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20 ton overhead crane, 1.From crane hometown., 2.Export to more than 20 countries., 3.Easy to install,widely used. - details see: https://www.machineto.com/from-crane-hometown-single-girder-20-ton-overhead-crane-10195670

20 ton overhead crane

1.20 ton overhead craneMechanical feature

1)Double welding box girder,DIN/FEM standard deflection

2)Material Q235B or Q345B.(like 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 Sa 2.5 for complete girder after welding,stress release.

2.20 ton overhead craneElectrification 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.

3.Overhead crane manufacturer 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.Overhead crane manufacturer Control Mode

1)Pendant

Independent festoon station or fixed suspend under hoist.

Protection class IP65

2)Remote Control

Easy control,no additional driver,renote access.

Two steps push button or joy stick station with emergency stop.

Crane technical data:

Lifting capacity (T)

1,2,3,5,10T

16,20T

Span(M)

7.5-22.5M

Crane travelling mechanism

Travelling speed(m/min)

20

30

45

60

75

20

30

45

60

75

Reducer ratio

58.78

39.38

26.36

19.37

15.88

58.78

39.38

26.36

19.37

15.88

Motor

Model

ZDY21-4

ZDY21-4

ZDY122-4

ZDY131S-4

ZDY112L1-4

Power(kw)

2×0.8

2×1.5

1.5×2

2.2×2

2.2×2

Rotation (m/min)

1380

1380

Lifting mechanism

Electric hoist model

CD1/MD1

MD1/HC

(electric hoist)&electric hoist travelling mechanism

Lifting speed (m/min)

8,8/0.8 7,7/0.7

3.5 3.5/0.35

Lifting height (m)

6 ,9 ,12, 18, 24, 30

12,18,24,30

Travelling speed (m/min)

20(30)

20(30)

Motor

Taper Squirrel-cage type

Taper Squirrel-cage type

Work duty

A3-A5

Power supply

380V 50HZ three phase

Wheel diameter

270mm

370mm

Width of trail

37-70mm

37-70mm

IF you want to order our crane, please let us know the following information:

1. The capacity.

2. The lifting height(from floor to the hook center)

3. The span(the distance between the two rails)

4. The speed as you demand.

5. The power source in your country.

Crane pictures:

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