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double beam overhead crane, 1.New design, 2.From crane hometown, 3.Export to more than 20 countries, 4.Heavy duty - details see: https://www.machineto.com/20-ton-double-beam-overhead-crane-for-sale-10195690

Double beam overhead crane

1.QD series double girder eot crane.
2. Trolley top running, with 1 or 2 hooks
3.High efficiency, heavy duty
4. Large tonnage.

QD Double Girder Overhead Crane with Hook:

Mainly composed of bridge, crane traveling mechanism, trolley, electrical equipment, etc. ;

Design and manufactured in accordance with GB/T 14405, General Bridge Crane;

Widely applied to loading and moving of normal weight in the fixed crossing space and also can work with various special-purpose hoists in special operations;

It is prohibited to use the equipment in the combustible, explosive or corrosives environment.

Working condition

Working tempreture:-25~40°C.

Work class:A3-A7,depend on the working environment.

Power Source :By customer requirement.

Components

Control method :Pendent line with press button ,remote ,cabin.

Girders of the crane are the welding construction,high degree of vertical and horizontal rigidity.

Wirerope electric hoist ,hydraulic brake.

The decelerator ,motor is with top quality in China or other brand according to your requirement.

Design and construction rules:

All the standards required for the crane is according to China Standards.

Average thickness:about 100microns

Feature:

High safety factor,precision.

Move and stop smoothly.

Easily install and maintain,dismantle.

Parts and accessory are easy to change when broken.

Main Technical parameter:

Capacity		5t, 10t,16/3.2t, 20/5t, 25/5t, 32/5t, 40/5t, 50/10t, 63/10t, 75/20t, 80/20t, 100/20t, 160/30t, 200/50t, 250/75t, 300/75t, 400/80t, 500/80t
Max lifting height	Main hook	30m
	Aux hook	32m
Span		10.5-31.5m
Working duty		A3/ A5/ A6/ A7
Industrial voltage		380V,50HZ, 3PH or as your demand
Control mode		Cabin recommended
Working speeds		According to your demand

Electrical control box :

The control box surface has been treated with preservatives

Rational layout, ease of maintenance

Protection IP55.

Ambient temperature: <45 ° C, humidity <90%

The main power supply is optional

All wires have color, digital or line number for easy identification

All external cables marked with a line

Fixed cable installed in the walking line or it has protective casing(galvanized steel)

Rolls and wire rope:

Large Diameter

Welding reel, light weight

The ratio of the diameter between rolls and wire rope can reach to 46(Traditional is 27)

The big curvature of the wire rope extend its life

Precise positioning heavy objects, less Offset

High-strength galvanized steel wire rope,

Breaking force 2160kN/mm2

Wire Rope no need coated anti-rust oil, Maintenance-free, clean

Ductile iron guide rope device,less abrasion for wire rope, long life.

Security slide wire:

Corrosion resistant, Insulating outer covering closed campact trolley line

High conductivity, low pressure drop

Light weight, ease of installation, no maintenance

Operating Temperature Range:From -30°C to +60°C

Relay device high glide speed, to ensure continuous power supply

Running triple motor:

Squirrel-cage type frequency conversion motor

Protection Grade IP5,electrical connection sustained rate 60%ED

Smooth operation, it will reduce the heavy objects shaking when starting and variable speed.

Hard-toothed surface, low noise design

Disc type brakes

Girder

Humanization optimization design

The thickness of all the sheet material is tested by ultrasonic,

Control the thickness strictly

Numerical control design completely

Arch degrees curve smooth

Tire frame forming-box technology, little deformation

Automatic welding, nondestructive flaw detection

Whole beam shot dealing with,Grade Sa2.5, eliminate the welding stress

Epoxy zinc-rich paint,the life is above 10 years.

The color of the girder: optional

Brake

Small volume, and often closed

Big braking torque, and the maximum can reach to 300%

Automatic compensation brake clearance, free maintenance

Good sealing, dust-proof

Non-asbestos friction plate, long life, environmental protection

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.

Any questions,feel free to ask.That will be much appreciate.

Vicki Feng:86+13837313233

Skype:fjvicki727