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DB44∕T 1981-2017 潜水浮力调节器

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DB44∕T 1981-2017 潜水浮力调节器ICS97.220.40R55备案号:54313—2017广东省地方标准DB44DB44/T1981—2017潜水浮力调节器Buoyancycontroldevice2017-03-10发布2017-06-10实施广东省质量技术监督局发布???www.kqqw.com???????www.kqqw.com????DB44/T1981—2017前言本标准按照GB/T1.1-2009给出的规则起草。本标准由广东省质量技术监督局提出并归口。本标准起草单位:中潜股份有限公司、广东省惠州市...

DB44∕T 1981-2017 潜水浮力调节器
ICS97.220.40R55备案号:54313—2017广东省地方 标准 excel标准偏差excel标准偏差函数exl标准差函数国标检验抽样标准表免费下载红头文件格式标准下载 DB44DB44/T1981—2017潜水浮力调节器Buoyancycontroldevice2017-03-10发布2017-06-10实施广东省质量技术监督局发布???www.kqqw.com???????www.kqqw.com????DB44/T1981—2017前言本标准按照GB/T1.1-2009给出的 规则 编码规则下载淘宝规则下载天猫规则下载麻将竞赛规则pdf麻将竞赛规则pdf 起草。本标准由广东省质量技术监督局提出并归口。本标准起草单位:中潜股份有限公司、广东省惠州市质量技术监督标准与编码所。本标准起草人:梅乐勇、张榜军、邬赵飞、唐可琪、朱彬、邓频、彭文锋Ⅰ???www.kqqw.com???????www.kqqw.com????DB44/T1981—20171潜水浮力调节器1范围本标准 规定 关于下班后关闭电源的规定党章中关于入党时间的规定公务员考核规定下载规定办法文件下载宁波关于闷顶的规定 了潜水浮力调节器的术语和定义、技术要求、试验方法、检验规则、标志、包装、运输、贮存的要求。本标准适用于潜水用的浮力调节器。2 规范 编程规范下载gsp规范下载钢格栅规范下载警徽规范下载建设厅规范下载 性引用文件下列文件对于本文件的应用是必不可少的。凡是注日期的引用文件,仅所注日期的版本适用于本文件。凡是不注日期的引用文件,其最新版本(包括所有的修改单)适用于本文件。GB/T3820纺织品和纺织制品厚度的测定GB/T3917.3纺织品织物撕破性能第3部分:梯形试样撕破强力的测定GB/T3923.1纺织品织物拉伸性能第1部分:断裂强力和断裂伸长率的测定(条样法)GB/T4744纺织品防水性能的检测和评价静水压法GB/T5714-1997纺织品色牢度试验耐海水色牢度GB/T13773.1纺织品织物及其制品的接缝拉伸性能第1部分:条样法接缝强力的测定GB/T21196.2纺织品马丁代尔法织物耐磨性的测定第2部分:试样破损的测定GB/T23318纺织品刺破强力的测定HG/T3050.2-2001橡胶或塑料涂覆织物整卷特性的测定第二部分:测定单位面积的总质量、单位面积的涂覆质量和单位面积的底布质量的方法3术语和定义下列术语和定义适用于本文件。3.1潜水浮力调节器buoyancycontroldevice利用充气装置对气囊进行充气,利用排气阀对气囊进行放气以控制潜水过程中浮力的装置,见示意图1。???www.kqqw.com???????www.kqqw.com????DB44/T1981—201721—腰部调节与解脱装置;2—背架垫;3—肩带;4—胸部调节装置;5—充气装置;6—配重袋;7—排气阀;8—气囊;9—气瓶固定装置。图1潜水浮力调节器示意图3.2气囊gasbag使用高强度防水面料制成的可充气囊袋。3.3充气装置inflationdevice将压缩空气充至气囊的装置,由充气阀、蛇腹软管、中压软管、快插接头及充气接头构成,见示意图2。1—充气阀;2—蛇腹软管;3—中压软管;4—快插接头;5—充气接头。图2充气装置示意图3.4排气阀exhaustvalve对气囊进行排气的阀门。3.5最大浮力maximumbuoyancy潜水浮力调节器的气囊充满气体后,浸没在液体中所产生的最大竖直向上的力。???www.kqqw.com???????www.kqqw.com????DB44/T1981—201734技术要求4.1主体面料4.1.1理化性能应符合表1要求。表1主体面料理化性能序号项目要求1耐静水压,kPa≥150经向≥10002断裂强力,N纬向≥1000经向≥2003撕破强力,N纬向≥2004耐海水色牢度,级≥45耐磨性,次≥5000,不破损6刺破强力,N≥254.1.2厚度和单位面积质量应符合表2要求。表2厚度和单位面积质量序号项目要求1厚度,mm≤0.82单位面积质量,g/m2≤6004.2外观潜水浮力调节器的外观应平整、无脱层、割伤或撕裂,外观整洁,缝纫线规整,表面不应有尖角、毛刺等。4.3结构和功能4.3.1潜水浮力调节器的顶部设1个充气装置、1个排气阀,底部设1个排气阀。4.3.2充气装置应具有嘴吹、压缩气充气及手动排气功能。排气阀应具有手动和自动排气功能。4.3.3充气装置和排气阀应保证在潜水员的手可以触及的范围内,嘴吹充气部分应便于与潜水员嘴部接触,且接触部分不得有棱角、毛刺等。4.3.4潜水浮力调节器的前部应设置可调节的快速解脱装置,调节潜水浮力调节器的围度。4.3.5潜水浮力调节器的左右侧应设置配重袋,配重袋上设快速解脱扣。4.3.6潜水浮力调节器应有气瓶固定装置。4.3.7肩部、背架垫宜衬有海绵。4.4缝制4.4.1针距密度双针明暗线的针距密度为7针~9针/2.5cm。4.4.2缝制要求???www.kqqw.com???????www.kqqw.com????DB44/T1981—201744.4.2.1各部位缝制线路顺直、整齐、牢固、针迹均匀,上下线松紧适宜,起止针处及袋口应回针缉牢。4.4.2.2所有外露缝缝应包缝。4.4.2.3锁扣部件固定牢固,对称部位一致。4.5气囊接缝强力气囊接缝强力应不小于400N。4.6抗拉伸力充气装置的充气阀固定处和排气阀拉绳部位(驱动方向)应能承受150N拉力,保持时间10s±1s,部件无损坏。4.7充气装置性能要求4.7.1额定压力充气装置承受2.0MPa±0.1MPa的额定压力后,应能维持正常功能。4.7.2耐压性充气装置承受不小于3.0MPa压力并保持时间60s后,应能维持正常功能。4.7.3充气流量充气装置的充气流量应不小于150L/min。4.7.4充气速比充气装置的充气速比应不小于15N/s。4.8排气阀性能要求4.8.1排气阀流量排气阀(单个)的排气流量应大于充气装置的最小充气流量。4.8.2排气速比排气阀的排气速比应不小于20N/s。4.8.3自动排气压力排气阀的自动排气压力应为16kPa~22kPa。4.9气囊爆破压力气囊爆破压力应不小于50kPa。4.10气囊气密性经对气囊整体气密性试验后,整体应无漏水、渗水及气泡冒出等现象。4.11充排气循环次数充排气循环次数不小于1000次,气囊主体及充排气装置无气体泄漏。4.12最大浮力???www.kqqw.com???????www.kqqw.com????DB44/T1981—20175最大浮力应不小于150N。4.13环境适应性4.13.1耐高温试验后对潜水浮力调节器进行充气,无物理损伤迹象,如破裂与龟裂、缝缝开裂、脆裂或扭曲等现象。4.13.2耐低温试验后对潜水浮力调节器进行充气,无物理损伤迹象,如破裂与龟裂、缝缝开裂、脆裂或扭曲等现象。4.13.3耐海水试验后对潜水浮力调节器进行充气,无物理损伤迹象,如破裂与龟裂、缝缝开裂、脆裂或扭曲等现象,耐海水色牢度应能达到4级。5试验方法5.1主体面料理化性能5.1.1耐静水压按GB/T4744规定的方法检测。5.1.2断裂强力按GB/T3923.1规定的方法检测。5.1.3撕破强力按GB/T3917.3规定的方法检测。5.1.4耐海水色牢度按GB/T5714规定的方法检测。5.1.5耐磨性按GB/T21196.2规定的方法检测。5.1.6刺破强力按GB/T23318规定的方法检测。5.2主体面料厚度和单位面积质量5.2.1厚度按GB/T3820规定的方法检测。5.2.2单位面积质量按HG/T3050.2-2001中第3章的规定的方法检测。5.3外观目测进行检查。???www.kqqw.com???????www.kqqw.com????DB44/T1981—201765.4结构和功能目测和实际操作。5.5缝制质量5.5.1针距密度采用精度为0.01mm的游标卡尺测量。5.5.2缝制要求目测进行检查。5.6气囊接缝强力按GB/T13773.1规定的方法检测。5.7抗拉伸力a)将潜水浮力调节器悬挂于固定设备(如吊钩),充气装置或排气阀拉绳驱动方向竖直向下;b)在充气装置的充气阀固定处或排气阀的拉绳部位加载150N的拉力,保持时间10s±1s;c)检测零部件是否损坏。5.8充气装置5.8.1额定压力a)充气装置与气源连接,气体压力为2.0MPa;b)将充气装置浸没于水中,对充气装置进行额定压力测试,充气次数为50次,每次充气时间5s,间隔时间大于5s;c)检查是否能维持正常功能。5.8.2耐压性a)充气装置与气源连接;b)将充气装置浸没于水中,对充气装置进行耐压测试,气体压力3.0MPa~3.3MPa,保持时间60s;c)检查是否能维持正常功能。5.8.3充气流量a)中压软管与快插接头连接,在充气端接气体流量计;b)将中压软管连接到1MPa的恒定气源,然后进行充气流量测试;c)检测充气流量是否能达到要求。5.8.4充气速比a)将潜水浮力调节器与气源连接,气源压力不小于0.6MPa;b)操作充气装置对气囊充气,直到排气阀自动排气时停止,记录该过程时间为充气时间;c)充气速比按式(1)进行计算:充tFk=.........................................(1)式中:k——充气速比,N/s;???www.kqqw.com???????www.kqqw.com????DB44/T1981—20177F——最大浮力,N;t充——充气时间,s。5.9排气阀5.9.1排气阀流量a)充气装置连接气源,气源压力不小于0.6MPa;b)排气阀端配装流量计;c)操作充气装置直至排气,进行排气流量测试。5.9.2排气速比a)将潜水浮力调节器与气源连接;b)操作充气装置对气囊充气,直到排气阀自动排气时停止;c)将其中一个排气阀完全打开,直到气囊的气体基本排尽,记录该过程时间为排气时间;d)排气速比按式(2)进行计算:排tFp=..........................................(2)式中:p——排气速比,N/s;F——最大浮力,N;t排——排气时间,s。5.9.3自动排气压力a)将充气装置与气源连接;b)操作充气装置向气囊充气至排气阀自动排气止,记录气囊内压力值。5.10气囊爆破压力a)将潜水浮力调节器的气囊充气装置与气源连接;b)气囊的其中一个排气阀端口接压力表,将另一个排气阀的端口封堵密封;c)向气囊充气直至爆破,记录其压力值。5.11气囊气密性a)将潜水浮力调节器展开浸没于水中;b)向气囊充气,直至排气阀自动排气时止,保持时间5min,检查气囊整体有无漏水、渗水及气泡冒出现象。5.12充排气循环次数a)将潜水浮力调节器的充气装置与气源连接;b)将潜水浮力调节器完全浸没于水中,开启充气装置,直到排气阀自动排气时止;c)手动开启排气阀排气,使其浮力下降到小于最大浮力的10%;d)重复执行a)、b)、c) 步骤 新产品开发流程的步骤课题研究的五个步骤成本核算步骤微型课题研究步骤数控铣床操作步骤 ,循环次数不少于1000次,检查有无气体泄漏。5.13最大浮力a)对完全排气的潜水浮力调节器进行称重,记录其质量m1;b)将潜水浮力调节器浸没于水中,对潜水浮力调节器进行充气,直到排气阀自动排气时止,记录此时的质量m2;c)最大浮力F按式(3)进行计算:gF×−=)(21mm............................(3)???www.kqqw.com???????www.kqqw.com????DB44/T1981—20178式中:F——最大浮力,N;m1——未充气质量,kg;m2——充气后质量,kg;g——重力加速度,9.8N/kg。5.14环境适应性5.14.1耐高温a)把未充气的潜水浮力调节器放置于高温试验箱;b)调节高温试验箱温度为70℃±3℃,相对湿度80%~95%,保持时间16h±0.5h;c)将潜水浮力调节器从高温试验箱内取出,放置在室温环境下,保持时间不小于3h;d)检查有无破裂与龟裂、缝缝开裂、脆裂或扭曲等现象。5.14.2耐低温a)把未充气的潜水浮力调节器放置于低温试验箱;b)调节低温试验箱温度为-20℃±3℃,保持时间3h±5min;c)调节低温试验箱温度为-8℃±2℃,将潜水浮力调节器的充气装置与气源连接,以最大充气速度向气囊内充气,直至排气阀自动排气时止;d)检查有无破裂与龟裂、缝缝开裂、脆裂或扭曲等现象。5.14.3耐海水a)把未充气的潜水浮力调节器浸没在天然海水或人工海水(氯化纳溶液:用三级水制备的30g/L溶液,见标准GB/T5714-1997的4.3条款)中,温度为25℃±2℃,保持时间不少于8h;b)将潜水浮力调节器从海水中取出,放置在室温环境中,保持时间不少于16h;c)按照a)、b)的试验方法,循环4次;d)检查有无破裂与龟裂、缝缝开裂、脆裂或扭曲等现象,耐海水色牢度按GB/T5714规定进行。6检验规则6.1检验分类检验分为型式检验、出厂检验,检验项目及不合格分类,如表3所示。表3检验项目及不合格分类序号检验项目标准条款不合格分类型式检验出厂检验1耐静水压4.1.1A√—2断裂强力4.1.1A√—3撕破强力4.1.1A√—4耐海水色牢度4.1.1C√—5耐磨性4.1.1C√—6刺破强力4.1.1A√—7厚度4.1.2C√—8面料单位面积质量4.1.2C√—9外观4.2C√√10结构和功能4.3B√√11缝制4.4C√√12气囊接缝强力4.5B√√???www.kqqw.com???????www.kqqw.com????DB44/T1981—20179表3(续)序号检验项目标准条款不合格分类型式检验出厂检验13抗拉伸力4.6B√√14充气装置性能要求4.7A√—15排气阀性能要求4.8A√—16气囊爆破压力4.9A√—17气囊气密性4.10A√√18充排气循环次数4.11B√—19最大浮力4.12A√√20环境适应性4.13B√—6.2出厂检验6.2.1应经生产厂质量检验部门按表3规定的项目进行出厂检验,检验合格后方可出厂。6.2.2出厂检验按批次进行,每批次随机抽取3套样品,检测项目按表3进行检验。6.2.3判定准则6.2.3.1A类检验项目不合格数等于0,B类检验项目不合格数等于0,C类检验项目不合格数小于等于2。6.2.3.2A类检验项目不合格数等于0,B类检验项目不合格数不大于1,C类检验项目不合格数小于等于1。6.2.3.3抽检中各批次判定数符合上述规定判定为合格批出厂。6.3型式检验6.3.1有下列情况之一时,产品应进行型式检验:a)新产品试制的定型检验;b)材料和工艺有改变时;c)停产一年以上重新恢复生产时;d)国家质量监督机构提出型式检验要求时。6.3.2型式检验的样品从出厂检验合格的产品中随机抽样,抽样数量为3套,检测项目按表3执行。6.3.3所有样品全部检验项目符合判定准则时,判定合格,若有一项不符合判定准则时,判定不合格。7标志、包装、运输和贮存7.1标志7.1.1产品标志内容包括:a)产品合格证、使用说明书;b)产品名称、号型或规格、制造编号;c)执行标准;d)企业名称、地址、生产日期及批号。7.1.2包装、运输a)内包装用塑料袋。包装材料要清洁、干燥、无特殊异味;???www.kqqw.com???????www.kqqw.com????DB44/T1981—201710b)塑料袋材质、规格应与产品相适应,封口应牢固。产品装入塑料袋要平整,松紧适宜;c)外包装采用纸箱包装,包装材料要清洁、干燥、牢固。d)纸箱盖和底封口应严密、牢固。e)产品包装件运输时应防潮、防破损、防污染。7.1.3贮存a)产品贮存应防潮;b)产品包装件应在仓库内堆放,库房应干燥、通风、清洁。???www.kqqw.com???????www.kqqw.com????DB44/T1986—2017DB44/T1981—2017广东省地方标准潜水浮力调节器DB44/T1981—2017*广东省标准化研究院组织印刷广州市海珠区南田路563号1104室邮政编码:510220网址:www.bz360.org电话:020-84250337广东省农垦总局印刷厂???www.kqqw.com???????www.kqqw.com????<</ASCII85EncodePagesfalse/AllowTransparencyfalse/AutoPositionEPSFilestrue/AutoRotatePages/All/Binding/Left/CalGrayProfile(DotGain20%)/CalRGBProfile(sRGBIEC61966-2.1)/CalCMYKProfile(U.S.WebCoated\050SWOP\051v2)/sRGBProfile(sRGBIEC61966-2.1)/CannotEmbedFontPolicy/Warning/CompatibilityLevel1.4/CompressObjects/Tags/CompressPagestrue/ConvertImagesToIndexedtrue/PassThroughJPEGImagestrue/CreateJDFFilefalse/CreateJobTicketfalse/DefaultRenderingIntent/Default/DetectBlendstrue/DetectCurves0.0000/ColorConversionStrategy/LeaveColorUnchanged/DoThumbnailsfalse/EmbedAllFontstrue/EmbedOpenTypefalse/ParseICCProfilesInCommentstrue/EmbedJobOptionstrue/DSCReportingLevel0/EmitDSCWarningsfalse/EndPage-1/ImageMemory1048576/LockDistillerParamsfalse/MaxSubsetPct100/Optimizetrue/OPM1/ParseDSCCommentstrue/ParseDSCCommentsForDocInfotrue/PreserveCopyPagetrue/PreserveDICMYKValuestrue/PreserveEPSInfotrue/PreserveFlatnesstrue/PreserveHalftoneInfofalse/PreserveOPICommentsfalse/PreserveOverprintSettingstrue/StartPage1/SubsetFontstrue/TransferFunctionInfo/Apply/UCRandBGInfo/Preserve/UseProloguefalse/ColorSettingsFile()/AlwaysEmbed[true]/NeverEmbed[true]/AntiAliasColorImagesfalse/CropColorImagestrue/ColorImageMinResolution300/ColorImageMinResolutionPolicy/OK/DownsampleColorImagestrue/ColorImageDownsampleType/Bicubic/ColorImageResolution300/ColorImageDepth-1/ColorImageMinDownsampleDepth1/ColorImageDownsampleThreshold1.50000/EncodeColorImagestrue/ColorImageFilter/DCTEncode/AutoFilterColorImagestrue/ColorImageAutoFilterStrategy/JPEG/ColorACSImageDict<</QFactor0.15/HSamples[1111]/VSamples[1111]>>/ColorImageDict<</QFactor0.15/HSamples[1111]/VSamples[1111]>>/JPEG2000ColorACSImageDict<</TileWidth256/TileHeight256/Quality30>>/JPEG2000ColorImageDict<</TileWidth256/TileHeight256/Quality30>>/AntiAliasGrayImagesfalse/CropGrayImagestrue/GrayImageMinResolution300/GrayImageMinResolutionPolicy/OK/DownsampleGrayImagestrue/GrayImageDownsampleType/Bicubic/GrayImageResolution300/GrayImageDepth-1/GrayImageMinDownsampleDepth2/GrayImageDownsampleThreshold1.50000/EncodeGrayImagestrue/GrayImageFilter/DCTEncode/AutoFilterGrayImagestrue/GrayImageAutoFilterStrategy/JPEG/GrayACSImageDict<</QFactor0.15/HSamples[1111]/VSamples[1111]>>/GrayImageDict<</QFactor0.15/HSamples[1111]/VSamples[1111]>>/JPEG2000GrayACSImageDict<</TileWidth256/TileHeight256/Quality30>>/JPEG2000GrayImageDict<</TileWidth256/TileHeight256/Quality30>>/AntiAliasMonoImagesfalse/CropMonoImagestrue/MonoImageMinResolution1200/MonoImageMinResolutionPolicy/OK/DownsampleMonoImagestrue/MonoImageDownsampleType/Bicubic/MonoImageResolution1200/MonoImageDepth-1/MonoImageDownsampleThreshold1.50000/EncodeMonoImagestrue/MonoImageFilter/CCITTFaxEncode/MonoImageDict<</K-1>>/AllowPSXObjectsfalse/CheckCompliance[/None]/PDFX1aCheckfalse/PDFX3Checkfalse/PDFXCompliantPDFOnlyfalse/PDFXNoTrimB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