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ICS21.060J13JB/T9150－1999防松螺栓连接副Preventinglooseboltconnectingassembly1999-06-28发布2000-01-01实施国家机械工业局发布前言本标准是对ZBJ13001—90《防松螺栓连接副》的修订，修订时仅按有关规定作了编辑性修改，主要技术内容没有变化。本标准自实施之日起代替ZBJ13001—90。本标准的附录A为标准的附录。本标准由全国紧固件标准化技术委员会提出并归口。本标准负责起草单位：沈阳标准件研究所。JB/T9150－199911范围本标准规定了螺纹规格为M6～M30、A和B级防松螺栓连接副的型式尺寸、技术条件、验收与包装。本标准适用于民用建筑、公路与铁路建筑、塔架、机械与车辆用防松螺栓连接副。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。在标准出版时，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、使用下列标准最新版本的可能性。GB/T90—1985紧固件验收检查、标志与包装GB/T196—1981普通螺纹基本尺寸(直径1～600mm)GB/T197—1981普通螺纹公差与配合(直径1～355mm)GB/T1237—1988紧固件的标记方法GB/T3098.1—1982紧固件机械性能螺栓、螺钉和螺柱(1988年确认有效)GB/T3098.2—1982紧固件机械性能螺母(1988年确认有效)GB/T3103.1—1982紧固件公差螺栓、螺钉和螺母(1988年确认有效)GB/T5267—1985螺纹紧固件电镀层GB/T5779.1—1986紧固件表面缺陷螺栓、螺钉和螺柱一般要求GB/T5779.2—1986紧固件表面缺陷螺母一般要求GB/T5779.3—1986紧固件表面缺陷螺栓、螺钉和螺柱特殊要求GB/T5782—1986六角头螺栓A和B级3型式与尺寸3.1防松螺栓连接副型式按图1的规定。国家机械工业局1999-06-28批准中华人民共和国机械行业标准防松螺栓连接副Preventinglooseboltconnectingassembly2000-01-01实施JB/T9150－1999代替ZBJ13001－90JB/T9150－19992图13.2尺寸3.2.1螺栓尺寸螺栓尺寸按图2及表1的规定。图2JB/T9150－19993表1mm螺纹规格dM6M8M10M12M16M20M24M30min0.150.150.150.150.20.20.20.2cmax0.50.60.60.60.80.80.80.8damax6.89.211.213.717.722.426.433.4A8.911.614.616.622.528.233.6—dw产品等级minB8.711.414.416.42227.233.242.7max68101216202430A5.827.789.7811.7315.7319.6723.67—ds产品等级minB5.77.649.6411.5715.5719.4823.4829.48A11.0514.3817.7720.0326.7533.5339.98—e产品等级minB10.8914.2017.5919.8526.1732.9539.5550.85fmax1.42233446公称45.36.47.51012.51518.7min3.855.156.227.329.8212.2814.78—Amax4.155.456.587.6810.1812.7215.22—min3.765.066.117.219.7212.1514.6518.28k产品等级Bmax4.245.546.697.7910.2912.8515.3519.12A2.73.64.45.16.98.610.3—k′产品等级minB2.63.54.356.88.510.212.8rmin0.250.40.40.60.60.80.81max=公称10141)13171)16191)1824303646A9.7812.7315.7317.7323.6729.6735.38—s产品等级minB9.6413.6712.5716.7615.6718.7217.5723.1629.163545min1.82.32.83.23.74.65.56.4hmax22.533.54567JB/T9150－19994表1(完)mm螺纹规格dM6M8M10M12M16M20M24M30夹紧长度l无螺纹杆部长度l3、l5和螺纹长度l1公称minmaxlslgl1lslgl1lslgl1lslgl1lslgl1lslgl1lslgl1lslgl11514.615.4813222019.620.413182711.2517.528.759.51730.57.7516.532.252524.625.418233216.2522.533.7514.52235.512.7521.537.251121397.52042.53029.630.423283721.2527.538.7519.52740.517.7526.542.2516264412.52547.53534.535.528334226.2532.543.7524.53245.522.7531.547.2521314917.53052.514295610.52859.54039.540.533384731.2537.548.7529.53750.527.7536.552.2526365422.53557.519346115.53364.54544.545.536.2542.553.7534.54255.532.7541.557.2531415927.54062.524396620.53869.55049.550.541.2547.558.7539.54760.537.7546.562.2536466432.54567.529447125.54374.55554.455.646.2552.563.7544.55265.542.7551.567.2541516937.55072.534497630.54879.56059.460.649.55770.547.7556.572.2546567442.55577.539548135.55384.56564.465.654.56275.552.7561.577.2551617947.56082.544598640.55889.57069.470.659.56780.557.7566.582.2556668452.56587.549649145.56394.58079.480.667.7576.592.2566769462.57597.5597410155.573104.59089.490.777.7586.5102.25768610472.585107.5698411165.583114.510099.3100.7869611482.595117.5799412175.593124.5110109.3110.79610612492.5105127.58910413185.5103134.5120119.3120.7106116134102.5115137.59911414195.5113144.5130129.2130.8112.5125147.5109124151105.5123154.5140139.2140.8122.5135157.5119134161115.5133164.5150149.2150.8132.5145167.5129144171125.5143174.5160158162142.5155177.5139154181135.5153184.5180178182159174201155.5173204.5200197.7202.3175.5193224.5220217.7222.3195.5213244.5240237.7242.3215.5233264.5注1ls为最小极限尺寸。2lg为最大极限尺寸。3l1为基本尺寸。1)除特殊订货外，尽量不采用。JB/T9150－199953.2.2防松头尺寸防松头尺寸按图3及表2的规定。注：根据使用要求，经双方协议，开槽部分亦可制成其他扳拧形式。图3表2mm螺纹规格dM6M8M10M12M16M20M24M30b78.810.512.31417.52124.5max2.02.53.03.54.05.06.07.0Hmin1.82.32.83.23.74.65.56.4e′0.50.70.91.01.21.52.02.5t′2.533.544.55.56.57.5t1.21.51.82.12.43.03.64.2公称0.81.01.53.0max1.001.201.813.31Nmin0.861.061.563.063.2.3螺母尺寸螺母尺寸按图4及表3的规定。图4JB/T9150－19996表3mm螺纹规格dM6M8M10M12M16M20M24M30max6.758.7510.8013.0017.3021.6025.9032.40damin68101216202430dwmin8.911.614.616.622.527.733.242.7emin11.0514.3817.7720.0326.7532.9539.5550.85max9.0011.2513.5015.7518.0022.5027.0031.50mmin8.710.9813.1415.3217.3021.2025.7030.20max10141)13171)16191)1824303646smin9.813.7612.7316.7615.7318.7217.7323.1629.1635.0045.001)除特殊订货外，尽量不采用。4技术条件和测试方法4.1技术条件4.1.1防松螺栓和防松头技术条件按表4的规定。表4材料钢公差6g螺纹标准GB/T196、GB/T197产品等级A用于d≤24和l≤9d或≤150mm(按较小值)B用于d＞24或l＞9d或＞150mm(按较小值)公差标准GB/T3103.1等级4.8、8.8或按协议机械性能标准GB/T3098.1表面处理①氧化②镀锌钝化GB/T5267③不经处理表面缺陷GB/T5779.1、GB/T5779.3验收GB/T904.1.2螺母技术条件按表5的规定。表5材料钢公差6H螺纹标准GB/T196、GB/T197产品等级A级用于D≤24；B级用于D＞24公差标准GB/T3103.1JB/T9150－19997表5(完)材料钢等级6、8、10或按协议机械性能标准GB/T3098.2表面处理①不经表面处理②镀锌氧化GB/T5267表面缺陷GB/T5779.2验收GB/T904.2测试方法4.2.1螺母测试方法与要求按GB/T3098.2的规定。螺母保证载荷测试，应在螺母旋入芯棒5倍螺距时进行。4.2.2防松螺栓连接副是紧固在专用夹具上进行拉力试验。拉力载荷按GB/T3098.1规定。5验收、检查5.1尺寸与外观5.1.1防松螺栓和任一防松头与螺母装配后，其搭接处间隙应小于或等于1/10螺距。5.1.2尺寸检查项目及合格质量水平按表6的规定。表6产品类别抽查项目防松螺栓防松头螺母对边宽度s1.01.0头下圆角半径r1.5——螺纹通规1.5螺纹止规1.02.5偏心e′—1.0搭接长度h主要项目搭接间隙1.0—次要项目其他尺寸项目2.55.1.3表面缺陷防松螺栓连接副表面缺陷按GB/T5779.1～5779.2的规定。5.2机械性能5.2.1防松螺栓连接副机械性能检查项目按GB/T3098.1～3098.2的规定。5.2.2合格质量水平按GB/T90的规定。6标记与包装6.1标记JB/T9150－199986.1.1标记方法按GB/T1237的规定。6.1.2标记示例螺纹规格d=M20，夹紧长度l=100，性能等级4.8级，不经表面处理，A级的防松螺栓连接副的标记：防松螺栓连接副JB/T9150—1