RAKING BRIDGE RECTANGULAR
Bridge frame:
- Hot rolled profiles with transverse and diagonal profiles;
- Hand railings:
- Upper bar, height 1,10m above tread;
- Intermediate bar at half height;
- Plinth, height 150mm, according to ARAB.
Wheel box:
- 4 guiding wheels each mounted on self-aligning ball bearings,
- dust- and waterproof;
- 4 side guide wheels to guide the bridge along the tank walls;
- All wheels are coated with the durable Vulkollan.
Drive unit:
- 2 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 scrapers
- Triangles suspended on the bridge;
- Angled pulling profiles, attached to the bottom scrapers;
- Bottom scraper blades with adjustable height;
- Suspended by stainless steel cables to the cable drums.
Surface scrapers:
- Suspended to the triangular profiles.
Drive system scrapers:
- Hollow shaft gearbox motor, oil filled, motor IP55;
- Isolation class F;
- Fitted with electrical brake motor;
- Cable drums with grooved surface;
- All bearings can be greased from the surface of the bridge.
Materials:
- Bridge: steel, with surface protection:
- Sandblasting SA 2 ½;
- Zinc spraying;
- Epoxy painting 2 layers;
- Surface finish: 2 component polyurethane paint;
- Standard color: Emerald green, RAL6001
- All parts in contact with water: AISI 304
Electrical equipment:
- All limit switches: type inductive proximity switches;
- Complete electrical control box with contactors, fuses, automatic switches, signal lamps;
- Complete wiring on the bridge;
- Electrical supply line.
