Shulou(Shulou.com)11/24 Report--

CTOnews.com, September 22 (Xinhua)-- CRRC unveiled its first rail transit vehicle bow system bogie at the 2022 Berlin International Rail Transit Technology Exhibition (InnoTrans 2022) on September 20 local time, according to the official Wechat account of CRRC.

▲ source: CRRC in China

CRRC said that the bogie is the running part of the rail vehicle, like the human legs, is one of the core components of the rail vehicle. " The bow bogie adopts a fully assembled carbon fiber flexible frame without welded structure, which not only carries the weight of the vehicle, but also alleviates the interaction between the vehicle and the line through the damping characteristics of the bow, which is like installing a "spring leg" for the rail vehicle. it can improve the ride comfort and comfort of the vehicle.

CRRC data show that compared with traditional bogies, power "bow" bogies reduce weight by 25%, non-power bogies by 35%, vehicle energy consumption by 15%, wheel / rail wear by 30%, noise by 2 to 3 decibels, and life cycle cost by 15%.

In addition, the CRRC designer places the optical fiber sensor in the bogie frame and uses intelligent devices such as electronically controlled braking, so that the "bow" bogie has the function of monitoring its own health status and sensing the state between the line and the vehicle. make the train operation more intelligent, safe and reliable.

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