Box girders made from IS 226 plates. Intermediate long and short
diaphragms and stiffeners for proper stress distribution are provided.
Antivibration design. Rails fixed on top flange.
Rope drum driven through horizontal gear box and slip ring motor.
Fabricated Rope drum has machine cut grovees. Totally enclosed oil
immersed gear box with helical teeth. Flexible gear connection between
rope drum and gear box.
Cross Traverse Mechanism:
Wheels driven through vertical gearbox and squirrel cage motor through
floating shafts. Totally enclosed oil immersed gearbox. Flexible geared
coupling drive for Input and Output.
Long Travel Mechanism:
Twin drive for spans more than 10 M, Wheels driven through horizontal
gearboxes and Slipring motors. Totally enclosed oil immersed gear boxes.
Flexible geared coupling for Input and Output connections.
Festoon Cable System
VIR-TRS flexible cables fixed on retractable roller type trolleys.
mounted on drive side platform.
control arrangement through driver's cabin or
pendent push button station suspended from bridge or trolley.