Product Name: 3ton to 600ton Double Girder Type Overhead Crane Model NO.: QD Certification: CE Certification: ISO9001: 2000 Condition: New Main Girder Form: Double Girder Type: Bridge Crane Feature: Overhead Crane Application Scope: Outdoor, Warehouse, Precast Yard Rated Loading Capacity: 3-600ton Rated Lifting Moment: as Customer's Requirement Max. Lifting Load: 600t Max. Lifting Height: 10m-30m Span: 10m-35m Warranty: 12months Working System: A5-A7 Trademark: OEM Transport Package: Wooden Case or Polywood Case Specification: ISO, CE, BV Origin: Shandong Province, China HS Code: 84261930 Product Description MG Model Electric Double Girder Gantry Portal Crane

1. Composition of gantry crane

This kind of crane is composed of bridge, supporting legs, strong lifting mechanism (electric trolley/Cart, winch), crane travelling organ, the frame boxed type welding mechanism. Power is supplied by cable or slide wire.

2. Applied the situation
Double girder gantry cranes with hook are available for general service, such as loading, uinloading, lifting and transferring work in outdoor storage or on railways.

3. Conventional configurations
1) Cabin control and remote control
2) Wound rotor motor is used on each mechanism, changed speed by resistance.
3) Working ambient temperature is -20° C-45° C, it is not suitable for lifting blazing & toxicant as well as explosion-proof or insulating working conditions.
4. Other configurations user can choose
1) The wired ground control, continent for use and control
2) Fixing wireless remote control to realize the remote control.
3) Changing speed brake method: Pole changing control, plug braking, dynamic braking, and frequency control and so on.
4) The other feasible configuration user proposes.

4. Model of Gantry Crane







5. Overall Dimension


6. Loading goods pictures in our factory and Customer installation and using scene




8. FAQ

Please kindly tell us your following information of crane


1. What's the information should I provide when inquiry?
More details or drawings, more better.
A: Lift capacity,
B. Span,
C. Lift height
D. Power source
Or other specials you give us will be more appreciated.

2. How many operating methods for my selection?

Standard operating methods:

A: Pendent controller with push buttons.

B. Remote control with push buttons

C. Cabin (space capsule seat) control with joystick.

Choose any type as you like.

3. Can this type work in hazardous environment?

Sure. Can customize for you, acid proof or explosion proof, no problem for that.



4. How long is your warranty?

Our warranty is 15 months after received the goods.

5. Can you provide the serious lifting tools?

Sure, we can provide any lift tools such as lift sling belt, lift clamp, grab, magnet or other specials as your requirement!

6. Working life

about 30 years under common use.

7. How can we install the crane?

Our senior engineer can be your side to do the installation guide service and training. Moreover, our best sales can visit your country.

8. Safety device

Overload Limiter, Limit Switch (Lifting and Traveling), Interlock protection device, Buffer, Overhaul cage, Rail clear plate, Protective cover, Bus Bar preventer plate, Anti-collision device, Main isolating switch, Emergency stop system, Motor overload protection, and so on.

Mechanical		Electrical
No.	Item	No.	Item
1	Overload Limiter	1	Main isolating switch
2	Limit Switch (Lifting and Traveling)	2	Short-circuit protection
3	Interlock protection device	3	Under-voltage protection
4	Buffer	4	Zero protection
5	Rail tongs, Anchor device,	5	Motor overload protection
6	Rail clear plate	6	Emergency stop system
7	Protective cover	7	Current overload protection system
8	Bus Bar preventer plate	8	Security chain protection
9	Anti-collision device	9	Ground protection
10	Anti-overturn Safety Device
11	Anemometer

Max lift capacity	10T~ 200t
Span (the distance between the rails	18M~50M
Max. lift height	6M~12M
Work duty	A5,A6
Lift speed	6m/min ~ 18m/min
Hoist traveling speed	36m/min~44m/min
Crane traveling speed	40m/min~50m/min
Control	Room control