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Fusayar ƙofaɗin kwance Tsari: Masu Iyaka na Tsari da Ayyukan Aiki a Wajen Madina
Ko'ina Fusayar ƙofaɗin kwance a Wajen Madina
Masu amfani da kayan aiki na kayan aiki yana canzawa abubuwan da ke ciki ga yankin dumiɗin zamani, musamman ce kamar wata uku na biyu na wasu masu yin ayyuka waɗanda yau yaɗaƙen so su samun abubuwan sassa su fito cikin wadansu yanayin da aka yi hanyar Construction Tech Report daga kwanan wata. Wanne ne daya gaba daya akan wasu kayan A-frame na zaman kansu? To, bai shi wani jib mai tsawon kan farko ba, don haka babu abu mai kwatance hanyar sama. Wannan yana nufin masu dumiɗin iya saita wasu crane iri di-dii masu dawowa sosai lokacin da suke yi aiki kan wasu complexes da suka shigar da tawo iri deede. Duk iyaka ita ce take less room a sama da a ƙasa, wato wani abu mai mahimmanci a yankin madina da ke tafiya kuma kowane meter square yana da mahimmanci wani abu.
Rashin Jib Supports Yana Bada Damuwa Da Sauyan Kewaye
An kara washe crane sun kashewa aikin rigging saboda sun yi batun da catheads da pendant lines, wanda zai iya raguwar adadin kayayyakin da ake bukata ta hanyar takamaiman 40%. Yanzu an kara waɗansu kayan aikawa take 30% kyautu karshen crane masu yau, wanda yana nufi ayyukan aikin aikin a cikin installation kuma yana tattare da kuduren a kan ayyukan aikin. Tare da kayan daban-daban da ba za a bukata su ba, babu sha'awar fitowa duka zuwa wurin kama da ajiye abubuwan mai amfani. Wannan yana sa flat tops su zama zabin mace don ayyukan gina gida a birni inda zaman kansu sun tsokato kuma babu damar kuskure.
Raguwar Gaskiya na Waya da Karkashin Lifting a Yankuna Mai Densiti
Karanen flat top ba su da kayan dawo gaban gini mai tsararen angarewa wanda ya haifi karin kara sama da abu 25% dibu da karanen luffing jib. Wannan yana sa su tace masu hankali ko kusan angojin gini sun tafi cikin wuraren aikin. Sai dai kuma su kasance sauƙi ne bisa kara, wasu nunaɓa suna da quwat mai yawa daga 28 zuwa 50 tons. Abin da ke kama ne, suna iya ci gaba da aiki ba tare da matsala ba koda angojin gini suka zama 45 miles per hour. Wannan yana nufi ayyukan taimaka a waje ko a wani jerin sama inda canjin yanayi na sudden ke kawo ayyuka zuwa karo.
Nunin Mast da Base: Tabbatar da Kayan Tacewa da Fidawa a Kowane Doka
Abubuwan Daidaita: Base, Matakan Mast, da Mekanics na Fidawa a Foundation
A tsinshe daya daga crane akwai nisa da tsaki, wanda ke aiki kamar abin dawo gama-gari wanda yake kwatance duk wadannan wuraren daga jib da counterweights zuwa sama. An samu nisa mai fulawa a cikin kayan sikaɗi, wanda an haɗuta su tare da bolts, wanda ya ba da damar mutane da aka amfani da shi su iya hada girman su kadan-kadan lokacin da ake bukata. Tsaki ta hango ta yi mafita, tayar da tevutevu kan foundation na sikaɗi tare da kayan metal mai ambali. Kayan anchor bolts na musamman sun kama dukkan abu sun tsayi tsanki kan wurin sauya. Abin da ya sa wannan duka ma'aunin aiki shine yadda ya yi balance bayan flexibility da rigidity. Yadda load sun taru daidai bisa gama-garin yana nufi crane su iya kwatance dukkanin thousands of lifts ba tare da lost stability over time, wani abin da manufacturers ke kirkiransa shine daga farawa.
Ingancin Gama-Garin Nisa Ta Karkashin Loads Na Yanki Da Compressive
Bayani Na Gini: Ingancin Nisa—Kwatance Zuwa zuwa 80 Tons Na Karkashin Compressive
Fusayar ƙofaɗin kwance yau, wani mata baya za a iya kare daidaiton tsarin da ke tafi da 80 zuwa 100 ton takaita ta hanyar amfanin alkaƙai mai zurfi kamar S690QL. Tambayoyin fara a kan gargajiya masoyi sun saba da cewa waɗannan mataki baya suna daina adadin 2 mm ko karanci yayin da suka shigo da 75 ton, wanda ya dace da duk sharuɗɗan da aka hada ta ISO 4309 don tsaro. Tafarken kwana da aka haɗa cikin waɗannan nuni yana nufi cewa masu amfani zasu iya aiki masu tsaro koda babban ruwa ya samu takamaiman 45 miles per hour, wanda ke bayyace a yankunan kasa na kusawa inda crane na amincewa a yanzu.
Samin Kogin Kwana da Hanyar Kogin Kwana: Nau'in Injinirin don Aiki na 360-Degree
Nau'in Hanyar Kogin Kwana don Kogin Kwana Mai Saukake da Sauƙaƙe
Tsarin girma da ake tsara su ne a kuma wayar da aka dawo su ta hanyar wayar roller suna ba da iyaka na 0.01 degree, wanda ya kare runout na radial lokacin da ke yin mota. Wannan kontin girmama ne ce ta kirkirar ikojin da za a ikoji su saboda kyau, kamar misalin sakaun wall panels ko kirkirar abubuwan steel. Sai kuma, waɗannan tsari suna yi amfani da kwallo daya yayin da suka shiga cikin load, wanda ke nuna muhimmanci a cikin tallafin gida mai yawa inda ba za a iya kashe waqtin kashewa ba.
Aiki na Turntable a Cikin Bambancewar Torque da Iyaka na Girma
A tsinshe daya na tsarin, akwai turntable, wanda ke sauya almostu 4,500 kN·m na torque daga slewing motor ta hanyar ring gear na alloy steel mai zurfi. Yanzu ya hada da kayan aikin L-shaped masu ilo wanda ke fayyace shi ne a makaman takamaiman 360 a gaske. Wannan abincin nuna yana bada wurin kama – ko'ina uku bisa waɗanda aka samu a cikin zaman kansu na flange saboda wasu binciken da aka buga a Journal of Manufacturing Processes. Masu amfani suna ganin waɗannan canje-canje sun yi farko a biyan biyan girma na girma da kyau kuma yawan shekara na kayan aikin.
Haɗawa da Tsarin Elektriku don Kontin da Kewayon Kuɗi
Manufofin injin na kiyasta suna iya kaiwa nejin 55 kW tare da alamomin yawa, sannan suna ba da damar canzawa a tsere lokaci akan wani abu mai tsere da wani abu mai girmama. Wannan haɗawaye ta kawo sauya a tsere har maƙalolin karanci (<0.5 RPM) kuma ta kawo tsarin kuɗin 240V a ƙasashen lokaci fiye da 200.
Tsarin Gear-Driven vs. Direct-Drive Slewing: Canje-canje na Aiki da Kungiyoyin Tsaro
Ƙaramin saiti suna da wani tsarin girge ne saboda suna tsaurare takamfe 25 shekara kafin a daina canza su kuma a yauwa suna buƙatar less maintenance work. A cewa 8 zuwa 10 samfuran suna daukar hanyar wannan saboda waɗannan dalilai. Amma kuma, zaɓuɓɓan na direct drive sun yi nisoki. Sun fito daga batun backlash ta amfani da teknolojin mota na permanent magnet, kuma maganganun test suna nuna cewa rashin kuɗi (emergency stops) ya ƙare take 19% uwa uwa karshen hanyoyin na iye. Me ne shi mai alaƙa? Wadannan direct drives na ƙima take 60% uwar ƙima kuma suna buƙatar wasan masu ayyukan addinin gine-gine. Don haka muna ga su ne kawai a abubuwan da ake buƙata inganci na inganci bisa millimeter.
Tambayoyi Masu Yawan Faruwa
Wanne ne zai bayyana masu amfani da kayan aiki na kayan aiki ?
Masu amfani da kayan aiki na kayan aiki sune bayyane d themselves daga tsarar na iye ta ɗauke da A-frame top, sannan suna ba da damar yin amfani da su a waje na asali da kuma a matsayin da ke tafi tafi a wuraren da ke narasu.
Wanne ne matuƙaitowa na cire jib supports?
Ta cire jib supports, masu amfani da kayan aiki na kayan aiki sanya aikin rigging, kara zaman lafiya da sauya, sanya adadin kayayyaki, kuma akwai sauƙin biyan karajawa.
Wuya waye flat top cranes ke tafiya dandalin fara?
Ƙaramin gwamnati na sama yana nuna wadannan crane suna iya aiki ba tare da wahala ne a cikin dandalin da ke yanke da 45 miles per hour saboda ya sanya karfin fara ya rage zama 25%.
Wuya mast da base system ke yiwuwa wa crane ya sami tsaro?
Mast da base system suna bamu tsaro ta hanyar bada karfin carga sama-sama, saka kwana da zurfi a karkashin thousands of lifts, kuma nuna wa crane ya kasance stabili.
Wuya slewing mechanisms ke mahimmanci a cikin aiki na crane?
Slewing mechanisms suna baɗawa inganci don rarraba mai zurfi, sanya wear, kuma saka wurin da zaune a fagen gida mai zurfi, yayin da ke hada da control systems don bawa karfin da ke yawa.