45 Ton Gantry Crane Feature Description
A gantry Crane, also called a portal crane, is a type of bridge crane with an overhead gantry staddles the workspace and is supported by legs that run on rails or wheels. Max. safety working load 300t. For the Special Crane lifting capacity pls consult us
Flexible solution for all lifting needs
Excellent driving properties, stepless control, smoothly moving for option
.Double welding box girder, ISO standard Camber
Steel box legs
Material Q235 or Q345
High quality automatic welding and NDT inspection
Shot-blasting Sa2.5 for complete girder after welding, stress release
Epoxy-polyamide high quality paiting coat, 2x2 with 180-230μm
10.9 class High tension bolts mouting between girder and legs, life time safety connection
Vertical Gear Motor driving,more safety and smaller space(option)
End carriage equipped with anti-friction bearings, cellular buffers, derailment protectors
.Electrification and outfitting
.Conductor power supply
All hoist and crane movements are independent and can be run simultaneously.
Contactors meet crane applications, rated for severe vibration.
The control panels are finished to withstand corrosion, IP55 (Other on request)
Heavy duty plug head
The components are positioned in a maintenance friendly way, and the whole layout provides good protection against accidental contact.
The multi-wire type fixed cables with plastic insulation are intended for crane usage.
The flat cables used for festoons are PVC insulated flexible flat cables rated for 450/750V, specially designed for cranes, hoists.
Festoon cables are suspended on Cable saddles, fixed to cable trolleys, running in a galvanised C-track, which is connected to the main girder with bolted or welded support brackets.
.Both the end of horizontal and vertical rail are equipped with limit switch and baffle to avoid the dropping of the
The internal friction clutch of the hanging machine can lead to the motor idling when over weight hanging and prevent the machine body and load Chain from damage.
The upper and lower limit switches will be immediately prompted to stall the motor when over weight lift. Also, there is overheating protection device to protect the motor from overheating and burning.
The emergency stop button will make the whole system power failure and will be restarted manually.
Rain cover for outside hoist, driving units, electrical cubicle
Wind limitor: Wind detector device has been installed for all outdoor gantry cranes
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