Mobile gantry cranes can reduce the labor amount of worker. During mobile gantry cranes using, it needs to start and stop frequently, so there is a wide application of the brake. What are the brakes on mobile gantry cranes?
Combined with the operational needs of various mechanisms, the mobile gantry cranes mainly apply following types of brakes:
1. Normally-closed wheel brakes are used on the mobile gantry cranes walking mechanism, are mainly used for braking the cart walking;
2. Normally-closed disc brake are applied to the end of high-speed shaft of lifting mechanism, is mainly used for braking lifting mechanism up and down;
3. The emergency brake (normally open-disc brake) are applied on the hoisting mechanism, is mainly used for lifting emergency safety braking if there mobile agntry cranes are in the abnormal state.
Single girder gantry crane
Double girder gantry crane
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