4WBC Four Wheel Bridge Crane4WBC Four Wheel Bridge Crane
4WBC Four Wheel Bridge Crane

4WBC Four Wheel Bridge Crane

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The type A four wheel bridge crane 4WBC is a collapsible unit intended for stream discharge measurement or for stream sediment sampling from a bridge. The 4WBC can deploy Columbus weights and sediment samplers up to 70 kg. The crane is made from structural…  Read more

Brochure
Load Capacity Fully open position up to 70 kg
Material
  • Robust construction in aluminum, stainless steel and delrin materials
  • Wheels: rubber tyres
Counter Weights 4 x 22 kg counter weights included within scope of delivery. Additional weights 4WBC04-01 can be purchased separately.
Folding
  • Scissor action
Wheels
  • 2 wheels move in a lateral left or right position, parallel to the bridge rail with manual brake
  • 2 wheels for support purposes
Operating Dimensions 1800 mm long x 750 mm wide x 1800 mm arm depth (6’ long x 2.5’ wide x 6’ arm depth)
Storage Dimensions 1800 mm long x 750 mm wide x 200 mm deep (6’ long x 2.5’ wide x 0.7’ deep)

The type A four wheel bridge crane 4WBC is a collapsible unit intended for stream discharge measurement or for stream sediment sampling from a bridge. The 4WBC can deploy Columbus weights and sediment samplers up to 70 kg.

The crane is made from structural aluminum and stainless-steel material. It includes a winch mount to accommodate the WS250 or WS400 single drum winch (optional) as well as the USGS type A reel. It is easily assembled and folds down into a compact sized package for transit.

The bridge crane consists of two maneuverable wheels with a manual brake and two fixed wheels fitted to the base, as well as all the necessary supporting chassis components. When in use, the crane is set up in a fully open position with the boom arm extending out over the stream. The 22 kg counter weights (four supplied) are used as a cantilever to provide stability when the crane is deployed.

  • Robust construction
  • Easy to install and use
  • Operates in a narrow space
  • Collapsible crane for transport purposes
  • Used with weights up to 70 kg
  • Light-weight (approximately 45 kg without the winch)
  • Provided with four counterweights (each 22 kg)

The 4WBC is typically used to deploy current meters, sediment samplers or an ADCP from a bridge.

  • Discharge Measurement
  • Sediment Sampling