VZFH-HVZ / Spring force – Hydraulical, with lifting function

Storm brake / rail clamp type VZFH-HVZ, with lifting and positioning function

Application areas:

• Crane systems
• Offshore / Ship
• Steel industry
• Railbound hall roofs / gates

Product type:

• VZFH-HVZ / Spring force – hydraulical, with lifting function

Patent:

• Positionierungsfunktion / Zangen-Senksystem

Product description

Storm brake / rail clamp with integrated lifting and positioning function. Patent pending.

• 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 640 kN per clamp
• Self acting in case of power failure
• MADE IN GERMANY

Functional principle

• 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
• Guide rollers for guide the storm brake on the rail as used at standard type VZFH will not be integrated into type VZFH-HVZ (wear reduction, reduced maintenance and follow-up costs)

Technical benefits

• Particularly suitable of fast moving crane systems
  (over 300 m/min)
• Strongly reduced maintenance / follow-up costs
• No contact to the rail during crane travel
• No loss of restraining / holding force due to toggle lever transmission (resulting e.g. wear of clamping jaws)

{{ Reparatur }}

Additional to own brand production, RFT is specialized in repairing storm brakes / rail clamps of other brands due to in-house production flexibility.

Rail clamps show wear due to the fact that they are in use over many years, which means they no longer have the neccessary safety levels required.

• Functional analysis oft he rail clamp / storm brake
• Renewal of the clamping jaws
• Renewal of the bushes
• Renewal of the axis
• New painting
• In case of extreme steel wear the construction will be overhauled and restored into the original condition
• High-grade 2-component paint

In specific situations, the RFT can provide a storm brake as a ring exchange.Therefore the Intralogistics and safety operates smoothly and is undisturbed.

Please indicate your existing rail clamp type.

Options

• Special flange mounting
• Special construction
• Special painting of housing (Please specify RAL color)

Gallery