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Pulley module for excavator

In use with high forces, weather, strong vibrations and dust

Profile

What was needed: double joints, flanged bearings, thrust washers and aluminium shafts for a pulley block module

Requirements: heavy-duty, weather-resistant bearing technology that can be used in dusty environments

Industry:construction machinery

Success for the customer: maintenance-free and reliable bearing points, plain bearings with a predictable service life; lead screw nuts for trapezoidal lead screws specifically developed for this application

Excavator with pulley module

Working at a depth of 65 metres

Excavator with pulley module

Transporting earth from up to 65m deep pits: this is made possible by a pulley block module from the French company Ets Payant, which is attached under the boom of an excavator. All components have to withstand the effects of weather, dust and heavy impactsigubal W300 double joints, iglidur P flange mounted bearings, iglidur G thrust washers

The pulley block module is designed for a conventional 40t hydraulic excavator and consists of a winch module and a hose reel. It weighs just under 7t and is fixed to the excavator boom using a quick coupling system. The system also contains a guide roller module, which is also attached to the end of the bucket of the shovel with a quick coupling system.

Used in underground railway construction

Excavator with pulley module in transport position

The excavator with pulley block module is used, for example, for building underground railway lines that run underneath the existing underground railway network. It can therefore be found in urban areas and must be as compact and easy to transport as possible. In fact, the dimensions in the transport position with the hose reels folded in are identical to those of a conventional excavator.
 
With its gripper, the excavator can carry large quantities of earth from the underground tunnels and load 5t of material in one go. The loads and forces acting on the machine are considerable. Furthermore, operating conditions are demanding for all components, such as weather, strong vibrations and dust.

Here you can find the products used

  • iglidur flanged bearing
  • iglidur thrust washers
  • igubal double joints
  • drylin lead screw nuts
  • dryspin lead screws
  • drylin linear guides

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    J. & E. Papadopoulos S.A.+30 210 4113133Write e-mail

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