CN109826718A - The body of big stroke low emission single-cylinder air-cooled diesel engine - Google Patents
The body of big stroke low emission single-cylinder air-cooled diesel engine Download PDFInfo
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- CN109826718A CN109826718A CN201910222191.9A CN201910222191A CN109826718A CN 109826718 A CN109826718 A CN 109826718A CN 201910222191 A CN201910222191 A CN 201910222191A CN 109826718 A CN109826718 A CN 109826718A
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- Prior art keywords
- cooling fin
- cylinder
- diesel engine
- cylinder jacket
- low emission
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- 238000001816 cooling Methods 0.000 claims abstract description 74
- 238000009434 installation Methods 0.000 claims abstract description 4
- 230000017525 heat dissipation Effects 0.000 claims description 9
- 208000004141 microcephaly Diseases 0.000 claims description 9
- 239000010687 lubricating oil Substances 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The present invention relates to a kind of bodies of big stroke low emission single-cylinder air-cooled diesel engine, and crankcase cavity, cylinder jacket, left side cooling fin connecting plate, right side push rod chamber, cooling fin, wind scooper posting, side cover mounting surface, cylinder head mounting surface are equipped on diesel-engine body and starts motor installing hole；To cooling fin is provided on the outer wall of cylinder jacket and along cylinder sleeve shaft, the height dimension of center to the cylinder head mounting surface of crankshaft bearing mounting hole is 171mm；To being provided with ten cooling fins altogether on cylinder jacket outer wall and along cylinder sleeve shaft.Invention increases the cooling fin areas around cylinder jacket installation body, keep the cooling around the cylinder jacket of such diesel engine more uniform, effectively reduce the deformation of cylinder jacket, to reduce consumption of lubricating oil, reduce particulate emission.
Description
Technical field
The present invention relates to a kind of body of single-cylinder air-cooled diesel engine, specifically a kind of big stroke low emission is single-cylinder air-cooled
The body of diesel engine, the invention belongs to engine component technical fields.
Background technique
The machinery such as the matched mini-tiller of existing single-cylinder air-cooled diesel engine, garden supervisor, generating set, equipment unit are to bavin
The power of oil machine power has to be distinctly claimed accordingly, and in non-rice habitats diesel emission escalation process, original equipment manufacturer wishes low row
Diesel powered is put while meeting newest emission regulation demands, power and revolving speed do not change preferably, so as to correlation
Mating producer goes on smoothly the powershift work after discharge upgrading.
The design of low emission single-cylinder air-cooled diesel engine needs to reduce fuel supply advance angle by a relatively large margin, to reduce the exhaust such as NOx
Pollutant, but reduce delivery angle merely on the single-cylinder air-cooled diesel engine of existing higher emissions, it will affect the power of diesel engine, such as
The power of original diesel engine is kept, being substantially increased for the warm row of diesel engine, smoke intensity and particle will be caused, cause exhaust pollution
The discharge of object is exceeded.
Summary of the invention
The purpose of the present invention is overcoming the deficiencies in the prior art, provides and a kind of meeting low emission laws and regulations requirement
Under the premise of keep the body of identical with the rated output power of original diesel engine big stroke low emission single-cylinder air-cooled diesel engine.
According to technical solution provided by the invention, the body of the big stroke low emission single-cylinder air-cooled diesel engine, in diesel oil
Machine body is equipped with crankcase cavity, cylinder jacket, left side cooling fin connecting plate, right side push rod chamber, cooling fin, wind scooper positioning
Frame, side cover mounting surface, cylinder head mounting surface and start motor installing hole, in crankcase cavity be equipped with crankshaft bearing mounting hole,
Camshaft microcephaly mounting hole, balance shaft flywheel end bearing mounting hole, oil pump mounting hole, tappet mounting hole and side cover mounting surface,
The lower section of crankcase cavity is equipped with diesel engine mounting foot；It is characterized in: to setting on the outer wall of cylinder jacket and along cylinder sleeve shaft
There is cooling fin；Left side heat dissipation wind channel is collectively formed by left side cooling fin connecting plate, the left side outer wall of cylinder jacket and cooling fin；By the right side
Right side heat dissipation wind channel is collectively formed in the outer wall of side push rod chamber, the outer right wall of cylinder jacket and cooling fin；
The height dimension of the center of the crankshaft bearing mounting hole to cylinder head mounting surface is 171mm；On the outer wall of cylinder jacket
And along cylinder sleeve shaft to being provided with ten cooling fins altogether.
From bottom to top on direction, in first to the 5th cooling fin, the spacing of two neighboring cooling fin is 10mm, the 5th
In a to the tenth cooling fin, the spacing of two neighboring cooling fin is 9mm.
From bottom to top on direction, first, second, third, the 4th, the 5th, the 6th, the 7th, the 8th
A and the tenth cooling fin left part all extends at the cooling fin connecting plate of left side.
From bottom to top on direction, the right part of the 4th, the 6th, the 8th and the tenth cooling fin all extends to right side
The outer wall of push rod chamber.
It is greater than the length of the cooling fin far from cylinder head mounting surface close to the length of the cooling fin of the cylinder head mounting surface.
The length of the cooling fin of side cover mounting surface side is greater than the length of flywheel side cooling fin.
Oil-way is equipped at the top of the camshaft microcephaly mounting hole.
The present invention is by increasing the crankshaft hole center of body to the height 20.5mm of cylinder head mounting surface, to meet long stroke
The design requirement that the stroke of low-emission diesel increases and connecting rod lengthens makes such diesel engine keep original technology diesel engine volume
Under the premise of determining power, meet the requirement of low emission regulation, and there is good complete machine NVH performance.Meanwhile utilization is increased
20.5mm height dimension, it is 10 that cooling fin quantity is increased by 8 of former technology, is increased around cylinder jacket installation body
Cooling fin area, and the structure by installing body or so, front and back and upper following peripheral cooling fin to cylinder jacket is arranged, such bavin is made
Cooling around the cylinder jacket of oil machine is more uniform, effectively reduces the deformation feelings that cylinder jacket is easy to produce because inhomogeneous cooling is even
Condition reduces particulate emission to reduce consumption of lubricating oil, improves the functional reliability of product.By in camshaft microcephaly
Oil-way is added at the top of mounting hole, strengthens the lubrication at camshaft microcephaly's mounting hole.
Detailed description of the invention
Fig. 1 is main view of the invention.
Fig. 2 is rearview of the invention.
Fig. 3 is top view of the invention.
Fig. 4 is the A-A cross-sectional view of Fig. 1.
Fig. 5 is the B-B cross-sectional view of Fig. 1.
Fig. 6 is the C-C cross-sectional view of Fig. 4.
Specific embodiment
The present invention is further explained in the light of specific embodiments.
The body of big stroke low emission single-cylinder air-cooled diesel engine of the invention is equipped with crankcase cavity on diesel-engine body
1, cylinder jacket 2, left side cooling fin connecting plate 4, right side push rod chamber 6, cooling fin 7, wind scooper posting 8, side cover mounting surface 9, gas
Cylinder cap mounting surface 10 and starting motor installing hole 11, crankcase cavity 1 is unenclosed construction, positioned at the lower section of cylinder jacket 2, in song
Crankshaft bearing mounting hole 1-1, camshaft microcephaly's mounting hole 1-2, balance shaft flywheel end bearing mounting hole 1- are equipped in axle box cavity 1
3, oil pump mounting hole 1-4, tappet mounting hole 1-5 and side cover mounting surface 1-6 pacify in the lower section of crankcase cavity 1 equipped with diesel engine
Fill lower margin 1-7；Be provided with cooling fin 7 on the outer wall of cylinder jacket 2 and along cylinder jacket 2 is axial, by left side cooling fin connecting plate 4,
Left side heat dissipation wind channel 3 is collectively formed in the left side outer wall and cooling fin 7 of cylinder jacket 2；By the outer wall of right side push rod chamber 6, cylinder jacket 2
Right side heat dissipation wind channel 5 is collectively formed in outer right wall and cooling fin 7；
The height dimension of the center of the crankshaft bearing mounting hole 1-1 to cylinder head mounting surface 10 is increased by the 150.5mm of former technology
171mm is added to, which increases 20.5mm than original technology, in this way, the length of cylinder jacket 2 also increase accordingly 20.5mm,
7 coverage area of cooling fin on periphery also increase accordingly 20.5mm along the axial dimension of cylinder jacket 2, this is conducive to designer in cylinder
2 weeks edge cylinder jacket 2 of set are axial to add two cooling fins 7 more, in this way, on the outer wall of cylinder jacket 2 and along the axial direction of cylinder jacket 2
It is provided with ten cooling fins 7 altogether.
From bottom to top on direction, in first to the 5th cooling fin 7, the spacing of two neighboring cooling fin 7 is 10mm, the
In five to the tenth cooling fins 7, the spacing of two neighboring cooling fin 7 is 9mm.
From bottom to top on direction, first, second, third, the 4th, the 5th, the 6th, the 7th, the 8th
A and the tenth cooling fin 7 left part all extends at left side cooling fin connecting plate 4, i.e., the left part of the 9th cooling fin 7
It does not extend at left side cooling fin connecting plate 4, flow velocity of the cooling wind in left side heat dissipation wind channel 3 can be reinforced in this way, improve gas
The cooling efficiency of high-temperature region at the top of cylinder jacket in cylinder sleeve 2.
From bottom to top on direction, the right part of the 4th, the 6th, the 8th and the tenth cooling fin 7 all extends to the right side
The outer wall of side push rod chamber 6, i.e., first, second, third, the right part of the 5th, the 7th and the 9th cooling fin 7 it is equal
The outer wall for not extending to right side push rod chamber 6 can increase the channel open area of right side heat dissipation wind channel 5 in this way, reduce cooling wind
Passage resistance.
Length close to the cooling fin 7 of the cylinder head mounting surface 10 is greater than the cooling fin 7 far from cylinder head mounting surface 10
Length, can make in this way cylinder jacket 2 axial direction cooling tend to be uniform.
The length of the cooling fin 7 of 9 side of side cover mounting surface is greater than the length of flywheel side cooling fin 7, can make in this way
The circumferential direction cooling of cylinder jacket 2 tends to be uniform.
It is equipped with oil-way 1-21 at the top of the camshaft microcephaly mounting hole 1-2, strengthens camshaft microcephaly installation
Lubrication at the 1-2 of hole.
Claims (7)
1. a kind of body of big stroke low emission single-cylinder air-cooled diesel engine is equipped with crankcase cavity (1), gas on diesel-engine body
Cylinder sleeve (2), left side cooling fin connecting plate (4), right side push rod chamber (6), cooling fin (7), wind scooper posting (8), side cover installation
Face (9), cylinder head mounting surface (10) and starting motor installing hole (11) are equipped with crankshaft bearing in crankcase cavity (1) and install
Hole (1-1), balance shaft flywheel end bearing mounting hole (1-3), oil pump mounting hole (1-4), is endured camshaft microcephaly mounting hole (1-2)
Column mounting hole (1-5) and side cover mounting surface (1-6) are equipped with diesel engine mounting foot (1-7) in the lower section of crankcase cavity (1)；
It is characterized in that: being axially provided with cooling fin (7) on the outer wall of cylinder jacket (2) and along cylinder jacket (2), connected by left side cooling fin
Left side heat dissipation wind channel (3) is collectively formed in plate (4), the left side outer wall of cylinder jacket (2) and cooling fin (7)；By right side push rod chamber (6)
Right side heat dissipation wind channel (5) is collectively formed in outer wall, the outer right wall of cylinder jacket (2) and cooling fin (7)；
The height dimension of the center of the crankshaft bearing mounting hole (1-1) to cylinder head mounting surface (10) is 171mm；In cylinder jacket
(2) it is axially provided with ten cooling fins (7) altogether on outer wall and along cylinder jacket (2).
2. the body of big stroke low emission single-cylinder air-cooled diesel engine as described in claim 1, it is characterized in that: direction from bottom to top
On, in first to the 5th cooling fin (7), the spacing of two neighboring cooling fin (7) is 10mm, the 5th to the tenth heat dissipation
In piece (7), the spacing of two neighboring cooling fin (7) is 9mm.
3. the body of big stroke low emission single-cylinder air-cooled diesel engine as claimed in claim 1 or 2, it is characterized in that: from bottom to top
On direction, first, second, third, the 4th, the 5th, the 6th, the 7th, the 8th and the tenth cooling fin
(7) left part all extends at left side cooling fin connecting plate (4).
4. the body of big stroke low emission single-cylinder air-cooled diesel engine as claimed in claim 1 or 2, it is characterized in that: from bottom to top
On direction, the right part of the 4th, the 6th, the 8th and the tenth cooling fin (7) all extends to the outer of right side push rod chamber (6)
Wall.
5. the body of big stroke low emission single-cylinder air-cooled diesel engine as claimed in claim 1 or 2, it is characterized in that: close to described
The length of the cooling fin (7) of cylinder head mounting surface (10) is greater than the length of the cooling fin (7) far from cylinder head mounting surface (10).
6. the body of big stroke low emission single-cylinder air-cooled diesel engine as described in claim 1, it is characterized in that: the side cover is installed
The length of the cooling fin (7) of face (9) side is greater than the length of flywheel side cooling fin (7).
7. the body of big stroke low emission single-cylinder air-cooled diesel engine as described in claim 1, it is characterized in that: in the camshaft
The top of microcephaly's mounting hole (1-2) is equipped with oil-way (1-21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910222191.9A CN109826718A (en) | 2019-03-22 | 2019-03-22 | The body of big stroke low emission single-cylinder air-cooled diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910222191.9A CN109826718A (en) | 2019-03-22 | 2019-03-22 | The body of big stroke low emission single-cylinder air-cooled diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109826718A true CN109826718A (en) | 2019-05-31 |
Family
ID=66871108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910222191.9A Withdrawn CN109826718A (en) | 2019-03-22 | 2019-03-22 | The body of big stroke low emission single-cylinder air-cooled diesel engine |
Country Status (1)
| Country | Link |
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| CN (1) | CN109826718A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110761911A (en) * | 2019-12-03 | 2020-02-07 | 无锡华源凯马发动机有限公司 | Single-metal cylinder sleeve of low-emission balanced cooling type air-cooled diesel engine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101235762A (en) * | 2007-01-31 | 2008-08-06 | 光阳工业股份有限公司 | Engines radiation structure |
| CN101907037A (en) * | 2010-06-09 | 2010-12-08 | 金坛柴油机有限公司 | Single cylinder water cooling diesel engine box with cylinder diameter of 78 mm |
| CN101946078A (en) * | 2008-03-26 | 2011-01-12 | 本田技研工业株式会社 | The heat radiating fin structure that is used for on-vehicle internal combustion engine |
| CN204003130U (en) * | 2014-08-04 | 2014-12-10 | 绿田机械股份有限公司 | A kind of air-cooling diesel engine body |
| CN104948287A (en) * | 2015-06-28 | 2015-09-30 | 金坛鑫田柴油机有限公司 | Engine body of low-temperature energy-saving and environment-friendly vertical air-cooled diesel engine |
| CN104975928A (en) * | 2015-06-28 | 2015-10-14 | 金坛鑫田柴油机有限公司 | Diversion three-dimensional cooling device of single-cylinder vertical air-cooling diesel engine |
| CN210264934U (en) * | 2019-03-22 | 2020-04-07 | 无锡华源凯马发动机有限公司 | Large-stroke low-emission single-cylinder air-cooled diesel engine body |
-
2019
- 2019-03-22 CN CN201910222191.9A patent/CN109826718A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101235762A (en) * | 2007-01-31 | 2008-08-06 | 光阳工业股份有限公司 | Engines radiation structure |
| CN101946078A (en) * | 2008-03-26 | 2011-01-12 | 本田技研工业株式会社 | The heat radiating fin structure that is used for on-vehicle internal combustion engine |
| CN101907037A (en) * | 2010-06-09 | 2010-12-08 | 金坛柴油机有限公司 | Single cylinder water cooling diesel engine box with cylinder diameter of 78 mm |
| CN204003130U (en) * | 2014-08-04 | 2014-12-10 | 绿田机械股份有限公司 | A kind of air-cooling diesel engine body |
| CN104948287A (en) * | 2015-06-28 | 2015-09-30 | 金坛鑫田柴油机有限公司 | Engine body of low-temperature energy-saving and environment-friendly vertical air-cooled diesel engine |
| CN104975928A (en) * | 2015-06-28 | 2015-10-14 | 金坛鑫田柴油机有限公司 | Diversion three-dimensional cooling device of single-cylinder vertical air-cooling diesel engine |
| CN210264934U (en) * | 2019-03-22 | 2020-04-07 | 无锡华源凯马发动机有限公司 | Large-stroke low-emission single-cylinder air-cooled diesel engine body |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110761911A (en) * | 2019-12-03 | 2020-02-07 | 无锡华源凯马发动机有限公司 | Single-metal cylinder sleeve of low-emission balanced cooling type air-cooled diesel engine |
| CN110761911B (en) * | 2019-12-03 | 2024-05-28 | 无锡华源凯马发动机有限公司 | Single-metal cylinder sleeve of low-emission balanced cooling type air-cooled diesel engine |
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| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
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Application publication date: 20190531 |