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Cabin Control High Quality QB Model Double Girders Anti Explosion or Explosion Proof or Explosive Proof or Exproof Electric Overhead Traveling Crane

QB Explosion proof double girder girder electric overhead traveling crane, the lifting unit is a hook, It is usually to be used to explosive environment. It mainly consists of lifting trolley,bridge frame,long traveling unit,hook and wire rope,magnet system, cabin and electric control system,etc.

The explosion proof has special design on crane wheel,hook and wirerope to avoid spark happening,.
It has reasonable structure,light dead weight,low noise,easy operation and maintenance,low maintenance frequency and cost,superior performance,long service life.

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Production introduction:

1. QB Explosion proof double girder girder electric overhead traveling crane, the lifting unit is a hook, It is usually to be used to explosive environment. It mainly consists of lifting trolley,bridge frame,long traveling unit,hook and wire rope,magnet system, cabin and electric control system,etc.

The explosion proof has special design on crane wheel,hook and wirerope to avoid spark happening,.
It has reasonable structure,light dead weight,low noise,easy operation and maintenance,low maintenance frequency and cost,superior performance,long service life.

QB Explosion proof double girder girder electric overhead traveling crane Normal capacity are 5t,10t,16t,16/3.2t,20/5t,32/5t,the span is 10.5m-31.5m, lifting height 16-20m, working class is A6.
Control model: cabin control.

And ambient temperature normally not more than 45ºC.

Mechanical parts:

1.Double welding box girder, beam deflection with DIN/FEM standard

2.Steel Material: Chinese standard steel Q235B,Q345B

3.Manual brush painting,One alkyd iron red primer painting, two alkyd orange enamel finish painting

4.Epoxy zinc-rich primer painting for one bottoms and two sides of 120μm thick, to achieve a long lifespan, beautiful appearance and good luster.

5.The girder and end beam are connected together by high strength bolts to ensure the structure strength and precision of the whole machine.

6.The end beams are equipped with flat wheel or double rim wheels, anti-friction bearings, buffer blocks and derailment preventing plate.

Technical parameters

Lifting weight(t) 5 10 16 20
Span(m) 10.5~31.5
Max Lifting height(m) 6~30
Working class A6,A7
Speed(m/min) Main Hoisting 12.9,15.66 10.4,15.3 10.4,13.3 8.6,9.8
Speed(m/min) Trolley Cross Traveling 43.8,44.6,42.4
Speed(m/min) Crane Long Traveling 70,80
Motor Type Heavy Duty Slip ring Motor
Motor (Kw) Main Hoisting 26,30 34,45 42,55 63,90
Trolley Cross Traveling 2.5,4,6.3
Crane Long Traveling 2*4,2*5.5,2*7.5,2*8.5,2*11
Control mode Pendent line control,Remote control,Cabin control
Recommended Rail model 38kgs/m,43kgs/m,QU70
Power source 3Ph A.C 50Hz 380V

Safe system

1.Weight overload protection device

2.Emergency stop system

3.Over current Protection, Short-circuit Protection

4.Phase sequence protection

5.Zero position protection, No-Voltage protection, convenient and simple operation.

6.Protective earth conductor is fitted as standard

7.Voltage lower protection system

8.Current overload protection system

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