pfisterer präsentationslayout railway catenary … · midpoint automatic tensioning devices...
TRANSCRIPT
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PFISTERER provides a full range of products for tensioning applications
TENSIONING SECTION
TENSIONING SECTION
Midpoint Automatic Tensioning Devices
TENSOREX® PHANTOM TENSOREX® C+
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TENSOREX ®
COMPENSATING EQUIPMENT
TENSOREX ® Phantom
TENSOREX ® C+
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TENSOREX ® C+ Tensorex® C+ is a new configuration of Tensorex where spiral springs are used instead compression one.
TENSIONING DEVICES
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Tensorex®
C+
TENSIONING DEVICES
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FOCL = ƒ(T/R)
T[Nm]
T1
T2
shaft rotation [rad]
F OCL
OCL movement
R
F OCL
Shaft
Fixing spring
TENSIONING DEVICES
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Side frame
Variable pulley
Carters
Stainless steel rope
Spiral springs
Rolls bearing
Pulley joint
Support connection
TENSIONING DEVICES
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Material: steel alloy 51CrV4 Protection: phosphate coat - greased
Shaft Hook
TENSIONING DEVICES
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600mm
600mm
Family 450: 320mm Family 750: 390mm
Support for anchoring in according to the pole shape
TENSIONING DEVICES
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TENSIONING DEVICES
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Tensorex C+ : advantages and markets
TENSIONING DEVICES
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Very compact, small size a. Easy and fast handling from stock to installation site ( costs and industrial injury reduction ) b. Fast installation, 1 hour ( costs reduction ) c. It could be lifted up to the pole’s head by a tackle. No needs of crane d. Low visual impact ( appreciate in cities, rail stations, bridges .., crowded areas)
Device without weight
a. Free space at ground level around the pole ( free moving of people without risk ) b. Vandalism proof ( costs reduction )
Maintenance
a. No requested (maintenance costs reduction)
Accuracy a. Low hysteresis effect over pull [P] value. ( it keeps OHL in geometry, so good electrical contact
and wear reduction )
TENSIONING DEVICES
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Purely mechanics a. It doesn’t need power supply or /and refill oil or gas. No influence from the temperature
variation
Safe and monitoring a. It’s possible to provide a monitoring system that read pull, position and temperature values
remote them to the office
TENSIONING DEVICES
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Approval processes Italy – RFI approval 2011 Italy – FNM Germany – DB approval 2012 Germany – Berlin and Leipzig tramways lines Netherlands – GVB,RET and HTM approved Netherlands – ProRail approved Czech Republic Railways - Brno concluded – approval on the way Hungary – Test on field Byelorussia - Test on field UK - Network Rail - approved Sweden – BV approved Poland – Approved in Cracow and Warsaw tramways lines Spain – Adif starting approval process France – SNCF pulling test planned within 2010
TENSIONING DEVICES
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Installation references
TENSIONING DEVICES
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FNM S-line Milan-Saronno ( Italy )
TENSIONING DEVICES
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Berlin Straßenbahn BVG ( Germany )
TENSIONING DEVICES
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Tikkurila ( Finland )
TENSIONING DEVICES
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Pasila ( Finland )
TENSIONING DEVICES
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MATTER HORN GOTTHARD BAHN
TENSIONING DEVICES
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TENSOREX ®
Tensorex® is a patented automatic tensioning device for maintaining constant the pull of railway contact wires and/or messenger wires, during their elongation or contraction, due to temperature variations along day and night, summer and winter.
TENSIONING DEVICES
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TENSOREX ® Comparing with the traditional weight-tensioning-counter weight-, Tensorex® does not occupy space vertically or laterally, as it is installed overhead, in series to the wire.
One device only is suitable for a variety of span lengths and temperature variations.
TENSIONING DEVICES
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TENSOREX ® - PRINCIPLE
Spring Pulleys Spring Force
Line Force
TENSIONING DEVICES
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TENSOREX ® - PRINCIPLE
When the Temperature goes down thermal contraction
When the Temperature goes up thermal dilation
Spring Travel Spring Force Constant Line Force
Rfix x Fspring = Rvariable x Fline
TENSIONING DEVICES
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TENSOREX ® Phantom Phantom is the evolution of Tensorex ® for the automatic tensioning for tramway and trolleybus catenary. Phantom can also be installed in railways station where automatic tensioning is needed in order to reduce the visual impact. Phantom is a Tensorex ® mounted vertically inside a street pole.
TENSIONING DEVICES
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Balance Pulley
References: ADIF, AVE
COMPENSATING EQUIPMENT
RT-100 UV
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End clamp
Cable Diameter Sliding load test GA.10.8 Steel Ø 8
GA.10.12 Steel Ø 12
References: ADIF, DB, AVE
Material: Aluminium Alloy Production: Casting
COMPENSATING EQUIPMENT