The flameout limiter is actually a travel switch, and flameout is to cut off the power supply. There is a rope guide on the steel rope drum of the electric hoist, which can move axially with the number of rope turns. It is it that drives the guide rod to close the limit switch when the hook rises to a certain extent, and cut off the power supply of the hoisting motor to prevent accidents.

Extended data:

Mainly divided into plastic-coated limiters: the main arm is steel skeleton, and the plastic-coated limiter is called plastic-coated limiter. Stamping limiter: the limiter of the main arm to realize the limiting structure through stamping process is called stamping limiter; Other functional plugs: refers to the Mense except the punching plugs and plastic-coated plugs.

In the process of door opening and closing, the slider in the stopper cover plate reciprocates on the main arm. Because the thickness of the main arm is different in the direction of the movement track, the displacement distance of the slider is also different, and the force of squeezing the rubber block is also different, so different door opening and closing forces will be generated in the process of opening and closing the door, thus achieving the effect of limiting.

With the development of the world economy, cars will become the main means of transportation for human beings. Due to the increase of urban population, the distance between cars will be smaller and smaller in the future. In order to avoid hitting other cars when getting on and off, the requirements for limiters will be higher. The two-stage limiter can no longer meet the requirements of users and will be replaced by the three-stage limiter.

Baidu encyclopedia-electric hoist

Baidu encyclopedia-fire-breaking limiter