{"id":6875,"date":"2017-04-21T05:22:15","date_gmt":"2017-04-21T05:22:15","guid":{"rendered":"https:\/\/www.hndfcrane.com\/posts\/discussion-on-the-safety-performance-of-the-crane-brakes\/"},"modified":"2024-09-09T07:16:15","modified_gmt":"2024-09-09T07:16:15","slug":"discussion-on-the-safety-performance-of-the-crane-brakes","status":"publish","type":"posts","link":"https:\/\/www.hndfcrane.com\/tr\/posts\/discussion-on-the-safety-performance-of-the-crane-brakes\/","title":{"rendered":"Vin\u00e7 Frenlerinin G\u00fcvenlik Performans\u0131 \u00dczerine Tart\u0131\u015fma"},"content":{"rendered":"

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1. Kontrolden \u00c7\u0131kan Vin\u00e7 Freni Yaralanmalara Neden Olur<\/strong><\/span><\/p>\r\n

9 Martinci<\/sup>, 2003. Dahua Hidroelektrik Santrali in\u015faat i\u015flerinde s\u00f6zle\u015fmeli Zuojiang tesisi bak\u0131m i\u015fleri, bas\u0131n workplan d\u00f6n\u00fc\u015f reenkarnasyon kurulumu. Toplant\u0131 \u00f6ncesi yap\u0131lan dersler, \u00e7al\u0131\u015fma \u00f6ncesi d\u00fczenlemelerin y\u00fcr\u00fct\u00fclmesi ve g\u00fcvenlik teknik testleri, ilgili personel i\u015fe ba\u015flamak i\u00e7in haz\u0131r. Kald\u0131rmada iyi ko\u015fucu konisi, genel ko\u015fucuyu ayn\u0131 \u015fekilde asmay\u0131 deneyin, 10:28 makine \u00e7ukurunu kald\u0131rmaya ba\u015flad\u0131, 10:30 vinci makine \u00e7ukuruna d\u00f6nd\u00fcr\u00fcrken ve yakla\u015f\u0131k 3m da\u011f\u0131tma, k\u00f6pr\u00fc aniden kontrolden \u00e7\u0131kt\u0131, d\u00f6nme h\u0131zlan\u0131yor nerede Bu s\u00fcre\u00e7te k\u00f6pr\u00fc makinesinin frenleri patlar, di\u015fli kutusu di\u015flisi \u00e7atlar, ipi kopar, makine \u00e7ukuruna d\u00f6ner.<\/span><\/p>\r\n

Dosyay\u0131 kald\u0131r\u0131rken k\u00f6pr\u00fc makinesi i\u00e7in kaza analizinin \u00f6n nedeni, k\u00f6pr\u00fc makinesinin kontrolden \u00e7\u0131kmas\u0131na neden olacak \u015fekilde da\u011f\u0131t\u0131ld\u0131.<\/span><\/p>\r\n

2. Vin\u00e7 Freninin Mant\u0131ks\u0131z Davran\u0131\u015f\u0131<\/strong><\/span><\/p>\r\n

Anla\u015f\u0131ld\u0131\u011f\u0131 \u00fczere vin\u00e7 frenlerinin b\u00fcy\u00fck \u00e7o\u011funlu\u011fu, t\u00fcm tekerlek frenleri, kap\u0131 veya frenleme gerekti\u011finde elektrom\u0131knat\u0131s emme, bo\u015faltma veya pompa ba\u015flatma ve durdurma, yay frenleme kuvvetinin bas\u0131lmas\u0131 veya b\u0131rak\u0131lmas\u0131yla yap\u0131l\u0131r. Ve \u015fimdi kald\u0131rma i\u015flerinde, \u00f6zellikle b\u00fcy\u00fck a\u011f\u0131rl\u0131klar\u0131 kald\u0131r\u0131rken, genellikle vin\u00e7te koruma g\u00f6revlisi olarak \u00e7al\u0131\u015fan bir dizi personel ile, kald\u0131rmay\u0131 ama\u00e7layan duraklamalar meydana gelir, kayar kanca kazas\u0131, bir levye ve di\u011fer ara\u00e7lar\u0131 kullanmak zorunda kal\u0131r. "3.9" olay\u0131nda, k\u00f6pr\u00fc makinesini izlemekle sorumlu personel bu t\u00fcr \u00f6nlemleri alm\u0131\u015f, ancak uygun rol\u00fc ba\u015faramam\u0131\u015f, ancak fren \u00e7atlamas\u0131 meydana gelmi\u015ftir, b\u00fcy\u00fck kazalardan kaynaklanan fren d\u00f6k\u00fcnt\u00fcleri d\u0131\u015far\u0131 f\u0131rlayarak can kayb\u0131na neden olmu\u015ftur. Neden ac\u0131 verici bir bedel \u00f6deyerek can kayb\u0131na neden olan kazan\u0131n hasar kapsam\u0131n\u0131 azaltmay\u0131 ba\u015faramad\u0131?<\/span><\/p>\r\n

Birincisi, acil durum freninin \u00e7al\u0131\u015fma y\u00f6nteminin amac\u0131na ula\u015fmak i\u00e7in fren kampanas\u0131 \u00fczerindeki fren pabucu bas\u0131nc\u0131n\u0131 art\u0131rmak i\u00e7in levye ve di\u011fer aletlerin kullan\u0131lmas\u0131n\u0131n izlenmesinden sorumlu personelin mekanik \u00e7al\u0131\u015fmas\u0131 tart\u0131\u015fmal\u0131d\u0131r. Vin\u00e7 hen\u00fcz dosyadan b\u00fcy\u00fck a\u011f\u0131rl\u0131klar kald\u0131rd\u0131\u011f\u0131nda, kancay\u0131 kazara kayd\u0131r\u0131n, mar\u015f motoru, tahrik mili a\u011f\u0131rl\u0131\u011f\u0131n\u0131n h\u0131zlanmas\u0131 ile d\u00fc\u015f\u00fc\u015f h\u0131z\u0131n\u0131 \u00fcretecek, fren tekerlek tahrik mili de g\u00fc\u00e7l\u00fc bir radyal \u00fcretecektir. Bu nedenle personelin kazaya\u011f\u0131 ve di\u011fer ara\u00e7lar\u0131 fren kampanas\u0131 \u00fczerindeki fren pabucu bas\u0131nc\u0131n\u0131 art\u0131rmak i\u00e7in kulland\u0131\u011f\u0131n\u0131 d\u00fc\u015f\u00fcn\u00fcyorum, bu nedenle acil durum freninin \u00e7al\u0131\u015fma y\u00f6ntemlerinin amac\u0131na ula\u015fmak istenmiyor. \u0130kincisi, \u015fanz\u0131man milindeki fren sadece yetersiz sa\u011fland\u0131. Peki bu nedenle dosya vincinden kaynaklanan kaza kay\u0131plar\u0131 nas\u0131l azalt\u0131l\u0131r? Gemi kald\u0131rman\u0131n frenleme modunu \u00f6\u011frenebilece\u011fine inan\u0131yorum.<\/span><\/p>\r\n

3. Vin\u00e7 frenlerinin g\u00fcvenlik performans\u0131n\u0131n iyile\u015ftirilmesi<\/strong><\/p>\r\n

Yantan dikey gemi kald\u0131rmas\u0131nda \u00f6rnek olarak su freni moduna, gemi kompart\u0131man\u0131ndaki a\u011f\u0131rl\u0131\u011f\u0131 1430t, a\u011f\u0131r beton a\u011f\u0131rl\u0131\u011f\u0131 1100t, hidrolik disk frenler \u015feklinde ana kald\u0131rma freni, iki tak\u0131m \u00e7al\u0131\u015fma freni ve g\u00fcvenlik fren sistemi dahil. Gemi kald\u0131rma i\u015flemi gerekti\u011finde, g\u00fcvenlik her bir birinci kap\u0131da fren yapar, motor \u00e7\u0131k\u0131\u015f torkunu belirli bir \u00e7al\u0131\u015fma fren kap\u0131s\u0131na kadar art\u0131rmak i\u00e7in kap\u0131 imparatoru yerinde, gemi asans\u00f6r\u00fc \u00e7al\u0131\u015fmaya ba\u015flar; gerekirse \u00f6nce ana kald\u0131rma motor freni ile \u00e7al\u0131\u015fmay\u0131 durdurun. T\u00fcm s\u00fcre\u00e7 g\u00fcvenilir ve g\u00fcvenli, gemi asans\u00f6r\u00fcn\u00fcn kurulumu ve devreye al\u0131nmas\u0131nda ve son birka\u00e7 y\u0131lda g\u00fcvenilir bir \u015fekilde do\u011fruland\u0131.<\/span><\/p>\r\n

3.1 Hidrolik disk frenler<\/strong><\/span><\/p>\r\n

Frenleme prensibine sahip hidrolik disk frenlere k\u0131yasla poyra frenler basit, g\u00fcvenilir ve h\u0131zl\u0131 kapanma tepkisi karakteristi\u011fidir.<\/span><\/p>\r\n

3.2 G\u00fcvenlik frenini art\u0131r\u0131n<\/strong><\/span><\/p>\r\n

Burada g\u00fcvenli\u011fi art\u0131rmak i\u00e7in fren, geminin dikey kald\u0131rmas\u0131na referansla bir fren seti anlam\u0131na gelir, fren diskinin makaras\u0131ndaki art\u0131\u015f par\u00e7as\u0131 fren diski ve uygun dizilime uygun pozisyonda yerle\u015ftirilir, b\u00f6ylece bunlar tamamen ba\u011f\u0131ms\u0131z emniyet freni seti haline gelir.<\/span><\/p>\r\n

    \r\n\t
  1. \u0130nsan kurtulu\u015f operasyonunun g\u00f6zalt\u0131 personeli, yaralanma riskini azalt\u0131r;<\/span><\/li>\r\n\t
  2. Vin\u00e7 kazas\u0131, kazan\u0131n geni\u015flemesini etkili bir \u015fekilde \u00f6nleyebildi\u011finde, vin\u00e7 operasyonunun g\u00fcvenli\u011fini ve g\u00fcvenilirli\u011fini art\u0131rmak. Pop\u00fcler, bu, vin\u00e7 dosyadan \u00e7\u0131karsa, kanca kazalar\u0131n\u0131 kayd\u0131r\u0131rsa, hatta mar\u015f motorunda, tahrik milinde, fren i\u015finde, di\u015fli kutusunun kasas\u0131 hasar g\u00f6r\u00fcrse, emniyet fren kampanas\u0131 par\u00e7alar\u0131 etkili bir \u015fekilde freni kapatabilir. , tak\u0131lmay\u0131 b\u0131rak.<\/li>\r\n\t
  3. Baz\u0131 \u00f6zel gezer k\u00f6pr\u00fcl\u00fc vin\u00e7lerde di\u015fli kutusu taraf\u0131ndan gerekli olan y\u00fcksek ve al\u00e7ak profil aras\u0131nda ge\u00e7i\u015f yapmak i\u00e7in, basit\u00e7e freni kapatarak emniyet frenini, makaran\u0131n emniyet frenine s\u0131k\u0131ca tutunmas\u0131n\u0131 sa\u011flay\u0131n, \u00f6nlemek i\u00e7in uygun emniyet frenini yap\u0131n.<\/li>\r\n<\/ol>\r\n

    3.3 Kontrol Sistemi Gereksinimleri<\/strong><\/span><\/p>\r\n

    \u0130stek, g\u00fcvenlik freninin de s\u0131k hareket etmesi kald\u0131rma i\u015flemi gereksinimlerini etkileyece\u011finden, kontrol sistemi a\u015fa\u011f\u0131daki \u00e7al\u0131\u015fma ko\u015fullar\u0131n\u0131n gereksinimlerini kar\u015f\u0131layacak \u015fekilde tasarlanmal\u0131d\u0131r:<\/span><\/p>\r\n

      \r\n\t
    1. Normal operasyon. Her vincin \u00e7al\u0131\u015ft\u0131r\u0131lmas\u0131ndan \u00f6nce, vin\u00e7 s\u00fcr\u00fcc\u00fcs\u00fc ba\u015flat d\u00fc\u011fmesine basar, vincin \u00e7al\u0131\u015fmas\u0131na izin vermek i\u00e7in konsola kap\u0131 sinyali verildikten sonra otomatik emniyet freni kap\u0131s\u0131. Vin\u00e7 \u00e7al\u0131\u015fmas\u0131 s\u0131ras\u0131nda, \u00e7al\u0131\u015fma freni taraf\u0131ndan kald\u0131rma freni i\u015fi tamamlan\u0131r, g\u00fcvenlik freni ve normalde a\u00e7\u0131kt\u0131r. Kald\u0131rma i\u015fleminin sona ermesi, fren \u015falterinin fren \u00fczerinde \u00e7al\u0131\u015ft\u0131r\u0131lmas\u0131, vin\u00e7 s\u00fcr\u00fcc\u00fcs\u00fcn\u00fcn ayn\u0131 \u015feyi kontrol ettikten sonra, \u00e7al\u0131\u015fma a\u015famas\u0131n\u0131 terk etmesi, vincin g\u00fc\u00e7 kayna\u011f\u0131n\u0131 kesmesi, emniyet kilidi freninin kapanmas\u0131, i\u015fin sonu;<\/span><\/li>\r\n\t
    2. Ar\u0131za meydana geldi\u011finde vin\u00e7lerin \u00e7al\u0131\u015fma durumu. Bir ar\u0131za meydana geldi\u011finde, vin\u00e7 s\u00fcr\u00fcc\u00fcs\u00fcn\u00fcn acil durum freni d\u00fc\u011fmesine bas\u0131n, freni hemen kapat\u0131n, kazalar\u0131 \u00f6nlemek i\u00e7in g\u00fcvenlik freni kapatma gecikmesi 2 ~ 5 sn;<\/li>\r\n\t
    3. Vin\u00e7 \u00e7al\u0131\u015fma ko\u015fulu, hasar kazalar\u0131nda meydana gelir. Kaza meydana geldi\u011finde, vin\u00e7 s\u00fcr\u00fcc\u00fcs\u00fcn\u00fcn acil fren d\u00fc\u011fmesine g\u00f6re, vin\u00e7 kontrol g\u00fc\u00e7 kayna\u011f\u0131n\u0131n ba\u011flant\u0131s\u0131 kesilir, \u00e7al\u0131\u015fma freni ve g\u00fcvenlik freni, kazalar\u0131 \u00f6nlemek i\u00e7in frendeki g\u00fc\u00e7 anahtar\u0131n\u0131 hemen kaybeder;<\/li>\r\n\t
    4. \u0130stisnai durumlarda (vincin aniden g\u00fc\u00e7 kaybetmesi gibi), \u00e7al\u0131\u015fma freni ve g\u00fcvenlik freni de acil fren kapama yapmal\u0131d\u0131r. Veya g\u00fcvenlik freni normalde a\u00e7\u0131k g\u00fcvenlik frenlerine ayarlanm\u0131\u015ft\u0131r, g\u00fcvenlik frenleri genellikle tamamen a\u00e7\u0131k durumda kal\u0131r, \u00e7al\u0131\u015fma freni taraf\u0131ndan vin\u00e7 kald\u0131rma freni i\u015fi tamamlan\u0131r, g\u00fcvenlik freni koruyucu bir yedek olarak. Vin\u00e7 kazas\u0131 veya ar\u0131zas\u0131 ve \u00e7al\u0131\u015fma freninin bir revizyona ihtiya\u00e7 duydu\u011fu zaman, fren anahtar\u0131n\u0131 gev\u015fetin, vites b\u00fcy\u00fctme ve vites k\u00fc\u00e7\u00fcltme, g\u00fcvenlik freni devreye al\u0131nd\u0131.<\/li>\r\n<\/ol>\r\n

      <\/span><\/p>\r\n

      Elektrikli k\u0131s\u0131m ayarlanarak ve ayr\u0131 bir ayar yap\u0131larak ba\u015fka ko\u015fullar da talep edilebilir.<\/span><\/p>\r\n<\/div>","protected":false},"excerpt":{"rendered":"1. Vin\u00e7 Freni Kontrolden \u00c7\u0131kt\u0131 ve Yaralanmalara Neden Oldu 9 Mart 2003. Dahua Hidroelektrik Santrali'nin in\u015faat\u0131nda Zuojiang santralinin bak\u0131m i\u015fleri i\u00e7in s\u00f6zle\u015fme imzaland\u0131, \u00e7al\u0131\u015fma plan\u0131 yeniden canland\u0131rma kurulumuna d\u00f6n\u00fc\u015ft\u00fcr\u00fcld\u00fc. Toplant\u0131dan \u00f6nce dersler d\u00fczenlendi, \u00e7al\u0131\u015fma d\u00fczenlemeleri ve g\u00fcvenlik teknik testleri \u00f6ncesinde operasyonlar ger\u00e7ekle\u015ftirildi, ilgili personel \u00e7al\u0131\u015fmaya ba\u015flamaya haz\u0131r. Kald\u0131rma i\u015fleminde iyi bir ko\u015fucu konisi, [\u2026]","protected":false},"featured_media":3640,"parent":0,"menu_order":0,"template":"","posts_category":[197],"posts_tag":[],"acf":[],"_links":{"self":[{"href":"https:\/\/www.hndfcrane.com\/tr\/wp-json\/wp\/v2\/xmxposts\/6875"}],"collection":[{"href":"https:\/\/www.hndfcrane.com\/tr\/wp-json\/wp\/v2\/xmxposts"}],"about":[{"href":"https:\/\/www.hndfcrane.com\/tr\/wp-json\/wp\/v2\/types\/posts"}],"version-history":[{"count":1,"href":"https:\/\/www.hndfcrane.com\/tr\/wp-json\/wp\/v2\/xmxposts\/6875\/revisions"}],"predecessor-version":[{"id":7171,"href":"https:\/\/www.hndfcrane.com\/tr\/wp-json\/wp\/v2\/xmxposts\/6875\/revisions\/7171"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hndfcrane.com\/tr\/wp-json\/wp\/v2\/media\/3640"}],"wp:attachment":[{"href":"https:\/\/www.hndfcrane.com\/tr\/wp-json\/wp\/v2\/media?parent=6875"}],"wp:term":[{"taxonomy":"posts_category","embeddable":true,"href":"https:\/\/www.hndfcrane.com\/tr\/wp-json\/wp\/v2\/posts_category?post=6875"},{"taxonomy":"posts_tag","embeddable":true,"href":"https:\/\/www.hndfcrane.com\/tr\/wp-json\/wp\/v2\/posts_tag?post=6875"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}