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闸阀阀座受外压作用分析
发布时间:2019-09-13   点击次数:353次

足球彩票     1 YINYAN

足球彩票     ZHAFASHIYIZHONGCHANGYONGDEJIEDUANFA,YONGLAIJIETONGHUOJIEDUANGUANLUZHONGDEJIEZHI,DANBUSHIYUDIAOJIEJIEZHIDELIULIANG。TADEQIBIJIAN(FABAN)ZAICHUIZHIYUFANEITONGDAOZHONGXINXIANDEPINGMIANZUOSHENGJIANGYUNDONG,XIANGZHAMENYIYANGJIEDUANJIEZHI,GUCHENGZUOZHAFA。ZHAFAANQIFABANJIEGOUXINGSHIKEYIFENWEIXIESHIDANXINGZHABAN、XIESHIGANGXINGDANZHABAN、XIESHIGANGXINGSHUANGZHABAN、PINGXINGGANGXINGDANZHABAN、PINGXINGSHUANGZHABANDENG。

    下面以楔式刚性双闸板为例,具体的介绍一下闸阀阀座受力情况。如图 1 所示。

闸阀阀座受外压作用分析.png

足球彩票     2 ZHAFAFAZUOSHOULIFENXI

    SHUANGCEMIFENGSHIZHAFASHITONGGUOZENGQIANGFABANDUIFAZUODETUILIERSHIXIANDE,JIECHUYALIYINGDAYUJINKOULIUTIDEYALI。ZHEIZHONGZHAFADEQUEDIANSHI,RUGUOZAILENGTAIXIABIHE,HOULAIJINRURETAI,FABANJIUHUICHUXIANPENGZHANG,YUSHIXINGCHENGBIHEWEIZHIKAJIN,DANGZAICIKAIQIFAMENSHIJIUHUIYUDAOKUNNAN,ZHEIZHONGQINGKUANGJIUSHISUCHENGDE“XIAKANG”。LIANGHAOZHUANGTAIDEZHAFADOUSHISHIXIANDANCEMIFENG。PINGXINGSHIZHAFAYEZHINENGYUCHUKOUWEIZHIDEFAZUOSHIXIANDANCEMIFENG。BIAOZHUNDEXIESHIFABANZHAFAQINGKUANGYEYIYANG,YALISHIJINKOUCEFABANBIANXING,LIUTILIUGUOJINKOUCEFABANZHIZHIFAQIANGDADAOYALIPINGHENG。YOUCIYINCHUCHUKOUCHUFAZUOSHOUJIEZHIWAIYAZUOYONGERCHANSHENGDEQIANGDUWENTI。

 

闸阀阀座受外压作用分析1.png

足球彩票     TU 1 SHIXIANDANCEMIFENGDECHANFA

    RUTU 1 SUOSHI,JIEZHIJINRUFATIZHONGQIANGHOU,ZUOYONGYUCHUKOUCE(ZUOCE)DEFABAN,ZAIZUOCEFAZUOYUFABANMIFENGMIANCHUXINGCHENGYIGEMIFENGBIYA,ZUZHIJIEZHIDELIUTONG。TONGSHIJIEZHIZUOYONGYUFATIYUZUOCEFAZUOZHIJIANDEJIANXI,SHIZUOCEFAZUOWAICESHOUDAOJIEZHIYALIDEZUOYONG。ZAIDUIZUOCEFAZUOJINXINGQIANGDUJISUANSHI,JIUSHIYINGDUIFAZUOSHOUWAIYADEZHUANGTAIJINXINGFENXI,ERSHIYONGGUIZESHEJIDESHEJIFANGFAYIJINGBUNENGJIEJUERUCIFUZADEWENTI。ZAIBENWENZHONGCAIYONGFENXISHEJIDESHEJIFANGFAJINXINGXIESHISHUANGZHABANFAZUODEQIANGDUXIAOHE。

    TONGGUODUIFAZUODESHOULIFENXIKEZHI,FAZUOYUFATIHANJIECHUWEIGUDINGYUESHU,FAZUOWAIQIANGSHOUDAOJIEZHIYALIDEZUOYONG,FAZUOMIFENGMIANCHUSHOUDAOFABANDEMIFENGBIYADEZUOYONG,XIANGXIDESHOULIQINGKUANGRUTU 2 SUOSHI。

闸阀阀座受外压作用分析2.png

足球彩票     TU 2 FAZUOSHOULIFENXI

足球彩票     BASHITIMOXINGZHUANRU ANSYS ZHONGJINXINGFENXI,XUANZEZHUANXINGLIUMIANTIDANYUAN Solid45,SHURUCAILIAODEDANXINGMOLIANGHEBOSONGBI(RU《BIAO 1》SUOSHI),CAIYONGZIYOUWANGGEHUAFENMOXING,MORENQIUJIEQIQIUJIE,DECHUFAZUODEYINGLIYUNTUHEYINGBIANYUNTU。

《表 1》 材料为 12Cr1MoV
弹性模量(MPa) 2.140e+006
柏松比 0.286
质量密度(Kg/mm2 7.86e-012
屈服拉伸强度(MPa) 255
极限拉伸强度(MPa) 470

    YOUYINGLIFENXIYUNTUKEZHI,FAZUODEZUIDAYINGLICHUXIANZAIFAZUONEIQIANGYUFAZUOHEFATIHANJIELIANJIECHU,FAZUOXINGZHUANGZAIGAIWEIZHIBIANHUAJIAOWEIJULIEQIECUNZAIJIANJIAO,YINGSHUYUFENGZHIYINGLI,ZAIGAICHUXUANQUYINGLIPINGDINGXIAN,AN JB4732-95 DEYINGLIFENLEIYUANZE(RU《BIAO 2》SUOSHI)DUIYINGLIPINGDINGXIANSHANGDEYINGLIJINXINGFENLEI,DECHUPINGDINGXIANSHANGDEBOMOYINGLIHEWANQUYINGLI,FENBIEYUXIANDINGZHIJINXINGBIJIAO,JIKEDECHUFAZUODESHEJISHIFOUHELI。

《表 2》 各类应力强度的限制
类别 符号 计算值 限制值
一次薄膜应力 MEMBRANE Pm Sm
一次薄膜+弯曲应力 MEM+BEND Pm+Pb 1.5Sm

足球彩票     3 JIELUN

足球彩票     TONGGUOYINGLIFENXISHEJIFANGFAKEYIDUIZHAFAFAZUOJINXINGYINGLIQIANGDUXIAOHE,TONGSHIKEYIDECHUFAZUOSHEJISHIFOUHELI。

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