Salient Features of EOT Cranes

CRANE BRIDGE:

• Type - Plate box / standard rolled steel joist / compound beams / Castellated / Lattice Construction
• All the main butt-weld joints of the web are 100% radiographed ensuring reliability of welded joints
• The material of construction conforms to IS:2062.

GEAR BOX:

• Totally enclosed oil immersed reduction Helical Hardened & Ground gears
• Made from Special alloy steel forging
• Gears and pinions are supported on antifriction ball / roller bearing to protect gear train from shock loads.

WHEEL ASSEMBLIES:

• Straight treaded Double Flanged
• Made from Forged steel
• Supported on antifriction ball or double row self aligned spherical roller bearings
• Wheel Blocks of 'L' type design ('L' type bearings) for easy maintenance
• Open Geared Wheeltypes also available on request

MICRO SPEED:

• Micro speed for hoist, trolley or cranes at the rate of 5% to 20% of the main speed
• Achieved through VVVF (Variable Voltage Variable Frequency) Drive
• Can also be achieved by a Planetory gearing system and pony motor with separate brake unit.
• Can also be achieved by Dual Pole Motors

COUPLINGS:

• Flexible gear couplings provided in between gear box and rope drum to withstand the misalignment
• Geared couplings provided between gear box and wheel in travel drives
• Direct Positive drives using Geared Motors are also available

BRAKES:

• 'Fail safe' Electro hydraulic A.C. Thrustor brakes are provided
• ACEM / DCEM shoe brakes are also provided on request
• DCEM Disc Brakes are provided invariably with geared motor positive drives.

L.T. DRIVE:

• Independent drive (twin drive) are provided as a standard for smooth operations
• For high speed cranes, drives on all 4 wheels are also available

MOTORS:

• Totally Enclosed Fan Cooled (TEFC)
• S-4 Crane Duty
• 40% CDF, 150 Starts / hr.
• Confirming to IS:325 of reputed makes
• Voltage variations from 380V to 460V are also available on request to suit International Power Supplies

CONTROL:

• Pendent control from floor
• Master controller from cabin
• Radio Remote control