Trilateral drag type impact roller
Drag type impact roller and drag type vibration roller belong to drag type roller. In short, they are all engineering compaction machines that do not have walking function and need to work under the drive of traction machinery.
Quadrilateral drag impact roller
Among them, the impact roller of drag type impact roller is of non-circular polygon structure. According to the different shape and structure, it is divided into three-sided impact roller, quadrilateral single wheel impact roller and pentagonal double wheel impact roller.
Self propelled pentagonal impact roller
The working principle of drag impact roller is the same as that of self-propelled impact roller. The impact force of triangular impact wheel is larger, which is more important than that of subgrade. The force of quadrilateral impact roller is moderate. Both of them can be used for both subgrade compaction and pavement breaking. Moreover, quadrilateral impact roller is single wheel design, and the pavement is relatively narrow and can be constructed. The impact force of the Pentagon impact roller is relatively weak compared with the triangle impact roller, which is mainly used for road breaking and impact rolling of silty soil and sandy soil.
Self propelled vibratory roller
The working principle of the towed vibratory roller is the same as that of the self-propelled vibratory roller. It also relies on the self weight and the exciting force to force the compacted material to vibrate vertically, so as to sharply reduce the internal friction between the soil particles and achieve the purpose of compacting the soil. The exciting force can be adjusted according to the needs.
Towed vibratory roller
All the towed vibratory rollers are of single steel wheel structure. According to different weight and output power, it can be divided into light hauling vibratory roller and heavy hauling vibratory roller. Generally speaking, if the self weight of the equipment is less than 10 tons, it can be defined as light tractor roller. Due to different construction specifications, it is widely used in foreign countries.
Light hauling vibratory roller
The heavy-duty tractor roller, which has a dead weight of more than 14 tons, is widely used in China. Heavy hauling vibratory roller is an indispensable compacting machine in the foundation construction of large-scale projects such as highway, railway, dam, airport, etc. especially for the construction of large fill, when the compactness is required to be more than 95%, it shows the necessity and efficiency of this kind of machine.
Heavy hauling vibratory roller
According to the different compaction thickness and materials, different quality or exciting force of tractor roller can be selected. In addition, due to the small self weight of the vibratory wheel, the power output of the light-duty towed vibratory roller mostly borrows the power output of the tractor, while the heavy-duty towed vibratory roller mostly has its own high-power power power output.
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