JP5817892B2 - combine - Google Patents

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JP5817892B2
JP5817892B2 JP2014131414A JP2014131414A JP5817892B2 JP 5817892 B2 JP5817892 B2 JP 5817892B2 JP 2014131414 A JP2014131414 A JP 2014131414A JP 2014131414 A JP2014131414 A JP 2014131414A JP 5817892 B2 JP5817892 B2 JP 5817892B2
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dpf unit
engine
combine
threshing
frame
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JP2014209916A (en
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藤田 靖
靖 藤田
上村 孝彦
孝彦 上村
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井関農機株式会社
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Description

  The present invention relates to a combine equipped with a diesel particulate filter.

  Conventionally, the structure which arrange | positions the exhaust apparatus which purifies the unburned fuel and granulated substance contained in exhaust gas in the space formed between a threshing apparatus and a glen tank is proposed (refer patent documents 1-3).

JP 2010-84542 A JP 2010-209813 A JP 2011-24510 A

  Since the combine described in patent documents 1 and 2 has arrange | positioned the exhaust apparatus which purifies unburned fuel and a granulated substance between the side wall of a threshing apparatus, and the side wall of a Glen tank, the width of the left and right direction of a Glen tank There is a possibility that the storage capacity of the Glen tank becomes small.

  In the combine described in Patent Document 3, in order to solve the above problem, the exhaust device is disposed below the outer body of the funnel portion where the width of the left and right of the Glen tank is narrow. However, there is a risk that waste on the field will ignite due to heat radiation from the exhaust device that becomes hot during work, and heat radiation from the exhaust device cannot be used for drying wet grains etc. There was a problem of being low.

  Therefore, the main problem of the present invention is to eliminate such problems.

The present invention that has solved the above problems is as follows.
That is, the invention according to claim 1 is provided with a combine equipped with a threshing device (5) for threshing cereals on the left side of the machine body and a glen tank (6) for storing threshed grains on the right side of the machine body. A pitching cylinder (57) for changing the posture in the front-rear direction of the machine body is provided, and the upper part of the second cerealing device (15) disposed on the right side of the threshing device (5) is connected to the second processing cylinder (16A). The first cerealing device (14) is disposed at a site between the threshing device (5) and the glen tank (6), and is communicated with the input port of the second processing chamber (16) that is pivoted. An upper end portion of the grain device (14) is communicated with an upper portion of the Glen tank (6), and an inclined wall (21D) inclined downward toward the right side is formed at the lower portion of the left side wall of the Glen tank (6), An engine (9) is arranged in front of the tank (6), and the engine (9 And attached to the machine frame (41) via the engine mount, the exhaust manifold of the engine (9) (30B), connecting tube having a flexible tube (52) having flexibility (50, 90) A DPF unit (40) that purifies the exhaust gas of the engine (9), and the DPF unit (40) is located near the upper end of the lower surface of the inclined wall (21D) , The combine is characterized in that it is supported from the machine base (41) through the frame (42) so as to be disposed between the second processing cylinder (16A) and the pitching cylinder (57) in the direction. .

A second aspect of the present invention is the combine according to the first aspect , wherein the DPF unit (40) is disposed so as to be inclined rearward and upward substantially parallel to the pitching cylinder (57) .
A third aspect of the present invention is the combine according to the first or second aspect , wherein the DPF unit (40) is disposed at a position lower than a rotation center of the cooling fan (28) of the engine (9) .

A fourth aspect of the present invention is the combine according to the first, second, or third aspect, wherein the cover (47) of the DPF unit (40) is detachable.
According to a fifth aspect of the present invention, a concave portion (22) is formed in a portion of the inclined wall (21D) adjacent to the DPF unit (40), and an upper portion of the DPF unit (40) is made to face the concave portion (22). The combine according to any one of claims 1 to 4, wherein the combine is the one described above.

  According to a sixth aspect of the present invention, a bottom surface portion (22A) that is parallel to the inclined wall (21D) in a rear view or steeply inclined toward the right side of the inclined wall (21D) in a part of the concave portion (22). The combine according to claim 5, wherein the combine is formed.

  The invention according to claim 7 is characterized in that a wind shielding plate (49) is arranged between the engine (9) and the DPF unit (40). It is a combine.

According to the first aspect of the present invention, the DPF unit (40) is a part close to the upper end of the lower surface of the inclined wall (21D) , and the second processing cylinder (16A) in the vertical direction and the Since it was supported from the machine base (41) side through the frame (42) so as to be arranged between the pitching cylinders (57) , a large amount of grains can be stored in the Glen tank (6), and the DPF unit (40 ) Can be prevented from igniting, such as excretion on the field due to heat radiation. Further, since the connecting pipe (50) connecting the exhaust manifold (30B) of the engine (9) and the DPF unit (40) is provided with a flexible tube (52) having flexibility, the DPF unit (40) Propagation of vibration to can be reduced.

According to the second aspect of the present invention, when the effect of the first aspect of the present invention is exerted, the connection pipe (90) can be prevented from being sharply bent and the installation work can be easily performed.

According to the third aspect of the present invention, in order to achieve the effect of the first or second aspect of the invention, the DPF unit (40) is moved from the rotation center of the cooling fan (28) of the engine (9). Can be arranged at a lower part.

  According to the invention described in claim 4, in addition to the effects of the invention described in claim 1, 2 or 3, the cover (47) of the DPF unit (40) can be attached and detached.

  According to the invention described in claim 5, in addition to the effect of the invention described in any one of claims 1 to 4, the upper portion of the DPF unit (40) is connected to the inclined wall of the Glen tank (6) ( Since it faces the recess (22) formed in 21D), drying of the grain stored in the grain tank (6) can be further promoted by the heat radiation of the DPF unit (40).

  According to the invention described in claim 6, in addition to the effect of the invention described in claim 5, a part of the recess (22) is parallel to the inclined wall (21D) in the rear view or inclined wall (21D). Since the bottom part (22A) which inclines more steeply toward the right side is formed, the flow of the grain in the bottom part (22A) is made smooth, and the grain stored in the grain tank (6) of the grain Can prevent clogging.

  According to invention of Claim 7, in addition to the effect by the invention of any one of Claims 1-6, a wind-shield board (9) between an engine (9) and a DPF unit (40). 49) is arranged, the flow of outside air for cooling the engine (9) can be cut off, and the temperature drop of the DPF unit (40) can be prevented.

It is a right view of a combine. It is a left view of a combine. It is a top view of a combine. It is a principal part right view of 1st Embodiment. It is a principal part right side enlarged view of 1st Embodiment. It is a principal part top view of 1st Embodiment. It is a principal part plane enlarged view of 1st Embodiment. It is a principal part rear view of 1st Embodiment. It is a principal part back surface enlarged view of 1st Embodiment. It is a back surface enlarged view of the engine of a 1st embodiment. It is a principal part front view of 1st Embodiment. It is a principal part front enlarged view of 1st Embodiment. It is a principal part right view of 2nd Embodiment. It is the principal part right view which removed the tail part of 2nd Embodiment. It is a principal part right view of 3rd Embodiment. It is a principal part right side enlarged view of 3rd Embodiment. It is a front view of a cooling fan. It is a front enlarged view of a cooling fan. It is a right view of a cooling fan.

  Hereinafter, a first embodiment of the present invention will be described in detail with reference to the accompanying drawings. In addition, in order to make an understanding easy, although it showed and demonstrated the direction for convenience, the structure is not limited by these.

  As shown in FIGS. 1 to 3, the combine 1 includes a traveling device 3 composed of a pair of left and right crawlers traveling in the field, a reaping device 4 that harvests cereals from the field at the front end position of the machine body, and a grain behind the harvesting device 4. A threshing device 5 that performs threshing / sorting of straw and a Glen tank 6 that is juxtaposed on the right side of the threshing device 5 and stores the threshed / sorted grain are provided on the back of the reaping device 5 on the front side of the Glen tank 6 A control unit 7 on which an operator boardes is provided at the facing part.

In addition, a rear side of the Glen tank 6 is provided with a discharge auger 8 for discharging stored grains to the outside of the machine, and a diesel engine (engine) 9 is mounted in the engine room E on the lower rear side of the control unit 7. Yes.
(Threshing device)
The cereals harvested by the reaping device 4 are lifted and conveyed to the threshing device 5 and threshed and selected by the threshing device 5. The threshing apparatus 5 includes a handling chamber for threshing cereals at the upper part and a sorting room for selecting cereals at the lower part. As shown in FIGS. 4 and 12, the handling chamber 10 is supported by a handling shaft 10 </ b> A extending in the front-rear direction, and the sorting chamber includes a swing sorting device. Karatsu 11 that blows air, first receptacle 12 that collects the grain that leaks from the rocking sorter, and grain (second product) to which the branch bellflower that leaks from the rocking sorter adheres A second receiving rod 13 to be collected is installed in order from the front side.

  The grain recovered by the first receiving tray 12 is pumped to the glen tank 6 by the first cerealing device 14 installed on the right side of the threshing device 5. The first cerealing device 14 is composed of a first cerealing cylinder 14A made of a cylindrical steel material and a first cerealing helix 14B that lifts the grain, and the base of the first cerealing cylinder 14A is a threshing device 5. The upper part of the first cereal cylinder 14 </ b> A communicates with the inlet of the glen tank 6. Moreover, 14 A of 1st cereal cylinders are installed in the space S pinched | interposed by the threshing apparatus 5 and the grain tank 6 so that it may go up from the base toward the upper part, and may incline.

  The cereal grains to which branch branches and the like collected by the second receiving tray 13 are attached are transferred to the second processing chamber 16 by the second cerealing device 15 installed on the right side of the threshing device 5. The second cerealing device 15 is composed of a second cerealing cylinder 15A made of cylindrical steel and a second cerealing helix 15B that lifts the second thing, and is located behind the base of the first cerealing cylinder 14A. The base of the second milling cylinder 15 </ b> A communicates with a discharge port formed at the lower right side of the threshing device 5, and the upper part of the second milling cylinder 15 </ b> A communicates with the inlet of the second processing chamber 16. . Further, the second milling cylinder 15 </ b> A is installed so as to incline forward from the base toward the upper part in the space S sandwiched between the threshing device 5 and the Glen tank 6.

  A second processing cylinder 16A having intermittent spiral blades on the outer peripheral surface is pivoted inside the second processing chamber 16 for processing and reducing the second product. The second product supplied to the second processing chamber 16 is transported forward by the rotating second processing cylinder 16A, and the grain and branch are separated, and dropped from the second processing product reducing port to the swing sorting device. Then, it is re-sorted by joining with the object to be processed from the handling room.

As shown in FIGS. 11 and 12, the handling cylinder 10 of the handling chamber handles the output shaft 17 installed on the left side of the engine 9 and the belt 17 </ b> A and the intermediate shaft 18 wound around the pulley 18 </ b> C of the intermediate shaft 18. The rotation of the output shaft 17 of the engine 9 is transmitted by a belt 18A wound around the trunk transmission shaft 10B. Further, the second processing cylinder 16A of the second processing chamber 16 is wound around the output shaft 17 and the intermediate shaft 18 of the engine 9 and the belt 17A and the intermediate shaft 18 and the second processing cylinder transmission shaft 16B. The rotation of the output shaft 16 of the engine 9 is transmitted by the belt 18B.
(Glentank)
The grain lifted by the first cerealing device 14 is stored in the glen tank 6. As shown in FIGS. 8, 11, etc., the Glen tank 6 is composed of a tank part 20 in which an inlet is formed and a funnel part 21 in which a discharge spiral for transferring grains to the discharge auger 8 is provided. Yes.

  In order to facilitate the inspection and maintenance work in the Glen tank 6, the tank portion 20 has a joining structure in which the right side wall 20A and the left side wall (side wall) 20B are joined by a fastening member such as a bolt. The right wall 20A integrally forms a front wall, a rear wall, a right wall, and a ceiling wall by pressing, and is inserted through the left side wall 20B inside the periphery of the right side wall 20A. A fastening portion such as a nut for fixing a bolt or the like is provided. A mounting hole through which a bolt is inserted is formed in the peripheral portion of the left side wall 20B.

  The funnel portion 21 includes a front wall 21A, a rear wall 21B, a right wall 21C, and a left wall (inclined wall) 21D, and is formed in a substantially triangular prism shape with the upper side open. A discharge spiral for conveying the grains stored in the glen tank 6 to the discharge auger 8 is disposed at a lower portion of the funnel portion 21 so as to be shifted to the right side of the funnel portion 21. Further, the left wall 21D is provided with a repose angle inclined from the left side to the right side from the upper end portion to the lower end portion of the left wall 21D in order to efficiently discharge the grains stored in the Glen tank 6.

In the upper part of the left wall 21D of the funnel portion 21, in order to arrange a right upper end portion of a diesel particulate filter (DPF unit) 40, which will be described later, a concave portion 22 extending from the front end portion of the funnel portion 21 to the middle portion in the front-rear direction. Can be formed. In this case, in order to efficiently discharge the grains stored in the Glen tank 6, the bottom surface piece (bottom surface portion) 22A of the recess 22 is provided with the bottom wall piece 22A in the same manner as the left wall 21D from the upper end portion toward the lower end portion. It is preferable to provide a repose angle inclined from the left side to the right side, and it is more preferable that the recess 22A is disposed between the front end portion of the funnel portion 21 and a position below the inlet of the glen tank 6.
(engine)
The engine 9 disposed below the control unit 7 is attached to the machine base 41 via an engine mount. An upper surface 9A of the engine 9 includes an intake turbine 30A that supercharges air to the engine 9 and an exhaust turbine (exhaust manifold) 30B that exhausts exhaust gas from the engine 9, as shown in FIGS. A feeder 30 and an exhaust gas recirculation device (EGR) 31 for mixing a part of the exhaust gas into the engine 9 are arranged in order from the rear side.

Further, in order to open the Glen tank 6 and facilitate maintenance and inspection of the engine 9, a supercharger 30 is disposed on the rear surface 9B of the engine 9 at the upper center portion of the rear surface 9B as shown in FIG. Then, a generator 32, a gear pump 33 for circulating oil, and an auger transmission portion 34 for driving the discharge auger 8 are juxtaposed in order from the right central portion to the lower right portion on the right side of the rear surface 9B. A starter 35 for starting the engine 9 is arranged in the section.
(DPF unit)
In order to remove impurities contained in the exhaust gas discharged from the engine 9, a DPF unit 40 is connected to the connection pipe 50 of the engine 9 as shown in FIGS. 4 to 12. Inside the DPF unit 40, an upstream side (intake port side) oxidation catalyst (DOC) 40A and a downstream side (exhaust port side) particulate filter (DPF) 40B are provided and contained in the exhaust gas. The unburned fuel is oxidized by the DOC 40A, and the granulated material contained in the exhaust gas is removed by the DPF 40B.

  The DPF unit 40 is supported by a frame 42 made of a steel material provided on the machine base 41 as shown in FIGS. The frame 42 includes a front frame 43, a rear frame 44, an upper connection frame 45, a lower connection frame 46, a cover 47, and a support member 48 that supports the DPF unit 40 from below.

  The machine base 41 includes a pitching cylinder 57 fixed to a rear connection plate 56 whose base is rotatably supported by the machine base 41 and whose tip is pivotally supported by the traveling device 3, and the base is the machine base 41. A pair of left and right rolling cylinders 59 fixed to a front connection plate 58 that is pivotally supported by the traveling device 3 and whose tip is pivotally supported by the traveling device 3 are provided. The pitching cylinder 57 has a function of moving the traveling device 3 in the up-down direction and tilting the posture of the combine 1 in the front-rear direction. The rolling cylinder 59 moves the traveling device 3 in the left-right direction, and the left-right direction of the combine 1 Has the function of tilting the posture.

  As shown in FIG. 9, the front frame 43 includes a front left column 43A whose base is fixed to the machine base 41 and extends upward, and a base which is fixed to the machine base 41 and extends upward, and then the left side. The top part is formed by a front right column 43B that extends upward and subsequently extends to the left side and is fixed to the top part of the front left column 43A.

  Similarly, the rear frame 44 includes a rear left column 44A whose base is fixed to the machine base 41 and extends upward, and a base which is fixed to the machine base 41 and extends upward, and thereafter, on the left upper side. The rear right column 44B extends toward the left side and then extends toward the left side and is fixed to the top portion of the rear left column 44A.

  Both ends of the upper connection frame 45 are fixed to the top of the front left column 43A and the top of the rear left column 44A, respectively, and both ends of the lower connection frame 46 are above the base of the front right column 43B and the rear side. Each is fixed above the base of the right column 44B.

The cover 47 is installed on the front right column 43A and the rear right column 44A, and is detachably provided by a fastening member such as a bolt.
The upper part 48 </ b> A of the support member 48 is fixed to the upper connection frame 45, and the lower part 48 </ b> C is fixed to the lower connection frame 46. The upper portion 48A of the support member 48 extends downward on the right side, and thereafter, the intermediate portion 48B is circular downwardly so as to face the outer peripheral shape of the DPF unit 40 in order to securely support the outer peripheral surface of the DPF unit 40. It is formed in an arc shape, and extends in the counterclockwise direction by about 180 degrees, and then the lower portion extends toward the right side.

  Further, on the front side of the front frame 43, as shown in FIGS. 5 and 9, etc., a wind shielding plate 49 made of steel is used to prevent the DPF unit 40 from being cooled by air sucked by a cooling fan 28 described later. Is provided. In order to efficiently oxidize the unburned fuel contained in the exhaust gas by the DOC 40A and to remove the particulate matter contained in the exhaust gas by the DPF 40B, the internal temperature of the DPF unit 40 is set to 300 ° C. or more. It is desirable to hold.

  The exhaust port of the exhaust turbine 30B of the engine 9 and the intake port of the DPF unit 40 are made of a first connecting pipe 51 made of a steel pipe and a flexible pipe made of a stainless steel pipe to reduce propagation of vibration of the engine 9. The tube 52 and the second connecting pipe 53 made of a steel pipe are connected.

  The first connection pipe 51 extends from the exhaust port of the exhaust turbine 30B toward the rear side as viewed from the side as shown in FIGS. 4 and 5, and the plan view as shown in FIGS. It extends toward the left side from the exhaust port of the exhaust turbine 30 </ b> B, and then bends approximately 90 degrees toward the rear side. Subsequently, it extends toward the rear side and is connected to the intake port of the flexible tube 52.

  The flexible tube 52 extends from the intake port of the flexible tube 52 toward the rear side in a side view as shown in FIGS. 4 and 5, and the flexible tube 52 in a plan view as shown in FIGS. 52 extends rearward from the intake port 52 and is connected to the intake port of the second connection pipe 53.

  As shown in FIGS. 4, 5, etc., the second connection pipe 53 extends rearward from the exhaust port of the flexible tube 52 in a side view, and then bends approximately 90 degrees downward, and then continues. It extends downward and is connected to the intake port of the DPF unit 40.

  Connected to the exhaust port of the DPF unit 40 is a third connection pipe 54 made of a steel pipe that discharges the unburned fuel and the exhaust gas from which the particulate matter in the exhaust gas has been removed by the DPF unit 40 to the outside.

In order to prevent the temperature of the third connection pipe 54 from increasing due to the exhaust of high-temperature exhaust gas, the inner diameter of the third connection pipe 54 is formed larger than the outer diameter of the exhaust port of the DPF unit 40. Accordingly, the exhaust air flowing into the third connection pipe 54 from the exhaust port of the DPF unit 40 draws outside air from the gap between the DPF unit 40 side end portion of the third connection pipe 54 and the exhaust port, so that the third connection The exhaust temperature in the pipe 54 decreases. Further, as shown in FIGS. 4 and 5, the third connection pipe 54 extends downward from the exhaust port of the DPF unit 40 in a side view, and then curves approximately 90 degrees toward the rear side. Subsequently, the space between the machine bases 41 is extended toward the rear side.
(Disposition position of DPF unit)
The DPF unit 40 supported by the frame 42 is disposed between the rear surface 9B of the engine 9 and the first cereal cylinder 14A of the first cerealing device 14 in the front-rear direction, as shown in FIGS. In the vertical direction, the cooling fan 28 is disposed at a position lower than the center of the cooling fan 28 provided on the right side (outside) of the engine 9 and higher than the pitching cylinder 57. In addition, the lower end portion of the DPF unit 40 is disposed at a position higher than the center of the fan 11 </ b> A of the red pepper 11.

  As shown in FIGS. 6, 7, etc., the DPF unit 40 is arranged between the rear surface 9 </ b> B of the engine 9 and the first cereal cylinder 14 </ b> A of the first cerealing device 14 in the front-rear direction. In order to promote the drying of the grains stored in the Glen tank 6, the front end portion of the DPF unit 40 is disposed at substantially the same position as the front wall 21 </ b> A of the funnel portion 21 of the Glen tank 6.

  The DPF unit 40 is disposed between the threshing device 3 and the grain tank 6 in the left-right direction, and more specifically, the belts 17A and 18A that transmit rotation to the handling cylinder 10 of the threshing device 3 and the threshing device 3. In order to prevent the deterioration of durability due to the high temperature of the belts 17A and 18B that transmit the rotation to the second processing cylinder 16A, the DPF unit 40 is disposed on the right rear side of the pulley 18C and the belts 17A, 18A, and 18B. In order to promote the drying of the grains stored in the tank 6, the upper right portion of the DPF unit 40 faces a recess 22 formed in the left wall 21 </ b> D of the funnel portion 21 of the Glen tank 6.

  As shown in FIGS. 8 and 9, the DPF unit 40 is disposed between the threshing device 3 and the grain tank 6 in the left-right direction. More specifically, the DPF unit 40 dries the grains stored in the grain tank 6. In order to promote, the center of the DPF unit 40 is arranged to be shifted to the right side from the upper end portion of the left wall 21D of the funnel portion 21 of the Glen tank 6.

  In addition, the DPF unit 40 is disposed between the second processing cylinder 16A of the threshing device 3 and the pitching cylinder 57 in the vertical direction. More specifically, the DPF unit 40 is provided with a glen Arranged adjacent to the upper end of the left wall 21D of the funnel portion 21 of the tank 6, the upper right portion of the DPF unit 40 faces a recess 22 formed in the left wall 21D of the funnel portion 21 of the Glen tank 6.

As shown in FIGS. 11, 12, etc., the DPF unit 40 is arranged to be biased to the right side of the left surface 9 </ b> C of the engine 9 in the left-right direction.
(Second Embodiment)
Next, a second embodiment of the present invention will be described in detail with reference to the accompanying drawings. In addition, the same code | symbol is attached | subjected to the same member and description is abbreviate | omitted.

In order to remove impurities contained in the exhaust gas discharged from the engine 9, a DPF unit 40 is connected to the connection pipe 70 of the engine 9 as shown in FIG.
The DPF unit 40 of the second embodiment is supported by a frame 62 made of a steel material provided on the machine base 41. The frame 62 includes a front frame 63, a rear frame 64, an upper connection frame 65, a lower connection frame 66, a cover 67, and a support member 68 that supports the DPF unit 40 from below.

  Like the front frame 43 in the first actual form, the front frame 63 has a front left column that is fixed to the machine base 41 and extends upward, and a base that is fixed to the machine base 41 and extends upward. Then, it is formed by a front right column that extends upward on the left side and then extends toward the left side and is fixed to the top of the front left column.

  As with the rear frame 44 of the first embodiment, the rear frame 64 has a rear left column whose base is fixed to the machine base 41 and extends upward, and a base which is fixed to the machine base 41 and faces upward. And then extending upward on the left side and subsequently extending toward the left side, and the top is formed by the rear right column fixed to the top of the rear left column.

  Both end portions of the upper connection frame 65 are fixed to the top portion of the front left column of the front frame 63 and the top portion of the rear left column of the rear frame 64, respectively, and both end portions of the lower connection frame 66 are the front right side of the front frame 63. It is fixed above the base of the column and above the base of the rear right column of the lower connecting frame 66, respectively. The upper connection frame 65 and the lower connection frame 66 are formed to be shorter in the front-rear direction than the upper connection frame 45 and the lower connection frame 46 in the first actual form.

The cover 67 is detachably mounted on the front right column of the front frame 63 and the rear right column of the rear frame 64 by a fastening member such as a bolt.
The upper part of the support member 68 is fixed to the upper connection frame 65, the lower part of the support member 68 is fixed to the lower connection frame 66, and the intermediate part of the support member 68 is the outer periphery on the front side of the division surface 40 </ b> C of the DPF unit 40. Opposite the shape, it is formed in an arc shape downward.

  In order to easily replace the DPF 40 </ b> B of the DPF unit 40, the tail portion 40 </ b> D on the rear side of the division surface 40 </ b> C of the DPF unit 40 is disposed on the rear side of the lower connection frame 66 of the frame 62. When the DPF 40B is exchanged, the DPF 40B can be easily exchanged by removing the tail portion 40D from the DPF unit 40 as shown in FIG.

  The exhaust port of the exhaust turbine 30B of the engine 9 and the intake port of the DPF unit 40 are a first connection pipe 71 made of a steel pipe, a flexible tube 72 made of a stainless steel pipe to reduce the propagation of vibration of the engine 9, and a steel pipe Are connected by a second connecting pipe 73 made of

  As shown in FIGS. 13 and 14, the first connection pipe 71 extends upward from the exhaust port of the exhaust turbine 30 </ b> B toward the rear side in a side view, and then bends approximately 45 degrees toward the lower side. Subsequently, it extends downward and is connected to the intake port of the flexible tube 72.

The flexible tube 72 extends downward from the intake port of the flexible tube 72 in a side view and is connected to the intake port of the second connection pipe 73.
The second connection pipe 73 extends downward from the exhaust port of the flexible tube 72 in a side view and is connected to the intake port of the DPF unit 40.

  Connected to the exhaust port of the DPF unit 40 is a third connecting pipe 74 made of a steel pipe that discharges the unburned fuel and the exhaust gas from which the particulate matter in the exhaust gas has been removed by the DPF unit 40 to the outside.

  In order to prevent the temperature of the third connecting pipe 74 from rising due to the exhaust of hot exhaust gas, the inner diameter of the third connecting pipe 74 is formed larger than the outer diameter of the exhaust port of the DPF unit 40. In addition, the third connecting pipe 74 extends downward from the exhaust port of the DPF unit 40 in a side view, and then bends approximately 120 degrees toward the rear side. It extends toward the side.

  Similar to the DPF unit 40 of the first embodiment, the DPF unit 40 supported by the frame 62 has a rear surface 9B of the engine 9 and the first cerealing device 14 in the front-rear direction, as shown in FIGS. It arrange | positions between 14 A of 1st cereal cylinders, and is arrange | positioned in the up-down direction in the position lower than the center of the cooling fan 28 provided in the right side (outside) of the engine 9, and higher than the pitching cylinder 57. FIG.

Although not shown, the DPF unit 40 is disposed between the threshing device 3 and the glen tank 6 in the left-right direction, and more specifically, a belt that transmits rotation to the handling cylinder 10 of the threshing device 3. In order to prevent the deterioration of durability due to the high temperature of the belts 17A and 18B that transmit the rotation to the second processing cylinder 16A of the threshing device 3 and 17A, 18A, the DPF unit 40 is located on the right rear side of the belts 17A, 18A, and 18B. The right upper part of the DPF unit 40 faces the recess 22 formed in the left wall 21D of the funnel part 21 of the Glen tank 6 in order to promote drying of the grains stored in the Glen tank 6. .
(Third embodiment)
Next, a third embodiment of the present invention will be described in detail with reference to the accompanying drawings. In addition, the same code | symbol is attached | subjected to the same member and description is abbreviate | omitted.

In order to remove impurities contained in the exhaust gas discharged from the engine 9, a DPF unit 40 is connected to the connection pipe 90 of the engine 9 as shown in FIGS. 15 and 16.
The DPF unit 40 of the third embodiment is supported by a frame 82 made of a steel material provided on the machine base 41. The frame 82 includes a front frame 83, a rear frame 84, an upper connection frame 85, a lower connection frame 86, a cover 87, and a support member 88 that supports the tail portion 40D of the DPF unit 40.

  Like the front frame 43 in the first embodiment, the front frame 83 has a front left column that is fixed to the machine base 41 and extends upward, and a base that is fixed to the machine base 41 and extends upward. Then, it is formed by a front right column that extends upward on the left side and then extends toward the left side and is fixed to the top of the front left column.

  The rear frame 84 includes a rear left column whose base is fixed to the machine base 41 and is inclined and extended upward, and a base is fixed to the machine base 41 and is inclined and extended upward. The rear part is formed by a rear right column that extends upward on the left side and then extends toward the left side and is fixed to the top of the rear left column.

  Both ends of the upper connecting frame 85 are fixed to the top of the front left column of the front frame 83 and the top of the rear left column of the rear frame 84, respectively, and both ends of the lower connecting frame 86 are connected to the front right of the front frame 83. It is fixed above the base of the column and above the base of the rear right column of the lower connecting frame 86, respectively.

The cover 87 is detachably mounted on the front right column of the front frame 83 and the rear right column of the rear frame 84 by a fastening member such as a bolt.
Both ends in the width direction of the support member 88 are fixed to the rear left column and the rear right column of the rear frame 84, respectively.

In order to reduce the steep bend of the connecting pipe 90 and simplify the installation work, the DPF unit 40 is disposed so as to be inclined rearward and substantially parallel to the pitching cylinder 57.
The exhaust port of the exhaust turbine 30B of the engine 9 and the intake port of the DPF unit 40 are a first connection pipe 91 made of a steel pipe, a flexible tube 92 made of a stainless pipe in order to reduce vibration propagation of the engine 9, and a steel pipe Are connected by a second connecting pipe 93 made of

  As shown in FIGS. 15 and 16, the first connecting pipe 91 extends upward from the exhaust port of the exhaust turbine 30 </ b> B toward the rear side in a side view, and then bends approximately 90 degrees toward the lower side. Subsequently, it extends rearward toward the lower side and is connected to the intake port of the flexible tube 92.

The flexible tube 92 extends rearward from the intake port of the flexible tube 92 in a side view and is connected to the intake port of the second connection pipe 93.
The second connection pipe 93 extends rearward from the exhaust port of the flexible tube 92 in a side view and is connected to the intake port of the DPF unit 40.

  Connected to the exhaust port of the DPF unit 40 is a third connecting pipe 94 made of a steel pipe for discharging the unburned fuel in the exhaust gas and the exhaust gas from which the particulate matter has been removed by the DPF unit 40 to the outside.

  In order to prevent the temperature of the third connection pipe 94 from rising due to exhaust of high-temperature exhaust gas, the inner diameter of the third connection pipe 94 is formed larger than the outer diameter of the exhaust port of the DPF unit 40. Further, the third connecting pipe 94 extends rearward from the exhaust port of the DPF unit 40 downward in a side view, and then bends approximately 120 degrees toward the rear, and then continues to the machine base 41. It extends toward the rear side.

  The DPF unit 40 supported by the frame 82 is similar to the DPF unit 40 of the first embodiment, as shown in FIGS. 15 and 16, in the front-rear direction, the rear surface 9 </ b> B of the engine 9 and the first cerealing device 14. It arrange | positions between 14 A of 1st cereal cylinders, and is arrange | positioned in the up-down direction in the position lower than the center of the cooling fan 28 provided in the right side (outside) of the engine 9, and higher than the pitching cylinder 57. FIG.

Although not shown, the DPF unit 40 is disposed between the threshing device 3 and the glen tank 6 in the left-right direction, and more specifically, a belt that transmits rotation to the handling cylinder 10 of the threshing device 3. In order to prevent the deterioration of durability due to the high temperature of the belts 17A and 18B that transmit the rotation to the second processing cylinder 16A of the threshing device 3 and 17A, 18A, the DPF unit 40 is located on the right rear side of the belts 17A, 18A, and 18B. The right upper part of the DPF unit 40 faces the recess 22 formed in the left wall 21D of the funnel part 21 of the Glen tank 6 in order to promote drying of the grains stored in the Glen tank 6. .
(cooling fan)
In the engine room E, as shown in FIGS. 17 and 18, an engine cover 25 provided with a filter body made of a hollow iron plate or the like, in order from the outside to the inside of the machine body, and the combustion chamber supplied to the engine 9 An intercooler 26 that cools the air-fuel mixture, a radiator 27 that cools the cooling water that cools the engine 9, and a cooling fan 28 that sucks external air into the machine are disposed.

  In order to increase the cooling efficiency of the radiator 27, the radiator 27 is surrounded by a shroud 27A made of a steel plate. Further, the center portion 28A of the cooling fan 28 is supported by a fan support member 27B having an outer peripheral portion fixed to the left side portion (inside the machine body) of the shroud 27A.

  The rotation of the output shaft 17 of the engine 9 is transmitted by a belt or the like to a pulley 28C attached to a rotation shaft 28B provided via a bearing in the central portion 28A of the cooling fan 28 to rotate the cooling fan 28.

DESCRIPTION OF SYMBOLS 5 Threshing apparatus 6 Glen tank 9 Engine 14 1st cerealing apparatus 15 2nd cerealing apparatus 16 2nd process chamber 16A 2nd process drum 21D Inclined wall 22 Recessed part 22A Bottom face part 28 Cooling fan 30B Exhaust manifold 40 DPF unit 41 Machine stand 42 Frame 47 Cover 49 Wind shield 50 Connection tube 52 Flexible tube
57 Pitching cylinder

Claims (7)

  1. In a combine equipped with a threshing device (5) for threshing cereals on the left side of the machine body and a Glen tank (6) for storing threshed grains on the right side of the machine body,
    The pitching cylinder (57) which changes the attitude | position of the front-back direction of a body is provided, The upper part of the 2nd threshing apparatus (15) arrange | positioned on the right side of the said threshing apparatus (5) is pivoted on the second processing cylinder (16A). A first cerealing device (14) is disposed at a site between the threshing device (5) and the glen tank (6), and is communicated with an input port of the second processing chamber (16) that is installed. An upper end portion of the device (14) communicates with an upper portion of the Glen tank (6), and an inclined wall (21D) inclined downward toward the right side is formed at the lower portion of the left side wall of the Glen tank (6). The engine (9) is disposed in front of (6), the engine (9) is attached to the machine base (41) via an engine mount, and the exhaust manifold (30B) of the engine (9) is flexible. Connection pipe (50) having a flexible tube (52) , Through the 90), to connect the DPF unit for purifying exhaust gas of an engine (9) (40), said DPF unit (40), at a site close to the upper end portion of the lower surface of the inclined wall (21D) And supported from the machine base (41) via a frame (42) so as to be disposed between the second processing cylinder (16A) and the pitching cylinder (57) in the vertical direction. Combine to do.
  2. The combine according to claim 1, wherein the DPF unit (40) is disposed so as to be inclined rearward and upward substantially parallel to the pitching cylinder (57).
  3. The combine according to claim 1 or 2 , wherein the DPF unit (40) is disposed at a position lower than a rotation center of the cooling fan (28) of the engine (9).
  4.   The combine according to claim 1, 2 or 3, wherein the cover (47) of the DPF unit (40) is detachable.
  5.   The recessed part (22) is formed in the site | part close to the DPF unit (40) in the said inclined wall (21D), The upper part of the said DPF unit (40) was made to face this recessed part (22), The combine according to any one of claims 1 to 4.
  6.   A bottom surface portion (22A) that is parallel to the inclined wall (21D) in a rear view or that is steeply inclined to the right side of the inclined wall (21D) is formed in a part of the concave portion (22). The combine according to claim 5.
  7.   The combine according to any one of claims 1 to 6, wherein a wind shielding plate (49) is disposed between the engine (9) and the DPF unit (40).
JP2014131414A 2014-06-26 2014-06-26 combine Active JP5817892B2 (en)

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JP5130830B2 (en) * 2007-08-30 2013-01-30 井関農機株式会社 Threshing device
JP2010063417A (en) * 2008-09-11 2010-03-25 Yanmar Co Ltd Combine harvester
JP5243224B2 (en) * 2008-12-19 2013-07-24 ヤンマー株式会社 Engine device for work vehicle
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JP2011106311A (en) * 2009-11-13 2011-06-02 Yanmar Co Ltd Engine device to be mounted on working vehicle
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