Mechanical Properties Research Of Snow-Removing Devices Brushes

China’s vast territory, More than70%of the area has snow in winter, especially in the northeast, east and west regions, annual snowfall of up to4to5months. Snow-covered roads often cause traffic jams, accidents, traffic disruption and other issues. Timely, clean, and efficient way to remove snow after snow floating on the road, a mixture of snow and ice and snow, has become a scientific and technical issues need to be addressed urgently. Roller broom Kiyoshi Kiyoshi car bristles are flexible due to their own equipment parts, damage caused by the bristles on the road is relatively small Kiyoshi other types of equipment, cleaning the road after its basic no obvious scratches, crush, or impact marks. When work also has low noise, strong adaptability, cleaning efficiency. Scope of work equipment roll Kiyoshi broader sweep type, Kiyoshi summer and winter can also perform tasks sweeper Kiyoshi than other types of equipment, the one machine and avoid long periods of inactivity due to Kiyoshi equipment and the emergence of various kinds of faults, saving costs sanitation department or road maintenance department. Kiyoshi roll broom equipment for the new snow floating down or not compacted snow and ice mixture of ground adhesion smaller and snow have a stronger cleaning advantages and can cope with complex road sweeping roads, avoid asphalt pavement snow camber inconvenience caused. Roller broom equipment Kiyoshi Kiyoshi car is a very important class of work equipment, worth the relevant departments in-depth research and development. Development of roll-broom Kiyoshi car, the city will be in the winter to have a good transport and sanitation, protection of smooth roads, reduce traffic accidents, to meet highway, road, urban road maintenance needs, there are important practical value to the development of the national economy is important. This essay mainly concludes the following contents:(1) Based on the analysis of physical and mechanical properties of snow and ice on the road, carried out research brush type Kiyoshi car. It illustrates a spiral roll sweep assembly equipment, introduces the structure and principle of the spiral roll sweep equipment. Analysis of several major factors that affect the cleaning effect of the bristles are physical properties of the material itself, the geometry of the bristles and the bristles on the roller arrangement manner, which play a role in paving the way for further research.(2) Through the study of the mechanism of rolling snow broom Kiyoshi car, and deduced the speed n and the spiral brush radius R, the deformation of the bristles h and driving speed matching relation directly, avoiding "axially push the snow is not in place" phenomenon. Analysis of the single bristles Kiyoshi job stress situation and were commonly used for three different materials bristle strength and mechanical properties studies.(3) Since the roller broom equipment Kiyoshi Kiyoshi car roll tufts of tying the height of the snow blower has a direct effect significantly affect the results. Therefore, for the tufts are tying height100mm,120mm,150mm tufts strength analysis. We analyzed three different displacement (developing width) and other bundled height under the effect of force tufts. To come to a different time maximum lateral tufts of normal stress and maximum shear stress plane, extract the bristle tips of transverse normal stress and plane tangential stress results as a lateral force of a measure pushing snow.(4) Reasonable arrangement of the bristles can be Kiyoshi energy efficient operation, so by10*10,5*20and4*25are three common ways of tufts arranged for dynamic simulation. Analysis of the strength and mechanical properties of the tufts are arranged in three different ways in the under load. In order to ensure lateral push snow effect analyzes at different times the maximum lateral tufts of normal stress and maximum shear stress plane, extract the bristle tips of transverse normal stress and plane tangential stress results as a measure of lateral push snow. The results show that the choice of nylon bristles,120mm length bundled and arranged by5*20tufts, only moderate weight, and the strength of the best safety performance, achieve ideal Kiyoshi effect, a broad prospect.