Gantry crane construction
1. Steel structure: Main beam, end beam, trolley frame, support leg, lower beam, gantry frame, walking and maintenance platform and driver's cabin.
2. Transmission mechanism: lifting mechanism, operating mechanism, etc.
3. Electrical systems: handheld controllers, master controllers, conductive devices, cable reels, resistance boxes, frequency converters, control cabinets, etc.
4. Main parts: hook, grabs, lifting electromagnets, wire ropes, chains, pulleys, reels, brakes, wheels and railway tracks.
5. Mechanical safety devices: lifting height limiter, running limiters, buffers, anchoring devices, rail clips or wind-resistant iron, safety hammers, anti-back-tilt devices, overload limiters, moment limiters, and anti-collision devices.
Single girder gantry crane
Double girder gantry crane
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