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PEANUT HARVESTING MACHINE STUDY OF THE KINEMATICS OF THE SHIFT
ARRIVE
Mansurov Mukhtorjon
Namangan State Technical University
Khojiyev Bakhromkhon
Namangan State Technical University
Khasanov Majidkhon
Namangan State Technical University
Abstract:
In this article, the kinematics of the peanut harvester conveyor is investigated, in which
the speed of the belt conveyor depends on the forward speed of the machine and the coefficient of
slippage of the belt, the speed of the point of view of the scraper blades is variable, acceleration is
constant and it is stated that the tendency to the center is equal to the acceleration.
Keywords:
peanut harvester, scraper, belt conveyor, shovel, belt, stalk, grain, separation, sorting,
sliding coefficient, kinematics, speed.
Аннотация:
В данной статье исследуется скребковый механизм машины для уборки
урожая арахиса, в частности, зависимость скорости ленточного транспортера от
поступательной скорости машины и коэффициента скольжения ленты. Рассмотрено
изменение скорости точки контакта скребкового механизма: скорость этой точки является
переменной, а ускорение остается постоянным и равно центростремительному ускорению.
Ключевые слова
: Машина для уборки арахиса, скребковый механизм, ленточный
транспортер, лопатка, лента, стебли, сортировка, коэффициент скольжения, скорость.
INTRODUCTION
. It is known that, in recent years, great attention has been paid to the
cultivation of oilseed crops such as sesame, peanuts, sunflower, soybeans, and safflower in our
republic. Because they are widely used in the manufacture of confectionery products, in medicine
and industry, and their seeds are widely used in animal husbandry. Based on the above, the
Namangan Institute of Engineering and Construction developed a multi-functional (digging, de-
stalking, sorting and loading) peanut harvesting machine [1-14].
METHODS AND MATERIALS
. In exploring the kinematics of the peanut harvesting
machine’s scraper were used the laws of higher mathematics and theoretical mechanics.
RESEARCH RESULTS.
The speed of the belt conveyor also plays an important role in
exploring the kinematics of the created peanut harvesting machine’s scraper
During operation, the peanut balls, which are squeezed by the belt conveyor, are moved forward
by the machine and up and back by the belt conveyor (Figure 1). We determine its absolute speed
according to the following expression.
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Figure 1. Scheme for determining the speed of a belt conveyor
Here V - is the forward speed of the machine, m/s;
�
�
- is the speed of the belt conveyor, m/s.
We determine the angle
�
of the relative to the horizon of the absolute speed of the peanut’s ball.
According to the scheme shown in Figure 1
For the pods to be completely and easily dug out, the velocity Va must be directed vertically, as it
were γ=90º. Taking this into account, from expression (2) we obtain the following expression
And from this
It follows that it should be.
Taking into account q, the slip of the tape takes the form of expression (4).
(5) The speed of a belt conveyor for transporting goods depends on the forward speed of the
machine and the slip coefficient of the belt.
The scraper moves in a complex manner during operation, i.e., it moves forward and rotates
around its axis together with the machine [15, 16]. The equations of motion of its blades in the
XYZ coordinate system have the following form
(Figure 2).
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Figure 2. Scheme for the study of the kinematics of the slider
Here t is the car's travel time, s;
β – the angle of installation of the damper relative to the horizontal, º;
�
�
- the radius of the point of view of the wiper blade, m,
ωt – the angle of rotation of the scraper (this angle is measured clockwise from the axis OX), º.
Using expressions (6) – (8), we find the velocities and accelerations of the point in question along
the X, Y, and Z axes.
The absolute velocity and acceleration of the point in monitoring
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And
will be.
Taking into account the expressions (9) - (14), these expressions have the following form.
In this
It is clear from expressions (17) and (19) that the velocity of the point of view of the impeller
vanes is variable, while its acceleration is constant and equal to the centripetal acceleration.
CONCLUSION.
The conducted studies have shown that the speed of a belt conveyor depends on
the forward speed of the machine and the belt slip coefficient, showed that the speed of the point
of view of the blades of the shovel is variable, and the acceleration is constant, and the tendency
to the center is equal to the acceleration.
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