Double girder overhead cranes

This solution can give your operation more efficient and safer, and allow more fittings to install such as lightings, cabin, cable reels, …etc. The load hook can be raised between the two crane girders, resulting in higher lifting path to achieve. The maintenance walkway can make crane maintenance even easier, and provide space to accommodate large size of electrical cabinet, with which open winch or custom crane usually is equipped.

Technical data

  • Load capacity              
  • Span                                    
  • Lift speed                       
  • Cross travel speed        
  • Long travel speed      
  • Duty Classification     

up to 80ton
up to 40m
up to 12.5m/min, depends on selected hoist
typical 12~20m/min, up to 30m/min
typical 20~30m/min, up to 50m/min
up to CMAA Class D, or GB A6

 

Design variants

Electrical features

  • Both single speed and dual speed (Fast/Slow) two options are available
  • Operate by pendant switch control
  • Operate by wireless radio control (Optional)
  • Operate in cabin (Optional)
  • Control power AC 48V, not to cause harm to electrician while checking electrical wires and components
  • Powered via inverter to ensure simultaneous control of several drives and have smooth acceleration and braking characteristics (Optional)
  • Thermal overload relay to protect the hoist motor from overload situation
  • Limit switches or slack rope relays protect the hoist and load from damage
  • Anti-collision protection and crane distance controls ensure the safe operation of several cranes on one runway
  • Overload protective device prevents the user and the crane from dangerous overload situation (Optional)
  • Emergency stop is wired up via a dedicated circuit and contactor to cut off power
  • Show weight info via wireless display which can be mounted to any intended place within transmission range (Optional)