What is a car front shock absorber
The automobile front shock absorber is an important part of the automobile suspension system. Its main function is to inhibit the rebound and shock generated by the spring after absorbing the road impact, so as to improve the ride comfort and handling ability of the automobile. The shock absorber damps the spring through the internal piston and damping oil, and converts the stored energy of the spring into heat and dissipates it, so that the vibration of the vehicle is rapidly weakened .
Type and construction of shock absorbers
There are many types of shock absorbers, common are single cylinder and double cylinder.
single-cylinder shock absorbers have only one cylinder enclosed with high-pressure nitrogen and oil and separated by a free piston. The advantage of the shock absorber is that the gas and oil are separated, and the situation of decompression boiling and air mixing does not occur, which can produce stable shock absorption force and good heat dissipation. The disadvantage is that the cost is higher and the length is limited .
double-barrel shock absorber : consists of an outer cylinder and an inner cylinder. The piston valve system is installed on the piston rod in the inner cylinder, which mainly provides damping force during the recovery stroke of the shock absorber. The advantage of the double-barrel shock absorber is that the damping force curve can be adjusted according to the design and application needs, but the disadvantage is that the structure is complex and the cost is high .
How shock absorbers work
The working principle of the shock absorber is that the internal piston and damping oil are damped when the spring expands and expands, and the energy stored in the spring is converted into heat energy and dissipated, so as to adjust the shock absorption effect. When the vehicle is driving on the uneven road surface, the spring will absorb the impact force, but will produce rebound and shock, the shock absorber through the internal damping oil and friction of the piston to consume this energy, making the vehicle more stable .
The main function of the front shock absorber is to restrain the shock of the spring after absorbing the shock, and reduce the impact from the road surface, so as to improve the car's ride comfort .
Specifically, the shock absorber is damped by the internal piston and damping oil when the spring expands and expands, converting the stored energy of the spring into heat and dissipating it, so that the vibration of the vehicle is rapidly weakened .
Working principle
The shock absorber contains a piston and damping oil. When the spring expands, the piston in the shock absorber moves up and down, and the damping oil flows between the chambers to produce damping force, thereby adjusting the shock absorption effect .
In the compression stroke (the axle and the frame are close to each other), the damping force of the shock absorber is small, so as to give full play to the elastic role of the elastic elements and mitigate the impact. In the suspension stretch travel (the axle and the frame are far away from each other), the damping force of the shock absorber should be large to rapidly reduce the vibration .
Characteristics of different types of shock absorbers
Traditional hydraulic shock absorbers rely on fluid flow and hydraulic oil compression to work. The highly integrated suspension motor uses the principle of electromagnetic induction to support and regulate the body through magnetic field interaction.
This new damping system not only reduces the complexity of the traditional hydraulic shock absorber, but also improves the damping effect and the stability of the body.
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