This Double Girder Overhead Crane with Electric Hoist is built for places like machine shops, metallurgical auxiliary workshops, warehouses, power plants, and material handling yards. It uses a box-girder main bridge, with a “three-in-one” drive mode—that means traveling, trolley and hoisting are combined compactly. The design is light, simple, and works well where building height is limited. Operates with cabin, remote, or pendant control.
Lifting height limit device
Voltage lower protection function
Phase sequence protection function
Emergency stop function
Hooks with latch
Rubber buffers
Laser anti-collision system
Double Girder Overhead Crane with Electric Hoist Advantage
Double Girder Overhead Crane with Electric Hoist Specification
Rated lifting weight | t | 32/10 | 20/5 | 16/3 | 10/3 | 5 | |||
manipulation mode | ground control, cabin control | ||||||||
Speed | Main hook lifting | m/min | 3(0.3/3) | 3.3 | 3.5(0.35/3.5) | 7(7/0.7) | 8(8/0.8) | ||
Secondary hook lifting | 7(7/0.7) | 8(8/0.8) | 8(8/0.8) | 8(8/0.8) | |||||
Trolley traveling | 20 | 20 | 20 | 20 | 20 | ||||
Cart traveling | ground | 20;30 | 20;30 | 20;30 | 20;30 | 20;30 | |||
control room | 30;40 | 30;40 | 30;45 | 30;45 | 30;45 | ||||
electromotor | Main hook lifting | Model/kw | ZDX62-6/18.5 ZDS12.2/18.5(main engine Six grade motor6) | ZD152-4/18.5 | ZD151-4/13(ZDS1.5/13) | ZD151-4/13(ZDS1.5/13) | ZD141-4 (ZDS0.8/7.5) | ||
Secondary hook lifting | ZD151-4/13 (ZDS1.5/13) | ZD141-4/7.5(ZDS0.8/7.7) | ZD132-4/4.5 (ZDS0.4/4.5) | ZD132-4/4.5 (ZDS0.4/4.5) | |||||
Trolley traveling | ZDY131S-4/2.2×2 | ZDY(D)22-4/1.5×2 | ZDY(D)122-4/1.5×2 | ZDY(D)121-4/0.8×2 | ZDY(D)121-4/0.8×2 | ||||
Cart traveling | ground | ZDY131S-4/2.2×2 ZDY131-4/3×2 | ZDY122-4/1.5×2 ZDY131S-4/2.2×2 | ZDY(D)122-4/1.5×2 ZDY131S-4/2.2×2 | ZDY(D)122-4/1.5×2 | ZDY(D)121-4/0.8×2 ZDY(D)122-4/1.5×2 | |||
control room | ZDR112L2-4/3.0×2 ZDR125-4/4.6×2 | ZDR112L2-4/3×2 | ZDR112L1-4/2.1×2 ZDR112L2-4/3×2 | ZDR100-4(D)1.5×2 ZDR112L1-4/2.1×2 | ZDR100-4(D)1.5×2 ZDR112L1-4/2.1×2 | ||||
Electric hoist | WH164; CD1(MD1) | CD1(MD1) | |||||||
Lifting height | m | 9;12;18;24 | 6;12;18;24 | 9;12;18 | 9;12;18;24 | 6;9;12;18;24 | |||
Working system | A3~A5 | ||||||||
Power | three phase current;50HZ;380V | ||||||||
Cart track recommended | 43KG/M | 38KG/M | |||||||
Span | m | 7.5m~22.5m |
FAQs
The LH bridge crane is designed with a box girder and compact structure to reduce the required building (headroom) height. Its smaller size and lighter weight help in installations where ceiling height or support structure is a constraint, while still offering good lifting capacity and stability.
You’ll need to ensure that the building structure and runway beams can support the dead weight plus dynamic loads of the double girder crane. Rails should match recommended rail weight (38kg/m or 43kg/m) for smooth and safe travel. Check the span needed, lifting height, power supply, and control path. If retrofitting into existing facility, ensure clearances (for cabin, hook, trolley), and that safety controls are accessible.
Key maintenance includes regular inspection of wire ropes or chains, limit switches, brakes, rubber buffers; checking for electrical stability (phase sequence, voltage drop); ensuring overload protection is working; verifying laser anti-collision / anti-collision devices; lubrication of moving parts; ensuring all safety protections (hooks, emergency stops) are functional. Pre-assembly and factory testing help, but ongoing care is critical.
This crane is ideal for light-to-mid duty loads: maintenance, assembly, light transport in workshops, metallurgical auxiliary tasks, warehouses. If your tasks involve very heavy loads, frequent lifts, or harsh environment (e.g. explosive, corrosive, or high humidity), you might need a heavier duty model or specialized crane (higher working class, special coatings, explosion proof etc.).
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