CN207604215U - The grain box of combine harvester - Google Patents
The grain box of combine harvester Download PDFInfo
- Publication number
- CN207604215U CN207604215U CN201721511943.6U CN201721511943U CN207604215U CN 207604215 U CN207604215 U CN 207604215U CN 201721511943 U CN201721511943 U CN 201721511943U CN 207604215 U CN207604215 U CN 207604215U
- Authority
- CN
- China
- Prior art keywords
- scr catalyst
- grain box
- recess portion
- combine harvester
- doc
- 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.)
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- 239000003054 catalyst Substances 0.000 claims abstract description 58
- 239000007789 gas Substances 0.000 claims abstract description 48
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims abstract description 15
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 5
- 238000009825 accumulation Methods 0.000 abstract description 3
- WTHDKMILWLGDKL-UHFFFAOYSA-N urea;hydrate Chemical compound O.NC(N)=O WTHDKMILWLGDKL-UHFFFAOYSA-N 0.000 description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 238000002347 injection Methods 0.000 description 9
- 239000007924 injection Substances 0.000 description 9
- 238000003306 harvesting Methods 0.000 description 7
- 239000000446 fuel Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000009975 flexible effect Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000012216 screening Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 239000004202 carbamide Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- DOTMOQHOJINYBL-UHFFFAOYSA-N molecular nitrogen;molecular oxygen Chemical compound N#N.O=O DOTMOQHOJINYBL-UHFFFAOYSA-N 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Combines (AREA)
Abstract
The utility model provides the grain box of combine harvester, can reduce bar and consider the influence of the accumulation to DOC and SCR catalyst, hot gas to manoeuvre portion to be worth doing, and reduce the reduction of the grain storage capacity associated with the carrying of DOC and SCR catalyst, to improve operating efficiency.The grain box of the combine harvester, it is mounted in the left and right side for the organism frame (1) for being provided with engine (E), in the recess portion (19) that the DOC (21) that the unburned gas that the lower front of the grain box (7) is formed in the exhaust gas for making the engine (E) is aoxidized is entered with the posture of the exhaust gas circulating direction towards upper and lower directions.In addition, the SCR catalyst (22) that will be purified by the nitrogen oxides in the exhaust gas after the DOC (21) is restored using ammonia with the exhaust gas circulating direction towards body posture configuration in the front-back direction the recess portion (19) downside.
Description
Technical field
The utility model is related to have the grain box of the combine harvester of waste gas purification apparatus.
Background technology
It has been known that there is following technologies in existing combine harvester, and emission-control equipment, emission-control equipment tool is arranged
The standby DOC with the catalyst aoxidized to the unburned gas in the exhaust gas after engine combustion and to after by DOC
The SCR catalyst (patent document 1) that nitrogen oxides in exhaust gas is purified.
Existing technical literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2016-131547 bulletins
However, in the technology of patent document 1, DOC is arranged to opposed with sheller unit and makes exhaust gas circulating direction court
Posture vertically, so that SCR catalyst is arranged the posture of exhaust gas circulating direction towards body wide direction (left and right directions)
In the upside of the grain box of stored grain, DOC the and SCR catalyst for thus becoming high temperature exposes to the higher position of body, no
But in influence to manoeuvre portion of accumulation, hot gas of bar bits etc., there are problems, and exist be difficult to by DOC and SCR catalyst to
The problem of body carries.
On the other hand, the lower curtate on the organism frame configured DOC and SCR catalyst between sheller unit and grain box
In the case of, the space between the sheller unit and grain box is narrow, therefore considers up and down to configure DOC and SCR catalyst side by side.
In this case it is however necessary to make the inclined floor for the lower part for being formed in grain box along the longitudinal direction and a left side
Right direction is significantly recessed, and so that DOC and SCR catalyst is entered recess portion, the capacity that grain box is generated due to the formation of the recess portion is subtracted
Less, the problem of harvesting threshing operations efficiency declines.
Utility model content
Therefore, the main project of the utility model is, provide can reduce the accumulation considered to be worth doing to the bar of DOC and SCR catalyst,
Influence of the hot gas to manoeuvre portion, and can reduce with the reduction of the associated grain storage capacity of carrying of DOC and SCR catalyst to
Improve the grain box of the combine harvester of operating efficiency.
The utility model solves the above subject using following scheme.
That is, the utility model recorded in scheme 1 is a kind of grain box of combine harvester, it is mounted in and is provided with engine E
Organism frame 1 left and right side, the grain box of the combine harvester is characterized in that, in the lower front of the grain box 7
The DOC21 that the unburned gas being formed in the exhaust gas for making the engine E is aoxidized is with the exhaust gas circulating direction towards upper
The recess portion 19 that the posture in lower direction enters.
Utility model recorded in scheme 2 will pass through the nitrogen oxygen in the exhaust gas after the DOC21 on the basis of scheme 1
The SCR catalyst 22 that compound is purified using ammonia reduction is with the exhaust gas circulating direction towards body posture configuration in the front-back direction in institute
State the downside of recess portion 19.
Utility model recorded in scheme 3 will connect exhaust outflux and the institute of the DOC21 on the basis of scheme 2
The connecting tube 12 for stating the exhaust inflow entrance of SCR catalyst 22 configures in the recess portion 19.
Utility model recorded in scheme 4 is connect on the basis of scheme 3 with the exhaust outflux of the SCR catalyst 22
Exhaust pipe 26 lower part configure in the recess portion 19.
Utility model recorded in scheme 5 is on the basis of scheme 4, described in vertical view in the recess portion 19
The lower part of exhaust pipe 26 intersects with the connecting tube 12.
The utility model has the following effects that.
According to the utility model recorded in scheme 1, being formed in the lower front of the grain box 7 makes the engine E's
The recess portion that the DOC21 that unburned gas in exhaust gas is aoxidized is entered with the posture of the exhaust gas circulating direction towards upper and lower directions
19, so the DOC21 as high temperature is configured in the lower position of body, and also the recess portion 19 by entering grain box 7, bar bits
It is difficult to accumulate, and reduces influence of the hot gas to manoeuvre portion.In addition, the grain box 7 brought by the formation of recess portion 19 can be reduced
The decrement of capacity can improve the efficiency of harvesting threshing operations.
According to the utility model recorded in scheme 2, except the effect of the utility model recorded in scheme 1, will pass through
The nitrogen oxides in exhaust gas after DOC21 restored using ammonia and the SCR catalyst 22 that purifies with the exhaust gas circulating direction towards body
Posture configuration in the front-back direction is in the downside of recess portion 19, so the SCR catalyst 22 as high temperature is configured in the lower position of body
It sets, bar bits are difficult to accumulate, and influence of the hot gas to manoeuvre portion tails off.
According to the utility model recorded in scheme 3, except the effect of the utility model recorded in scheme 2, will connect
The connecting tube 12 of the exhaust outflux of DOC21 and the exhaust inflow entrance of SCR catalyst 22 configures in recess portion 19, so bar bits are difficult to
It is deposited in the connecting tube 12 as high temperature, influence of the hot gas to manoeuvre portion tails off.In addition, the connecting tube can be constituted shortlyer
12, the reduction for the delivery temperature for flowing into SCR catalyst 22 is reduced, the exhaust gas purification of the SCR catalyst 22 can suitably be maintained to act on.
According to the utility model recorded in scheme 4, except the effect of the utility model recorded in scheme 3, with SCR catalyst
The lower part of the exhaust pipe 26 of 22 exhaust outflux connection configures in recess portion 19, so bar bits are difficult to be deposited in as high temperature
The lower part of exhaust pipe 26, influence of the hot gas to manoeuvre portion also tail off.
According to the utility model recorded in scheme 5, except the effect of the utility model recorded in scheme 4, in recess portion 19
It is interior, intersect in the lower part of vertical view exhaust pipe 26 and connecting tube 12, so the allocation position of exhaust pipe 26 and connecting tube 12
Degree of freedom improve.
Description of the drawings
Fig. 1 is the left view of combine harvester.
Fig. 2 is the right view of combine harvester.
Fig. 3 is the right view for illustrating emission-control equipment.
Fig. 4 is the vertical view for illustrating emission-control equipment.
Fig. 5 is the rearview for illustrating emission-control equipment.
Fig. 6 is the left view for illustrating DOC and SCR.
Fig. 7 is the vertical view of Fig. 6.
Fig. 8 is the upward view of Fig. 6.
Fig. 9 is the front view of Fig. 6.
Figure 10 is the rearview of Fig. 6.
Figure 11 is the right view for illustrating DOC and SCR.
Figure 12 is the left view for the recess portion for illustrating grain box.
Figure 13 is the rearview for the recess portion for illustrating grain box.
Figure 14 is the right view for illustrating to transport the driving section of spiral.
Figure 15 is the rearview of Figure 14.
In figure：1- organism frames, 7- grain boxes, the second connecting tubes of 12- (connecting tube), 19- recess portions, 21-DOC, 22-SCR
Catalyst, E- engines.
Specific implementation mode
The utility model is illustrated with reference to attached drawing.In addition, from operator's angle, using front as front side, after
It is just right side for rear side, with right-hand side, is illustrated with easily indicating direction so that left-hand side is left side.
As shown in Figure 1, 2, combine harvester the downside of organism frame 1 be provided with soil face travel by pair of right and left
The mobile devices 2 that crawler belt is constituted are provided with the harvesting device 3 of the paddy bar in harvesting farmland in the front side of organism frame 1, are filled in harvesting
The rear side left part for setting 3 is provided with the sheller unit 4 that threshing Screening Treatment is carried out to gathering in the paddy bar come, in harvesting device 3
Rear side right part is provided with the manoeuvre portion 5 taken for operator.
It is provided with the engine room 6 for carrying engine E in the downside of manoeuvre portion 5, the rear side of manoeuvre portion 5 is provided with storage
The grain box 7 for having carried out the grain of threshing Screening Treatment, the rear side of grain box 7 be provided with by grain be discharged to outside by
The vertical setting of types vertically extended go out a 8A and extend along the longitudinal direction it is horizontally-arranged go out tin 8B composition discharge spiral 8.
As seen in figures 3-5, a left side for lower part (No.1 transfers the outlet of spiral-tube) and grain box 7 of the right wall of sheller unit 4
The top of wall 7B by by the grain that threshing Screening Treatment has been carried out from sheller unit 4 transported to grain box 7 winnow cylinder 9 by
Connection.In addition, sheller unit 4 right wall raise up grain silo 9 rear side position, be provided with by No. two objects such as rough grain to threshing fill
Set No. two cylinders 10 of winnowing that 4 screening plant transports again.
Exhaust gas after engine E burnings is expelled to outer after the impurity in purifying exhaust gas using emission-control equipment 20
Portion.Emission-control equipment 20 includes as the DOC21 of the catalyst of the unburned gas in oxidation gaseous effluent and by from aqueous solution of urea
The SCR catalyst that the ammonia that (hereinafter referred to as urea water) generates purifies the nitrogen oxides reduction in the exhaust gas being discharged from DOC21
22, and it is provided with the second connecting tube (" connection in scheme to the inflow entrance of the outflux and SCR catalyst 22 of connection DOC21
Pipe ") injection apparatus (dispensing module) 23 of injection urea waters in 12, the feedway that supplies to injection apparatus 23 urea water (supply
Material module) 24 and store the urea water tank 25 of the urea water supplied to feedway 24.
As shown in Fig. 6~11, DOC21 is matched with the posture of length direction (" the exhaust gas circulating direction " of scheme) towards upper and lower directions
It sets, with length direction (" the exhaust gas circulating direction " of scheme) towards body posture configuration in the front-back direction, DOC21 is set SCR catalyst 22
Set the left side in the front of SCR catalyst 22.In addition, DOC21, which is fixed on, is arranged vertically extending on the right side of DOC21
First support member 31, SCR catalyst 22 are fixed on the second support portion for being arranged and extending along the longitudinal direction in the downside of SCR catalyst 22
Part 32.
The left-hand portion of the front of the second support member 32 is fixed in the lower part of first support member 31, and forms side view and be
The support member 30 of L-shaped shape.In addition, support member 30 is detachably fixed on body frame by retention mechanisms such as bolts
The position of the upper right of the front of frame 1.Thereby, it is possible to easily pacify DOC21 and SCR catalyst 22 via support member 30
Loaded on organism frame 1.Furthermore it is preferred that in vertical view, DOC21 is arranged at the center of the left and right wide direction of organism frame 1
Near the right side of line CL.Thereby, it is possible to effectively utilize the space being formed between sheller unit 4 and grain box 7.
In body main view, the part of the right part of DOC21 towards the upside of the left part of SCR catalyst 22,
The lower end of DOC21 is located at the middle part of the upper and lower directions of SCR catalyst 22.In addition, in body side view, under DOC21
Portion is arranged with being overlapped with the front of SCR catalyst 22, and the middle part in the front-back direction of DOC21 is located at the front end of SCR catalyst 22.Again
Have, overlooked in body, one of the right part of DOC21 is arranged with being overlapped with the left part of SCR catalyst 22, DOC21's
Middle part in the front-back direction is located at the front end of SCR catalyst 22.Thereby, it is possible to will support the support portion of DOC21 and SCR catalyst 22
Part 30 forms small-sized, can be by the reduced space of the exclusive support member 30 of the upside of organism frame 1.In other words, can
The emission-control equipment 20 being made of DOC21 and SCR catalyst 22 is compactly constituted, reduces on organism frame 1 and occupies space, from
And it can for example increase the capacity of grain box 7.
The exhaust outlet of engine E and the inflow entrance of the exhaust gas of the left-hand portion for the lower part for being formed in DOC21 are used with flexible
Property part connecting tube (" the first connecting tube " of scheme) 11 connect.It is formed in the exhaust gas at the rear side position on the top of DOC21
Outflux and be formed in the inflow entrance at upside position at rear portion of SCR catalyst 22 and be used in both ends there is flexible part
Connecting tube 12 connects.In addition, being provided with injection apparatus 23 at the position of the upstream side of connecting tube 12, it is being formed in SCR catalyst 22
Front upside position outflux be connected with will from the exhaust gas that DOC21 and SCR catalyst 22 purifies to outside discharge exhaust
Pipe 26.
As seen in figures 3-5, in body side view, DOC21 and SCR catalyst 22 is arranged antetheca in grain box 7 and raises
Between grain silo 9, on the right side of the right wall of sheller unit 4, the emission-control equipment 20 being made of DOC21 and SCR catalyst 22 is arranged
Enter the recessed of the lower front for the left wall 7B for being formed in grain box 7 for intimate all (being described in scheme " at least part of it ")
Portion 19.Thereby, it is possible to configure DOC21 and SCR catalyst 22 with inhibiting the reduction of the capacity of grain box 7, in addition, can inhibit
DOC21 and SCR catalyst 22 accumulates bar bits, can inhibit to be in direct contact with high pressure water when rainwater, direct sunlight, carwash.
Injection apparatus 23 the front of connecting tube (" the second connecting tube " of scheme) 12 upside position backward under obliquely
It is fixed.Thereby, it is possible to from injection apparatus 23 backward under the connecting tube 12 that is obliquely arranged effectively spray urea water.Separately
Outside, the water delivery nozzle of the feed water inlet of injection apparatus 23 and feedway 24 is connected by flexible hose 13.In addition, before hose 13
Portion is configured more upper than injection apparatus 23.Even if being capable of not freezing predetermined amount if as a result, in the case where urea water is freezed
The urea water of knot is supplied to injection apparatus 23.
Feedway 24 is arranged near the right side of the lower part for cylinder 10 of winnowing at No. two.Thereby, it is possible to make 9 detour of cylinder of winnowing
And easily configure hose 13 on the right side for cylinder 9 of winnowing.
The feed water inlet of feedway 24 and the discharge outlet of urea water tank 25 are connected by flexible hose 14.In addition, soft
Pipe 14 is configured more upper than feedway 24.Even if can be by predetermined amount not if as a result, in the case where urea water is freezed
The urea water freezed is supplied to feedway 24.In addition, the inside piping between the feed water inlet and discharge outlet of feedway 24
It is provided with open and close valve, the wirning harness 15 operated to open and close valve is connected in open and close valve.It is being stored in urea water tank as a result,
In the case that urea water in 25 is lower than predetermined temperature or high, open and close valve can be closed and be stopped from urea water tank 25 to confession
To the supply of the urea water of device 24.
Urea water tank 25 is arranged between the rear wall and vertical setting of types of grain box 7 go out a 8A.In addition, urea water tank 25 is arranged
At the position of the left and right wide direction than grain box 7 deviated to the right, the feed water inlet 25A of urea water tank 25 is formed in urea water
The right side position on the top of water tank 25.Thereby, it is possible to be easily replenished urea water from the feed water inlet 25A of urea water tank 25, separately
Outside, urea water tank 25 and external impact can be prevented and damaged.
In the bottom of grain box 7, it is provided with the conveyance spiral that will be transported from the grain that grain box 7 is leaked down to rear side, is being removed
The rear portion of square auger is formed with front side interconnecting part 16.In addition, the lower part for going out a 8A in vertical setting of types is formed with rear side interconnecting part 17.In paddy
In the case that grain case 17 is located at the reception position on organism frame 1, front side interconnecting part 16 is connected to rear side interconnecting part 17, in grain
In the case that the front of case 17 is located at the release position moved to the right side of organism frame 1, front side interconnecting part 16 is connected to rear side
The connection in portion 17 releases.
Urea water tank 25 is arranged in the upside of front side interconnecting part 16, in addition, the discharge outlet configuration of urea water tank 25 exists
Feed water inlet than feedway 24 is upper.Thereby, it is possible to effectively utilize the space for the upside for being formed in front side interconnecting part 16,
Urea water can be easily supplied from urea water tank 25 to feedway 24.In addition, urea water tank 25 is mounted in by from rear
The plate for the support member supports that side interconnecting part 17 extends to forward upper sets platform 18.
Exhaust pipe 26 extends in the outflux from the front for being formed in SCR catalyst 22 and reaches the top of DOC21 upward
Right side after, from the right side on the top of DOC21 to the top of rear side left part extend, reached and winnowed by the upside of connecting tube 12
The front side of the substantially middle part of the upper and lower directions of cylinder 9.Later, from the front side edge of the substantially middle part of the upper and lower directions for cylinder 9 of winnowing
Winnow cylinder 9 front side to forward upper extend, the exhaust outlet 26A of exhaust pipe 26 cross the upper end for cylinder 9 of winnowing grain spue
Mouthful 9A and towards the top of grain box 7.Relative to cylinder 9 of winnowing, many places are fixed exhaust pipe 26 in above-below direction.Thereby, it is possible to contract
The length of nipple 12 winnows cylinder 9 to reduce the fixation portion of exhaust pipe 26 in addition, can be fixed on exhaust pipe 26
Part.
Storage supply is provided with to the fuel water tank 35 of the light oil of engine E in the back lower of sheller unit 4.Fuel water
The oil-feed port 35A of case 35 is formed in the left-hand portion on the top of fuel water tank 35.Thereby, it is possible to be easy the confession from fuel water tank 35
Hydraulic fluid port 35A feeds light oil.
Right sides of the feed water inlet 25A towards body for making urea water tank 25, makes the oil-feed port 35A of fuel water tank 35 towards machine
The left side of body, in the up-down direction, the feed water inlet 25A of urea water tank 25 are set to the oil-feed port 35A high than fuel water tank 35
Position.Thereby, it is possible to prevent from accidentally feeding light oil to urea water tank 25.
Position in the upside of the urea water tank 25 of the rear wall of grain box 7 is provided with to being expelled to grain from cylinder 9 of winnowing
The moisture transducer 36 that the moisture content contained by grain in case 7 is measured.Thereby, it is possible to effectively utilize to be formed in urea water
The space of the upside of water tank 25.
Next, the recess portion 19 of the left wall 7B to being formed in grain box 7 illustrates.As shown in Figure 12,13, recess portion 19 by
First recess portion 70 and the formation of the second recess portion 80.
Ratio in the lower part of the left wall 7B of grain box 7 winnows cylinder 9 by the position of front side, is formed with front side and left open
First recess portion 70.First recess portion 70 includes：Lower end the first inclined wall 71 that lower section extends to the right from the front of left wall 7B；
The first vertical wall 72 extended downwards from the lower end of the first inclined wall 71；And connection the first inclined wall 71 rear end and
First rear wall 73 of the rear end of the first vertical wall 72.
It is the upside at the rear portion of the first inclined wall 71 in the upside at the rear portion of the first recess portion 70, is formed with the second recess portion 80.
Grain box 7 is especially the rigidity raising of the first inclined wall 71 as a result, can prevent the deformation of the first inclined wall 71.
Second recess portion 80 includes：The second horizontal wall extended from the upper end at the rear portion of the first inclined wall 71 towards right side
81；The second inclined wall 82 extended from the right part of the second horizontal wall 81 towards lower right-hand side；From the lower end of the second inclined wall 82
The second vertical wall 83 that portion extends downward；Before the second horizontal wall 81, the second inclined wall 82 and the second vertical wall 83
Second antetheca 84 of end connection；And by the second horizontal wall 81, the rear end of the second inclined wall 82 and the second vertical wall 83
Second rear wall 85 of connection.Thereby, it is possible to make the centre of the upper and lower directions of exhaust pipe 26 that the outflux with SCR catalyst 22 connect
Portion enters the second recess portion 80.In addition, the second inclined wall 82 be preferably formed into it is parallel with the first inclined wall 71, the second inclined wall 82
Inclined angle of inclination is preferably formed into angle of repose under to the right.
In addition, as shown in Figure 4, Figure 5, in the recess portion 19 for the lower front for being formed in above-mentioned grain box 7, DOC21 is with it
The posture for being vented circulating direction towards upper and lower directions enters.That is, the top of DOC21 is made into the structure in recess portion 19.
Bar bits are difficult to be piled up in DOC21 as a result, and influence of the hot gas to manoeuvre portion also tails off.In addition, can reduce because of recess portion
19 formation and the decrement of 7 capacity of grain box brought, can improve the efficiency of harvesting threshing operations.
In addition, in the downside of recess portion 19, SCR catalyst 22 is matched with its exhaust gas circulating direction towards body posture in the front-back direction
It sets.
Become lower position of the configuration of SCR catalyst 22 in body of high temperature as a result, bar bits are difficult to accumulate, and hot gas is to manipulating
The influence in portion also tails off.
In addition, in recess portion 19, the exhaust outflux configured with connection DOC21 and the exhaust inflow entrance of SCR catalyst 22
Connecting tube 12.
Bar bits are difficult to be piled up in the connecting tube 12 as high temperature as a result, and influence of the hot gas to manoeuvre portion also tails off.In addition,
The connecting tube 12 can be constituted shortlyer, reduced the reduction for the delivery temperature for flowing into SCR catalyst 22, can suitably be maintained this
The exhaust gas purification of SCR catalyst 22 acts on.
In addition, in recess portion 19, the lower part configured with the exhaust pipe 26 being connect with the exhaust outflux of SCR catalyst 22.
Bar bits are difficult to be deposited in the lower part of the exhaust pipe 26 as high temperature as a result, and influence of the hot gas to manoeuvre portion also tails off.
In addition, in recess portion 19, the lower part of exhaust pipe 26 and 12 cross-over configuration of connecting tube in the case of vertical view.It is vented as a result,
Pipe 26 and the degree of freedom of 12 allocation position of connecting tube improve.
In addition, as shown in Fig. 5, Figure 13, in the bottom of grain box 7, it is provided with upper inclined bottom wall 7A to the left, after body
Under optionally, the spatial portion K in the downside of bottom wall 7A is configured with SCR catalyst 22.
Next, to the driving section 40 of the conveyance spiral of the rotary drive of engine E to grain box 7 is illustrated.
As shown in Figure 14,15, the wheel 41 of the rotary drive of engine E to driving section 40.In wheel 41 and it is fixed on gear-box
The extension of wheel 43 of 42 input shaft is wound with band 44.
The front side of gear-box 42 is provided with support member 45, in the fulcrum 45A rotations for crossing at the lower part of support member 45
Turn the base portion for being fixed with tension arm 46 freely.As a result, tension arm 46 can be carried out at the same time in the maintenance of gear-box 42
Maintenance.
The middle part in the front-back direction of tension arm 46 is linked to metal wire 47 via spring.It can utilize and be set to manipulation
The operating lever (illustration omitted) in portion 5 and operate tension arm 46 via metal wire 47, thus, it is possible to adjust the tension of band 44.Metal
Line 47 is formed by the adapter sleeve 47B of wire 47A and exterior wire 47A.
The upside of gear-box 42 is provided with support member 48, on the fulcrum 48A for crossing at the top of support member 48,
Sliding freely it is fixed with the substantially middle part in the front-back direction for the rod unit 49 for being shaped generally as V-shape.In rod unit 49
Front side position be fixed with adapter sleeve 47B, the rear side position of rod unit 49 be provided with connection operation pipe (illustration omitted) company
Knot 50.As a result, in the case where metal wire 47 cannot be operated by the operating lever of manoeuvre portion 5, operation pipe can be linked to
Connecting rod 50 and so that the rotation of rod unit 49 is adjusted the tension of band 44 to operate straining pulley 46 via metal wire 47.
Claims (5)
1. a kind of grain box of combine harvester is mounted in the left and right side for the organism frame (1) for being provided with engine (E),
The grain box of the combine harvester is characterized in that,
It is aoxidized in the unburned gas that the lower front of the grain box (7) is formed in the exhaust gas for making the engine (E)
DOC (21) with the exhaust gas circulating direction towards upper and lower directions posture enter recess portion (19).
2. the grain box of the combine harvester recorded in claim 1, which is characterized in that
The SCR catalyst (22) that will be purified by the nitrogen oxides in the exhaust gas after the DOC (21) is restored using ammonia is useless with this
Gas circulating direction towards body posture configuration in the front-back direction the recess portion (19) downside.
3. the grain box of the combine harvester recorded in claim 2, which is characterized in that
The connecting tube (12) of the exhaust outflux for connecting the DOC (21) and the exhaust inflow entrance of the SCR catalyst (22) is matched
It sets in the recess portion (19).
4. the grain box of the combine harvester recorded in claim 3, which is characterized in that
The lower part configuration for the exhaust pipe (26) being connect with the exhaust outflux of the SCR catalyst (22) is in the recess portion (19).
5. the grain box of the combine harvester recorded in claim 4, which is characterized in that
In the recess portion (19), intersect in the lower part of the vertical view exhaust pipe (26) and the connecting tube (12).
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017-127143 | 2017-06-29 | ||
| JP2017127143A JP6256817B1 (en) | 2017-06-29 | 2017-06-29 | Combine |
| JP2017209606A JP2019080520A (en) | 2017-10-30 | 2017-10-30 | Grain tank of combine |
| JP2017-209606 | 2017-10-30 |
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| CN207604215U true CN207604215U (en) | 2018-07-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110892820A (en) * | 2018-09-13 | 2020-03-20 | 井关农机株式会社 | Combine harvester |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110892820A (en) * | 2018-09-13 | 2020-03-20 | 井关农机株式会社 | Combine harvester |
| CN110892820B (en) * | 2018-09-13 | 2022-07-15 | 井关农机株式会社 | Combine harvester |
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