CAS Chassis Alignment System Automatic chassis and straddle carrier positioning increasing your moves per hour over the berth The productivity over the berth is one of the most • Traffic lights placed on crane leg at fixed important KPIs today used by terminal operators positions. to make sure that terminals are operated • Controls and indicators in the crane efficiently. More bx/h results in shorter berthing operators cabin times for the carrier and a potential to increase profit and cash-flow for the terminal operator. One important factor in the total cycle time for the Basic function quay crane is the time to locate and place the Traffic light, 3- spreader correctly above the chassis. 5 light bar ABB’s Chassis Alignment System is a laser based system for minimizing the time needed for Chassis with positioning regardless if a pick up or a set down is container performed. Further, the CAS also has the ability to 1 detect and position different types of vehicles in multiple lanes. Empty CAS 2 chassis The CAS is placed at a fixed location outside the girder between the landside and the waterside legs. 3 The laser measures Copyright © 2005 ABB. All rights reserved. the position of a 4 Empty chassis chassis from a height up to 50 m with a 3-D laser 5 Gantry drive scanner in virtually direction scans to all weather 6 indicate the stop conditions. position for the chassis Trolley scan to align trolley The mounting height enables the CAS to cover all position to the chassis lanes as well as the full length of the chassis. chassis. This enables the CAS to align chassis near the middle independent of traffic direction. of the chassis The CAS consists of: • CAS box is placed on girder and contains a The CAS can handle internal chassis and straddle laser scanner and an embedded PC with carriers but also external trucks provided that their the CAS software and communication dimensions have been loaded into the CAS library. interface CAS Chassis Alignment System The system is operator friendly both for the driver of the chassis/straddle carrier and the quay crane operator with simple and reliable interfaces. The crane operator controls: • which of the lanes is to be used • type of chassis • location of container on chassis • traffic direction – from left or right The CAS operation normal cycle The tractor/straddle carrier driver will be directed Operation starts when the trolley passes the to position his vehicle correctly in the gantry waterside sill beam. The CAS will start align the direction via the traffic lights. This can be made container onto a chassis if the spreader is loaded as independently of from which direction the vehicle soon as the trolley passes this beam. will enter the active area. Typical traffic lights are depicted below with yellow option to show direction. Green Rear Yellow 6 5 4 3 2 1 Center Red Lane select 4 Right Left Forward Yellow The CAS system has been installed in a Copyright © 2005 ABB. All rights reserved. Green The CAS is measuring and goes number of ports world-wide handling both off when CAS has found and chassis and straddle carriers. positioned the chassis. Typical savings come from removing an extra Forward yellow The correct position is far crane operator on ground assisting the crane forward of chassis. driver and/or decreasing the quay crane cycle Forward yellow The correct position is near time. and center red forward of chassis. The pay-off time is normally shorter than 1 year. Center red Position ok Rear yellow and The correct position is near rear For more information please contact center red of chassis. Rear yellow The correct position is far rear ABB Automation Technologies AB Crane Systems 3AST003458D0004 RevB of chassis. 721 59 Västerås, Sweden When the chassis is in the correct position only the red light will be turned on. Telephone +46 21 34 00 00 Telefax +46 21 34 02 90 e-mail firstname.lastname@example.org Web page www.abb.com/cranes The information in this document is subject to change without notice and should not be construed as a commitment by ABB. ABB assumes no responsibility for any errors that may appear in this document. In no event shall ABB be liable for incidental or consequential damages arising from the use of this document and products described herein. This document and parts thereof must not be imparted to a third party nor be used for any unauthorized purpose. Contravention will be prosecuted.