CN209244678U - Multi-cylinder diesel engine cylinder body - Google Patents
Multi-cylinder diesel engine cylinder body Download PDFInfo
- Publication number
- CN209244678U CN209244678U CN201822110169.9U CN201822110169U CN209244678U CN 209244678 U CN209244678 U CN 209244678U CN 201822110169 U CN201822110169 U CN 201822110169U CN 209244678 U CN209244678 U CN 209244678U
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- cylinder
- diesel engine
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- bore
- bores
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
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- 239000010949 copper Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
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- 238000012360 testing method Methods 0.000 description 1
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a kind of Multi-cylinder diesel engine cylinder bodies, multiple cylinder-bores are provided on the cylinder block ontology of Multi-cylinder diesel engine cylinder body, it is provided with hole wall gap in cylinder bore wall between per two adjacent cylinder-bores, whole cylinder-bores is connected to the cooling water cavity to form perforation by hole wall gap.When the cylinder block of the utility model is applied on a diesel engine, it is more preferable to the cooling effect for the cylinder jacket being mounted in cylinder-bore, under the premise of cylinder-bore center is away from being held essentially constant, it ensure that the reliability and durability of diesel engine, power is improved simultaneously, it ensure that diesel engine performance and discharge index reach laws and regulations requirement at this stage, solve that diesel engine power is small, technical problem of poor reliability.
Description
Technical field
The utility model belongs to Diesel Engine Technique Field more particularly to a kind of Multi-cylinder diesel engine cylinder body.
Background technique
Existing more than 100 years developing histories of diesel engine, are developed so far the mature type for having formed the more specifications of multi-series,
Technology is also quite mature.From since the establishment of the nation, the diesel technology in China is rapidly developed, and technology is increasingly mature, in skill
Today of art relative maturity, the key part cylinder block as diesel engine maturation is almost without the leeway changed again, therefore structure
Change it is extremely difficult.
Block the matured product that more R serial diesel engines are domestic manufacture many years, various processing technologys and mating producer at present
More perfect, performance, price, quality have very strong advantage within the scope of high speed machine, therefore in automobile, engineering machinery and ship
Electrical domain has extensive market.But for the medium speed engine of 1500~2000r/min, since revolving speed declines, power is less than normal,
The advantage of cost performance has not existed, and is not able to satisfy the market demand, and occupation rate of market is very low.Due to R series expand lower exhaust after cylinder it is big,
Discharge index is poor, and poor, power is less than normal influences by discharging, and domestic internal combustion engine industry specialists do not have an optimistic view of the serial diesel engine generally.By
It is limited in by cylinder block cylinder centre line spacing 127mm, wet cylinder liner is arranged, cylinder diameter arrivesLater again by changing cylinder of diesel engine
Diameter can not to improve the power of diesel engine；It can only be optimized by diesel engine itself, changing structure can be only achieved R series bavin
The purpose that oil machine performance is substantially improved.However on the basis of existing mature technology, change seam allowance positioning, cylinder bolt under cylinder sleeve
Hole site is the problem of the art, and the power of diesel engine should be made to have and significantly improved, guarantee that diesel engine performance refers to again
Mark and discharge index reach relevant criterion requirement, while improving the intensity of diesel engine, guarantee the reliability and durability of diesel engine,
Therefore how to guarantee that body center away from being basically unchanged, optimizes complete machine structure by changing cylinder sleeve positioning method etc., to increase
The power for adding diesel engine promotes the performance and discharge of diesel engine, is the technical problem of R serial diesel engine development.
Summary of the invention
The technical problem to be solved by the utility model is to provide a kind of Multi-cylinder diesel engine cylinder bodies, at cylinder-bore center
Under the premise of constant, it both can guarantee that diesel engine performance index and discharge index reached relevant criterion requirement, while being also able to satisfy
The intensity requirement of diesel engine guarantees the reliability and durability of diesel engine.
In order to solve the above technical problems, the technical solution of the utility model is:
Multi-cylinder diesel engine cylinder body, the Multi-cylinder diesel engine cylinder body include cylinder block ontology and are set to the cylinder block
Multiple cylinder-bores on ontology are often provided with hole wall gap in the cylinder bore wall between two adjacent cylinder-bores, all
The cylinder-bore cooling water cavity to form perforation is connected to by the hole wall gap.
Further, the cylinder-bore includes the upper cylinder hole and lower cylinder hole being coaxially set, the upper cylinder hole
Diameter is greater than the diameter in the lower cylinder hole, and the transition position formation in the upper cylinder hole and the lower cylinder hole is used to support cylinder
The cylinder sleeve supporting table of set.
Further, the hole wall gap is set in the cylinder bore wall in the adjacent upper cylinder hole.
Further, the hole wall gap extends to the cylinder sleeve supporting table from top to bottom.
Further, cylinder bolt hole is additionally provided on the cylinder block ontology, the cylinder bolt hole is located at the gas
The periphery of cylinder holes, the lower section of plane where the cylinder bolt hole extends to the cylinder sleeve supporting table.
Further, the cylinder bolt hole includes superposed unthreaded hole section and the thread segment positioned at lower part.
Further, the center between the two neighboring cylinder-bore is 127 ± 2mm away from L1.
Further, the upper cylinder bore dia D is 120mm~127mm；The lower cylinder bore dia d be 110~
122mm。
Further, the centre-height K of the cylinder block ontology is 338~348mm.
Further, when the cylinder-bore is six, the total length L 2 of the cylinder block ontology is 786mm~812mm；Institute
When to state cylinder-bore be four, the total length L 2 of the cylinder block ontology is 535mm~550mm.
By adopting the above-described technical solution, the beneficial effects of the utility model are:
Multiple cylinder-bores are provided on the cylinder block ontology of Multi-cylinder diesel engine cylinder body, between every two adjacent cylinder-bores
Cylinder bore wall on be provided with hole wall gap, whole cylinder-bores is connected to the cooling water cavity to form perforation by hole wall gap.?
It is more preferable to the cooling effect for the cylinder jacket being mounted in cylinder-bore when the cylinder block of the utility model is applied on a diesel engine,
Under the premise of cylinder-bore center is away from being held essentially constant, the reliability and durability of diesel engine ensure that, while improving power,
It ensure that diesel engine performance and discharge index reach laws and regulations requirement at this stage, solve that diesel engine power is small, skill of poor reliability
Art problem.
Cylinder-bore includes the upper cylinder hole and lower cylinder hole being coaxially set, and the diameter in upper cylinder hole is greater than lower cylinder hole
The transition position in diameter, upper cylinder hole and lower cylinder hole forms the cylinder sleeve supporting table for being used to support cylinder jacket, and this structure to pacify
The upper support of cylinder jacket from the prior art in cylinder-bore becomes lower support, and cylinder jacket in the prior art uses upper branch
When support, the wall of cylinder jacket is very thin, when using lower support, can thicken the wall thickness of cylinder jacket, so that cylinder jacket is unlikely to deform, improves
The service life of cylinder jacket.
Cylinder bolt hole includes superposed unthreaded hole section and the thread segment positioned at lower part, and thread segment is arranged in cylinder block sheet
The inside of body can effectively improve the intensity of diesel engine.
Detailed description of the invention
Fig. 1 is the perspective view of the Multi-cylinder diesel engine cylinder body of the utility model；
Fig. 2 is the perspective view of another angle of the Multi-cylinder diesel engine cylinder body of the utility model；
Fig. 3 is the main view of the Multi-cylinder diesel engine cylinder body of the utility model；
Fig. 4 is the top view of Fig. 3；
Fig. 5 is the cross-sectional view in the face A-A in Fig. 3；
Fig. 6 is the cross-sectional view in the face B-B in Fig. 4；
In figure, 1- cylinder block ontology, 2- main bearing hole, 3- cylinder-bore, 31- upper cylinder hole, 32- lower cylinder hole, 4- cylinder
Hole wall, 41- hole wall gap, 5- cylinder sleeve supporting table, 6- camshaft hole, 7- idle pulley axis hole, 8- cylinder bolt hole, 81- unthreaded hole section,
82- thread segment.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
In conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6 jointly shown in, a kind of Multi-cylinder diesel engine cylinder body, it includes gas
Cylinder body ontology 1 and the multiple cylinder-bores 3 being arranged on cylinder block ontology 1, per two adjacent cylinder-bores 3 between cylinder bore wall
On be provided with hole wall gap, whole cylinder-bores 3 forms the cooling water cavity of perforation by the connection of hole wall gap 41.
Cylinder-bore 3 includes the upper cylinder hole 31 and lower cylinder hole 32 being coaxially set, under the diameter in upper cylinder hole 31 is greater than
The transition position in the diameter of cylinder-bore 32, upper cylinder hole 31 and lower cylinder hole 32 forms the cylinder sleeve supporting table 5 for being used to support cylinder jacket.
Hole wall gap 41 is preferably provided in the cylinder bore wall 4 in adjacent upper cylinder hole 31.In order to enable cooling water is to peace
Cylinder in cylinder-bore 3 is cased with preferably cooling effect, hole wall gap 41 preferably be selected from and under extend to cylinder sleeve supporting table
5。
Cylinder bolt hole 8 is additionally provided on cylinder block ontology 1, cylinder bolt hole 8 is located at the periphery of cylinder-bore 3, cylinder cap spiral shell
Keyhole 8 extends to the lower section of 5 place plane of cylinder sleeve supporting table.Cylinder bolt hole 5 preferably includes superposed 81 He of unthreaded hole section
Thread segment 82 positioned at lower part.
Center between two neighboring cylinder-bore 3 is 127 ± 2mm away from L1.
31 diameter D of upper cylinder hole is preferably 120mm~127mm.32 diameter d of lower cylinder hole is preferably 110~122mm.
The centre-height K of cylinder block ontology 1 is 338~348mm, and the centre-height K of cylinder block ontology 1 is preferably
342.5mm, the total height Ka of cylinder block ontology 1 are 425mm~435mm.
When cylinder-bore 3 is six, the total length L 2 of cylinder block ontology 1 is 786mm~812mm.
When cylinder-bore 3 is four, the total length L 2 of cylinder block ontology 1 is 535mm~550mm.
The diameter of phi M of the cam shaft bush bottom outlet of cylinder block ontology 1 is 55mm~62mm.
The diameter of phi N of the main bearing hole 2 of cylinder block ontology 1 is 87mm~92mm.
7 center of idle pulley axis hole of cylinder block ontology 1 is 62.6 ± 0.5mm relative to the horizontal distance at 2 center of main bearing hole,
Vertical distance is 96.5 ± 0.5mm；Horizontal distance of 6 center of camshaft hole of cylinder block ontology 1 relative to 2 center of main bearing hole
For 130 ± 0.5mm, vertical distance is 88 ± 0.5mm.
Size in the utility model has tolerance, and it is linear that the margin of tolerance meets national standard " GB/T1804-2014 "
The regulation of size without individual tolerance.
Diesel Engine Complete Machine power greatly improves, and diesel engine performance and discharge index reach to be required at this stage, diesel engine can
Reliably being guaranteed by property and durability, the model machine of the utility model assembly has passed through reliability test verifying in 1000 hours, this
Technical solution is structurally reasonable, improves the output power of complete machine, reduces exhaust gas discharge, and overall performance is optimized.
Multi-cylinder diesel engine cylinder body provided by the utility model, in assembly, carrying out cooperation with dedicated wet liner makes
With center between two neighboring cylinder jacket is 102mm~113mm away from the internal diameter for 127 ± 2mm, wet liner.
1 inner wall of cylinder block ontology, outer wall increase reinforcing rib, and gantry overall structure inner cavity increases about along radius of gyration direction
6mm, cylinder block ontology 1 adds the materials such as copper, chromium, silicon, manganese using HT250, so that the intensity of cylinder block ontology 1, rigidity obtain
Reinforce.It being designed using gantry overall structure, wet liner hole, the micro variation of cylinder centre line spacing, train coordinate dimension is basically unchanged,
Make the cylinder block that there is installation dimension to change small, versatile advantage.By Strength co-mputation and finite element analysis, this is practical new
The cylinder block performance indexes of type all reaches excellent, has filled up the series model in the blank of 90kW~210kW power section, has been somebody's turn to do
Utility model has high popularization and application value.
The utility model is not limited to above-mentioned specific embodiment, and cylinder body wall thickness can be according to " Design Technology for Diesels handbook "
In recommendation 6mm~7mm selection.Such as: with the variation of 3 diameter of cylinder-bore, the wall thickness of cylinder jacket can be used 5.5mm~
12mm can also select other values, but define the center between two cylinder jacket away from 3 diameter of 127 ± 2mm and cylinder-bore
120mm~127mm.
In the description of this specification, it is to be understood that " upper cylinder hole ", " lower cylinder hole ", " inner wall ", " outer wall ",
The orientation or positional relationship of descriptions such as " lower sections " are orientation or positional relationship based on the figure, it is only for are convenient for
Describe the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Although the foregoing describe specific embodiment of the present utility model, it should be appreciated by those skilled in the art,
Described embodiment is only a part of the embodiment of the utility model, and instead of all the embodiments, these are only to lift
Example explanation, the protection scope of the utility model is to be defined by the appended claims.Those skilled in the art is without departing substantially from this
It, can be to these embodiments under any creative labor of no process under the premise of the principle and essence of utility model
Various changes or modifications are made, but these change and modification each fall within the protection scope of the utility model.
Claims (10)
1. Multi-cylinder diesel engine cylinder body, the Multi-cylinder diesel engine cylinder body includes cylinder block ontology and is set to the cylinder block sheet
Multiple cylinder-bores on body, which is characterized in that be provided with hole wall in the cylinder bore wall between per two adjacent cylinder-bores
Gap, whole cylinder-bores are connected to the cooling water cavity to form perforation by the hole wall gap.
2. Multi-cylinder diesel engine cylinder body as described in claim 1, which is characterized in that the cylinder-bore includes being coaxially set
Upper cylinder hole and lower cylinder hole, the diameter in the upper cylinder hole are greater than the diameter in the lower cylinder hole, the upper cylinder hole and institute
The transition position for stating lower cylinder hole forms the cylinder sleeve supporting table for being used to support cylinder jacket.
3. Multi-cylinder diesel engine cylinder body as claimed in claim 2, which is characterized in that the hole wall gap is set to adjacent institute
In the cylinder bore wall for stating upper cylinder hole.
4. Multi-cylinder diesel engine cylinder body as claimed in claim 3, which is characterized in that the hole wall gap extends to from top to bottom
The cylinder sleeve supporting table.
5. Multi-cylinder diesel engine cylinder body as claimed in claim 2, which is characterized in that be additionally provided with cylinder on the cylinder block ontology
Bonnet bolt hole, the cylinder bolt hole are located at the periphery of the cylinder-bore, and the cylinder bolt hole extends to the cylinder sleeve support
The lower section of plane where platform.
6. Multi-cylinder diesel engine cylinder body as claimed in claim 5, which is characterized in that the cylinder bolt hole includes being located at top
Unthreaded hole section and thread segment positioned at lower part.
7. Multi-cylinder diesel engine cylinder body as described in claim 1, which is characterized in that between the two neighboring cylinder-bore
The heart is 127 ± 2mm away from L1.
8. Multi-cylinder diesel engine cylinder body as claimed in claim 2, which is characterized in that the upper cylinder bore dia D be 120mm~
127mm；The lower cylinder bore dia d is 110~122mm.
9. Multi-cylinder diesel engine cylinder body as described in claim 1, which is characterized in that the centre-height K of the cylinder block ontology
For 338~348mm.
10. Multi-cylinder diesel engine cylinder body as described in claim 1, which is characterized in that when the cylinder-bore is six, the gas
The total length L 2 of cylinder body ontology is 786mm~812mm；When the cylinder-bore is four, the total length L 2 of the cylinder block ontology
For 535mm~550mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822110169.9U CN209244678U (en) | 2018-12-14 | 2018-12-14 | Multi-cylinder diesel engine cylinder body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822110169.9U CN209244678U (en) | 2018-12-14 | 2018-12-14 | Multi-cylinder diesel engine cylinder body |
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| Publication Number | Publication Date |
|---|---|
| CN209244678U true CN209244678U (en) | 2019-08-13 |
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ID=67533067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822110169.9U Active CN209244678U (en) | 2018-12-14 | 2018-12-14 | Multi-cylinder diesel engine cylinder body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209244678U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502852A (en) * | 2020-04-14 | 2020-08-07 | 广西玉柴机器股份有限公司 | Cylinder block structure |
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2018
- 2018-12-14 CN CN201822110169.9U patent/CN209244678U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502852A (en) * | 2020-04-14 | 2020-08-07 | 广西玉柴机器股份有限公司 | Cylinder block structure |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Multi cylinder diesel engine cylinder block Granted publication date: 20190813 Pledgee: Anqiu Shandong rural commercial bank Limited by Share Ltd. Pledgor: SHANDONG KOFO POWER CO.,LTD. Registration number: Y2024980008172 |