RAKING BRIDGE CIRCULAR

Bridge frame: 

• steel frame with crossbeams as reinforcement;
• Hand railings:

• Upper bar, height 1,10m above tread;
• Intermediate bar at half height;
• Plinth, height 150mm, according to ARAB;
• Width: 1m between handrails.

• Easily accessible slipring collector;
• Galvanized gratins for an overload of 300kg/m²;

Wheel box: 

• Central bearing of large diameter;
• Lubrication possible from the walkways;
• 2 wheels whit 1 drive wheel;
• All wheels are coated with the durable Vulkollan.

Drive unit: 

• 1 of the supporting wheels are driven.
• Motor-gearbox :

• Hollow shaft motor;
• Closed gearbox filled with oil;
• Hermetic motor IP55;
• Isolation class F;
• Mounted on the outside of the bridge.

Bottom scraper: 

• Rigid suspension structure;
• Bottom scraper blades with adjustable height.

Surface scrapers: 

• Mounted on the frame;
• Form: inclined to the center line of the bridge,
• for guiding of floating particle to the outside of the tank;
• Hinging part to guide the floating substances into a hopper.

Materials: 

• Bridge: steel, with surface protection

• Sandblasting SA 2 ½;
• Zinc spraying;
• Epoxy paint 2 layers;

• Standard color: Emerald green, RAL6001

• All parts in contact with water:  AISI 304.

 Electrical equipment’s:

• Obstacle detection;
• Wheel slip detection;
• Emergency stop;
• Complete cabling up to the slipring collector.