20 tons Customized double beams heavy duty bridge crane working class A5 is composed with Girder frame, Crane travel device, and the trolley with lifting and moving device. There are Pave the rail for the trolley move on the main girder.Assemble the moving table on the outside of the two main girder, one side is prepare for the assemble and maintenance the crane move device, another side is prepare for the assemble of the trolley conductor device.
Electric System:
1. Control panel protection degree is IP54;
2. Reasonable components installation, convenient for check and maintenance;
Safety Protection Devices:
Overload limiter, limit switch, interlocking protection devices, buffer, track sweep plate, bus bar protection board, anti-collision device, main disconnecting switch, emergency stop system and motor overload protection.
2. Main Parts of QD Moddel Crane
Product Structure:
| Mechanism | Item | Unit | Result |
| Item | | |
| Lifting capacity | ton | 5-350 |
| Lifting height | m | 1-20 |
| Span | m | 10.5-31.5 |
| Working environment temperture | °C | -25~40 |
| Speed | Hoisting | Main | m/min | 0.84-9.5 |
| Aux. | 5.22-12.6 |
| crab | 5.8-38.4 |
| trolley | 17.7-78 |
| Working system | | A5-A6 |
Main Features of QD model Crane:
1). Long Life Span: 30-50years;
2). Easy for Installation and maintenance;
3). Reasonable structure and strong rigidity;
4). The speed can be frequency inverter speed control;
5). Control method is cabin control or remote control;
6). Depending on lifting cargo, crane can be equipped with hanging beam magnet or magnet chuck or Grab or C hook;
7). Crane is equipped with all moving limit switch, loading limit and other standard safety devices, to promise crane work safe
Attention:
Safety is the most important issue for cranes. To ensure the safety,It is prohibited to use the equipment in the combustible, explosive or corrosives environment.(Need explosion proof type for this).
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