The Hummer brand, the world's leading manufacturer of earthmoving and building road compaction equipment, is an important member of the Wirtgen Group. The Hummer double drum compactor for the Chinese market has been produced at the Langfang plant in Wirtgen China since 2012.
At the Wirtgen Group exhibition area of ​​the 2016 Bauma exhibition in China, the Hummer brand presented a high-performance new product made by Langfang to the Chinese customer – the 13-ton HD O138V double-steel oscillating roller. Next, Xiaowei will take you through the details of this new model with excellent performance.
Sino-German cooperation to build a heavy-duty double drum compactor
At the 2016 bauma exhibition in Shanghai, the Hummer brand displayed a variety of domestic HD series articulated double drum rollers. These versatile models combine proven time-honored Hummer compaction technology with intelligent solutions for handling, driving comfort, safety and service, making them ideal for highway and other large area and urban construction.
These devices are the result of close collaboration between engineers at Wittengen China in Langfang and the brand headquarters in Tischenreu, Germany. Wang Jie, manager of the design and development department at Wirtgen China, said, “These twin-roller rollers are able to meet market requirements and have the important characteristics required by the Chinese market.â€
Previously, Wirtgen China Langfang factory has produced three double drum compactors: Hummer HD 128 (12 t), Hummer HD 138 (13 t) vibratory roller and Hummer HD O128V (12 t) oscillating roller. Now, in order to meet the higher demand of the oscillating compaction technology, the 13-ton oscillating roller with a working width of 2.14 m has been introduced, the Hummer HD O138V.
Ideal vision
An ideal view of the overall environment is one of the key features of the Hummer double drum compactor. Thanks to its intelligently designed frame structure, cabinet and cab, the operator always has an unobstructed view of the steel wheel and the spray bar.
In addition, the driver's seat of the Hummer HD 128 and HD 138 can be flexibly rotated to the sides, giving the operator an ideal view of the steel wheel edge and the unit as a whole. High-quality headlights on the awning and bright lighting on the cab provide a seamless view of the construction environment around the unit, ensuring excellent construction quality and high construction safety.
Self-explanatory operation
The self-explanatory operation with clear markings and a clear display of all important construction data makes the Hummer HD Series twin drum compactors very easy to operate. The display does not use any text, and the operator does not need to master other language skills, which significantly improves the safety of the overall construction.
Easy to transport and easy to maintain
The Hummer HD O138V allows for quick manual folding of the awning in just a few steps. This intelligent design makes the awning-equipped device easy to transport. Convenient maintenance further increases the highlights of the equipment: the filter and lubrication points are arranged reasonably, making it easy for maintenance personnel to perform routine inspections quickly and easily.
Oscillation - faster, better compaction
The Hummer 13 t-class HD O138V double drum compactor allows customers to take full advantage of Hummer's oscillating compaction. Like the Hummer HD O128V, this new roller is equipped with an oscillating steel wheel and a vibrating steel wheel. The oscillating steel wheel keeps the shear stress transmitted to the ground and always keeps in contact with the ground, so the oscillating compaction technology significantly improves the compaction efficiency.
The continuous acting static line pressure and the constantly changing dynamic shear stress together produce a faster, better and more uniform compaction effect. At the same time, the amplitude and compaction capabilities are automatically adjusted to the current ground stiffness. Compared with electrical control, the Hummer roller uses clever physics to achieve better compaction.
The oscillating roller also has another feature: construction can be carried out very efficiently even on a cooled asphalt road. Therefore, the oscillating compaction has a longer working time than conventional vibratory compaction.
Low vibration, smooth road surface and high anti-sliding resistance
During the oscillating compaction process, the steel wheel is always in contact with the ground and does not produce significant vertical impact motion. Therefore, the oscillating compaction is smoother and quieter. Based on this feature, the Hummer oscillating roller can even be compacted close to vibration-sensitive buildings or facilities (such as railway lines or historic buildings), or it can be compacted on the bridge deck, even above underground buildings such as parking lots. Can carry out construction.
Since oscillating compaction does not create any vertical stroke on the asphalt, an extremely flat road surface can be formed. When compacting, the steel wheel maintains constant contact with the ground, which removes the asphalt film from the road surface, so the finished pavement has a very high resistance to sliding. Thanks to this special oscillating movement, it is possible to avoid damage to the cooled asphalt pavement and to optimize the seam with the existing pavement.
Finally, let us introduce the Hummer brand product introduction video at the bauma exhibition, and listen to the product manager's professional explanation for Hummer HD O138V!
(This article is from Wirtgen) (This article is from Wirtgen China)
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