Electromech Engineers' Single Girder Bridge Cranes

Electromech Engineers manufactures Single Girder Bridge Cranes in different configurations. The figure above shows a crane with a box girder and twin drive system. We also manufacture an underslung version as shown in the figure below.

Decision regarding the configuration is made depending upon the shed dimensions and lifting requirements of the client.

Furthermore, the cranes can be offered either with an Electrically Operated Trolley (EOT) or a Hand Operated Trolley (HOT), again dependent upon the client needs and budget.

Range of Specifications -

Safe Working Load	500 kg to 12,500 kg
Spans	6 m to 18 m
Heights of Lift	As per customer specifications.
Class of Duty / Standards	Class 2, Class 3, Class 4 as per IS 3177 / IS 807. Also available as per FEM, DIN, BS or any other applicable international standards.
Speeds	Selected depending on client specifications / applications / shed dimensions
Crane Control	From floor through Pendant Push Buttons Radio Control
Drive System	Twin Drive through unique Conical Rotor type Squirrel Cage Induction Geared Motors with built-in fail safe brakes.
Motors	Unique Conical Rotor Type Squirrel Cage Induction Hoisting Motors with built-in fail safe brakes for Hoisting, Cross Travel as well as Long Travel Insulation Class for all motors B/F
Brakes	Built-in Electro Mechanical Brakes for Hoisting, Cross Travel and Long Travel motions.
Power Supply System	To Hoist and Cross Travel through Trailing Cables To Crane through Trailing Cable / MS Angle Iron Conductors / Bare Copper Conductors (depending on customer's choice)

• Optimum design ensuring minimum Dead Weight, Wheel Loads, Head Rooms and Clearances, reducing building costs.
• Forged runner wheels on Spherical Roller Bearings, resulting in long trouble free service.
• Hobbed and Run-In Heat Treated Gears machined from High Carbon Steel / Alloy Steels to ensure smooth, silent and durable service.
• Amply proportioned Main Girder and End Carriages made up of appropriate rolled sections or from rolled sections with cover plates or fully fabricated construction.
• Well proportioned Dead Axle Type Straight Tread Runner Wheels on Single Girder EOT cranes and Dead Axle Type Taper Tread Runner Wheels on Under-Slung Single Girder EOT cranes.
• Rope Drum fabricated from IS 2062 plate, fully stress relieved and all the long seams are 100% radiographed.
• Standardized sub-assemblies used for complete range ensures quick supply of spares in case of emergencies or routine maintenance.
• All exposed parts primed with Red-Oxide Zinc Chromate Primer and finished with Enamel paint to customers' color scheme.