Rama Iyer Marine & Offshore division Mechanical Drives · Slide 2 General information – marine...

OTC 2010 X-pert Center

Jack-up and Marine Propulsion Gearbox/ Rig Solutions

Rama Iyer Marine & Offshore division Mechanical Drives

Copyright © Siemens AG 2010. All rights reserved

Copyright © Siemens AG 2010. All rights reservedSlide 2

General information – marine gearboxes

Power ranges from 1200 HP to 60,000 HP and above

Transmission ratios from 1.5 to 12.1

Propeller thrust bearings are built into the gearbox

One motor or one engine drive

Twin motor or twin engine drive

Generator gearboxes

Gearboxes for Dredgers

Customized solutions

One stop shop for motors, gearboxes, couplings and control systems


General information – marine gearboxes Single input / Single output gearbox

Vertical, horizontal or diagonally offset shafts.

PTO (Power Take Off) is provided to generate

Inexpensive on-board current. PTH option also available.

As standard, all gearboxes are equipped with an oil supply and monitoring system

Power rating from 1,000 to 30,000 kW

Ratio from 1.5 to 12:1.

The propeller shaft thrust bearings are fitted into the gearbox.

Housings of torsionally rigid design, which also ensures perfect meshing of the gear teeth under any condition


General information – marine gearboxes Twin input / Single output gearbox

Primary PTO’s are provided, i.e. the multiple disk

Clutches which are fitted for connecting or

Disconnecting an engine

Design with primary or secondary PTO

Quillshaft design at more than 10,000 kW

Two-speed PTO’s can be used to achieve higher

Propulsion flexibility.

Power rating from 1,000 to 45,000 kW

Ratio from 2 to 6:1


General information – marine gearboxes Generator drive gearbox

Generator gearboxes for the generation of inexpensive on-board current are built as separate gearboxes in connection with low-speed diesel engines, and are arranged in the propeller shaft line or on the main engine face.

Two-speed generator gearboxes for PTO/PTI operation also available.

Power range up to 10,000 kW


General information – marine gearboxes G-series gearbox for dredging applications

For the different dredger types like hopper suction dredgers, suction-cutter dredgers, etc., gearboxes available for:

propeller drives

cutter head drives

suction press pump drives

jet pump drives

generator drives


Drives for other marine equipments

Gearboxes also available for

Sand Pumps

Dredging applications (Cutterhead drives)

Hoists

Winches

Cranes

Bevel gear sets for Thrusters


Drives for Jack Ups


Typical layout of jacking drives

440 KIPS

6x3=18 per leg

Total 54 per rig

550 KIPS

6x3=18 per leg

Total=54 per rig

1000 KIPS

4x3=12 per leg

Total=36 per rig


Gearbox features

Jacking Torque rating from 1,000,000 in-lbs to over 25,000,000 in-lbs

Hardened and ground gears

Special ratios for specific applications

Input configuration and output pinion customization

Rugged construction for marine application


Gearbox with motor and output pinion


PLANUREX® P2PA 21 compact drive system on both sides of the Rack

Gear units for jack-up systems


Scope of supply

Gearbox

Output Pinion

Coupling

Motor

Control System

Jack case (if requested by customer)


P2PA 21 finished product


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Rama Iyer Marine & Offshore division Mechanical Drives · Slide 2 General information – marine...

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