Influence of removable anti-skid device on the soil density

Abstract

The ways to improve the traction characteristics of the wheel MTA by the drive wheels loaders, the use of additional removable loads, the filling of the drive wheels chambers with liquid, the traction force of the tractor due to the increase in the coupling mass are studied. However, with the increase in the structural dimensions of the wheels and the use of dual tires improve the functional properties of the engines, however, significantly increase the cost of the engine, its dimensions, complicated handling of the machine. The use of removable anti-skid devices on the wheel drive increases the vertical load due to the weight of the anti-skid device. At the moment of interaction of the hook with the soil, the force required to introduce it into the soil, reduces the load on the wheel. A formula for determining the density of soils in the Wake of the mover is obtained. Depending on the magnitude of the force of introduction into the soil, two modes of interaction of the wheel with the soil are considered. To improve the traction properties of the engine, a new design of the device support was developed. After the introduction of the support to a dense layer of soil, it is opened, thereby increasing the contact area and sharply reducing the pressure of the wheel drive tires on the upper layers of the soil. Due to this process, the wheel (partially or completely) is not in contact with the topsoil. The equipment of propellers of wheeled vehicles with removable anti-skid devices, which allow to increase traction properties, reduce the compacting effect of the propulsor on the soil, seems to be a rational solution to the problem of increasing the traction characteristics of the driving wheels. The equipment of wheel machines movers with removable anti-skid devices allows to approximate the traction characteristics of wheel machines to the characteristics of crawler type movers due to the interaction of hooks with more compacted layers of the subsurface horizon soil.

The equation of the oscillatory motion of the blade of the earth-moving machine depending on the properties of the ground and the parameters of the blade

“…We determine the coefficients m 1 , m 2 , m 3 included in equation (11), which depend on the design parameters of the working body. The main part of the ground friction force on the working body of the machine acting on the blade, as is known, falls on its cutting edge.…”

“…Self-oscillating working bodies, unlike working bodies with an active drive, do not require energy supply, therefore, they have a simpler design and lower energy consumption. At the same time, they have all the advantages of working bodies with an active drive [9][10][11].…”

Road safety research in a safety audit

“…It should be noted that, unlike many European countries, in Russia, the audit of pedestrian crossings is often not used and not developed the scientific and methodological foundations. In this regard, methods for determining the size and location of pedestrian crossings, as well as the size of safety islands and the height of curbs, depending on the parameters of traffic and pedestrian flows and the width of the roadway, were identified and refined to practical application [26,27]. To obtain practical results of the BDD audit, control sheets are used for the audit at various stages and places of their implementation, in order to form recommendations for eliminating technical errors and correct perception of traffic conditions by the participants of the BDD.…”

Kinematics of the disk working body for ground development

“…Further development of the north and the territories adjacent to the Baikal-Amur Mainline will entail an increase in the development of frozen grounds [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18]. The construction of oil and gas fields in Siberia requires the construction of transport routes, cable networks, drilling of wells and loosening of frozen ground [9,19].…”

“…An integral part of the design stage of machines is to ensure the strength of structural elements, reduce energy costs, as well as identify the conditions for the stability of the movement of the unit [5,6,14,15]. The developed working body for ground processing contains elliptical disks, fixed on the shaft of the working battery strictly at a certain angle [20].…”