Permanent magnet security locks is the latest products which developed and designed for settling the security risks existed in the field of crane boarding gate of the end beam, can completely replace the door bolt and safety switch on the boarding gate, has a long life, high shock resistance, easy installation, no need to change the electronic control system, avoid of the security risks and other advantages. Since built-in the strong magnetic device, when the boarding gate is near to the product, the boarding gate will be adsorbed by the strong magnetic device tightly, while output signal to the electronic control system, which the door bolt will be synchronized with the output signal, the operating staff operates much easier when pass the boarding gate, also pass through much safer.
crane permanent magnet safety lock