In the car circle, there is a suspension structure that is jokingly called chopstick suspension by netizens, which is multi-link suspension. Because this hanging connecting rod is as thin as chopsticks. Many people think that the chopstick suspension is easy to break, I want to say big brother where did your inspiration come from? Is it from the song "One chopstick is gently broken, ten chopsticks are hugged into a ball"? It's nice to say that multi-link suspension saves costs, but you're going to say it's easy to break, and you think automotive engineers aren't as smart as you?
BYD Tang, Camry on the use of the so-called chopstick suspension, by some media and netizens hacked into a honeycomb, first of all, this suspension does have cost-saving considerations, this did not have to wash, for this point netizens how to say toyota reduction is also normal, but put aside the reduction, let's talk about whether this suspension is really easy to break.
First of all, let's talk about the support structure of the suspension, the suspension system includes the suspension shock absorber, suspension spring, anti-roll rod, suspension secondary beam, lower control arm, longitudinal bar, knuckle arm, rubber bushing and connecting rod and other components. In fact, the main burden of the body weight is not the connecting rod, but the suspension spring and shock absorber, they absorb most of the wheel bounce and body weight, the body weight is transmitted to the wheel by the wheel through the shock absorber, even if fully loaded, it is still within the range of the suspension spring and the shock absorber.
And since the three connecting rods do not assume the main importance, what is their role? Two lateral tie rods, as long as they bear the lateral pull force when the vehicle is turning, and the longitudinal linkage bears the longitudinal pull force when the vehicle accelerates and decelerates. Note that the force here is a pull, not a lateral pressure.
As a simple example, you can easily break a chopstick, but if one hand grabs the head of the chopstick and the other hand grasps the tail of the chopstick, can you pull the chopsticks off while keeping the tension perpendicular to the direction of the chopsticks?
Therefore, in the form of suspension of multi-link, the role of the connecting rod is not to support the vehicle, but to stabilize the vehicle. The biggest advantage of this is that it can not only ensure the overall stiffness of the suspension, but also save costs and simplify the manufacturing process. But at the same time, such a suspension has a weak ability to resist roll, and can only rely on shock absorbers to withstand roll forces, so it is necessary to install lateral stabilizer bars to better resist roll.
In general, this multi-link form of suspension, although there is a manufacturer's purpose of saving costs, but it is indeed not easy to break, we do not need to worry too much when purchasing. If you are really not at ease, you can also choose other forms of suspension.