JP2006204102A - Combine harvester - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve inconvenience in which grains and grain culms are attached to each other and a threshing performance and a sorting performance are lowered when reaping operation is carried out in a state in which grain culms are moistened by rain and dew, etc. <P>SOLUTION: The combine harvester is equipped with a threshing part for threshing reaped grain culms, a sorting part for separating grains threshed by the threshing part and an engine for driving the separation part, the threshing part, etc. In the combine harvester, a hot air-feeding means is interlocked and connected to the engine and hot air can be fed to the threshing part and the sorting part by the hot air feeding means. As a result, it can be prevented to attach grains and grain culms to each other and threshing performance and sorting performance can favorably be ensured by feeding hot air to the grains and grain culms even when reaping operation is carried out in a state in which grain culms are moistened by rain and dew, etc. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a combine.

Conventionally, as one form of combine, a threshing unit for threshing the harvested cereal, a sorting unit for sorting the grains threshed by the threshing unit, and an engine for driving the sorting unit, the threshing unit, etc. There are some (see, for example, Patent Document 1).
Japanese Patent Laid-Open No. 7-50918

  However, in the above combine, when the harvesting operation is performed in a state in which the cereal is wet due to rain dew or the like, the cereal and the culm are attached to each other and the threshing performance and the sorting performance are reduced.

  Therefore, in the present invention, in a combine comprising a threshing unit for threshing the harvested cereal, a sorting unit for sorting the grains threshed by the threshing unit, and an engine for driving the sorting unit, the threshing unit, etc. The present invention provides a combine characterized in that hot air supply means is linked to the engine and the hot air supply means can supply hot air to the threshing section and the sorting section.

  The present invention is also characterized by the following configuration.

  (1) The hot air supply means is configured to attach a hot air fan to a fan drive shaft provided in the engine so that the exhaust air from the engine can be supplied as hot air to the threshing unit and the sorting unit by the same hot air fan.

  (2) A sorting unit is arranged at a position directly below the threshing unit, an engine is arranged at a rear upper position of the sorting unit and at a rear position of the threshing unit, and a fan drive shaft is directed downward from the engine. A hot air fan is attached to the fan drive shaft so that the exhaust air from the engine can be supplied as hot air to the threshing unit and the sorting unit by the same hot air fan.

  (1) In the present invention described in claim 1, a threshing unit for threshing the harvested cereal, a sorting unit for sorting the grains threshed by the threshing unit, and an engine for driving the sorting unit, the threshing unit, etc. In the combine comprising the above, the hot air supply means is linked to the engine, and the hot air can be supplied to the threshing section and the sorting section by the hot air supply means.

  In this way, warm air can be supplied to the threshing unit and the sorting unit by the warm air supply means, so even if the cereal is moistened with rain dew etc. By supplying wind, it is possible to prevent the grains and cereals from adhering to each other, and it is possible to satisfactorily ensure the threshing performance and sorting performance of the grains.

  (2) In the present invention described in claim 2, the hot air supply means attaches a hot air fan to a fan drive shaft provided in the engine, and the exhaust air of the engine is warmed to the threshing section and the sorting section by the hot air fan. It can be supplied as wind.

  In this way, since the exhaust air from the engine can be supplied to the threshing section and the sorting section as warm air by the warm air fan, it is necessary to provide a special heat source and to secure a space for providing the heat source. The engine exhaust can be used effectively.

  As a result, the structure can be simplified and the threshing performance and sorting performance of the grain can be ensured satisfactorily at low cost.

  (3) In this invention of Claim 3, while arrange | positioning a selection part in the position right under the threshing part, an engine is arrange | positioned in the rear upper position of the rear part of the selection part, and the engine. The fan drive shaft is protruded further downward, a hot air fan is attached to the fan drive shaft, and the exhaust air of the engine can be supplied as hot air to the threshing section and the sorting section by the same hot air fan.

  In this way, the sorting unit is disposed at a position directly below the threshing unit, and the engine is disposed at the rear upper position of the sorting unit and at the rear of the threshing unit, and the fan is driven downward from the engine. Since the shaft is protruded and a hot air fan is attached to the fan drive shaft, the exhaust air from the engine is reliably taken in by the hot air fan, and the exhaust air is used as warm air to the threshing section and the sorting section efficiently. Can be supplied.

  As a result, the structure can be simplified from this point as well, and the threshing performance and sorting performance of the grains can be secured satisfactorily at low cost.

  The best mode for carrying out the present invention will be described below with reference to the drawings.

  1 shows a general-purpose combiner as a combine according to the present invention. The general-purpose combine A is provided with a pair of left and right crawler-type traveling sections 2 and 2 at the lower part of the body frame 1. The cutting unit 3 is attached to the front end of the machine body frame 1 through the transport unit 4 so as to be movable up and down, the threshing unit 5 is disposed immediately after the transport unit 4, and the sorting unit is positioned immediately below the threshing unit 5. 6 is disposed.

  Further, the general combine A is a front part of the machine body frame 1, and an operation part 8 is disposed immediately above the transport part 4, a position immediately after the operation part 8, and a direct position of the threshing part 5. A grain storage unit 9 is disposed at an upper position, a grain carry-out unit 10 is continuously connected to the grain storage unit 9, and a prime mover unit 11 is disposed immediately after the grain storage unit 9. ing.

  Below, the structure of each part of the general purpose combine A is demonstrated.

[Traveling section]
As shown in FIG. 1, the traveling unit 2 has a traveling frame 12 attached to the lower part of the body frame 1, and the driving wheel 14 is interlocked and connected to the front end of the traveling frame 12, while the traveling unit 12 is idled at the rear end of the traveling frame 12. A wheel 15 is rotatably supported, and a crawler belt 16 is wound between the drive wheel 14 and the idle wheel 15. In the figure, 17 is a rolling wheel.

[Mowing section]
As shown in FIG. 1, the cutting unit 3 includes a platform 18 connected to the front end of the transport unit 4, and a horizontal feed auger 19 having an axis lined in the left-right direction is horizontally mounted in the platform 18. Then, a cutting blade device (not shown) is placed horizontally in front of the lateral feed auger 19, a divider 21 is disposed in front of the cutting blade device, and an elevating mechanism 23 is disposed above the divider 21. A scraping reel 22 is arranged.

  In this way, the culm planted in the field is scraped by the scraping reel 22, and the root part of the culm is cut by the cutting blade device. The harvested cereals are gathered together and delivered to the rear conveying unit 4.

[Transport section]
As shown in FIG. 1, the transport unit 4 has a feeder house 24 that extends in the front-rear direction attached to the front end of the machine body frame 1 so as to be pivotable up and down, and a transport conveyor 25 is disposed inside the feeder house 24. A front conveyance beater 26 is rotatably mounted on the upper front end of the machine body frame 1. In the figure, reference numeral 27 denotes an elevating cylinder for elevating the mowing unit 3 through the feeder house 24.

  In this way, the cereals collected by the lateral feed auger 19 of the cutting unit 3 are conveyed to the rear threshing unit 5 by the conveying conveyor 25 and the front conveying beater 26.

[Threshing Department]
As shown in FIG. 1, the threshing unit 5 forms a handling chamber 42 at a position immediately after the conveying unit 4, and a cylindrical first handling cylinder 28 having substantially the same outer diameter inside the handling chamber 42. 2 The handling cylinder 29 is disposed with a space in the front and rear direction with the axis of rotation directed in the left-right width direction, and the first concave 30 is located below the first handling cylinder 28 at a position directly below the first handling cylinder 28. The cable is continuously stretched in the circumferential direction along the circumferential surface of the half part, and the second concave 31 is placed along the lower half of the circumferential surface of the second handling cylinder 29 at a position directly below the second handling cylinder 29. It is stretched continuously in the direction.

  As described above, the cereals conveyed by the conveying unit 4 are first handled by the action of the first handling cylinder 28 in the threshing space formed between the first handling cylinder 28 and the first concave 30. In the threshing space formed between the second handling cylinder 29 and the second concave 31 after being threshed while being transferred from the left end of the cylinder 28 to the right end, the action of the second handling cylinder 29 is performed. Thus, the threshing process is carried out while being transferred from the right end portion of the second handling cylinder 29 to the left end portion, and the grains pass through the concaves 30 and 31 by their own weights and fall to the sorting unit 6 below.

[Selection section]
As shown in FIG. 1, the sorting unit 6 is provided with a swing sorting body 32 that can swing up and down via a swing mechanism 33 at a position directly below the first handling cylinder 28 and the second handling cylinder 29. is doing. 39 is the first grain receiver that extends in the left-right direction and receives the first grain, 40 is the second grain receiver that extends in the left-right direction and receives the second grain, and 41 is the Chinese potato.

  Further, a first grain conveyor 43 that extends in the left-right direction is disposed in the first grain receiver 39, and a cereal conveyor 44 that extends in the vertical direction on the left end of the same grain conveyor 43 is disposed. While the lower end portion is continuously provided, the upper end portion of the cereal conveyor 44 is continuously provided to the above-described grain storage portion 9, and the first grain in the first grain receiver 39 is the first grain conveyor. 43 → Fresh conveyor 44 → Transport to the grain storage unit 9.

  And the 2nd conveyance conveyor 45 extended in the left-right direction is arrange | positioned in the 2nd grain receptacle 40, and the reduction | restoration conveyor (not shown) extended in the front-back direction at the left end part of the 2nd conveyance conveyor 45 is arranged. While the rear end portion is continuously provided, the front end portion of the reduction conveyor is continuously connected to the above-described handling chamber 42, the second grain in the second grain receiving rod 40 is reduced to the handling chamber 42, and again. I try to thresh.

[Operation section]
The driving unit 8 has a substantially rectangular box-shaped cabin 50 disposed in the upper center of the front end of the body frame 1, and a seat 51 is disposed in the rear center of the cabin 50 in a plan view. A front column 52 is provided, and a steering wheel 53 is provided at the upper end of the front column 52. 54 is a shift lever.

[Grain storage part]
The grain storage unit 9 has a Glen tank 55 disposed immediately above the first handling cylinder 28 and the second handling cylinder 29 provided in the above-described threshing unit 5, and the grain tank 55 includes the sorting unit 6 described above. The provided first grain receiver 39 is connected in communication through a whipping conveyor 44.

[Grain export part]
The grain unloading unit 10 has a horizontal unloading screw conveyor (not shown) horizontally mounted on the lower right side in the Glen tank 55 with its axis in the front-rear direction, and a lower end at the rear end of the unloading screw conveyor. A vertical unloading screw conveyor 57 that is connected in communication is arranged with the axis line in the vertical direction at the right side position of the prime mover unit 11, and an unloading auger in which the rear end is connected to the upper end of the vertical conveying screw conveyor 57. 58 is extended forward, and is rotatable and vertically rotatable around the rear end. 58a is a carry-out port of the carry-out auger 58.

[Motor part]
The prime mover 11 has an engine E disposed on the upper rear portion of the fuselage, and the engine E is linked to each power mechanism such as the cutting blade device and a mission (not shown) via a transmission mechanism (not shown). It is connected.

  And by driving the engine E, each motive power mechanism parts, such as the threshing part 5 and the selection part 6, operate | move in response.

[Summary of the present invention]
In the configuration as described above, the gist of the present invention is that the hot air supply means 80 is linked to the engine E so that hot air can be supplied to the threshing section 5 and the sorting section 6 by the hot air supply means 80. There is.

  That is, as shown in FIGS. 1 and 2, the hot air supply means 80 is provided with a fan drive shaft 81 projecting directly downward from the engine E, and the hot air fan 82 is attached to the fan drive shaft 81. The same warm air fan 82 is arranged at a position immediately above the rear portion of the swinging sorter 32 so that the exhaust air of the engine E can be supplied to the threshing unit 5 and the sorting unit 6 as the warm air Wo by the same warm air fan 82. .

  In this way, the warm air fan 82 can supply the warm air Wo to the threshing unit 5 and the sorting unit 6, so that even when the cereal is moistened with rain dew, etc., the grains and grains By supplying the warm air Wo to the koji, it is possible to prevent the grains and cereals from adhering to each other, and to ensure the threshing performance and sorting performance of the grains.

  At this time, the sorting unit 6 is arranged at a position directly below the threshing unit 5, and the engine E is arranged at the rear upper position of the swing sorting body 32 of the sorting unit 6 and at the rear position of the threshing unit 5, The fan drive shaft 81 protrudes downward from the engine E, and a warm air fan 82 is attached to the fan drive shaft 81, and the exhaust air from the engine E is shed by the threshing unit 5 and the sorting unit 6 by the hot air fan 82. Therefore, the exhaust air from the engine E can be reliably taken in by the same warm air fan 82 and can be efficiently supplied to the threshing unit 5 and the sorting unit 6 as the warm air Wo. it can.

  Moreover, since the exhaust air from the engine E can be supplied to the threshing unit 5 and the sorting unit 6 as the warm air Wo by the warm air fan 82, it is necessary to provide a special heat source and to secure a space for providing the heat source. There is no need, and the exhaust air of the engine E can be used effectively.

  As a result, the structure can be simplified and the threshing performance and sorting performance of the grain can be ensured satisfactorily at low cost.

  Next, another characteristic structure in the present embodiment will be described with reference to the drawings.

  That is, as shown in FIG. 2, the swing sorting body 32 of the sorting section 6 has a feed pan 86 disposed in the front portion of the support frame 85, and a grain leakage occurs at a rear position of the feed pan 86. A front chaff sheave 87 having an adjustable amount is provided, and a first sieve wire 88 is projected by a rear end portion of the feed pan 86 toward a position immediately above the front portion of the front chaff sheave 87. A Glen pan 89 is disposed below 88, a Glen sheave 90 is disposed behind the Glen pan 89, and a second sieving line 84 is disposed between the rear edge of the Glen sheave 90 and the drifting plate 83. A rear chaff sheave 91 is provided at the rear upper position of the second sieve line 84 and at the rear lower position of the front chaff sheave 87 so that the amount of grain leakage can be adjusted.

  As shown in FIG. 3, a plurality (three in this embodiment) of vibration elements 92 are attached to the lower surface of the feed pan 86 at intervals in the front-rear direction, and each vibration element 92 is controlled by a control means such as a controller. Connected to 93 output.

  In this way, a high-frequency applied voltage generated by the control means 93 is applied to the vibration element attached to the feed pan 86 so that the swing sorter 32 can be vibrated finely.

  Therefore, when harvesting high-moisture crops, if dust or leaf waste adheres to the rocking sorter 32, the sorting performance deteriorates. However, the vibrating element 92 gives fine vibrations to the rocking sorter 32 at a high frequency. As a result, it is possible to suppress the adhesion of dust and the like to the rocking sorter 32, and it is possible to ensure good sorting performance even in high-moisture crops.

  Further, as shown in FIGS. 3 and 4 (a), the front chaff sheave 87 is formed by extending in the left-right direction between a pair of left and right chaff sheave supports 94, 94 formed by extending in the front-rear direction. Chaff sheave forming pieces 95 are horizontally mounted, and each chaff sheave forming piece 95 is pivotally pivotable about a left and right axis via a pivot 96, 96 provided at the upper end of the left and right sides. As a result, all the chaff sheave forming pieces 95 are integrally swung in the front-rear direction so that the front-rear distance between the adjacent chaff sheave forming pieces 95, 95, that is, the chaff sheave opening can be adjusted. I have to.

  Here, the chaff sheave opening degree can be adjusted by the chaff sheave opening degree adjusting means 97 shown in FIG. 3, and the chaff sheave opening degree adjusting means 97 is connected to the output side of the control means 93, A grain amount detecting means for detecting the amount of grain leaked on the feed pan 86 is connected to the input side of the control means 93.

  In this way, the grain amount detecting means 98 detects the amount of grain leaked on the feed pan 86, and the control means 93 appropriately drives the chaff sheave opening degree adjusting means 97 based on the detection result. The chaff sheave opening is automatically adjusted.

  Further, the grain sheave 90 disposed just below the front chaff sheave 87 is pivotally supported on the support frame 85 by a support shaft piece 99 with its rear end edge directed in the left-right direction, and the grain sheave 90 is shown in FIG. The posture change means 100 shown in FIG. 4 can change the posture between a front and rear low inclination posture (A) (see FIG. 4B) and a front low rear height inclination posture (B) (see FIG. 4C). Yes. K is a grain.

  In addition, the Glen sheave 90 is controlled so that the front and rear low sheave positions (i) are controlled when the front sheave sheave opening 87 is controlled to be in the closed state, and the chaff sheave opening is in the open state. In this case, it is controlled so as to be in a tilted posture (b) of front low and high after.

  In this way, when the amount of grain leaked onto the feed pan 86 is small, such as at the beginning of the harvesting operation or at the end of the harvesting operation, the chaff sheave opening is controlled to be closed. Therefore, the amount of leakage to the Glen sieve 90 is reduced, and the Glen sheave 90 is controlled to be in a leaning posture (a) after the front high and low so that the feed of the breakage on the Glen sheave 90 is accelerated. ing.

  Accordingly, the leakage distribution of the grain sieve 90 also becomes gentle from the front to the back, and the entire surface of the grain sieve 90 can be used effectively, and the mixing of the grain with cuts and branching can be reduced.

  In addition, when the amount of grain that has leaked onto the feed pan 86 is large, the chaff sheave opening degree is controlled to be in an open state to increase the amount of leakage to the grain sieve 90, and the grain sieve 90 The opening 101 can be formed between the front end edge portion of the grain sheave 90 and the rear end edge portion of the Glen pan 89 by controlling the tilt posture (b) of the front low and rear high.

  Accordingly, the diverted sorting air Wa, which is a part of the sorting air W blown from the tang 41, is allowed to flow onto the grain sieve 90 through the opening 101, and the grains on the grain sieve 90 can be wind-selected. As a result, wind cuts can be reliably selected by wind and the sorting efficiency can be improved.

  Further, as shown in FIG. 5, the second sieving line 84 pivotally supports a base end edge portion (front end edge portion) 84a on a support shaft piece 99 that supports the rear end edge portion of the grain sieve 90. As shown in FIG. 5 (a), it is rotatable between a use position (c) in a substantially horizontal state and a non-use position (d) that is flipped upward.

  And, as shown in FIGS. 5 (a) and 5 (b), a temporary fixing ball storage case 102 is provided on the left side of the base portion (front portion) of the second sieve wire 84. The temporary fixing ball 103 is elastically urged and accommodated in a pressed state outwardly on the left side by a pressing spring 104, while an engagement recess 105 is formed in the left wall 85a of the support frame 85, and the engagement recess 105 is temporarily By engaging the stop ball 103, the second sieve wire 84 can be temporarily fixed at the use position (c) in a substantially horizontal state.

  In this way, when performing the sorting operation, the second sieve line 84 is temporarily fixed at the use position (c), and when the cereal board 83 is cleaned, the temporary fixing state is The second sieving line 84 is lifted up to the non-use position (d) to release the temporarily fixed state, so that the washed grain board 83 can be cleaned easily.

  FIG. 6 shows a grain sieve cleaning means 110 as another embodiment, which includes a brush support shaft 111 extending in the left-right direction and formed to have substantially the same width as the left and right width of the grain sheave 90. A brush 112 projecting over the entire width of the left and right widths on the outer peripheral surface of the brush support shaft 111, a moving belt 113 for moving the brush support shaft 111 in the front-rear direction while rotating the brush support shaft 111, and the moving belt 113 A driven pulley 114 and a driving pulley 115 that support the driving pulley 115, and an electric motor 116 that drives the driving pulley 115. 117 is a driven pulley support shaft, 118 is a drive pulley support shaft, 119 is an output shaft, 120 is an output pulley, 121 is an input pulley, and 122 is a drive belt.

  In this way, by rotating the driving pulley 115 forward and backward via the driving belt 122 by the electric motor 116, the brush 112 can be moved while rotating in the front-rear direction on the grain sieve 90.

  At this time, since the brush 112 moves while rotating on the Glen sheave 90, dust and leaves clogged in the Glen sheave 90 can be surely removed, and the Glen sheave 90 can function properly. it can.

  Further, the cleaning operation of the glensy sieve 90 with the brush 112 can be performed by an operator by driving the electric motor 116 at an arbitrary time, or the electric motor 116 is controlled by the control means 93 and at a preset time, It can also be performed by automatically driving for a certain time.

The partially cutaway side explanatory view of the combine which concerns on this invention. Expansion side explanatory drawing of the threshing part of the same combine, a selection part, and a motor part. Explanatory side explanatory drawing of a selection part. (a) is a side explanatory view of the chaff sheave and the Glen sheave, (b) is an explanatory view of the front and rear low inclination posture of the Glen sheave, and (c) is an explanatory view of the front and rear high inclination posture of the Glen sheave. (a) is side surface explanatory drawing of the 2nd sieve line, (b) is plane explanatory drawing of the 2nd sieve line. (a) is side explanatory drawing of a glen sieve cleaning means, (b) is a plane explanatory drawing of the glen sieve cleaning means.

Explanation of symbols

A General-purpose combine 1 Airframe frame 2 Traveling part 3 Cutting part 4 Carrying part 5 Threshing part 6 Sorting part 7 Exclusion processing part 8 Driving part 9 Grain storage part
10 Grain unloading section

Claims (3)

In a combine comprising a threshing unit for threshing the harvested cereal, a sorting unit for sorting the grains threshed by the threshing unit, and an engine for driving the sorting unit, the threshing unit, etc.
A combine characterized in that hot air supply means is linked to the engine and the hot air supply means can supply hot air to the threshing section and the sorting section.   The hot air supply means is characterized in that a hot air fan is attached to a fan drive shaft provided in the engine, and the exhaust air of the engine can be supplied as hot air to the threshing section and the sorting section by the same hot air fan. Item 1. A combine according to item 1.   A sorting unit is disposed at a position directly below the threshing unit, an engine is disposed at a rear upper position of the sorting unit and at a rear position of the threshing unit, and a fan drive shaft is projected downward from the engine. The combine according to claim 1 or 2, wherein a hot air fan is attached to the fan drive shaft, and the exhaust air of the engine can be supplied as hot air to the threshing unit and the sorting unit by the hot air fan.

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