HB7733-2003直升机转速表通用规范.pdf 13页

'中华民共和国航空行业标准FL6620HB7733一2003直升机转速表通用规范Generalspecificationfortachometerofthehelicopter2003一09一25发布2003一12一01实施国防科学技术工业委员会发布 HB7733一2003目次前言·································，·····················，..............................................................n1范围····‘··································，···········，，·····，········，···········································⋯⋯12规范性引用文件‘·············，，，······，····，·····，，··1····，，，，·，·，·，······，，··········，，·，·······⋯⋯13要求·····，········································································································，⋯⋯13.1尺寸···············，···········，···················································，···，···········，············⋯⋯13.2重量·························，，···········，········，·，·······‘···，·································，····，··‘··，，·⋯13.3外观质量································，······································································⋯⋯13.4标志和代号··，·················，，·········，·······，··，·，···，····，···············································，··⋯23.5设计与结构·····，·······················，·····，·····················，··················，，··········，······，····⋯⋯23.6性能特性·······················································‘············，···········，·······················⋯⋯23.7环境适应性·····，，，·················，········，，······，···，··，，·，·······，，，·‘····，····，，⋯43.8寿命和可靠性··································································································⋯⋯53.9互换性···········、，·····················，，，··，··············“··········，························，···········⋯⋯54质量保证规定·················，，，··································，·，·················，·········，，，······⋯⋯“54.1检验分类······································，·····························，·········‘·········，···············⋯⋯54.2检验条件，·············，··，···，···················，·········，，·，·········，····，，····························，⋯⋯54.3鉴定检验································，·································，······················，············，⋯⋯54.4质量一致性检验···，············，··············，··‘·······························，······························一74.5检验方法···········，········，································，·········，，··········，，，·········，·········，，二75交货准备·················································································，·······················⋯⋯105.1防护包装···，···，···································，··，···············，···，···························，·······，·⋯105.2运输和贮存····，·······················································，，·······························，，·⋯105.3标志······································································································⋯⋯106说明事项·，，1···········-，·，·····，，，····，········，···············‘······················，-·，一106.1指示器······································，····，···········，·································，····，··⋯1o6.2传感器·······，‘·······························，···，······························，····························⋯⋯to HB7733一2003前言本规范由中国航空工业第二集团公司提出。本规范由中国航空综合技术研究所归口。本规范起草单位:中国航空工业第二四一厂、中国航空综合技术研究所。本规范主要起草人:林高平、舒振杰、沈水清、勾春宇、胡加凌、徐贞、黄茂春、康贤元、崔勇黄鹤龄。 HB7733一2003直升机转速表通用规范飞范围本规范规定了直升机转速表通用要求、质量保证规定及交货准备。本规范适用于直升机转速表(以下简称转速表)的设计、制造、检验和交付。2规范性引用文件下列文件中的条款通过本规范的引用而成为本规范的条款。凡是注日期的引用文件，其随后所有的修改单(不包含勘误的内容)或修订版均不适用于本规范，然而，鼓励根据本规范达成协议的各方研究是否可使用这些文件的最新版本。凡是不注日期的引用文件，其最新版本适用于本规范。GB191一2000包装储运图示标志GJB145A一1993防护包装规定GJB150.2-1986军用设备环境试验方法低气压(高度)试验GJB150.3-1986军用设备环境试验方法高温试验GJB150.4-1986军用设备环境试验方法低温试验GJB150.5一1986军用设备环境试验方法温度冲击试验GJB150.9一1986军用设备环境试验方法湿热试验GJB150.10一1986军用设备环境试验方法霉菌试验GJB150.11-1986军用设备环境试验方法盐雾试验GJB150.15-1986军用设备环境试验方法加速度试验GJB150.16-1986军用设备环境试验方法振动GJB150.18-1986军用设备环境试验方法冲击试验GJB181一1986飞机供电特性及对用电设备的要求GJB455一1988飞机座舱照明基本技术要求及测试方法GJB1394一1992与夜视成象系统兼容的飞机内部照明HB0一95一1978加速振动强度试验方法HB6一68航空仪表产品标牌HB5621一1980航空发动机转速表专用技术条件HB5870一1985航空辅机产品运输包装通用技术条件HB5872一1985航空辅机产品运输包装设计3要求3.1尺寸转速表各部件外形尺寸按专用规范规定。3.2重量转速表重量按专用规范规定。3.3外观质量外观质量应符合下列要求:a)转速表的外表面不应有锈蚀、明显的划伤、碰伤、压痕、裂纹、气孔和涂覆层剥落等;l HB7733一2003b)转速表的标记应清晰，并处于显著位置，不应有翘起、脱落和鼓包，标牌应安装牢固;c)转速指示器表玻璃不应有明显的划伤、气泡和水纹;d)转速指示器的正面不应有耀眼的光泽，刻度和指针等标志上不应有影响判读的脏物、流痕及其它缺陷。3.4标志和代号标牌应符合HB6一68的规定。3.5设计与结构3.5.1功能转速表用于测量和指示直升机旋翼、自由涡轮和燃气涡轮的转速。3.5.2组成转速表宜由转速指示器(以下简称指示器)与转速传感器(以下简称传感器)组成。3.5.3电连接器电连接器应具有防差错措施。3.5.4电源特性转速表电源特性应符合GJB181一1986表3的规定。3.5.5照明3.5.5.1指示器内部照明应符合GJB455一1988的要求，指示器被照明部位(指针、刻度、弧线、字体和符号)应清晰可见，照明亮度均匀。3.5.5.2有与夜视成象系统兼容要求的指示器照明应符合GJB1394一1992的规定。3.5.6结构转速表的结构按专用规范规定，设计时应考虑防起雾措施，拆卸、组装和维护方便。转速表结构应保证所有零(组)件在使用中无松动、脱落，并符合环境适应性的要求。3.6性能特性3.6.1指示器性能3.6.1.1指针行程均匀性指示器指针应均匀移动，不应有明显的跳动、卡滞和抖动。3.6.1.2倾斜误差指示器在下列情况下，其误差应符合3.6.1.4的要求。—指示器从正常工作位置分别向左、向右、向前和向后倾斜450;—指示器从正常工作位置分别向左和向右倾斜900、向前和向后倾斜45003.6.1.3迟滞误差指示器的迟滞误差不得大于常温指示误差绝对值的两倍。注:常温是指(2015)1;03.6.1.4指示误差指示器的误差应符合表1要求。对于双针、三针指示器指针的重合误差由专用规范规定。3.6.1.5远距离传递性用内阻为0.8侧每根的导线将指示器与传感器远距离接通，指示器的指示误差应符合3.6.1.4的要求。3.6.1.6稳定时间指示器的稳定时间应不大于2.5so3.6.1.7起雾指示器不应有影响判读的起雾现象，在4.5.7.7的条件下，起雾面积应不大于表玻璃面积的1/30 HB7733一2003表1指示器的误差误差试验温度%误差分级℃工作范围非工作范围20士5士0.3士0.6170士5士0.6士0.9一55士5土09士1520土5士05士1270士5士1土1.5一55士5士15士2520士5士1士2370士5士2土3一55土5士3土3注1:转速表进人同步时应不大于满刻度的10960注2:大于25%范围内允许指示器指针摆动不超过士0.2%0注3:指示器指针零位偏移不应大于本表规定的工作范围之常温误差值。注4:根据转速表结构特点，优先选用本表中工作范围误差为士0.5%的转速表。3.6.2传感器性能3.6.2.1同步发电机式传感器相间电压除另有规定外，应符合下列要求:a)当同步发电机式传感器与一个(20士0.3)[2(L