Project and financial analysis of investment potential of hydraulic test stand for repair companies and service centers

2020 ◽  
pp. 48-57
Author(s):  
Petr V. Senin ◽  
Pavel A. Ionov ◽  
Sergey V. P’yanzov ◽  
Aleksandr M. Zemskov ◽  
Aleksey V. Stolyarov
Keyword(s):  
Lower Cost ◽  
Financial Analysis ◽  
Hydraulic Drive ◽  
Technical Condition ◽  
Research Purpose ◽  
Hydraulic Test ◽  
Hydroelectric Unit ◽  
Condition Adjustment ◽  
Innovative Enterprise ◽  
The Cost

Currently, stationary domestic and foreign test stands are used for assessing the technical condition of bulk hydraulic drives in the repair enterprises and service centers. However, the used domestic stands have disadvantages associated with low accuracy and reliability of the results obtained, limited ranges of diagnostic parameters, and the inability to implement the methods of manufacturers. (Research purpose) The research purpose is in evaluating the investment attractiveness of the hydrostand for repair companies and service centers of hydroelectric unit manufacturers and make a conclusion about its competitiveness. (Materials and methods) Authors have developed a hydrostand for monitoring and evaluating the technical condition, adjustment and post-repair running-in of hydraulic units of a volumetric hydraulic drive. The article presents the estimated cost of its production. The article presents the methodology for calculation of economic efficiency of developed and implemented hydroscand. (Results and discussion) The article shows the feasibility of development by conducting a design and financial analysis of investment attractiveness in relation to the currently operating small innovative enterprise LLC "Agroservice", Saransk. The project was the implementation of designed hydroscand at site for repair of volumetric hydraulic actuators. The cost of manufacturing a new hydrostand was determined in the course of research and is of 1557910 rubles, which is 10.4 percent of the cost of foreign and 44.5 percent of the cost of domestic analogues with higher technical capabilities. (Conclusions) The analysis showed that hydrostand has a relatively low payback period, a high value of the return index and internal rate of return, and a lower cost. These indicators increase its competitiveness and attractiveness among potential consumers.

INCREASING THE RELIABILITY OF HYDRAULIC DRIVE PARTS OF AGRICULTURAL MACHINES

2021 ◽  
Vol 3 (144) ◽  
pp. 49-55
Author(s):  
Aleksey A. Solomashkin ◽  
◽  
Azamat F. Il’mukhametov
Keyword(s):  
Wear Rate ◽  
Hydraulic Drive ◽  
Technical Condition ◽  
Research Purpose ◽  
Agricultural Machinery ◽  
Maintenance Strategies ◽  
Machine Parts ◽  
Current Value ◽  
Specific Part ◽  
Agricultural Machines

The article identifies the existing types of troubleshooting of self- propelled agricultural machinery. Taking into account the wear rate of the same type of parts from the group of parts of the same name when determining the permissible wear during their resource diagnostics is an urgent problem. The article presents the resource parameter and its influence on the reliability indicators of machine parts. (Research purpose) The research purpose is in determining the basic principles of the strategy of maintenance and repair of agricultural machinery in order to ensure control of the technical condition of machine parts, in particular, to increase the reliability of hydraulic drive parts. (Materials and methods) The article presents the options for maintenance strategies, the disadvantages and advantages of each of them. (Results and discussion) The article presents standard maintenance strategies: according to the need, planned preventive, according to the condition and justifies the optimal type of maintenance, taking into account the wear rate of each specific part. Authors performed an analysis of the algorithm for carrying out maintenance in each case individually. The tolerance is set based on the condition: if the current value of the controlled resource parameter during the next diagnosis turns out to be less than the set value, then such a part at the current value of the wear rate will be able to refine it until the next inter-control check. (Conclusions) The choice of a maintenance strategy has an important role in increasing the reliability of hydraulic drive parts of agricultural machines. A strategy has been developed that takes into account the wear rate of each specific part and the culling is carried out taking into account the wear rate of each part individually. Parts with a high wear rate are rejected first, and parts with a low wear rate are the last.

PROSPECTS OF STRENGTHENING OF SHREDDERS KNIVES OF INDUSTRIAL INSTALLATIONS

2021 ◽  
Vol 3 (144) ◽  
pp. 94-99
Author(s):  
Vyacheslav F. Aulov ◽  
◽  
Yuriy N. Rozhkov ◽  
Valentin P. Lyalyakin
Keyword(s):  
High Frequency ◽  
Lower Cost ◽  
Low Cost ◽  
Economic Effect ◽  
Labor Cost ◽  
Research Purpose ◽  
Labor Costs ◽  
Industrial Plants ◽  
The Cost ◽  
Frequency Heating

The main goal of agriculture is to obtain products, but its processing is no less important. At processing enterprises, grinding and cutting are the most important technological process. (Research purpose) The research purpose is in analyzing the market of knives of processing machines, their pricing, resource and describing the economic efficiency of applying strengthening coatings. (Materials and methods) Authors used a digital method of searching through the Internet for enterprises that produce knives for processing machines, types of knives and their characteristics. (Results and discussion) Specialized knives are used for grinding products in the industrial plants. Since knives are a consumable item, the technology of their replacement is subject to requirements for the simplicity of the process, low cost and low labor cost. These requirements, together with the specific ones determined by the technology, form the design of the knives. The efficiency of the processing machine directly depends on the state of its working organs. Replacement of worn-out elements is accompanied by large labor costs, which leads to a decrease in labor productivity and to downtime of equipment in repair, and ultimately − to a decrease in the profit of the enterprise. (Conclusions) The hardening of knives by the borating method using high-frequency heating will increase the productivity of agricultural machinery and will give an economic effect up to 0.32 billion rubles due to an increase in the resource and a lower cost of manufacturing hardened knives compared to imported ones. By reducing the cost of domestic knives, you can get savings on one knife of 1960 rubles, provided that you refuse to purchase imported knives.

Automated Control of the Microclimate in the Premises of Pig-Breeding Complexes

2020 ◽  
pp. 103-108
Author(s):  
Viktoriya Yu. Ukhanova
Keyword(s):  
Agricultural Production ◽  
Individual Characteristics ◽  
Feed Consumption ◽  
Management Systems ◽  
Research Purpose ◽  
Energy Costs ◽  
Technical Equipment ◽  
Pig Farming ◽  
The Individual ◽  
The Cost

In the pig breeding, a large share of the production cost is accounted for by the cost of electricity and heat. Reducing energy costs is one of the important tasks of the industry. It is important to identify and study modern technologies and equipment for pig farming due to the constant increase in electricity tariffs, significant energy costs for creating and maintaining a microclimate. (Research purpose) The research purpose is in an analysis of modern available technologies and equipment for agricultural production, including pig farming, allowing to reduce the cost of production. (Materials and methods) Authors used a method for determining the standard indicators of energy consumption of energy resources in the pig industry, based on the calculation and analytical method. The article presents an analyze of automated microclimate management systems in pig breeding complexes, taking into account the individual characteristics of farms produced by OWEN. (Results and discussion) Automated microclimate management systems can improve the productivity of pig farms; reduce the cost of electrical and thermal energy, reduce the number of diseases of animal from hypothermia, high humidity or temperature in the room, feed consumption; monitor the chemical composition of the air. The article considers three options for creating a microclimate in rooms with animals, taking into account the individual characteristics of enterprises. (Conclusions) The profitability of pig production depend on the level of technical equipment of farms, automation, and the use of energy-saving technologies and equipment. The use of innovations in agricultural production makes it possible to increase labor productivity up to three times, and savings due to reduced feed costs can reach several million rubles a year.

Microcontroller Device for Conductor Identification Using Acoustic Signal

2020 ◽  
Vol 67 (1) ◽  
pp. 28-34
Author(s):  
Aleksandr V. Vinogradov ◽  
Aleksey V. Bukreev
Keyword(s):  
Acoustic Signal ◽  
Acoustic Waves ◽  
Theoretical Calculations ◽  
Poor Quality ◽  
Electrical Circuit ◽  
Research Purpose ◽  
Electrical Wiring ◽  
The Right ◽  
The Cost ◽  
Technical Solutions

When repairing and replacing electrical wiring in enterprises, the main difficulty is the lack or poor quality of documentation, plans for conductors laying. Distinguishing wires (cables) and their cores by the color of the shells or using tags attached to the ends is difficult if the shells have the same color and there are no tags. Devices and technical solutions used to identify wires and cables do not allow recognizing conductors without breaking the electrical circuit, removing insulation, and de-energizing the network. Searching for the right conductor is a time-consuming operation. (Research purpose) The research purpose is developing a new microcontroller device for identifying wires using an acoustic signal. (Materials and methods) Literature sources has been searched for devices for conductors identifying. (Results and discussion) The article proposes a method that involves feeding an acoustic signal to a wire at one point and capturing it at another, in order to recognize the desired wire. The article presents results of comparison of the developed microcontroller device for identifying conductors using an acoustic signal with known devices and methods for conductors recognizing. (Conclusions) The article reveals the shortcomings of existing methods and means of identifying wires and cables. Authors performed a theoretical calculation of the sound pressure in the conductor at a given distance. The article presents the calculation of speed of acoustic waves in conductors with different types of insulation. Authors designed a microcontroller device for identifying conductors using an acoustic signal and tested it. It was determined that the device increases the safety of work, reduces the cost of operating internal wiring and identification time; eliminates the violation of wire insulation, the need to disable electrical receivers. The convergence of theoretical calculations and experimental data was shown.

Economic feasibility of restoration of degraded and neglected lands

2020 ◽  
pp. 79-90
Author(s):  
Anastasiya V. Mironova ◽  
Igor’ V. Liskin ◽  
Irina I. Afonina
Keyword(s):  
Soil Layer ◽  
Black Soil ◽  
Economic Feasibility ◽  
Research Purpose ◽  
Necessary Condition ◽  
Labor Costs ◽  
Human Needs ◽  
Fallow Lands ◽  
The Cost ◽  
Regions Of Russia

Neglect of soils leads to their degradation, worsens useful properties, and reduces fertility and productivity. (Research purpose) The research purpose is in conducting a comparative analysis of technologies for treating degraded soils, taking into account the economic feasibility of their restoration in non-black-soil regions of Russia. (Materials and methods) The article shows the main technological scheme of restoration of degraded soils. Authors have identified the main groups of land that are located in non-black-soil regions of Russia. (Results and discussion) The article presents the need for equipment, economic and labor costs for the restoration of each type of land in the non-black-soil regions of Russia. Authors took into account that the salary of machine operators depends on the time of direct execution of the task. It was found that the restoration of virgin and fallow lands was the most preferable from the economic, energy-saving and environmental points of view. The article shows that the restoration of pasture areas exceeds the cost of processing virgin lands, but the number of necessary machine and tractor units is comparable to work on virgin lands. Authors recommend to develop the soils with woody and shrubby vegetation in the first place, starting with land occupied by young plants. It is necessary to take into account the criteria for the fertility of the soil layer. It was found that soils with a small excess of moisture have small cost of its development, while on heavily swampy soils the cost of work on their development is many times higher than the cost of restoring other types of land. (Conclusion) The article shows that the restoration of neglected land is a necessary condition for improving the provision of human needs for food and a number of industrial goods. First of all, it is necessary to develop land that requires minimal investment of economic and labor costs.

Strategies of maintenance and repair of agricultural machinery

2020 ◽  
pp. 38-48
Author(s):  
Aleksey S. Dorokhov ◽  
Aleksandr V. Denisov ◽  
Aleksey A. Solomashkin ◽  
Valeriy S. Gerasimov
Keyword(s):  
Wear Rate ◽  
Technical Condition ◽  
Research Purpose ◽  
Agricultural Machinery ◽  
Maintenance And Repair ◽  
Wear Rates ◽  
Urgent Task ◽  
Machine Parts ◽  
Current Value ◽  
Agricultural Machines

Modern machines are subject to progressive wear that occurs at different rates, which leads to unpredictable failures that reduce the reliability and durability of machines. The strategy of maintenance and repair is aimed at eliminating these problems. (Research purpose) The research purpose is in analyzing the basic principles of the strategy of maintenance and repair of agricultural machinery in order to ensure control of the technical condition of machine parts. (Materials and methods) When resource diagnostics is used, , the allowable value of the parameter is set in advance for a part . This value is the tolerance that corresponds to a certain wear rate of the part. The tolerance is set based on the condition that if the current value of the controlled resource parameter during the next diagnosis is less than the set value, then such a part at the current value of the wear rate can be finalized until the next inter-control check. Taking into account the wear rate of the same type of parts from the group when determining the allowable wear during their resource diagnostics becomes an urgent task. (Results and discussions) As a result of research, the article presents "Methodology for determining the main indicators of reliability of parts of agricultural machines with different wear rates" and "Methodology for determining the tolerance system of parts of agricultural machines with different wear rates". (Conclusions) The article presents the tolerance system that reduces the probability of failure of machine parts in operation. During resource diagnostics, those parts whose resource parameters exceed the tolerance are rejected.

scholarly journals A cost analysis to address issues of budget constraints on the implementation of the indoor residual spray programme in two districts of Maputo Province, Mozambique

2021 ◽  
Vol 20 (1) ◽  
Author(s):  
Neide Canana
Keyword(s):  
Sensitivity Analysis ◽  
Cost Analysis ◽  
Financial Analysis ◽  
Indoor Residual Spraying ◽  
Economic Cost ◽  
Cost Information ◽  
Financial Cost ◽  
Provider Perspective ◽  
The Government ◽  
The Cost

Abstract Background It is frequently said that funding is essential to ensure optimal results from a malaria intervention control. However, in recent years, the capacity of the government of Mozambique to sustain the operational cost of indoor residual spraying (IRS) is facing numerous challenges due to restrictions of the Official Development Assistance. The purpose of the study was to estimate the cost of IRS operationalization in two districts of Maputo Province (Matutuíne and Namaacha) in Mozambique. The evidence produced in this study intends to provide decision-makers with insight into where they need to pay close attention in future planning in order to operationalize IRS with the existent budget in the actual context of budget restrictions. Methods Cost information was collected retrospectively from the provider perspective, and both economic and financial costs were calculated. A “one-way” deterministic sensitivity analysis was performed. Results The average economic costs totaled US$117,351.34, with an average economic cost per household sprayed of US$16.35, and an average economic cost per person protected of US$4.09. The average financial cost totaled US$69,174.83, with an average financial cost per household sprayed and per person protected of US$9.84 and US$2.46, respectively. Vehicle, salary, and insecticide costs were the greatest contributors to overall cost in the economic and financial analysis, corresponding to 52%, 17%, and 13% in the economic analysis and 21%, 27%, and 22% in the financial analysis, respectively. The sensitivity analysis was adapted to a range of ± (above and under) 25% change. There was an approximate change of 14% in the average economic cost when vehicle costs were decreased by 25%. In the financial analysis, the average financial cost was lowered by 7% when salary costs were decreased by 25%. Conclusions Altogether, the current cost analysis provides an impetus for the consideration of targeted IRS operationalization within the available governmental budget, by using locally-available human resources as spray operators to decrease costs and having IRS rounds be correctly timed to coincide with the build-up of vector populations.

THE TECHNICAL CONDITION OF THE SURVEYED HYDRAULIC UNITS IN THE MOSCOW REGION AND THE CLASSIFICATION FEATURES OF THEIR RESERVOIRS

2021 ◽  
pp. 69-79
Author(s):  
V. V. GRITSAN ◽  
Keyword(s):  
Technical Condition ◽  
Moscow Region ◽  
Risk Level ◽  
Ecological Framework ◽  
Safety Level ◽  
Repair Work ◽  
Hydraulic Unit ◽  
Technical Parameters ◽  
Characteristic Features ◽  
The Cost

The article presents the results of surveys of 311 class IV hydraulic structures carried out in 2016-2020 in the Moscow region. All the reservoirs of the surveyed hydraulic units were classified according to their characteristic features, the technical condition of culverts and dams was assessed, there was established the safety level of both separate structures and hydraulic units as a whole. During the surveys, the technical parameters of the surveyed structures were established, the state of each structure and the hydraulic unit as a whole was assessed, a possibility of their accident and a risk level for the downstream areas were considered. At the same time, recommendations were developed for the elimination of serious damage and, with the help of an examination, the amount of the cost of the necessary repair work was determined. The paper also assesses the issues of the ecological state of the areas where the hydraulic units are located and the hydraulic units themselves as blocks of the ecological framework of the territories.

Development of hydraulic cylinder diagnostic methods by modeling methods

2021 ◽  
pp. 41-45
Author(s):  
Keyword(s):  
Hydraulic Drive ◽  
Hydraulic Cylinder ◽  
Technical Condition ◽  
Diagnostic Methods ◽  
Technical Diagnostics ◽  
Remaining Service Life ◽  
Construction Machine ◽  
Piston Speed ◽  
Variable Nature ◽  
Hydraulic Cylinders

The hydraulic drive of a construction machine is a complex dynamic system that is subjected to many dynamic loads of a variable nature and operates under conditions of variable external influences caused by various factors. During operation, these loads cause failure of the hydraulic transmission elements. To prevent these malfunctions, technical diagnostics should be applied by determining their current technical condition and remaining service life. The article assesses the working condition of hydraulic cylinders using a mathematical model. Using matlab/simulink software to simulate the hydraulic cylinder and hydraulic piston speed when changing the hydraulic cylinder clearance. The simulation results are presented. Keywords: diagnostic, hydraulic cylinder, simulation, development

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