Product Description Engineering gantry crane is mainly used for bridge construction which is worked at a low rate. It is composed of gantry, windlass crab, trolley travelling mechanism, cab and electric control system .
The gantry, of a truss structure and having advantages of light structure, strong wind resistance and so on, is composed of girder, upper end girder, leg, lower end girder, travelling trolley and platform railing. The girder is of a triangular truss structure, on which laid rils for crane crab to transversely move along the main girder.The legs are of a box structure or steel tube structure.
Function:
1. Simple and compact structure, stable performance.
2. Overload and low voltage protection device.
3. Suspension control and remote control.
4. Low maintenance cost.
5. To prevent the hook from hitting the top, set up protective covers and guardrails.
6. Circuit self-check protection device, running stroke limit protection phase current.
7. Outdoor cranes are equipped with lifting mechanism, electrical control box and rainproof device.
8. Anti-collision, sound and light alarm device. Equipped with rail clamp. Safety device:
1. Weight overload protection device.
2. Lifting limit switch and travel limit switch.
3. Emergency stop system.
4. Zero voltage protection.
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