Ról Bhíoma na Croise Tosaigh Carranna

Bhíoma tras tosaigh an ghluaisteáinIs é an chéad bhíoma tras taobh thiar den tuairteoir tosaigh
Bíomaí fadaimseartha carr:

An fadaimsearthabíomaí are usually stamped from low-alloy steel plates, and the cross-sectional shape is generally grooved, and some are made into Z-shaped or box-shaped. According to the different forms of automobiles and the requirements of structural layout, the longitudinalbíomaí can be curved in the horizontal plane or the longitudinal plane, as well as equal or non-equal cross-section. The cross bhíomais not only used to ensure the torsional rigidity of the frame and bear the longitudinal load, but also can support the main components of the car.

Usually trucks have 5-6bíomaí, sometimes more. The structural feature of the side bhíomais é an fráma ná go bhfuil sé furasta an cab, an t-iompar agus roinnt trealamh speisialta a shuiteáil agus tionóil eile a shocrú, a chabhródh le gluaisteáin athraitheacha a mhodhnú agus le feithiclí éagsúla a fhorbairt, mar sin úsáidtear go forleathan é i dtrucailí agus is speisialta. feithiclí.