Asynchronous motor

compact

The Tamper-Proof Hinge Motor for Automated Gates A customer developed an innovative concept for automating a folding gate by integrating the motor directly into the gate hinge. This approach created a highly compact and discreet drive system, with the motor becoming part of the mechanical articulation itself. However, the design introduced a major security challenge. In the event of a power failure, the gate still had to be manually operated. The customer wanted a simple Allen key mechanism to release the drive and open the gate without electrical power. At the same time, this manual override had to be protected from unauthorized access. The challenge was not only to secure the unlocking function, but also to prevent the motor hinge from being removed to bypass the protection system. We therefore designed a locking mechanism with a dual function. When locked, it blocked the manual release system while simultaneously securing the motor mounting components. As a result, the motor hinge could not be dismantled without damaging the assembly unless the authorized key was used. This solution combined three essential requirements: quick manual release in case of power failure; restricted access through a dedicated key; protection against unauthorized motor removal. Once again, the main challenge was not the motor itself, but the integration of mechanics, safety and real-world security constraints into a single reliable design.