this configuration, since the inclination angle of the threshing feed chain side portion at the threshing feed chain side end of the lower plate is gentler than the inclination angle of the portion at the thrust side at the threshing feed chain side end of the lower plate, the lower plate The gap between the threshing feed chain side end of the lower plate and the threshing feed chain is narrowed, making it easy to flow the dust located at the part on the supply chamber side at the threshing feed chain side end into the supply chamber, and between the lower plate and the threshing feed chain. It can make it difficult to get into the dust. That is, it is possible to effectively prevent overflow of the dust between the lower plate and the threshing feed chain.

In the present invention, it is suitable if it is provided upwardly from the lower end plate and is provided with a regulating portion that restricts the tilting of the threshing feed chain by contacting the side of the threshing feed chain on the side of the steep chamber side.

When the end of the threshing feed chain side of the lower plate enters below the threshing feed chain, the operating force for tilting the threshing feed chain toward the feeding chamber due to the pull-backed span that is supported by the threshing feed chain being pulled toward the feeding chamber for threshing due to sudden movement. When this occurs, it is easy for the threshing feed chain to incline toward the steep chamber. However, according to the present configuration, when the threshing feed chain is to be tilted, the throttling feed chain is not tilted, or is not very tilted, because the throttling feed chain is regulated by the regulating unit contacting the steep end side of the threshing feed chain. It does not work, so it supports the cutting span clearly.

In the present invention, the regulating portion is suitable if it contacts a pin in the threshing feed chain.

According to this configuration, since the regulating portion contacts the pin corresponding to the core portion of the threshing feed chain, the threshing feed chain is firmly supported by the regulating portion, and the tilting by the regulating portion of the threshing feed chain is effectively regulated.

In this invention, it is suitable if the said regulation part is provided in the position corresponding to the front part of the said inlet.

According to the present structure, the amount of landing on the chopping side portion is large, and the throttling feed chain has a strong operating force in the direction of tilting the threshing feed chain due to threshing of the chopping side, and a regulating portion acts on the threshing feed chain. Therefore, the threshing feed chain is conveyed while the cutting span is firmly supported because it is not tilted or is not very tilted, although the cutting span conveying the clamping support is strongly pulled toward the steep chamber.

In the present invention, the regulating portion is suitable as long as it is interspersed along the cutting span conveying direction at the feed hole.

According to this configuration, the threshing feed chain in which the chopping side part is fitted with the threshing span that is threshing is supported while the threshing feed chain is subjected to an operation force for tilting the threshing feed chain, but the threshing feed chain is interposed in the conveying direction of the threshing span. Since the tilting of the threshing feed chain at the location is regulated by the regulation unit, the threshing feed chain is transported while the cutting span is firmly supported because it is not tilted or not very much, although the cutting span for conveying the fitting is pulled toward the steep chamber. do.

The combine according to the present invention,

A harvesting section for cutting the planting span, a grain transporting section for transporting the cutting span toward the rear, a threshing device having a steep chamber for threshing the grass-side portion of the cutting span, and a harvesting span conveyed by the grain transporting section Threshing conveyance device for receiving the lower side of the threshing section and conveying the threshing grain toward the rear of the threshing apparatus in a state in which the cutting-side portion of the threshing grain is inserted into the feeding chamber, and is provided in front of the entrance of the feeding chamber, and the cutting period A guide member for guiding the chori side portion of the entrance to the inlet, and a gap filling member filling the gap between the guide member and the starting end of the threshing conveying device are provided.

According to this configuration, since the gap filling member can prevent the overflow of dust from the gap between the guiding member and the threshing conveying device, the dust overflows downwardly of the guiding member or the threshing conveying device, and the guiding member or threshing conveyance It is easy to avoid clogging the device below the device.

In the present invention, the threshing conveying device includes a threshing feed chain and a support frame provided below the conveying side portion of the threshing feed chain, and supporting the threshing feed chain, wherein the gap filling member is the guide It is suitable if the gap between the member and the starting end of the support frame is filled.

According to this configuration, since the gap filling member enters the lower side of the threshing feed chain, it is difficult for dust to enter between the gap filling member and the threshing conveying device, and the dust overflows and falls under the guiding member or the threshing conveying device. It is easy to avoid things.

In the present invention, the threshing conveying device includes a threshing feed chain and a support frame provided below the conveying side portion of the threshing feed chain, and supporting the threshing feed chain, wherein the gap filling member is the guide It is suitable if the gap between the member and the threshing feed chain is filled.

According to this configuration, since dust is unlikely to enter between the gap filling member and the threshing feed chain, it is easy to avoid the overflow of dust under the guide member or threshing conveying device.

In the present invention, the threshing conveying device includes a threshing feed chain and a supporting frame provided below the conveying side portion of the threshing feed chain, and supporting the threshing feed chain, wherein the gap filling member is the It is suitable if it has a guide-side member and a frame-side gap-filling portion that extends over the support frame, and a chain-side gap-filling portion that is installed from the upper surface of the frame-side gap-filling portion to the lateral side of the conveying-side portion.

According to this configuration, it is difficult for dust to enter between the chain-side gap filling portion and the threshing feed chain. In addition, since it is difficult for dust to enter between the frame-side gap filling portion and the support frame, it is easier to avoid spilling and dripping dust under the guide member or threshing conveying device.

In the present invention, an auxiliary conveying device is provided above the threshing conveying device, and is provided with an auxiliary conveying device for conveying the lower part of the harvesting span in the grain threshing conveying part to the starting end of the threshing conveying device. A second gap filling is provided so that the end portion of the auxiliary conveying device and the starting end of the threshing conveying device overlap in the front-rear direction, and filling the gap between the end of the auxiliary conveying device and the starting end of the threshing conveying device. It is suitable if a member is provided.

According to this configuration, since the second gap filling member can prevent the overflow of dust from the gap between the auxiliary conveying device and the threshing conveying device, it is easy to avoid the dust overflowing and falling below the guide member.

Another feature of the present invention is a threshing apparatus for threshing a threshing grain, a feed chain provided on the lateral outer side of the threshing apparatus, and feeding and feeding the threshing grains to the threshing apparatus, and transverse to the feed chain. Located on the outside, the combine is provided with a cover that covers the lateral wall of the threshing apparatus from the lateral outer side, and the cover is configured by being divided up and down into an upper cover member and a lower cover member, and viewed from the front, the lateral wall and the In a state located between the covers, a guide member is provided below the feed chain to guide dust from the gap between the bottom of the upper cover member and the top of the lower cover member toward the outside of the cover, and the guide The member extends to the outside of the cover by passing through the gap in a state in which the inner side of the upper cover member extends along the vertical direction.

According to this feature configuration, dust such as straw debris falling downward from the feed chain is guided to the outside of the cover through the gap between the lower end of the upper cover member and the upper end of the lower cover member by the guide member. Thereby, dust can be easily discharged to the outside of the cover.

Moreover, in this invention, it is suitable if the lower end part of the said guide member extends to the height position lower than the upper end of the said lower cover member.

According to this characteristic configuration, dust is guided by the lower end of the guide member to the height position lower than the upper end of the lower cover member from the outside of the cover. Thereby, dust can be reliably discharged to the outside of the cover.

In addition, in the present invention, a portion of the guide member positioned outside the cover is suitable as long as it follows the outer surface of the lower cover member.

According to this feature configuration, dust discharged to the outside of the cover is easy to flow along the outer surface of the lower cover member.

Moreover, in this invention, it is suitable if the said lower cover member is comprised so that attachment or detachment is possible with respect to the said lateral wall, and the lower part of the said guide member is comprised by the elastically deformable member.

According to this feature configuration, when the lower cover member is removed, when the lower cover member contacts the lower portion of the guide member, the lower portion of the guide member is deformed. Thereby, when removing the lower cover member, it is difficult for the lower portion of the guide member to be disturbed.

In addition, in the present invention, a rotation body for power transmission is provided on the inner side of the upper cover member, and the guide member is suitable as long as it passes between the upper cover member and the rotating body.

According to this feature configuration, the rotating body can be protected by the guide member so that foreign matter from the outside of the cover does not contact the rotating body through the gap between the lower end of the upper cover member and the upper end of the lower cover member.

In addition, in the present invention, it is provided in a state exposed from the upper cover member in the lateral outward direction, and the threshing device is provided with an artificially operated operation member supported through a support member, and the guide member is provided to the support member. Suitable if supported.

According to this characteristic structure, the support member for operation members can be used as a member which supports a guide member.

1 is a left side view showing the whole of the combine.
2 is a plan view showing the entire combine.
3 is a vertical side view showing a threshing apparatus.
4 is a longitudinal front view showing a threshing portion.
5 is a side view showing a threshing feed chain, a guide member, and a conveyance rail.
6 is a side view showing the supporting structure of the lower end plate.
7 is a cross-sectional view taken along line VII-VII in FIG. 6.
8 is a left side view showing the whole of the combine.
9 is a plan view showing a cutting unit and a grain stem conveying unit.
10 is a longitudinal side view of the threshing apparatus.
11 is a longitudinal front view of the threshing apparatus.
12 is a left side view showing the threshing conveying device.
13 is a plan view showing the auxiliary transport device, the gap filling member, and the second gap filling member.
14 is a cross-sectional view taken along line VII-VII in FIG. 13.
15 is a perspective view showing a gap filling member, a guide member, and an auxiliary conveying device in a separated state.
16 is a plan view showing a gap filling member provided with another embodiment.
17 is a cross-sectional view taken along line XX in FIG. 16.
Fig. 18 is a left side view showing the magnetic type combine.
19 is a left side view showing the threshing apparatus.
20 is a rear view showing the threshing apparatus.
21 is a rear view showing a threshing apparatus in a state where the rapid movement is raised.
22 is a left side view showing the guide member.
23 is a front sectional view showing the guide member.

Hereinafter, embodiment which is an example of this invention is described based on drawing.

In addition, in the following description, the direction of arrow F shown in FIGS. 1 and 2 is "aircraft forward", the direction of arrow B is "aircraft rear", and the direction of arrow U shown in FIG. The direction of the "top of the gas", the direction of the arrow D is "the bottom of the gas", the direction of the arrow L shown in Fig. 2 is referred to as the "left side of the gas", and the direction of the arrow R is the "right of the gas".

(About the whole combine)

1 and 2, the combiner has a gas frame 1 constructed by connecting a plurality of steel materials, such as each pipe material, and a pair of left and right crawlers equipped below the gas frame 1 It is provided with a traveling body having a formula traveling device 2. A driving section 4 having a cabin 3 is formed on a right side and a left side section of the traveling body. The harvesting conveyance part 5 is provided in the front part of the traveling body. The harvesting conveyance part 5 is equipped with the harvesting part 5A provided in the front part of the harvesting conveyance part 5, and the conveyance part 5B provided in the back part of the harvesting conveyance part 5. The harvesting conveyance part 5 is supported by the left-right side part of the front part of a traveling body so that it can swing up and down, and the lowering working state in which the harvesting part 5A descends to the vicinity of a pavement surface, and the harvesting part 5A is from a pavement surface. The elevation operation is being performed over a highly elevated non-working state. The cutting section 5A is to be cut by a barrican-type cutting device 7 while generating the planting span 6 such as rice and barley to be placed in a plurality of planting tanks. The conveying part 5B conveys the harvesting span which the harvesting part 5A cut off to the rear by the bottom-side fitting support conveying device 10a and the chopping-side jamming conveying device 10b. The chori-side jamming conveying device 10b is operated at the end of the conveyance, and the chory side is inserted into and operated within the base of the base with respect to the bottom-side fitting support conveying device 10a, and the conveying part 5B is at the conveying end. The cutting span is changed from a standing position to a falling position. Threshing apparatus 8 and threshing apparatus 8 which perform threshing processing which receives threshing span from conveyance part 5B, and threshes threshing part in the rear part of a traveling body, and also performs sorting processing which grinds and sorts threshing grains. A grain tank 9 is provided in which the threshing grain obtained by is supplied by the grain raising apparatus 14 and stored. The threshing apparatus 8 and the grain tank 9 are provided in the horizontal arrangement state. A sedan device 11 for separating the threshing straw discharged by the threshing device 8 is connected to a rear portion of the threshing device 8. Through the left and right sides of the threshing apparatus 8 and the left and right sides of the sedan apparatus 11, the power of the engine (not shown) is applied to the sorting section 8B of the threshing apparatus 8 (see FIG. 3) and the sedan apparatus 11 ) Is provided with a power transmission device 13 that transmits the power, and a lateral cover 12 that covers the power transmission device 13 and the like from the outside. The lateral cover 12 is composed of a plurality of divided lateral covers. The grain discharge device 15 for taking out the threshed grain stored in the grain tank 9 protrudes from the rear part of the grain tank 9.

(Constitution of Threshing Device)

The threshing apparatus 8, as shown in FIG. 3, the threshing part 8A provided in the upper part of the threshing apparatus 8, and the sorting part provided from the lower part of the threshing room 20 of the threshing part 8A from behind. (8B).

As shown in FIGS. 3 and 4, the threshing portion 8A includes an air supply chamber 20 and a rapid motion 21 provided rotatably in the air supply chamber 20. The sudden movement 21 is rotationally driven with the axial center of the rotational support shaft 21a along the front-rear direction of the emergency room 20 as a rotation center. The supply chamber 20 is formed by an arc-shaped support network 25 along the front wall 22, the rear wall 23, the ceiling plate 24, and the rapid movement 21. In the front part of the feeding chamber 20, an inlet 26 is formed in which the cutting edge is inserted into the feeding chamber 20 at the chory side. In the rear portion of the feeding chamber 20, an outlet 27 through which dust such as threshing straw and chopped straw is discharged is formed. As shown in FIG. 4, in the left and right sides of the feeding chamber 20, the feeding port 30 is formed to extend in the front-rear direction of the feeding chamber 20 by the lower plate 28 and the upper plate 29. have.

As shown in FIG. 4, the upper upper plate 29 is provided with the supply guide part 29a extended downward from the lower part of the upper upper plate 29. As shown in FIG. As shown in Figs. 4 and 6, the connecting member is connected to the outer surface side of the lower end plate 28 and the left side wall 31 of the threshing apparatus 8 at a plurality of places in the front and rear direction of the supply of the lower end plate 28. (31a) is connected. The lower plate 28 and the connecting member 31a are connected by welding. The left wall 31 and the connecting member 31a are connected by a connecting bolt. The lower plate 28 is fixed to the left wall 31 through a plurality of connecting members 31a.

As shown in Figs. 3 and 4, in the left and right sides of the feeding chamber 20, a conveying rail 33 along the conveying side portion conveying the threshing feed chain 32 and the cutting span of the threshing feed chain 32 is shown. It is equipped.

The threshing feed chain 32 is comprised by the endless rotation chain provided with a protrusion, as shown in FIG. Threshing feed chain 32, as shown in Figures 4 and 5, the guide member 34 and the guide member (34) provided in a state extending in the front-rear direction along the supply port 30 on the lateral side of the supply port (30), The lower guide member 35 provided below 34), the idler wheel 36 rotatably supported at the front end of the guide member 34, and rotatable and driveable behind the guide member 34 It is wound on the provided drive sprocket 37 and the tension wheel 38 provided between the idle wheel 36 and the lower guide member 35. The threshing feed chain 32 is driven by the drive sprocket 37, and among the threshing feed chains 32, the guide member 34 is supported while the conveying side portion conveying the cutting span is supported by the guide member 34 from below. ), and moves backward, and in the threshing feed chain 32, the return side portion along the return path is supported by the lower guide member 35 from below and guided to the lower guide member 35 to move forward. do.

4 and 5, the conveyance rail 33 is constituted by a plurality of split rails 33a arranged in the conveyance direction of the span. The adjacent split rails 33a are connected in a state where relative up and down swinging is possible. Each split rail 33a is supported by a support frame 40 via a support rod 39 with a lower end connected to the split rail 33a. Each support rod 39 is supported by the support frame 40a of the support frame 40 so that it can slide up and down. Each support rod 39 is equipped with a spring 41 that engages and presses the split rail 33a to the threshing feed chain 32 by pressing down the support rod 39. The conveyance rail 33 is movably supported by the support frame 40 through a plurality of support rods 39, and is further provided to a conveyance side portion of the threshing feed chain 32 by a plurality of springs 41. The engagement is pressed. The conveyance rail 33 makes it possible for the conveyance side portion of the threshing feed chain 32 to fit and convey the bottom side of the harvesting span.

The guide member 34, as shown in Figs. 4 and 7, the roller support portion 34a supporting the chain roller 32a of the threshing feed chain 32 from below, and the lower surface side of the roller support portion 34a The upper part is connected to, and is provided with the frame part 34b which supports the roller support part 34a. The horizontal width W1 of the frame portion 34b is set to be smaller than the horizontal width W2 of the roller support portion 34a, so that one end of the roller support portion 34a protrudes from the frame portion 34b toward the feed hole 30, and the roller The support portion 34a and the frame portion 34b are connected. The roller bearing portion 34a and the frame portion 34b are connected by welding. The guide member 34 extends from each of the plurality of connecting members 31a, as shown in Figs. 4 and 5, and an extended protruding end is supported by a support arm 42 connected to the frame portion 34b. . The guide member 34 is supported by the left wall 31 through a support arm 42 and a connecting member 31a. The lower guide member 35 is supported by the guide member 34 through the support rod 43 as shown in FIGS. 4 and 5. The support rod 43 extends downward from the side of the frame portion 34b on the side opposite to the lower end plate 28, and is connected to the lower side portion of the lower guide member 35 at the extended protruding end.

The lower plate 28, as shown in Fig. 7, the throttle feed chain 32 from the lower portion 28A and the upper end portion of the lower portion 28A facing the rapid movement 21 in the state along the outer periphery of the rapid movement 21. And threshing feed chain side end 28B (hereinafter abbreviated as chain side end 28B) extending toward ). The chain-side end 28B extends to the lower side of the threshing feed chain 32 so as to overlap with the threshing feed chain 32 in plan view, as shown in FIGS. 4 and 7, and the threshing feed chain side is more It is extended in a highly positioned inclined state.

The inclination angle of the chain-side end portion 28B is set so that it becomes gentler on the threshing feed chain side. Specifically, as shown in Fig. 7, the shape seen from the front-rear direction of the chain-side end portion 28B is a one-stage bent shape bent at the middle portion C in the transverse width direction of the chain-side end portion 28B, and the chain Of the side ends 28B, the inclination angle with respect to the vertical direction (direction indicated by arrow H) in the extended projecting end side portion 28S located on the side where the threshing feed chain 32 is located with respect to the intermediate portion C is K1 Here, the inclination angle with respect to the vertical direction (direction indicated by arrow H) in the quick-action side portion 28K located on the side where the quick-action 21 is located with respect to the intermediate portion C among the chain-side end portions 28B Speaking of K2, the inclination angle K1 of the extended protruding end side portion 28S is set more gently than the inclination angle K2 of the quick-acting side portion 28K. In the quick-moving portion 28K, the inclined angle K2 of the quick-moving portion 28K is a steeper angle than the inclined angle K1 of the extended protruding end portion 28S, so that the dust easily flows into the feeding chamber 20, while the extended protruding end portion ( 28S) and the gap Z between the threshing feed chain 32 can be made narrow.

In the present embodiment, the shape seen in the front-rear direction of the chain-side end portion 28B is a single-stage bent shape, but is not limited to this. For example, a chain-side end of a multi-stage bent shape formed in a state of being bent in two or more places in the transverse width direction, and also formed in a state in which the inclination angle with respect to the vertical direction of the step portion close to the threshing feed chain 32 is gentle. You may employ. Further, when viewed from the front-rear direction, the chain-side end formed in an arc shape in a state where the threshing feed chain side is located higher, without extending from the upper portion of the lower portion 28A to the lower side of the threshing feed chain 32, You may employ.

As shown in Fig. 7, the threshing feed chain side end portion 28t at the chain side end portion 28B is raised to the lower side of the roller bearing portion 34a along the frame portion 34b, and extends the protruding end side. It is formed so as to be a stopper supporting the dust that is going to flow down from the portion 28S and fall off.

4 and 7, the lower end plate 28 is provided with a restricting portion 44 that rises from the chain-side end portion 28B. As shown in FIG. 6, the regulating portion 44 includes, in the lower end plate 28, a front portion corresponding to the front end portion of the inlet 30 and a portion spaced downward in the span conveying direction with respect to the front portion. It is provided in the state interspersed in. The threshing feed chain 32 is moved toward the feeding chamber 20 by the operating force generated due to the threshing span supported by the threshing feed chain 32 being pulled and operated toward the feeding chamber for threshing treatment by the sudden movement 21. Trying to tilt. That is, the end of the threshing feed chain 32 on the opposite side from the feed side is about to float from the roller support portion 34a. However, when the threshing feed chain 32 is about to be tilted, the regulating part 44 contacts the steep end side of the pin 32b in the threshing feed chain 32 to supply the threshing feed chain 32 to the feeding chamber 20. Support is supported from the side, and the tilting of the threshing feed chain 32 is regulated by the regulating portion 44. The regulating portion 44 on the front side is a portion near the center in the conveying direction in the front portion spaced from the idle wheel 36 and the drive sprocket 37 among the conveying side portions of the threshing feed chain 32. It is positioned and prevents tilting in the front portion where the threshing feed chain 32 is prone to tilting. The regulating portion 44 on the rear side is located in a portion near the center in the conveying direction in the rear portion spaced from the idle wheel 36 and the drive sprocket 37 among the conveying side portions of the threshing feed chain 32. , The threshing feed chain 32 is prevented from tilting in the rear portion which is easy to tilt.

In the present embodiment, the regulating portion 44 is made of a member separate from the lower plate 28 and is formed by a regulating portion forming member detachably attached to the lower plate 28 by mounting screws. It is not limited to this, and it is possible to employ a regulating portion integrally formed on the lower plate 28 by press molding or the like. In the present embodiment, the regulation unit 44 is provided in three places in the span conveying direction, but is not limited to this. For example, it may be provided only at a position corresponding to the front end portion of the supply port 30. Moreover, you may provide it in 2 or less places, or 4 or more places. In the present embodiment, the restricting portion 44 is configured to contact the pin 32b of the threshing feed chain 32, but is not limited to this, and the adoption of a configuration that contacts the plate of the threshing feed chain 32 is not employed. It is possible.

In the threshing apparatus 8, the starting end of the threshing feed chain 32 accepts the underside of the harvesting span in which the posture changed to the collapsed posture by the conveyance part 5B, and the accepted underside is attached to the threshing feed chain 32. By being fitted and conveyed toward the rear, the chory side of the harvesting span is guided to the inlet 26 by the inlet bottom plate 45 (see FIG. 3) and inserted into the starting end of the feed chamber 20. The lower end side of the harvesting span in which the chorizi side is inserted into the starting end portion of the chute 20 is caused to follow the feed hole 30 by the threshing feed chain 32 to be fitted and conveyed toward the rear of the chute 20 and the chory side While threshing by the sudden movement 21, the emergency room 20 is conveyed toward the rear.

In the quick-action side portion 28K in the lower plate 28, the dust easily flows into the feed chamber 20, and further, the extended protruding end portion 28S in the lower plate 28 and the threshing feed chain ( 32) By narrowing the gap Z between the lower end plate 28 and the end 28t of the lower end plate 28 as a stopper against the dust that is about to flow down and fall off from the lower end plate 28, the supply port 30 It is prevented that dust such as straw debris generated from the harvesting span in the vicinity overflows from the gap between the lower plate 28 and the threshing feed chain 32. That is, while preventing dust from adhering to the power transmission device 13 positioned below the threshing feed chain 32, the bottom side portion is fitted and conveyed toward the rear of the feed chamber 20. Even if the threshing feed chain 32 tries to tilt toward the feeding chamber 20 due to the operating force generated due to the threshing span being pulled to the feeding chamber 20 by the threshing of the chory side portion by the sudden movement 21, threshing The threshing feed chain 32 is not tilted or not much tilted by the action of each regulating portion 44 that contacts the steep end side of the feed chain 32, so that the cutting span is ensured by the threshing feed chain 32. It is returned while being fitted. Threshing straw discharge is discharged from the outlet 27 of the feed chamber 20 to the rear of the feed chamber 20 by the fitting support conveyance by the threshing feed chain 32.

The threshing grain obtained by threshing process falls to the sorting part 8B through the depression hole of the support net 25. The falling threshing grains are accepted by the shaking motion sorting device 46 (see Fig. 3), and the accepted threshing grains are sorted by the shaking motion sorting device 46 and sorted by the tuyere 47 (see Fig. 3). It is sorted with dust such as straw crumbs by wind sorting. Of the selected threshing grains, the fine grains are conveyed to the outside of the threshing apparatus 8 by the number 1 screw 48 (refer to FIG. 3) and supplied to the threshing apparatus 14. Among the selected threshing grains, untreated particles are conveyed to the outside of the threshing apparatus 8 by the number 2 screw 49 (see Fig. 3), and the swing sorting apparatus (from the outside) is reduced by a reduction apparatus 50 (see Fig. 3) ( 46).

[Other embodiments]

(1) In the above-described embodiment, the chain-side end 28B of the single-stage bend is adopted as a method of making the inclination angle of the chain-side end 28B of the lower plate 28 more smoother on the threshing feed chain side. , It is not limited to this, it is possible to employ a multi-stage bend of two or more stages, or an arc-shaped chain-side end viewed in the front-rear direction.

(2) In the above-described embodiment, an example is illustrated in which a regulating portion 44 that contacts the pin 32b of the threshing feed chain 32 is employed, but is not limited to this. That is, it is possible to employ a regulating portion that contacts the plate 32c from the lower side or the upper side of the pin 32b.

(3) In the above-mentioned embodiment, although the example in which the regulation part 44 was provided in two places in the crop conveyance direction was shown, you may provide only in one place corresponding to the front part of the feeder 30. Moreover, you may provide it in three or more places in a cutting span conveyance direction.

(4) Hereinafter, another embodiment of the present invention will be described based on the drawings.

In addition, in the following description, it is related to the traveling body of a combine, and the direction of the arrow F shown in FIG. 8 is "aircraft forward", the direction of the arrow B is "aircraft rear", the direction of the arrow U is "aircraft upward", the arrow The direction of D is referred to as the "lower side of the gas", the direction of the surface side of the paper in FIG. 8 is referred to as the "left side of the gas", and the direction of the rear side of the ground is referred to as the "right side of the gas."

(About the whole combine)

As shown in FIG. 8, the combiner has a gas frame 1001 configured by connecting a plurality of steel materials such as each pipe material, and a pair of left and right crawler-type driving provided below the gas frame 1001. It has a traveling body having a device (1002). A driving unit 1004 having a cabin 1003 is formed at a right side and a left side of the front portion of the traveling body. In the left side portion of the front portion of the traveling body, a harvesting conveying portion 1005 is provided for harvesting planting spans such as rice and barley positioned in front of the traveling body and conveying the cutting span to the rear. Threshing apparatus 1008 which receives the harvesting span from the harvesting conveyance part 1005 in the rear part of a traveling body, performs threshing processing of the harvested harvesting span, and performs the sorting process of dust and sorting threshing grains, and threshing A grain tank 1009 is provided in which the threshing grain obtained by the apparatus 1008 is supplied by the grain raising apparatus 1014 to store the threshing grain supplied. The threshing apparatus 1008 and the grain tank 1009 are in a horizontal arrangement state in which the threshing apparatus 1008 is located at the rear of the harvesting and conveying unit 1005, and the grain tank 1009 is located at the rear of the driving unit 1004. It is prepared. At the rear of the threshing apparatus 1008, a sedan apparatus 1011 for separating threshing straw discharge is provided. A grain discharging device 1015 for taking out grain grains from the grain tank 1009 extends from the rear portion of the grain tank 1009. Through the lateral side of the threshing apparatus 1008 and the lateral side of the sedan apparatus 1011, the power of the engine (not shown) is selected by the sorting unit 1032 (see FIG. 10) or the sedan apparatus 1011 of the threshing apparatus 1008. ) Is provided with a power transmission device (not shown) for transmission. In the lateral side of the power transmission device, a side cover 1012 is provided that covers the power transmission device from the outside. The side cover 1012 is composed of a plurality of divided transverse covers.

(About the structure of the harvesting and conveying part)

As shown in FIG. 8, the harvesting conveyance part 1005 is provided with the harvesting part 1005A provided in the front part of the harvesting conveyance part 1005, and the grain stem conveyance part 1005B provided in the back part of the harvesting conveyance part 1005. ).

As shown in Fig. 9, the cutting unit 1005A is configured to enable cutting of the planting span of six sets of planting tanks.

That is, the cutting unit 1005A is formed by arranging in the transverse direction of the traveling gas, as shown in FIG. 9, and has a six-raising path R100 in which the mounting span is introduced by the divider 1018. In each of the six raising paths R100, a raising apparatus 1006 is provided for raising the placement span introduced into the raising path R100. In the rear of the raising device 1006, a bari-can cutting device 1007 for cutting the base of the planting span where the lifting is performed is provided. A scraping belt 1016 is provided in each lifting path R100 to scrape the lower side portion of the planting span where the lifting is performed into the cutting device 1007. Above the cutting device 1007, a scraping wheel 1017 is provided to scrape the lower part of the cutting span from the scraping belt 1016 into the cutting device 1007.

As shown in FIG. 9, the intermission conveyance unit 1005B joins the two-row harvesting spans raised and cut in the first and second lifting paths R100 from the right end of the six lifting paths R100 in a standing position. The first conveying device 1021 conveyed to (1020), and the joining position of two trillion harvesting spans raised and cut in the third and fourth lifting paths R100 from the right end of the six lifting paths R100 are joined in a standing position ( 1020) and the second conveying device 1022 to be conveyed, and the joining position (1020) of the two-row harvesting spans raised and cut in the fifth and sixth lifting paths R100 from the right end of the six lifting paths R100 in a standing position (1020) ), the third conveying device 1023 to be conveyed, and the post-joining conveyance that conveys the harvesting span conveyed to the joining point 1020 from the joining point 1020 to the starting end of the threshing conveying device 1025 of the threshing apparatus 1008 It has a device 1024. After joining, the conveying apparatus 1024 conveys the harvesting span in a standing posture from the joining location 1020 to the front location of the conveying end. After joining, the chori-side jamming conveying part 1024a constituting the conveying device 1024 is inward in the gas transverse direction with respect to the bottom-side fitting support conveying part 1024b constituting the conveying end of the conveying device 1024 after joining. By joining the chori side, the conveying apparatus 1024 after joining changes the cutting span to a collapsed posture in which the chori side is positioned on the inside of the aircraft side with respect to the underside. After joining, the lower side portion of the harvesting span whose posture is changed to the collapsed posture is supplied from the conveying device 1024 to the starting end of the threshing conveying device 1025.

(Constitution of Threshing Device)

The threshing apparatus 1008 is equipped with the threshing gas 1030, as shown in FIG. 10 and 11, in the upper portion of the threshing gas 1030, an air supply chamber 1031 is formed. The sorting part 1032 is formed from the lower side of the supply chamber 1031 to the rear.

In the air supply chamber 1031, a rapid drive 1033 having a rotation support shaft 1033a along the front-rear direction of the threshing apparatus 1008 is provided to be rotatable about an axis center of the rotation support shaft 1033a as a rotation center. The supply chamber 1031 is formed by an arc-shaped support network 1035 along the front wall 1030a, the rear wall 1030b, the ceiling plate 1034, and the rapid motion 1033. In the front wall 1030a, an inlet 1036 of the feed chamber 1031 is formed. 9 and 10, in front of the inlet 1036, a guiding member 1037 is provided to guide the grass-side portion of the harvesting span to the inlet 1036. The guide member 1037 extends forward from the front wall 1030a. As illustrated in FIG. 11, in the lateral side of the feeding chamber 1031, the feeding port 1040 is formed in the state extending in the front-rear direction of the feeding chamber 1031 by the lower plate 1038 and the upper plate 1039. .

As shown in FIG. 10, the rear side of the threshing apparatus 1008 is made to follow the inlet part 1040 along the lateral side of the guiding member 1037 and the lateral side of the threshing gas 1030. A threshing conveying device 1025 is provided, which is fitted and conveyed toward the surface. As shown in FIGS. 11 and 12, the threshing and conveying apparatus 1025 includes a support frame 1041 provided in the lateral side of the feed chamber 1040, and a guide rail 1042 provided below the support frame 1041, The threshing feed chain 1043 supported by the support frame 1041 and the guide rail 1042, and the conveyance rail 1044 provided in correspondence with the conveyance side part along the span conveyance path among the threshing feed chain 1043 are provided. .

The threshing feed chain 1043, as shown in FIG. 12, is constituted by an endless rotating chain equipped with a projection, and is rotatable 1010 rotatably and idly supported at the front end of the support frame 1041 ), the sprocket 1046 provided rotatably and driveably behind the support frame 1041, and the tension wheel 1047 provided between the idler wheel 1045 and the guide rail 1042. The threshing feed chain 1043 is driven by the sprocket 1046, and the conveying side portion of the threshing feed chain 1043 is supported and supported from below by the support frame 1041 while moving backward along the support frame 1041. Then, the return side portion of the threshing feed chain 1043 along the return path moves forward along the guide rail 1042.

11, 12, the support frame 1041 of the roller support portion 1041a and the roller support portion 1041a for supporting the chain roller 1043a of the threshing feed chain 1043 from below. It is connected to the lower surface side, and is provided with the frame part 1041b which supports the roller support part 1041a from below. The shape of the frame portion 1041b is set to a shape in which the width of the frame portion 1041b is smaller than the width of the roller base portion 1041a, and the roller base portion 1041a and the frame portion 1041b are provided with a roller base portion ( 1041a) is connected in a state protruding from the frame portion 1041b toward the emergency exit side. The connection between the roller support portion 1041a and the frame portion 1041b is performed by welding.

12, the support frame 1041 is supported by the left wall 1030c based on the support structure 1048 provided in a plurality of places in the front-rear direction of the support frame 1041. As shown in FIG. Each support structure 1048, as shown in Figs. 11 and 12, is connected to the lower plate 1038 and the left wall 1030c, thereby supporting the lower plate 1038 to the left wall 1030c ( 1049 and a support arm 1050 extending from the connecting member 1049 and having an extended protruding end connected to the frame portion 1041b. The support arm 1050 is detachably connected to the connecting member 1049 by a connecting bolt. The support arm 1050 and the frame portion 1041b are connected by welding. 11 and 12, the guide rail 1042 is supported by a support rod 1051 extending downward from a plurality of places in the front-rear direction of the frame portion 1041b.

As shown in FIGS. 11 and 12, the transport rail 1044 is supported by the support frame 1053 through a plurality of support bars 1052. The support frame 1053 is supported on the upper portion of the threshing base 1030. Each of the plurality of support rods 1052 is supported to be slidable up and down by the support portion 1053a of the support frame 1053. Each lower end of the plurality of support bars 1052 is connected to a split rail constituting the transport rail 1044. A spring 1054 for engaging and pressing the split rail to the threshing feed chain 1043 by pressing the support bar 1052 downward is attached to each support bar 1052. That is, the conveying rail 1044 is pressed and engaged with the threshing feed chain 1043 by a spring 1054, so that the bottom side of the harvesting span can be fitted and conveyed by the threshing feed chain 1043. have.

As shown in FIG. 9, the auxiliary conveying apparatus 1026 is provided above the threshing conveying apparatus 1025 in the conveying direction of the threshing conveying apparatus 1025. As shown in FIGS. 13 and 15, the auxiliary conveying device 1026 is a driving sprocket provided at the rear of the guide rail 1026a, the idle wheel 1026b provided at the front of the guide rail 1026a, and the guide rail 1026a. It is provided with 1026c, and is also provided with a guide rail 1026a, an idle wheel 1026b, and a span conveyance chain 1026d wound on a drive sprocket 1026c. As shown in FIG. 9, the starting end portion of the auxiliary conveying device 1026 is disposed behind the conveying device 1024 after joining. As shown in Figs. 9 and 13, the end portion of the auxiliary conveying device 1026 is the starting end of the threshing conveying device 1025 on the side where the guide member 1037 is positioned relative to the starting end of the threshing conveying device 1025. And overlapped in the front-rear direction.

In the auxiliary conveying device 1026, after joining, the bottom side of the harvesting span is received from the conveying device 1024 at the starting end of the span conveying chain 1026d, and the received bottom side is attached to the span conveying chain 1026d. Thereby, it conveys to the starting end part of the threshing feed chain 1043 of the threshing conveyance apparatus 1025.

9 and 15, an auxiliary guide member 1027 is provided in front of the guide member 1037. The gap between the end of the auxiliary conveying device 1026 and the guide member 1037 is filled by the auxiliary gap filling member 1028. The auxiliary guide member 1027 and the auxiliary gap filling member 1028 are supported by the auxiliary conveying device 1026, as shown in FIG. 15.

As shown in Fig. 13, the gap between the guide member 1037 and the starting end of the threshing conveyance device 1025 is filled by the gap filling member 1055. 13 and 14, the gap filling member 1055 in the attached state is shown, and the gap filling member 1055 in the separated state is shown in FIG.

That is, as shown in FIGS. 13 and 14, the guide member 1037 is provided over the lower portion of the roller bearing portion 1041a, and the gap between the guide member 1037 and the starting end portion of the roller bearing portion 1041a is The frame-side gap filling portion 1055a is provided in the gap filling member 1055. It is installed up to the lateral side of the conveying side portion of the threshing feed chain 1043 to show an upward trend from the upper surface of the frame side gap filling portion 1055a, and between the frame side gap filling portion 1055a and the threshing feed chain 1043. A chain-side gap filling portion 1055b filling the gap of the frame is provided in the frame-side gap filling portion 1055a. The gap between the guide member 1037 and the starting end of the threshing feed chain 1043 is filled by the frame-side gap filling portion 1055a and the chain-side gap filling portion 1055b.

The gap filling member 1055 is provided with a frame-side gap filling portion 1055a, so that the gap between the guide member 1037 and the starting end portion of the support frame 1041 as a starting end portion of the threshing conveying device 1025 is provided. Is filling. The gap filling member 1055 is provided with a frame-side gap filling portion 1055a and a chain-side gap filling portion 1055b, so that the guiding member 1037 and the threshing feed as a starting end portion of the threshing conveying device 1025 are provided. The gap between the starting ends of the chain 1043 is filled.

The guide member side portion of the frame side gap filling portion 1055a is connected to the lower surface side of the guide member 1037 by a connecting screw 1056, and the gap filling member 1055 is threshing conveyed from the guide member 1037 It extends toward the device 1025 in a cantilevered state.

13 and 15, a second gap filling member 1057 extending forward from the front portion of the gap filling member 1055 is integrally formed with the gap filling member 1055. As shown in FIG. 13, the second gap filling member 1057 is supported between the gap filling member 1055 and the end of the auxiliary conveying device 1026 and the starting end of the threshing conveying device 1025. Is filling the gap. In the present embodiment, the gap filling member 1055 and the second gap filling member 1057 are made of an integral member, but are not limited thereto, and the gap filling member 1055 and the second gap filling member 1057 are formed. Each member may be manufactured.

In the threshing apparatus 1008, a threshing feed chain in which the bottom side of the harvesting span of the collapsed posture that has been conveyed by the conveying apparatus 1024 after joining is a starting end portion of the threshing conveying apparatus 1025 by the auxiliary conveying apparatus 1026. It is conveyed to the starting end of (1043), and the starting end of the threshing feed chain (1043) is received at the bottom side of the harvesting span. After joining, the chory side of the harvesting span conveyed by the conveying device 1024 is guided to the guide member 1037 by the auxiliary guide member 1027. The bottom-side part received by the starting end of the threshing feed chain 1043 is fitted backwards by the threshing feed chain 1043 and the conveyance rail 1044 of the threshing conveyance device 1025, and the chory side is a guide member. It is guided to the entrance 1036 of the supply chamber 1031 by 1037, and is inserted from the entrance 1036 into the starting end of the supply chamber 1031. At this time, the conveyance of the harvesting span is prevented by the auxiliary gap filling member 1028 to prevent the dust, such as cut leaves or soil, generated from the harvesting span from overflowing from the gap between the guide member 1037 and the auxiliary conveying device 1026. The second gap filling member 1057 prevents the dust from overflowing from the gap between the auxiliary conveying device 1026 and the starting end of the threshing conveying device 1025, while the dust is also guide member ( This is performed while preventing the overflow filling member 1055 from overflowing from the gap between the 1037) and the threshing conveying device 1025. That is, the operation switch 1058 (refer to FIG. 8) provided below the starting end of the threshing conveying device 1025, the throttle conveying device 1025, and a gas part or device located below the guiding member 1037 are in dust. It is done while avoiding falling. When the chorizo side portion is inserted into the feed chamber 1031, in this insertion state, the throttle side chain is fed and supported backward by the threshing feed chain 1043 and the conveyance rail 1044, so that the chorizoside portion suddenly moves 1033 Threshed by. The threshing straw discharge is discharged rearward from the feed chamber 1031 by the fitting support conveyance by the threshing feed chain 1043 and the conveyance rail 1044.

The threshing grain obtained by threshing process falls to the sorting part 1032 through the depression hole of the support net 1035. The falling threshing grain is received by the shaking motion sorting apparatus 1060 (see FIG. 10), and the received threshing grain is sorted by the shaking motion sorting apparatus 1060 and the sorting wind from the tuyere 1061 (see FIG. 10). It is sorted with dust such as straw crumbs by wind sorting. Of the selected threshing grains, the sizing is conveyed to the outside of the threshing gas 1030 by the number 1 screw 1062 (see FIG. 10) and supplied to the grain threshing apparatus 1014. Among the selected threshing grains, the untreated particles are conveyed to the outside of the threshing gas 1030 by a No. 2 screw 1063 (see Fig. 10), and the shaking sorting apparatus (from the outside) is reduced by a reduction apparatus 1064 (see Fig. 10). 1060).

(About the operation switch)

As shown in FIG. 11, the upper structure 1065 supporting the rapid movement 1033 among the threshing gas 1030 is supported by the lower structure 1066 so that it can be opened and closed vertically through the support shaft 1065a. The operation switch 1058 controls opening and closing operation of the superstructure 1065 by controlling an actuator (not shown) that oscillates the superstructure 1065. The operation switch 1058, as shown in Figures 12, 14, 15, from the support member 1030e connected to the threshing gas 1030 through the loop of the threshing feed chain 1043 of the threshing conveyance device 1025 It is supported at the extended protruding end of the support member 1067 extending outwardly to the left and right. The support member 1030e is connected to the threshing base 1030 and the frame portion 1041b to support the support frame 1041 to the threshing base 1030.

The support member 1067, as shown in Figure 12, 14, 15, the arm 1068 extending from the support member 1030e, and the operating panel portion 1069 extending downward from the front end of the arm 1068 I have it. A support plate 1070 for supporting the operation switch 1058 and a switch cover 1071 covering the operation switch 1058 are provided on the back surface side of the lower portion of the operation panel portion 1069. The switch cover 1071 is configured to cover the operation switch 1058 from above and from the front. The support plate 1070 is supported by the operation panel portion 1069 through a switch cover 1071. An opening 1072 exposing the operation portion 1058a of the operation switch 1058 is formed in the operation panel portion 1069.

(5) Fig. 16 is a plan view showing the gap filling member 1075 provided with another embodiment. The gap filling member 1075 provided with another embodiment includes a guiding member side filling portion 1075a extending from the guiding member 1037 toward the threshing conveyance device 1025, as shown in FIGS. 16 and 17, A conveying device side filling portion 1075b extending from the guiding member side filling portion 1075a to the lower side of the roller supporting portion 1041a of the support frame 1041 is provided. The guide member side filling portion 1075a is formed of a sheet metal member, and is connected to the guide member 1037 by a connecting screw 1076. The conveying device side filling portion 1075b is formed of an elastic plate member, and is connected to the guide member side filling portion 1075a by a connecting screw 1077. A strip-shaped sheet metal member 1078 is provided on the side of the conveying device side filling portion 1075b on the side opposite to the side that is in contact with the guiding member side filling portion 1075a. The sheet metal member 1078 is configured to push the conveying device side filling portion 1075b to the guide member side filling portion 1075a by the fastening force of the connecting screw 1077.

(6) In the above-described embodiment, the gap filling member is provided with a mechanism for filling the gap between the guide member 1037 and the support frame 1041, and a mechanism for filling the gap between the guide member 1037 and the threshing feed chain 1043. (1055) is employed, but is not limited to this. For example, even if a gap filling member having only a mechanism for filling the gap between the guide member 1037 and the support frame 1041 is provided, a gap filling having only a mechanism for filling the gap between the guide member 1037 and the threshing feed chain 1043 It may be absent.

(7) In the above-described embodiment, an example in which the second gap filling member 1057 is integrally molded to the gap filling member 1055 is shown, but is not limited thereto, and the second gap filling member 1057 and the gap filling member are shown. (1055) may be configured as a separate member.

(8) In the above-described embodiment, an example in which the auxiliary transport apparatus 1026 is provided has been shown, but the auxiliary transport apparatus 1026 may not be provided.

(9) Other embodiments for carrying out the present invention will be described based on the drawings. In addition, in the following description, in FIG. 18, the direction of the arrow F is "the front side of the gas", the direction of the arrow B is the "back side of the gas", the left side of the horizontal direction toward the direction of the arrow F is "the left side of the gas", The right side in the horizontal direction toward the direction of the arrow F is called "gas right".

〔Overall composition of combines〕

18, a magnetic type combine is shown. The traveling body 2001 is provided in this combine. The traveling body 2001 is provided with an aircraft frame 2002 and a crawler traveling apparatus 2003. On the front part of the base, a cutting part 2004 is provided for cutting the packaging grains. In the right part of the aircraft, a driving cabin 2005 is provided behind the harvesting part 2004. The driving cabin 2005 is provided with a driving unit 2006 and a cabin 2007 that covers the driving unit 2006. An engine (not shown) is provided below the driving unit 2006.

A threshing apparatus 2008 for threshing the threshing grain is provided at the rear of the harvesting section 2004. On the lateral outer side (left direction) of the threshing apparatus 2008, a feed chain 2009 is provided that feeds the threshing grain between the threshing apparatus 2008 and supplies it to the threshing apparatus 2008. The feed chain 2009 is guided and supported by the guide frame 2010. In the vicinity of the right side of the threshing apparatus 2008, the grain storage tank 2011 which stores the grain obtained by the threshing process of the threshing apparatus 2008 is provided. A grain discharge device 2012 for discharging grains in the grain storage tank 2011 is provided.

A cover 2013 is provided on the lateral outer side (left side) with respect to the feed chain 2009 and covering the lateral side wall (left side wall) 2008A (see FIG. 23) of the threshing apparatus 2008 from the lateral outer side. The cover 2013 is divided into an upper cover member 2014 and a lower cover member 2015, and configured. The upper cover member 2014 is divided into front and rear cover bodies 2016 and rear top cover bodies 2017, and is configured. The front upper cover body 2016 and the rear upper cover body 2017 are configured to be detachably attached to the left wall 2008A, respectively. In the front portion of the guide frame 2010, an installation frame 2018 in which the front portion of the front upper cover body 2016 is detachably installed is provided. The lower cover member 2015 is configured by being divided into front and rear cover bodies 2019 and rear lower cover bodies 2020. The front lower cover body 2019 and the rear lower cover body 2020 are configured to be detachably attached to the left wall 2008A, respectively.

〔Threshing device〕

As shown in FIG. 19, the upper chamber 2021 is formed in the upper part of the threshing apparatus 2008. In the air supply chamber 2021, a quick action 2022 is provided. The rapid motion 2022 is supported by the first side plates 2023 on both front and rear sides through the rapid motion shaft 2022a so as to be rotatable around the shaft center Y2001 extending in the front-rear direction. A support network 2024 is provided below the rapid motion 2022. A exhaust fan 2025 for discharging dust to the outside is provided at the rear side of the quick act 2022.

In the lower portion of the threshing apparatus 2008, a fluctuation sorting apparatus 2026 for shaking sorting a selection object, a tuyere 2027 for blowing sorting wind to the shaking sorting apparatus 2026, grains of threshing treatment (granulated grains, etc.) A recovery unit 2028 for recovery is provided, and a recovery unit 2029 for recovering grains (grains with a diameter), etc. of unthreshed products. The first recovery unit 2028 is provided with a first screw 2030 for conveying the grain of the threshing product toward the right direction. A grain raising device 2031 is provided for conveying the grain of the threshing product from the first screw 2030 toward the grain storage tank 2011. The second recovery unit 2029 is provided with a second screw 2032 for conveying the grain of the unthreshed product toward the right direction. A second reduction device 2033 is provided to reduce the grain of the unthreshed product from the second screw 2032 to the rocking sorting device 2026.

20 and 21, each first side plate 2023 is supported by each second side plate 2034 so that it can swing up and down around an axis Y2002 extending in the front-rear direction. A cylinder 2035 is provided over the first side plate 2023 on the rear side and the second side plate 2034 on the rear side. Due to the extension operation of the cylinder 2035, the rapid movement 2022 rises together with the first side plates 2023 on both sides of the front and rear, and by the lengthening operation of the cylinder 2035, the rapid movement 2022 causes the first side plates on both sides of the front and rear sides. It descends with (2023). A quick lock mechanism 2036 is provided to hold and hold the quick shaft 2022 at a threshing treatment position (see FIG. 20) for threshing.

〔Operation switch〕

22 and 23, a command to raise the rapid motion 2022 by the extension operation of the cylinder 2035 (rise command) and a command to decrease the rapid motion 2022 by the lengthening operation of the cylinder 2035. An artificial operation type switch 2037 (corresponding to the "operation member" according to the present invention) for performing (lower command) is provided. The operation switch 2037 is provided in a state exposed from the front end portion of the front upper cover body 2016 in the lateral direction (left direction).

The operation switch 2037 is supported on the front wall 2008B of the threshing apparatus 2008 through a bracket 2038 (corresponding to the "support member" according to the present invention). The bracket 2038 is provided by bypassing the installation frame 2018 (in other words, in a state where the connection with the installation frame 2018 is broken). The bracket 2038 includes an installation portion 2039 on which an operation switch 2037 is installed, an arm portion 2040 that spans the installation portion 2039 and the front wall 2008B, and a reinforcement portion for reinforcing the arm portion 2040 (2041) is provided. The arm portion 2040 is provided with an upper and lower portion 2040a extending along the vertical direction, a left and right portion 2040b extending along the left and right direction, and a front and rear portion 2040c extending along the front and rear direction.

The installation portion 2039 is configured such that its width becomes as thin as possible. A trim (not shown) is provided between the installation portion 2039 and the opening edge portion of the front upper cover body 2016 so that rainwater or the like does not enter. The left and right portions 2040b pass under the guide frame 2010 between the upper path portion and the lower path portion of the feed chain 2009. The rear end portion of the front-rear portion 2040c is fixed by a bolt 2043 to a support portion 2042 protruding toward the front from the front wall 2008B. The reinforcing portion 2041 is provided in a state that spans the upper and lower portions 2040a, the left and right portions 2040b, and the front and rear portions 2040c, and is fixed to them (for example, welding and fixed). The reinforcing portion 2041 is formed in a shape inclined backward and downward so that dust such as straw crumbs easily slips and falls along its upper surface. The harness 2044 for the operation switch 2037 is laid along the upper and lower portions 2040a, the left and right portions 2040b, and the front and rear portions 2040c.

〔Missing guides〕

As shown in FIGS. 22 and 23, dust from straw or the like is directed toward the outside of the cover 2013 from the gap G200 of the lower P2001 of the front upper cover body 2016 and the upper P2002 of the front lower cover body 2019. A guide member 2045 for guiding is provided. The guide member 2045 is provided below the front portion (transfer start end) of the feed chain 2009 in a state positioned between the left wall 2008A and the front upper cover body 2016 when viewed from the front. The guide member 2045 extends to the outside of the cover 2013 through the gap G200 in a state in which the lateral inner side (right direction) of the front upper cover body 2016 extends along the vertical direction. The guide member 2045 is fixed to the lower end of the installation portion 2039 by a bolt 2046. That is, the guide member 2045 is supported by the bracket 2038. The guide member 2045 is provided with an upper guide body 2047 constituting the upper portion of the guide member 2045 and a lower guide body 2048 constituting the lower portion of the guide member 2045.

The upper guide body 2047 is formed in a shape that extends downward from the lower end portion of the installation portion 2039. The upper guide body 2047 is provided with an inclined portion 2047a inclined downward to the right and an upper and lower portion 2047b extending along the vertical direction. The upper end portion of the inclined portion 2047a is fixed to the lower end portion of the installation portion 2039 by a bolt 2046. The lower end portion of the installation portion 2039 is formed in a shape inclined along the inclined portion 2047a. The upper and lower portions 2047b are positioned at a height between the lower end P2001 of the front upper cover body 2016 and the upper P2002 of the front lower cover body 2019 from the lower end of the inclined portion 2047a (specifically, the front upper cover body ( 2016) between the lower P2001 and the lower P2001 of the front lower cover body 2019.

The lower guide body 2048 extends from the lower end of the upper and lower portions 2047b toward the outside through the gap G200 in a state extending downward. The lower guide body 2048 is made of an elastically deformable member. In the present embodiment, the lower guide body 2048 is made of a sheet member made of a resin such as rubber. The lower guide body 2048 extends along the front-rear direction over the front-rear position corresponding to the front end portion of the front upper cover body 2016 and the front-rear position corresponding to the front wall 2008B. The lower guide body 2048 is located within the horizontal width of the front lower cover body 2019, and is also located within the horizontal width of the feed chain 2009. The lower guide body 2048 abuts on the lower end of the upper and lower portions 2047b from the right direction, and is fixed by the bolt 2055 in a state of being pressed from the right direction by the pressing plate 2049.

An inclined portion 2019a inclined upward to the right is formed on the upper portion of the electric charge cover body 2019. The lower guide body 2048, with respect to the line L200 connecting the lower end of the inclined portion 2019a (bend portion 2019b) and the lower end of the lateral outer surface of the front upper cover body 2016 among the front lower cover bodies 2019, It is located on the inner side (right side). The lower end portion of the lower guide body 2048 extends to a height position lower than the upper end P2002 of the front lower cover body 2019. Specifically, the lower end portion of the lower guide body 2048 extends to a height position corresponding to the upper and lower center portion of the inclined portion 2019a among the front lower cover bodies 2019. The lower end portion of the lower guide body 2048 follows the outer surface (lateral outer surface) of the front lower cover body 2019.

Here, between the front part of the threshing device 2008 and the rear part of the harvesting part 2004, a transmission device 2050 that transmits power from the engine to the harvesting part 2004 is provided. The transmission 2050 is constituted of, for example, a static hydraulic type continuously variable transmission. A belt transmission mechanism 2051 is provided that transmits the power of the output shaft 2050a to the input shaft 2004a over the output shaft 2050a of the transmission 2050 and the input shaft 2004a of the harvesting section 2004. The belt transmission mechanism 2051 includes an output pulley 2052 (corresponding to the "rotator" according to the present invention) provided on the output shaft 2050a, an input pulley 2053 provided on the input shaft 2004a, and an output pulley 2052 ) And a belt 2054 wound on the input pulley 2053. The output pulley 2052 is provided on the inner side (right direction) of the front upper cover body 2016. The guide member 2045 passes between the front upper cover body 2016 and the output pulley 2052. The upper guide 2047 and the lower guide 2048 overlap with the output pulley 2052 and the belt 2054 as viewed from the side.

(10) In the above embodiment, the lower end portion of the lower guide body 2048 extends to a height position lower than the upper end P2002 of the front lower cover body 2019. However, the lower end portion of the lower guide body 2048 may extend to a height position lower than the height position according to the above embodiment. Alternatively, the lower end portion of the lower guide body 2048 may only extend to a height position between the lower P2001 of the front upper cover body 2016 and the upper P2002 of the front lower cover body 2019.

(11) In the above embodiment, the lower end portion of the lower guide body 2048 is made to follow the outer surface of the front lower cover body 2019. However, the lower end portion of the lower guide body 2048 is not required to follow the outer surface of the front lower cover body 2019.

(12) In the above embodiment, the lower guide member 2048 is made of a resin-made member such as rubber. However, the lower guide body 2048 may be formed of a member other than a resin material as long as it is a member that is elastically deformable. Alternatively, the lower guide body 2048 may be formed of a member that is not elastically deformable (for example, a sheet metal member).

(13) In the above embodiment, the guide member 2045 passes between the front upper cover body 2016 and the output pulley 2052. However, the guide member 2045 does not have to pass between the front upper cover body 2016 and the output pulley 2052.

(14) In the above embodiment, the operation switch 2037 is supported on the front wall 2008B of the threshing apparatus 2008 through the bracket 2038. However, the operation switch 2037 may be supported on the left wall 2008A of the threshing apparatus 2008 through the bracket 2038.

The present invention is not limited to a combine with a crawler traveling device, but can also be applied to a threshing device provided with a combine with a traveling wheel.

In addition, the present invention can be applied to a combine capable of cutting a planting span of 5 or less groups or a planting tank of 7 or more groups. Further, it can be applied to a combine with a driving wheel.

In addition, the present invention can be used not only for a magnetic-type combine, but also for an inter-vehicle-type combine.

20: Emergency room
28: Late Edition
28S: Threshing feed chain side end of the lower end plate (chain side end)
29: Early Edition
30: Emergency
32: Threshing feed chain
44: Regulatory Department
1005A: cutting part
1005B: grain stem conveying section
1008: threshing device
1025: threshing conveying device
1026: auxiliary conveying device
1031: sudden loss
1036: entrance
1037: absence of guidance
1041: support frame
1043: threshing feed chain
1055: No gap filling
1055a: Frame side gap filling
1055b: Chain gap gap
1057: No second gap filling
1075: no gap filling
2008: Threshing device
2008A: Left wall (lateral wall)
2009: feed chain
2013: cover
2014: top cover member
2015: lower cover member
2037: operation switch (without operation)
2038: bracket (support member)
2045: no guide
2052: Output pulley (rotator)
G200: clearance
P2001: Bottom of front upper cover body (bottom of upper cover member)
P2002: Top of front lower cover body (top of lower cover member)

Claims (28)

The sharp chamber into which the cutting edge part is inserted,
A sudden movement provided in the supply chamber and threshing the chorizo side portion inserted into the supply chamber,
In the lateral side of the supply chamber, the supply port formed by the lower plate and the upper plate,
A threshing feed chain is provided in the lateral side of the feeding chamber, extending along the feeding hole, and supporting and conveying the lower part of the cutting span toward the rear of the feeding chamber,
The end of the threshing feed chain side of the lower end plate extends to the lower side of the threshing feed chain so as to overlap with the threshing feed chain in plan view, and further extends in an inclined state which is higher on the threshing feed chain side,
The threshing apparatus is set so that the inclination angle of the said end part of the said lower plate is more gentle toward the threshing feed chain side. The threshing apparatus according to claim 1, wherein a threshing device is provided to protrude upward from the lower end plate, and is provided with a regulating section for restricting the tilting of the threshing feed chain by contacting the side of the threshing feed chain on the side of the threshing feed chain. The threshing apparatus according to claim 2, wherein the regulating portion contacts a pin in the threshing feed chain. The threshing apparatus according to claim 2 or 3, wherein the regulating portion is provided at a location corresponding to the front portion of the feed hole. The threshing apparatus according to claim 2 or 3, wherein the regulating portion is scattered along the cutting span conveying direction at the feed hole. A cutting unit for cutting the planting span,
A grain stem conveying section for conveying the cutting span toward the rear,
A threshing apparatus having a steep chamber for threshing the chorizo side of the cutting span,
A threshing conveying device for receiving the bottom side portion of the harvesting span conveyed by the grain stem conveying unit, and conveying the harvested grain stem toward the rear of the threshing apparatus in a state in which the grass-side portion of the harvesting grain is inserted into the room;
A guide member provided in front of the entrance of the supply chamber, and guiding the chory side of the cutting span to the entrance;
The gap filling member which fills the clearance gap between the said guide member and the start end part of the said threshing conveyance apparatus is provided, The combine. 7. The threshing conveyance apparatus according to claim 6, wherein the threshing feed chain includes a threshing feed chain and a supporting frame provided below the conveyance side portion of the threshing feed chain to support the threshing feed chain,
The gap-filling member is a combine that fills the gap between the guide member and the starting end of the support frame. 7. The threshing conveyance apparatus according to claim 6, wherein the threshing feed chain includes a threshing feed chain and a supporting frame provided below the conveyance side portion of the threshing feed chain to support the threshing feed chain,
The said gap filling member fills the gap between the said guide member and the threshing feed chain. The threshing conveyance apparatus according to claim 6, wherein the threshing feed chain includes a threshing feed chain and a support frame provided below the conveyance side portion of the threshing feed chain to support the threshing feed chain,
The gap filling member includes a frame-side gap filling portion that extends over the guide member and the support frame, and a chain-side gap filling portion that is erected from an upper surface portion of the frame side gap filling portion to a lateral side of the conveying side portion, combine. The auxiliary conveyance according to any one of claims 6 to 9, which is provided above the threshing conveying device in a conveying direction, and conveys the lower part of the harvesting span in the grain threshing conveying section to the starting end of the threshing conveying device. Device is provided,
The auxiliary conveying device is provided so that the end of the auxiliary conveying device and the starting end of the threshing conveying device overlap in the front-rear direction,
The second gap filling member is provided to fill the gap between the end of the auxiliary transfer apparatus and the starting end of the threshing transfer apparatus. A threshing device for threshing the cropped grains,
A feed chain provided on the lateral outer side of the threshing apparatus, which feeds and supports the threshing grains to the threshing apparatus,
It is a combine that is provided with a cover located on the lateral side with respect to the feed chain and covering the lateral wall of the threshing device from the lateral side,
The cover is configured by being divided up and down into an upper cover member and a lower cover member,
Viewed from the front, in the state between the transverse wall and the cover, it is provided below the feed chain and guides dust from the gap between the lower end of the upper cover member and the upper end of the lower cover member toward the outside of the cover The guide member is provided,
The guide member extends to the outside of the cover by passing through the gap in a state in which the horizontal inner side of the upper cover member extends along the vertical direction. The combine according to claim 11, wherein the lower end of the guide member extends to a height position lower than the upper end of the lower cover member. The combine according to claim 11 or 12, wherein a portion of the guide member positioned outside the cover is made to follow the outer surface of the lower cover member. The method according to claim 11 or 12, wherein the lower cover member is configured to be detachably attached to the horizontal sidewall,
The lower portion of the guide member is composed of an elastically deformable member. The rotating body for power transmission is provided in the lateral inner side of the upper cover member.
The guide member is a combine that passes between the upper cover member and the rotating body. The artificial manipulation member according to claim 11 or 12, which is provided in a state exposed from the upper cover member to the lateral side and is supported by the threshing device through a support member.
The said guide member is a combine supported by the said support member. The threshing apparatus according to claim 4, wherein the regulating portion is scattered along the cutting span conveying direction at the feed hole. The method according to claim 13, wherein the lower cover member is configured to be detachably attached to the horizontal sidewall,
The lower portion of the guide member is composed of an elastically deformable member. The rotating body for power transmission is provided on the lateral inner side of the upper cover member.
The guide member is a combine that passes between the upper cover member and the rotating body. 15. The method of claim 14, In the lateral inner side of the upper cover member, a rotating body for power transmission is provided,
The guide member is a combine that passes between the upper cover member and the rotating body. The rotating body for power transmission is provided in the lateral inner side of the upper cover member.
The guide member is a combine that passes between the upper cover member and the rotating body. 14. The method of claim 13, It is provided in a state that is exposed to the lateral outward from the upper cover member, the threshing device is provided with an artificial operation member supported through a support member,
The said guide member is a combine supported by the said support member. 15. The method of claim 14, It is provided in a state that is exposed in the lateral outward from the upper cover member, the threshing device is provided with an artificial manipulation member supported through a support member,
The said guide member is a combine supported by the said support member. 16. The method of claim 15, It is provided in a state that is exposed to the lateral outward from the upper cover member, the threshing device is provided with an artificial manipulation member supported through a support member,
The said guide member is a combine supported by the said support member. 19. The method of claim 18, It is provided in a state that is exposed to the lateral outward from the upper cover member, the threshing device is provided with a man-made operation member supported through a support member,
The said guide member is a combine supported by the said support member. 20. The method of claim 19, It is provided in a state that is exposed from the upper cover member to the lateral outward, the threshing device is provided with an artificial manipulation member that is supported through a support member,
The said guide member is a combine supported by the said support member. 21. The method of claim 20, It is provided in a state that is exposed from the upper cover member to the lateral outward, the threshing device is provided with an artificial manipulation member that is supported through a support member,
The said guide member is a combine supported by the said support member. 22. The method of claim 21, It is provided in a state that is exposed to the lateral outward from the upper cover member, the threshing device is provided with an artificial manipulation member that is supported through a support member,
The said guide member is a combine supported by the said support member.

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