HYDRAULIC FRICTION BUFFER STOP
HYDRAULIC FRICTION BUFFER STOPS PRODUCT DETAILS PRODUCT ADVANTAGES Oleo’s hydraulic friction bu er stop range is • Fitted with Oleo gas-hydraulic bu er • Each gas-hydraulic bu er is designed for high velocity mainline suitable for the application. optimised based on the specification to o er maximum protection to scenarios and minimises the need to reset • Multiple bu ers fitted in parallel for passengers, rolling stock and the device after each minor impact. side bu er impacts. infrastructure. Once impacted, the bu er stop dissipates • Frame size and shape dependent on • Gas-hydraulic bu ers designed to the energy in a controlled manner, reducing specification and coupling interface. absorb low energy impacts without initial force and deceleration levels through • Friction shoes installed directly to the sliding – reduces need to reset a combination of both gas-hydraulic bu ers rail profile and also detached from device. and the sliding action of the friction shoes the main end stop frame. • Minimal maintenance required. which grip onto the rail profileg. • 50kN of braking force per pair of • Controlled and reduced sliding friction shoes. distances for high velocity impacts. • Number of friction shoes dependent • Purely mechanical device – on the train mass, impacting speed no power or manual control required. and required deceleration. Site supervision and training • Suitable for a wide range of rail provided by Oleo professional engineers profiles. for the installation of bu er stops. • Simple resetting procedure. • Long service life. • Additional configuration options available including electrical insulation, paint finish and galvanisation. • DigitalTrains’ sophisticated simulation capability can be used to understand how the train interfaces with rail infrastructures, such as bu er stops. HYDRAULIC FRICTION BUFFER STOP DESIGNS
B U S EXAMPLE APPLICATION - LARGE FRAME FOR HIGH SPEED F P F E R ST O
L (Track Occupied) Reflecting Sign (Red) ) up le r o f c End of Track g ht o +-0.00
(He i (Top of rail) H
1435
SPECIFICATION
• Contains one pair of anti-climber shoes, two Oleo Type 9 hydraulic bu ers and one set of XCD fixed stop friction shoes. • Impacting point from the top of rail (coupler height) mm (720 – 660 – 824).
Examples for conditions and installation length:
With Recoverable Configuration passengers Train mass Impacting speed Installation length Impact capacity stroke 8 Cars ✓ 510t 25km/h 25m 448kJ 400mm
8 Cars - 300t* 25km/h 18m 448kJ 400mm
8 Cars ✓ 510t 15km/h 15m 448kJ 400mm
6 Cars ✓ 380t 25km/h 15m 448kJ 400mm
6 Cars - 220t* 25km/h 15m 448kJ 400mm
6 Cars ✓ 380t 15km/h 15m 448kJ 400mm
* Testing line train mass.
Email: [email protected] Tel: +44 (0)24 7601 5140
LEADING THE WORLD www.oleo.co.uk www.oleo.cn www.oleo.co.in www.digitaltrains.online Incorporating Oleo world leading IN TRAIN SIMULATION SOFTWARE Metric Issue 2 – November 2019 Gas Hydraulic Technology