Baggage
Tray System

Application

The Daifuku Logan Baggage Tray System (BTS) is designed to handle bags in their own individual tray throughout their entire journey through the Baggage Handling System. The trays are each equipped with RFID tags which carry a unique identity which allows each tray, and therefore the bag is contains, to be positively tracked through the system. Bags loaded into trays enjoy the physical protection of the tray, together with bag jams being virtually eliminated. The trays themselves are designed to carry bags through security screening machines thereby allowing the bag to remain in the tray for its whole journey through the handling system to its make up position. Standardised trays also provide the ideal unit load basis to permit use of a wide range of storage technologies most notably advanced crane systems.

The BTS consists of modules that allow an entire baggage handling system to be built that typically mirrors and builds on the type of module often seen in conventional conveyor based systems. The system has the capability to convey bags at up to 10m/s to ensure longer journey distances, such as transfers between terminals, are completed as quickly as possible.


BTS Components

Tray

The tray is manufactured from a composite material designed to allow security screening of the bag whilst on the tray. It carries an RFID tag for positive tray tracking and forms the basis for handling the bag throughout the system. There are also 2 Out Of Gauge Tray sizes.

Tray

Material

Composite

Standard Size

850 x 1200 x 200mm

Standard Weight

12 Kg

OOG 1 Size

850 x 1750 x 200mm

OOG1 Weight

20 Kg

OOG 2 Size

850 x 2400 x 200mm

OOG 2 Weight

30 Kg

 

Bag Sizes

The range of bag sizes that can be handled in the standard and OOG1 and OOG2 trays is shown below. As bags are conveyed through the system in trays there is an inherent ability to handle bags with straps and stability issues which cannot normally be accommodated on conventional conveyor systems.

Bag Sizes

Standard

Max Size

750 x 1000 x 800mm

Min Size

150 x 150 x 75mm

Max Weight

50 Kg

OOG1

Max Size

750 x 1500 x 800mm

Min Size

150 x 150 x 75mm

Max Weight

70 Kg

OOG2

Max Size

750 x 2100 x 800mm

Min Size

150 x 150 x 75mm

Max Weight

70 Kg

 

Straight Conveyor

The straight conveyor is the basic conveyor element within the system. The twin strand belt technology provides cost effective and efficient conveying of the standardised tray design.

Straight Conveyor

Length

1500 – 7000mm

Width

850mm

Height

350mm (Min)

Speed

0.75 – 10 m/s

Motor Size

0.75 – 2.2 kW

 

Curve Conveyor

The curve conveyor allows the BTS system to navigate through building spaces using proven driven roller technology.

Curve Conveyor

Radius

2,200mm

Angle

30° , 45°

Width

850mm

Height

200mm

Speed

1 , 1.2 , 1.5 m/s

Motor Size

0.4 kW

 

Merge/Diverge

The merge and diverge units provide the main routing element with the system allowing flows to be combined and divided according to the flow requirements. It is primarily this unit which dictates the throughput achievable with the system and its class leading 2,700 tray/hour rate allows it to meet the demands of the most rigorous systems.

Merge/Diverge

Length

4,000mm

Height

350mm (Min)

Speed

1 , 1.2 , 1.5 m/s

Motor Size

0.4kW (Diverge)
0.75kW (Pop Up)
1 , 1.2 , 1.5 m/s

1.5kW (Conveyor)

0.4 kW

Throughput

2,700 Trays/Hour

 

Vertical Sorting Unit

The vertical sorting unit provides the same function as its counterpart in conventional systems, it allows a tray flow to be divided into 2 vertically separated streams based on individual tray selection or route selection. Its gentle action and space saving design maximises the system design potential.

Vertical Sorting Unit

Length

3,130mm

Height

1,340mm (Min)

Speed

1.2 , 1.5 m/s

Motor Size

0.75kW (Conveyor)
2.2kW (Switch)

Throughput

1,500 Trays/Hour

 

Stacker/Destacker

The tray stacker

Stacker/Destacker

Function

Tote Stacking for storage and destacking for use

Standard Version Throughput

900 Trays/Hour

Enhanced Version Throughput

2,700 Trays/Hour

 

Right Angle Transfer

The right angle transfer unit allows trays to be selected from the main line and removed at right angles onto a spur. This type of transfer has many applications in the BHS system but particularly suits the interface with cranes for advanced bag storage functions.

Right Angle Transfer

Length

580mm

Width

850mm

Height

300mm (Min)

Speed

0.75 , 1 , 1.2 m/s

Motor Size

0.75kW (Conveyor)
0.4kW (Pop Up)

Throughput

900 Trays/Hour

 

Inclined Conveyor

The inclined variant of the straight conveyor allows the BTS system to navigate through the inevitable height changes that will be required in a typical Baggage Handling system.

Inclined Conveyor

Length

4,000mm (Max)

Width

850mm

Height

200mm (Min)

Incline Angle

12.5°

Speed

1 , 1.2 , 1.5 m/s

Motor Size

1.5 – 2.2 kW

 

Tray Loader

The tray loader is the primary means of placing bags into trays for their journey through the system. A top loading approach is selected for its reliable operation and gentle bag handling. Bags arrive at the loading station loose on conveyor and are dynamically inducted into trays which pass underneath the loading conveyor.

Tray Loader

Load Arrangement

Tray loaded from top by conveyor

Throughput

1,800 Trays/Hour

 

Static Discharge

The static discharge is the first of the two means of discharging bags from trays at the end of their journey through the BHS, typically at the make up position. This variant offers lower throughput by stopping the tray before tilting it to discharge the bag to a transition chute back to a conventional conveyor or other chute arrangement.

Static Discharge

Length

2,275mm

Width

1,840mm

Height

1,650mm (Min)

Conveyor Length

2,100mm

Speed

0.75 , 1 , 1.2 m/s

Motor Size

0.75 kW (Conveyor)
2.2 kW (Tipper)

Throughput

1,200 Trays/Hour

 

Dynamic Discharge

The dynamic discharge is the high performance form of discharge, it achieves its performance by tilting the tray to discharge the bag whilst it is still moving thereby reducing the cycle time and enhancing the performance.

Dynamic Discharge

Length

3,100mm

Width

1,620mm

Height

1,650mm (Min)

Conveyor Length

600mm x 5

Speed

0.75 , 1 , 1.2 m/s

Motor Size

0.75 kW (Conveyor)
1.5 kW (Tipper)

Throughput

2,700 Trays/Hour

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