20 Ton Double Girder Electric Gantry Crane Manufacturer
20 Ton Double Girder Electric Gantry Crane Manufacturer
MG gantry crane is a professional machine for material handling, and it can be designed in different working duty according to user’s requirements. It is composed of crane trolley (winch trolley), bridge girder, legs, electrical system, etc.The three in one geared motors are adopted in cross & long traveling mechanism for easy maintenance; Control way can be cabin, or, Pendant, and remote. The cabin is Full field of view, suspended under the main girder.This gantry crane is widely applied to material stocks area, cement plant, granite industry, construction industry, engineering industry and so on.
The control method can be ground control, remote control, cabin control or both.
Double Girder Electric Gantry Crane Technical Parameter:
| Loading capacity | 5 ~ 500t |
| Lifting height | 3 ~ 30 m or customized |
| Lifting speed | Single speed: 3 ~ 8 m/min; or customized Variable frequency speed: 1 ~ 20 m/min; or customized |
| Span | 5~35 m |
| Lifting mechanism | Winch trolley |
| Working class | A3 ~ A7 |
| Working temperature | -20 ~ 40 ℃ |
| Power supply | AC-3Phase-220//230380/400/415/440V-50/60Hz |
| Control voltage | DC-24 / 36V |
| Motor protection class | IP54 IP55 IP65 |
| Control way | Ground handle control(Push button),wireless remote control,cabin control |
| Safety device | Buffer,current overload protection,overload device,power failure protection |
| Application area | Factory,workshop,warehouse,power station,logstic,etc. |
| Painting color | Yellow,Red or Customzied |
Safety devices
1. Overload Limiter ; Limit Switch (Lifting and Traveling) ; Short-circuit protection.
2. Rail tongs, Anchor device and Motor overload protection.
3. Protective cover and c urrent overload protection system.
4. Rail clear plate and e mergency stop system.
5. Interlock protection device ; Under-voltage protection ; Buffer ; Zero protection.
6. Anti-collision device rotection.