Single-Jib Portal Slewing Crane

The single-jib portal slewing crane is a highly efficient port handling equipment featuring slewing, luffing, traveling, and hoisting functions, suitable for ports, wharves, shipyards, steel mills, and other operating environments. This model has a compact structure, supports 360° full slewing, offers a wide operating coverage, and is capable of high-intensity continuous operation. Compared with the four-link jib portal slewing crane, it features lighter dead weight, lower energy consumption, and lower maintenance costs. It is widely used for bulk cargo, general cargo, and container handling, and is one of the main models of green and energy-saving handling equipment in modern ports.

Product Advantages

1. Slewing bearing designed to last as long as the entire machine

We have decades of accumulated machining process experience and are a member of the Jib Crane Standardization Committee. Our slewing bearing machining process ensures that the slewing bearing, the most critical mechanical component of a portal slewing crane, achieves the same service life as the entire machine.

2. Low center of gravity design

The design concept of a high jib with a low slewing platform lowers the center of gravity of the portal crane, improving the stability of the entire machine.

3. Low wire rope wear design

The parallel lay winding method reduces wire rope wear, extending service life by more than 20% and reducing maintenance and replacement costs.

4. Quick spreader changeover

The quick-change interface ensures smooth changeover among grab, hook, and container spreader within 3-5 minutes.

5. Spreader follow-up

When the slewing platform rotates, the container spreader counter-rotates to compensate for the slewing angle, keeping the spreader always aligned with the operating angle and improving work efficiency.

6. All-electric drive

Environmentally friendly and energy-saving, with a power supply range of 380V to 20kV for the entire machine.

7. Rail-mounted operation

Steel wheels can carry greater loads with minimal wear, eliminating the need for frequent wheel replacement and resulting in lower maintenance costs compared with tire-mounted cranes.

8. Multiple safety guarantees

Safety is one of our most important design considerations. Through redundant design of multiple safety protections, we adopt multiple measures to effectively ensure the safe operation of the crane.

9. Grab anti-sway system

By modeling the portal slewing system and calculating the grab sway angle, the system intelligently controls slewing and luffing speeds to eliminate the sway angle, achieving an anti-sway effect.

10. Automatic operation system

The portal crane memorizes grab loading and unloading positions and operating paths. Combined with grab anti-sway, positioning, and anti-collision algorithms, it achieves automatic operation of the portal grab.

11. Jib anti-collision system

By detecting the luffing radius, angle, and operating position of the portal crane and sharing data with adjacent equipment, a portal crane group model is constructed, and intelligent algorithms are used to achieve jib anti-collision protection.

12. Energy feedback system

The electrical energy generated during load lowering or motor deceleration is fed back to the power grid, achieving energy recovery and utilization for energy saving and emission reduction.

13. Energy recovery system

The electrical energy generated during load lowering or motor deceleration is stored in batteries or supercapacitors and released during the next operation, achieving energy recovery and utilization while reducing the overall input power of the machine.

14. High power factor, low harmonic content

An intelligent compensation and harmonic elimination system is adopted to improve power factor, reduce line losses, and optimize power quality.

15. High handling efficiency

Maximum bulk cargo handling efficiency: 1,200 t/hour.

Maximum container handling efficiency: 30 natural containers/hour

Application Scenarios

1. Ports and wharves: For loading and unloading cargo from ships and vehicles, including general cargo, bulk cargo, and containers.

2. Railway freight yards: For loading and unloading trains, including general cargo, bulk cargo, and containers.

Optional Configurations

1. Lifting attachments: Optional hook, grab, container spreader, electromagnetic spreader, hook beam, C-type steel coil spreader, etc.;

2. Intelligent systems: Optional cloud monitoring, video surveillance, remote control, condition monitoring, intelligent lightning protection system, automatic fire extinguishing, automatic spreader follow-up system;

3. Energy-saving systems: Energy feedback system, energy recovery system;

4. Bulk cargo receiving systems: Mobile hopper, fixed hopper, towed hopper;

5. Hopper environmental protection: Dry fog dust suppression system, spray dust suppression system, negative pressure dust suppression system.