Description
Portal Slewing Crane, also called a portal boom crane, is used for loading and unloading operations with a grab or hook at the front of port terminals and open-air stockpiles. It has a strong lifting capacity of tens to thousands of tons and can easily lift various heavy objects. The Portal Slewing Crane is divided into two types: single-arm and four-link according to the boom structure. Its 360° rotating platform and tilting jib system provide a wide range of working ranges, coordinated and adjustable speed of the working mechanism, and efficient operation. The advanced control system can adapt to various harsh environments and different operating scenarios. With a sturdy and durable structure and flexible travel mechanism, it is an ideal solution for operations in ports, shipyards, etc.
Specifications
| Main Technical Parameters | ||||||||
| Basic Parameters | Rated Lifting Capacity | Hook (t) | 10 | 16 | 25 | 40 | 60 | 80 |
| Grab(t) | 10 | 16 | 25 | 40 | 40 | 40 | ||
| Min. Working Range (m) | Above the Rail Surface(m) | 20 | 25 | 25 | 28 | 30 | 35 | |
| Below the Rail Surface (m) | 10 | 10 | 15 | 15 | 18 | 20 | ||
| Max.Working Range(m) | 30 | 35 | 35 | 35 | 40 | 45 | ||
| Min.Working Range (m) | 8.5 | 8.5 | 9.5 | 11 | 12 | 12 | ||
| Slewing Radius of Tail(m) | 6.5 | 7 | 7.5 | 8 | 9 | 9.5 | ||
| Rail Gauge(m) | 10.5/12 | 10.5/12 | 10.5/12/14 | 10.5/12/14/16 | 12/14/16 | 12/14/16 | ||
| Base Distance(m) | 10.5/12 | 10.5/12 | 10.5/12/14 | 10.5/12/14 | 12/14/16 | 12/14/16 | ||
| Speed | Lifting Speed | Full Load(m/min) | 40 | 40 | 50 | 50 | 40 | 30 |
| No Load(m/min) | 60 | 60 | 80 | 80 | 70 | 50 | ||
| Luffing Speed(m/min) | 40 | 40 | 50 | 50 | 30 | 30 | ||
| Slewing Speed(r/min) | 1/1.2/1.5 | 1/1.2/1.5 | 1/1.2/1.5 | 1/1.2/1.5 | 0.8/1 | 0.8/1 | ||
| Crane Traveling Speed (m/min) | 25/30 | 25/30 | 25/30 | 25/30 | 25/30 | 25/30 | ||
| Number of Wheels | 16/20 | 20/24 | 24/32 | 32 | 32/40 | 40 | ||
| Max.WheelLoad | 250 | 250 | 250 | 250 | 300 | 300 | ||
| Rail Type | QU80 | QU80 | QU100 | QU100 | QU100 | QU100 | ||
| Power Suppl | 3 phase AC 380V 50HZ | |||||||
Advantages
When purchasing a marine travel lift for sale, it is recommended to conduct a professional evaluation in the following four areas:
360° Full-Slewing Coverage
The crane's full-slewing platform enables 360° rotation, covering a broad working range of 30 to 45 meters without repositioning . This provides efficient ship loading/unloading and yard handling from a single trackside position .
Multi-Cargo Versatility
Equipped with a quick-change interface, the crane seamlessly switches between hooks, grabs, and container spreaders within 3-5 minutes . This allows a single machine to handle general cargo, bulk materials (coal, ore, grain), and containers, maximizing utilization .
Smooth & Precise Level Luffing
The four-link boom system ensures near-horizontal load movement during luffing (radius changes), minimizing load swing and enabling precise placement . Combined with full digital AC frequency conversion and PLC control, this delivers smooth, energy-efficient operation .
Robust Stability & Space-Saving Portal
The rail-mounted portal design combines a low center of gravity for excellent stability under heavy loads, with an open undercarriage that preserves quayside space for trucks and conveyor access . This maximizes operational flexibility on congeste
Cases
