Double-garder hejuru ya Top Cranes irashobora gutangwa mwishuri A, B, C, D, na E ya CMA, hamwe nubushobozi bwa toni 500 cyangwa kurenza metero 200. Iyo yateguwe neza, Crane ebyiri Bridge Ikiraro gishobora kuba igisubizo cyiza kubucuruzi gikeneye crane nyinshi-zidasanzwe, cyangwa ibikoresho bifite imitwe mike na / cyangwa umwanya. Igishushanyo cyabishushanyo kibiri cya beam kirashobora guhitamo neza crane yo kumara akazi gakomeye mugikorwa cyo gukora, ububiko, cyangwa guterana. Crane isaba ubushobozi bwo murwego rwohejuru, yagutse gushushanya, cyangwa uburebure bwo hejuru bwungukirwa nigishushanyo cya kabiri cyumukobwa, ariko birashobora gutwara byinshi.
Crane ebyiri Bridge Bridge isanzwe isaba kwerukira hejuru yuburebure bwa crane-urwego, nkuko amakamyo azamuka hejuru yumukandara uri kuri gari ya crane. Umukandara wikiraro ugenda hejuru yinzira ya crane zishyizwe hejuru yumuhanda wa crane. Amakamyo arangiza - Gushyigikira ikiraro kirabyemerera gutwara gari ya karune, bituma crane igenda hejuru no kumuhanda wa Crane. Ikiraro girder - umukandara utambitse kuri crane ushyigikira inkoni trolley no kuzamura.
Imiterere y'ibanze y'ikiraro cya Bright Cram Ikirango ni, amakamyo yiruka ku nzira yongerera uburebure bwa sisitemu yo gukurikirana, kandi ikiraro cyo gutwara ibiraro gihamye ku gikamyo gihagarika kuzamura no kuzenguruka ikiraro. Ibiraro bibiri by'urukenyezi bigizwe n'ibiti bibiri by'ikiraro, mubisanzwe bitangwa no hejuru y'amashanyarazi, ariko nanone hashobora gutangwa hejuru yumurongo ukoreshwa mumashanyarazi bitewe na porogaramu. Imitwe irindwi hejuru ya cranes na hoits irashobora gutanga crane yoroheje ya garder kugirango ikoreshwe muri rusange, kandi itanga ko umukiriya wubatswe ikiraro cya garibe ebyiri mungambi. Kuberako ibisimba bishobora kwicara hagati cyangwa hejuru yibitaramo bya kashe, inyongera yimyaka 18-36 yuburebure irahari mugihe ukoresheje Crane ya Bridge kabiri ya Beam.