Product
Double Girder Gantry Crane
Double Girder Gantry Cranes are with heavy loads up to 700t and spans can be over 50 meters. For fabrication and freight-transfer applications, it can move loads rapidly and smoothly.
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Application scenario
Gantry cranes are all types of cranes which lift objects by an open winch which is fitted in a trolley and can move horizontally on a rail. Gantry cranes are an excellent alternative to permanent indoor overhead cranes, which minimal investment in a new building. In addition, they can be disassembled and moved to a new location easily.
The Gantry Crane can be designed into different type to meet various requirements:
Single girder gantry crane for small lifting capacity
L type single girder crane utilizing the space with simple structure and light dead weight
Double girder gantry crane for heavy lifting capacity with more rigid structure
Semi Gantry crane can minimum the cost and take full advantage of the existing building construction
Truss Gantry Crane can be applied where the speed of wind is high, and low cost requirements
Gantry Crane with cantilevers to meet the requirement of loading and unloading on side area
Detailed Configuration
Lifting Mechanism
Lifting Mechanism
  •   Open winch trolley combined with motor, gearbox, hydraulic brake, drum, hook, sheaves, coupling, brake drum etc
  •   Rigid box type trolley frame
  •   Harden Teeth Gearbox
  •   Hydraulic Drum Brake
  •   Plate-rolled Drum kits
Driven Bogie and Bottom Beam
Driven Bogie and Bottom Beam
  •   Forged Flanged wheel
  •   Rigid welded box type beam
  •   Compact layout
Griders and Legs
Griders and Legs
  •   2 main girder and 4 legs are welded box type
  •   Material: carbon steel with high quality of Q235B or Q345B
  •   The main girder is connected by strength bolt
  •   Weld joint tested by X ray or ultrasonic examination
  •   Modula design
  •   Designed Deflection≤1/800 of span
Control
Control
  •   Cabin control
  •   Independent pendent control as option
  •   Wireless control as option
Safe Protection
Safe Protection
  •   Emergency-off switch
  •   Overload protect
  •   Earth protection
  •   Zero Position Protection
  •   Cross travel and long travel protection
  •   Lifting travel protection
  •   Overheating protection of motor
  •   Equipped with rainproof devices
  •   Alarm Bell and Lamp
  •   Anemometer and aviation obstruction light as option
Product Structure
Product Data
Form 1
Capacity t 10 20/5 50/10 100/20 320/80
Span m 18 22 26 30 35
Lifting height main hook m 10 10 10 12 15
  aux. hook m \ 10.5 10.92 13.24 16.5
Working duty   A5
Speed main hook m/min 9.2 7.1 5.9 3.1 3.6
aux. hook \ 9.2 8.5 7.2 6
trolley 37.2 36.6 31 33.9 16.7
bridge 37.7 40.1 40.1 32.3 28
Dimension L1 mm 6500 7500 8000 10000 1230
L2 6500 7500 8000 10000 1230
L \ 900 1195 1315 2380
C1 5000 5000 5000 7000 3500
C2 5000 5000 5000 7000 3500
H 13804 15036 15760 19373 23003
H1 10000 10000 10000 12000 15000
H2 \ 500 950 1240 1500
H3 540 660 700 590 590
B 8154 9360 10668 13832 16832
K 1400 2000 2500 4000 5000
W 6600 7500 7000 9000 10000
Max. wheel load Kn 180 342 335 320 440
Total Power Kw 37.8 65 141.5 182 476
Rail Recommended   43kg/m QU70 QU80 QU80 QU120
Power supply 380V,50Hz,3phase
Notes:
- lifting capacity up to 700t;
-Span up to 65m;
-Lifting height up to 100m;
- lifting speed: single speed or variable speed as options
-power supply:can be400V,50Hz; 440V,60hz