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main_content begin--> <div class="maincontent"> <!-- left begin --> <div class="news_left"> <div class="brand_news_details"> <h1>甉|°”癄¡§‘åQšATOS溢流阀提前预防以下措施能避免很多不必要的磨æ?/h1><table style="border-bottom:1px dotted #e4e4e4;" align="center"><tr><td><div class="news_mes">文章来源åQšä¸œèŽžå¹¿è”工业自动化讑֤‡æœ‰é™å…¬å¸ 作者:ã€?ã€?点击åQ?span id="HitNum"></span>‹Æ?旉™—´åQ?span id="dTime">2019/9/20 15:25:11</span><input type="hidden" id="ID" value="100905012"/><input type="hidden" id="TypeID" value="2"/></div> </td> <td><div id="ckepop"></div></td></tr></table><div id="Content" style="display:none;">[甉|°”癄¡§‘åQšATOS溢流阀提前预防以下措施能避免很多不必要的磨损]:减小或消除先ATOS导式溢流阀噪声和振动的措施一般是在导阀部分加置消振元äšg。消振套一般固定在导阀前腔åQŒå³å…±æŒ¯è…”内åQŒä¸èƒ½è‡ªç”±æ´»åŠ¨ã€‚在消振套上都设有各¿Ué˜»ž®¼å­”åQŒä»¥å¢žåŠ é˜Õd°¼æ¥æ¶ˆé™¤éœ‡åŠ¨ã€‚另外,ç”׃ºŽå…±æŒ¯è…”中增加...</div><div class="brand_news_con"><p style="text-indent:2em;"> 减小或消除先ATOS导式溢流阀噪声和振动的措施 </p> <p style="text-indent:2em;"> 一般是在导阀部分加置消振元äšgã€?</p> <p style="text-indent:2em;"> 消振套一般固定在导阀前腔åQŒå³å…±æŒ¯è…”内åQŒä¸èƒ½è‡ªç”±æ´»åŠ¨ã€?</p> <p style="text-indent:2em;"> 在消振套上都设有各种é˜Õd°¼å­”,以增加阻ž®¼æ¥æ¶ˆé™¤éœ‡åŠ¨ã€‚另外,ç”׃ºŽå…±æŒ¯è…”中增加了零ä»Óž¼Œä½¿å…±æŒ¯è…”的容¿U¯å‡ž®ï¼Œæ²ÒŽ¶²åœ¨è´ŸåŽ‹æ—¶åˆšåº¦å¢žåŠ åQŒæ ¹æ®åˆšåº¦å¤§çš„元件不易发生共振的原理åQŒå°±èƒ½å‡ž®‘发生共振的可能性ã€?</p> <p style="text-indent:2em;"> 消振垫一般与共振腔活动配合,能自ç”Þp¿åŠ¨ã€‚消振垫正反面都有一条节‹¹æ§½åQŒæÑa液在‹¹åŠ¨æ—¶èƒ½äº§ç”Ÿé˜Õd°¼ä½œç”¨åQŒä»¥æ”¹å˜åŽŸæ¥çš„流动情å†üc€‚由于消振垫的加入,增加了一个振动元ä»Óž¼Œæ‰îCؕ了原来的共振频率。共振腔增加了消振垫åQŒåŒæ ·å‡ž®‘了容积åQŒå¢žåŠ äº†æ²ÒŽ¶²å—压时的刚度åQŒä»¥å‡å°‘发生共振的可能性ã€?</p> <p style="text-indent:2em;"> 在消振螺堵上设有蓄气ž®å­”和节‹¹è¾¹åQŒè“„气小孔中因留有空气,½Iºæ°”在受压时压羃åQŒåŽ‹¾~©ç©ºæ°”具有吸振作用,相当于一个微型吸振器。小孔中½Iºæ°”压羃æ—Óž¼Œæ²ÒŽ¶²å……å…¥åQŒè†¨èƒ€æ—Óž¼Œæ²ÒŽ¶²åŽ‹å‡ºåQŒè¿™æ ·å°±å¢žåŠ äº†ä¸€ä¸ªé™„加流动,以改变原来的‹¹åŠ¨æƒ…况。故也能减小或消除噪声和振动ã€?</p> <p style="text-indent:2em;"> 另外åQŒå¦‚果溢‹¹é˜€æœ¬èín的装配或使用权用不当åQŒä¹Ÿéƒ½ä¼šé€ æˆæŒ¯åŠ¨åQŒäñ”生噪声。如三节同心式溢‹¹é˜€åQŒè£…配时三节同心配合不当åQŒä‹É用时‹¹é‡˜q‡å¤§æˆ–过ž®ï¼Œé”¥é˜€çš„不正常¼‚¨æŸ½{‰ã€‚在˜q™ç§æƒ…况下,应认真检查调æ•ß_¼Œæˆ–更换零件ã€?</p> <p style="text-indent:2em;"> ATOS溢流阀调压å¤Þqµ </p> <p style="text-indent:2em;"> ATOS溢流阀在ä‹É用中有时会出现调压失çëŠŽ°è±¡ã€‚先导式溢流阀调压å¤ÞqµçŽ°è±¡æœ‰äºŒ¿Uæƒ…况:一¿Uæ˜¯è°ƒèŠ‚调压手轮建立不è“v压力åQŒæˆ–压力达不到额定数å€û|¼›å¦ä¸€¿Uè°ƒèŠ‚手轮压力不下降åQŒç”šè‡³ä¸æ–­å‡åŽ‹ã€‚出现调压失灵,除阀芯因¿Uç§åŽŸå› é€ æˆå¾„向卡紧外,˜q˜æœ‰ä¸‹åˆ—一些原因: </p> <p style="text-indent:2em;"> *是主阀体(2åQ‰é˜»ž®¼å™¨å µå¡žåQŒæÑa压传递不åˆîC¸»é˜€ä¸Šè…”和导阀前腔åQŒå¯¼é˜€ž®±å¤±åŽÕd¯¹ä¸»é˜€åŽ‹åŠ›çš„调节作用。因主阀上腔无æÑa压力åQŒå¼¹½§åŠ›åˆå¾ˆž®ï¼Œæ‰€ä»¥ä¸»é˜€å˜æˆäº†ä¸€ä¸ªå¼¹½§åŠ›å¾ˆå°çš„直动型溢流阀åQŒåœ¨˜q›æÑa腔压力很低的情况下,主阀ž®±æ‰“开溢流åQŒç³»¾lŸå°±å»ºç«‹ä¸è“v压力ã€?</p> <p style="text-indent:2em;"> 压力达不到额定值的原因åQŒæ˜¯è°ƒåŽ‹å¼¹ç°§å˜åŞ或选用错误åQŒè°ƒåŽ‹å¼¹½§åŽ‹¾~©è¡Œ½E‹ä¸å¤Ÿï¼Œé˜€çš„内泄漏˜q‡å¤§åQŒæˆ–导阀部分锥阀˜q‡åº¦¼‚¨æŸ½{‰ã€?</p> <p style="text-indent:2em;"> ½W¬äºŒæ˜¯é˜»ž®¼å™¨åQ?åQ‰å µå¡žï¼Œæ²¹åŽ‹ä¼ é€’不到锥阀上,导阀ž®±å¤±åŽÖMº†æ”¯ä¸»é˜€åŽ‹åŠ›çš„调节作用。阻ž®¼å™¨åQˆå°å­”)堵塞后,在ä“Q何压力下锥阀都不会打开溢流æ²ÒŽ¶²åQŒé˜€å†…始¾lˆæ— æ²ÒŽ¶²‹¹åŠ¨åQŒä¸»é˜€ä¸Šä¸‹è…”压力一直相½{‰ï¼Œç”׃ºŽä¸»é˜€èŠ¯ä¸Šç«¯çŽ¯å½¢æ‰¿åŽ‹é¢¿U¯å¤§äºŽä¸‹ç«¯çŽ¯å½¢æ‰¿åŽ‹é¢¿U¯ï¼Œæ‰€ä»¥ä¸»é˜€ä¹Ÿå§‹¾lˆå…³é—­ï¼Œä¸ä¼šæº¢æµåQŒä¸»é˜€åŽ‹åŠ›éšè´Ÿè½½å¢žåŠ è€Œä¸Šå‡ã€‚当执行机构停止工作æ—Óž¼Œ¾pȝ»ŸåŽ‹åŠ›ž®×ƒ¼šæ— é™å‡é«˜ã€‚除˜q™äº›åŽŸå› ä»¥å¤–åQŒå°šéœ€‹‚€æŸ¥å¤–控口是否堵住åQŒé”¥é˜€å®‰è£…是否良好½{‰ã€?</p> <p style="text-indent:2em;"> ATOS溢流阀其它故障 </p> <p style="text-indent:2em;"> 溢流阀在装配或使用中,ç”׃ºŽO形密ž®åœˆã€ç»„合密ž®åœˆçš„损坏,或者安装螺钉、管接头的松动,都可能造成不应有的外泄漏ã€?</p> <p style="text-indent:2em;"> 如果锥阀或主阀芯磨损过大,或者密ž®é¢æŽ¥è§¦ä¸è‰¯åQŒè¿˜ž®†é€ æˆå†…泄漏过大,甚至影响正常工作ã€?</p> <p style="text-indent:2em;"> ç”늣æº¢æµé˜€å¸¸è§çš„故障有先导ç”늣é˜€å·¥ä½œå¤Þqµã€ä¸»é˜€è°ƒåŽ‹å¤Þqµå’Œå¸èäh—¶çš„冲å‡Õd™ªå£°ç­‰ã€‚后者可通过调节加置的缓冲器来减ž®‘或消除。如不带¾~“冲器,则可在主阀溢流口加一背压阀。(压力一般调è‡?kgf/cm2左右åQŒå³0.5MPaåQ?</p> <p style="text-indent:2em;"> <br /> </p></div><div 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