Rabewa da Matakan Aiki na Gantry Cranes

Rabewa da Matakan Aiki na Gantry Cranes


Lokacin aikawa: Maris-07-2024

Gantry crane wani katako ne mai nau'in gada wanda gadar ke goyan bayan hanya ta kasa ta hanyar masu fita daga bangarorin biyu. A tsari, ya ƙunshi mast, na'urar sarrafa kayan aiki, trolley na ɗagawa da sassan lantarki. Wasu cranes na gantry kawai suna da masu fita waje ɗaya, kuma ɗayan kuma ana tallafawa akan ginin masana'anta ko trestle, wanda ake kiraSemi-gantry crane. Krane na gantry ya ƙunshi firam ɗin gada na sama (ciki har da babban katako da katako na ƙarshe), masu fita waje, ƙananan katako da sauran sassa. Domin fadada kewayon aiki na crane, babban katako zai iya wuce bayan masu fita zuwa daya ko bangarorin biyu don samar da cantilever. Hakanan za'a iya amfani da trolley mai ɗagawa tare da albarku don faɗaɗa kewayon aikin crane ta hanyar jujjuyawar bututun.

sigle-girder-gantry-na siyarwa

1. Tsarin tsari

Gantry cranesza a iya rarraba bisa ga tsarin ƙofar ƙofar, nau'i na babban katako, tsarin babban katako, da kuma hanyar amfani.

a. Tsarin tsarin ƙofa

1. Cikakken gantry crane: babban katako ba shi da abin rufe fuska, kuma trolley yana motsawa cikin babban yanki;

2. Semi-gantry crane: Masu fita suna da bambance-bambance masu tsayi, wanda za'a iya ƙaddara bisa ga buƙatun aikin injiniya na rukunin yanar gizon.

b. Cantilever gantry crane

1. Biyu cantilever gantry crane: Mafi na kowa tsarin tsari, danniya na tsarin da ingantaccen amfani da wurin yankin ne m.

2. Single cantilever gantry crane: Ana yawan zaɓin wannan tsari na tsari saboda ƙuntatawar wurin.

c. Babban sigar katako

1. Single babban katako

Ƙwararren gantry gantry crane guda ɗaya yana da tsari mai sauƙi, yana da sauƙin sarrafawa da shigarwa, kuma yana da ƙananan taro. Babban girder galibi tsarin firam ɗin akwatin juyewa ne. Idan aka kwatanta da crane babban girder gantry guda biyu, taurin gaba ɗaya ya yi rauni. Saboda haka, wannan tsari za a iya amfani da lokacin da dagawa iya aiki Q≤50t da span S≤35m. Ƙafafun ƙwarƙwarar gantry guda ɗaya ana samun su a nau'in L da nau'in C. Nau'in L yana da sauƙin ƙira da shigarwa, yana da juriya mai kyau, kuma yana da ƙaramin taro. Duk da haka, sararin samaniya don ɗaga kaya don wucewa ta ƙafafu yana da ƙananan ƙananan. Ƙafafun masu siffar C ana yin su ne a cikin siffa mai karkata ko mai lanƙwasa don ƙirƙirar sararin samaniya mafi girma ta yadda kaya za su iya wucewa ta ƙafafu a hankali.

gantry-crane

2. Biyu babban katako

Manyan gantry gantry cranes guda biyu suna da ƙarfin ɗaukar nauyi mai ƙarfi, tsayi mai tsayi, kyakkyawan kwanciyar hankali gabaɗaya, da iri da yawa. Duk da haka, idan aka kwatanta da guda babban girder gantry cranes tare da wannan dagawa iya aiki, nasu taro ya fi girma da kuma kudin ne mafi girma. Bisa ga daban-daban na babban katako Tsarin, ana iya raba shi zuwa nau'i biyu: katako na katako da truss. Gabaɗaya, ana amfani da sifofi masu kama da akwatin.

d. Babban tsarin katako

1.Truss bim

Siffar tsarin welded ta kwana karfe ko I-beam yana da abũbuwan amfãni daga low cost, nauyi nauyi da kuma kyau iska juriya. Duk da haka, saboda yawan adadin wuraren walda da kuma lahani na truss kanta, katakon katako yana da nakasu kamar manyan karkatarwa, rashin ƙarfi, ƙarancin aminci, da buƙatar gano wuraren walda akai-akai. Ya dace da shafukan da ke da ƙananan buƙatun aminci da ƙaramin ƙarfin ɗagawa.

2.Box katako

Ƙarfe faranti suna welded a cikin wani akwati tsarin, wanda yana da halaye na high aminci da high stiffness. Gabaɗaya ana amfani dashi don manyan-tonnage da ultra-manton-tonnage gantry cranes. Kamar yadda aka nuna a hoton da ke hannun dama, MGhz1200 yana da karfin dagawa na ton 1,200. Ita ce crane mafi girma a kasar Sin. Babban katako yana ɗaukar tsarin girkin akwatin. Har ila yau, katakon akwatin suna da lahani na tsada mai tsada, nauyi mai nauyi, da ƙarancin juriya na iska.

3.Burin zuma

Gabaɗaya ana kiranta "isosceles triangle saƙar zuma", ƙarshen fuskar babban katako mai siffar triangular ne, akwai ramukan saƙar zuma a kan gidajen yanar gizon da ba a taɓa gani ba a ɓangarorin biyu, kuma akwai ƙididdiga a sama da ƙananan sassa. Ƙunƙarar saƙar zuma tana ɗaukar halaye na katako na katako da katako na akwatin. Idan aka kwatanta da katakon katako, suna da taurin kai, ƙarami da jujjuyawa, da aminci mafi girma. Duk da haka, saboda yin amfani da walda na farantin karfe, nauyin kai da farashi ya dan kadan fiye da na katako na truss. Ya dace da shafuka ko wuraren katako tare da amfani akai-akai ko ƙarfin ɗagawa mai nauyi. Tun da wannan nau'in katako samfurin haƙƙin mallaka ne, akwai ƙarancin masana'anta.

2. Siffan amfani

1. Kwancen gantry na yau da kullun

2.Hydropower tashar gantry crane

Ana amfani da shi musamman don ɗagawa, buɗewa da rufe ƙofofin, kuma ana iya amfani dashi don ayyukan shigarwa. Ƙarfin ɗagawa ya kai ton 80 zuwa 500, tazara kaɗan ne, 8 zuwa mita 16, kuma saurin ɗagawa yana da ƙasa, 1 zuwa 5 mita / min. Ko da yake ba a yawan ɗaga irin wannan crane, aikin yana da nauyi sosai da zarar an yi amfani da shi, don haka dole ne a ƙara matakin aikin yadda ya kamata.

3. Ginin jirgin ruwa gantry crane

An yi amfani da shi don haɗa ƙwanƙwasa a kan mashigin, trolleys masu ɗagawa guda biyu koyaushe suna samuwa: ɗaya yana da manyan ƙugiya guda biyu, yana gudana a kan hanya a saman gefen gada; ɗayan yana da babban ƙugiya da ƙugiya mai taimako, akan ƙananan flange na gada. Gudu a kan dogo don jujjuya da ɗaga manyan sassan runtsi. The dagawa iya aiki ne kullum 100 zuwa 1500 ton; nisa ya kai mita 185; gudun dagawa shine 2 zuwa 15 mita / min, kuma akwai saurin motsi na micro na 0.1 zuwa 0.5 mita / min.

Kudin gantry crane guda daya

4.Kwantena gantry crane

3. Matsayin Aiki

Gantry crane shima matakin aiki A na crane na gantry: yana nuna halayen aiki na crane dangane da matsayin kaya da kuma amfani da aiki.

An ƙaddara rabon matakan aiki ta hanyar amfani da crane matakin U da matsayi na kaya Q. An raba su zuwa matakai takwas daga A1 zuwa A8.

Matsayin aiki na crane, wato, matakin aiki na tsarin ƙarfe, an ƙaddara bisa ga tsarin ɗagawa kuma an raba shi zuwa matakan A1-A8. Idan aka kwatanta da nau'ikan cranes na aiki da aka ƙayyade a cikin Sin, yana da kusan daidai da: A1-A4-haske; A5-A6- Matsakaici; A7-mai nauyi, A8-karin nauyi.


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