How many kinds of elevator safety tongs?
Composition of safety tongs:The safety tongs device is composed of two parts: a safety clamp, a control mechanism and a safety clamp body. That is, when the safety tongs mechanism moves, first, touch the electric appliance mechanism to make the elevator safety circuit break and stop the elevator. If the brake stops without legal system, the safety tongs will further move, and make the elevator stop on the guide rail.
Types of safety tongs:The elevator safety gear according to the braking element structure can be divided into different wedge type, eccentric wheel and roller type three, according to the braking deceleration (braking distance) can be divided into different instantaneous and incremental two.
