WEIHUA 300 ton double girder gantry crane calculation base crane from China

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WEIHUA 300 ton double girder gantry crane calculation base crane from China

Payment Terms: TT or LC

Ref Price : 1-12 USD/SET

Supply Capability : 10000 SET

Loading Port : TianJin

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Qulck Details

  • Max. Lifting Height:
  • Span:
  • Warranty:
    12 Months
  • After-sales Service:
    Field installation, commissioning and training, Engineers availd
  • Feature:
    Gantry Crane
  • Condition:
  • Application:
    Outdoor, plant
  • Rated Loading Capacity:
  • Rated Lifting Moment:
    Load Capacity
  • Place of Origin:
    Henan, China (Mainland)
  • Brand Name:
  • Certification:
  • Crane feature:
    double girder gantry crane
  • Girder Type:
    Box Girder
  • Lifting capacity:
  • Lifting mechanism:
    Electric Trolley
  • Main electrical parts:
    Schneider and Siemens
  • Control Method:
    Cabin Control or customized
  • Power Source:
    3 Phase 380V, 50hz or customized
  • Color:
    Yellow, Red or customized
  • Power Source:
    3 Phase 380V, 50hz or customized
  • Language:
    English, Russian, Spanish, French

300 ton double girder gantry crane product detail:

Double-beam gantry cranes are a form of heavy duty lifting equipment. Mainly used for machine installation, lifting cargo, loading and unloading trucks, ideal lifting equipment for mining, agriculture, electric power, construction sites, docks and warehouses. MG type 50 ton double box girder gantry crane is suitable for general loading and unloading of outdoor storage.


1.compact structure, resonable layout, safe reliability;

2.convenient maintenance, excellent swivelling function advantages.


Double girder gantry crane Features:

1. It is used for lifting 5t~800t stuff;

2. It has beautiful box-typed welded main girders. Computer optimized design for main girders with good performance and light weight;

3. Compact structure, light weight and high lifting height;

4. The Max. span reaches 35 meters;

5. It's widely used in workshops, metallurgy, warehouses and assembly shops etc.

Mechanism :

1. High quality carbon steel Q235B and Q345B;

 2. connected by high strength screws;

3. Welding seams are tested by X-ray and ultrasound;

4. Compact structure, small volume;

5. Compact reducer motor drive, step less control, hardened gears and safety disc brake;

6. Good operation performance, step less speed regulating and running smoothly;

7. Painting high quality epoxy zinc-rich primer, and the thickness of oil film is 140μm;

300 ton double girder gantry crane electric system:

1. Control panel protection degree is IP54;

2. Reasonable components installation, convenient for check and maintenance;

Safety Protection Devices:

Overload limiter, limit switch, interlocking protection devices, buffer, track sweep plate, bus bar protection board, anti-collision device, main disconnecting switch, emergency stop system and motor overload protection.

Specifications of electric gantry crane:

capacity (t) span (m) lifting height (m) working duty main hois speed (m/min) aux. hoist speed (m/min) crane travel speed (m/min) long travel speed (m/min) rail total power (KW)
10 18~35 10 A5 0.8~7.8 / 3.3~33 3~30 43kg/m 21.74
20/5 18~32 10 A5 0.6~6 0.78~7.8 3.5~35 3~30 43kg/m 39.
32/5 18~26 10 A5 0.5~5.2 0.78~7.8 3.1~31 3~30 43kg/m 59

26~35 12 A5

50/10 18~26 10 A5 0.4~3.9 0.78~7.8 3.6~36 3~30 43kg/m 71.4

26~35 12 A5

75~800 Customized

Notes:The foregoing attached table shall only be used for reference. The actual application shall be appropriately modified according to customers' requirements.

Testinng and packaging:

Weihua Group, a leading crane manufacturing company in China, was Founded in 1988. We has been committed to heavy machinery researching and marketing.

The main product covers shipbuilding gantry crane, lifting machinery, port container crane, heavy mining machinery and construction machinery, etc. The whole coverage of Weihua Group is 3,420,000 m2 with 6,800 employees.

Weihua adheres to scientific and technological innovation and owns a 600-people R&D team, 494 patents, CNAS laboratory, etc. For the cranes, Weihua have made many breakthroughs which include anti-sway crane system, CNC high precision positioning crane system, self-climbing crane for wind power maintenance and so on.

In recent years, Weihua cranes have been employed to serve China's Aerospace Engineering projects such as launching of Shenzhou spacecraft, Long March carrier rockets and Tiangong space laboratory. You can also find Weihua products in the fields of manufacturing, metallurgy, nuclear power, railway,port, petrochemical and wind power.

Weihua products also find its places in the global markets and won much praise from108 countries like America, Japan, Russia, Singapore, Korea, Thailand, Malaysia, Mexico, etc. 

Our success comes from customers' success. Welcome to Weihua.

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