QD Double Girder Overhead Crane
QD double girder overhead crane is composed of bridge, travelling mechanism, trolley, electric equipment. Main girder adopts box welded structure, crane travelling mechanism adopts separate drive, and lifting mechanism is equipped winch. All mechanism are controlled in driver's cab.
QD model double girder overhead crane is applied in open warehouse or rail sideways to conduct common loading unloading and material handling works. It is a heavy duty type overhead crane that satisfy frequently using.
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The specifications of overhead crane is as follow:
- Type:QD
- Lifting Capacity:5~550t
- Lifting Height:
- Span:10.5~35.5m
- Working Duty:A4~A7
- Ambient Temperature:-20~40℃
Production Features
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Main GirderWith strong box type and standard camber, there have reinforcement plate inside the main girder. Material of high quality carbon steel Q235B and Q345B. |
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End carriageUse rectangular tube manufacturing module, butter motor drive, with roller bearings and lubrication. |
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TrolleyIt is with heavy capacity and high working class. It is developed specifically for lifting that requires accurate and smooth movement. |
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WheelEquipped with high quality forged or casting wheel, which will have be heat treated to ensure wheels’ performance. |
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Hook blockThe hook block is composed of sheaves, hooks and latch, 360 degree rotating. The hook is forged and single hook and double hook is available. |
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Operation waysPendant control, remote control and/or cabin control. |
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CabinThe cabin has open model and closed model. It can be installed on left or right side according to the practical situation. And the direction of entering has two ways: sideway entrance and end surface entrance to satisfy the users' choice in different conditions. |
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.
