GB/T 4549.5-2004Railway vehicle vocabulary - Part 5: Car body (English PDF)

2.1 Car body

The part of a vehicle that accommodates passengers, goods, servicing equipment and the like. It is supported by the running gear and serves mainly to carry the load.

2.2 Stainless steel car body

A car body whose load-bearing members are made wholly or mainly of stainless steel.

2.3 Aluminum alloy car body

A car body whose load-bearing members are made wholly or mainly of aluminium alloy.

2.4 Tank

The closed container of a tank car used to carry liquids, liquefied gases or powdered goods.

According to the mounting arrangement, tanks are divided into vertical tanks and horizontal tanks.

2.5 Dumping box

The load container of a dump car, supported by the underframe, which can be tipped to discharge the load.

It normally consists of the box underframe, the end walls and the side walls.

2.6 Steel structure

A car body structure made of metallic materials.

2.7 Interior decoration

The structure fitted inside the steel structure of the car body to finish the interior and to carry other components. Examples: roof interior finishing, side wall interior finishing.

2.8 Steel-wood composite structure

A structure made up of load-bearing steel beams and posts combined with wooden beams, posts and/or wooden boards.

2.9 Thin-shelled cylindrical structure

A structure whose cross-section is closed and tube-like. Examples: the steel body structure of an all-steel passenger car, the structure of a tank.

2.10 Steel framework

The car body framework made up of load-bearing members such as beams and posts made of steel.

2.11 Wooden framework

A framework made up of members such as beams and posts made of timber, used to mount the wooden wall boards, ceiling boards, floor boards and interior equipment.

2.12 Eaves watershed

A pressed member that prevents rainwater from running off the roof onto the side walls or side doors.

2.13 Water tank supporting beam

In an overhead water supply system, the beam provided to support the overhead water tank.

2.14 Hopper

The device of a hopper car used to discharge the load.

2.15 Hatch

An opening provided for lifting heavy equipment in and out.

2.16 Loading hatch

Generally, the loading opening on the roof, normally fitted with locking and lead sealing devices.

2.17 Ventilate device

A device in a tank used to balance the pressure between two separated spaces.

2.18 Drain tap

A valve fitted in the upper air chamber of a powdered-goods tank car to release the compressed air used for unloading.

2.19 Manhole

An opening in the upper part of a tank through which workers can enter and leave.

2.20 Steam jacket

A device in the lower part of a tank provided to contain heating steam.

2.21 Equipment cabin

A box-type enclosure that encloses the equipment under the underframe, to reduce the running resistance of the train and to protect the underfloor equipment.

3.1 End wall

The component, connected to the underframe, that forms either end of the car body.

3.2 Inner end wall

On a vehicle with an enclosed vestibule, the end wall between the vestibule and the passenger compartment.

3.3 Outer end wall

On a vehicle with an enclosed vestibule, the outermost end wall of the car body.

3.4 End sheathing; end wall plate

The plates that make up the end wall structure.

By material they are divided into metal end wall plates and non-metallic end wall plates.

By position they are divided into outer (end) wall plates and inner (end) wall plates.

3.5 Cross band

A strip-shaped member fitted horizontally on the end wall to increase its strength and stiffness.

4.1 Side wall

The component, connected to the underframe, that forms a side of the car body.

4.2 Side waistband

A strip-shaped member fitted horizontally on the side wall to increase its strength and stiffness.

4.3 Belt rail of side waistband

The waistband between the lower wall plate and the pier plate between windows.

4.4 Top rail of side waistband

The waistband between the pier plate between windows and the upper side plate.

4.5 Side sheathing; side wall plate

The plates that make up the side wall structure.

By position they are divided into outer (side) wall plates and inner (side) wall plates.

By material they are divided into metal side wall plates and non-metallic side wall plates.

4.6 Movable side wall

An assembly in which the whole side wall is non-fixed, that is, made up of movable doors.

4.7 Partition wall

A component that divides the internal volume of a vehicle into two or more parts.

4.8 Side brace

A member used to increase the stiffness of the side wall.

5.1 Underframe

The base component of the car body, used mainly to carry longitudinal and vertical loads.

5.2 Draft sill

The portion of the centre sill between the body bolster and the end sill in which the coupler and draft gear are mounted.

5.3 Fish-belly sill

A sill whose cross-section is deeper in the middle than at the ends, giving it a fish-belly shape.

5.4 Lowered draft sill

A sill whose cross-section is deeper at the ends than in the middle.

5.5 Schnabel

The girder members of a schnabel car that grip the load or the load-carrying frame.

5.6 Floor

The plates that make up the underframe structure. By material they are divided into metal floors and non-metallic floors.

5.7 Corrugated floor

A metal floor whose cross-section is corrugated (for example trapezoidal).

5.8 Jacking pad

A seat provided for lifting the car body.

5.9 Hauling hook

A hook used for hauling the vehicle when moving it.

5.10 Accessory of underframe

The hangers, seats and brackets under the underframe used to mount underfloor components such as the brake equipment.

6.1 Roof

The part of the car body above the upper side sill of the side walls or the upper end sill of the end walls, supported by the side walls and end walls or by the side posts and end walls.

6.2 Mobile roof

A roof that can be moved.

6.3 Roof sheet

The plates that make up the roof structure.

By material they are divided into metal roof sheets and non-metallic roof sheets.

By position they are divided into outer (roof) sheets and inner (roof) sheets.

6.4 Ceiling

A panel that conceals the equipment or spaces in the upper part of the car body interior.