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> Rollers Work Weight Distribution
chenchen12495
post Aug 11 2016, 03:56 AM
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1, the job component and load line is the main component of operating parameters of oscillatory roller, which is according to the rules to participate in oil, water ballast, random stuff, and includes a driver, including the total weight of the oscillating roller. Oscillatory roller size job components directly affect the essence of the most pressing and efficiency. Mouse wheel oscillating mass resolution size mechanical soil overlay the static pressure applied. As ...
1, the job component and linear load
????The main component is a job parameter oscillatory roller, which is according to the rules to participate in oil, water ballast, random things, and contains a total weight including the driver of the oscillating roller. Oscillatory roller size job components directly affect the essence of the most pressing and efficiency.
????Mouse wheel oscillating mass resolution size mechanical soil overlay the static pressure applied. In order to compare different oscillatory roller compaction ability. Introduced the concept of line pressure wheel load. Axle load along the line pressure to the static pressure per unit length applied to the soil, also known as line pressure. Line load q (N / cm) is expressed as follows
?
.N Load distribution formula G- pressure on the wheel;
????????b- pressure roller width, cm.
????In other operating parameters (such as oscillation parameters) constant, it is applied to the static on the ground, simply assign dynamic pressure load is proportional to the pressure roller. Tests show that weight is proportional to the depth substantially affect the oscillation of the oscillation roller wheel. Thus, whether it is static compactor is still oscillating rollers, static linear load is extremely important skill parameters.
????When compacted rock fill, Weng moraine soil and soil are required large-tonnage heavy compaction roller in order to have the land in order to expand the scope of use of static roller effect, generally used in pressurized heavy approach their jobs conditioning component and the pressure roller line pressure. The ballast roller can be water, sand, graphite, iron can also block or cement blocks, etc., do not install the ballast provided in good ballast tanks, if necessary, can be removed at any time. Roller weight is spread mainly between the front and rear weight distribution share. About one-wheel drive rollers, larger wheels distribution component occurs meet roller ensures adhesion and braking torque, a smaller steering wheel distribution component can reduce the appearance of the driven wheels hold the soil, but will cause the steering wheel is too light roller steering instability. Chi single round light moving roller wheels distribution component should take 60% -70% of the whole. Single tire markings Chi moving wheels distribution component although small to be able to 40% or less, but taking into account the occurrence does not result in excessive wheel driven land owned appearance. So whatever slick tires still stripe tires, wheels which are assigned component It should be controlled at 45% -50% is appropriate. About the whole oscillations driven double-drum tandem rollers, front and rear wheels need equal distribution of weight. Wheel drive single tire oscillation posted road machine oscillating wheel distribution desirable component 60% -65% of the machine, to increase its pressure strength. In addition, the wheel should occupy an appropriate share of the total weight of the roller due to the increase of the wheel weight can drop the whole center of gravity height, but the inertial resistance on the rotation of the roller accelerating when walking also increased.
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