Crane Structure
The Crane bridge girder, end carriage and crab are manufactured of rolled section with box plate design. All the main butt weld joints are strong & rigid structure thus 100% reliability of welded joint is ensured. The material of construction confirms to IS: 2062-1992.
Wheel Assembly
Long travel & cross travel wheels are straight threaded & double flanged forged steel & are heat treated to a depth of 15.20 mm. Wheels are supported on ant -functional ball & roller bearings & special block of 'L' type design for easy maintenance.
Gear Box
Totally enclosed oil immersed & splash lubricated reduction gears of rugged wide faced helical & spur gears that are precision machine cut from special alloy steel furging. Gears & pinions are supported on antifriction ball/ roller bearing to protect gear train from shock loads.
Brake
Brakes designed are of electro-hydraulic thruster brakes particularly for use in overhead traveling cranes located suitably. In traveling motions electro magnetic fail-to-safe shoe / disc type brakes are mounted directly on motors.
Coupling
Flexible geared coupling are provided between gear box & motor to compensate miss alignment in double girder cranes. All geared coupling are provided between gear box and wheels in long travels & cross travels.
Rope Drum
Made up of seamless pipe and machine pipe grooved mounted on self-align ball bearings for smooth running. Rope guide is provided for winding of rope in drum groove.
Controls
Pendant control from the floor, master control switches & master controllers in the drivers cabin can be provided. Radio remote control can also be provided on request.
Limit Switch
To prevent over hoisting & over lowering of hook. Maintenance Maintenance platform with hand railing on drive side is provided.