2. L-shaped pin shaft of damping rotating shaft: It is composed of two L-shaped pins connected by springs, which can provide certain damping effect.
3. L-shaped pin sleeve for damping rotating shaft: it consists of two L-shaped pins and two shaft sleeves, which are connected by springs and can provide certain damping effect.
4. L-shaped pin sleeve with flange for damping rotating shaft: it consists of two L-shaped pin shafts and two shaft sleeves, which are connected by springs in the middle and have flanges, and can be easily installed on mechanical equipment.