Helix bedspring is the spring that uses at most on contemporary car. Its absorption pounds ability strong, it is good to take comfortable sex; Defect is length bigger, take up the space is much, the interface that installs the position is bigger also, make of suspension system decorate accomplish hard very compact. Cannot bear as a result of helix bedspring itself transverse force, must use the complex assorted orgnaization such as bedspring of helix of 4 connecting rod in independent suspension so.
Stem from the consideration that takes comfortable sex, our hope is tall to frequency and the ground impact with little amplitude, bedspring can be behaved a bit more flexibly, and when wallop is big, can show bigger tigidity again, reduce concussion travel, because this needs bedspring,have two kinds at the same time even the stiffness of two kinds of above. Can use the spring that the bedspring that steel wire diameter differs or pitch differ, their stiffness follows laden addition and increase.
Leaf spring: Multi-purpose reach a lorry at compartment type car, by a certain number of piece the slightness with different length plays reed to combine and become. It is simpler than helix bedspring structure, cost is low, can assemble compactly at automobile body bottom, when the job each a generation attrition, because this itself has attenuation effect. But if produce serious dry clash, absorb percussive ability with respect to meeting influence. Take the contemporary car that takes comfortable sex seriously to be used rarely.
Twist lever bedspring: It is the senior staff that uses the spring steel that has screwy tigidity to be made. One aspect of the matter is secured at automobile body, one aspect of the matter and suspension the upper arm are linked together, when the wheel moves up and down, twist lever happening to seize change form, have the effect of bedspring.
Aeriform bedspring: The condensability that uses gas replaces metallic bedspring. Its biggest advantage has alterable stiffness namely, compress what follow gas ceaselessly increase stiffness gradually, and this kind increases is a successive gradual change process, and unlike metallic bedspring it is to classification of change. Another its advantage is to have adjustability, namely the height of the stiffness of bedspring and automobile body can adjust actively.
Through advocate of deputy air chamber cooperate to use, make bedspring can lie below the working status of two kinds of stiffness: Advocate deputy air chamber is used at the same time, aeriform capacity greatens, stiffness decrescent, conversely (use only advocate air chamber) criterion stiffness greatens. Aeriform bedspring stiffness is controlled by the computer, in car high speed, low speed, apply the brake, quickly and turn wait for condition to fall, undertake modulatory according to what needing stiffness. Aeriform bedspring also has a weak point, rely on pressure change to control a car tall must equip pump, still have all sorts of control attachment, be like air desiccator, if maintain,not good at meeting makes systematic interior rusty malfunction. Additional if do not use metallic spring at the same time, once happen flat, car will not travel.
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