Four Types of Trailer Suspension
Suspension is an important part of semi-trailer connecting the chassis walking device and frame.The supporting,braking and driving force of semi-trailer are all passed by the suspension system.It can also reduce the impact of bad roads on vehicles - shock absorption and ensure the stability of the semi-trailer. Now we will introduce four type of trailer suspension that be used mostly: Spring suspension,Airbag suspension,Bogie suspension,rigid suspension . SPRING SUSPENSION (LEAF SPRING) Spring suspension,also be called leaf spring.It is made of leaf spring,shackle,U bolt etc. Advantage:cheap,reliable and easily maintain. Now over 80% semi-trailers in Asia and Africa use the spring suspension. Common trailer type that use spring suspension:skeleton trailer,flatbed trailer,fuel tanker trailer,bulk cement trailer,low bed trailer,tipper trailer etc. AIRBAG SUSPENSION The most obvious feature of airbag suspension is the Air bag air spring. Advantage:Light weight,good stability B...