Weihua offers an extensive range of
overhead cranes; its 45-ton models generally fall under the category of general-purpose
overhead cranes, typically featuring a double-girder design. With a capacity classified as medium-to-large, these cranes are well-suited for heavy-duty applications in sectors such as steel production, machinery manufacturing, metallurgy, and warehousing. Mature, standard configurations for 45-ton QD double-girder
overhead cranes are also available on the market.
| Comparison Dimensions |
Traditional overhead crane |
Weihua "New Chinese-Style" overhead crane |
| Dead Weight and Factory Construction Cost |
High self-weight, increasing the construction cost of the factory building. |
Compared to traditional products, the dead weight is reduced by approximately 25%, effectively lowering the construction cost of the factory building. |
| Energy Consumption and Efficiency |
The unit has a high power rating. |
Overall energy consumption is reduced by approximately 20%, resulting in more economical operation. |
| Control and Precision |
Traditional speed control results in significant oscillation. |
The entire machine features variable-frequency speed control, ensuring smooth starting and braking; an optional precision positioning and anti-sway function is available, achieving a control accuracy of 2 millimeters. |
| Level of intelligence |
The features are relatively basic. |
Enables online monitoring and remote operations and maintenance, with a foundation for intelligent capabilities. |
A 45-ton unit falls into the category of medium-to-large bridge cranes, typically featuring a double-girder hook design. Weihua’s double-girder hook bridge cranes offer rated capacities ranging from 5 to 500 tons; the 45-ton model is thus part of a mature product line and can be customized to meet specific operating conditions.
Specifications for 45-Ton Bridge Crane
| Parameters |
Typical configuration for a 45-ton bridge crane |
| Rated lifting capacity |
45 t |
| Crane type |
Double-girder bridge crane |
| Lifting device |
Hook |
| Span |
Determined by the facility; typically 10.5–40 m |
| Lifting height |
Determined by the project; typically 6–24 m |
| Duty class |
A5 / A6 (A7 may be considered for heavy-duty applications) |
| Control method |
Ground-based remote control / Operator's cabin / Combined control |
| Speed control |
Variable frequency drive (VFD) |
| Power supply |
Configured based on project location (e.g., 380V/50Hz/3Ph, 415V/50Hz/3Ph, etc.) |
| Applications |
Steel industry, machinery manufacturing, workshops, warehouses, equipment lifting, etc. |
