Bridge Girder Launching Erection Gantry Crane
Span: 30~50/m
Capacity: 60~120/ton
Trolley lifting speed: 0.8m/min
Speed of bridge transport vehicle: 8.5m/min
We accepet customized according to your actual requirements by our engineer.
Description
Bridge Girder Launching Erection Gantry Crane Description
A bridge girder launching erection gantry crane, often referred to as a bridge girder gantry crane or simply a launching gantry crane, is a specialized type of gantry crane specifically designed for the construction of bridges. Its primary function is to lift and position precast concrete or steel bridge girders into place during the bridge construction process.
bridge girder launching erection gantry crane Drawing
Bridge Girder Launching erection Gantry Crane parameter
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Bridge Girder Launching erection Gantry Crane features
- Structure: The crane features a large gantry structure with two or more vertical legs or towers connected by a horizontal beam or truss. The structure is designed to provide stability and support the lifting and positioning of heavy bridge girders.
- Lifting Capacity: Bridge girder launching gantry cranes are designed to handle extremely heavy loads. They have high lifting capacities, often ranging from a few hundred tons to several thousand tons, depending on the specific requirements of the bridge construction project.
- Span and Height: The span of the gantry crane is determined by the width of the bridge being constructed, allowing the crane to straddle the bridge deck. The height of the gantry crane can be tailored to accommodate the required lifting height for positioning the girders.
- Lifting Mechanism: The crane is equipped with multiple hoists or lifting mechanisms that work in synchronization to lift and position the bridge girders. These hoists are typically powered by electric motors and are controlled by an operator using a control system.
- Traveling Mechanism: Bridge girder launching gantry cranes are typically equipped with wheels or tracks on the legs or towers, allowing them to travel along the length of the bridge during the construction process. This enables the crane to position the girders precisely and incrementally as the bridge takes shape.
- Precise Positioning: Bridge girder launching gantry cranes are designed to provide precise positioning of the girders. They often incorporate sophisticated control systems and automation technology to ensure accurate alignment and fit between the girders and the bridge piers or abutments.
- Safety Features: Due to the nature of the heavy loads being lifted and the criticality of bridge construction, these gantry cranes are equipped with advanced safety features. These may include load monitoring systems, anti-sway controls, and multiple safety interlocks to prevent accidents and ensure safe operations.
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Matters needing attention
Bridge beam erection gantry cranes play a vital role in bridge construction projects, enabling efficient and precise erection of bridge beams. They are often custom designed and manufactured to meet the specific requirements of each bridge project, taking into account factors such as bridge design, load capacity, site conditions and safety regulations. During use, please follow the instructions
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