CN103982296A - Engine device carried by working vehicle - Google Patents
Engine device carried by working vehicle Download PDFInfo
- Publication number
- CN103982296A CN103982296A CN201410241856.8A CN201410241856A CN103982296A CN 103982296 A CN103982296 A CN 103982296A CN 201410241856 A CN201410241856 A CN 201410241856A CN 103982296 A CN103982296 A CN 103982296A
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- CN
- China
- Prior art keywords
- aforementioned
- exhaust
- exhaust gas
- gas purifying
- purifying device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/02—EGR systems specially adapted for supercharged engines
- F02M26/04—EGR systems specially adapted for supercharged engines with a single turbocharger
- F02M26/05—High pressure loops, i.e. wherein recirculated exhaust gas is taken out from the exhaust system upstream of the turbine and reintroduced into the intake system downstream of the compressor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
- F01N2590/08—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for heavy duty applications, e.g. trucks, buses, tractors, locomotives
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas After Treatment (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
Provided is an engine device wherein intake/exhaust system components are efficiently and compactly arranged around a diesel engine (20) in view of the performance of the intake/exhaust system components. The engine device is comprised of the diesel engine (20) having an intake manifold (75) and an exhaust manifold (64); and an exhaust gas purification device (DPF) (65) which purifies an exhaust gas from the exhaust manifold (64). A supporting leg element (131) which supports the exhaust gas purification device (65) is provided in a cylinder head (60) of the diesel engine (20). The center portion of the exhaust gas purification device (65) is coupled to the cylinder head (60) via the supporting leg element (131), and one end of the exhaust gas purification device (65) is coupled to the exhaust manifold (64) via a supercharger (61) of the diesel engine (20).
Description
The application is that international application no is that PCT/JP2010/052453, international filing date are the divisional application of the application for a patent for invention that on February 18th, 2010, national applications number are 201080012105.9, denomination of invention is " engine device ".
Technical field
The application's invention relates to for example engine device for the such engineering vehicle of combine-harvester, tractor or fork truck.
Background technique
Come in, be accompanied by the application of the high exhaust restriction relevant to diesel engine, in the urgent need to load the Exhaust gas purifying device of the Air Pollutants in purified treatment exhaust on agricultural working machine or the building machinery etc. of assembling diesel engine.As Exhaust gas purifying device, known have (with reference to patent documentations 1～3) such as DPF (diesel exhaust gas smoke filter) and NOx catalyzer.In addition, as the countermeasure of exhaust, known have by outfit make a part for exhaust be back to the EGR device (exhaust gas re-circulation apparatus) of air inlet side, reduce combustion temperature, reduce the technology (with reference to patent documentation 4) of the amount of the NOx (nitrogen oxide) in exhaust.
Prior art document
Patent documentation
Patent documentation 1: Japanese Patent Application Laid-Open 2000-145430 communique
Patent documentation 2: Japanese Patent Application Laid-Open 2003-27922 communique
Patent documentation 3: Japanese Patent Application Laid-Open 2008-82201 communique
Patent documentation 4: Japanese Patent Application Laid-Open 2000-282961 communique
Summary of the invention
Invent problem to be solved
But, in the DPF of an example as Exhaust gas purifying device, due to long-term use, the oil smoke (carbon deposit) in exhaust is stacked on carbon deposit filter, so in the time of the driving of diesel engine, oil smoke is removed in burning, makes carbon deposit filter regeneration.As is well known, due to the regeneration action of carbon deposit filter, for example, when delivery temperature is in the time that set point of temperature (degree of 300 DEG C) is above, so, wish that the delivery temperature of passing through DPF is more than set point of temperature.Therefore, the past, require DPF to be configured in delivery temperature high position, that is, be configured in diesel engine originally with it or near it.
The assembly space of diesel engine is because adopting various forms as the difference of engineering vehicle (agricultural working machine or building machinery etc.) of assembling object, in recent years, due to the requirement of lightweight, compactness, assembly space be mostly restricted (narrow and small).Therefore,, in diesel engine itself or while configuring DPF in its vicinity, according to intake and exhaust efficiency and part count etc., be necessary the layout compactly by DPF.In addition, as the parts of the air inlet system and exhaust system of diesel engine, except foregoing DPF, for example, also have EGR device or turbosupercharger, exhaust restriction means etc., from comprehensive viewpoint, require effectively and compactly configuration packet containing the air inlet system and exhaust system parts of above-mentioned parts.
The application's invention is In view of the foregoing to make y, using consider the performance of air inlet system and exhaust system parts and high efficiency and compactly by air inlet system and exhaust system component configuration around diesel engine as technical task.
Solve the scheme of problem
Invention described in the application's scheme 1 is a kind of engine device, described engine device is equipped with to be had the motor of intake manifold and gas exhaust manifold and will come from the Exhaust gas purifying device of exhaust gas purification of aforementioned gas exhaust manifold, wherein, the support foot body of the aforementioned Exhaust gas purifying device of supporting in the cylinder head of aforementioned motor, is equipped with, on the one hand, aforementioned Exhaust gas purifying device is connected in aforementioned cylinder head via aforementioned support foot body, on the other hand, by distolateral being connected on aforementioned gas exhaust manifold of aforementioned Exhaust gas purifying device.
Invention described in the application's scheme 2, in the engine device described in scheme 1, upper face side by pressurized machine configuration at aforementioned gas exhaust manifold, on the one hand, the central part of aforementioned Exhaust gas purifying device is connected in aforementioned cylinder head via aforementioned support foot body, on the other hand, the one distolateral pressurized machine via aforementioned motor of aforementioned Exhaust gas purifying device is connected on aforementioned gas exhaust manifold, again on the one hand, aforementioned support foot body is arranged on to a side of the top of the flywheel that is positioned at aforementioned motor of aforementioned cylinder head, aforementioned Exhaust gas purifying device is configured in to the top of aforementioned flywheel.
Invention described in the application's scheme 3, in the engine device described in scheme 2, being equipped with and being back to the structure of the gas-cooled cooler for recycled exhaust gas of EGR of aforementioned intake manifold from aforementioned gas exhaust manifold, aforementioned cooler for recycled exhaust gas is configured in to the lower side of aforementioned gas exhaust manifold.
Invention described in the application's scheme 4, in the engine device described in scheme 1, make aforementioned Exhaust gas purifying device with the orthogonal direction of the output shaft of aforementioned motor on extend and form, the support foot body that is equipped with the aforementioned Exhaust gas purifying device of supporting, is connected to the length direction central part of aforementioned Exhaust gas purifying device in aforementioned cylinder head via aforementioned support foot body.
Invention described in the application's scheme 5, in the engine device described in scheme 1, be equipped with the part that makes the exhaust that comes from aforementioned gas exhaust manifold as EGR gas backstreaming in the structure of the EGR device in aforementioned intake manifold, aforementioned Exhaust gas purifying device is connected in aforementioned cylinder head via support foot body, on aforementioned support foot body, be equipped with EGR relay route, described EGR relay route forms a part for the return line that aforementioned gas exhaust manifold and aforementioned intake manifold are coupled together.
Invention described in the application's scheme 6, in the engine device described in scheme 1, the support foot body of the aforementioned Exhaust gas purifying device of supporting is equipped with, aforementioned Exhaust gas purifying device is extended in one direction to be formed, on the one hand, the length direction central part of aforementioned Exhaust gas purifying device is connected in aforementioned cylinder head via aforementioned support foot body, on the other hand, is connected on aforementioned gas exhaust manifold via exhaust restriction means distolateral the length direction of aforementioned Exhaust gas purifying device one.
Invention described in the application's scheme 7, in the engine device described in scheme 6, at the upper face side configuration pressurized machine of aforementioned gas exhaust manifold, aforementioned pressurized machine is connected on aforementioned gas exhaust manifold, by aforementioned exhaust restriction means be configured in the length direction one of aforementioned pressurized machine and aforementioned Exhaust gas purifying device distolateral between.
The effect of invention
According to the application's invention, because engine device is equipped with the motor with intake manifold and gas exhaust manifold, and the Exhaust gas purifying device of exhaust gas purification of aforementioned row's manifold will be come from, wherein, the support foot body of the aforementioned Exhaust gas purifying device of supporting in the cylinder head of aforementioned motor, is equipped with, on the one hand, aforementioned Exhaust gas purifying device is connected in aforementioned cylinder head via aforementioned support foot body, on the other hand, by distolateral being connected on aforementioned gas exhaust manifold of aforementioned Exhaust gas purifying device, therefore, can utilize aforementioned support foot body to support near the center of gravity of aforementioned Exhaust gas purifying device, can stably support aforementioned Exhaust gas purifying device.That is, utilize aforementioned cylinder head and aforementioned support foot body as the high rigid element of aforementioned motor, can high rigidity and stably support aforementioned Exhaust gas purifying device.Thereby, can suppress the damage of the aforementioned Exhaust gas purifying device causing due to vibration etc.
And, be connected on aforementioned gas exhaust manifold via pressurized machine because the length direction one of aforementioned Exhaust gas purifying device is distolateral, so, utilize the effect of aforementioned pressurized machine, play the effect of the exhaust pulsation that can suppress aforementioned motor.
In addition, when in the time being equipped with pressurized machine than Exhaust gas purifying device by exhaust-gas upstream side, the delivery temperature of having passed through aforementioned pressurized machine can reduce.On the other hand, in the application's invention, owing to being arranged on, the length direction one of the aforementioned Exhaust gas purifying device in aforementioned cylinder head is distolateral to be connected on aforementioned gas exhaust manifold via pressurized machine, so, can be communicated to aforementioned Exhaust gas purifying device from aforementioned gas exhaust manifold through aforementioned pressurized machine with short distance.Therefore, can do one's utmost to be suppressed at by aforementioned pressurized machine afterwards until arrive the reduction of the delivery temperature of aforementioned Exhaust gas purifying device, the easy exhaust gas purification ability that keeps rightly aforementioned Exhaust gas purifying device.
According to the invention described in scheme 2, due to the upper face side at aforementioned gas exhaust manifold by pressurized machine configuration, on the one hand, the central part of aforementioned Exhaust gas purifying device is connected in aforementioned cylinder head via aforementioned support foot body, on the other hand, the one distolateral pressurized machine via aforementioned motor of aforementioned Exhaust gas purifying device is connected on aforementioned gas exhaust manifold, again on the one hand, aforementioned support foot body is arranged on to a side of the top of the flywheel that is positioned at aforementioned motor of aforementioned cylinder head, aforementioned Exhaust gas purifying device is configured in to the top of aforementioned flywheel, therefore, vent systems from aforementioned gas exhaust manifold to aforementioned Exhaust gas purifying device, in plane view, extend in outside along aforementioned cylinder head.Therefore, can effectively utilize the superjacent air space of aforementioned motor (aforementioned cylinder head), process compactly the gas handling system to aforementioned intake manifold via aforementioned pressurized machine.
According to the invention described in scheme 3, due to being equipped with and will being back to from aforementioned gas exhaust manifold the structure of the gas-cooled cooler for recycled exhaust gas of EGR of aforementioned intake manifold, aforementioned cooler for recycled exhaust gas is configured in to the lower side of aforementioned gas exhaust manifold, therefore, the side of the aforementioned gas exhaust manifold side in aforementioned motor, aforementioned pressurized machine and aforementioned cooler for recycled exhaust gas clip aforementioned gas exhaust manifold and divide configuration up and down.Thereby, in considering the matched tube structure of aforementioned pressurized machine and aforementioned cooler for recycled exhaust gas, can be formed in compactly the space that aforementioned motor occupies around.
According to the invention described in scheme 4, due to make aforementioned Exhaust gas purifying device with the orthogonal direction of the output shaft of aforementioned motor on extend and form, the support foot body of the aforementioned Exhaust gas purifying device of supporting is equipped with, the length direction central part of aforementioned Exhaust gas purifying device is connected in aforementioned cylinder head via aforementioned support foot body, therefore, can support near the center of gravity of aforementioned Exhaust gas purifying device with aforementioned support foot body, can stably support aforementioned Exhaust gas purifying device.That is, can utilize aforementioned cylinder head and aforementioned support foot body as the high rigid element of aforementioned motor, high rigidity and stably support aforementioned Exhaust gas purifying device.Thereby, can suppress the damage of the aforementioned Exhaust gas purifying device causing due to vibration etc.
According to the invention described in scheme 5, due to be equipped with the part that makes the exhaust that comes from aforementioned gas exhaust manifold as EGR gas backstreaming in the structure of the EGR device in aforementioned intake manifold, aforementioned Exhaust gas purifying device is connected in aforementioned cylinder head via support foot body, EGR relay route is equipped with on aforementioned support foot body,, described EGR relay route forms a part for the return line that aforementioned gas exhaust manifold and aforementioned intake manifold are coupled together, therefore, can utilize aforementioned support foot body stably to support aforementioned Exhaust gas purifying device.That is, can utilize aforementioned cylinder head and aforementioned support foot body as the high rigid element of aforementioned motor, high rigidity and stably support aforementioned Exhaust gas purifying device.Thereby, can suppress the damage of the aforementioned Exhaust gas purifying device causing due to vibration etc.And, particularly, owing to being equipped with EGR relay route on aforementioned support foot body, described EGR relay route forms a part for the return line that aforementioned gas exhaust manifold and aforementioned intake manifold are coupled together, therefore, there is the effect that does not use the superjacent air space of aforementioned cylinder head, processes compactly aforementioned return line along the periphery (horizontal side periphery) of aforementioned diesel engine.
According to the invention described in scheme 6, owing to being equipped with the support foot body of the aforementioned Exhaust gas purifying device of supporting, aforementioned Exhaust gas purifying device is extended in one direction to be formed, on the one hand, the length direction central part of aforementioned Exhaust gas purifying device is connected in aforementioned cylinder head via aforementioned support foot body, on the other hand, be connected on aforementioned gas exhaust manifold via exhaust restriction means distolateral the length direction of aforementioned Exhaust gas purifying device one, therefore, can utilize aforementioned support foot body to support near the center of gravity of aforementioned Exhaust gas purifying device, can stably support aforementioned Exhaust gas purifying device.That is, can utilize aforementioned cylinder head and aforementioned support foot body as the high rigid element of aforementioned motor, high rigidity and stably support aforementioned Exhaust gas purifying device.Thereby, can suppress the damage of the aforementioned Exhaust gas purifying device causing due to vibration etc.And, owing to disposing aforementioned exhaust restriction means between the aforementioned gas exhaust manifold in vent systems and aforementioned Exhaust gas purifying device, therefore, utilize the effect of aforementioned exhaust restriction means, can easily aforementioned Exhaust gas purifying device be remained on to appropriate temperature, the exhaust gas purification processing in aforementioned Exhaust gas purifying device is remained on to high efficiency state.
According to the invention described in scheme 7, due to the upper face side configuration pressurized machine at aforementioned gas exhaust manifold, aforementioned pressurized machine is connected on aforementioned gas exhaust manifold, by aforementioned exhaust restriction means be configured in the length direction one of aforementioned pressurized machine and aforementioned Exhaust gas purifying device distolateral between, therefore, can utilize the effect of aforementioned exhaust restriction means effectively to supplement the amount of the delivery temperature reduction causing due to aforementioned pressurized machine, make delivery temperature in high temperature.Thereby, can carry out accurately the adjusting of the delivery temperature to aforementioned Exhaust gas purifying device.
Brief description of the drawings
Fig. 1 is the left side view of combine-harvester.
Fig. 2 is the right side view of combine-harvester.
Fig. 3 is the plan view of combine-harvester.
Fig. 4 is the left side view that represents diesel engine with respect to the position relationship of the body that travels.
Fig. 5 is the front view that represents diesel engine with respect to the position relationship of the body that travels.
Fig. 6 is the plan view that represents diesel engine with respect to the position relationship of the body that travels.
Fig. 7 is the left side view of diesel engine.
Fig. 8 is the front view of diesel engine.
Fig. 9 is the plan view of diesel engine.
Figure 10 is the explanatory drawing of DPF.
Figure 11 is the explanatory drawing of NOx purification mechanism.
Figure 12 is the skeleton diagram of the power transmission system in combine-harvester.
Embodiment
Below, based on brief description of the drawings by form of implementation specific the application's invention.In addition, in the following description, towards the direction of advance of the body 1 that travels, left side is called to left side simply, towards this direction of advance, right side is called to right side simply.
(1). the overall structure of combine-harvester
First, describe for the overall structure of combine-harvester with reference to Fig. 1～Fig. 3.As shown in FIG. 1 to 3, the combine-harvester of form of implementation comprises by the travel body 1 that travels of crawler belt 2 (portion of travelling) supporting of pairing left and right.In the front portion of travelling body 1, dispose four incisory reaping apparatuses 3 of harvesting grain stalk.Reaping apparatus 3 can utilize single-acting lifting oil hydraulic cylinder 4 to save land and be installed on the front portion of the body 1 that travels around harvesting rotating fulcrum axle 4a rising-falling tone.Travelling on body 1, be equipped with the grain case 7 of the grain after sheller unit 5 and the storage threshing with feeding chain 6 line shape.Release unit 5 is configured in left side towards the direction of advance of the body 1 that travels, and grain case 7 is configured in right side (with reference to Fig. 3) towards the direction of advance of the body 1 that travels.Dispose the grain discharge auger 8 that the grain in grain case 7 is discharged to engine body exterior.
Front portion, right side at the body 1 that travels is provided with Drive Section 10.Foot treadle 11, the driver's seat 12 of taking the Drive Section 10 configuration operation persons in the front of grain case 7, the operation equipment that is equipped with steering tiller 13 and various operating stem etc.Below the driver's seat 12 travelling in body 1, configuration is as the diesel engine 20 of power source.On the lateral column 14 of a side that is configured in driver's seat 12, be provided with the main shift lever 16 of the variable speed operation of the body 1 that travels, the output of oil pressure stepless speed variator (omitting in figure) and speed setting are remained on to the secondary speed change lever 17 of predetermined range, carry out to reaping apparatus 3 and sheller unit 5 clutch shaft 18 that power make-break operation is used.
Main shift lever 16 is for the advancing, stop, retreating and the speed of a motor vehicle of body 1 of travelling of operation change infinitely.Secondary speed change lever 17, for according to the secondary gear (figure omits) in working state operation change gear box casing 86 (with reference to Fig. 6 and Figure 12), sets by the output of oil pressure stepless speed variator and rotating speed the gear that remains on low speed and two ranks of high speed across neutral position.
Bar of clutch shaft 18 use doubles as the bar that the power make-break operation of bar that the power make-break operation of reaping apparatus 3 uses and sheller unit 5 is used, and can move along the L shaped crank pit being formed on lateral column 14.In this case, if clutch shaft 18 is moved to the left part forward end of crank pit, gather in clutch 92 and threshing clutch 93 (with reference to Figure 12) all in off state, if move the corner part midway of crank pit, only have threshing clutch 93 to become on-state, if move the anterior forward end of crank pit, two clutches 92,93 all become on-state.
As shown in Figures 1 and 2, below the body 1 that travels, side disposes left and right track frame 21.On track frame 21, be provided with: by the transmission of power of diesel engine 20 to the driving sprocket wheel 22 of the crawler belt 2 that travels, the tension roller 23 of the tension force of the crawler belt 2 that keeps travelling, the ground connection side of the crawler belt 2 that travels is remained on to multiple track rollers 24 of ground state.The front side that utilizes driving sprocket wheel 22 to support the crawler belt 2 that travels, utilizes tension roller 23 to support the rear side of the crawler belt 2 that travels, and utilizes track roller 24 to support the ground connection side of the crawler belt 2 that travels.
As shown in FIG. 1 to 3, harvesting framework 9 is connected on the harvesting rotating fulcrum axle 4a of reaping apparatus 3.Reaping apparatus 3 comprises: the cutter device 47 of hair-clippers minor, and described cutter device 47 cuts off the root of the cereal stalk not slicing off in field; Be equivalent to the cereal stalk heaving mechanism 48 of four lines, described cereal stalk heaving mechanism is by the cereal stalk pull-up not slicing off in field; Cereal stalk feedway 49, the harvesting grain stalk that described cereal stalk feedway 49 carries cut knife system 47 to slice off; Be equivalent to point cursive script 50 of four lines, the cereal stalk not slicing off in field is divided grass by described point of cursive script 50.Cutter device 47 is arranged on the below of harvesting framework 9.Cereal stalk heaving mechanism 48 is arranged on the front of harvesting framework 9.Cereal stalk feedway 49 is configured between the front end (feeding starting point) of cereal stalk heaving mechanism 48 and feeding chain 6.Point cursive script 50 is arranged on the front, bottom of cereal stalk heaving mechanism 48 highlightedly.Utilize diesel engine 20 to drive crawler belt 2 to move in field on one side, the cereal stalk that drives reaping apparatus 3 to gather in continuously on one side not slice off in field.
As shown in Figures 1 and 2, on sheller unit 5, be equipped with: the swing separator plate 27 of the swing sorting mechanism of the threshing cylinder 26 that the threshing of cereal stalk is used, the threshing object that drops to the below of threshing cylinder 26 as sorting, to swinging separator plate 27 is supplied the windmill blower fan 28 of sorting wind, threshing effluent that the rear portion from threshing cylinder 26 is taken out is processed again processing cylinder 29, the discharge dust at the rear portion that swings separator plate 27 being discharged to the dusting fan 30 outside machine.
As shown in Figure 1 to Figure 3, at rear end side (the feeding end side) row of the disposing stalk chain 34 of feeding chain 6.Receive the discharge stalk (the cereal stalk after grain threshing) row's stalk chain 34 from the rear end side of feeding chain 6, be discharged to the rear of the body 1 that travels with long state, or after the discharge stalk cutter 35 that utilization is arranged on the rear side of sheller unit 5 cuts into suitable length, be discharged to the rear lower side of the body 1 that travels.
In the lower side that swings separator plate 27, be provided with the two-stage conveying machine 32 that takes out the secondary sorting thing that utilizes the primary conveyor 31 of the grain (one-level sorting thing) that swings separator plate 27 sortings and the grain of taking-up band branch stalk etc.Two conveyors 31,32 of this form of implementation, from the direct of travel front of the body 1 that travels, with the order of primary conveyor 31, two-stage conveying machine 32, are arranged on to line the upper surface side of the body 1 that travels in side view.
As shown in Figure 1 to Figure 3, swing separator plate 27 and swing the threshing object that sorting (gravity separation) falls to the below of threshing cylinder 26.The grain (one-level sorting thing) falling from swing separator plate 27 is come from the sorting wind of windmill blower fan 28 and is removed the dust this grain, drops to primary conveyor 31.The outside outstanding terminal part of a sidewall (being right side wall in this form of implementation) of close grain case 7 from sheller unit 5 in primary conveyor 31, is connected with the one-level cereal winding drum 33 extending along the vertical direction communicatively.The grain taking out from primary conveyor 31 is transported into grain case 7 by the one-level cereal elevator conveyor (not shown) in one-level cereal winding drum 33, and is collected in grain case 7.
Swinging the structure of separator plate 27 is, by swinging sorting (gravity separation), the secondary sorting thing such as grain (grain and stalk bits etc. mix again divide the reduction of selecting handled thing again) of band branch stalk is dropped on two-stage conveying machine 32.The secondary sorting thing being taken out by two-stage conveying machine 32 is returned to the upper surface side that swings separator plate 27 via second-stage reduction cylinder 36 and secondary treatment portion 37, carry out sorting again.In addition, coming from the sorting wind that stalk bits and dust etc. in the threshing object of threshing cylinder 26 come from windmill blower fan 28 discharges to field from the rear portion of the body 1 that travels.
(2). the power transmission system of combine-harvester
Secondly, describe for the power transmission system of combine-harvester with reference to Figure 12.
The power of diesel engine 20 transmits from the direction gear box casing 86 outstanding output shaft 83 axles in the left and right sides of diesel engine 20 and reaping apparatus 3 and sheller unit 5 both direction branches.Other power of diesel engine 20 the opposing party from output shaft 83 passes to grain and discharges auger 8.
In gear box casing 86, be equipped with and directly enter the oil pressure stepless speed variator of use and the oil pressure stepless speed variator (all not shown in figure) of rotation use.Branch's power from from output shaft 83 to gear box casing 86, is delivered to directly the entering with input shaft 88 of oil pressure stepless speed variator of directly entering use, carries out transmission of power from directly entering with input shaft 88 to the rotation input shaft 89 of the oil pressure stepless speed variator that rotates use.
By the operation amount corresponding to the steering tiller 13 that is configured in Drive Section 10, the angle of inclination of the swash plate in each oil pressure pump is regulated, change discharge direction and the discharge capacity of the working oil between oil pressure pump hydraulic motor, adjusting is directly entered with or is rotated sense of rotation and the rotating speed by output shaft (not shown) arbitrarily, and then regulates actuating speed and the driving direction of ridden in left or right direction crawler belt 2.
In addition, pass to directly to enter and be also delivered to the harvesting PTO axle 90 outstanding from gear box casing 86 with the power of input shaft 88, then, carry out power transmission via the harvesting clutch 92 of overrunning clutch 91 and belt tension formula to reaping apparatus 3.
The power of direction sheller unit 5 branches from the output shaft 83 of diesel engine 20, via the threshing clutch 93 of the belt tension formula as clutch mechanism, is delivered to the wind axle 40 of windmill blower fan 28.A part that is delivered to the power of wind axle 40 is delivered to the dust discharge axle 43 of the reduction conveyor 39 in grain elevator conveyor 38, two-stage conveying machine 32 and the second-stage reduction cylinder 36 in primary conveyor 31 and one-level grain winding drum 33, the swing axis 42 that swings separator plate 27, dusting fan 30 and is discharged stalk cutter 35 by the transmission of belt 41 and belt pulley.
In addition, also from wind axle 40 via feeding chain clutch 44 and feed the front end transferring power of chain rivet 45 to feeding chain 6.And then the power that comes from wind axle 40 is also delivered to threshing cylinder input shaft 52.The power that passes to threshing cylinder conveying axis 52 transmits to threshing cylinder 26 and processing cylinder 29 both direction branches.Branch's power from from threshing cylinder input shaft 52 to threshing cylinder 26 is delivered to rotatingshaft 53 and row's stalk chain 34 of threshing cylinder 26.Be delivered to via processing cylinder input shaft 54 running shaft 55 of processing cylinder 29 to branch's power of processing cylinder 29 from threshing cylinder input shaft 52.Also transmit branch's power to the running shaft 56 of secondary treatment portion 37 from processing cylinder input shaft 54.
The longitudinal spiral that the auger clutch 95 of using via grain input gear mechanism 94 and power break-make to the power of grain discharge auger 8 from the output shaft 83 of diesel engine 20 is delivered to bottom conveyor 96 and the grain discharge auger 8 in grain case 7 pushes the longitudinal conveyor 97 in cylinder, then, discharge to grain the discharge conveyor 99 that the horizontal spiral in auger 8 pushes in cylinder and carry out transmission of power via accepting spiral 98.
(3). the intake and exhaust structure of diesel engine
Secondly,, with reference to Fig. 4 to Figure 11, describe for the intake and exhaust structure of diesel engine 20.Diesel engine 20 is equipped with: have the cylinder block 59 of engine output shaft 83 (bent axle, with reference to Fig. 4 and Fig. 7) and piston (omitting in figure) and be arranged on the cylinder head 60 in cylinder block.Dispose gas exhaust manifold 64 at the leading flank of cylinder head 60.Dispose intake manifold 75 at the trailing flank of cylinder head 60.
Make the two ends, left and right of engine output shaft 83 outstanding from the left and right sides of cylinder block 59.Be provided with cooling blower 77 at the right flank of cylinder block 59.Via V-belt (omitting figure), rotating force is passed to cooling blower 77 from the right-hand member side of engine output shaft 83.As shown in Figures 5 and 6, in the right side side of engine compartment 79 that holds diesel engine 20, dispose the radiator 76 for diesel engine 20 being carried out to water-cooled.Make the cooling blower 77 of diesel engine 20 opposed with this radiator 76.
As shown in Fig. 4, Fig. 5, Fig. 7 and Fig. 8, flywheel 84 is bearing in the left end side of the engine output shaft 83 outstanding from the left surface of cylinder block 59 by axle.By the homework department's driving pulley 85 to reaping apparatus 3 and sheller unit 5 transmission driving forces, be fixed to flywheel 84 to the driving pulley 87 that travels of the crawler belt 2 transmission driving forces of travelling from gear box casing 86, form the carry-out part of diesel engine 20.
As shown in Fig. 4～Fig. 6, the mode that left and right center side, the cooling blower 77 that diesel engine 20 is positioned at flywheel 84 body 1 that travels is positioned at the right side of the body 1 that travels forms, and is configured in the engine compartment 79 of the below that is formed on driver's seat 12 in body 1 of travelling.The mode of, extending at left and right directions with the direction of engine output shaft 83 configures diesel engine 20.
On the top of diesel engine 20, dispose the turbosupercharger 61 of utilizing the exhaust gas drive that comes from gas exhaust manifold 64.As shown in Figure 6 and Figure 9, the turbosupercharger 61 of form of implementation is arranged on the upper surface of this gas exhaust manifold 64 with the state of the gas outlet portion top near gas exhaust manifold 64.Turbosupercharger 61 is equipped with: the built-in turbine shroud 62 of turbine wheel (omitting in figure), the built-in compressor housing 63 of blower wheel (omitting in figure).In addition, turbosupercharger 61 is for utilizing the exhaust pressure of diesel engine 20 to improve the suction pressure of diesel engine 20.
As shown in Figure 5, Figure 6, Figure 8 and 9, side is discharged in the air inlet that the air inlet of compressor housing 63 extraction side is connected to air-strainer 71 via suction tude 70.The air inlet of air-strainer 71 is extracted side and is connected on strainer 72 via air inlet duct 73.The air inlet discharge side of compressor housing 63 is connected to the gas access portion of intake manifold 75 via pressure inlet 74 and EGR device 111.Be drawn into the new gas (outside air) air-strainer 71 from strainer 72, after air-strainer 71 dedustings, being purified, via compressor housing 63 and EGR device 111, be sent to intake manifold 75.And, be supplied to each cylinder of diesel engine 20 from intake manifold 75.
As shown in Fig. 6 and Fig. 9, EGR device 111 is equipped with: EGR body housing (trap) 115, described EGR body housing mixes a part (coming from the EGR gas of gas exhaust manifold 64) for the exhaust of diesel engine 20 and new gas (outside air), feeds gas manifold 75 to supply; Air inlet shutter 116, described air inlet shutter 116 couples together pressure inlet 74 and EGR body housing 115; Exhaust gas recirculation pipe 118, described exhaust gas recirculation pipe 118 is as being connected to the return line on gas exhaust manifold 64 via cooler for recycled exhaust gas 117 (with reference to Fig. 5 and Fig. 8); EGR valve member 119, described EGR valve member 119 makes EGR body housing 115 be communicated with exhaust gas recirculation pipe 118.
, intake manifold 75 and air inlet shutter 116 are connected via EGR body housing 115.And the outlet side of the exhaust gas recirculation pipe 118 extending from gas exhaust manifold 64 is connected to EGR body housing 115 via EGR valve member 119.EGR valve member 119, is arranged in the aperture of its inner EGR valve (figure omits) by adjusting, the supply of the EGR gas that subtend EGR body housing 115 is supplied regulates.Cooler for recycled exhaust gas 117 is for the cooling EGR gas refluxing to intake manifold 75 from gas exhaust manifold 64, in form of implementation, is configured in the lower side of the gas exhaust manifold 64 in the front face side of cylinder block 59.The inlet side of exhaust gas recirculation pipe 118 is connected to side below gas exhaust manifold 64 via the cooler for recycled exhaust gas 117 of lower side that is positioned at gas exhaust manifold 64.
By said structure, on the one hand, from compressor housing 63 via air inlet shutter 116 the new gas to EGR body housing 115 interior supplied with pressurized, on the other hand, from gas exhaust manifold 64 via EGR valve member 119 to the interior supply EGR of EGR body housing 115 gas.Come from compressor housing 63 pressurization new gas and to come from the EGR gas of gas exhaust manifold 64 interior mixed at EGR body housing 115, afterwards, the mixed gas in EGR body housing 115 is supplied to intake manifold 75.; a part that is discharged to the exhaust of gas exhaust manifold 64 from diesel engine 20 is back to diesel engine 20 from intake manifold 75; whereby, the maximum combustion temperature while reducing high loaded process, the discharge capacity of the NOx (nitrogen oxide) that reduction is discharged from diesel engine 20.
On the other hand, on the top of diesel engine 20, except turbosupercharger 61 and EGR device 111, be also provided with the exhaust restriction means 121 of the exhaust pressure for regulating diesel engine 20 and the DPF65 (diesel exhaust gas smoke filter) as an example of the Exhaust gas purifying device of purified treatment exhaust.In addition, on the top of diesel engine 20, except turbosupercharger 61 and EGR device 111, be also provided with the exhaust restriction means 121 of the exhaust pressure for regulating diesel engine 20 and the DPF65 (diesel exhaust gas smoke filter) as an example of the Exhaust gas purifying device of purified treatment exhaust.In form of implementation, DPF65 is configured in the left oblique upper of cylinder head 60, in other words, is configured in the top of flywheel 84.Exhaust restriction means 121 is configured in the upper side of gas exhaust manifold 64 and is configured between turbosupercharger 61 and DPF65.That is, exhaust restriction means 121 is also the same with turbosupercharger 61, is placed near the position on gas exhaust manifold 64, and is connected and is bearing on gas exhaust manifold 64.
The exhaust extraction side of turbine shroud 62 is connected to the gas outlet portion of gas exhaust manifold 64.The exhaust extraction side of exhaust restriction means 121 is connected to the exhaust of turbine shroud 62 and discharges side.The exhaust of exhaust restriction means 121 is discharged side and is positioned on the distolateral exhaust inlet pipe 125 (describing in detail below) of the length direction one of DPF65 via being connected to exhaust connecting tube 122.Thereby the length direction one of DPF65 is distolateral to be connected on the gas exhaust manifold 64 that is bearing in high rigidity via turbosupercharger 61, exhaust connecting tube 122 and exhaust restriction means 121.
Exhaust restriction means 121 is for improving the exhaust pressure of diesel engine 20.; in the time that oil smoke (carbon deposit) is deposited on the carbon deposit filter 104 (describing after details) in DPF65; by improved the exhaust pressure of diesel engine 20 by the control of exhaust restriction means 121; the delivery temperature that makes to come from diesel engine 20 is high temperature, makes to be deposited in the grill burner on carbon deposit filter 104.Consequently, oil smoke disappears, and carbon deposit filter 104 is regenerated.
Usually, if be equipped with turbosupercharger 61 than DPF65 by exhaust-gas upstream side, the exhaust of high temperature is used to the pressurization of turbosupercharger 61, and the temperature of the exhaust of discharging from turbosupercharger 61 reduces.On the other hand, in form of implementation, owing to being equipped with exhaust restriction means 121 between the turbosupercharger 61 in vent systems and DPF65, so, rise by the pressure that utilizes the exhaust pressure that exhaust restriction means 121 produces, can eliminate the impact of the delivery temperature reduction being caused by turbosupercharger 61, make delivery temperature in high temperature.That is, can utilize the effect of exhaust restriction means 121 that carbon deposit filter 104 is regenerated, can keep rightly the exhaust gas purification ability of DPF65.In addition, do not need for being deposited in burner of the grill burner on carbon deposit filter 104 etc. yet.And then, in the time that diesel engine 20 is started, also improve exhaust pressure by the control that utilizes exhaust restriction means 121, making delivery temperature is high temperature, can also shorten the warming up time in diesel engine 20.In addition, because the length direction one distolateral (exhaust inlet pipe 125) of DPF65 of the left oblique upper (top of flywheel 84) that is configured in cylinder head 60 is connected on gas exhaust manifold 64 via turbosupercharger 61, so, make can be communicated with short distance via turbosupercharger 61 to DPF65 from gas exhaust manifold 64.Therefore, can do one's utmost to be suppressed at the reduction by arriving the delivery temperature of DPF65 after turbosupercharger 61, can utilize delivery temperature to carry out the regeneration of carbon deposit filter 104, easily keep rightly the exhaust gas purification ability of DPF65.
As the DPF65 of an example of Exhaust gas purifying device, for trapping particle-like substance (PM) of exhaust etc.As shown in Fig. 4～Fig. 9, the DPF65 of form of implementation be with the orthogonal direction of engine output shaft 83 on long form.And, above flywheel 84,, leave and configure from the upper surface of diesel engine 20 towards forming with the mode of the orthogonal direction (from front to back) of engine output shaft 83 with exhaust movement direction.
As shown in figure 10, the structure of DPF65 is, in the filter housings 101,102 of roughly tubular being built in the DPF shell 100 that heating resisting metal material manufactures, accommodate side by side to tandem the diesel oxidation catalysts 103 such as such as platinum and the carbon deposit filter 104 as the filter body of cellular structure.
One distolateral at the length direction of DPF shell 100, forms to face than diesel oxidation catalyst 103 and extracts opening 126 by the circular exhaust in the space of exhaust-gas upstream side.And the length direction one in the outer side surface of DPF shell 100 is distolateral, is being welded and fixed with exhaust and is extracting the exhaust inlet pipe 125 that opening 126 is communicated with.Exhaust inlet pipe 125 by bolton to discharging from the exhaust of exhaust restriction means 121 the exhaust connecting tube 122 that side extends (with reference to Fig. 8 and Fig. 9).
At the length direction of DPF shell 100, another is distolateral, forms and faces the circular exhaust discharge aperture 127 of specific volume carbon filter 104 by the space in exhaust downstream side.And, at the outer side surface of DPF shell 100, be provided with the exhaust exit pipe 128 being communicated with exhaust discharge aperture 127.As described in detail in Figure 10, exhaust exit pipe 128 forms the tubular of splitting towards upper shed.Rectangular-shaped open end 128b upward covers exhaust discharge aperture 127, and forms in the upwardly extending mode in the length at DPF shell 100 (front and back) side, is weldingly fixed on the outer side surface of DPF shell 100.
The forward end of the length direction middle part that is positioned at DPF shell 100 in exhaust exit pipe 128, is formed with the open end 128a down as exhaust stream outlet.The peripheral part of open end 128a is down welded with flange connector body 129.Flange connector body 129 is secured on the supporting station pedestal 131 (describing in detail below) being arranged on the left surface that is positioned at flywheel 84 tops in cylinder head 60.The open end 128a down of exhaust exit pipe 128 is arranged in the substantial middle portion of the length direction of DPF shell 100.Therefore, the length of DPF1 on exhaust movement direction has the halved size substantially of open end 128a down that clips exhaust exit pipe 128.
As shown in Fig. 4, Fig. 5 and Fig. 7, the exhaust of NOx purification mechanism 68 is extracted side and is connected to as the exhaust of DPF65 and discharges on the exhaust exit pipe 128 of side via relaying outlet pipe 67.Will describe in detail below, the terminal side (front side) of relaying outlet pipe 67 connects supporting station pedestal 131 and is communicated with the open end 128a down of exhaust exit pipe 128.Rear tail pipe 69 is connected to the exhaust of NOx purification mechanism 68 and discharges side.The exhaust that is discharged to gas exhaust manifold 64 from each cylinder of diesel engine 20 is admitted in DPF65 via turbine shroud 62 and the exhaust restriction means 121 of turbosupercharger 61, after by DPF65 purified treatment, be cleaned processing via NOx purification mechanism 68, be discharged into outside machine from rear tail pipe 69.
Nox purification mechanism 68, for by the NOx of exhaust (nitrogen oxide) reduction, makes it innoxious, and makes exhaust sound decay (noise reduction).As shown in figure 11, in the NOx of form of implementation purification mechanism 68, adopt the NOx as selective exposure reducing catalyst using urea water as reducing agent to remove catalyzer 105.The structure of NOx purification mechanism 68 is, being built in the filter housings 107,108 of the roughly tubular in the NOx catalyzer shell 106 that heating resisting metal material manufactures, holds side by side to tandem that NOx removes catalyzer 105 and ammonia is removed catalyzer 109.
In relaying outlet pipe 67, utilize urea water supply pump (omitting in figure) etc. to spray urea water from urea water container 66.The urea water container 66 of form of implementation makes full use of the clear area of inlet end 81 belows that are formed on sheller unit 5, arranges compactly on the position of front face side of the sheller unit 5 in body 1 that travels (with reference to Fig. 5).
As shown in Figures 4 and 5, relaying outlet pipe 67 rearward extends from the DPF65 of the left side side (top of flywheel 84) that is configured in diesel engine 20.Make the prolongation rear end side of relaying outlet pipe 67 under shed, the exhaust of NOx purification mechanism 68 is extracted to side and be connected on this relaying outlet pipe.And, between sheller unit 5 and grain case 7, rear tail pipe 69 is extended downwards from NOx purification mechanism 68.In the position lower than the lower surface of sheller unit 5 in body 1 of travelling, make the rearward opening of rear end side of rear tail pipe 69.
Make full use of and be formed at homework department's driving pulley 85, the clear area of the top of the driving pulley 87 that travels, DPF65 with the orthogonal direction of engine output shaft 83 on long posture be configured in the left oblique upper (top of flywheel 84) of cylinder head 60.And, high position side below the body 1 that travels of relaying outlet pipe 67 and rear tail pipe 69 left side side from diesel engine 20 is extended.That is, the prolongation rear end side downwardly facing opening of relaying outlet pipe 67, side is extracted in the exhaust that is connected to NOx purification mechanism 68.The forward end of rear tail pipe 69 is towards upper shed, and side is discharged in the exhaust that is connected to NOx purification mechanism 68.
Between sheller unit 5 and grain case 7, discharge the low posture of side with the exhaust extraction side exhaust high, NOx purification mechanism 68 of NOx purification mechanism 68, supporting obliquely NOx purification mechanism 68.Utilization is fixed on the relaying outlet pipe 67 and the rear tail pipe 69 that travel in body 1 grade and supports NOx purification mechanism 68, between sheller unit 5 and grain case 7, assembles NOx purification mechanism 68.Owing to NOx purification mechanism 68 not being directly connected to and travelling in body 1 grade, so, do not need the special supporting structures of NOx purification mechanism 68 such as bracket.In addition, can approach the bottom of grain case 7, the inlet end 81 ground assembling NOx purification mechanisms 68 of sheller unit 5.
As seen from Figure 4 and 5, due to the side in diesel engine 20, and in the position lower than the setting position of DPF65, configure NOx purification plant 68, so, can prevent simply that the water being produced by NOx purification mechanism 68 is to DPF65 side shifting.NOx purification mechanism 68, rear tail pipe 69 can be extracted to the setting such as bottom of side or grain case 7 near the sorting wind of sheller unit 5, the heating of NOx purification mechanism 68, rear tail pipe 69, for the heating of sorting wind or the grain case 7 etc. of sheller unit 5, can be improved to the harvest operation of moist material.
As seen from Figure 4, because the posture down of the exhaust discharge side with NOx purification mechanism 68 arranges NOx purification mechanism 68 obliquely, so, both suppressed the height that arranges of NOx purification mechanism 68, again can be to be conducive to posture supporting DPF65 or the NOx purification mechanism 68 of draining etc. of NOx purification mechanism 68.
As seen from Figure 4 and 5, because the exhaust from NOx purification mechanism 68 flows into side direction NOx purification mechanism 68 interior supply reducing agents (urea water), so, can prevent simply that reducing agent is to DPF65 side shifting.Can stop reducing agent to enter gas exhaust manifold 64 of diesel engine 20 etc.The exhaust system component of diesel engine 20 can be reduced because reducing agent corrodes, the durability of diesel engine 20, exhaust system component can be improved.
(4) details of the mounting structure of .DPF
Secondly,, with reference to Fig. 7 and Fig. 8, describe for the details of the mounting structure of DPF65.As at length represented in Fig. 7 and Fig. 8, the length direction central part of DPF65 is connected in cylinder head 60 via the supporting station pedestal 131 of the rigid structure as support foot body.In form of implementation, supporting station pedestal 131 is fastened on the left surface of the top that is positioned at flywheel 84 in cylinder head 60 by bolt 132.Removably the flange connector body 129 of exhaust exit pipe 128 is fastened on the upper surface of supporting station pedestal 131 from the bolt 133 of top by utilizing, can make with the orthogonal direction of engine output shaft 83 on the DPF65 of long posture be positioned at flywheel 84 above.Here, so-called " with the orthogonal direction of engine output shaft 83 ", is not limited to the direction that meets at right angles intersect completely, also comprises the concept of the direction (so-called roughly orthogonal) of the degree tilting slightly.
As previously described, the exhaust inlet pipe 125 that is positioned at the length direction one distolateral (toe lateral) of DPF65 (DPF shell 100) is discharged the exhaust connecting tube 122 of side extension to the exhaust from exhaust restriction means 121 by bolton.The length direction one of DPF65 is distolateral to be connected on the gas exhaust manifold 64 that is bearing in high rigidity via turbosupercharger 61, exhaust connecting tube 122 and exhaust restriction means 121.Cross over the outer surface outstanding soldered length direction another distolateral (rear side) that is fixed to DPF65 (DPF shell 100) of body flange 134 downwards of exhaust exit pipe 128.The lower end side of body flange 130 is fastened to the top, rear surface of supporting station pedestal 131 removably by the bolt 135 from rear., by utilizing the three-point support of exhaust connecting tube 122, supporting station pedestal 131 and body flange 134 of gas exhaust manifold 64 sides, by high above-mentioned DPF65 rigidity and stably connect the top that is bearing in diesel engine 20.
As seen from Figure 8, the supporting station pedestal 131 of form of implementation is divided to be configured to respectively the pairing left and right of surrounding the outer circumferential face of the terminal side (front side) of relaying outlet pipe 67 with half cycle and to split portion 137,138.Two of left and right are split portion 137,138 (supporting station pedestal 131) and are fastened to removably by the bolt 132 that comes from left on the left surface of top of the flywheel 84 that is arranged in cylinder head 60 with the state of the terminal side that clips relaying outlet pipe 67.
Split two of utilization left and right under the state of base end part of portion 137,138 (supporting station pedestal 131) clamping relaying outlet pipe 67, two from left and right rear surfaces of splitting portion 137,138 (supporting station pedestal 131) of the terminal side of relaying outlet pipe 67 connect to upper surface, with exhaust exit pipe 128 towards open end 128a be communicated with.Two retaining parts of splitting the relaying outlet pipe 67 in portion 137,138 (supporting station pedestal 131) in left and right form the exhaust relay route 139 that open end 128a down and the relaying outlet pipe 67 of exhaust exit pipe 128 are coupled together.
Portion 137,138 is split in two of the left and right of form of implementation, in the below of the retaining part (exhaust relay route 139) of relaying outlet pipe 67, the mode of also surrounding separately the outer circumferential face of the middle part of exhaust gas recirculation pipe 118 with half cycle.Thereby the terminal side of portion's 137,138 clamping relaying outlet pipes 67 and the middle part of exhaust gas recirculation pipe 118 are split in two of left and right that are fastened to the left surface of cylinder head 60.Two from left and right of the middle parts of exhaust gas recirculation pipe 118 split portion 137,138 below to connecting above.Two retaining parts of splitting the exhaust gas recirculation pipe 118 in portion 137,138 in left and right become EGR relay route 140, and described EGR relay route 140 forms a part for the return line (exhaust gas recirculation pipe 118) from gas exhaust manifold 64 to intake manifold 75.
(5). sum up
As found out in the explanation from above and Fig. 7～Fig. 9, because DPF65 becomes form long in the direction of intersecting with engine output shaft 83, the supporting station pedestal 131 of supporting DPF65 in the cylinder head 60 of diesel engine 20, is equipped with, the length direction central part of DPF65 is connected in cylinder head 60 via supporting station pedestal 131, so, can utilize supporting station pedestal 131 to support near the center of gravity of DPF65, can stable support DPF65.That is, can utilize as the cylinder head 60 of the high rigid element of diesel engine 20 and the high rigidity of supporting station pedestal 131 and stably support DPF65, can suppress to wait due to vibration the damage of the DPF65 causing.
And, owing to can DPF65 being assembled in diesel engine 20 and being dispatched from the factory at the manufacturing site location of diesel engine 20, so, have advantages of and can concentrate and form compactly diesel engine 20 and DPF65.
As from finding out Fig. 4～Fig. 9, because supporting station pedestal 131 is arranged on the left surface of the top of the flywheel 84 that is arranged in cylinder head 60, DPF65 is configured in the top of flywheel 84, so, can effectively utilize and (for example be formed on the carry-out part that is connected with flywheel 84, such as the power system of homework department's driving pulley 85, the combine-harvesters such as driving pulley 87 that travel etc.) the free space of top, can configure DPF65 near diesel engine 2.In other words, the rigging position of DPF65 can not become obstacle for the carry-out part being connected with flywheel 84.Thereby, in this, also diesel engine 20 and DPF65 can be concentrated and form compactly, can realize the compactness with the engine compartment 79 of the combine-harvester of the assembling object of the diesel engine 20 of this DPF65, and then, realize the compactness of whole combine-harvester.
As found out from Fig. 7 and Fig. 8, due to one side, distolateral gas exhaust manifold 64 sides that are connected to of length direction one of DPF65, on the other hand, another is distolaterally connected to the length direction of DPF65 on supporting station pedestal 131 via body flange 134, so, by utilizing the three-point support of gas exhaust manifold 64, supporting station pedestal 131 and body flange 134, can high rigidity and stably DPF65 is connected to the top that supports to diesel engine 20.Thereby, bring into play high effect for the damage that prevents the DPF1 causing due to vibration etc.
As from finding out Fig. 7 and Fig. 8, at the length direction central part of DPF65, be formed with the open end 128a down as the exhaust exit pipe 128 of exhaust stream outlet, on supporting station pedestal, be equipped with the exhaust relay route 139 being communicated with open end 128a down.Therefore, the ratio DPF65 the vent systems of extending from gas exhaust manifold 64 is by a part of parts (base end part of relaying outlet pipe 67) in exhaust downstream side, integrated with supporting station pedestal 131.That is, because the ratio DPF65 in parts and the vent systems of supporting DPF65 puts together by a part of parts in exhaust downstream side, so, can reduce to the number of the assembling procedure of assembling in diesel engine 20, and, assembling operation can be improved.In addition, can reduce the number of parts.
As from finding out Fig. 7 and Fig. 8, owing to being equipped with EGR relay route 140 on supporting station pedestal 131, described EGR relay route 140 forms a part for the exhaust gas recirculation pipe 118 that gas exhaust manifold 64 and intake manifold 75 are coupled together, so, can not use the superjacent air space of diesel engine 20 (cylinder head 60), and install around compactly exhaust gas recirculation pipe 118 along the periphery (front, left, trailing flank) of diesel engine 20.
As from finding out Fig. 7 and Fig. 8, supporting station pedestal 131 is arranged on the left surface of cylinder head 60, DPF65 is configured in the top of flywheel 84, in supporting station pedestal 131, below exhaust relay route 139, be provided with EGR relay route 140, so, by and large, the vent systems of extending from gas exhaust manifold 64 is positioned at the upper side of diesel engine 20, and the exhaust gas recirculation pipe 118 associated with EGR device 111 is positioned at the downside of vent systems., vent systems and the position relationship of exhaust gas recirculation pipe 118 separate upper and lower in diesel engine 20 by and large.Therefore, without undue care assembling sequence, just vent systems, exhaust gas recirculation pipe 118 can be assembled in diesel engine 20 simply, can improve assembling operation.
As shown in Figure 5, Figure 6, Figure 8 and 9, due to one side, the length direction central part of DPF65 is connected in cylinder head 60 via supporting station pedestal 131, on the other hand, the length direction one of DPF65 is distolateral to be connected on gas exhaust manifold 64 via turbosupercharger 61 and exhaust restriction means 121, so, can utilize the effect of turbosupercharger 61 to suppress the exhaust pulsation of diesel engine 20.
In addition, if be equipped with turbosupercharger 61 than DPF65 by exhaust-gas upstream side, reduce through the delivery temperature of turbosupercharger 61.On the other hand, in form of implementation, owing to being also equipped with exhaust restriction means 121 between the gas exhaust manifold 64 in vent systems and DPF65, so, utilize the effect of exhaust restriction means 121, can eliminate the impact of the delivery temperature reduction being caused by turbosupercharger 61, can make delivery temperature in high temperature.Thereby, be easy to DPF65 to remain on appropriate temperature, the exhaust gas purification processing in DPF65 is remained on to high efficiency state.In addition, because the length direction one distolateral (exhaust inlet pipe 125) of DPF65 of the left oblique upper (top of flywheel 84) that is configured in cylinder head 60 is connected on gas exhaust manifold 64 via turbosupercharger 61, so, can make to be communicated with short distance via turbosupercharger 61 to DPF65 from gas exhaust manifold 64.Therefore, can do one's utmost to be suppressed at the reduction by arriving the delivery temperature of DPF65 after turbosupercharger 61, can utilize delivery temperature that carbon deposit filter 104 is regenerated, be easy to keep rightly the exhaust gas purification ability of DPF65.
Particularly, in form of implementation, due to the length direction one at DPF65 is distolateral and turbosupercharger 61 between configure exhaust restriction means 121, so, can utilize the effect of exhaust restriction means 121 effectively to supply the reduction of the delivery temperature being caused by turbosupercharger 61, make delivery temperature in high temperature.Thereby, can highi degree of accuracy implement the adjusting of the delivery temperature to DPF65.
As seen from Figure 5, Figure 6, 8 and 9, due to one side, DPF65 is configured in the top of flywheel 84, on the other hand, turbosupercharger 61 and exhaust restriction means 121 are by gas exhaust manifold 64 top configurations, so, extend from vent systems outside along cylinder head 60 plane view of gas exhaust manifold 64 to DPF65.Therefore, can effectively utilize the superjacent air space of diesel engine 20 (cylinder head 60), install around compactly the gas handling system to intake manifold 75 via turbosupercharger 61.
As seen from Figures 5 and 8 as seen, in the lower side of gas exhaust manifold 64, dispose the cooler for recycled exhaust gas 117 for the cooling EGR gas refluxing to intake manifold 75 from gas exhaust manifold 64.; due to the front face side of gas exhaust manifold 64 sides in diesel engine 20; turbosupercharger 61 and exhaust restriction means 121 and cooler for recycled exhaust gas 117 clip gas exhaust manifold separate configuration Shang Xia 64; so; in considering the matched tube structure of turbosupercharger 61 and exhaust restriction means 121 and cooler for recycled exhaust gas 117, can form compactly and on fore-and-aft direction (with the orthogonal direction of engine output shaft 83), occupy space in diesel engine 20.
(6). other
The application's invention is not limited to aforementioned form of implementation, can be embodied as various forms.For example, be not limited to aforesaid combine-harvester according to the engine device of the present application, can be widely used in the various engineering vehicles such as the special engineering-use vehicle such as the agricultural working machines such as tractor, fork truck, backhoe excavator.In addition, the structure of each portion is not limited to the form of implementation shown in figure, in the scope of purport of invention that does not exceed the application, can carry out all changes.
Description of reference numerals
20 diesel engine
60 cylinder head
61 turbosupercharger
64 gas exhaust manifolds
65 DPF as Exhaust gas purifying device
67 relaying outlet pipes
75 intake manifold
83 engine output shafts
84 flywheels
117 coolers for recycled exhaust gas
The 118 exhaust gas recirculation pipes as return line
121 exhaust restriction means
128a is as the open end down of exhaust stream outlet
The 131 supporting station pedestals as support foot body
134 body flanges
139 exhaust relay route
140 EGR relay route.
Claims (9)
1. working truck carries an engine device for use, is equipped with: the Exhaust gas purifying device that there is the motor of intake manifold and gas exhaust manifold and the exhaust of discharging from aforementioned row's manifold is purified, wherein,
On aforementioned motor, be equipped with the support foot body of the aforementioned Exhaust gas purifying device of supporting, by aforementioned Exhaust gas purifying device being connected to the upper surface of aforementioned support foot body, make aforementioned Exhaust gas purifying device with the posture configuration long with the orthogonal direction of engine output shaft,
On the body that travels at aforementioned working truck by aforementioned engine configurations time, below the aforementioned driver's seat travelling on body, configure aforementioned motor.
2. working truck carries an engine device for use, is equipped with: the Exhaust gas purifying device that there is the motor of intake manifold and gas exhaust manifold and the exhaust of discharging from aforementioned row's manifold is purified, wherein,
By flywheel and cooling blower separate configuration in the bi-side of aforementioned motor,
On aforementioned motor, be equipped with the support foot body of the aforementioned Exhaust gas purifying device of supporting, by aforementioned Exhaust gas purifying device being connected to the upper surface of aforementioned support foot body, make aforementioned Exhaust gas purifying device with the posture configuration long with the orthogonal direction of engine output shaft,
Using the direct of travel of aforementioned working truck as fore-and-aft direction, on the body that travels at aforementioned working truck by aforementioned engine configurations time, make aforementioned flywheel be positioned at the left and right center side of the aforementioned body that travels, and make aforementioned cooling blower be positioned at the right side of the aforementioned body that travels.
3. working truck as claimed in claim 1 or 2 carries the engine device of use, wherein, also has pressurized machine, and this pressurized machine is by the exhaust gas drive of discharging from aforementioned gas exhaust manifold,
And, support aforementioned Exhaust gas purifying device by aforementioned support foot body at aforementioned external engine,
The distolateral exhaust inlet pipe of length direction one of being located at aforementioned Exhaust gas purifying device is communicated with the exhaust discharge side of the turbine shroud of aforementioned pressurized machine, aforementioned Exhaust gas purifying device is linked and is supported on aforementioned gas exhaust manifold.
4. working truck carries an engine device for use, and it is equipped on combine-harvester, and this combine-harvester is configured in Drive Section in the front portion of the body that travels the side of a part for reaping apparatus, wherein,
Aforementioned engine device also has the motor of the aforementioned Drive Section below that is configured in the aforementioned body that travels and the Exhaust gas purifying device for the exhaust of discharging from aforementioned motor is purified,
Aforementioned Exhaust gas purifying device is along being configured in from aforementioned Drive Section to the outstanding position of aforementioned reaping apparatus with the orthogonal direction of the direct of travel of the aforementioned body that travels.
5. working truck as claimed in claim 4 carries the engine device of use, wherein,
Also have rear tail pipe, this rear tail pipe is discharged side with the exhaust of Exhaust gas purifying device and is connected, and extends and arrange along the direct of travel of the aforementioned body that travels,
Making aforementioned engine output shaft is the direction orthogonal with the direct of travel of the aforementioned body that travels,
Aforementioned Exhaust gas purifying device is linked to aforementioned cylinder head via aforementioned support foot body and becomes in the form long with the orthogonal direction of the output shaft of aforementioned motor, is configured in the top of aforementioned motor,
The rear end side of aforementioned rear tail pipe in the low position of the lower surface of the aforementioned sheller unit of ratio of the aforementioned body that travels towards rear opening.
6. combine-harvester carries an engine device for use, and it is equipped on combine-harvester, and this combine-harvester disposes reaping apparatus and sheller unit at the body that travels, wherein,
Aforementioned engine device has as the motor of power source and the Exhaust gas purifying device for the exhaust of discharging from aforementioned motor is purified,
Aforementioned Exhaust gas purifying device is configured in the form long with the orthogonal direction of the output shaft of aforementioned motor above aforementioned motor.
7. combine-harvester as claimed in claim 6 carries the engine device of use, wherein,
Making aforementioned engine output shaft is the direction orthogonal with the direct of travel of the aforementioned body that travels,
The support foot body that is equipped with the aforementioned Exhaust gas purifying device of supporting in the aforementioned cylinder head of aforementioned motor, aforementioned Exhaust gas purifying device is linked to aforementioned cylinder head via aforementioned support foot body.
8. combine-harvester carries an engine device for use, and it is equipped on combine-harvester, and this combine-harvester is configured in Drive Section in the front portion of the body that travels the side of a part for reaping apparatus, wherein,
Aforementioned engine device also has the motor of the aforementioned Drive Section below that is configured in the aforementioned body that travels and the Exhaust gas purifying device for the exhaust of discharging from aforementioned motor is purified,
Aforementioned Exhaust gas purifying device is along being configured in the position as the middle position of aforementioned mobile devices with the orthogonal direction of the direct of travel of the aforementioned body that travels.
9. combine-harvester as claimed in claim 8 carries the engine device of use, wherein,
The air-strainer that aforementioned engine device also has the support foot body of the aforementioned Exhaust gas purifying device of supporting and is positioned at aforementioned motor top and is configured in the side of the aforementioned body that travels and is connected with the air inlet side of aforementioned motor,
Aforementioned Exhaust gas purifying device is linked to aforementioned cylinder head via aforementioned support foot body and becomes in the form long with the orthogonal direction of the output shaft of aforementioned motor, is configured in the top of aforementioned motor.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009062905A JP5443027B2 (en) | 2009-03-16 | 2009-03-16 | Engine equipment |
| JP2009-062905 | 2009-03-16 | ||
| CN201080012105.9A CN102356223B (en) | 2009-03-16 | 2010-02-18 | Engine device |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080012105.9A Division CN102356223B (en) | 2009-03-16 | 2010-02-18 | Engine device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103982296A true CN103982296A (en) | 2014-08-13 |
| CN103982296B CN103982296B (en) | 2017-06-23 |
Family
ID=42739535
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410241243.4A Pending CN103982286A (en) | 2009-03-16 | 2010-02-18 | Combine-harvester |
| CN201310242367.XA Expired - Fee Related CN103277180B (en) | 2009-03-16 | 2010-02-18 | Engine device |
| CN201080012105.9A Expired - Fee Related CN102356223B (en) | 2009-03-16 | 2010-02-18 | Engine device |
| CN201410241856.8A Active CN103982296B (en) | 2009-03-16 | 2010-02-18 | The engine device of working truck carrying |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410241243.4A Pending CN103982286A (en) | 2009-03-16 | 2010-02-18 | Combine-harvester |
| CN201310242367.XA Expired - Fee Related CN103277180B (en) | 2009-03-16 | 2010-02-18 | Engine device |
| CN201080012105.9A Expired - Fee Related CN102356223B (en) | 2009-03-16 | 2010-02-18 | Engine device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5443027B2 (en) |
| CN (4) | CN103982286A (en) |
| WO (1) | WO2010106869A1 (en) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5649895B2 (en) * | 2010-09-29 | 2015-01-07 | ヤンマー株式会社 | Engine equipment |
| JP5667523B2 (en) * | 2011-06-10 | 2015-02-12 | 株式会社クボタ | Harvesting machine |
| KR101988412B1 (en) * | 2011-06-10 | 2019-06-12 | 가부시끼 가이샤 구보다 | Harvester |
| JP2013188174A (en) * | 2012-03-14 | 2013-09-26 | Yanmar Co Ltd | Combine harvester |
| CN104519732B (en) * | 2012-08-08 | 2017-09-26 | 洋马株式会社 | Working rig carrying engine device |
| JP6065763B2 (en) * | 2013-06-27 | 2017-01-25 | スズキ株式会社 | Exhaust gas recirculation device for vehicle engine |
| JP6163447B2 (en) * | 2013-09-26 | 2017-07-12 | 株式会社クボタ | engine |
| KR20160070060A (en) * | 2013-10-25 | 2016-06-17 | 얀마 가부시키가이샤 | Engine device for work vehicle |
| JP6090208B2 (en) * | 2014-02-27 | 2017-03-08 | マツダ株式会社 | Engine exhaust system |
| JP5865474B2 (en) * | 2014-12-11 | 2016-02-17 | 株式会社クボタ | Harvesting machine |
| CN112056079A (en) * | 2015-03-04 | 2020-12-11 | 洋马动力科技有限公司 | Combine harvester |
| JP6602031B2 (en) * | 2015-03-27 | 2019-11-06 | ヤンマー株式会社 | Combine |
| KR102607688B1 (en) * | 2015-03-13 | 2023-11-30 | 가부시끼 가이샤 구보다 | Combine |
| JP6475569B2 (en) * | 2015-05-22 | 2019-02-27 | ヤンマー株式会社 | Engine equipment |
| CN108289412B (en) * | 2015-12-11 | 2021-04-27 | 洋马动力科技有限公司 | Combine harvester |
| JP6505010B2 (en) * | 2015-12-22 | 2019-04-24 | 株式会社クボタ | Harvester |
| JP6731876B2 (en) * | 2017-03-24 | 2020-07-29 | ヤンマーパワーテクノロジー株式会社 | Engine equipment |
| JP6675346B2 (en) * | 2017-03-24 | 2020-04-01 | ヤンマー株式会社 | Engine equipment |
| JP6737741B2 (en) * | 2017-06-15 | 2020-08-12 | ヤンマーパワーテクノロジー株式会社 | engine |
| JP6256817B1 (en) * | 2017-06-29 | 2018-01-10 | 井関農機株式会社 | Combine |
| JP6521005B2 (en) * | 2017-08-24 | 2019-05-29 | マツダ株式会社 | Automobile |
| JP6625159B2 (en) * | 2018-04-27 | 2019-12-25 | 株式会社クボタ | Harvester |
| EP3730756B1 (en) * | 2019-04-26 | 2021-09-22 | Kubota Corporation | Exhaust system for engine |
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| CN1121983A (en) * | 1993-12-18 | 1996-05-08 | 代智 | Single-cylinder double-piston IC engine |
| CN1123361A (en) * | 1994-10-03 | 1996-05-29 | 本田技研工业株式会社 | A vertical engine |
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| WO2008026550A1 (en) * | 2006-08-28 | 2008-03-06 | Yanmar Co., Ltd. | Combine |
| JP2008196315A (en) * | 2007-02-08 | 2008-08-28 | Iseki & Co Ltd | Diesel engine |
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| JPS58114821U (en) * | 1982-01-29 | 1983-08-05 | ヤンマーディーゼル株式会社 | Exhaust system for engine for work equipment |
| JPH09109995A (en) * | 1995-10-18 | 1997-04-28 | Sanshin Ind Co Ltd | Engine for outboard motor |
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| JP4957374B2 (en) * | 2007-05-15 | 2012-06-20 | いすゞ自動車株式会社 | vehicle |
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| JP5579453B2 (en) * | 2010-01-09 | 2014-08-27 | 日立建機株式会社 | Construction machinery |
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2010
- 2010-02-18 CN CN201410241243.4A patent/CN103982286A/en active Pending
- 2010-02-18 CN CN201310242367.XA patent/CN103277180B/en not_active Expired - Fee Related
- 2010-02-18 CN CN201080012105.9A patent/CN102356223B/en not_active Expired - Fee Related
- 2010-02-18 WO PCT/JP2010/052453 patent/WO2010106869A1/en active Application Filing
- 2010-02-18 CN CN201410241856.8A patent/CN103982296B/en active Active
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| CN1111716A (en) * | 1993-09-17 | 1995-11-15 | 株式会社久保田 | Engine with mechanical governor |
| CN1121983A (en) * | 1993-12-18 | 1996-05-08 | 代智 | Single-cylinder double-piston IC engine |
| CN1123361A (en) * | 1994-10-03 | 1996-05-29 | 本田技研工业株式会社 | A vertical engine |
| JP2004340114A (en) * | 2003-05-19 | 2004-12-02 | Hitachi Constr Mach Co Ltd | Muffler support device |
| WO2008026550A1 (en) * | 2006-08-28 | 2008-03-06 | Yanmar Co., Ltd. | Combine |
| JP2008196315A (en) * | 2007-02-08 | 2008-08-28 | Iseki & Co Ltd | Diesel engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103277180A (en) | 2013-09-04 |
| CN102356223B (en) | 2014-07-02 |
| CN102356223A (en) | 2012-02-15 |
| JP2010216333A (en) | 2010-09-30 |
| WO2010106869A1 (en) | 2010-09-23 |
| CN103982286A (en) | 2014-08-13 |
| JP5443027B2 (en) | 2014-03-19 |
| CN103277180B (en) | 2015-09-23 |
| CN103982296B (en) | 2017-06-23 |
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