1、中华人民共和国轻工行业标准QB/T 2092-1995计时仪器用齿轮端面齿轮1主题内容与适用范围本标准规定了计时仪器端面齿轮的齿形、代号及其参数。本标准适用于手表、怀表的拨针机构中端面齿轮与圆柱齿轮啮合时,端面齿轮为主动,模数为。07-1 mm的垂直相交轴的齿轮传动,仪器仪表中垂直相交轴的齿轮传动也可参照使用。2齿形、术语及代号2.1齿形的构成端面齿轮的齿形分布于其外圆往面上,并由空间曲线所构成。当齿槽对称于端面齿轮的中心线时(图la与b),齿形在A向视图的投影由齿顶圆弧、齿根圆弧及连接齿顶圆弧和齿根回弧的相切直线所组成。中,u平面A向视团B向视圈卜图1端面齿轮齿形及代号2.2端面齿轮、齿形术
2、语及代号端面齿轮及其齿形和代号见图1,术语及代号:外圆柱面包围端面齿轮外齿圈的圆柱表面。中心平面通过端面齿轮诸齿顶圆弧中心的平面(此平面垂直于端面齿轮的轴心线,在图1b与c中表示为直线)。标准位置齿槽对称于端面齿轮中心线时的特定位置。、端面齿轮在外圆柱面与中心平面相交处的弦齿厚;,2端面齿轮在中心平面上的齿糟宽;r,端面齿轮外圆柱面的半径;ri端面齿轮的齿根曲线在标准位置时,其投影的圆弧半径,且;z-5z/Z 9P.-端面齿轮的齿顶曲线在标准位置时,其投影的圆弧半径;中国轻工总会1995-05-08批准1996一01一01实施QB/T 2092-1995h,-端面齿轮在外圆柱面上的齿顶高;h-
3、端面齿轮在外圆柱面上的全齿高;T弦节距,其值取决于z1和r,,即T二2r,sin3600/z2.3端面齿轮副及代号2.3.1端面齿轮与圆柱齿轮啮合时的啮合深度及其代号见图2,图2啮合深度示意图及代号代号:z端面齿轮的齿数;Z,-圆柱齿轮的齿数;s=az-端面齿轮在轴向啮合的深度及其偏差(dz);Y士dy端面齿轮在径向呛合的深度及其偏差(dy)oH端面齿轮中心线与其啮合的拨针轮(跨轮或分轮)端面的距离。其值取决于Y与二,即:H = r,-y.2.3.2与端面齿轮啮合的回柱齿轮的齿形及代号见附录A(补充件)。3端面齿轮的齿形今数为使端面齿轮副具有良好的传动特性,本标准所给出的端面齿轮齿形参数应与附
4、录A的圆柱齿轮匹配使用。3.1与拨针轮呛合时的端面齿轮参数当拨针轮齿数:为1017,端面齿轮齿数二,为10-14、模数为lm二时,端面齿轮的齿形参数、啮合深度及其偏差值见表1,3.2与跨轮啮合时的端面齿轮参数当跨轮齿数z,为2436,端面齿轮齿数z,为10-14,模数为1 mm时,端面齿轮的齿形参数、啮合深度及其偏差见表2。3.3圆柱齿轮参数与端面齿轮匹配及相关的圃柱齿轮(拨针轮、跨轮和分轮等)尺寸、齿形参数见附录A(补充件)。QE/T 2092-1995表1与拨针轮啮合时端面齿轮的齿形参数10r,s,P.h.1zhxdxYdy105.6501. 3001.8001.3682.2322.812
5、2.3120.6401. 2450.255115. 7001.3001. 9001. 4132.2632. 8092. 3080.8001.2450. 255125.8001.3002.0001.4572.3262. 7852.1850.8801. 2450. 255135.8501.3002.0001.4572. 3572.7562.2560. 9601. 5600.340145. 8501. 3002.0001.45义2.3572. 7742. 2741.0401.5600. 340155.8501.3001.9001.4132. 3572.7492.1491.0401. 5600.340
6、165. 9001. 3001.8001.3672.3882. 6912.0911.0401.6750.425175.9001.3001.9001.4132. 3882.7272.2271.0402. 3350. 765又-.一.一-一-一一-一-一.-一- 11r】了1P.h.J2h孑d,ydy106. 0501.3002.000t1. 4602.1422.9032.4030. 5601.0450.255116. 2001.3002.0001.4602.2272. 8452. 3450.8001.2450. 255126.3001.3002.0001.4602. 2842.8122.3120
7、.8801. 3600. 340136. 4001.3002.0001.4602.3402. 7612. 2611. 9601.5600. 340146.4001.3002.1001. 5032. 3402.7972.2971.0401. 5600.340156. 4001.3002.0001.4602.3402. 7752. 2751.1201.5600.340166.4001.3001.9001.4162.3402.7492.2491.1201. 5600. 340176.4001. 3001.9001.4162.3402. 7652.1651.1201. 5600.340万12r1凡八h
8、.了盆人rd.)dy1O6.6001.3002.0001.4632.1442.8952.3950.5601.0450. 255116. 7501. 3002. 0001.4632.2222.8422.3420.8001. 2450.255126.8501.3002.0001.4632. 2742. 8132.3130.8801.3600. 340136.8501.3002. 2001.5472.2742.8482. 3480. 9601.3600.340146.9001.3002.2001.5472.3002. 8452.3451.0401.5600.340156. 9501.3002.000
9、1. 4632.3262.7802.2801.0401.5600.340166.9501.3001.9001.4182.3262. 7552.2551.1201. 5600. 3401769501. 3002.0001. 4632.3262.7932.2931.2001. 5600.34013z_1.3003001.300P.2.0002.0002.000d了2. 1222.1942. 2662.9082. 8612.8152.4080.5601.045dy0. 2551.1600. 3401. 475口.425、一1465一价一1466100-川-40010-11-12376QB/T2092
10、一1995续表1】rl李1扒h.万2kXd之ydy13740013002.1001,50召226628332。33309601.4750425147450130022001.5492.2902.84923491,0401,3600.340l5173501.3002.0口口14652.24228592.3591.12013601。3缪0l67,4501.3002.10015072.2902,8272.3271.1201.5600卜340l77.500130Q200014642,3142.了982.29812001.5600.340下14r介P.人32几了dxyd, 一l0l7卜65013002.
11、0001.46621242t9O22卜40205右01.1600.340ll780C13002_0001.4662.1922.8592,3590.7201,2750425l27.9001.3002.0001.4662。237283623360.8801.3900卜510l37.9001.3002,10015092.2372,8562,3560.9601,4750,425l47。9001。3002.100150922372.8792.379104014750,425一17.9001.3002.2001.5512.23728992.3991.0401,47504251679001.3001.900
12、1.4222,2372。83623361卜1201.4750,425l78.0001.3002.0001.4662.281282923291.0401,4750425表2与跨轮啮合时,端面齿轮的齿形参数10护,了飞阵入,52几丁dx夕d夕2457001,3001,8001.36822632卜688203812001.3870.213285.7001.3001,gQO又,41322642,?172.0671。OOQ1,487公23305.70013002.0001卜45722642.7401.9401000148了0,2133257001300200口1。4572。264273619361000
13、1.4B夕0。21333l570013001.8001.3682,26426741,87409001,4870.213355。65013002,00014572,232280石1。55607001,28702133656501。30020001.4572,2322.8051.5550.6551“2,0,213l1P.儿 了2。2062.0641770d,何一一何一哩1287上1.20D一1000一0870一08663公023002.8563002.3002.864占.20013001。800272002130.2130.213n-门黯1,3001。召002。0002,2272.2272.199
14、271石1。3002.8260866脚一28一30一况-33瑞300凡002.1702.8367668767360.8360,213585一585一翌370一460一371卜3001.9001.41621702卜86916190。719黑0213肠一肠377QB/T2092一1995续表2l2r1匀P.人。多2hXd必y24675013002,0001,4632.2222.773227313201.3B70213286.7501.3001,8001,3732,22227182.0681卜0001,3870.213306t800130020001.4632.24827312.0811卜0001,
15、4870.2133267501.30018001.3732.2222.7082.0581.0001.4870.213336.70013002,0001,4632,1962.81318630.96012870.2133366501.30020001.4右32.1702883178308801,1870.213366.700130019001.4192.19628001。8500。8801.2870,213反l3r1SLP.人.J2人工d工)dy2473001。30023001,5902,218284523451.32013870.213287.2501.3001.80013752,1942.75
16、1225111401.38702133O72501.3002,10015082.1942.8372。18711201.3870213327.2501.30019001,4202,1942.7752.1251,1201.3870卜213337.2501.3001,8001,37521942.7422.0921.0201.3870.213357.2501,30016001,2792.1942691204110401.3870卜213367.200lt3001,700132旧2.17027691.96910201.2870卜21314。-320一120r7.7007.800h.3002。100150
17、92。1472.8962.396lt2R73002000146621922.8052.155.3451138711387一1287112011.1201112011120黑1.3001.9001.4222.1702.8102.16013002.2001.5512.17028972。247嘿3002.0001.4662.1922.7982.1481卜3002.1001,5092.1472933213377003002.1001.5092.1472.9332.133.1201287匆一朋-30-能一洲-35一肠378QB/T 2092-1995附最A与幼面齿轮匹祝及相关的回柱齿轮(补充件)本附录适
18、用于手表或怀表拨针机构中与端面齿轮匹配及相关的团柱齿轮,如拨针轮、跨轮和分轮齿形及代号圆柱齿轮齿形及其代号见图Al,氛引图Al画柱齿轮齿形及代号代号:r分度圆半径,r,-齿根圆半径;r.齿顶圈半径;s分度国上的齿厚;P. ,齿顶圆弧半径系数;h,齿顶高系数;人齿高。A2-齿轮尺寸及参救A2. 1齿轮尺寸圆柱齿轮齿数:za模数:。分度圆半径:。=,ZE/2;齿顶回半径:r.=(zd2+h,“)二;齿根圆半径:rf=(z$/2-1. 75)m;分度圆上的齿厚:s=1. 41m ;齿顶高:h。二h.。;齿顶圆弧半径:P.=P.,,。A2. 2齿顶高系数和齿顶回弧半径系数当模数为lm二时,齿数z:与齿顶高系数h,和齿顶圆弧半径系数P.的数值见表Al.QB/T 2092-1995表Al齿顶高和齿顶圆弧半径系数表齿数h. -P.8910-1112-1314-1617-2021-2526-3435-5455134135以上1.161.171.191.201.221.241.261.271.291. 311. 321. 851.871. 901.921.951.982. 012.032.062.092. 11附加说明:本标准由中国轻工总会质量标准部提出。本标准由全国钟表标准化中心归口。本标准由天津大学负责起草;轻工业部钟表研究所参加起草本标准主要起草人容光文、滕素艳、赵燕玉、马葵林。380