STORM BRAKE / RAIL CLAMP TYPE VZFH-HVZ, WITH LIFTING AND POSITIONING FUNCTION
About the product
Patented: Storm brake / rail clamp with integrated lifting and positioning function.
With integrated lifting function
No contact to the rail during crane travel / Therefore no wear on clamping jaws and guide rollers during crane travel
No guide rollers for guidance the clamp on the rail during crane travel
Lateral positioning function for lowering the clamp system -(patented pending system)
Particularly suitable for fast moving crane systems
Particularly suitable for transverse travels / cross-runs
Restraining / holding forces up to 840 kN per clamp
Self acting in case of power failure
MADE IN GERMANY
VZFH-HVZ is an upgrade version of standard rail clamp type VZFH.
Features
Closing by spring force with toggle lever system – adjustable by throttle
Opening by hydraulic-cylinder (Hydraulic power unit is integrated)
Hand pump for emergency operation (manual) is supplied (standard)
Automatically closing function in case of power failure
No loss of restraining / holding force due to toggle lever transmission resulting from e.g. wear of clamping jaws (permissible measure)
Limit switch position control system “Clamp open”, “Clamp close” and alarm signal “worn clamp jaws”
Position control switch for “Clamp is in lifting position / Crane travel is possible
Vertical movement compensation of + 40 mm up to – 20 mm
Lateral compensation for rail misalignment of ± 25 mm with integrated lateral guidance system during lowering
During crane operation all parts of the clamp are positioned above the rail system / Therefore no wear of any components during crane operation