People are used to talking about high-speed hydraulic rammers in hydraulic rammers, which usually refer to hydraulic impact rammers installed on loaders or excavators. Because its external dimension is greater than its length, some people also call it "vertical hydraulic rammer". What are we talking about here? Refers to the vertical hydraulic rammer installed on loaders or excavators.
High-speed hydraulic cylinder in hydraulic cylinder
Hydraulic rammer is a professional tamping equipment, which has been widely used in engineering construction in recent years. It consists of bearing mechanism, frame, upper and lower hammers, special transmission device, hydraulic control system and electronic control system. It is directly installed on construction machinery such as loaders and excavators, and uses the hydraulic power of excavators and loaders to output construction work.
The hydraulic rammer lifts the upper hammer head to a set height through the hydraulic cylinder, and then rapidly applies a reverse force, so that the upper hammer head is accelerated to fall under the combined action of gravity and the help of the hydraulic cylinder, and the lower hammer head is hit by the conductive pad to tamp the foundation or fill the earth and stone, thus achieving the purpose of improving the compactness.
Due to the differences in construction progress and technical conditions of different professional construction teams, as well as other factors such as speeding up the construction period and speeding up the progress, hydraulic rammer plays a significant role in eliminating the differential settlement of bridges and culverts and subgrade.
For the inherent defects and man-made defects of layered rolling subgrade, hydraulic rammer can also eliminate the post-construction settlement that may occur in the service life of subgrade in advance, and solve the common problems in China, such as bump at the bridge head, uneven settlement at the junction of new and old subgrade, subgrade filling and excavation.
The hydraulic rammer can also be used for rapid road repair, foundation compaction at the junction of old and new roads, backfilling materials for oil depots, ports, airports, urban buildings and municipal sanitation garbage, and road sections where it is inconvenient or impossible to use road rollers, impact road rollers, heavy hammer rammers and other large and small construction machinery.
Based on the above reasons, more and more projects need to use hydraulic rammer, and with the vigorous development of China's infrastructure and the development and improvement of hydraulic rammer construction technology, the application scope of hydraulic rammer will inevitably become more and more extensive.