QD-Double Girder Overhead Crane

DQ-Double Girder overhead Crane is a kind of heavy duty crane, it could be classified into several working duties: A5, A6, A7, according to the working frequency and pure working time.
1. Lifting Capacity: 5~500t
2. Span Length:10.5~31.5m
3. Lifting Height:6~30m
4. Working Class:A5, A6, A7, A8
5. Ambient Temperature:-20~40℃

Product Details

QD-Double Girder Overhead Crane


Overview


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.


FEATURES

1. Heavy Duty and High Efficient;

2. Suitable for any environment ( High Temperature, Explosion Proof and so on);

3. Long Life Span: 30-50years; 

4. Easy for Installation and maintenance;

5. Reasonable structure and strong rigidity;

6. The speed can be frequency inverter speed control;

7. Control method is cabin control or remote control;

8. Depending on lifting cargo, crane can be equipped with hanging beam magnet or magnet chuck or Grab or C hook;

9. Crane is equipped with all moving limit switch, loading limit and other standard safety devices, to promise crane work safe.


Configuration 

1.jpgMain Girder

With strong box type and standard camber, there have reinforcement plate inside the main girder. Material of high quality carbon steel Q235B and Q345B.

2.jpg

End carriage

Use rectangular tube manufacturing module, butter motor drive, with roller bearings and lubrication.

3.jpg

Electric Winch

It is with heavy capacity and high working class. It is developed specifically for lifting that requires accurate and smooth movement.

4.jpg

Crane Wheel Block

Equipped with high quality forged or casting wheel, which will have be heat treated to ensure wheels’ performance.

5.jpg

Crane Hook Block

The hook block is composed of sheaves, hooks and latch, 360 degree rotating. The hook is forged and single hook and double hook is available.

7.jpg

Driver's Cab

The 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.


Technical Parameter

Model

QD type

Lifting capacity

t

5

10

16/3.2

20/5

32/5

50/10

75/20

100/20

Max. lifting height

Main lifting

m

16

16

16

12

16

12

20

22

Aux. lifting

m



18

14

18

16

22

22

Span

m

10.5-31.5

13.5-31.5

13-31

Lifting speed

Main lifting

A5

m/min

11.3

8.5

7.9

7.2

7.5

5.9

6.1

3.9

A6

15.6

10.4

10.7

9.8

9.5

7.8

6.1

4.9

Aux. lifting



14.6

15.5

15.5

10.4

7.2

7.2

Trolley traveling speed

m/min

37.2

43.8

44.6

44.6

42.4

38.5

38.4

33.86

Crane traveling speed

A5

m/min

89.8(91.8)

89.8(91.9, 84.7)

84.7(87.6)

84.7(87.6)

87.6(74.2, 74.6)

74.6

65

65.7

A6

92.7(93.7)

92.7(93.7, 86.5)

76(89)

76(89)

89(75.3)

75(76.6)

66.2

65.7

Power

3P 380V 50Hz or others


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