Bailey Beam Fulcrum Signal

Bailey thav duab yuav tsum muaj kev ntseeg siab nrog U-bolt, channel steel thiab paj ncej. Hauv qab ntawm Bailey beam yog ruaj khov nrog U-bolts thiab I-beams; Thaum U-bolt locks I-beam thiab Bailey beam, cov lus qhia xauv ntawm cov bolts uas nyob ib sab yuav tsum sib txawv kom ntseeg tau tias tsis muaj kev txav tsis raug tshwm sim thaum lub sijhawm thauj khoom. Thaum txhim kho Bailey daim, nws yog ib qho tsim nyog yuav tsum siv 90 paj thav duab kom ruaj khov txuas txhua daim Beret. Cov kab hluav taws xob xaim yuav tsum muaj kev sib txuas ruaj khov ntawm txhua txheej ntawm Bailey kab teeb nrog bolts ua ntej xaim xaim thiab square ntoo tuaj yeem muab tso rau.