Kodi kireni ya port ndi chiyani?

Kodi kireni ya port ndi chiyani?

Kreni ya padoko, yomwe imadziwikanso kuti kreni yochokera ku sitima kupita kugombe, ndi makina olemera omwe amagwiritsidwa ntchito kunyamula ndi kutsitsa katundu kuchokera ku zombo ndi makontena. Zitsulo zazikulu ndi zigawo zofunika kwambiri pamakampani otumiza katundu chifukwa zimathandizira kutumiza katundu mwachangu, zomwe zimapangitsa kuti zikhale zotheka kusuntha katundu wambiri munthawi yochepa.

Mawu akuti 'port crane' amatanthauza zida zilizonse zolemera zomwe zimagwiritsidwa ntchito pamalo otumizira katundu kapena doko ponyamula makontena, katundu, ndi zinthu zina zazikulu. Zimabwera m'mawonekedwe osiyanasiyana, kukula ndi mphamvu, ndipo zimapangidwa kuti zigwire mitundu yosiyanasiyana ya katundu. Mitundu ina yodziwika bwino ya port crane ndi ma gantry crane, rabara ma gantry crane, ma ship crane, ndi ma rail-mounted cranes.

Ma crane a gantry ndi mtundu wofala kwambiri wa ma crane omwe mungapeze m'madoko amakono. Ndi nyumba zazikulu zomwe zimagwira ntchito panjanji ndipo zimatha kusuntha katundu wokhala ndi makontena kuchokera padoko kupita ku sitima kapena malole. Ma crane a gantry amabwera m'mitundu yosiyanasiyana komanso kukula kwake, ndipo kutalika kwake kumasiyana kuyambira mamita 20 mpaka mamita 120. Ma crane amenewa amagwiritsa ntchito injini zamagetsi zamphamvu kunyamula makontena olemera mpaka matani 100 mosavuta.

Koma ma crane a rabara okhala ndi matayala, ndi ofanana ndi ma crane a gantry koma amagwira ntchito pa matayala a rabara m'malo mwa njanji. Ndi osavuta kuyenda ndipo amatha kusuntha katundu kuzungulira doko mosavuta, zomwe zimapangitsa kuti azigwira ntchito bwino kwambiri pankhani yokonza ndi kusamutsa ziwiya.

Ma crane a sitima, omwe amadziwikanso kuti ma port side crane, amagwiritsidwa ntchito kukweza ndi kutsitsa zombo zazikulu kwambiri kuti zisaime pagombe. Ma crane awa amafika kuchokera pa doko ndikunyamula zotengera molunjika kuchokera pa sitima kupita ku magalimoto kapena sitima zomwe zimadikirira m'mphepete mwa doko.

Ma crane opangidwa ndi sitima amagwiritsidwa ntchito m'madoko omwe ali ndi njira yolumikizirana ndi sitima kuti anyamule katunduyo mkati mwa dzikolo. Amapangidwira kuti asamutse makontena kuchokera m'chombo kupita ku sitima ndipo amatha kunyamula makontena olemera mpaka matani 40 chilichonse.

Ma crane a madoko amamangidwa kuti azitha kupirira nyengo yovuta ndipo amapangidwa ndi chitsulo champhamvu kwambiri kuti atsimikizire kukhazikika ndi kudalirika. Ma crane amakono ali ndi ukadaulo wamakono komanso masensa kuti apititse patsogolo chitetezo ndi magwiridwe antchito a madoko. Ndi abwinonso ku chilengedwe, ndipo amagwiritsa ntchito mphamvu zochepa komanso mpweya woipa, zomwe zimapangitsa kuti akhale abwino kwambiri pamadoko amakono.

Pomaliza, kireni ya padoko ndi gawo lofunika kwambiri pamakampani oyendetsa zoyendera ndi zonyamula katundu. Ndi makina onyamula katundu olemera omwe amapangitsa kuti madoko aziyenda bwino komanso katundu aziyenda. Chifukwa cha kubwera kwa ukadaulo wapamwamba kwambiri, mitundu yatsopano ya makireni a padoko omwe ndi othandiza komanso oteteza chilengedwe ipitiliza kuonekera, zomwe zikusintha kwambiri makampaniwa. Ngakhale tsogolo la makampani oyendetsa zombo silikudziwika, chinthu chimodzi n'chotsimikizika, kireni ya padoko idzakhalabe yosasinthika.