Mehanization and electrification of agricultural最新文献

{"title":"Analysis of modern methods of providing abiotic factors in the cultivation of uterine cultures","authors":"N. Pishchanska, V. Belchenko, V. Krutyakova","doi":"10.37204/0131-2189-2021-13-25","DOIUrl":"https://doi.org/10.37204/0131-2189-2021-13-25","url":null,"abstract":"Annotation\u0000Purpose. Improving the efficiency of cultivation of uterine crops through the use of new methods of creating a microclimate through thermal moisture treatment of air in mass transfer devices. Identification of optimal solutions by choosing the method of achieving the regulated values of temperature and relative humidity, which will meet the requirements of improving efficiency, energy efficiency and environmental friendliness by providing abiotic factors in the production of entomocultures.\u0000Methods. Analytical studies of the use of new devices for heat and moisture treatment of air to create a microclimate in entomological production.\u0000Results. The use of contact devices for thermo-moisture treatment of air to ensure a regulated range of temperatures and relative humidity in the cultivation of mother crops is substantiated. The advantages of using these devices in entomological laboratories are proved by means of comparative analysis of different methods of thermo-wet preparation of microclimate.\u0000Conclusions. The use of contact devices to ensure abiotic factors during the cultivation of uterine cultures is substantiated. It is established that their application will provide an increase in efficiency by almost 20%, energy efficiency – by 35%, environmental friendliness – by 15% with a constant impact on the quality of entomoproducts.\u0000Keywords: abiotic factors, entomocultures, thermo-wet air treatment, contact and surface air treatment devices, microclimate.","PeriodicalId":253322,"journal":{"name":"Mehanization and electrification of agricultural","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131175144","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"To the method of research of the process of division of rhizomes of miscanthus into parts and rhizomes with sieving of the soil","authors":"S. P. Pogorilyy, V. Prysyazhnyi, І. К. Каsprovich","doi":"10.37204/0131-2189-2021-14-14","DOIUrl":"https://doi.org/10.37204/0131-2189-2021-14-14","url":null,"abstract":"Annotation\u0000Purpose. Substantiation of structural and kinematic parameters of adapter components for division of miscanthus rhizomes into parts and rhizomes with soil sieving.\u0000Methods. Experimental studies of the process of separating miscanthus rhizomes into parts and rhizomes by adapter components with a change in the drum rotation frequency, length of variable digits of the drum, followed by processing the results on a PC. \u0000Results. The method of experimental research of the process of division of miscanthus rhizomes into parts and rhizomes is developed, the factors influencing the degree of division of miscanthus rhizomes into parts and rhizomes and intensity of soil sifting are determined, the plan-matrix of experimental researches is made.\u0000Conclusions\u00001. The factors influencing the degree of division of miscanthus rhizomes into parts and rhizomes and the intensity of soil sifting are determined.\u00002. A method for conducting experimental studies of the process of division of miscanthus rhizomes into parts and rhizomes has been developed.\u0000Keywords: research methods, division of rhizomes, parts, rhizomes, sifting of soil.","PeriodicalId":253322,"journal":{"name":"Mehanization and electrification of agricultural","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132967306","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Methodology for assessing the danger of erosion and formation of soil protection agro-landscapes","authors":"Bulygin S. Yu., Bulygina M. E.","doi":"10.37204/0131-2189-2022-15-25","DOIUrl":"https://doi.org/10.37204/0131-2189-2022-15-25","url":null,"abstract":"Purpose. On the basis of an in-depth analysis of the erosion safety of the soil cover of Ukraine, to determine the theoretical and applied principles of the formation of an agrolandscape with guaranteed soil protection, mainly by engineering methods.\u0000Methods. System comparative analysis of erosion hazard. Mathematical modeling of erosion processes. Physical simulation of anti-corrosion protection.\u0000Results. The main causes of progressive soil erosion in Ukraine have been revealed. Classified distributed soil erosion by types and species. The main reason for the development of erosion processes and the imbalance of modern agricultural landscapes of Ukraine, which is excessive plowing of the territory and agricultural lands, has been revealed. Annual erosion losses from arable lands of Ukraine are indicated. The main degradation processes of the soil cover have been identified. The main problems in land use and land protection, which are not solved and become chronic, are formulated. Generalized negative ecological consequences of soil erosion of the chernozem habitus. It has been proven that arable land is the main element of the entropy of “chaos” in the landscape. Algorithms for the construction of soil protection agrolandscape are formulated. The ability to use the hydromechanical model has been proven Ts. E. Mirtskhulava, which we have moderated for the assessment of erosion danger in the formation of agricultural landscape structures mainly by engineering methods, for a certain probability of manifestation of erosion danger and individual factors of soil erosion.\u0000Conclusions\u00001. The soil cover of the Earth is degraded by almost 100%, the greatest “weight” among degradation processes is occupied by the processes of water (36%) and wind (28%) erosions.\u00002. One of the most significant destabilizing factors is arable land. When natural vegetation is destroyed, the soil is destroyed as a result of a sharp increase in the direct absorption of solar radiation.\u00003. A reliable method of protecting soils from erosion is an agrolandscape – an engineering structure (structure) that must be designed and built mainly by engineering methods on a calculated and quantitative basis, which requires the presence of appropriate mathematical models verified in every way, those processes that determined the stability and productivity of lands. The “zero” cycle is the basis of the construction of the agro-landscape is the anti-erosion protection system.\u00004. For the formation of anti-erosion protection in the agricultural landscape, a mathematical model of erosion is necessary as a calculation quantitative base, preference should be given to theoretical models that adequately and physically conditionally describe natural processes.\u0000Keywords: soil erosion and degradation, agricultural landscape, mathematical models of erosion, erosion hazard.","PeriodicalId":253322,"journal":{"name":"Mehanization and electrification of agricultural","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132398183","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Increased wear resistance of subsoiler bits","authors":"Vаsylenko M. O., Buslаiev D. O., Kаlinin O. Ye., Kononogov Yu. A.","doi":"10.37204/0131-2189-2022-15-22","DOIUrl":"https://doi.org/10.37204/0131-2189-2022-15-22","url":null,"abstract":"Purpose. Improve wear resistance of subsoiler bits by coating with new wear-resistant materials.\u0000Methods. Graphic, micrometer, comparative and field tests of locally hardened experimental parts of tillage machines.\u0000Results. A technology has been developed for restoring and strengthening subsoiler bits using new wear-resistant materials.\u0000Conclusions\u00001. According to the results of laboratory comparative tests of samples of wear-resistant materials deposited by detonation and plasma methods, compression sintering and surfacing, it was found that materials made of tungsten carbides Kutrite Carbide size and VK-8 have the highest relative wear resistance, respectively, 96.15 and 50 times higher, compared with hardened steel 65G, and titanium, chromium and nickel carbides – 54.34 times higher.\u00002. Based on the results of a production inspection of a batch of restored and strengthened deep-rippers bits in the soil conditions of UPI-AGRO LLC, it was found that the operating time of experimental deep-rippers bits is at the level of original parts and their resource is about 480 hectares per TG Gaspardo Artiglio R17820721 unit and 240 hectares on the Dante Macchine unit.\u0000Keywords: hardening, wear resistance, subsoiler bits.","PeriodicalId":253322,"journal":{"name":"Mehanization and electrification of agricultural","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122209765","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Practical aspects of the implementation of the resource conservation system at various stages of soil cultivation and sowing in the difficult soil and climatic conditions of Central Ukraine","authors":"Chernovol V. V., Sviren M. O., Amosov V. V.","doi":"10.37204/0131-2189-2022-15-2","DOIUrl":"https://doi.org/10.37204/0131-2189-2022-15-2","url":null,"abstract":"Purpose. Justification of constructions of agricultural machines intended for the implementation of systems of soil protection and energy-saving technologies in the soil and climatic conditions of Central Ukraine.\u0000Methods. Analytical and monographic.\u0000Results. The results of multi-year field studies of the implementation of traditional and resource-saving technologies in the conditions of the Forest-Steppe zone of Ukraine are analyzed. It was determined that the system of soil cultivation in a specific farm should be chosen in accordance with the structure of crops, taking into account the biological requirements of cultivated crops, the topography of the fields, the physical and mechanical properties of the soil, the presence and depth of the layer of high compaction. It is also necessary to evaluate the economic expediency of farm expenses for different tillage options for each field for crop rotation. The work proves the necessity of introducing into production the following tillage and seeding machines developed by scientists of the National Technical University: a roller-shredder of harvest residues with optimized parameters of a cylindrical drum, a family of multi-layer soil looseners, chisel tools for high-quality no-till soil cultivation with various physical and mechanical properties, elastic supports of cultivator paws with adjustment of vibration characteristics depending on the type and condition of the soil, optimal design of the section for direct sowing of grain crops with local application of liquid fertilizers. The implementation of the proposed technique in the technological processes of growing agricultural crops should become the basis for the introduction of soil protection and energy-saving.\u0000Conclusions. The proposed technique for the technological processes of growing agricultural crops for the introduction of soil protection and energy-saving technologies allows you to reduce fuel consumption by more than half, from 79.5 l/ha under traditional technologies to 39 l/ha under the developed improved farming system built on the principles of No-Till, and the device for applying liquid fertilizers as part of the modernized section of the Terra Nova 1714 planter allows this operation to be carried out simultaneously with sowing to a depth that is 10–20 mm greater than the depth of the seed placement.\u0000Keywords: resource conservation system, tillage, shredder roller, soil loosener, chisel tool, elastic rack.","PeriodicalId":253322,"journal":{"name":"Mehanization and electrification of agricultural","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115437152","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Rationale for the type of unmanned aerial vehicle for trichogramma settlement","authors":"S. Maranda","doi":"10.37204/0131-2189-2021-14-6","DOIUrl":"https://doi.org/10.37204/0131-2189-2021-14-6","url":null,"abstract":"Annotation\u0000Purpose. Improving the quality of distribution of technological material on the field surface by substantiating the rational type of unmanned aerial vehicle.\u0000Methods. Analytical study of the design of unmanned aerial vehicles. Theoretical study of the movement of a particle of technological material.\u0000Results. The application of mineral fertilizers and plant protection products against pests by unmanned aerial vehicles is one of the most promising technologies today. Depending on the type of unmanned aerial vehicle, their advantages and disadvantages are determined, which directly affect the quality of the technological operation. Theoretical studies of the motion of a particle of technological material from the dosing and scattering device to the soil surface depending on the type of aircraft, which established the influence of air flows on the quality of distribution of technological material on the field surface. According to the results of field tests of the dosing and scattering device, the performance of the aircraft is determined depending on its type.\u0000Conclusions\u00001. An analysis of unmanned aerial vehicles has shown that multicopters and aircraft have both advantages and disadvantages. Aircraft have higher speed and performance, and multicopters have greater flight stabilization.\u00002. When applying technological material by multicopters, the quality of distribution is lower in comparison with airplanes due to squatting by air currents of propellers.\u00003. With increasing speed from 5 to 15 m/s at a height of 5 m, the width of the grip increased from 6 m to 7 m, which increased by 116.6 %. At a displacement of 15 m, the width of the grip increased by 125 %.\u00004. When changing the height of movement of the dosing and spreading device from 5 to 15 m at a speed of 5 m/s the width of capture increased from 6 m to 8 m, i.e. by 132.4 %, and at a speed of 15 m/s the width of capture increased from 7 m to 10 m, which corresponds to 141.6 %.\u00005. As a result of the industrial inspection of the dosing and scattering device for settling the trichogram, it was found that the productivity of the aircraft is 2 times higher compared to the multicopter, due to the speed and is 120 ha/h.\u0000Keywords: trichogramma settlement, agricultural multicopter, unmanned aerial vehicle, biological plant protection, settlement rate, capture width.","PeriodicalId":253322,"journal":{"name":"Mehanization and electrification of agricultural","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115840372","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Features of the vegetable market in Ukraine","authors":"R. Kudrynetskyi, V. Dnes, V. Skibchyk, O. Krupych","doi":"10.37204/0131-2189-2021-13-24","DOIUrl":"https://doi.org/10.37204/0131-2189-2021-13-24","url":null,"abstract":"Annotation\u0000Purpose. Analyze current trends in the market of vegetable crops and identify factors that shape the situation in the vegetable market.\u0000Methods. In the course of the research, the methods of monographic, system analysis and synthesis were used.\u0000Results. The current trends in the vegetable market both in the world and in Ukraine are identified: the dynamics of production, consumption and prices are traced, the directions of development of the vegetable market are determined. The vegetable market is characterized by complexity and segmentation due to the large variety of vegetables, which differ in terms and features of cultivation, location of production, methods of use and storage, and the peculiarity of the vegetable industry is that the vast majority of vegetables – 85% are produced in households. The main components of the vegetable market in Ukraine are considered, namely: demand and supply of vegetables, trends in vegetable prices, the state and problems of market infrastructure development.\u0000Conclusions\u0000Today, vegetable growing is one of the priority areas of agricultural production in Ukraine. The vegetable market of Ukraine is quite self-sufficient, its capacity depends on production volumes. The main producers of vegetable products are households, the share of which from the total number of its producers is over 85%. The main factors that inhibit the development of vegetable growing are: low development of logistics; the state still has a system of spontaneous sale of vegetables; small number of vegetable storages; vegetable cooperatives, etc. do not function.\u0000Improving the efficiency of vegetable production is possible if it is provided during the production of vegetable products: the use of new resource-saving production technologies, which in turn will lead to a reduction in labor costs, reducing the cost of vegetable production; by optimizing the organization of production in the industry, namely the construction of the required number of vegetable storages, the creation of processing units in large farms, and for households to unite in appropriate vegetable cooperatives, which will rationally use all grown products and optimize sales channels.\u0000Keywords: market conditions, vegetable market, yield, vegetable production, vegetable prices, demand, supply.","PeriodicalId":253322,"journal":{"name":"Mehanization and electrification of agricultural","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116344388","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Economic evaluation of the introduction by precision technological line for the separation of sunflower seed","authors":"Aliiev, Elchin Bakhtiyar ogli","doi":"10.37204/0131-2189-2019-9-9","DOIUrl":"https://doi.org/10.37204/0131-2189-2019-9-9","url":null,"abstract":"Purpose. Determine the economic efficiency of the developed precision technological line for the separation sunflower seed during the breeding process.\u0000Methods. Calculations are made by the method economic evaluation of equipment at the testing stage, which is the industry standard of Ukraine – DSTU 4397-2005 and GSTU 3-37-4-94. A simple interlinear hybrid was selected as the object economic evaluation the separation of seed mixture during the selection and seed-growing process. The priority selection is the Institute of Oilseed Crops NAAS. The rational precision technological line developed for the separation of sunflower seed material was compared with the traditional one based on the results of theoretical and experimental researches.\u0000Results. Based on the requirements the accuracy technological processes of cleaning and separation seed mixture, a rational technological line has been developed for the processes separation of seed material sunflower for pre-sample and basic seed production.\u0000Calculations show that the proposed rational technological line for the separation of sunflower seed material has higher capital investments (30%) and in accordance with this the costs for depreciation, repairs and maintenance – 34.4%, but lower energy costs – 12.7%, labor costs – 61.1%. In addition, the proposed line compared to the traditional provides an additional economic effect – 8.6%, which is achieved by preventing the loss liquid seed in the process separation of seed mixture.\u0000Conclusions. The specific economic effect from the breeding ground the parent components of the sunflower hybrid. Priority (0.5 hectares), subject to the cost of the seed F1 obtained (80000 UAH/t) is 6906.77 UAH/t. At the same time, the payback period for additional investments is 2.12 years.\u0000Keywords: sunflower, hybrid, seed, separation, precision processing line, evaluation, economic efficiency.","PeriodicalId":253322,"journal":{"name":"Mehanization and electrification of agricultural","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123146979","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Substantiation of technological parameters of equipment for application of plant protection products using multicopters","authors":"Yu. G. Vozhik, S. Maranda, P. Vitrukh","doi":"10.37204/0131-2189-2021-14-5","DOIUrl":"https://doi.org/10.37204/0131-2189-2021-14-5","url":null,"abstract":"Annotation\u0000Purpose. Improving the efficiency of field spraying and creating safe working conditions for maintenance personnel through the use of unmanned multicopters, the air jets from the propellers of which will not distort the flares of the sprayed solution of plant protection products (PPE).\u0000Methods. The method of analysis of variable time components of agricultural units is used.\u0000Results. Dependences of technical and operational indicators of technological equipment of a multicopter on this design and mode parameters and their rational values are received. Comparative data of multicopter and ground sprayers were obtained, which revealed the indisputable advantages of the former over the latter.\u0000Conclusions\u00001. One of the successful alternatives to ground sprayers is the use of unmanned aerial vehicles – multicopters, which, unlike ground vehicles, do not need to leave in the field among the plants technological tracks that reduce up to 5 % usable area and do not depend on soil and plant height. Due to the significant high working speed in comparison with ground means (from 3 m/s to 10 m/s) and practically absence of time for turns at the end of a run (3–5 s) one multicopter with width of capture of 10–12 m, can replace ground sprayer with a width of 50 m and five times the cost.\u00002. The rational structural and functional scheme of the technological equipment of the multicopter for plant protection must be similar to the ground sprayers of the frame construction, on the sides of which the screws of the multicopter are installed, and between them the spraying equipment.\u00003. Reducing the rate of application of PPE solution from low-volume (50 l/ha) to ultra-low-volume (10 l/ha) spraying increases productivity by only 1,3 times and significant complexity of the equipment.\u00004. Reducing battery time during multicopter operation from 180 minutes to 10 minutes reduces performance by only 10 %.\u00005. For low-volume spraying, a sufficient tank capacity for the PPE solution is 30 liters.\u00006. To increase productivity and reduce material costs for batteries, the multicopter must be equipped with a hybrid power plant with an internal combustion engine, which will recharge the battery to drive its propellers.\u00007. Increasing the capacity of the tank for the solution of PPE in ground sprayers from 3000 liters to 15000 liters is not economically feasible due to a slight (up to 10 %) increase in productivity, increased soil compaction and energy consumption.\u0000Keywords: agricultural multicopter, multicopter-sprayer, agricultural drone, liquid sprayers, ultra-low-volume spraying, parameters, modes.","PeriodicalId":253322,"journal":{"name":"Mehanization and electrification of agricultural","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128746004","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Trends in the development of threshing and separating systems of combine harvesters","authors":"O. M. Hritsaka","doi":"10.37204/0131-2189-2021-13-7","DOIUrl":"https://doi.org/10.37204/0131-2189-2021-13-7","url":null,"abstract":"Annotation\u0000Purpose. Research of the efficiency of using combine harvesters, designs of threshing, analysis of the trends of their development, increasing the power of the engines and the improvement of design and technological parameters.\u0000Methods. Analytical studies were conducted to determine the use of combine harvesters due to a combination of development, design and technological parameters of combines from engine power.\u0000Results. An analysis shows that intensive processes in the production of combine harvesters over the past 20 years have led to the formation of powerful manufacturing corporations – companies “Claas”, “John Deere”, “New Holland”, “Deutz Fahr”, “CASE IH”, “Massey Ferguson”, “Fiatagri”, “JSC Rostsilmash”, “Fendt”, “Gomsilmash” “PALESSE”, “MDW”, etc., which unite numerous enterprises of equipment manufacturers in different countries of the world. According to the engine power, the designs of modern combine harvesters are divided into 12 groups of 50 hp up to 800 hp.\u0000Conclusions. According to the results of the research, it is established that the most common today is the traditional threshing and separating device (threshing drum + beater), which is used by almost all leading companies-manufacturers of combine harvesters, except “CASE IH”.\u0000At the same time, there is an expansion of production of combines with axial-rotary schemes, which are characterized by versatility, versatility, energy saving when harvesting different crops.\u0000There is a constant dynamic increase in the power of combines. So if in 2000 the engine power of combine harvesters was 200–220 kW, in 2010 – in the range of 350–400 kW, today this figure in the combines of leading manufacturers-reached 770 kW (Claas Lexion 780 Terra Trac, John Deere X9 1100, Massey Ferguson IDEAL 7, New Holland CX 8090, FENDT IDEAL 9T).\u0000The increase in the capacity of combine harvesters occurs with the simultaneous improvement of the designs of the threshing and separating device.\u0000Keywords: combine harvesters, threshing and separating device, construction, power, engine, and tendency.","PeriodicalId":253322,"journal":{"name":"Mehanization and electrification of agricultural","volume":"263 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133343552","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}