View all newsletters
Receive our newsletter – data, insights and analysis delivered to you
  1. J.D. Neuhaus
19 September 2011

JDN Delivers Largest Crane System

At the end of August, JDN delivered their largest crane system constructed to date to Westcon Lofteteknikk AS (WCL)*, Norway. It was a hydraulic semi portal crane with a lifting capacity of 80t, which will be used on a drilling rig.

Crane details

Spanning 7.5m, an overall height of approximately 11.5m, and a total weight of 32t, the crane is equipped with two JDN hydraulic monorail hoists (EH 40-H) and additionally with a PROFI 6 TI-H as a service hoist.

Four JDN hydraulic drives are provided for the crane travel. The whole hydraulic energy supply system was also designed and produced by JDN. Ex-classification: Ex 3 GD IIB T4, design temperature: -20°C.

*WCL is the authorised Norwegian sole importer of JDN.

Standards and regulations

  • 2006/42/EC – EC Machine directive
  • DNV OS E101- drilling plant
  • DNV lifting appliances 2.22
  • FEM 1-001 – rules for design of hoisting appliances
  • Norsok R-CR-002 – lifting equipment

Special features

  • Survival conditions: 3° with load, 27° without load
  • Emergency lowering: emergency positioning of trolleys and crane by a back-up hydraulic pump with tank
  • Controls: electro-hydraulic switch cabinet mounted on the gangway; radio control; second operation control system if the radio control panel fails; manual operation if the electric supply fails

JDN programme expanded

The following JDN Hoists have been included in the standard programme:

  • JDN air hoists: PROFI 30 TI, PROFI 40 TI, PROFI 60 TI, PROFI 75 TI
  • DN monorail air hoists: EH 30, EH 40, EH 60

When Johann Diederich Neuhaus built his first wooden shaft winch in 1745, he presumably had no idea how decisive it would later become for the...
At its Witten location, J.D. Neuhaus, with 150 employees, produces hoists and crane systems which are mainly driven by compressed air.
NEWSLETTER Sign up Tick the boxes of the newsletters you would like to receive. The top stories of the day delivered to you every weekday. A weekly roundup of the latest news and analysis, sent every Friday. The industry's most comprehensive news and information delivered every month.
I consent to GlobalData UK Limited collecting my details provided via this form in accordance with the Privacy Policy
SUBSCRIBED

THANK YOU

Thank you for subscribing to Offshore Technology