特殊螺纹接头扭矩的分析_吴稀勇.pdf

pkÐùî+y„Õ¤he ¥s吴稀勇, 闫 龙, 陈 涛(?ÃÑ5"v"zµK³/ŒÏ,?Ã300301)K 1: 简要介绍了特殊螺纹接头的基本结构和特殊螺纹接头扭矩计算的重要意义b在试验与有限元分析的基础上,建立了特殊螺纹接头的扭矩计算方法b该方法是将特殊螺纹接头扭矩分成螺纹与台肩两部分,采用不同的摩擦系数对有限元模型计算上扣后对应的螺纹与台肩扭矩b最后验证了该计算方法的可靠性,结果表明,该方法的计算结果与试验结果相吻合,可以用于特殊螺纹接头扭矩的计算与预测b1oM: 特殊螺纹接头; 扭矩; 有限元Ïms Ë|: TE931. 2 ÓDS½’: B ÓcI|: 1001- 3938( 2010) 09- 0012- 03Analysis onTorqueofPremium ConnectionsWU X-iyong, YAN Long, CHEN Tao(R&D C enter of Tianjin P ipe (G roup) Corporation, L td. , T ianjin 300301, China )Abstract:This article briefly introduced basicstructureofprem ium connection and significanceofcalculating prem iumconnection torque. Based on experiments and finite element analysis ( FEA), the torque calculation methodology ofprem ium connectionswas proposed. The torque was divided into two parts: one from thread, the other from torqueshoulder, and different friction coefficientswere applied to fit the torques from thread and torque shoulder in FEA. F-inally, the reliability of thismethod was validated; the results showed that calculation valueswere in good agreementw ith experiment results, and it can be applied to calculate and forecast prem ium connection torque.Keywords: prem ium connections; torque; finite element0 „ ýÛ"F²?–ý<¥?Z,'ÝaÑ'ÝaÚÑÚâÝa£Ý„cªKºÉ¥Ú4Ý¥ 7? Ÿ,ƒtÝ ƒÏAPI„Õ¤hXÜ‚?¡@P¨1p,³1¨ !áŸ?#ð1p¥+y„Õ¤hb+y„Õ¤hŸ?¥µKís,Xµv¥ùî,ŒBîû"Ïha=âa“âaà_âê ˜%©àëH¸„€¥‹ ï‹MsZë[1- 4]b²BP¨Ï,+y„Õ¤hH¨¿e  h,‚^APIÊ0™„Õ¥¿Ê hb6“ he ¥vl¤h¥âêŸ?„ FVe? ïûµ•Y,y7+y„Õ¤h he ^Bñ“×1¥•”,ŒƒZë¥ùî bBîLþk V[¤že ´,Œ^v?¥Lþk³1½nv¥HW„ ïb²†LþkР؂s,s•Ye¥yÍ,i’ç­W¥1",[y ë˜ Ÿsç©e , V[«8v¥HWb6“y ëe 9Ø¥ZE, V[ùî•Ye vl¥yÍ,µ æ¿+y„Õ¤h¥²!9ЪÄb'ùîsvk¥$,²†µKís,4BÕe 9ØZEb1 +y„Õ¤h¥e +y„Õ¤hBî “„ÕaÁ‹-Á‹áÐe ûZ؆sb+y„Õ¤h¥ hVñ V#12# 焊管#»33 »9ù# 2010M9[sî†s:rž.Äe ­-¥áV”„„ÕV”;rž.Ī¥áV”a„ÕV”„eû¨V”báV”a„ÕV”„e û¨V”(¹¥V”,e ÐV”^LŸ1",y7ßF­ª¯–^LŸbm1^+y„Õ¤he Û h”MĥŘwLbVm1 V©,e¥vlHÛ”¥MÄLŸ9v,e wLiBñ.ÄC,VCĪ,e 9vÎ6b‹¿ hVñ, CÄ-^rž.Äe ­-¥áV”„„ÕV”Á3¥e , CĪ^rž.Ī¥áV”a„ÕV”„e û¨V”Á3¥e b1 V©,e û¨V”Á3¥e 9vÎùv¿áV”„„ÕV”¥rTbm1  he Û h”MÄwLô ‹ ïАŸ ïÐ,+y„Õ¤h¥e  V¿(1)T9Ø:T = kr2pLdsdH, (1)TÏ: T )e ;r)¤(ë¥öå;p)¤(ë.¾¥â ï,'¤(‹ ï;s)¤(ëZ_¥É;H)˜;L) ˆ"”b2 e ¥9ØеKí˜Vm1 V©,V.Ī,e ûZ),e9v11á„Õ) yby7 V[|œñhVñ¥e 9ØT(1)sî†s,'T = L1 ktr2pdsdH+ L2 kSr2pdsdHb( 2)T(2)Ï,»1[^„ÕÐá†sÁ3¥e , ˆ"”¹L1;»2[^e ûZ†sÁ3¥e , ˆ"”¹L2bÏL1„L2 V[®µKí9ØÐk²T1¤ž:kÏ¥.Ä´‹¿m¼!9¥à_V”‹¥e ´,NH|9زTÐk¥.Ĕ 1 V[¤žL1,] Ø V|kÏ¥Kve Ћ¥9زT1 V[¤žL2bL1„L2’çª,ü V[]Õ h˜¥M»?ì,‚]V”©É›e 9Øb¹ùAbaqusÈqy ëe 9Ø¥µKí˜(­{„È6˜,y ëàë˜), <177. 8mm@ 10. 36mm¥ñ+y„Õ¤h˜©ìÂm2îUbm2 < 177. 8mm @10. 36mm+y„Õ¤h˜¥©ìÃsCADÏy ë‚]V”е¥†¥( pin)Ð( box)²,ÆžAbaqusÏb9Øϐ¨4«Äàë†í,¤(¥9ؐ¨¤(ëØE,çlbox¹¤(öë, pin¹¤(Vëb²TÏ{CTRQ•”Ф(‹ ïCPRESSbm3^L80Ña<177. 8mm @ 10. 36mmñ+y„Õ¤h hVñª¤(륤(‹ ïsƒbªÃ) ØÏIPython–'Vpin†íÏ¿¨½¤(Vë¥îµ«Ä,V²TÓqϝ‹«Ä¥¤(‹ ïÐUSaÊM,¿vT( 2)9Øe b3 e 9ØZE¥£AbaqusÏàë†í{¥CTRQ^L=1H¥e ´,¹£9ØZEÐPython–'¥µrŸ,³1|¨Python9Ø¥²T(|L= 1)ÐCTRQ{²T1bL80Ña<177. 8mm#13# »33 »9ù ñ§©:+y„Õ¤he ¥sm3 L80Ñ< 177. 8mm @10. 36mm+y„Õ¤h¤(륤(‹ ïsƒ€10. 36mmÕ+y„Õ¤h,¿v!9V” h,¨Python–'9Ø¥e ²T¹9 825N#m,‹¥CTRQ{¹9 829N#m,€dȤÍbðÕ+y„Õ¤h,1CTRQ{²TÐPython9Ø´,”´9dȤÍbƒVü9Øe ¥Python–'^ V L¥b4 9زTÐk²T1|Õ+y„Õ¤h˜9زT„k²TÉ›1bV1„V2^L80Ña< 244. 48mm @13. 84mmñ+y„Õ¤hk²TÐ9زT¥1b²TVü,.Äe Ð hKve µKí9Ø¥e ´Ðk´'Ö†bV1 L80Ñ< 244. 48mm @13. 84mm+y„Õ¤h.Äe 1V”ÿµKí˜9Ø´/N#m hk´/N#mA_0(H) 13 049 13 406N_0(N) 10 989 10 840B_0(L) 9 891 。