The QY insulated double-girder bridge crane consists of a beam frame, a crane traveling device, and an electric trolley with a hoisting traveling device. The crane is suitable for workshops that smelt electrolytic magnesium and other electrolytic non-ferrous metal materials to prevent the current of the live equipment from being transmitted to the bridge crane through the hook during operation, endangering the life of the driver and the safety of the equipment. The main beam is paved with tracks for trolleys. There is a panoramic cab under the main beam, and a combined console or single control box is installed in the cab. A side ladder is installed between the cabin and the mobile platform, and the main beams and end frames on both sides are connected with the connection point in the middle. The cranes are all heavy-duty work systems. In order to ensure the safety of lifting, the hoisting mechanism is equipped with double brakes. All operations of the crane are completed in the driver’s cab.
The steel structure of The QY insulated double-girder bridge crane is overhead walking, which is a solid box-type steel structure often used in workshops, heavy duty A6. There are insulation functions, weight overload protection, emergency stop system, overcurrent protection, short circuit protection, limit switches and limiters for long distance and lateral movement of cranes, lifting ultra-high and ultra-low limit switches, etc.
The lifting capacity of the isolation crane is 5 to 50 tons and the working class is A6.
Qy Insulated Double-Girder Bridge Crane Safety Protection Device
* Overload limiter is installed on the main crane hook, which has the functions of weight display, overload alarming, and
automatic power off.
* Each mechanism is installed with closed electro-hydraulic brake while main lifting adopts dual brakes.
* Lifting limit switch, overcurrent protection, no-voltage protection, phase protection, zero protection, emergency switch, the
main isolating switch, hatch door interlock switch, bells prompt and other safety devices to ensure the normal operation of
cranes and related personnel personal safety.
* A few shock proof lamps can be installed under the bridge frame according to your needs.
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