CN103758653A - Diesel engine cylinder cover for high-speed ship - Google Patents
Diesel engine cylinder cover for high-speed ship Download PDFInfo
- Publication number
- CN103758653A CN103758653A CN201310750036.7A CN201310750036A CN103758653A CN 103758653 A CN103758653 A CN 103758653A CN 201310750036 A CN201310750036 A CN 201310750036A CN 103758653 A CN103758653 A CN 103758653A
- Authority
- CN
- China
- Prior art keywords
- cylinder head
- diesel engine
- cylinder cover
- cylinder
- engine cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
- F02F1/26—Cylinder heads having cooling means
- F02F1/28—Cylinder heads having cooling means for air cooling
Abstract
The invention discloses a diesel engine cylinder cover for a high-speed ship. The diesel engine cylinder cover for the high-speed ship comprises a cylinder cover body and a cylinder cover strength reinforcement body, wherein the ratio of the thickness of the cylinder cover body to the diesel engine cylinder diameter is 1:1, the cylinder cover strength reinforcement body is arranged at the top of the cylinder cover body, the ratio of the thickness of the cylinder cover strength reinforcement body to the diesel engine cylinder diameter is 0.45-0.55, and the cylinder cover body and the cylinder cover strength reinforcement body are of an integrated casting forming structure. The diesel engine cylinder cover for the high-speed ship is simple and reasonable in structure, the ratio of the total thickness of the cylinder cover to the cylinder diameter is 1.55-1.75 by arranging the reinforcement structure in the thickness direction of the cylinder cover, and the cylinder cover has enough integral strength, has higher sealing reliability and can be suitable for higher detonation pressure in a cylinder.
Description
Technical field
The present invention relates to engine art, particularly a kind of high speed diesel engine cylinder head for ship.
Background technique
As everyone knows, the cylinder head of diesel engine is the important component part of diesel engine, cylinder head and cylinder block adopt after bolts assemblies, formed the confined space of reciprocating motion of the pistons, the pressure that fuel oil produces when cylinder combustion is burnt is conventionally higher, need cylinder to be stamped enough intensity, its sealing reliability of cylinder head that thickness is larger is better, and the thickness requirement of cylinder head is not less than the bore size of diesel engine conventionally.
At present, the cylinder head thickness size that domestic diesel engine adopts is generally 1 to 1 with diesel engine cylinder diameter dimension ratio, and structural strength is low, cannot bear detonation pressure in higher cylinder, and cold start-up ability, fuel economy and the power output of motor are restricted.
Summary of the invention
The present invention is in order to overcome defect in above-mentioned prior art, provides a kind of simple and reasonable, and thickness size and bore size ratio are larger, the high speed diesel engine cylinder head for ship that structural strength is high.
For achieving the above object, according to the invention provides a kind of high speed diesel engine cylinder head for ship, comprising:
Cylinder head body, its thickness size is 1 to 1 with diesel engine cylinder diameter dimension ratio;
Cylinder head intensity enhancing body, is laid in cylinder head bodies top, and its thickness size and diesel engine cylinder diameter ratio are between 0.45-0.55, and cylinder head body and cylinder head intensity enhancing body are integrated casting structure.
In technique scheme, the ratio of the thickness size of cylinder head intensity enhancing body and cylinder head total thickness size is between 0.45-0.55.
In technique scheme, the general thickness of cylinder head body and cylinder head intensity enhancing body and diesel engine cylinder diameter ratio are between 1.55-1.75.
In technique scheme, on cylinder head intensity enhancing body, offer pitman arm shaft mounting hole.
Compared with prior art, the present invention has following beneficial effect: this high speed diesel engine cylinder head for ship is simple and reasonable, by set up the enhancing structure of thickness direction in cylinder head, and at this integrated rocker arm shaft support in enhancing structure place, make the overall thickness size of cylinder head and cylinder diameter ratio between 1.55-1.75 on the one hand, cylinder head general thickness size and bore size ratio are larger, guarantee that cylinder is stamped enough bulk strengths, seal more reliably, can be applicable to detonation pressure in higher cylinder; On the other hand, make that air cylinder head structure is simple compact, positioning precision is high, mounting or dismounting are convenient, compact structure, be convenient to maintaining.
Accompanying drawing explanation
Fig. 1 is the structural representation of high speed diesel engine cylinder head for ship of the present invention;
Fig. 2 is the sectional structure schematic diagram of the A-A direction of Fig. 1;
Description of reference numerals:
1-cylinder head body, 2-cylinder head intensity enhancing body, 3-pitman arm shaft mounting hole.
Embodiment
Below in conjunction with accompanying drawing, a specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention is not subject to the restriction of embodiment.It will be appreciated that, mentioned in following mode of execution of the present invention " on ", D score, " left side ", " right side ", " front " and " reverse side " be all take the direction shown in each figure as benchmark, these words that are used for limiting direction are only used to be convenient to explanation, do not represent the restriction to the concrete technological scheme of the present invention.
High speed diesel engine cylinder head for ship of the present invention is simple and reasonable, by set up the enhancing structure of thickness direction in cylinder head, and at this integrated rocker arm shaft support in enhancing structure place, make the overall thickness size of cylinder head and cylinder diameter ratio between 1.55-1.75 on the one hand, cylinder head general thickness size and bore size ratio are larger, guarantee that cylinder is stamped enough bulk strengths, seal more reliably, can be applicable to detonation pressure in higher cylinder; On the other hand, adopt the integrated monolithic construction design of pitman arm shaft mounting hole and cylinder head, make the simple compactness of air cylinder head structure, positioning precision is high, mounting or dismounting are convenient, compact structure, be convenient to maintaining.
Detailed description by way of example but unrestriced mode has illustrated the disclosure, should be understood that the realization that can be combined by independent realization or with other aspects in various aspect of the present disclosure below.This specification clearly enables those skilled in the art to manufacture and uses us to believe for new and non-obvious improvement, describe some embodiments, alternative, modification, alternative and system applies, comprised the current best mode that is considered to carry out the inventive principle of describing in this specification.When describing element or feature and/or embodiment, titled with " one " " one " " be somebody's turn to do " and " described ", be intended to expression and there are one or more in element or feature.Term " comprises " that " comprising " and " having " is intended to is comprising property, and also has extra element or feature beyond being illustrated in those specifically described elements or feature.
As depicted in figs. 1 and 2, the concrete structure of this high speed diesel engine cylinder head for ship comprises: cylinder head body 1 and be laid in the cylinder head intensity enhancing body 2 at cylinder head body 1 top, and be opened in the pitman arm shaft mounting hole 3 on this cylinder head intensity enhancing body 2.Wherein, cylinder head body 1 is integrated casting structure with cylinder head intensity enhancing body 2, makes cylinder head general thickness size and cylinder diameter ratio between 1.55-1.75, guarantees that cylinder is stamped enough bulk strengths, seals more reliable.Pitman arm shaft mounting hole 3 is for installing pitman arm shaft, and inlet valve rocker and exhaust valve rocker arm are arranged on pitman arm shaft, guarantees that the installation of pitman arm shaft is convenient, compact structure, and accurate positioning, the work of inlet valve rocker assembly and exhaust valve rocker arm assembly is more reliable; Greatly reduced the component of relevant assist location, installation and sealing, thereby reduced costs; The accessibility of care and maintenance is good, is easy to mounting or dismounting, is conducive to apply.
Cylinder head body 1(is shown in the dot and dash line square frame that is positioned at below in Fig. 1) thickness size be X, it is 1 to 1 with diesel engine cylinder diameter dimension ratio, the general thickness of this high speed diesel engine cylinder head for ship is Y, itself and cylinder diameter ratio are between 1.55-1.75, to guarantee that cylinder is stamped enough bulk strengths, seal more reliably, go for detonation pressure in higher cylinder.
Cylinder head intensity enhancing body 2(is shown in the dot and dash line square frame that is positioned at top in Fig. 1) thickness size (Y-X) and the ratio of cylinder head total thickness size Y between 0.45-0.55, the thickness size (Y-X) of cylinder head intensity enhancing body 2 and cylinder diameter ratio are between 0.45-0.55, guaranteed that cylinder head general thickness size meets the demand of higher detonation pressure, make again physical dimension less, structure is compacter.
Pitman arm shaft mounting hole 3 is opened on cylinder head intensity enhancing body 2, for pitman arm shaft is installed, exhaust valve rocker arm and inlet valve rocker is also installed on pitman arm shaft.During installation, first inlet valve rocker bearing is laterally packed in intake valve bearing hole, exhaust valve rocking arm axle takes up in exhaust valve bearing hole, at this moment difference mounting O-shaped seal ring in the inner axle of pitman arm shaft of pitman arm shaft and the sealed groove of pitman arm shaft outer end axle, inner pitman arm shaft axle is pierced into pitman arm shaft mounting hole 3, penetrate successively again exhaust valve rocker arm bearing and packing ring on inlet valve rocker bearing on packing ring, inlet valve rocker, packing ring, exhaust valve rocker arm, finally pitman arm shaft outer end axle is pierced in pitman arm shaft mounting hole 3; The O RunddichtringO being positioned on the inner axle of pitman arm shaft and pitman arm shaft outer end axle plays seal action; Packing ring can prevent the wearing and tearing between surface of contact, effectively guarantees the Security of assembling.
To sum up, this high speed diesel engine cylinder head for ship is simple and reasonable, by set up the enhancing structure of thickness direction in cylinder head, and at this integrated rocker arm shaft support in enhancing structure place, make the overall thickness size of cylinder head and cylinder diameter ratio between 1.55-1.75 on the one hand, cylinder head general thickness size and bore size ratio are larger, guarantee that cylinder is stamped enough bulk strengths, seal more reliably, can be applicable to detonation pressure in higher cylinder; On the other hand, make that air cylinder head structure is simple compact, positioning precision is high, mounting or dismounting are convenient, compact structure, be convenient to maintaining.
Finally it should be noted that: above embodiment is only in order to illustrate patent of the present invention and the described technological scheme of unrestricted patent of the present invention; Therefore, although this specification has been described in detail patent of invention with reference to each above-mentioned embodiment,, those of ordinary skill in the art should be appreciated that still and can modify or be equal to replacement patent of the present invention; And all do not depart from technological scheme and the improvement thereof of the spirit and scope of patent of the present invention, it all should be encompassed in the claim scope of patent of the present invention.
Claims (4)
1. a high speed diesel engine cylinder head for ship, is characterized in that, comprising:
Cylinder head body, its thickness size is 1 to 1 with diesel engine cylinder diameter dimension ratio;
Cylinder head intensity enhancing body, is laid in described cylinder head bodies top, and its thickness size and diesel engine cylinder diameter ratio are between 0.45-0.55, and described cylinder head body and cylinder head intensity enhancing body are integrated casting structure.
2. high speed diesel engine cylinder head for ship according to claim 1, is characterized in that: the ratio of the thickness size of described cylinder head intensity enhancing body and cylinder head total thickness size is between 0.45-0.55.
3. high speed diesel engine cylinder head for ship according to claim 1, is characterized in that: the general thickness of described cylinder head body and cylinder head intensity enhancing body and diesel engine cylinder diameter ratio are between 1.55-1.75.
4. according to the high speed diesel engine cylinder head for ship described in any one in claims 1 to 3, it is characterized in that: on described cylinder head intensity enhancing body, offer pitman arm shaft mounting hole.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310750036.7A CN103758653B (en) | 2013-12-31 | 2013-12-31 | Diesel engine cylinder cover for high-speed ship |
| JP2016555877A JP2016538484A (en) | 2013-12-31 | 2014-08-01 | Cylinder head of high-speed marine diesel engine |
| AU2014101537A AU2014101537A4 (en) | 2013-12-31 | 2014-08-01 | Cylinder head for high-speed marine diesel engines |
| PCT/CN2014/083537 WO2015101037A1 (en) | 2013-12-31 | 2014-08-01 | Cylinder cover for high-speed marine diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310750036.7A CN103758653B (en) | 2013-12-31 | 2013-12-31 | Diesel engine cylinder cover for high-speed ship |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103758653A true CN103758653A (en) | 2014-04-30 |
| CN103758653B CN103758653B (en) | 2015-03-25 |
Family
ID=50525948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310750036.7A Active CN103758653B (en) | 2013-12-31 | 2013-12-31 | Diesel engine cylinder cover for high-speed ship |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2016538484A (en) |
| CN (1) | CN103758653B (en) |
| AU (1) | AU2014101537A4 (en) |
| WO (1) | WO2015101037A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015101037A1 (en) * | 2013-12-31 | 2015-07-09 | 广西玉柴机器股份有限公司 | Cylinder cover for high-speed marine diesel engine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5213073A (en) * | 1990-11-05 | 1993-05-25 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Cylinder head of an internal combustion engine |
| CN101397948A (en) * | 2007-09-27 | 2009-04-01 | 三菱自动车工业株式会社 | Cylinder head |
| CN201786469U (en) * | 2010-09-21 | 2011-04-06 | 重庆长安汽车股份有限公司 | Cylinder cover of engine of automobile |
| CN202468044U (en) * | 2011-12-29 | 2012-10-03 | 上汽通用五菱汽车股份有限公司 | Small gasoline engine cylinder cover |
| CN203614253U (en) * | 2013-12-31 | 2014-05-28 | 广西玉柴机器股份有限公司 | Cylinder cover for high-speed marine diesel engine |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60147704U (en) * | 1984-03-12 | 1985-10-01 | 株式会社クボタ | Diesel engine cylinder head and overhead camshaft mounting device |
| JPS63147508U (en) * | 1987-03-19 | 1988-09-28 | ||
| KR100379306B1 (en) * | 2000-09-14 | 2003-04-08 | 현대자동차주식회사 | Assembly structure of cylinder head |
| US8813710B2 (en) * | 2011-07-27 | 2014-08-26 | Chrysler Group Llc | Cylinder head assembly and method of forming the same |
| CN103758653B (en) * | 2013-12-31 | 2015-03-25 | 广西玉柴机器股份有限公司 | Diesel engine cylinder cover for high-speed ship |
-
2013
- 2013-12-31 CN CN201310750036.7A patent/CN103758653B/en active Active
-
2014
- 2014-08-01 WO PCT/CN2014/083537 patent/WO2015101037A1/en active Application Filing
- 2014-08-01 AU AU2014101537A patent/AU2014101537A4/en not_active Expired
- 2014-08-01 JP JP2016555877A patent/JP2016538484A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5213073A (en) * | 1990-11-05 | 1993-05-25 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Cylinder head of an internal combustion engine |
| CN101397948A (en) * | 2007-09-27 | 2009-04-01 | 三菱自动车工业株式会社 | Cylinder head |
| CN201786469U (en) * | 2010-09-21 | 2011-04-06 | 重庆长安汽车股份有限公司 | Cylinder cover of engine of automobile |
| CN202468044U (en) * | 2011-12-29 | 2012-10-03 | 上汽通用五菱汽车股份有限公司 | Small gasoline engine cylinder cover |
| CN203614253U (en) * | 2013-12-31 | 2014-05-28 | 广西玉柴机器股份有限公司 | Cylinder cover for high-speed marine diesel engine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015101037A1 (en) * | 2013-12-31 | 2015-07-09 | 广西玉柴机器股份有限公司 | Cylinder cover for high-speed marine diesel engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103758653B (en) | 2015-03-25 |
| JP2016538484A (en) | 2016-12-08 |
| AU2014101537A4 (en) | 2015-02-12 |
| WO2015101037A1 (en) | 2015-07-09 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230116 Address after: No.88 Tianqiao West Road, Yulin City, Guangxi Zhuang Autonomous Region Patentee after: Guangxi Yuchai Ship Electric Power Co.,Ltd. Address before: 537005 No. 88 flyover West Road, the Guangxi Zhuang Autonomous Region, Yulin Patentee before: Guangxi Yuchai Machinery Co.,Ltd. |