JBT 2001.74-1999水系统 螺母 型式与尺寸.pdf

ICS 23.100J 20JB中华人民共和国机械行业标准JB/T 2001.74—1999水系统螺母型式与尺寸Water system—Nut—Type and size1999-06-28发布2000-01-01实施国家机械工业局发布 中华人民共和国机械行业标准JB/T 2001.74—1999水系统螺母型式与尺寸代替JB 2077—84Water system—Nut—Type and size1范围本标准规定了液压机用螺母的型式与尺寸。本标准适用于与压力机立柱配套的螺母。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。JB/T2001.73一1999水系统45°锯齿形纹牙型与基本尺寸3型式与尺寸3.1液压机用螺母的型式与尺寸按图1、表1的规定。3.2液压机用螺母由两个半螺母用螺栓连接而成，半螺母的型式与尺寸按图2、表2的规定。3.3液压机月爆母的螺纹按JB/T2001.73的规定。A IB (d6420 mm )(d450 mm )1—半螺母：2—烯栓：3—烯母图 1国家机械工业局1999-06-28批准2000-01-01 实施 JB/T 2001.741999表 1孵义外径蝴距螺栓dDH8d,XLdj(个)d2量kgmm1502301406028.21602401507031.4170 626016070120 M24X1502539.818027017044.21902901808053.8200300180M106021032019030 72220833020090140M30X180792503802301001182804202501101603001045027012040178320480290130160M36X200M12237350530320140412 317380570340150180M42X24060036016046142063008170M205053245016680410115200M48X260315480720430125629500750450135M2469152078047013060550830500145240 M56X300914580208705201550E01600900540150M30611816209305601602601347650980590175M64X35014676801020610185M367016057002410506301852801731720108065019518617501130680210M422109780117070022023118001200720210M4826938201230740220320M72X400280185032128077023531798801320790245M563469900135081025536692 JB/T 2001.741999表1(完)孵义外径DFH;频栓d2量dd,XL(个)kgmm9201380830265320M72X400M6439419503214308602808043709801470880290M72X450479410001500900300M72516610601590960300360643211201680101040325M90X450M809076241180177010603509104125018801130380 DB 型( d≤420 mm )(d μ450 mm )12xr2x4,8图 2表 2DHHfBH,d重量kgmm15023014714060959512.616024015715070 100 10014.2170262526016716070 105605253310518.418027011020.6061290187180120115M1025.420030019618012511527.0210zE30320206130 0L6304012533.2 2203302162009014012536.53 JB/T 2001.741999表2(完）HH重量mmkg25032380246230100155040 15056.22804202752501101756165M107730010404502952701201954517582320438480315290130200 50 190ZIW11435012530140220821015438044570tLE401502359055220M161914004439216024