Modernization of the upper head of the bucket elevator

2015 ◽  
Vol 5 (1) ◽  
pp. 207-214
Author(s):  
Шатохин ◽  
Ivan Shatokhin ◽  
Дерканосова ◽  
Natalya Derkanosova ◽  
Оробинский ◽  
...  
Keyword(s):  
Experimental Studies ◽  
Mechanical Action ◽  
Belt Conveyor ◽  
Food Grains ◽  
Processed Material ◽  
Bucket Elevator ◽  
Negative Effect ◽  
Working Bodies ◽  
The Individual

Studies of many authors show that injury of seeds has a negative effect, both on seeds and food grains. Damage in food grains reduces its trade, technological and baking performances. The main reasons causing injury to the seed, is mechanical action of the working bodies of machines and implements for post-harvest treatment of seeds. In this injury will be greater, the greater the speed of the seeds moving. Analysis of the distribution of injury between the individual elements of the line revealed that about 50 % of all injury of grain (28.3 %) falls on transporting machines. From above it follows that a reduction of injury to the seeds is an important problem, which is caused by the need to solve large yield losses, worsening of seeds storage and decrease in quality of the seed, and it is necessary firstly to investigate the possibility of improving the quality of conveying machines, and in particular , bucket elevators. This is because grain cleaning machines provide improved cleaning quality of grain, and conveying ones- conversely increase its. Taking into account that in cleaning lines usually there are several elevators, the reduction of seed damage by them will substantially improve the quality of the processed material. For this purpose, it is necessary to improve bucket elevators, providing softer mode. In this regard, the work was done to improve the design of the upper head of the elevator to reduce feedback eruption. On this construction patent for utility model number ZA 140052 was received. On the basis of this patent bucket elevator was refitted, in which head was an additional horizontal belt conveyor. Experimental studies have been conducted to identify the degree of feedback. It was found that an additional belt conveyor helps to reduce feedback rash when its speed is higher than the speed of bucket belt.

scholarly journals Mini crusher-shredder for farms

2021 ◽  
Vol 264 ◽  
pp. 04038
Author(s):  
Komil Astanakulov ◽  
Fakhriddin Karshiev ◽  
Shokir Gapparov ◽  
Dilshod Khudaynazarov ◽  
Shavkat Azizov
Keyword(s):  
Rotation Angle ◽  
High Reliability ◽  
Experimental Studies ◽  
Mathematical Planning ◽  
Quality Performance ◽  
Working Bodies ◽  
Planning Of Experiments ◽  
Good Visibility ◽  
Rotary Type

The purpose of the study is to substantiate the parameters of a mini crusher-shredder for processing coarse feed stalks in farms. The feasibility of using a mini crusher-shredder for processing coarse feed in the conditions of farms and farms with a small number of animals, which has a rotary-type shredder that combines the operations of grinding and crushing, is justified. The research uses the laws and rules of mathematical statistics, mathematical planning of experiments, and the methods given in existing regulatory documents. Experimental studies were carried out to study the influence of the rotor parameters of the mini crusher-shredder on its quality performance. A compact crusher-shredder has been developed, which has good visibility of the working bodies, high reliability, and quality of work due to zootechnical requirements. Experimental studies have established that when using a hammer of a flat-turned shape with a lower sharpening and a rotation angle of 60 or more, high-quality grinding of the stems is provided.

Comparative study of the force action of harvester work tools on potato tubers

2019 ◽  
Vol 65 (No. 3) ◽  
pp. 85-90
Author(s):  
Alexei Sibirev ◽  
Alexandr Aksenov ◽  
Alexei Dorokhov ◽  
Andrei Ponomarev
Keyword(s):  
Field Studies ◽  
Potato Tubers ◽  
Cultivation Conditions ◽  
Root Crops ◽  
Negative Impacts ◽  
Working Bodies ◽  
The Individual ◽  
Separation Devices ◽  
The Impact

The quality of the separation of root crops, onions and potatoes is known to primarily depend on the cultivation conditions. As a rule, these cultures are cultivated in mechanically light soils in order to improve the quality of separation, as well as to reduce the traction resistance of the harvester when extracting the root crops from the soil. When harvesting the root crops, it is very important to maintain the soil in a loose (light) state to improve the quality of the separation. Due to the fact that in digging up the root crops, there is a joint flow of strong soil lumps to the separating working bodies, which are difficult to separate on the slit working bodies of the harvester, which increases damage to the root crops when interacting with the soil lumps, the commercial quality of the products is subsequently deteriorated. The existing potato harvesters damage the commercial products as a result of the interaction of the potato tubers with each other, with the working bodies and with the soil lumps. However, the greatest percentage of damage to potato tubers occurs as a result of their interaction with the working bodies of the harvester. Field studies were conducted to determine the places of the greatest impact of the individual working bodies of the potato harvesters and to carry out subsequent actions for the elimination of these negative impacts in the design of the harvesters. This article presents a methodology for conducting field studies on the assessment of the impact of the working bodies on the scale of damage to potato tubers when harvesting. The results of the comparative studies of the impact of the working bodies of modern potato harvesters, which damage the potato tubers as a result of the interaction with them are presented. We have determined that the greatest scale of impact on the potato tubers during the mechanised harvesting is observed as the transition from the main elevator to the secondary separation devices takes place, irrespective of the design and technological scheme of the harvester, and reaches its minimum value from 6.5 N for the Bolko harvester to 21 N for the AVR-Spirit-6200 harvester.

scholarly journals Substantiation of the parameters of the disk-knife working body and the study of its work 

2018 ◽  
Vol 64 (No. 4) ◽  
pp. 195-201
Author(s):  
Savelii Kukharets ◽  
Gennadii Golub ◽  
Viktor Biletskii ◽  
Oleksandr Medvedskii
Keyword(s):  
Analytical Model ◽  
Equations Of Motion ◽  
Soil Layer ◽  
Comparative Test ◽  
The Body ◽  
Geometrical Parameters ◽  
Plant Remains ◽  
Working Bodies ◽  
The Individual

The work is devoted to the issue of improving the quality of cultivating of root-bearing soil layer and optimizing its agrotechnological properties. Improving the quality of cultivation is due to the application of soil cultivating tools equipped with disk-knife working bodies. They are provided theoretical and experimental study of the work of the disk-knife working body, and it is substantiated its rational parameters. The basis of the substantiation of the parameters of the cultivating tool is the original analytical model, which reflects the process of interaction of the working body with the soil. To study the performance of the process, on the basis of kinematic equations of motion of the individual points of the working bodies, it is developed the analytical model of the motion of the battery of the working bodies. On the basis of the provided analytical researches, they were determined geometrical parameters and developed experimental samples of the disk-knife working body. It was carried out a comparative test in the field of tools equipped with disk-knife working bodies and with standard spherical cut-off discs, which confirmed the effectiveness of the use of disk-knife working bodies. The use of disk-knife working bodies ensures: the burying of plant remains and fertilizers into the root-bearing soil layer, improving the quality of soil cultivation, preserving of its structure, reducing the traction resistance of the body.

scholarly journals Influence of working bodies of technical means on injury and quality of seed of grain crops

2020 ◽  
Vol 11 (3) ◽  
pp. 49-54
Author(s):  
D. A. Derevianko ◽  
◽  
V. M. Polishchuk ◽  
O. D. Derevianko ◽  
◽  
...  
Keyword(s):  
Technological Process ◽  
Theoretical Calculations ◽  
Structural Parameters ◽  
Experimental Studies ◽  
Grain Crops ◽  
Transportation Process ◽  
Working Bodies ◽  
The Relationship ◽  
Harmful Effects

Theoretical calculations and experimental studies show that during the technological process of transporting seeds by technical means, in particular ladle conveyors, macro- and especially microtrauma of grains occurs, which affects a decrease in quality indicators. Analysis of the studies shows that the structural parameters of the working bodies, the biological and physico-mechanical properties of the kernels, as well as the material for the manufacture or coating of the working elements, affect the trauma and quality of the seeds. Experimental data showed that microtrauma of winter wheat grains before transportation was in the range of 22,9- 23,5%, and after completion of the transportation process was 45,3-46,4%, that is, doubled. Further studies to improve the quality of seeds of grain crops, reduce the harmful effects of microorganisms on caryopsis and reduce macro- and microtrauma should be carried out in the relationship and the complex of biological and physico-mechanical features of the entire technological process.

Composite Railroad Ties Obtained by the Energy Efficient Recycle of Wooden Railroad Ties

2018 ◽  
Vol 284 ◽  
pp. 981-985 ◽  
Author(s):  
V.V. Stepanov ◽  
Nail F. Timerbaev
Keyword(s):  
Energy Efficient ◽  
Significant Proportion ◽  
Experimental Studies ◽  
Chemical Compounds ◽  
Mechanical Action ◽  
Household Waste ◽  
Wood Composite ◽  
Experimental Stand ◽  
Composite Production

The article presents the result of research in the field of processing wooden railroad ties and thermoplastic polymer household waste with obtaining composite railroad ties under conditions of energy efficiency of technological processes. The wood of the used wooden ties contains a significant proportion of chemical compounds based on creosote. As a result of the thermal and mechanical action, the creosote compounds in the wood form hydrophobic surfaces, thereby fulfilling the function of the bonding additives. Under the above-mentioned conditions, hydrogen bonds are formed between the components of the wood composite, that, in its turn, allows achieving the task of creating a functional composite, which varies in the compound of elements and the modes of production processes. Experimental studies were held on the nature of justification and correction of theoretical studies. The experimental stand of composite production is realized on the principle of energy efficient cooling cycles of the obtained composite with heat transfer for heating the initial components. The obtained results of experimental studies exceed the regulation values by every measure. The comparison justifies the quality of the experimental samples obtained with respect to these values.

scholarly journals Development of multistage plowing method that involves subsurface loosening

2021 ◽  
Vol 37 ◽  
pp. 00044
Author(s):  
Maxim P. Erzamaev ◽  
Dmitry S. Sazonov ◽  
Leila S. Kurmanova ◽  
Evgeny S. Nesterov ◽  
Alexey E. Shlykov
Keyword(s):  
Experimental Studies ◽  
New Method ◽  
Energy Costs ◽  
Theoretical Relationship ◽  
Bottom Soil ◽  
Soil Cultivation ◽  
Working Bodies

The paper proposes a new method for multistage plowing that implies loosening bottom soil and subsoil horizon simultaneously, followed by overturning the bottom soil without cutting, which improves the quality of soil cultivation, softens a plow sole and reduces energy costs. Experimental studies confirmed the theoretical relationship for determining the plowing resistance, both of certain working bodies of a section, and of a whole plow. The method proposed for multistage plowing that implies loosening the subsoil provides a decrease in plowing resistance by 8.3-9.8% compared to the existing double-depth plowing followed by loosening the subsoil.

scholarly journals Prawne i ekonomiczne dylematy zrównoważonego rozwoju w dobie ogólnoświatowego kryzysu

2009 ◽  
Vol 7 (2) ◽  
pp. 61-72
Author(s):  
Maciej Rudnicki
Keyword(s):  
Natural Environment ◽  
Human Life ◽  
Ecological Awareness ◽  
Human Needs ◽  
Starting Point ◽  
Social Comfort ◽  
Negative Effect ◽  
Rational Management ◽  
The Individual

The starting point for the reflections at the heart of the paper was a range of issues bordering philosophy, morality, economy, finance and law, regarding the rational management of natural resources and the improvement and protection of the natural environment, as well as the regulation and forming of peoples’ attitudes and behaviours in relation to the natural environment, and the setting of legal boundaries for those behaviours and sanctions for crossing them. the state of the natural environment has a very strong influence on the fulfillment of existential human needs. It is also related to ecological needs which could be characterised as requirements for the biological, physical, chemical, and technological characteristics of the individual elements of the natural environment. Humans strive for satisfactory lifestyles of appropriate quality, and often have to make choices between various goods. Unfortunately, ecological properties are very often treated last of all in the decision-making hierarchy and are usually considered inferior to, for example, material prosperity or social comfort. Treating the ecological properties as such often results in them going unnoticed overall, and very soon leads to permanent and negative changes that directly affect human life and the environment, as well as having a negative effect on health. Therefore, such extraordinarily essential conditions for choosing and fulfilling ecological needs as regards first-class existential needs that have a vital influence on the quality of life and ecological awareness, are based chiefly on understanding the rules of sustainable development. Should the development of civilisation be ruled by the economy, or should the basis of that development be protection and maintenance of natural environmental resources? Or maybe the most sensible option is to balance economic, social, and ecological aims? The problem pinpointed in this way highlights the importance in the life of the global community, and may for years induce consideration and reflection.

Voices of discontent: Student protest participation in Romania

2014 ◽  
Vol 47 (3-4) ◽  
pp. 385-397 ◽  
Author(s):  
Toma Burean ◽  
Gabriel Badescu
Keyword(s):  
Family Income ◽  
Significant Shift ◽  
Student Survey ◽  
Wall Street ◽  
Quality Of Democracy ◽  
Individual Level ◽  
Negative Effect ◽  
Online Activism ◽  
The Individual

In January 2012, in several cities of Romania, people turned out to streets to protest. The protests were linked to the wave of movements such as the Indignados or Occupy Wall Street. The students were especially visible among protesters. In this paper, we show that the profile of protests in Romania witnessed a significant shift from workers strikes for higher wages and better jobs, during communism and in the 1990ies, to social movements in which young urban educated citizens mobilize with the help of social networks for issues that are linked to the quality of democracy and life. Furthermore, the shift in protesting is associated, at the individual level, with distrust of the political system, which stimulates engaging in demonstrations. Interestingly, online activism accelerates the feeling of shared distrust of institutions, motivating youth to engage in protest participation, although the effects might be moderate and the causal arrow somewhat uncertain. The hypotheses are tested with data from a general survey on participation in 2012 and a student survey from October 2012. We find that gender, distrust in institutions and family income influence protest behavior. Time spent online has a negative effect on protest engagement and online activism is related to protest behavior.

scholarly journals Influence of gas stations on the ecology of the urban environment

2020 ◽  
Vol 164 ◽  
pp. 07031
Author(s):  
Aleksandr Kolosov ◽  
Sergey Yaremenko ◽  
Kirill Garmonov ◽  
Kirill Sklyarov
Keyword(s):  
Urban Environment ◽  
Experimental Studies ◽  
Environmental Safety ◽  
Fuel Oil ◽  
Oil Companies ◽  
Gas Stations ◽  
Negative Effect ◽  
High Level ◽  
The City

The aggravation of the environmental situation in major cities of the Russian Federation has been observed in recent years. A significant contribution to the deterioration of the quality of the urban environment has a large number of vehicles and consequently the number of gas stations. They are generally concentrated within the city limits. As a result of the high level of competition of oil companies in the gas station market and the large consumption of liquid fuel oil by the urban population there is a point building of gas stations on free sites of urban development. The question of the need to improve the ecological safety of urban gas filling stations is acute and remains extremely relevant in our time. On the basis of the results of theoretical, numerical and experimental studies obtained by the authors, factors influencing spread of harmful substances from emission sources at gas stations have been identified, and their significance was established. The identified factors formed the basis of a multi-criteria analysis of the environmental impact of emissions from sources at gas filling stations. The authors have developed a methodology for assessing environmental safety of urban gas filling stations, which allows to assess the degree of impact of gas filling stations on the urban environment and to reduce their negative effect.

scholarly journals ANALYSIS OF WORKING BODIES OF EQUIPMENT EXTINGUISHING FOREST FIRES

2020 ◽  
Vol 8 (1) ◽  
pp. 119-122
Author(s):  
Anton Pozdnyakov ◽  
Ivan Bartenev
Keyword(s):  
Comparative Analysis ◽  
Forest Fire ◽  
Forest Fires ◽  
Experimental Studies ◽  
Large Mass ◽  
Soil Layers ◽  
Loose Soil ◽  
Working Bodies ◽  
Milling Tools

Currently, the machines are energy-intensive and inefficient, since the tools are mounted on tractors with a creeper reducer, and the cutters have to work in the conditions of the sodden upper soil layers, which significantly reduces the quality and productivity of the process. This served as an impetus for the creation of new technical tools that would combine the best qualities of plows and milling tools, expand the range of possible applications, but at the same time were devoid of their shortcomings. So there appeared tools with combined working bodies, for example, a strip thrower, developed on the basis of the G.F. Morozova. However, these developments also do not completely solve the problems of the efficiency and quality of preventive and forest fire operations, since the working bodies of milling, although working on a loose soil-soil shaft, are still not protected from roots and stumps, they have a large mass and dimensions due to a combination of two types working bodies in one design. A comparative analysis of technical means and experimental studies of a prototype forest fire soil-throwing machine with a combined working body was carried out.

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