Launching Gantry

 

Your Professional Launching Gantry Supplier

 

A Launching Gantry Crane is a large-scale, specialized construction machine used to hoist, transport, and precisely install precast girder segments (such as box girders or T-beams) onto bridge pier bearings during bridge construction. It is the core equipment for the rapid construction of modern bridges, especially multi-span bridges for high-speed railways and expressways.

 

 

 

 
 
Why Choose Us
 

 

01/

Production Equipment

The company owns more than 200 sets of general equipment and 330 sets of welding equipment, including over 30 sets of high-precision machinery. These include microcomputer-controlled machining centers, microcomputer-controlled nitriding furnaces, fully automatic gear testing systems, computer-controlled automatic cutting machines, automatic welding machines, and large-scale turning fixtures. A comprehensive technical support system, strict production control, standardized process flow, and advanced testing methods ensure the high quality and high output of our products.

02/

Our Service

Yufei Group provides expert guidance on equipment selection, parameter configuration, and adaptation to specific working conditions. We implement customized solutions based on customer requirements to ensure the most suitable match for their needs. We offer 24/7 technical support and troubleshooting services, and ensure the rapid replacement of core components such as hooks and electrical systems.

03/

Our Certificates

The "Yufei" brand cranes we design and manufacture have passed ISO9001 international quality certification, ISO14001 environmental management system certification, and OHSAS18001 occupational health and safety management system certification. We have also obtained a production license issued by the General Administration of Quality Supervision, Inspection and Quarantine.

04/

Production Market

Our products sell well across more than 30 provinces, municipalities, and autonomous regions in China, and are exported to over 20 countries and regions including India, Singapore, Vietnam, Congo, South Africa, Russia, Spain, South Korea, and Japan.

 
 
Launching Gantry

 

A launching gantry is a large-scale, dedicated construction equipment used in bridge building for the integral hoisting or segmental assembly of prefabricated beam segments (such as box girders, T-beams, and segmental beams). Its core characteristic is enabling the assembly-based construction of the bridge superstructure. The selection of its specific types (e.g., transport-launch integrated or segmental launching gantries) depends on the bridge design, beam type, and construction environment.

 

Launching Gantry

 
productcate-950-699
 

Characteristics of Launching Gantries

Characteristics of Launching Gantries

Transfer high-altitude work to ground-level prefabrication and rapid assembly, leading to high construction efficiency.

Factory-prefabricated girders are far superior in quality to those cast on-site, enabling more precise installation.

Significantly reduce the need for on-site support structures and formwork, minimizing impact on the environment beneath the bridge, traffic, and river ecology.

 

Applications of Launching Gantries

Launching gantries are widely used in expressway, railway, and bridge projects for:

Erecting full-span prestressed concrete box girders.

Erecting T-beams, small box girders, and steel-concrete composite girders.

Segmental girder assembly or full-span erection, adapting to complex alignments.

Segmental assembly in bridge-tunnel connected sections and cross-sea/river bridges.

productcate-950-697

 

 

 

Installation and After-Sales Service

 

 

 

 

Installation Service

Our installation process is flexible and client-centered, tailored to the specific needs of each project. We offer two distinct installation methods:

On-site Installation Guidance: Our experienced technicians can provide on-site installation guidance. They work closely with your project personnel, offering real-time support to ensure a smooth and efficient installation.

Online Installation Guidance: We also provide online installation guidance. Through video conferencing, our experts offer step-by-step assistance to ensure the installation process is executed accurately.

 

After-Sales Service

Routine Maintenance Plans: To maintain your equipment's optimal operational efficiency, we provide scheduled maintenance plans. These include regular inspections, lubrication, and timely replacement of parts.

24/7 Technical Support: Our technical support team is available 24/7 to promptly address any issues, providing remote troubleshooting or on-site assistance.

Training Services: We offer training services for operators and maintenance personnel, ensuring they possess the necessary skills for efficient operation and routine maintenance.

 

Our Certificate

 

 
productcate-1-1
 
productcate-1-1
 
productcate-1-1
ISO9001:2015
ISO14001:2015
ISO45001:2018

 

 
FAQ

Q: What is a launching gantry, and what is its core function?

A: A Bridge Launching Gantry is a large-scale, dedicated lifting equipment used for erecting prefabricated girders on bridge piers. Its core function is to enable the assembly-based construction of the bridge superstructure, allowing for the rapid and precise on-site installation of factory-precast beams (such as box girders and T-beams).

Q: What are the main classifications and types of launching gantries?

A: They are primarily classified by structure, function, and support method:
By Structure: Single-Girder Type, Twin-Girder Type, Double-Cantilever Type.
By Function: Transport-Launch Integrated Type, Segmental Launching Type.
By Support Position: Top-launching Type, Underslung Type.

Q: What is the fundamental difference between a launching gantry and a standard crane?

A: The fundamental difference lies in functional integration and purpose. A launching gantry is a dedicated system integrating hoisting, transport, precise positioning, and self-propelled span traversal for continuous girder erection along the pier line. A standard crane (e.g., a gantry crane) has a single function and is primarily used for general lifting operations within a fixed site.

Q: What are the main technological trends for modern launching gantries?

A: The primary trends are "functional integration" and "intelligent control."
Integration: Examples include Transport-Launch Integrated Gantries, which combine transport and erection functions, significantly improving efficiency.
Intelligence: The use of sensors, PLCs (Programmable Logic Controllers), and automatic control systems enables features like automatic span traversal, synchronous lifting/lowering, and millimeter-level precise positioning, ensuring construction safety and quality.

Q: What are the key factors considered when selecting a launching gantry type for an actual project?

A: Selection is primarily based on three key factors:
Bridge & Girder Parameters: Bridge span, curve radius, girder type (box/T-beam), and unit weight (tonnage).
Construction Environment: Site topography, traffic conditions, under-bridge clearance (e.g., over roads or rivers), and pier height.
Construction Planning & Efficiency: Project schedule, location and distance of the precast yard, and overall cost-effectiveness.

 

 

 

We're well-known as one of the leading launching gantry manufacturers and suppliers in China. Please feel free to buy customized launching gantry made in China here from our factory. For quotation, contact us now.