First of all, let's take a look at what the fire -cutting limit is. The fire -breaking limiter is used to limit the gourd -type cranes to each organization to run within a certain safety range, install the end point of each institution's itinerary, and control the electrical appliances that control the motor to control the motor. Essence The electric gourd fire -breaking limiter is installed on the lift motor seat, which is used to use the limit rod of the electric gourd itself to achieve the purpose of rising and down two -way limit.

The fire -breaking limit device consists of a fire -breaking limiter and a guide rod. The fire -cutting limiter is installed on the lift motor wiring box for the upper and lower limit protection of the lifting mechanism. The working principle is: the steel wire rope rope card plate is dial to drive the guide rod Electric power supply

The fire -breaking limiter is actually a type of itinerary switch. The fire break is to cut off the power. The itinerary switch is only controlled the coil of the contactor, if there is a problem with the contactor itself. The itinerary switch does not play a protective effect. The fire -cutting limiter is mechanical protection. If the wiring is correct, it can be protected. The fire -breaking limiter is an insurance institution that limits the steel wire rope that can only be raised or decreased within a certain range. When the wire rope guide is exposed to the fire -cutting limiter, the electric gourd will stop automatically

Simply put, the limitation of the fire is the protection device for the rise and fall of electric gourds. The broken fire here, "fire" refers to the line, where the input power is input. Simply put, it is the fire line that breaks the electric power