Table of Contents
Fahimtar Tsarin Pulley don Cire Wire
Pulleys inji ne mai sauƙi wanda ke sauya iko da rage ƙoƙarin da ake buƙata don motsa kaya masu nauyi. A cikin ayyukan jan waya ko don shigar da igiyar lantarki, layin sadarwa, ko wayoyin masana'antu sashen pulley na dama yana tasiri kai tsaye kan inganci, amincin ma'aikata, da lokacin kammala aiki. Karancin pulley da aka zaɓa na iya haifar da lalacewar igiyar, gajiyawar ma'aikata, ko ma haɗari. Fahimtar nau'ikan asali da yadda suke amfani da su ga jan waya shine mataki na farko wajen yanke shawara mai kyau.
Abubuwan da aka tsara na farko a cikin igiyar waya sune 'yan kwalliya masu gyarawa, 'yan kwalliya masu motsi, da kuma tsarin haɗin gwiwa, 'yan kwalliya da kuma kullun. Kowace tana canza fa'idar inji da kuma shugabancin janyewa daban.
- An sanya kwantena masu tsayayye a wani wurin da aka kafa. Suna canza shugabancin karfin janyewa. a janyewar tsaye ta zama janyewa, alal misali. kwantena masu tsayayye ba su da fa'ida ta inji (ƙarfin da ake buƙata ya yi daidai da nauyin kaya), amma suna da ƙima idan wurin janyewa yana da wuya ko lokacin da kewaya da kewayen kusurwa. Suna da kyau ga ƙananan zuwa matsakaici kaya a kan gajeren zuwa matsakaici nesa.
- A cikin jirgin ruwa, akwai nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan
- FLT:0} Tsarin toshewa da magancewa yana haɗuwa da ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗakunan ɗ
A aikace-aikacen, yawancin aikace-aikacen jan waya na ƙwararru suna amfani da haɗin nau'ikan pulley na FLT: 1. Misali, pulley na dindindin a wurin ciyarwa don canza shugabanci, pulley mai motsi akan kwandon waya don rage tashin hankali, da toshewa da kuma magancewa a ƙarshen jan hankali don ninka ƙoƙari. Maɓallin shine daidaita tsarin pulley zuwa takamaiman kaya, nesa, da yanayi.
Abubuwan da Ke da Muhimmanci a Zaɓin Tsarin Gidan Gida
Zaɓin tsarin pulley mai kyau ya wuce ƙarfin ɗagawa kawai. Kowane wurin aiki yana da ƙuntatawa na musamman. Dole ne a kimanta abubuwan da ke gaba tare kafin yin aiki don saita pulley.
Nauyin Kaya da Ƙarfin Kabulu
Lissafi na jimlar nauyin waya ko na kebul da ake jan, gami da kowane lubricants da kayan haɗi. Kada ku dogara da zatoYi amfani da jadawalin nauyin kebul daga masana'anta. Tsarin pulleys FLT:0 Working load limit (WLL) dole ne ya wuce iyakar ƙarfin ƙarfin da ake tsammani ta hanyar haɗakar aminci ta akalla 5:1 don manyan ɗagawa ta hanyar OSHA misali 1910.184 . Don jan waya, kuma la'akari da ƙarfin ƙarfin yayin farawa da tsayawa, wanda zai iya ƙaruwa da ƙarfin ƙarfin 2030%.
Nisa da Tsawon Kabel
Fiye da janyewa yana ƙara jujjuyawar da tashin hankali a hankali. A nesa fiye da ƙafa 200, nauyin da ke cikin igiya da kuma jujjuyawar da ke kan ganuwar bututun ya zama iko mai ƙarfi. Don irin waɗannan tafiye-tafiye, ana iya buƙatar maki da yawa na janyewa ko jerin filayen tsakiya don sarrafa tashin hankali. Yi la'akari da amfani da riƙewa na janyewa ko kwandon FLT:3 wanda ke haɗe da kebul, ba kawai ƙafafun filaye ba. Don dogon janyewar kwance (misali, 500 + ƙafa), sau da yawa ana buƙatar madaidaitaccen madaidaita tare da toshewa da tsarin ɗaukar nauyi.
Ƙarfin da Ma'aikatan Ma'aikata suke da shi
Yi la'akari da yadda ƙarfin janyewar yake da amfani ga ƙungiyar ku. Fa'idar inji da kuke buƙata ta ƙayyade ta hanyar raba jimlar ƙarfin da ake buƙata ta ƙarfin janyewar da ke akwai. Misali, idan kebul ɗin yana buƙatar 1,200 lbs na janyewa kuma ƙungiyar ku na iya amfani da lbs 400 cikin aminci, kuna buƙatar fa'ida 3: 1. Block da tackle tare da layin motsi uku suna ba da wannan fa'idar. Duk da haka, ƙarin pulleys suna nufin ƙarin asarar jujjuyawar (kimanin 510% a kowace sheave), don haka ainihin ƙarfin janyewar na iya zama mafi girma. Yi amfani da pulleys masu ɗaukar rollu masu ƙwarewa don rage jujjuyawar. Idan girman ƙungiyar ku yana da ƙarami, yi la'akari da amfani da murfin murfi tare da ƙarancin fa'idar inji amma aiki mai ƙarfi.
Ƙuntatawa a sararin samaniya da kuma lissafin lissafi
Ƙananan kusurwa, ɓoye-ɓoye, ko shigarwar sama suna iyakance girman kwandon da zaku iya amfani da shi. Babban kwandon da ke da girma (ƙananan inci 812 ga igiyoyin lantarki na yau da kullun) yana rage nauyin radius na lankwasawa akan kebul, amma bazai iya dacewa da ƙaramin sarari ba. A irin waɗannan lokuta, yi amfani da toshe kwandon FLT:0 mai ƙarancin ƙira tare da ƙaramin sheafi amma mai ƙarancin ƙarfi (misali, nylon ko haɗuwa) don kare jaket ɗin kebul. Don lankwasawar kwandon, ana iya shigar da kwandon FLT:2 tare da madaurin juya kai tsaye a bakin kwandon. Koyaushe tabbatar da cewa ƙirar kwandon mai iya ɗaukar ƙaramin ƙaramin ƙaramin ƙaramin ƙaramin ƙaramin ƙaramin ƙaramin ƙaramin ƙaramin ƙaramin ƙaramin ƙaramin ƙaramin ƙaramin ƙaramin ƙaramin ƙaramin ƙaramin ƙaramin ƙaramin ƙaramin ƙaramin ƙaramin ƙaramin ƙaramin ƙaramin ƙaramin ƙaramin ƙaramin ƙaramin ƙaramin ƙaramin ƙaramin ƙaramin ƙaramin ƙaramin ƙaramin ƙaramin ƙaramin ƙaramin ƙaramin ƙar
Tsayayyar Muhalli da Zaɓin Kayan
Dole ne kayan gini na pulley ya dace da yanayin aiki.
- Pulleys na Karfe: Mai dorewa da ƙarfin ɗaukar kaya mai yawa, amma mai nauyi da haɗari ga lalata. Yi amfani da shi a cikin yanayin bushewa na ciki.
- Aluminum pulleys: Mai haske da lalata mai tsayayya da ya dace da yawancin aikin cikin gida da waje. Anodized finishes inganta rayuwar lalacewa.
- Nylon ko polymer pulleys: Rashin tsagewa, mara jagora, da haske. Ya dace da aikin lantarki inda haɗarin haɗari na yanzu yana da haɗari. Suna lalacewa da sauri a ƙarƙashin nauyi mai nauyi kuma sun fi dacewa don gajere zuwa matsakaici.
- FLT:0: Kayan kwalliyar bakin karfe: Mafi kyau ga yanayin lalata (ƙetare, masana'antun sinadarai) amma mai tsada. Suna ba da mafi girman tsawon rai a cikin yanayi mai wahala.
Don jan waya a waje, guji karfe mai sauƙi sai dai idan an rufi; yi amfani da galvanized ko bakin karfe don tsawon rai. Don kariya ta igiya, zaɓi pulleys tare da grooved sheaves lined tare da roba ko urethane don hana lalacewar jaket. A cikin yanayin da ke da matsanancin zafin jiki, bincika kayan sheaves s thermal rating nylon shrivels kasa -40 ° F, yayin da aluminum rike ƙarfi.
Yin amfani da nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan
A ƙasa akwai aikace-aikacen duniya na ainihi da kuma shawarwarin tsarin pulley, wanda aka faɗaɗa tare da cikakken jagora ga kowane yanayi.
Wurin Wutar Lantarki na Gida (Kayan nauyi, Ƙananan Nisa)
Don janye Romex ko THHN ta hanyar rami na bango kuma bututun yana gudana ƙasa da ƙafa 100, ƙarancin ƙarancin ƙafa, ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙ
Jirgin ruwa na kasuwanci (Matsakaici Loads, 100-500 Feet)
Wadannan ayyuka sau da yawa sun shafi karkatarwa da yawa da kuma igiyoyin ma'auni masu nauyi (misali, 4/0 AWG). Yi amfani da FLT:0 (FLT:1) don samun fa'ida 2: 1. Sanya wani katako a ƙofar tashar don jagorantar kebul ba tare da yin lankwasawa ba. Don karkatarwa na digiri 90, yi amfani da bracket na FLT:2 tare da sakin gefe don mannewa zuwa kebul ɗin kuma hana ɗaurewa. Mai shafawa (misali, gel ɗin janyewar kebul) yana da mahimmanci don rage tsatsa har zuwa 50%. Idan gudu ya ƙunshi ƙuƙwalwa uku ko fiye, ƙara wani matsakaiciyar maɓallin don rage tsatsa. Yi amfani da mita na FLT:4 a ƙarshen ƙarshen maɓallin don kauce wa ƙayyadaddun bayanai.
Kayan igiyoyi na masana'antu da na amfani (Ayyukan da suka fi nauyi, nesa mai nisa)
Ja manyan igiyoyin ciyarwa (500 kcmil ko mafi girma) a nesa fiye da ƙafa 500 yana buƙatar toshe FLT:0 da tsarin magance tare da motsi na capstan winch. Tsarin pulley mai haɗawa 3:1 ko 4:1 ya zama gama gari. Winc ɗin ya kamata ya sami na'urar ɗaukar kaya na FLT:2 don kauce wa wucewa iyakokin ƙarfin kebul. Dole ne a tsara katangar pulley na wucin gadi don ɗaukar dubban fam. Don ɓoye a ƙarƙashin ƙasa, yi amfani da pulley mai belin FLT:4V don rage zamewa. Koyaushe sami mai lura da aminci a kowane lankwasa. Yi la'akari da ƙa'idodin ANSI / NECA na FLT:6 don ƙa'idodin shigar da kebul don ƙirar aminci. A cikin yanayin ƙaramin tashar, dole ne a yi amfani da kayan aikin da ba na lantarki ba.
Kyakkyawan Ayyuka na Shiga da Shiga
Yin amfani da waɗannan matakai a kowane shigarwa na kwandon waya yana sa mu kasance da inganci kuma yana hana lalacewar igiyoyi.
Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙ
Haɗa polleys zuwa abubuwa masu ƙarfi na tsari (ƙungiyoyi, ginshiƙai, bango na kankare) ta amfani da shaƙoƙi da ƙuƙwalwa da aka ƙayyade na FLT:0. Kada ku taɓa ɗaure kai tsaye zuwa bututu ko bututu waɗannan na iya yin kuskure. Don ƙuƙwalwar wucin gadi, yi amfani da ƙuƙwalwar ƙuƙwalwar ƙuƙwalwar ƙuƙwalwar ƙuƙwalwar ƙuƙwalwar ƙuƙwalwar ƙuƙwalwar ƙuƙwalwar ƙuƙwalwar ƙuƙwalwar ƙuƙwalwar ƙuƙwalwar ƙuƙwalwar ƙuƙwalwar ƙuƙwalwar ƙuƙwalwar ƙuƙu. Sanya polley don caji na layi ta hanyar shefe; kowane kusurwa yana ƙara jujjuyawar da lalacewa. Don aikin sama, yi amfani da layin tsaro na FLT:4 a kan polley idan an sauya tushen farko. A cikin ramukan manholes, tabbatar da polley zuwa sandar watsawa na tripod FLT:6 don rarraba ƙarfin a fadin buɗewa
Ƙungiyoyin Ƙungiyoyi da Kariya ta Kabulu
Tabbatar da cewa sheaves yana juyawa da yardar kaina kuma yana daidaitawa da hanyar igiya. Yi amfani da flt:0 pulley swings don ba da damar sheaves don juyawa yayin da kebul ya shiga daga kusurwa daban-daban. Sanya flt:2 (wanda ake kira rollers) a kowane madauri don rarraba ƙarfin jan hankali daidai. diamita na rollar ya zama aƙalla sau 8 na diamita na kebul don biyan buƙatun radius na bend. Don kaifin bends, yi amfani da flt:4 quadrant pulley wanda ke bin radius daidai. Duba cewa caji ba ya rub against the pulley frame gefen jagororin idan ya cancanta.
Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙ
Yi amfani da lubricant na ruwa ko na igiyar igiya mai laushi don rage rikici tsakanin kebul da bututu. Lubricate kayan kwalliyar mai mai mai mai sauƙi a kowane wata yayin amfani da ci gaba. Kada ku yi amfani da lubricant fiye da kima, saboda yawan zai iya jawo ƙura kuma ya haifar da ɗaurewa. Don polyes nailan, yi amfani da lubricant na silicone don kauce wa lalata filastik. A cikin yanayin ƙura, yi amfani da lubricant fim na FLT:2 a kan sheave solvents don rage haɓakawa. Don dogon janye, sake amfani da lubricant a wuraren tsaka-tsaki don kiyaye inganci.
Binciken Tsaro Kafin Kowane Fitar
- Tabbatar da cewa iyakar nauyin aiki na pulley yana da hatimi a gefe. Idan babu, kada ku yi amfani da shi.
- Bincika sheaves ga cracks, chips, ko wuce haddi lalacewa idan lalacewa.
- Tabbatar cewa an tabbatar da matsayin kafawar kuma cewa kayan aikin rigging (ƙungiyoyi, hooks) an rated da kuma rufe yadda ya kamata.
- Tabbatar da cewa duk ma'aikatan suna sa takalma masu ƙarfi, tabarau na aminci, da safofin hannu na fata . Don jan hankali mai ƙarfi, ƙara takalma mai ƙafar ƙarfe kuma yi amfani da wink tare da tsayawar gaggawa.
- Ka kafa sadarwa ta gani ko ta rediyo tsakanin mai jan ta da kuma wurin ciyarwa.
- Don jan saman, tabbatar da layin backups na FLT: 1 idan layin farko ya gaza.
Kada ku wuce ƙarfin ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙ
Kulawa da Tsawon Rayuwa na Tsarin Pulley
Ko da mafi kyau pulley tsarin degrades da amfani. aiwatar da wani yau da kullum tabbatarwa jadawalin don tsawaita rayuwa da kuma tabbatar da m yi.
Tsabtace da Bincike
Bayan kowane aiki, goge sheaves da bearings da bushe masana'anta don cire ƙura, ragowar lubricant, da abrasive ƙwayoyin. Yi amfani da iska mai matsi don share axle bearings. Duba sheaves groove for lebur spots ko gougeswannan zai lalata da kebul jackets a nan gaba jan. maye gurbin pulleys da worn grooves ko m farfajiya. Don aluminum pulleys, duba ga lalata pitting; idan akwai, yashi da kuma amfani da wani m m kariya shafi.
Kula da Mutane
Yi amfani da bindigogi na mai mai mai ƙarfi na FLT:0 don shafawa da kayan kwalliya a kowane sa'o'i 50 na aiki. Don buɗe kayan kwalliya, cire, tsabtace, da sake tattara su da mai lithium mai inganci na teku. Bincika don wasa a gefe a cikin sheave: idan akwai fiye da 1/16 inch na rawar jiki, maye gurbin lalacewa ko pulley. Don kayan kwalliya na bakin karfe, yi amfani da mai mai molybdenum disulfide don yanayin ɗaukar nauyi mai yawa. Ka riƙe kayan kwalliya na madadin a hannu don ayyuka masu mahimmanci.
Adanawa
Adana polleys a cikin bushe, tsabta yankin. guji barin su a ƙasa inda zafi da datti zai iya shiga bearings. rataye polleys a hooks ko adana su a cikin wani padded akwatin. Ga bakin karfe da aluminum polleys, wani haske mai rufi mai man ya hana lalata a lokacin dogon lokaci ajiya. Kada ka adana polleys kusa da sunadarai kamar solvents ko acid cewa zai iya rushe kayan. Ga nylon polleys, kiyaye su daga kai tsaye hasken rana don hana UV embrittlement.
Kuskuren da Ake Yi a Yanke Kayan Wuta da Yadda Za a Guji Su
Ko da ma'aikatan da suka ƙware suna iya zaɓar tsarin da bai dace ba.
- Rashin kimantawa na ƙarfin aiki: [1] Rashin ƙarfin ƙarfin lantarki yana faruwa sau da yawa yayin farawa ko lokacin da kebul ya yi tsalle. Koyaushe ƙara iyakar aminci 25% ga ƙarfin ƙarfinku.
- Yin amfani da ƙananan sheaves: A sheaves ne ma kananan ga na USB diamita iya kink ko lalace jaket. m sheaves diamita = 20 sau da na USB diamita ga nauyi jan.
- ] Yin watsi da jujjuyawar a sauye-sauye da yawa: ] Kowane ƙarin jujjuyawar yana ƙara jujjuyawar da zata iya ninka ƙarfin jujjuyawar. Yi amfani da rollers na tsakiya da lubricant da ƙarfi.
- Kula da kwandon kwandon kwandon kwandon: A lalacewa mai lalacewa ko ƙazanta sheave yana ƙara ƙarfin janyewa da 15-20%.
- Fiye da dogaro da fa'idar inji: A 6:1 toshe da kuma tackle bukatar 6 sau fiye da igiya tafiya da kafa na kebul da aka ja, jinkirta aiki da kuma kara gajiya.
Tambayoyi da Ake Yawan Yi
Zan iya amfani da wannan kwandon don jawo nau'ikan igiyoyi daban-daban?
A yau, a'a, amma ku yi hankali da kayan jaket ɗin kebul. A cikin sheaves wanda aka riga ya jawo mai ɗaukar ƙasa mai ɗaukar ƙasa (UF) na iya samun ƙananan ƙwayoyin da zasu iya yin la'akari da wayoyin PVC. Tsaftace sheaves a hankali tsakanin janye. Don wayoyin da ke da mahimmanci (fiber optic ko coaxial), yi amfani da pulleys na musamman tare da murfin urethane mai laushi.
Ta yaya zan lissafa ainihin abin da na bukata?
Yi amfani da wannan ƙirar: Kamar amfani da inji = Jimlar tashin hankali (ƙididdiga) ÷ ƙarfin janyewar da ake samu . Misali, idan tashin hankali ya kai 3,000 lbs kuma winch zai iya samar da 1,500 lbs, kuna buƙatar fa'ida 2: 1. Ƙara fa'idar aminci ta 20% don asarar jujjuyawar. Kuna iya samun jadawalin kimanta tashin hankali daga masana'antun kebul ko amfani da Lapp Tannehills kebul janyewar ƙididdigar tashin hankali . Koyaushe tabbatar da amfani da ma'aunin tashin hankali na filin yayin janyewar.
Menene yawan sheaves a cikin block da kuma tackle ga waya jan?
A aikace, kiyaye shi zuwa 4 motsi sheaves (8: 1 amfani). More sheaves haifar da wuce haddi friction da bundle handling matsaloli. Don sosai nauyi jan, amfani da wani powered capstan winch maimakon kara sheaves. A 5-sheaves block ne zai yiwu amma da wuya ake bukata domin cable jankawai a matsananci lokuta kamar submarine kebul shigarwa.
Sau nawa zan sauya kwandon?
Sauya pulleys lokacin da zurfin tsalle mai tsalle ya ɓace da fiye da inci 1, ko lokacin da bearings suka ci gaba da wasa. Don aiki mai nauyi (jawo na wata-wata), maye gurbin sheaves kowane shekaru 2-3. Don amfani na lokaci-lokaci, bincika kowace shekara. Pulleys na nylon na iya buƙatar maye gurbin sau da yawa idan sun nuna tsagewa ko nakasawa a ƙarƙashin kaya.
Ƙarshen
Zaɓin tsarin pulley mai kyau don ayyukan jan waya shine daidaitawa tsakanin buƙatun kaya, ƙuntatawa a wurin aiki, amincin ma'aikata, da tsayin daka na kayan aiki. Ta hanyar fahimtar nau'ikan pulley na asalifixed, m, da toshewa da kuma maganceda kuma kimanta dalilai kamar nauyin kaya, nesa, ƙarfin da ke akwai, sarari, da yanayin muhalli, zaku iya haɗawa da saitin pulley wanda ke haɓaka inganci da rage haɗari. Koyaushe yi amfani da kayan aiki da aka ƙayyade don nauyin da ake tsammani, bincika da kula da pulleys akai-akai, kuma bi ƙa'idodin aminci da ƙungiyoyi kamar OSHA da ANSI suka buga. Tsarin pulley da aka zaɓa da kyau ba kawai yana adana lokaci da aiki ba, har ma yana kare wayoyi masu tsada da kuma kiyaye lafiyar ma'aikatan ku.