common sense on rubber tyred gantry crane

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As is well-known to everyone, gantry crane is popular all over the world, and most of the customers know the basic knowledge of gantry cranes. But there is a kind of rubber tyred gantry crane, how much do you know about it? Do you know the main rtg crane specification, the design, the advantages and so on. Let’s look at this topic together.
rubber tyred gantry crane

Rubber tyred gantry crane, also called as transtainer, can be abbreviate to RTG crane, which utilizes the rubber tire to walk in the freight yard, is a mobile gantry crane usually used in stack containers, wharf, and other places. Not only walking on the freight yard, RTG crane can also realize equipment transferring and flexible operation. Apart from the port industry, RTG cranes are also used in erecting large unbalanced structures, assembling large manufacturing components and positioning pipelines. In general, there are two kinds of RTG cranes, namely, trailer wagon RTG crane and standard car RTG crane. Simultaneously, accordance with the techniques, universal type RTG crane and new style RTG crane are the common two RTG cranes.
rtg crane design
Main specifications of RTG crane

Technical specification
RTG crane
Span(m) 23.47(6+1)
Hoisting height(m) 18.2(5+1)
Hoisting capacity(t) 40.5
Lifting speed(m/min) 23/52(full load/no load)
Trolley traveling speed(m/min) 70
Gantry traveling speed(m/min) 75/135(full load/no load)

Working conditions of RTG crane

  • The power source of RTG crane is three phase current, rated frequency is 50 HZ and nominal voltage is 300v. 
  • The operating ambient temperature is approximately -20 to 45 degree centigrade, and the maximum relative humidity is no less than 95 percent. 
  • When operating the RTG cranes, the wind speed is not more than 20 m/s, on the contrary, it is not more than 44 m/s when RTG cranes aren’t operated. 
  • The working grade of RTG crane is A6 and A7.
  • RTG crane is suitable for spans of between five and eight containers wide, and for lifting height of 1 over 3 to 1 over 6 containers high.
  • The surface slope of RTG crane is less than 1 percent, and local slope is not more than 3 percent.    
rtg crane works

Comparisons between universal type RTG crane and new style RTG crane 

Universal type RTG crane is important equipment in the container harbor. It can flexible operation of great range, has the characteristics of high utility rate of space, high productivity and whole yard of motor. But universal type RTG crane adopts the diesel engine as the power for the whole crane, which has the weakness of high cost, high maintenance cost, large energy consumption, exhaust emission pollution and noise pollution etc. As statistics , the energy consumption of each target box for universal RTG crane is 1.2 to 2.2 liters diesel. 

While for new style RTG crane, the main energy consumption is electric, and new style RTG crane is the light-weight equipment, the whole crane weight reduces approximately one third, which can save abundance of energy. So at present, scientists are beginning to research use electric to instead of the diesel.   

Advantages of RTG crane

  • Low energy consumption and easy operation.
  • Fewer cost of maintenance and spare parts and environmental protection. 
  • Flexible operation than other gantry cranes. 

TICO, as the most significant manufacture of industries cranes, can offer the most prior quality RTG cranes as per your special requirements. If you have needs for RTG cranes, we can give you the top RTG crane design and specification, the one-stop service for you, please contact us without hesitation!

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