Aerial cranes yog nrov rau hnyav nqa thiab pheej yig gantry cranes yog nrov heev. Lawv suav hais tias yog lwm txoj hauv kev tseem ceeb rau cov nyiaj siv ua haujlwm cranes. Cov hom cranes no zoo ib yam li cov nyiaj siv ua haujlwm cranes tshwj tsis yog tias lawv ua haujlwm hauv av lossis hauv pem teb es tsis txhob ntawm qhov siab. Tus choj gantry tau txais kev txhawb nqa los ntawm ib khub ntawm cov ceg tawv tawv uas tau tsa rau hauv av rails los ntawm ib khub ntawm cov tsheb thauj khoom. Xws li cranes tuaj yeem ncav cuag 150 ko taw thiab 10 tons hauv tsev thiab sab nraum zoov.
Gantry cranes yog tsim los taug kev hauv av, yog li tsis tas yuav tsim txoj kev khiav, yog li txuag ntawm cov pob zeb ua vaj tse. Gantry crane installation txoj kev yog heev yooj yim thiab ceev. Nyob ntawm ib puag ncig thiab daim ntawv thov, cov cranes qee zaum tuaj yeem muab cov khoom siv zoo sib xws rau kev sib piv cov nyiaj siv ua haujlwm crane, tab sis nrog kev txuag nqi tseem ceeb.
Txawm li cas los xij, tsis yog tag nrho cov faucet saum toj kawg nkaus yog pheej yig dua li cov faucets zoo sib xws. Tab sis muaj cov xwm txheej rau cov kais dej no kom haum thiab siv tau zoo dua:
1. Thaum cov tub ua lag luam tsis xav nqis peev ntau rau hauv high-speed crane runway structures.
2. Thaum cov khoom siv tuav yuav tsum muaj nyob rau hauv thiab sab nraum lub tsev.
3. Thaum muaj peev xwm hloov txoj haujlwm, tus tswv haujlwm tsis xav poob tiag.
Gantry ob txhais ceg yog yooj yim rau assemble thiab disassemble, lawv tuaj yeem kho lossis txav tau. Kev siv tau zoo yog siv nrog gantry cranes hauv ntau qhov kev lag luam. Cov pob zeb no muaj nyob rau hauv cov hlau, txhuas lossis cov ntaub ntawv sib zog nrog qhov siab thiab ntev adjustable. Ntau lwm yam cranes muaj xws li: thawv, nyiaj siv ua haujlwm, ncej, jib, nqa, semi, rail hnyav.
Hom gantry no tau muab faib ua ob pawg: phau ntawv thiab mechanical.
• Portable gantry (phau ntawv).
• Tshiab gantry (phau ntawv).
• Gantry method
Txhua hom muaj nws qhov zoo, uas tuaj yeem yooj yim piv rau qhov zoo ntawm cranes. Thaum peb tham txog phau ntawv cranes loj heev uas yog ib feem ntawm cov khoom siv tuav cov khoom siv, peb txhais tau hais tias lawv yog ib qho hnyav, pheej yig thiab yooj yim rau kev sib sau thiab disassemble. Nws tau hais tias yuav ua tau zoo dua thiab muaj kev nyab xeeb dua. Thiab nrog motorized cranes, peb tuaj yeem tshem tawm qhov xav tau ntawm txoj kev khiav thiab ua kom yooj yim rau kev thauj mus los.
Yog li ntawd, peb tuaj yeem hais tias kev nqis peev hauv lub tshuab ntxhua khaub ncaws tsis yog qhov phem heev thiab yog li yog tias tus tswv tsis xav tau ntau ntawm cov khoom siv tuav, ces cov no yog qhov zoo tshaj plaws yuav rau nws. Cov choj cranes muaj tag nrho cov peev txheej thiab kev ua haujlwm tau zoo los ntawm cov choj choj cranes. Tab sis ua ntej yuav ib lub canopy, nws yuav tsum tau soj ntsuam nws cov kev xav tau thiab siv nws, vim hais tias yog nws nqis peev rau hauv lub tshuab ntxhua khaub ncaws kom pom cov nyiaj thiab tom qab ntawd paub tias nws xav tau lub crane loj dua li lub crane, ces tag nrho nws cov hauj lwm yuav poob.
