There are significant differences between spring shock absorbers in different types of vehicles. These differences are mainly reflected in structural design, working principle, and performance.

Single-cylinder spring shock absorbers use a single-tube design with a high-pressure nitrogen tank at the end. A floating piston above separates the damping oil and nitrogen. This design allows for a large flow of damping oil, rapid pressure reduction, and good heat dissipation.

Double-cylinder spring shock absorbers, also known as dual-spring shock absorbers, completely separate the oil and gas, achieving various damping effects. These shock absorbers have a simple structure, are low cost, and are easy to mass-produce, but their piston diameter is smaller than that of a single-cylinder shock absorber, resulting in poorer heat dissipation.

Twin-tube hydraulic shock absorbers consist of two tubes, divided into a working chamber and an oil reservoir. Their working principle is similar to that of a syringe, with significant resistance during rapid insertion.

Air shock absorbers are filled with nitrogen and do not require a hydraulic oil reservoir, thus requiring high machining precision. They utilize air springs instead of coil springs and can automatically adjust the vehicle height according to road conditions. During maintenance, the lifting mode needs to be preset.

Inductive shock absorbers come in two types: magnetorheological and electrorheological. They suppress vibrations instantaneously through sensors and changes in the density and current of the electromagnetic fluid.

Hydraulic shock absorbers utilize oil flow to generate damping force, while pneumatic shock absorbers operate using a floating piston and high-pressure nitrogen. When the wheel bounces, the working piston reciprocates, and the valve generates damping force on the oil, thus reducing vibration.

Adjustable-resistance shock absorbers use air springs as the elastic element, adjusting the oil throttling orifice diameter and damping stiffness by changing the air pressure.

Different spring shock absorbers have their own unique performance characteristics. For example, the HDL type adjustable spring shock absorber combines new metal and rubber technologies, using a large-diameter spring to absorb vibrations. It is also equipped with an adjusting bolt for height adjustment, suitable for vibration isolation of various equipment.

Industrial air spring shock absorbers use gas pressure for damping, offering good stability and adjustability and excellent corrosion resistance. However, these shock absorbers are susceptible to environmental temperature changes, and the bulb is prone to rupture. Mechanical spring shock absorbers utilize the elastic deformation of springs for vibration reduction, offering stable operation, long lifespan, and low cost. However, they are sensitive to load changes and have poor adjustability. Mechanical spring shock absorbers are commonly used in applications with small vibration amplitudes and stable loads, while air spring shock absorbers are suitable for applications with higher performance requirements.