Product Details

High-Quality With Largest Loading Capacity Double Girder Gantry Crane

5t~550ton Double Girder Mobile Gantry Crane

We can also supply the main crane components and full manufacturing drawings and full technical support, and your side manufacturing the beam structure in your country, that will save your sea freight and transportation cost.

------------Best Solutions Ready For Installation To Meet Individual Requirements

Application

5t~550ton Double Girder Mobile Gantry Crane is widely using for lifting and loading, unloading works in outside warehouse or railway stations. Using in road construction area, material stocks area, cement plant, granite industry, construction industry, engineering industry, railway etc. 5t~550ton Double Girder Mobile Gantry Crane is widely applied to the railway goods yard, big tonnage port, open storage, the container transfer station, and etc. to handle with the frequent loading and unloading works.

Product Description

1. 5t~550ton Double Girder Mobile Gantry Crane consists of below main parts: the bridge structure, the trolley traveling mechanism, crane traveling mechanism and the electric equipment, This crane use one or two trolley as its lifting machine, comprising the crane and trolley traveling mechanism, lifting mechanism, cabin, computer room, electric room etc.

2. 5t~550ton Double Girder Mobile Gantry Crane lifting mechanism is electric trolley, it can equip with hook and other tools to lift containers. Some rail, gear, wheel relevant parts with good quality manufactured by our own group, the quality is easily been controlled.

3. 5t~550ton Double Girder Mobile Gantry Crane has two kind conductive forms: cable and slip line. Slip line are first recommended.

4. All gantry crane components are handled with shot peening, then painting. Before delivery, we will do the rust-proof protection on all open parts. The painting color and shape is according the customers’ demands.

Crane Configuration:

Material: Steel plate material Q235 or Q345B ( similar international steel plate FE3 or FE52)
Steel structure: Strong Steel box type, seamless type, more strong and elegant beam.

Crane traveling motor: Soft start type
Wheel:Vacuum casting by our group, Inter medium frequency quenching

Main electrical parts: Schneider brand or Siemens brand.

Crane safety Feature

1. Limit Switch: Safety limit switches for stoppers prevent over traveling in all motions.

2. Anti collision device

When two crane traveling on the same rail, the cranes will install the following devices:

Anti-collision device, Infrared non-contact and inductive type limit device

Sound and light alarm device, Wireless anti-collision device

3. Weight overload protection device

Includes automatic stopping type lifting weight limiter and weight display device.

4. Lifting limit switch and traveling limit switch

5. Emergency stop system

6. Electrical protection

The main insulation switch, emergency stop switch, short circuit, Zero voltage protection, loss of field protection, Current overload protection, over speed protection, zero position protection

Phase sequence protection and adopted crane specially anti- vibration contactor etc.

7. Interlock device

It sets interlock device for the cabin door and the other door from cabin into bridge structure, when the door is opened, the crane cannot work.

Technical data

Capacity (ton)		5	10	16/3.2	20/5		32/5	50/10
Span (m)		18, 22, 24, 26, 30, 35
Lifting height (m)		10, 11, 12
Working class		A5
Control way		Cabin control or remote control
Power source		380V 50HZ 3phase (Could supply it as yours)
Trolley lifting mechanism
Lifting speed (m/min)	Main hook	11.3	8.5	7.9		7.2	7.5	5.9
	Auxiliary hook	-	-	14.6		15.4	15.4	10.4
Trolley traveling mechanism
Traveling speed (m/min)		37.3	35.6	36.6		36.6	37	36
Crane traveling mechanism
Traveling speed (m/min)		37.3	39.7	37.3		39.7	39.4	38.5
Motor power(KW)		40.8-51.8	41.5-52.8	80-77		84-81	99.3-117.3	126.5
Steel track recommended		43kg/m					43kg/m or QU70

Control methods