Double girder traveling overhead crane

Double girder traveling overhead crane

Product Details Key Specifications/Special Features: 1. Product introductions : - QD model hanger bridge crane mainly consists of bridge, trolley travelling mechanism, crab and electrical appliances, and is divided into 2 working grades of A5 and A6 according to the use frequency. Overhead crane...

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Product Details

Product Details

Feature:Bridge Crane



Rated Loading Capacity:5-500ton

Rated Lifting Moment:200KN

Max. Lifting Load:500ton

Max. Lifting Height:30m

Span:10.5~31.5m, 10.5~31.5m

Place of Origin:Henan, China (Mainland)


Model Number:QD

Certification:SGS IOS CE

Warranty:2 Years

After-sales Service Provided:Engineers available to service m

Main hook lifting:12.6m/min

Crab travelling:44.6m/min

Trolley travelling:65m/min

Lifting height:12m 16m 30m

Lifting height:12m 16m 30m

Power Source:3 Phase 380V 50hz

Crane weight:19330kg

Trolley track recommended:43KG/M


Feature Description

1.  Mechanical feature.

1)  Dobule welding box girder, DIN/FEM standard deflection.

2)  Material Q235B orQ345B .(Similar to the international steel Fe360 or Fe520)

3)  Whole length CNC cutting for complete web plate, high deflection accuracy.

4)  High quality autometic welding and NDT inspection.

5)  Shot-blasting Sa2.5 for complete girder after welding, stress release.

6)  Epoxy zinc rich high quality paiting, 2x2 with 140μm.

7)  10.9 class High tension bolts mouting between girder and legs, life time safety connection.

8)  Double flanged or flat wheels, anti-friction bearings, cellular buffers, derailment protectors.

9)  Full-length service platform along the crane bridge is supplied,where it si equippe with protective hand railing and toe strips. 

2.  Electrification and outfitting

1)  Conductor power supply.

2)  Phase control guard opens the main contactor in case of phase failure.

3)  All hoist and crane movements are independent and can be run simultaneously.

4)  Contactors meet crane applications, rated for severe vibration.

5)  The control panels are finished to withstand corrosion, IP55.

6)  Heavy duty plug head

7)  The components are positioned in a maintenance friendly way, and the whole layout provides good protection against accidental contact.

8)  The multi-wire type fixed cables with plastic insulation are intended for crane usage.

9)  Cables are coded either with numbers, colours or tags for easy identification.

10)The flate cables used for festoons are PVC insulated flexible flat cables rated for 450/750V, specially designed for cranes, hoists.

11)Festoon cables are suspended on cable saddles, fixed to cable trolleys, running in a galvanised C-track, which is connected to the main girder with bolted or welded support brackets. 

3.  Safety protection

1)  Rain cover for outside hoist, driving units, electrical cubicle.

2)  Warning indicator: flashing lights and warning sound.

3)  Wireless infra-detector for anti-collusion

4)  Various safety limit


How can I get a precise crane offer?

To providing you a precise crane offer efficiently, please kindly provide details as following:

a). Lifting capacity; material weight(unit as tonnage)

b). Lifting height; (unit as meter)

c). Crane span; the width of inquired crane(unit as meter)

d). Crane traveling length; when rail track/runway beam needed, traveling length shall be provided.

e). Working power; power source at site(unit as voltage, phase and Hz)

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