A cantilever gantry crane is a specialized lifting equipment designed for efficiently handling materials in various industrial settings. What distinguishes a cantilever gantry crane is its unique structure, featuring a horizontal cantilever beam extending beyond its supporting legs. This design allows the crane to reach and lift loads located outside its framework, making it particularly useful for scenarios where obstacles or obstacles limit direct access.
Types of Cantilever Gantry Crane
The cantilever gantry crane can be divided into single girder and double girder cantilever gantry crane based on their girder configuration. There are some other kinds of cantilever gantry crane. They are container gantry crane, rail-mounted gantry crane and straddle carrier crane.
Single Girder Cantilever Gantry Crane
There is one model of single girder cantilever gantry crane, the AQ-MH single girder gantry crane. Commonly, single girder gantry crane can have one or two cantilevers. The crane with one cantilever has shorter lifting distance than the crane with two cantilevers.
AQ-MH
The AQ-MH gantry crane is designed for material handling operations with a moderate-duty focus. Commonly, single girder gantry crane can have one or two cantilevers. The crane with one cantilever has shorter lifting distance than the crane with two cantilevers.
| Technical Parameter of AQ-MH Electric Hoist Gantry Crane | ||||||
| Capacity | t | 3 | 5 | 10 | 16 | 20 |
| Span | S(m) | 8~35 | 8~35 | 8~35 | 8~35 | 8~35 |
| Lifting height | m | 6~18 | 6~18 | 6~18 | 6~18 | 6~18 |
| Lifting speed | m/min | 8（0.8/8） | 8（0.8/8） | 7（0.7/7） | 3.5（0.35/3.5） | 3.3（0.33/3.3） |
| Trolley speed | m/min | 20(30) | 20(30) | 20(30) | 18 | 14 |
| Crane speed | m/min | 20(30) | 20(30) | 20(30) | 20(30) | 20(30) |
| Work duty | A3~A4 | A3~A4 | A3~A4 | A3~A4 | A3~A4 | |
| Track type | P24 | P24 P30 | P30 P38 | P38 | P38 P43 | |
Double Girder Cantilever Gantry Crane
There are two types of double girder cantilever gantry crane. They are AQ-MG and AQ-MDU. Compared with single girder gantry crane,double girder gantry cranecan lift heavier materials and has higher performance.
AQ-MG
The AQ-MG is an A-type double girder gantry crane, is commonly utilized outdoors for the hoisting of containers or large loads. Featuring a generous gap between its two legs, this outdoor gantry crane offers great convenience for loading and unloading materials.
| Technical Parameter of AQ-MG Double Girder Gantry Crane | ||||||
| Capacity | t | 5 | 10 | 16 | 20 | 32 |
| Span | S(m) | 18~35 | 18~35 | 18~35 | 18~35 | 18~35 |
| Lifting height | m | 6~18 | 6~18 | 6~18 | 6~18 | 6~18 |
| Lifting speed | m/min | 11.5 | 8.5 | 7.9 | 7.2 | 6 |
| Trolley speed | m/min | 37.2 | 37.4 | 40.1 | 40 | 37 |
| Crane speed | m/min | 37.7 | 37.7 | 40.1 | 40.1 | 38 |
| Work duty | A3-A7 | A3-A7 | A3-A7 | A3-A7 | A3-A7 | |
| Track type | P43 | P43 | P43 QU70 | P43 QU70 | P50 QU80 | |
| Capacity | t | 50 | 75 | 100 | 160 | 200 |
| Span | S(m) | 18~35 | 18~35 | 18~35 | 18~35 | 18~35 |
| Lifting height | m | 6~18 | 6~18 | 6~18 | 6~18 | 6~18 |
| Lifting speed | m/min | 5.9 | 4.7 | 3.9 | 3.5 | 3.5 |
| Trolley speed | m/min | 31.3 | 38.2 | 33.9 | 22.5 | 29 |
| Crane speed | m/min | 44 | 38.3 | 32.3 | 28 | 28 |
| Work duty | A3-A7 | A3-A7 | A3-A7 | A3-A7 | A3-A7 | |
| Track type | QU80 | QU80 | QU100 | QU100 | QU100 | |
| Capacity | t | 250 | 320 | 400 | 450 | 500 |
| Span | S(m) | 18~35 | 18~35 | 18~35 | 18~35 | 18~35 |
| Lifting height | m | 6~18 | 6~18 | 6~18 | 6~18 | 6~18 |
| Lifting speed | m/min | 2.2 | 2.3 | 1.5 | 1.5 | 1.5 |
| Trolley speed | m/min | 28 | 16.6 | 10 | 10 | 11.5 |
| Crane speed | m/min | 50 | 28 | 18 | 18 | 16 |
| Work duty | A3-A7 | A3-A7 | A3-A7 | A3-A7 | A3-A7 | |
| Track type | QU120 | QU120 | QU120 | QU120 | QU120 | |
AQ-MDU
The AQ-MDU is a U-type double girder hook gantry crane crafted for general loading, unloading, and lifting operations in open-air freight yards and railway settings. Its innovative design features an expanded trolley gauge, providing greater leg space and rendering it especially adept at handling larger objects with ease.
| Technical Parameter of MDU Double Girder Gantry Crane | |||||||
| Capacity | t | 10 | 16 | 20 | 32 | 40 | 50 |
| Span | S(m) | 18~35 | 18~35 | 18~35 | 18~35 | 18~35 | 18~35 |
| Lifting height | m | 6~18 | 6~18 | 6~18 | 6~18 | 6~18 | 6~18 |
| Lifting speed | m/min | 13.3 | 7.9 | 7.2 | 6 | 5.9 | 5.9 |
| Trolley speed | m/min | 37.4 | 40.1 | 40 | 37 | 31.3 | 31.3 |
| Crane speed | m/min | 41 | 40.1 | 44 | 40.1 | 40.1 | 40.1 |
| Work duty | A5-A6 | A5-A6 | A5-A6 | A5-A6 | A5-A6 | A5-A6 | |
| Track type | P43 | P43 QU70 | QU70 | QU80 | QU80 | QU100 | |
Container Gantry Crane
A container gantry crane with a cantilever is a specialized lifting equipment designed for efficient container handling in maritime and logistics settings. The cantilever feature of this container gantry crane provides flexibility in reaching containers situated at varying distances and positions. This makes it particularly advantageous for container terminals or yards where obstacles or limited access might impede direct access to certain loading points. The combination of the gantry crane’s robust lifting capacity and the cantilever structure contributes to streamlined and adaptable container handling operations, optimizing efficiency in the logistics and shipping industry.
Rail-mounted Gantry Crane
A rail-mounted gantry crane with a cantilever is mounted on rails for horizontal movement. This rail-mounted gantry crane is particularly well-suited for handling heavy loads, including containers and large equipment, with precision and versatility. The rail-mounted design ensures smooth and stable movement along tracks, allowing for efficient navigation within industrial facilities such as warehouses, manufacturing plants, and shipping yards. The addition of a cantilever further extends the crane’s reach, making it suitable for scenarios where obstacles or spatial constraints may exist.
Straddle Carrier Crane
The straddle carriers are a heavy duty gantry cranes. The straddle carrier excels in multifaceted applications, such as precast construction and tunneling projects. Some of them are equipped with a cantilever structure, further enhancing its capabilities. The incorporation of a cantilever extends the carrier’s reach and flexibility, making it even more adept at addressing specific material handling challenges in a variety of industrial settings.
Customer Cases of Cantilever Gantry Crane
Here are three cases of Aicrane providing cantilever gantry crane for our customers.
45 Ton Cantilever Container Gantry Crane in Kazakhstan
In the year 2022, Рената, a representative from a logistics company in Kazakhstan, discovered Aicrane through a Google search while searching for gantry cranes suitable for efficient container handling at railway yards. With a specific focus on lifting 20-foot, 40-foot, and 45-foot shipping containers, she initiated inquiries about a portal gantry crane to optimize logistics operations.
Tailored Solution Development
Recognizing the necessity for a high-efficiency solution due to a substantial daily container handling volume ranging from 100 to 120 units, Aicrane collaborated closely with Рената. Through two rounds of solution development, the 45 ton rail-mounted container gantry crane for Kazakhstan was customized to meet the specific demands of the logistics company. With a maximum load capacity of 45 tons, a rail span of 32 meters, and a height of 12.5 meters, the crane was meticulously designed for optimal coverage and versatility in container terminals.
Seamless Production and Delivery
Upon receiving the initial payment, Aicrane promptly initiated the production process, providing weekly progress updates to the client. Rigorous quality control measures were implemented, and components were meticulously packaged to ensure secure international transport. The gantry crane successfully arrived in Almaty.
Efficient Installation and Operation
In response to Рената’s installation request, Aicrane facilitated engineer visa approvals and arranged travel within a week. Aicrane’s engineers provided hands-on guidance during the installation and commissioning process. Presently, the 45 ton RMG for Kazakhstan operates flawlessly in Almaty, earning commendation from Рената.
20 Ton AQ-MH Cantilever Gantry Crane for Railway Station
Aicrane’s MH 20 ton single girder gantry crane was successfully installed and commissioned for a client in Kazakhstan, catering to the vital task of loading and unloading steel materials at railway stations.
Technical Specifications
The AQ-MH crane features a 32-meter span, a lifting height of 15.6 meters, and operates at classification A3. Equipped with advanced features like remote control capabilities, this 20 ton gantry crane enhances operational efficiency and adheres to strict safety protocols. Effective cantilevers, measuring 8 meters on one side and 14 meters on the other, provide versatility in handling various loads. The unique single-side pull rod structure ensures stability, and the design accommodates challenging conditions, with a special provision for constant tension cable reel power supply suitable for temperatures as low as -40°C.
Client Collaboration and Customization
Aicrane collaborated closely with the client in Kazakhstan to meet specific requirements, building on successful partnerships with other clients in the region. Previous projects, including a 45 ton rail-mounted gantry crane and a 32 ton European double girder gantry crane, demonstrated our reliability as a crane manufacturer.
Seamless Execution and Quality Assurance
Our project manager and professional technician traveled to Kazakhstan to inspect the installation and commissioning, ensuring a seamless and quality-assured process.The AQ-MH 20 ton single girder gantry crane for Kazakhstan is designed for the efficient loading and unloading of steel materials at railway stations. The client expressed satisfaction with the precise engineering and thoughtful design, making it an ideal fit for the steel industry’s demands.
5 Ton Grab Gantry Crane with Cantilever in Thailand
Aicrane recently supplied and successfully installed a 5-ton grab gantry crane with a cantilever for a customer in Thailand. This cantilever grab crane is specifically designed for lifting and moving coal and pulverized coal efficiently.
Installation Process
Our professional after-sales service team collaborated seamlessly with local workers and Aicrane engineers to ensure the smooth installation of the 5 ton grab gantry crane for Thailand. With free online installation guidance provided by our experts, the process was completed efficiently.
Advantages of the 5 Ton Grab Gantry Crane
The crane is equipped with a grab suitable for handling special materials, and we offer customized services to meet specific needs. This crane has an electric room which ensures the safe operation of the crane, prioritizing user safety. The frequency converter allows for different material-moving speeds, enhancing operational flexibility. Thailand usually rains a lot. The running motor rain cover protects the motor from the elements on rainy days.
Customer Feedback
Our satisfied customer in Thailand praised the 5 ton gantry crane, expressing great satisfaction with its performance. Their positive feedback included a strong desire for future collaborations, emphasizing the high quality of our products and the excellence of our services.
Applications of Cantilever Gantry Crane
A cantilever crane is a specialized lifting equipment distinguished by its unique design, featuring an extended horizontal beam (cantilever) that projects beyond its support structure. Cantilever industrial gantry cranes find diverse applications across various industries due to their unique features and capabilities.
- Construction Industry:Cantilever cranes are commonly employed in the construction sector for tasks such as lifting and placing heavy construction materials, prefabricated components, and structural elements. Their extended reach and flexibility make them valuable for navigating complex construction sites and reaching into specific areas with restricted access.
- Shipbuilding and Maritime Operations: In shipyards and maritime environments, cantilever cranes are utilized for lifting and assembling large ship components, containers, and heavy machinery. Their ability to extend over the side of a ship facilitates efficient loading and unloading operations, contributing to the overall productivity of shipbuilding processes.
- Warehousing and Logistics: Cantilever cranes play a crucial role in warehouses and logistics facilities for the efficient handling of heavy and bulky goods. Their extended reach enables them to reach deep into storage areas or onto loading docks, streamlining the movement of materials and enhancing the overall logistics workflow.
- Steel and Metal Industries:In industries involved in the processing of steel and metal, cantilever cranes are utilized for lifting and transporting raw materials, semi-finished products, and finished goods. Their adaptability is particularly beneficial in environments where the positioning of materials requires precision and flexibility.
- Mining and Extraction: Cantilever cranes are employed in mining operations for lifting and transporting extracted materials, machinery, and heavy components. Their adaptability to challenging terrains and ability to reach over excavation sites make them valuable in various mining applications.
In summary, the application of cantilever cranes spans across a wide range of industries where their extended reach, adaptability, and lifting capacity are instrumental in enhancing operational efficiency and addressing specific material handling requirements.
Features of Cantilever Gantry Crane
Cantilever gantry cranes, distinguished by their unique design with an extended horizontal beam (cantilever), offer several features that make them suitable for specific lifting and material handling applications.
- Extended Reach: The primary feature of a cantilever gantry crane is its extended reach, allowing it to reach over obstacles or into areas that are difficult to access. This feature enhances the crane’s versatility and makes it suitable for applications where a standard gantry crane may face spatial constraints.
- Increased Working Space: The design of cantilever bridge cranes provides increased working space beneath the crane, allowing for easier access and movement of materials. This is particularly advantageous in scenarios where a clear workspace is essential for efficient material handling.
- Reduced Footprint: Cantilever gantry cranes can have a reduced footprint compared to traditional gantry cranes. The design allows for effective material handling while utilizing space more efficiently, making them suitable for settings with space constraints.
Services of Aicrane
Aicrane is a leading provider of comprehensive lifting solutions. Aicrane offers diverse services tailored to meet the lifting needs of various industries.
- Customized Lifting Solutions:We understands that each industry and application has unique lifting requirements. We specialize in providing customized lifting solutions tailored to the specific needs of clients. From load capacity to span and height, Aicrane’s expert team works closely with customers to design cranes that precisely match their operational demands.
- Timely Deliver: Aicrane operates within a global supply chain network, ensuring a seamless flow of materials and components for crane manufacturing. Our efficient supply chain management contributes to timely deliveries and enables Aicrane to meet the diverse demands of clients worldwide.
- Installation and Commissioning: Our services extend beyond manufacturing to include professional installation and commissioning. Our experienced technicians ensure that each crane is installed correctly, meeting safety standards and operational specifications. Aicrane’s commitment to excellence is evident in the meticulous commissioning process, guaranteeing optimal performance.
- Expert Consultation: Aicrane’s team of experts offers consultation services to assist clients in choosing the most suitable lifting solutions for their specific applications. Whether it’s selecting the right type of crane or optimizing the layout for efficient material flow, Aicrane provides valuable insights to enhance operational efficiency.
- 24/7 Customer Support: We are dedicated to providing continuous support to its clients. The company offers 24/7 customer support, ensuring prompt assistance in case of emergencies, technical queries, or any other service-related needs. This commitment to customer care enhances the overall client experience.
- In conclusion, Aicrane’s services encompass the entire lifecycle of lifting equipment. Aicrane is a trusted partner for industries requiring reliable and efficient lifting solutions worldwide.