Sei ichinzi portal crane?

Sei ichinzi Portal Crane?
A kireni repasuo, inozivikanwawo se gantry crane, imhando ye crane ine chimiro chayo chakasiyana, chine bhiriji rinotsigirwa nemakumbo maviri kana kupfuura. Dhizaini iyi inobvumira crane kufamba nenzira dzakasiyana-siyana, zvichiita kuti ikwanise kushandiswa zvakanyanya pamabasa akasiyana-siyana ekusimudza nekutakura, kunyanya mumaindasitiri nekuvaka. Asi nei ichinzi "portal crane"?

Izwi rekuti "portal" rinoreva kufanana kwekirini negedhi kana kuti gedhi. Chivako ichi chinoumba furemu yakaita segedhi inotenderera nzvimbo yakatarwa, ichiibvumira kusimudza nekufambisa mitoro inorema munzvimbo yakakura. Dhizaini iyi inobatsira zvikuru munzvimbo dzakadai senzvimbo dzezvikepe, matura, nenzvimbo dzekuvaka, uko zvinhu zvikuru zvinoda kutakurwa zvakanaka.

Dhizaini yekireni reportal haingoshandi chete asiwo inomiririra. Chimiro che "portal" chinoratidza kugona kwekireni kugadzira mukana kana nzvimbo yekupinda michina inorema nezvinhu, zvichiita kuti zvinhu zvifambe zvakanaka kubva panzvimbo imwe kuenda kune imwe. Izvi zvinonyanya kukosha munzvimbo dzine nzvimbo shoma, uye kugona kufamba zvakanaka kwakakosha.

Uyezve, izwi rekuti "portal" rinoratidza kugona kwecrane kushanda mundege ine mativi maviri, ichifamba yakatwasuka munzira uku ichisimudzawo yakatwasuka. Kushanda uku kunoita kuti macrane eportal ave akakosha mumaindasitiri akasiyana-siyana, anosanganisira kutumira zvinhu, kugadzira, uye kuvaka.