The QGX lifting height limiter is driven by the spool shaft to rotate the worm and the worm gear, and the cam on the worm gear shaft also rotates. When it turns to a certain position, the flange part of the cam contacts the limit switch to make the limit switch act. Cut off the power source for ascending or descending, so that the spreader stops at the limit position.

The QGX lifting height limiter is equipped with four to eight limit switches, which can be set according to user needs. Generally, two protections can be set for rising and falling, namely alarm limit and protection limit. The device is suitable for all kinds of cranes, elevators, hoists and other equipment with displacement machinery, and can effectively prevent equipment and personnel accidents such as topping, derailment, and falling.

Strong versatility

Adjustable limit, suitable for all kinds of cranes, elevators, lifts and other equipment with displacement machinery.

Precise and reliable

Through the type test certification of special equipment, the normal service life can reach more than ten years.

Easy to install

The installation is simple, and many users have received good feedback on their own installation for many years, and they have received good feedback on their own reset and transfer.

QGX lifting height limiter is suitable for all kinds of cranes, elevators, lifts and other equipment with displacement machinery.

Engineering cases