Four-Link Portal Crane is a more sophisticated design that incorporates four linkages to support horizontal girder or jib of the portal boom crane. The portal slewing crane has a portal frame structure and its primary advantage lies in the four-link mechanism, which provides greater stability, load distribution and lifting precision. This portal boom crane is often used for very heavy-duty lifting applications in ports, construction, and industrial facilities.
At our portal crane factory, we are committed to provide high-quality lifting equipment around the world. With a four-link design, our portal slewing crane can offer excellent stability, strong load capacity and flexible handling, ensuring precision, efficiency and safety in every lift. From container handling to heavy cargo transportation, we offer customized solutions to help you increase efficiency and reduce costs.
Fixed Type Four Link Portal Crane
Rail Mounted Four Link Portal Crane
| Model | MQ524 | MQ1030 | MQ1630 | MQ2530 | MQ3030 | MQ4030 | MQ4530 | |
| Capacity | 5T | 10T | 16T | 25T | 30T | 40T | 45T | |
| Working Radius | Max | 24m | 30m | 30m | 30m | 30m | 30m | 30m |
| Min | 7.5m | 9m | 9.5m | 9.5m | 10m | 10m | 10m | |
| Lifting Height | Above Rail | 19m | 18m | 19m | 19m | 19m | 18m | 18m |
| Below Rail | 10m | 16m | 15m | 15m | 15m | 15m | 15m | |
| Working Speed | Lifting Speed | 60m/min | 60m/min | 60m/min | 50m/min | 40m/min | 40m/min | 40m/min |
| Luffing Speed | 48m/min | 52m/min | 52m/min | 45m/min | 40m/min | 40m/min | 40m/min | |
| Slewing Speed | 1.82r/min | 1.5r/min | 1.4r/min | 1.82r/min | 1.25r/min | 1. 25r/min | 1.25r/min | |
| Travelling Speed | 28m/min | 25m/min | 25m/min | 25m/min | 25m/min | 25m/min | 25m/min | |
| Max Wheel Pressure | 116KN | 250KN | 250KN | 250KN | 300KN | 300KN | 300KN | |
| Gauge | 6m | 10.5m | 10.5m | 10.5m | 10.5m | 10.5m | 10.5m | |
| Basal Spur | 6m | 12m | 12m | 12m | 12m | 12m | 13m | |
| Recommended Track | 43kg | QU70 | QU70 | QU70 | QU80 | QU80 | QU80 | |
| Installed Capacity | 235KW | 298KW | 429KW | 557KW | 637KW | 733KW | 789KW | |
| Power Supply | 3-Phase AC 50HZ 380V | |||||||
Note: The above data is only for refence. The portal crane can be customized based on client request, such as lifting capacity, working radius and lifting height, etc.
Yes, the four-link portal crane can be customized to the port environment (e.g., track specifications, wind speed requirements), ensuring efficient and safe operation in a specific environment.
We can dispatch engineers to working site at client’s cost. Alternatively, we can guide technical troubleshooting online/remote via skype or WhatsApp for free.
Yes. We can dispatch engineers to working site at client’s cost and train site personnel for operation and maintenance.
a. User manual and maintenance manual
b. Installation, operation and service manual
c. Electrical schematic drawing and wiring diagram
Yes, we will send free spare parts list and charged parts list for your evaluation.
The operation of the four-link portal crane is relatively professional and we can provide operator training services to ensure that the operator can operate the equipment safely and efficiently.
Yes, our portal cranes are typically energy efficient in design, have efficient electric drive systems, and use environmentally friendly materials and technologies to reduce energy consumption and pollution.
Yes, we can provide the certificates such as CE, CCS, BV, etc.
Yes, we can send our professional technical teams to do the work.
12 months warranty since BL date.
