JB/T 9002-1999 运输机械用减速器

ICS21.120.20

J19

JB/T9002999－－－1

运输机械用减速器

Gearboxesfortransportationmachinery

1999-06-28发布2000-01-01实施

国家机械工业局发布

JB/T9002－－－－1999

目次

前言

1范围··························································································································································1

2引用标准··················································································································································1

3型式和尺寸··············································································································································1

4基本参数及承载能力·······························································································································5

5技术要求··················································································································································6

6试验方法················································································································································19

7检验规则················································································································································19

8标志、包装、运输及贮存·····················································································································19

9制造质量保证及可靠性指标·················································································································20

附录A（标准的附录）减速器的承载能力及选用················································································21

附录B（标准的附录）中硬齿面齿轮减速器有关规定·········································································26

附录C（提示的附录）工作机械载荷分类····························································································29

附录D（提示的附录）减速器的实际传动比························································································31

附录E（提示的附录）减速器转动惯量································································································32

I

JB/T9002－－－－1999

前言

本标准是对ZBJ19026—90《运输机械用减速器》的修订。修订时，对原标准作了编辑性修改，

主要技术内容没有变化。

本标准自实施之日起代替ZBJ19026—90。

本标准的附录A、附录B是标准的附录。

本标准的附录C、附录D、附录E都是提示的附录。

本标准由北京起重运输机械研究所提出并归口。

本标准起草单位：北京起重运输机械研究所。

本标准主要起草人：徐寄蓉、马亨阳、谷九清、佟家彦、赵春晖。

II

中华人民共和国机械行业标准

JB/T9002－－－－1999

运输机械用减速器

代替ZBJ19026—90

Gearboxesfortransportationmachinery

1范围

本标准规定了运输机械用减速器（以下简称减速器）的型式、尺寸、基本参数、技术要求、试验方

法和检验规则等。

本标准适用于DBY型二级传动和DCY型三级传动圆锥圆柱齿轮减速器。DBY型和DCY型减速

器主要用于运输机械，也可用于冶金、矿山、化工、煤炭、建材、轻工、石油等各种通用机械，其工作

条件应符合下列要求：

a）输入轴最高转速不大于1500r/min；

b）齿轮圆周速度不大于20m/s；

c）工作环境温度为–40~+45℃。当环境温度低于0℃时，启动前润滑油应加热。

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最新版本的可能性。

GB/T1356—1988渐开线圆柱齿轮基本齿廓

GB/T1569—1990圆柱形轴伸

GB/T3098.1—1982紧固件机械性能螺栓、螺钉和螺柱

GB/T3323—1987钢熔化焊对接接头射线照相和质量分级

GB/T5903—1995工业闭式齿轮油

GB/T6404—1986齿轮装置噪声声功率级测定方法

GB/T9439—1988灰铸铁件

GB/T10095—1988渐开线圆柱齿轮精度

JB/T9050.3—1999圆柱齿轮减速器加载试验方法

3型式和尺寸

3.1型式

DBY型为二级传动硬齿面齿轮减速器；DCY型为三级传动硬齿面齿轮减速器。DBY型和DCY型

减速器的第一级传动为圆锥齿轮，第二、第三级传动则为渐开线圆柱斜齿轮。

减速器按出轴形式可分Ⅰ、Ⅱ、Ⅲ、Ⅳ四种装配型式，按旋转方向可分顺时针（S）和逆时针（N）

两种方向，见图1，图2。

国家机械工业局1999-06-28批准2000-01-01实施

1

JB/T9002－－－－1999

ⅠⅡⅢⅣ

图1DBY型减速器装配型式

ⅠⅡⅢⅣ

图2DCY型减速器装配型式

3.2外形尺寸

3.2.1DBY型减速器的外形尺寸应符合图3、表1的规定。

3.2.2DCY型减速器的外形尺寸应符合图4、表2的规定。

图3

2

JB/T9002－－－－1999

表1mm

名义中心距ad1l1d2l2DLABCEFGshH

16040487014050050019025021065180430

35

18042501108056556521527023070200475

110170

2005055906256252403002507540225520

22455651007057052603202708045250570

140

25060751102107857852903703109050280626

280651408512087587532540034010055315702

170

315759514025097597535545038011060355809

355901701001601085108539048041012065400900

210300

4001001101701215121544053046013070450970

45011021013019013651365490600510140805001071

250350

50012015022015251525570650560150905601210

560130250160300250410170517056107506401601006301325

平均油量

重量

名义中心距aMn×d3NPRKTb1t1b2t2b3t3e

kg

1601451152104404351.52074.51737

6×18301214

1801601352405054553.522852329

2001751452555551453.51659259530513

6×2335

2241901652906351659186910641518

28

25021040180315—705642079.511657325

6×2718

280230452003557856922903212776036

315260502204058752079.52510036148102051

3552856×332454509752595106169143669

552840

4003052805101105106116179196695

28

45034560315575940124511632137452002532130

8×39

500435703506451050138512736158502313633185

32

5604758×45803907151165154513740169562625020260

3

JB/T9002－－－－1999

表2mm

名义中心距aa1d1l1d2l2DLABCEFGsh

1601122560327014051055519025021065180

8035

18012530388057562521527023070200

80170

2001403542906406852403002507540225

22416040481007257752603202708045250

110

25018042501102108158602903703109050280

110

280200505512090597032540034010055315

31522455651402501020108535545038011060355

140

35525060751601140122039048041012065400

300

40028065140851701275135544053046013070450

170

45031575951901425152049060051014080500

350

500355901701002201585169057065056015090560

210

56040010011025041017751895610750640160100630

63045011021013030047019952145675800690170110710

250

71050012015034055022352400760900770190125800

800560130250160300400650250527008401000870200140900

平均油量

重量

名义中心距aHMn×d3NPRKTb1t1b2t2b3t3e

kg

16042314511521049528352074.52009

6×1830810

1804681601352405653341228525513

20052017514525561510381245259532518

6×2335—

2245701901652907054351.510645326

121428

250626210401803157804553.511658633

6×27

280702230452003558801453.516593212783746

315809260502204056559851659186936148110065

3559002858×332454507401110642079.5169155090

551840

40097030528051084012456922901791967125

45010653456031557594014002079.525100452002675180

8×39

500120843570350645105015502595106502314340240

28

560132547539071511651735106116562625320335

8028

63014605254458001305198511632137703147170480

8×45

71016655705009001490222012736158803559600690

9032

8001870625560110016802520137401699041713340940

4

JB/T9002－－－－1999

图4

3.3减速器的输入轴、输出轴及齿轮轴轴伸尺寸应符合GB/T1569的规定。

3.4型号和标记

输入轴旋转方向代号

装配型式代号

公称传动比

名义中心距a，mm

型式代号

标记示例：

名义中心距为280mm，公称传动比为31.5，装配型式为第Ⅲ种，输入轴为顺时针方向旋转的三级

传动减速器的标记为：

减速器DCY280–31.5–ⅢSJB/T9002—1999

4基本参数及承载能力

4.1中心距

4.1.1DBY型减速器的中心距应符合表3的规定，DCY型减速器的中心距应符合表4的规定。

表3mm

名义中心距a160180200224250280315355400450500560

末级中心距160180200224250280315355400450500560

表4mm

名义中心距a160180200224250280315355400450500560630710800

中间级中心距112125140160180200224250280315355400450500560

末级中心距160180200224250280315355400450500560630710800

4.2公称传动比

4.2.1减速器的公称传动比应符合表5的规定。

5

JB/T9002－－－－1999

表5

型式DBY型DCY型

公称传动比81011.212.51416182022.4252831.535.5404550

4.2.2减速器的实际传动比与公称传动比的相对误差：DBY型减速器不大于4%，DCY型减速器不大

于5%。

4.3齿轮模数

4.3.1圆锥齿轮大端模数m为3~15mm。

4.3.2圆柱齿轮模数mn为2.5，2.75，3，3.5，4，4.5，5，5.5，6，7，8，9，10，12，14，16，18，20，

22，25mm。

4.4齿轮的基本齿形

4.4.1圆锥齿轮为格里森弧线齿或克林根贝尔格延伸外摆线齿，齿形参数应符合表6的规定。

表6

齿制格里森齿形制克林根贝尔格齿形制

齿形弧线圆锥齿轮延伸外摆线齿轮

齿形角α=20°α=20°

齿顶高系数ha=0.85ha=1.0

顶隙系数C=0.188Cc=0.25

齿宽中心螺旋角βm=35°βm=30°

4.4.2圆柱齿轮基本齿廓应符合GB/T1356的规定。

4.5减速器的承载能力及选用应符合附录A（标准的附录）的规定。

5技术要求

5.1机体和机盖

5.1.1机体和机盖铸铁件应符合GB/T9439中的HT200。允许采用焊接的机体和机盖，焊接件焊缝

应达到GB/T3323中的Ⅰ级焊缝的规定。

5.1.2机体、机盖合箱后，允许机盖凸缘比机体凸缘宽，每边宽出量应符合表7的规定。

表7mm

名义中心距a机盖凸缘宽出量

≤280＜3

≥315＜5

5.1.3机体、机盖自由结合时，分合面应密合，用0.05mm的塞尺检查其缝隙，塞尺塞入深度应不超

过分合面宽度的1/3。

5.1.4机体、机盖应消除内应力。

5.1.5分合面精加工后，平面度为7级精度，表面粗糙度Ra为3.2μm。

6

JB/T9002－－－－1999

5.1.6轴承孔尺寸公差带为H7，表面粗糙度Ra为3.2μm。

5.1.7轴承孔的圆柱度为7级精度。

5.1.8轴承孔圆柱面与其端面的垂直度为7级精度。

5.1.9轴承孔的中心距极限偏差±fa应符合表8的规定。

表8

中心距

＞80~120＞120~180＞180~250＞250~315＞315~400＞400~500＞500~630＞630~800

mm

极限偏差±f

a17.520232628.531.53540

μm

5.1.10轴承孔的中心线平行度公差，在轴承跨距上测量，在水平和垂直方向fx、fy应符合表9的规定。

表9

轴承跨距

≤125＞125~280＞280~560＞560~1000

mm