40Ton Span 22.5M European Style Double Girder Overhead Crane End
Carriage
Technical Parameters:
| Drive System | Standard three-phase asynchronous motor + hardened tooth surface
reducer |
| End Beam Design | Open tooth transmission with gear-rack meshing drive |
| Applicable Main Beam Span | 22.5 meters |
| Safety Protection | Limit switch, buffer device, overload protection |
| Warranty | 12 Months |
| Braking Device | Normally closed electromagnetic brake for automatic locking |
| Condition | New |
| Wheel Set | Equipped with cast steel wheels, adapted to QU-type tracks |
| Carrying Capacity | 40tons, suitable for medium industrial scenarios |
| Adaptability | High-strength bolt connection with the main beam, expandable
configuration |
1. Lightweight and compact design (core European features):
High-strength materials: A large amount of high-strength steel is
used, which significantly reduces the weight of the end beam itself
while ensuring the load-bearing capacity and rigidity.
Optimized structure: The end beam structure is optimized by finite
element analysis, and a reasonable box beam or combined beam
structure is adopted to avoid redundant materials and achieve a
compact volume.
Small wheel diameter: European designs tend to use wheels with
relatively small diameters (but still meet the wheel pressure
requirements), which reduces the overall height and weight of the
end beam.
Compact drive unit: A highly integrated "three-in-one" drive
mechanism is adopted, which is compact.
2. Highly integrated "three-in-one" drive mechanism:
Integrated design: The drive motor, brake and reducer are highly
integrated into a compact drive unit module. This is one of the
most iconic features of the European end beam.
Advantages:
Easy installation and maintenance: Overall disassembly and
assembly, quick on-site installation and commissioning, and
convenient later maintenance and replacement.
Space saving: Greatly reduces the space occupied by the drive part
in the end beam.
Reliable performance: The mature three-in-one unit produced by
professional manufacturers has good matching and runs smoothly and
reliably.
Reduced components: The traditional open gears, long drive shafts,
couplings and other intermediate transmission links are eliminated,
reducing the failure points.
3. Optimized wheel arrangement and load:
Double-wheel or four-wheel design: For larger tonnages such as 40
tons, the end beam usually adopts a double-flange wheel x 2 sets (a
total of 4 wheels) design, or even an 8-wheel design (two balancing
trolleys on each side, two wheels on each trolley). This can
effectively disperse the wheel pressure, adapt to larger tonnage
loads, reduce the pressure on the track, and reduce the cost
requirements of the track and foundation.
High-strength wheels and bearings: The wheels are made of
high-quality cast steel or forged steel, and the surface is
quenched to improve wear resistance and load-bearing capacity.
Bearings usually use heavy-duty spherical roller bearings, which
can withstand large loads and allow a certain amount of track
installation errors.
Angular bearing box: The wheels are usually installed in angular
(or square) bearing boxes, which are convenient for adjusting the
horizontal and vertical deflection of the wheels, ensuring good
contact between the wheels and the rails and reducing the
phenomenon of gnawing the rails.
4. Strong and stable box beam structure:
The main body of the end beam is usually a closed box structure
welded from steel plates, which has excellent bending and torsional
rigidity, can effectively withstand various dynamic loads during
crane operation (especially the horizontal inertia force when the
trolley starts and brakes) and the torque generated by possible
skew operation, ensuring the stability and operation accuracy of
the whole machine.
