CN103416163B - Combine harvester - Google Patents
Combine harvester Download PDFInfo
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- CN103416163B CN103416163B CN201210151332.0A CN201210151332A CN103416163B CN 103416163 B CN103416163 B CN 103416163B CN 201210151332 A CN201210151332 A CN 201210151332A CN 103416163 B CN103416163 B CN 103416163B
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- China
- Prior art keywords
- air
- engine
- fan
- combine harvester
- inlet flow
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- 238000001816 cooling Methods 0.000 claims abstract description 15
- 230000000875 corresponding Effects 0.000 claims abstract description 4
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 4
- 229920002456 HOTAIR Polymers 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 claims 1
- 241001124569 Lycaenidae Species 0.000 abstract 1
- NYNKCGWJPNZJMI-UHFFFAOYSA-N 4-amino-N-(1-benzylpiperidin-4-yl)-5-chloro-2-methoxybenzamide;2-hydroxybutanedioic acid Chemical compound [O-]C(=O)C(O)CC(O)=O.COC1=CC(N)=C(Cl)C=C1C(=O)NC1CC[NH+](CC=2C=CC=CC=2)CC1 NYNKCGWJPNZJMI-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000003306 harvesting Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000644 propagated Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000002708 enhancing Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Abstract
The invention discloses a kind of combine harvesters, the combine harvester has the engine as power source, the side positioned at the engine and the fan for cooling down the engine and the engine room around the engine and fan, it is characterized by: the engine and engine room are located at the top of the combine harvester, the bottom of the engine room is closed and opened upper end, and the engine room is provided with air-inlet grille in the side for corresponding to the fan, and the other side opposite with the air-inlet grille of the engine room is provided with ventilative grid.
Description
Technical field
The present invention relates to a kind of engine cool of combine harvester and the constructions of noise reduction.
Background technique
In the use process of harvester, the performance of harvester is directly affected to the cooling effect of engine.If to hair
Motivation it is cooling insufficient, it will keep the temperature of engine itself and surrounding excessively high, this can not only reduce engine performance and
Service life more seriously may result in harvester and burn.
In addition, in the use process of harvester, noise be the health of operator is caused it is dysgenic it is important because
Element.In order to inhibit noise to the adverse effect of operator and surrounding population, national standard body promulgated pressure in 2005
Property national standard GB19997-2005 " grain combine noise level limit ", wherein having been made to the noise level of harvester mandatory
Regulation.In order to meet the requirement of national standard, and also for the health of protection operator, harvester manufacturers are inhibiting to gather in
A variety of trials have been made in terms of machine noise.Since engine is the main source of harvester noise, reduces engine and make an uproar
Sound is considered as the main path for reducing entire harvester noise.
For example, Chinese utility model patent 201020504550.4 discloses a kind of combine harvester, in the harvester,
It is provided with noise reduction layer in the inner surface of cab guard in order to reduce noise, wherein cab guard is positioned at driver's cabin
The engine cool airscoop shroud of side, noise reduction layer are viscoelastic damping material.In the denoising structure, due to the use meeting of noise reduction layer
The air-flow for cooling down engine is reduced, therefore the cooling efficiency of engine can be reduced.
In terms of how reducing engine noise, U.S. patent documents US4071009A using inside and outside two layers of engine every
Sound cover, and it is provided with the guiding device of guidance cooling air-flow.This scheme increases the complexity for the vehicle for using engine
Degree and manufacturing cost, and the use of blimp inevitably reduces the cooling efficiency of engine.
Therefore, there is an urgent need to one kind can improve the cooling performance of engine and/or the construction of effective noise reduction.
Summary of the invention
The present invention in order to solve the above problem at least one and propose.
According to the present invention, combine harvester has and is used in combination as the engine of power source, positioned at the side of the engine
Fan in the cooling engine and the engine room around the engine and fan；The engine and engine room
Positioned at the top of the combine harvester, the bottom of the engine room is closed, opened upper end, and the engine room is corresponding to
The side of the fan is provided with air-inlet grille, and the other side opposite with the air-inlet grille of the engine room is provided with
Gas grid.
Since engine room is located at the top of combine harvester, and opened upper end, therefore the air of the top of engine
It flows unobstructed, is conducive to hot-air and flows to take away the heat of engine upwards；In addition, due to two sides air inlet and
Ventilative grid can guarantee to thereby ensure that the needs for reducing engine temperature altogether to cold air to engine.
In combine harvester of the invention, it is preferred that the air-inlet grille has multiple air inlet flow deflectors, Mei Gesuo
Air inlet flow deflector is stated with horizontally extending length direction, and each air inlet flow deflector has close to the wind
The outer rim of the inner edge of fan and the separate fan, the outer rim are higher than the inner edge in the up-down direction.
That is, the width direction of air inlet flow deflector is not horizontal, but increase, i.e., obliquely sets from inside to outside
It sets.Top due to engine room and the air-inlet grille corresponding to fan are unlimited, the noise generated by engine
It will mainly propagate upwards and to side.When noise is propagated by air-inlet grille to side, due to the flow deflector shape being obliquely installed
It is reflected upwards at the inclined-plane that the sound wave for transmitting engine reflects upwards, therefore to the noise that side is propagated.It is overall
For, it will mainly be propagated upwards by the noise that engine generates, and drive the people around indoor operator and harvester
Group is not within the scope of the main propagation of engine noise, therefore influence of the engine to operator and surrounding population is by significant
It reduces, it is thus achieved that the technical effect of noise reduction.Further, since engine, fan and air-inlet grille are respectively positioned on combining
The top of machine, therefore in harvesting positioned at the top of dust and crops clast, thus be conducive to keep engine and
The cleaning of fan, and then be conducive to the heat dissipation of engine.Also, since the cooling wind from fan can blow away any possibility
The clast of deposition on the engine, therefore clast heated combustion can also be avoided while being conducive to heat dissipation.
In combine harvester of the invention, it is preferred that the multiple air inlet flow deflector arranges along the vertical direction, and
The outer rim of the air inlet flow deflector of lower section is higher than the inner edge of top air inlet flow deflector.That is, look over from horizontal direction, respectively into
It is Chong Die between conductance flow and adjacent air inlet flow deflector.It may further be preferable that the multiple air inlet flow deflector is along upper
The arrangement of lower direction, and the outer rim of the air inlet flow deflector of lower section than the air inlet flow deflector of top outer rim further from the fan.
Such construction is more advantageous to propagates the noise from engine upwards.
In combine harvester of the invention, in order to enhance heat dissipation effect, it is described state air-inlet grille and the fan it
Between be provided with heat exchanger；And it is returned in order to prevent by the air that fan blows to engine to the air inlet one of the fan
Side is provided with anti-return plate between the heat exchanger and the air-inlet grille.The upper end of the anti-return plate is higher than the hair
Motivation and the fan, and sealed between other parts and the engine room.
In combine harvester of the invention, in order to guarantee the cold air cleaning for being supplied to heat exchanger, prevent back described
Filter screen is provided between flowing plate and the air-inlet grille, air is by reaching the heat exchange after the filter screen
Device.Filter screen is preferably the cylindrical shape bottom of with, and the bottom faces of the columnar filter screen are to the air-inlet grille, the cylinder
The filter screen of shape has horizontal central axis, and the filter screen surrounds the central axis when the engine is run
Line rotation.The filter screen of rotation has self-cleaning performance, can avoid dust, clast etc. and is attached on the filter screen.
In combine harvester of the invention, preferably make the ventilative grid that there is structure identical with the air-inlet grille
It makes, and the ventilative grid and the air-inlet grille is symmetrically disposed in described start in the transverse direction of the combine harvester
The two sides of machine room.The ventilative grid allows air to flow into/flow out engine room.
Detailed description of the invention
Fig. 1 is the perspective view of the combine harvester with engine and engine room；
Fig. 2 is the top view simplification figure of engine room；
Fig. 3 is the perspective view of air-inlet grille；
Fig. 4 is the sectional view for the air-inlet grille observed along the longitudinal direction.
Specific embodiment
In the following description of the present invention, front-rear direction refers to the parallel direction of the front-rear direction of combine harvester, left and right
Direction refers to transverse to the direction in the front-back direction.
As shown in Figure 1, combine harvester usually has main frame 1, moved by wheel 2 or crawler belt bearing；In the master
The front end of frame is equipped with the harvesting device 3 for cutting crops and the feeding unit for conveying the crops cut off
4；Driver's cabin 5 is installed in harvesting device back side top；The rear of driver's cabin 5 be provided with the engine room 6 of engine with
And threshing cleaning unit 7.It in the present invention, should as shown in Figure 1, engine room is located at the top of combine harvester on the whole
Engine room has bottom surface and the forward and backward, side of left and right four, wherein bottom surface, front and back closing.For the ease of dissipating
Heat, the opened upper end of the engine room.Air for cooling down engine is sucked by the right side of combine harvester, for this purpose, sending out
Cooling fan is installed on the right side of motivation, air-inlet grille 10 is correspondingly provided on the right side wall of the engine room.It is described
The other side (i.e. left side) opposite with the air-inlet grille of engine room is provided with ventilative grid 20.
In engine room, as shown in Fig. 2, being disposed with filter screen 11, anti-return plate 12, heat exchange from right to left
Device 13, fan 14 and engine 15.Cold air enters under the swabbing action of fan by air-inlet grille 10, filter screen 11
Heat exchanger 13 is the coolant liquid cooling in heat exchanger, while own temperature increases.Air-flow is then from fan to engine 15
Surface blowout, to play the role of directly cooling down engine.The air-flow for flowing through engine surface can be from engine room
The outflow of the ventilative grid 20 in open top and/or left side.
Anti-return plate 12 is provided between heat exchanger and air-inlet grille, the anti-return plate is for preventing from being blowed to by fan
The air of engine is returned to the air inlet side of fan 14.It flows back in order to prevent, the top edge of the anti-return plate is higher than hair
Motivation and fan, and sealed between other parts and engine room.
It is provided with filter screen between anti-return plate and air-inlet grille, by filtered air by after the filter screen
Reach heat exchanger.Filter screen is the cylindrical shape bottom of with, and the bottom faces of the columnar filter screen are to air-inlet grille, the circle
The filter screen of tubular has horizontal central axis, and the filter screen is revolved when engine is run around central axis
Turn.
As shown in Figure 3 and Figure 4, air-inlet grille has multiple air inlet flow deflectors, and each air inlet flow deflector has along level side
Length direction and inclined width direction to extension.As shown, each air inlet flow deflector has close to the inner edge of fan
With the outer rim far from fan, outer rim is higher than inner edge in the up-down direction；Also, multiple air inlet flow deflectors arrange along the vertical direction,
The outer rim of the air inlet flow deflector of lower section is higher than the inner edge of top air inlet flow deflector, as shown in the distance a in Fig. 4；The air inlet of lower section
The outer rim of flow deflector than the air inlet flow deflector of top outer rim further from fan, as shown in the distance b in Fig. 4.
Ventilative grid on the left of the combine harvester has construction identical with the air-inlet grille, and and air inlet
Grid is symmetrically arranged in the transverse direction of the combine harvester.
Claims (9)
1. a kind of combine harvester, the combine harvester have driver's cabin, as power source engine, be located at driver's cabin rear
Threshing cleaning unit, start positioned at the side of the engine and the fan for cooling down the engine and around this
The engine room of machine and fan, it is characterised in that: the engine and engine room are located at the top of the combine harvester, start
Machine room at the rear of driver's cabin between driver's cabin and threshing cleaning unit, at the top of engine room and the top of driver's cabin
In roughly the same height, the bottom closing of the engine room and opened upper end, so that the air flowing above engine is not
Interrupted and hot-air is flowed upwards to take away the heat of engine, and the engine room is corresponding to the one of the fan
Side is provided with air-inlet grille, and the another side opposite with the air-inlet grille of the engine room is provided with ventilative grid,
Cold air is supplied will pass through the engine of air-inlet grille and ventilative grid into engine room；
The air-inlet grille have multiple air inlet flow deflectors, each air inlet flow deflector have close to the fan inner edge with
Outer rim far from the fan,
The multiple air inlet flow deflector is arranged so that their outer rim with the underlying of two adjacent air inlet flow deflectors
The outer rim of the outer rim air inlet flow deflector more adjacent than the two being located above further from the fan mode relative to vertical
Direction is aligned on intilted direction.
2. combine harvester as described in claim 1, it is characterised in that: each air inlet flow deflector has in the horizontal direction
The length direction of extension, and each air inlet flow deflector is with outer close to the inner edge of the fan and far from the fan
Edge, the outer rim are higher than the inner edge in the up-down direction.
3. combine harvester as claimed in claim 2, it is characterised in that: the multiple air inlet flow deflector is arranged along the vertical direction
Column, and the outer rim of the air inlet flow deflector of lower section is higher than the inner edge of the air inlet flow deflector of top and is lower than the air inlet flow deflector of top
Outer rim.
4. the combine harvester as described in one of claims 1 to 3, it is characterised in that: in the air-inlet grille and the fan
Between be provided with heat exchanger.
5. combine harvester as claimed in claim 4, it is characterised in that: between the heat exchanger and the air-inlet grille
Be provided with anti-return plate, the anti-return plate be used to preventing the air that engine is blowed to by fan return to the fan into
Wind side.
6. combine harvester as claimed in claim 5, it is characterised in that: the top edge of the anti-return plate is higher than described start
Machine and the fan, and sealed between other marginal portions and the engine room of the anti-return plate.
7. such as combine harvester described in claim 5 or 6, it is characterised in that: in the anti-return plate and the air-inlet grille
Between be provided with filter screen, air is by reaching the heat exchanger after the filter screen.
8. combine harvester as claimed in claim 7, it is characterised in that: the filter screen is the cylindrical shape bottom of with, the circle
For the bottom faces of the filter screen of tubular to the air-inlet grille, which has horizontal central axis, and
And the filter screen is rotated when the engine is run around the central axis.
9. the combine harvester as described in any one of the claims 1-3,5,6 and 8, it is characterised in that: the ventilation lattice
Grid have construction identical with the air-inlet grille, and the ventilative grid and the air-inlet grille are in the combine harvester
The two sides of the engine room are symmetrically disposed in transverse direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210151332.0A CN103416163B (en) | 2012-05-15 | Combine harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210151332.0A CN103416163B (en) | 2012-05-15 | Combine harvester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103416163A CN103416163A (en) | 2013-12-04 |
| CN103416163B true CN103416163B (en) | 2019-07-16 |
Family
ID=
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4371047A (en) * | 1980-04-02 | 1983-02-01 | International Harvester Company | Agricultural tractor having reverse air flow cooling |
| US4483412A (en) * | 1981-11-04 | 1984-11-20 | Deere & Company | Noise absorption apparatus |
| JPH09123771A (en) * | 1995-10-30 | 1997-05-13 | Sumitomo Constr Mach Co Ltd | Cooling wind suction duct of engine |
| CN1512044A (en) * | 2002-12-26 | 2004-07-14 | 株式会社久保田 | Harvester |
| KR20080046399A (en) * | 2006-11-22 | 2008-05-27 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | Cooling device of engine room of excavator |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4371047A (en) * | 1980-04-02 | 1983-02-01 | International Harvester Company | Agricultural tractor having reverse air flow cooling |
| US4483412A (en) * | 1981-11-04 | 1984-11-20 | Deere & Company | Noise absorption apparatus |
| JPH09123771A (en) * | 1995-10-30 | 1997-05-13 | Sumitomo Constr Mach Co Ltd | Cooling wind suction duct of engine |
| CN1512044A (en) * | 2002-12-26 | 2004-07-14 | 株式会社久保田 | Harvester |
| KR20080046399A (en) * | 2006-11-22 | 2008-05-27 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | Cooling device of engine room of excavator |
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|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |