The resilient BVV wheel with element-shock absorber (two part design)

The most successful wheel concept for local public transport

BVV wheels with element shock absorber define the worldwide standard for resilient wheels on the normal route. They are safe, comfortable and gentle on vehicles, travel routes and adjacent buildings. Mileage and operating toughness are extremely high, the service is exemplary. Accordingly, customer satisfaction and worldwide acceptance are correspondingly high. The design principle, in which specially fitted rubber elements decouple the wheel tyre from the wheel rim and spring the construction, has been identical for all our normal-suspension wheels since Bo 54, the prototype of the globally successful resilient Bochum wheels.

Light weight

Wheel rim made of weight-saving special steel

Low-noise

Integrated noise damping with special high-damping rubber compounds and individually tuned absorbers for a noise reduction of up to 30 dB(A)

Durable

Wheel tyres made of high-tech materials of Excelsior® N, H or SO qualities reduce wear and fatigue damage

High availability

Torsion-proof element shock absorber with high primary stress as well as fatigue-resistant tyres and rubber elements ensure trouble-free operation

Variable

On track and carriage concept with individually tuned suspension behaviour

Easy to service

Maintenance-free rubber elements, tyre changing and fast and easy assembly

The design principle

1
Easily by specially hardened steel – Use of high strength special steels for wheel body and wheel rims. Design and materi-als are designed for longevity and weight reduction
2
Space-saving – The assembly of the rubber elements between the wheel tyre and wheel rim without addi-tional screwed connections and the like ensures minimal space and is thus particularly suitable for modern low-floor vehicles with wheel hub motors or loose wheel bearings
3
Non-rotating rubber elements – Individually designed rubber elements with special long-life rubber compound for max-imum durability over the entire service life, Non-rotating due to high primary stress and tailor-made cut
4
Matched suspension behaviour – vertical deflection, individually tailored to tracks and carriage concept up to mm 1.2 mm with 60 kN wheel force.
5
Route protection – Reduced unsprung masses reduce wear and tear to the vehicle and track system and prevent oscillations and shocks in adjacent residential areas.
6
Integrated noise damping – Significant noise reduction through the decoupling of wheel tyres and wheel rim by rubber element shock absorber with special rubber
7
Long-lasting tyres made of special steel – Wheel tyres in the tried and tested N, H or SO Excelsior grades reduce wear and fa-tigue damage and guarantee maximum mileage, Optional: Standard quality according to UIC and ASTM
8
Optional: High-performance absorber – Individually tuned high-performance absorbers reduce noise caused by going around bends by up to 30 dB (A), maintenance-free BVV mounting system
9
13 tonnes and more per wheelset – Designed for high continuous load and high axle loads
10
Extended safety concept – Additional limiting shoulders can be used to limit the cross spring deflection, even in the case of extraordinary loads
11
Current bridges – Specially designed current bridges for safe power transmission between wheel rim and wheel tyres

Selection of previously manufactured wheel types

Abb. Bo 54

Bo 54 und Bo 011

Both types of wheels follow the “original type” design principle of the resilient Bochum wheel and come with the least possible number of components: Wheel rim, wheel tyres and rubber spring mounting. Wheel rims and additional retaining screws for fixing the rubber spring mounting are omitted here, the assembly of the tyre takes place with a special press-in device.

The unmistakable core of the design is the rubber elements, which are individually designed according to the application. The shock absorber is highly pre-stressed and placed between the tyre and the rim, according to the specific requirements, reduces noise production and body-conducted noise.

Abb. Bo 011

Both types of wheels are particularly suitable for limited space conditions and can be individually adapted to customer-specific requirements at any time. For example, in Bo 011, the significant increase in vertical deflection of the shock absorber element, significantly improves shock absorption. This makes the wheels very well suited for particularly crucial travel routes.

Please tell us about your particular requirements.

How should we construct your wheelset?

Each track and carriage format poses different challenges to wheels and wheelsets. Therefore, the wheel types shown are not a standard offer to which you need to adapt, but specimens that you can individually design with us together and further expand.

Please don’t hesitate to contact us.

1
Variable wheel body/rim – Individual material selection: BVV special steels of different grades, Individual design of the wheel bodies, with and without drive/brake disc attachment for conventional wheelsets and loose wheel bearing etc.
2
Variable rubber elements -Wide range of rubber shapes -Load carrying capacity matched to the loads -Individually tuned shock absorbing characteristics -Thermally stable up to 130 °C -Compliance with fire protection requirements according to EN 45545
3
Variable wheel tyre -Material: ExcelsiorR N, H, SO or according to customer specifications -Diameter: from 350 to 950 mm
4
Variable current bridges -Individual in terms of interpretation and number
5
– Optional: High-performance absorber – Individually tuned high-performance absorbers reduce noise caused by going around bends by up to 30 dB (A) – Maintenance-free BVV mounting system