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ICS43.060.10;27.020J92JB/T8894-1999idtISO11055∶1996往复式内燃机飞轮离合器用安装尺寸Flywheelsforreciprocatinginternalcombustionengines—Installationdimensionsforclutches1999-09-17发布2000-01-01实施国家机械工业局发布I前言ISO前言1范围····················································································································································································································12引用标准·········································································································································································································13飞轮型式和规格··························································································································································································14螺孔和定位销·······························································································································································································4附录A(提示的附录)参考文献······················································································································································8附录B(提示的附录)单片弹簧加载离合器用飞轮·············································································································9附录C(提示的附录)双片弹簧加载离合器用飞轮···········································································································12附录D(提示的附录)采用传动齿圈式偏心离合器的工业动力输出装置和发动机装船用齿轮箱及单轴承发动机装发电机用工业发动机飞轮····························································································14附录E(提示的附录)发动机装液力变矩器用飞轮···········································································································16附录F(提示的附录)卡车及客车用飞轮尺寸······················································································································18JB/T8894-1999目次II前言本标准等同采用ISO11055∶1996《往复式内燃机—离合器用安装尺寸》。本标准与ISO7648∶1987《往复式内燃机用飞轮壳—基本尺寸和公差》和ISO7649∶1991《往复式内燃机用离合器壳—基本尺寸和公差》两项标准配合使用。本标准的附录A、附录B、附录C、附录D、附录E和附录F都是提示的附录。本标准由全国内燃机标准化技术委员会提出并归口。本标准起草单位:上海内燃机研究所、武进柴油机厂、武进市夏溪农机总厂、武进市第二齿轮厂、武进市第二矿山机械厂、武进市庙桥农机制造厂。本标准主要起草人:瞿俊鸣、谢锋、吴柏松、骆培兴、孙小坤、夏春泉、许兆祥、周一鸣。JB/T8894-1999IIIISO前言国际标准化组织(ISO)是由各国家标准化机构(ISO成员团体)组成的全球性联合会。制定国际标准的工作一般由ISO技术委员会进行。每个成员团体对某一科目感兴趣,均有权派代表参加为该科目成立的技术委员会。政府或非政府性国际组织,通过与ISO联络也可参加此项工作。在所有电工标准化工作方面,ISO与国际电工委员会(IEC)均有紧密合作。由技术委员会采纳的国际标准草案分发给各成员团体投票表决。至少要有75%的成员团体投票赞成才能出版为国际标准。国际标准ISO11055是由道路车辆技术委员会(ISO/TC22)商用车辆和客车用零部件互换性分技术委员会(SC15)制定的。本国际标准的附录A仅供参考。JB/T8894-199911范围本标准规定了影响飞轮与弹簧加载单片或双片式离合器互换性的基本尺寸和公差。本飞轮系用于往复式内燃机及ISO7648和ISO7649中涉及的飞轮壳和离合器壳。注1:ISO7648和ISO7649标准名称见附录A(提示的附录)。本标准未规定的尺寸和公差由零部件制造厂自行决定。本标准适用于往复式内燃机,但不包括航空和轿车用发动机。本标准亦可用于尚无特定国际标准的其它用途发动机。注2:应该承认,本标准所示尺寸未必适用于目前正在使用的若干结构,但应该作为今后使所有新设计达到合理化的一种措施。2引用标准下列标准所包含的条文,通过在本标准中引用而构成为本标准的条文。本标准出版时,所示版本均为有效。所有标准都会被修订,使用本标准的各方应探讨使用下列标准昀新版本的可能性。ISO286–2∶1988公差与配合的ISO制—第2部分:孔和轴的标准公差等级和极限偏差表ISO1101∶1983技术制图—形位公差—形状、方向、位置和跳动的公差—总论,定义,符号和注法3飞轮型式和规格本标准规定两种飞轮型式:——平板型[见图1(a)];——盆型[见图1(b)]。这两种型式均规定以定位止口或定位销与离合器对中。定位孔与螺孔应位于同一节圆直径上。图1中尺寸和公差见表1和表2。有关形位公差的定义和符号见ISO1101。国家机械工业局1999-09-17批准中华人民共和国机械行业标准往复式内燃机飞轮离合器用安装尺寸Flywheelsforreciprocatinginternalcombustionengines—InstallationdimensionsforclutchesJB/T8894-1999idtISO11055∶19962000-01-01实施JB/T8894-19992(a)平板型(b)盆型(c)尺寸X及摩擦面的圆跳动(d)W部放大图1飞轮表1单片离合器用飞轮—平板型和盆型mm尺寸标号螺孔定位销JB/T8894-19993平板型盆型A1)B2)+0.080CDE数量No.L位置见图数量No.Mh86)位置见图G3)基本尺寸J4)X3),5)mintr25016531029062380.159265165325305623380.166280—175340320—56M8283—80.1743101853653451244100.1893301953903701244120.23503502003953753606M82,3或4866.538149)0.2053803802007)4358)4108)3906M101040160.22395395215435410405612M104或510440160.2340040021510)450418—8M10———180.2343043023511)4754504408M102,3或41040180.2451)尺寸A仅为指导性尺寸,由今后发展定。2)尺寸B仅用于止口定位,不能用于定位销定位。3)在某些情况下,根据分离轴承位置,尺寸G可以减小,但须经发动机制造厂和离合器供应商共同商定。该问题将留待今后考虑。另外,根据离合器扭振减振器的设计,尺寸Xmin可以增减,但须经发动机制造厂和离合器供应商共同商定。该问题也将留待今后考虑。4)尺寸J对尺寸标号430可以为48mm。5)尺寸Xmin为指导性尺寸,系用于确保离合器扭振减振器在从动片完全磨损状态下,与飞轮及曲轴固定螺钉头之间留有一定间隙。当未规定后者节圆直径及离合器的包迹尺寸时,该尺寸允许装用离合器后,在离合器片磨损时不致发生碰撞。6)见ISO286–2。7)当发动机扭矩大于750N·m时为215。8)当使用飞轮壳尺寸标号为No3及铸铁离合器盖时,尺寸可减小。9)t=0.013D′/25.4式中:D′为测量直径——在图1(a)中D′位于A、B间;——在图1(b)中D′位于D、B间。10)发动机扭矩大于1200N·m时为235。11)发动机扭矩大于2200N·m时为258。表2双片离合器用飞轮—平板型mm尺寸标号A1)B2)CE螺孔G3)X3),4)JB/T8894-19994数量L位置见图310185370350512M84或566.5103502003955)3755)612M8或M106)4或566.514380200或215440410612M10或M126)4或566.516400235470450812M104或566.5181)尺寸A仅为指导性尺寸,由今后发展定。2)尺寸B仅用于止口定位,不能用于定位销定位。3)在某些情况下,根据轴承位置,尺寸G可以减小,但须经发动机制造厂和离合器供应商共同商定。该问题将留待今后考虑。另外,根据离合器扭振减振器的设计,尺寸Xmin可以增减,但须经发动机制造厂和离合器供应商共同商定。该问题也将留待今后考虑。4)尺寸Xmin为指导性尺寸,系用于确保离合器扭振减振器在从动片完全磨损状态下,与飞轮及曲轴固定螺钉头之间留有一定间隙。当未规定后者节圆直径及离合器包迹尺寸时,该尺寸允许装用离合器后,在离合器片磨损时不致发生碰撞。5)当使用飞轮壳尺寸标号No3及铸铁离合器盖时,尺寸可减小。6)螺纹尺寸按发动机扭矩定。4螺孔和定位销螺孔或定位销布置形式和/或尺寸如有变化,包括可能需要阶梯形定位销时,须经发动机制造厂和离合器供应商共同商定。4.1螺孔螺孔数量及尺寸列于表1和表2内。螺孔应均布,如图2~图6所示。螺孔的位置公差示于图6(a)和图6(b)内。4.2定位销当需要定位销时,所用数量及尺寸列于表1内,其位置如图3和图4所示。对尺寸标号为310mm及以上的飞轮,飞轮制造厂可按离合器的要求,选择两个或三个均布的定位销。飞轮也可配备12个螺孔及四个定位销孔(位置Ⅰ、Ⅱ、Ⅲ和Ⅳ),如图4所示,或12个螺孔及两个或三个定位销孔如下:——两个定位销布置形式,位置Ⅰ和Ⅲ;——三个定位销布置形式,位置Ⅰ、Ⅱ和Ⅳ。定位销的位置公差示于图6(a)中。JB/T8894-19995图26螺孔布置形式图36螺孔、3定位销布置形式JB/T8894-1
本文标题:JBT 8894-1999 往复式内燃机飞轮 离合器用安装尺寸
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