company news about Application and maintenance of semi-gantry crane

Gantry crane is a kind of heavy lifting equipment widely used in ports, factories, warehouses, construction and other industries. It has efficient lifting capacity, stable structure and flexible operation characteristics, and can be used to transport and lift various materials. In order to ensure the long-term and efficient operation of the semi-gantry crane, the maintenance and care of the equipment are essential. This article will introduce the main application areas and maintenance points of the semi-gantry crane.

Application Areas

The design concept of semi-gantry crane is similar to that of gantry crane, but it has higher flexibility and adaptability and is suitable for a variety of working environments. The following are common application areas of semi-gantry cranes:

1. Port and ship hoisting
2. Building and construction sites
3. Metallurgy and heavy industry
4. Warehousing and Logistics
5. Power and energy industry

Maintenance points of semi-gantry crane

In order to ensure the stable operation of the semi-gantry crane, regular maintenance is essential. The following will introduce how to maintain

1. Electrical system maintenance

The electrical system of a semi-gantry crane is its core component, which directly affects the operational safety and efficiency of the equipment. The maintenance of the electrical system requires regular inspection of components such as cables, motors, contactors, relays, etc. to ensure their normal operation.

• Check the cables: Regularly check whether the cables are worn or damaged, and ensure that their insulation layer is intact.
• Motor and controller: Check the working status of the motor and frequency converter to ensure smooth startup and normal operation.
• Electrical connector: Ensure that all electrical connections are stable to avoid failures due to poor contact.

2. Mechanical parts inspection

The mechanical parts of the crane, especially the lifting mechanism and the traveling mechanism, are the key parts of the semi-gantry crane. Regular inspection and timely maintenance of these parts can effectively avoid failures.

• Wire rope inspection: Regularly check the wear of the wire rope and check whether there are broken wires or breaks. If any abnormality is found, the wire rope should be replaced in time.
• Traveling mechanism maintenance: Check the wheels, bearings and wheel-rail system to ensure that the crane travels smoothly.
• Hooks and slings: Regularly check the wear of the hooks to ensure that the hooks are not damaged or cracked. Check whether the sling connection is stable and reliable.

3.Lubrication and oil change

A good lubrication system can effectively reduce the wear of various moving parts of the crane and extend the service life of the equipment.

• Lubricant inspection: Regularly check the amount and quality of lubricant in the reducer, travel motor and other parts. When the oil is aged or contaminated, it should be replaced in time.
• Grease: Regularly add grease to various moving parts of the crane (such as hooks, wheel bearings, etc.) to ensure smooth operation of the parts.

4. Safety system inspection

The safety system of the semi-gantry crane includes overload protection, limit device, safety brake system, etc. These systems are directly related to operational safety.

• Safety brake system: Regularly check the wear of the brake to ensure its reliability.
• Limit switch: Check whether the lifting and travel limit switches function normally to prevent overload and overtravel operation.
• Overload protection: Ensure that the overload protection system of the crane is in working condition to avoid equipment damage due to overload operation.

As a heavy lifting equipment, semi-gantry crane plays a vital role in industrial production. Regular maintenance and care can significantly improve the reliability and safety of the equipment, extend its service life and ensure production efficiency. Whether in ports, factories or construction sites, the efficient operation of semi-gantry cranes is inseparable from meticulous maintenance work. In order to ensure that the equipment always maintains the best operating condition, users should perform regular maintenance inspections to promptly detect and solve potential problems.