The so-called spring operating mechanism refers to a mechanical operating mechanism that uses a spring as an energy storage element. The energy storage of the spring is mainly accomplished by the spring operating mechanism through the deceleration device, and is maintained in the energy storage state by the locking system. When breaking, the lock is released by magnetic force, the spring releases energy, and the contact is moved through the mechanical transmission unit.
Overall, the operating mechanism is relatively simple in structure, and the performance is reliable and stable. The opening and closing operation is realized by two helical compression springs. The spring operating mechanism uses a motor to store energy for the closing spring. When the closing is performed, part of the energy of the closing spring is used for closing, and the other part is used to store energy for the opening spring.
Under normal circumstances, when the closing spring is released, the spring operating mechanism can immediately store its energy with the motor. Usually, the energy storage time is less than 15 seconds. Usually, the energy storage motor uses an AC/DC motor. When the switch is in the opening position, the closing spring is in the energy storage state, the cam is connected to the ratchet through the cam shaft, and the ratchet is subjected to the clockwise torque by the action of the stored closing spring force.