WO2015101037A1 - 高速船用柴油机气缸盖 - Google Patents

高速船用柴油机气缸盖 Download PDF

Info

Publication number
WO2015101037A1
WO2015101037A1 PCT/CN2014/083537 CN2014083537W WO2015101037A1 WO 2015101037 A1 WO2015101037 A1 WO 2015101037A1 CN 2014083537 W CN2014083537 W CN 2014083537W WO 2015101037 A1 WO2015101037 A1 WO 2015101037A1
Authority
WO
WIPO (PCT)
Prior art keywords
cylinder head
diesel engine
cylinder
ratio
marine diesel
Prior art date
Application number
PCT/CN2014/083537
Other languages
English (en)
French (fr)
Inventor
沈捷
李伟
黄永仲
王利民
覃文
王利乐
蔡晓霞
Original Assignee
广西玉柴机器股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 广西玉柴机器股份有限公司 filed Critical 广西玉柴机器股份有限公司
Priority to JP2016555877A priority Critical patent/JP2016538484A/ja
Publication of WO2015101037A1 publication Critical patent/WO2015101037A1/zh

Links

Classifications

    • 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

Definitions

  • the invention relates to the field of engines, and in particular to a cylinder head for a high speed marine diesel engine. Background technique
  • the cylinder head of a diesel engine is an important part of the diesel engine. After the cylinder head and the cylinder block are assembled with bolts, a closed space in which the piston reciprocates is formed.
  • the pressure generated when the fuel is burned in the cylinder is usually high, and the cylinder head is required to have Sufficient strength, the thicker the cylinder head, the better the sealing reliability.
  • the thickness of the cylinder head is not lower than the cylinder size of the diesel engine.
  • the ratio of the cylinder head thickness dimension of the domestic diesel engine to the cylinder bore size of the diesel engine is usually 1 to 1, the structural strength is low, and the high in-cylinder pressure cannot be withstood.
  • the cold start capability, fuel economy and power output of the engine are limited. . Summary of the invention
  • the present invention is to overcome the above-mentioned deficiencies in the prior art and to provide a high speed marine diesel engine cylinder head having a simple and reasonable structure, a large ratio of thickness to cylinder size, and high structural strength.
  • a high speed marine diesel engine cylinder head comprising: a cylinder head body having a thickness ratio of a cylinder bore diameter ratio of 1 to 1;
  • the cylinder head strength reinforcement body is arranged on the top of the cylinder head body, and the thickness dimension thereof and the cylinder bore ratio of the diesel engine are between 0.45 and 0.55, and the cylinder head body and the cylinder head strength reinforcement body are integrally cast and formed.
  • the ratio of the thickness dimension of the cylinder head strength reinforcement to the total thickness of the cylinder head is between 0.45 and 0.55.
  • the ratio of the total thickness of the cylinder head body and the cylinder head strength reinforcement to the cylinder diameter of the diesel engine is between 1.55-1.75.
  • the cylinder head strength reinforcing body is provided with a rocker shaft mounting hole.
  • the invention has the following beneficial effects: The structure of the high-speed marine diesel engine cylinder head is simple and reasonable, and a reinforcing structure in the thickness direction is added to the cylinder head, and the rocker shaft bearing is integrated at the reinforcing structure, Making the overall thickness dimension and cylinder diameter ratio of the cylinder head
  • the ratio of the overall thickness of the cylinder head to the cylinder size is large, ensuring that the cylinder head has sufficient overall strength, the seal is more reliable, and can be applied to higher in-cylinder pressure; on the other hand, the cylinder head structure Simple and compact, high positioning accuracy, easy assembly and disassembly, compact structure and easy maintenance.
  • FIG. 1 is a schematic structural view of a cylinder head of a high speed marine diesel engine of the present invention
  • Figure 2 is a cross-sectional structural view of the A-A direction of Figure 1;
  • the high-speed marine diesel engine cylinder head of the invention has a simple and reasonable structure, and a rocker shaft bearing is integrated in the cylinder head by adding a reinforcing structure in the thickness direction, and the overall thickness dimension and the cylinder diameter ratio of the cylinder head are on the one hand Between 1.55-1.75, the overall thickness of the cylinder head and the cylinder diameter The large ratio of the inch ensures that the cylinder head has sufficient overall strength, the seal is more reliable, and can be applied to higher in-cylinder pressure; on the other hand, the integral structural design of the rocker shaft mounting hole and the cylinder head is integrated.
  • the cylinder head structure is simple and compact, the positioning precision is high, the assembly and disassembly is convenient, the structure is compact, and the maintenance is convenient.
  • the specific structure of the high-speed marine diesel engine cylinder head includes: a cylinder head body 1 and a cylinder head strength reinforcing body 2 disposed on the top of the cylinder head body 1, and a cylinder strength enhancement body 2
  • the cylinder head body 1 and the cylinder head strength reinforcing body 2 are integrally cast and formed, so that the overall thickness dimension of the cylinder head and the cylinder diameter ratio are between 1.55-1.75, which ensures that the cylinder head has sufficient overall strength and the sealing is more reliable.
  • the rocker shaft mounting hole 3 is used to mount the rocker arm shaft, and the intake valve rocker arm and the exhaust valve rocker arm are mounted on the rocker arm shaft, ensuring convenient installation of the rocker arm shaft, compact structure, accurate positioning, and the intake valve rocker arm
  • the components and the exhaust valve rocker arm assembly work more reliably; the associated auxiliary positioning, installation and sealing of components are greatly reduced, thereby reducing costs; the accessibility of maintenance and service is good, easy to assemble and disassemble, and is conducive to popularization and application.
  • the cylinder head body 1 (see the dotted line box below in Fig. 1) has a thickness X, which is 1 to 1 in comparison with the cylinder bore size of the diesel engine.
  • the overall thickness of the high speed marine diesel cylinder head is Y, and the bore diameter The ratio is between 1.55-1.75 to ensure that the cylinder head has sufficient overall strength and the seal is more reliable and can be used for higher in-cylinder pressure.
  • the ratio of the thickness dimension (YX) of the cylinder head strength reinforcement 2 (see the dotted line frame at the top in FIG. 1) to the total thickness dimension Y of the cylinder head is between 0.45 and 0.55, and the cylinder head strength reinforcement 2
  • the thickness dimension (YX) and the cylinder bore ratio range from 0.45 to 0.55, ensuring that the overall thickness of the cylinder head meets the requirements for higher burst pressure, and the structural size is smaller and the structure is more compact.
  • the rocker shaft mounting hole 3 is formed on the cylinder head strength reinforcing body 2 for mounting the rocker arm shaft, and the exhaust valve rocker arm and the intake valve rocker arm are also mounted on the rocker arm shaft.
  • rocker shaft outer end shaft into the rocker shaft mounting hole 3; located in the rocker shaft inner end shaft and rocker shaft
  • the 0-ring on the outer end shaft acts as a seal; the washer prevents wear between the contact surfaces and effectively ensures assembly safety.
  • the high-speed marine diesel engine cylinder head structure is simple and reasonable, by adding a reinforcing structure in the thickness direction of the cylinder head, and integrating the rocker arm shaft support at the reinforcing structure, on the one hand, the overall thickness dimension and the cylinder bore ratio of the cylinder head are interposed. Between 1.55-1.75, the ratio of the overall thickness of the cylinder head to the cylinder size is large, ensuring that the cylinder head has sufficient overall strength, the seal is more reliable, and can be applied to higher in-cylinder pressure; on the other hand, the cylinder head
  • the structure is simple and compact, the positioning precision is high, the assembly and disassembly is convenient, the structure is compact, and the maintenance is convenient.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Abstract

一种高速船用柴油机气缸盖，包括：气缸盖本体（1），其厚度尺寸与柴油机缸径尺寸比值为1:1;气缸盖强度增强体（2），其厚度尺寸与柴油机缸径比值介于0.45-0.55之间，气缸盖本体（1）与气缸盖增强体（2）为一体铸造成型结构。

Description

高速船用柴油机气缸盖 技术领域
本发明涉及发动机领域， 特别涉及一种高速船用柴油机气缸盖。 背景技术
众所周知， 柴油机的气缸盖是柴油机的重要组成部分， 气缸盖与气缸体 釆用螺栓装配后， 形成了活塞往复运动的密闭空间， 燃油在气缸内燃烧时产 生的压力通常较高， 需要气缸盖有足够的强度， 厚度越大的气缸盖其密封可 靠性越好， 通常气缸盖的厚度要求不低于柴油机的缸径尺寸。
目前， 国内柴油机釆用的气缸盖厚度尺寸与柴油机缸径尺寸比值通常为 1比 1 , 结构强度低， 无法承受较高的缸内爆压， 发动机的冷启动能力、 燃油 经济性以及动力输出受到限制。 发明内容
本发明是为了克服上述现有技术中缺陷， 提供了一种结构简单合理， 厚 度尺寸与缸径尺寸比值较大， 结构强度高的高速船用柴油机气缸盖。
为达到上述目的， 根据本发明提供了一种高速船用柴油机气缸盖， 包括: 气缸盖本体， 其厚度尺寸与柴油机缸径尺寸比值为 1比 1 ;
气缸盖强度增强体， 布设在气缸盖本体顶部， 其厚度尺寸与柴油机缸径 比值介于 0.45-0.55之间， 气缸盖本体与气缸盖强度增强体为一体铸造成型结 构。
上述技术方案中， 气缸盖强度增强体的厚度尺寸与气缸盖总厚度尺寸的 比值介于 0.45-0.55之间。
上述技术方案中， 气缸盖本体与气缸盖强度增强体的总体厚度与柴油机 缸径比值介于 1.55-1.75之间。 上述技术方案中， 气缸盖强度增强体上开设有摇臂轴安装孔。 与现有技术相比， 本发明具有如下有益效果： 该高速船用柴油机气缸盖 结构简单合理， 通过在气缸盖增设厚度方向的增强结构， 并在该增强结构处 集成摇臂轴支座， 一方面使得气缸盖总体的厚度尺寸与缸径比值介于
1.55-1.75之间， 气缸盖总体厚度尺寸与缸径尺寸比值较大， 确保气缸盖有足 够的整体强度， 密封更加可靠， 能够适用于更高的缸内爆压； 另一方面， 使 得气缸盖结构简单紧凑、 定位精度高、 装拆方便、 结构紧凑、 便于维护保养。
下面通过附图和实施例， 对本发明的技术方案做进一步的详细描述。 附图说明
附图用来提供对本发明的进一步理解， 并且构成说明书的一部分， 与 本发明的实施例一起用于解释本发明， 并不构成对本发明的限制。 在附图 中：
图 1为本发明的高速船用柴油机气缸盖的结构示意图；
图 2为图 1的 A-A方向的剖视结构示意图；
结合附图在其上标记以下附图标记：
1-气缸盖本体；
2-气缸盖强度增强体；
3-摇臂轴安装孔。 具体实施方式
以下结合附图对本发明的优选实施例进行说明， 应当理解， 此处所描 述的优选实施例仅用于说明和解释本发明， 并不用于限定本发明。
本发明的高速船用柴油机气缸盖结构简单合理， 通过在气缸盖增设厚度 方向的增强结构， 并在该增强结构处集成摇臂轴支座， 一方面使得气缸盖总 体的厚度尺寸与缸径比值介于 1.55-1.75之间， 气缸盖总体厚度尺寸与缸径尺 寸比值较大， 确保气缸盖有足够的整体强度， 密封更加可靠， 能够适用于更 高的缸内爆压； 另一方面， 釆用摇臂轴安装孔与气缸盖集成的整体式结构设 计， 使得气缸盖结构简单紧凑、 定位精度高、 装拆方便、 结构紧凑、 便于维 护保养。
如图 1和图 2所示， 该高速船用柴油机气缸盖的具体结构包括： 气缸盖 本体 1和布设在气缸盖本体 1顶部的气缸盖强度增强体 2, 以及开设在该气 缸盖强度增强体 2上的摇臂轴安装孔 3。 其中， 气缸盖本体 1与气缸盖强度 增强体 2 为一体铸造成型结构， 使得气缸盖总体厚度尺寸与缸径比值介于 1.55-1.75之间， 确保气缸盖有足够的整体强度， 密封更加可靠。 摇臂轴安装 孔 3用于安装摇臂轴， 进气门摇臂和排气门摇臂安装在摇臂轴上， 确保摇臂 轴的安装便捷， 结构紧凑， 定位准确， 进气门摇臂组件及排气门摇臂组件的 工作更加可靠； 极大减少了相关辅助定位、 安装和密封的零部件， 从而降低 成本； 维护和保养的可接近性好， 易于装拆， 有利于推广应用。
气缸盖本体 1 (见图 1 中位于下方的点划线方框） 的厚度尺寸为 X, 其 与柴油机缸径尺寸比值为 1比 1 , 该高速船用柴油机气缸盖的总体厚度为 Y, 其与缸径比值介于 1.55-1.75之间， 以确保气缸盖有足够的整体强度， 密封更 加可靠， 可以适用于更高的缸内爆压。
气缸盖强度增强体 2(见图 1中位于上方的点划线方框）的厚度尺寸（Y-X ) 与气缸盖总厚度尺寸 Y的比值介于 0.45-0.55之间，气缸盖强度增强体 2的厚 度尺寸 （Y-X )与缸径比值介于 0.45-0.55之间， 确保了气缸盖总体厚度尺寸 即满足更高爆压的需求， 又使结构尺寸较小， 结构更加紧凑。
摇臂轴安装孔 3开设在气缸盖强度增强体 2上， 用于安装摇臂轴， 在摇 臂轴上还安装排气门摇臂和进气门摇臂。 安装时， 先将进气门摇臂轴承横向 装入进气门轴承孔内， 排气门摇臂轴承装入排气门轴承孔内， 这时在摇臂轴 的摇臂轴内端轴和摇臂轴外端轴的密封 槽内分别安装 0型密封圈， 将摇臂 轴内端轴穿进摇臂轴安装孔 3 , 再依次穿入垫圈、 进气门摇臂上的进气门摇 臂轴承、 垫圈、 排气门摇臂上的排气门摇臂轴承和垫圈， 最后将摇臂轴外端 轴穿进摇臂轴安装孔 3中； 位于摇臂轴内端轴以及摇臂轴外端轴上的 0型密 封圈起到密封作用； 垫圈能够防止接触面之间的磨损， 有效的保证装配的安 全性。
综上， 该高速船用柴油机气缸盖结构简单合理， 通过在气缸盖增设厚度 方向的增强结构， 并在该增强结构处集成摇臂轴支座， 一方面使得气缸盖总 体的厚度尺寸与缸径比值介于 1.55-1.75之间， 气缸盖总体厚度尺寸与缸径尺 寸比值较大， 确保气缸盖有足够的整体强度， 密封更加可靠， 能够适用于更 高的缸内爆压； 另一方面， 使得气缸盖结构简单紧凑、 定位精度高、 装拆方 便、 结构紧凑、 便于维护保养。
最后应说明的是： 以上实施例仅用以说明本发明的技术方案， 而非对其 限制； 尽管参照前述实施例对本发明进行了详细的说明， 本领域的普通技术 人员应当理解： 其依然可以对前述各实施例所记载的技术方案进行修改， 或 者对其中部分技术特征进行等同替换； 而这些修改或者替换， 并不使相应技 术方案的本质脱离本发明各实施例技术方案的精神和范围。

Claims

权利 要 求 书
1. 一种高速船用柴油机气缸盖， 其特征在于， 包括：
气缸盖本体， 其厚度尺寸与柴油机缸径尺寸比值为 1比 1 ;
气缸盖强度增强体， 布设在所述气缸盖本体顶部， 其厚度尺寸与柴油 机缸径比值介于 0.45-0.55 之间， 所述气缸盖本体与气缸盖强度增强体为 一体铸造成型结构。
2. 根据权利要求 1所述的高速船用柴油机气缸盖， 其特征在于： 所述 气缸盖强度增强体的厚度尺寸与气缸盖总厚度尺寸的比值介于 0.45-0.55 之间。
3. 根据权利要求 1所述的高速船用柴油机气缸盖， 其特征在于： 所述 气缸盖本体与气缸盖强度增强体的总体厚度与柴油机缸径比值介于 1.55-1.75之间。
4. 根据权利要求 1至 3中任一项所述的高速船用柴油机气缸盖，其特 征在于： 所述气缸盖强度增强体上开设有摇臂轴安装孔。
PCT/CN2014/083537 2013-12-31 2014-08-01 高速船用柴油机气缸盖 WO2015101037A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2016555877A JP2016538484A (ja) 2013-12-31 2014-08-01 高速舶用ディーゼルエンジンのシリンダヘッド

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310750036.7A CN103758653B (zh) 2013-12-31 2013-12-31 高速船用柴油机气缸盖
CN201310750036.7 2013-12-31

Publications (1)

Publication Number Publication Date
WO2015101037A1 true WO2015101037A1 (zh) 2015-07-09

Family

ID=50525948

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2014/083537 WO2015101037A1 (zh) 2013-12-31 2014-08-01 高速船用柴油机气缸盖

Country Status (4)

Country Link
JP (1) JP2016538484A (zh)
CN (1) CN103758653B (zh)
AU (1) AU2014101537A4 (zh)
WO (1) WO2015101037A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103758653B (zh) * 2013-12-31 2015-03-25 广西玉柴机器股份有限公司 高速船用柴油机气缸盖

Citations (6)

* Cited by examiner, † Cited by third party
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
KR20020021183A (ko) * 2000-09-14 2002-03-20 이계안 강도 증대를 위한 실린더헤드의 조립 구조
CN101397948A (zh) * 2007-09-27 2009-04-01 三菱自动车工业株式会社 气缸盖
WO2013016093A1 (en) * 2011-07-27 2013-01-31 Chrysler Group Llc Cylinder head assembly and method of forming the same
CN103758653A (zh) * 2013-12-31 2014-04-30 广西玉柴机器股份有限公司 高速船用柴油机气缸盖
CN203614253U (zh) * 2013-12-31 2014-05-28 广西玉柴机器股份有限公司 高速船用柴油机气缸盖

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60147704U (ja) * 1984-03-12 1985-10-01 株式会社クボタ ディーゼルエンジンのシリンダヘッド及び頭上カム軸取付装置
JPS63147508U (zh) * 1987-03-19 1988-09-28
CN201786469U (zh) * 2010-09-21 2011-04-06 重庆长安汽车股份有限公司 一种汽车发动机气缸盖
CN202468044U (zh) * 2011-12-29 2012-10-03 上汽通用五菱汽车股份有限公司 一种小型汽油发动机缸盖

Patent Citations (6)

* Cited by examiner, † Cited by third party
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
KR20020021183A (ko) * 2000-09-14 2002-03-20 이계안 강도 증대를 위한 실린더헤드의 조립 구조
CN101397948A (zh) * 2007-09-27 2009-04-01 三菱自动车工业株式会社 气缸盖
WO2013016093A1 (en) * 2011-07-27 2013-01-31 Chrysler Group Llc Cylinder head assembly and method of forming the same
CN103758653A (zh) * 2013-12-31 2014-04-30 广西玉柴机器股份有限公司 高速船用柴油机气缸盖
CN203614253U (zh) * 2013-12-31 2014-05-28 广西玉柴机器股份有限公司 高速船用柴油机气缸盖

Also Published As

Publication number Publication date
CN103758653A (zh) 2014-04-30
CN103758653B (zh) 2015-03-25
AU2014101537A4 (en) 2015-02-12
JP2016538484A (ja) 2016-12-08

Similar Documents

Publication Publication Date Title
WO2015074442A1 (zh) 四气门柴油机气缸盖
CN203742813U (zh) 铝合金单缸水冷柴油机分体式气缸套
CN103867329A (zh) 铝合金单缸水冷柴油机分体式气缸套
WO2015101037A1 (zh) 高速船用柴油机气缸盖
CN102937063B (zh) 一种喷油器压紧螺帽及其固定方法
TW200704870A (en) Engine valve operating system
CN201273242Y (zh) 一种喷油器紧固结构
CN204140225U (zh) 一种正时齿轮室
CN201786468U (zh) 一体式气缸头
CN203082010U (zh) 一种汽油机增压器轴承
JP5648221B2 (ja) エンジンのターボチャージシステム
CN203614253U (zh) 高速船用柴油机气缸盖
CN203614252U (zh) 高速船用柴油机围栏式气缸盖
CN202531301U (zh) 发动机链轮室壳体、发动机以及汽车
CN203394626U (zh) 一种装载机用水泵
CN208996831U (zh) 一种新型发动机气缸
CN201218146Y (zh) 一种增压发动机的整体式气缸盖
CN202832840U (zh) 一种小型风冷柴油机的曲轴箱
CN215890123U (zh) 一种摩托车汽油发动机配气凸轮轴
CN103758654B (zh) 高速船用柴油机围栏式气缸盖
CN203783741U (zh) 发动机一体式机体
CN209385246U (zh) 一种与凸轮轴框架配合的密封圈防受热平顶气缸盖结构
CN103925096A (zh) 发动机一体式机体
CN210239772U (zh) 一种船用发动机进排气阀
CN203783664U (zh) 一种柴油机用凸轮轴

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 14876328

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: IDP00201603345

Country of ref document: ID

ENP Entry into the national phase

Ref document number: 2016555877

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 14876328

Country of ref document: EP

Kind code of ref document: A1