Metallurgical bridge crane is one heavy lifting equipment for harsh environments such as high temperature and high dust. They are widely used in steelmaking, casting and steel rolling industries. Its main structure includes bridge tray, lifting mechanism, operating mechanism, driver's room and electrical control system. The bridge frame consists of main and end beams made of high-strength steel, with surfaces covered with thermal insulation to cope with high temperature environments. The lifting mechanism includes a motor, reducer, reel and high-temperature resistant wire rope to ensure stable operation under extreme conditions. And it is equipped with overload protection and limit switches.
The operating mechanism is responsible for the overall movement of the crane and the lateral movement of the hook. It also uses multiple drive wheels and guide rails to achieve smooth operation. Cabin control room provides open view and modern control equipment to ensure that operators can operate the crane safely and accurately. The electrical control system integrates PLC and frequency conversion speed regulation technology to ensure the efficient and safe operation of the equipment. These features make metallurgical bridge cranes ideal for handling high temperature molten metals and heavy-duty materials.
Metallurgical bridge cranes are indispensable equipment in steel plants, and are mainly to transport and deal with high-temperature molten metals, such as molten iron, molten steel, etc. It can operate efficiently under extreme conditions, ensuring the continuity and safety of production processes. Whether it is the transportation of iron and iron from blast furnace to converter or the lifting of finished steel, this kind of bridge crane is capable of doing it.
In the casting workshop, QDY metallurgical bridge crane could carry molten metals and other heavy-duty molds. It can withstand high temperatures and heavy loads, ensuring a safe transfer of materials during casting. In addition, it also helps complete casting operations, improve productivity and reduce the risk of manual operations.
In addition to steel, it is also suitable for the smelting and processing of aluminum and other non-ferrous metals. These industries also need to deal with high-temperature liquid metals and require equipment to have good heat resistance and stability.
In large-scale machinery and equipment manufacturing and heavy industry enterprises, metallurgical bridge cranes are used to transport and install heavy parts, such as engines, gearboxes, etc. Its strong lifting capacity and precise operating performance make material handling on the assembly line safer and more efficient.
High temperature resistant materials and cooling devices ensure that key components operate stably in extreme high temperature environments.
With multiple safety protection devices such as overload protection and emergency stop buttons to ensure safety of operators and equipment and reduce downtime.
Advanced frequency conversion speed regulation technology to achieve smooth start and stop, improving work efficiency and positioning accuracy, suitable for handling high-temperature liquid metals.
| Item | QDY |
| Loading capacity | 5 ~ 75 ton |
| Lifting height | Customized |
| Lifting speed | Varies with lifting capacity |
| Span | 10.5 ~ 31.5 m |
| Lifting mechanism | Winch trolley |
| Working class | A7/A8 |
| Working temperature | -20 ~ +60 ℃ |
| Power supply | AC-3Phase-220//230380/400/415/440V-50/60Hz |
| Control voltage | DC-36 / 48V |
| Motor protection class | IP54 IP55 IP65 |
| Control way | Cabin, wireless remote, pendant push button |
| Safety device | Buffer,current overload protection,overload device, power failure protection |
| Application area | Factory, workshop, warehouse, power station, logstic,etc. |
| Painting color | Yellow, Red or Customzied |
1. Industry Position
Founded in 2006, Dafang Heavy Machinery covers an area of 1,580 acres and employs over 2,600 people. With an annual sales revenue of 3.566 billion RMB, the company focuses on two main business sectors: lifting machinery and steel structures. Major products include single and double girder bridge and gantry cranes, electric hoists, steel structure bridges, prefabricated buildings, and industrial plants. Dafang serves critical sectors such as military industry, aerospace, nuclear power, offshore engineering, metallurgy, and mining. Its products are exported to over 100 countries and regions, including the United States, Russia, and Southeast Asia.
Annually, Dafang manufactures 30,000 single-girder cranes, more than 12,000 double-girder and gantry cranes, and 30,000 electric hoists. Based on production scale, sales volume, and brand recognition, the company ranks among the top three in China’s crane industry.
2. Core Technologies
Dafang’s R&D team consists of over 260 members, including 104 with senior or intermediate engineering qualifications. The company invests 3.8% of its annual sales into technology development. It has obtained 12 international invention patents, 50 national invention patents, 415 utility model patents, and achieved 43 scientific and technological milestones. Dafang was the first in the industry to adopt anti-sway and automatic positioning technologies.
In 2016, Dafang became the first enterprise in Henan Province to implement smart crane applications and to introduce remote monitoring technology. The company also developed the multifunctional brewing crane, filling a domestic market gap. In 2021, Dafang was the first in the industry to be certified for unmanned intelligent cranes. In 2022, it undertook a project for a tower crane at a commercial satellite launch site.
3. Manufacturing Capability
Dafang Heavy Machinery is equipped with advanced in-house designed manufacturing equipment, including 1,500-ton press grooving machines, extrusion machines, and roller machines. The company has established leading domestic workshops, including an electrical assembly line, steel pre-processing line, paint finishing line, and China’s first practical single-girder lean production line. Precision machinery includes imported German NILES CNC gear grinding machines and Japanese MAZAK machining centers.
Dafang strictly follows refined manufacturing processes, adhering to the principle of “doing it right the first time, zero defects.” This commitment to quality is deeply ingrained in every employee, ensuring that every product delivered meets the highest standards.
4. Service Assurance
Dafang upholds a “comprehensive, high-quality” service standard, providing users with fast, attentive, and thorough one-stop services. With 24/7 online support, choosing Dafang means complete peace of mind. Just tell us what you need—we’ll take care of the rest.
