Traktory i sel'hozmashiny最新文献

{"title":"Improving the design of the tractor seat","authors":"E. Dmitrieva, A. Myakishev","doi":"10.31992/0321-4443-2019-4-50-53","DOIUrl":"https://doi.org/10.31992/0321-4443-2019-4-50-53","url":null,"abstract":"","PeriodicalId":160902,"journal":{"name":"Traktory i sel'hozmashiny","volume":"6 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":"125050312","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":"Implementation of nature-like technologies in the development of new working bodies for tillage in arid conditions","authors":"G. G. Parhomenko","doi":"10.31992/0321-4443-2019-6-65-73","DOIUrl":"https://doi.org/10.31992/0321-4443-2019-6-65-73","url":null,"abstract":"","PeriodicalId":160902,"journal":{"name":"Traktory i sel'hozmashiny","volume":"42 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":"132997509","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":"Study of the continuous mode of mixing feed components in a mixing plant","authors":"P. Solonshchikov, Fgbou Vo Vyatskiy Gatu","doi":"10.31992/0321-4443-2021-4-71-76","DOIUrl":"https://doi.org/10.31992/0321-4443-2021-4-71-76","url":null,"abstract":"The article discusses the problem of developing means that can increase the efficiency of mecha-nization of the process of preparing liquid feed in animal husbandry. Design bureaus, research and technological institutes for mechanization and electrification of agriculture have developed new progressive technologies, as well as kits, units, machines and apparatus for animal husbandry and fodder production. On the basis of this technique, complex mechanization of farms is being intro-duced and livestock complexes with industrial production technology are being created. But recent-ly, the widespread use of domestic machines for the preparation of liquid feed mixtures has not been presented. Therefore, an experimental setup that combines three functions: a batcher, a pump and a mixer is proposed. It ultimately allows to obtain a mixture of good quality. The article pro-vides a program and research methodology for the setup. For this, a special test bench has been de-veloped. It makes possible to determine the parameters of the mixture quality and the specific con-sumption of electrical energy. As a search for the optimal combination of factors for the optimiza-tion criteria: the degree of homogeneity and the specific consumption of electrical energy, plan 32 was chosen. Experimental studies have shown the range of supply of the installation at different speeds of rotation of the impeller shaft. Mixing studies have confirmed the effectiveness of the de-sign of the plant and its components: dispenser, pump and mixer. With the help of experimental planning methods, the main factors influencing the mixing process are identified, and the optimal parameters of the mixture quality are determined. According to the studies of the continuous intro-duction of components in an experimental setup for the preparation of liquid feed mixtures, it was obtained that the optimal combinations of factors would be the water temperature t = 26 ... 38 oC and the rotation frequency n = 1500 ... 1650 min-1, while the degree of homogeneity reaches Θ = 94,6% and unit costs of electric energy Eel = 0.198 kWh / t.d. h.","PeriodicalId":160902,"journal":{"name":"Traktory i sel'hozmashiny","volume":"40 8","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132973830","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 the design and technological parameters of the spiral roller for the onion harvesting machine","authors":"A. V. Sibiryov, A. Aksenov","doi":"10.31992/0321-4443-2019-2-45-50","DOIUrl":"https://doi.org/10.31992/0321-4443-2019-2-45-50","url":null,"abstract":"","PeriodicalId":160902,"journal":{"name":"Traktory i sel'hozmashiny","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":"129928090","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":"Installation of screw reduction UVO 20-50 for hardening and calibration of cylindrical parts and billets of agricultural machinery","authors":"V. Dement'yev, A. Zasypkin, M. Sterkhov, A. Churkin","doi":"10.31992/0321-4443-2021-3-62-68","DOIUrl":"https://doi.org/10.31992/0321-4443-2021-3-62-68","url":null,"abstract":"A screw reduction unit UVO 20-50 (diameter of hardened products from 20 mm to 55 mm) with a closed cooling system for hardened rolled products with the ability to integrate equipment into a production line for manufacturing parts was developed. The UVO unit is intended for shaping and hardening of cylindrical parts by high-temperature thermomechanical treatment (HTMT) with metal deformation by screw compression (VO), ensuring the technical characteristics of products. It is known that some thermomechanical methods of hardening and production of rolled products, for example, steels HTMT, in comparison with conventional types of hardening heat treatment, provide a set of higher properties: strength, ductility and fracture resistance. Evaluating the efficiency of us-ing the hardening thermomechanical treatment of long products for highly loaded parts, it is neces-sary to use the criteria of fracture mechanics, to study the resistance to brittle and cyclic fracture of steel under the action of stress concentrators, negative temperatures and other difficult test and op-erating conditions. Taking into account the increased properties of steels with HTMT, it becomes possible to use hollow sections instead of solid billets. The investigated materials and the revealed patterns allow authors to conclude that thick-walled hollow parts, which are used to save metal and lighten the weight of structures, should be considered not only as full-fledged substitutes for solid ones, but also as having an advantage over the latter, mainly due to their better hardenability at sur-face cold working and less sensitivity to stress concentration at cyclic loads, which makes them more reliable in operation. These research results substantiate the wider use of hollow profiles for such parts of agricultural machinery as track pins, shafts, axles, torsion bars and other parts for var-ious purposes.","PeriodicalId":160902,"journal":{"name":"Traktory i sel'hozmashiny","volume":"196 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":"123218636","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":"Determination of the optimal composition of mixed fuel based on environmental indicators of diesel engine","authors":"S. Plotnikov, P.V. Gnevashev","doi":"10.31992/0321-4443-2021-2-16-20","DOIUrl":"https://doi.org/10.31992/0321-4443-2021-2-16-20","url":null,"abstract":"Alternative motor fuel is a mixture of various hydrocarbons and their compounds. Motor fuel is based on naphthenic, paraffinic and aromatic hydrocarbons. The performance characteristics of the fuel depend on its composition. When developing methods for monitoring the characteristics of fuels, the main problem is their multicomponent nature, since each component contributes to the operational characteristics. The operational characteristics are: cetane number, sulfur content, water-soluble acids and alkalis, lower heat of combustion and some others. To determine them, the combustion of diesel fuel (DF) and the subsequent analysis of the combustion products are carried out. The disadvantage of the existing method is the fact that it is impossible to quickly control the fuel at the place of operation, at a tank farm, a gas station, a process pipe or a vehicle fuel tank. When designing analyzers and measuring instruments the correlation dependences, which link the value of the operational property of the fuel with its physicochemical characteristics, are used. Taking into account the use of various types of alternative fuels (AT) with a wide range of their operational properties, the problem of a quick and accurate preliminary assessment of these proper-ties arises. Along with diesel fuel, it is proposed to use similar physicochemical methods to assess the flammability of alternative fuels.","PeriodicalId":160902,"journal":{"name":"Traktory i sel'hozmashiny","volume":"105 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":"122617620","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":"Development of a front-end loader for an MTZ tractor using 3D modeling","authors":"V. Dmitrenko, R. D. Adakin, I. M. Sockaya, A. A. Hot'ko","doi":"10.31992/0321-4443-2019-3-19-28","DOIUrl":"https://doi.org/10.31992/0321-4443-2019-3-19-28","url":null,"abstract":"","PeriodicalId":160902,"journal":{"name":"Traktory i sel'hozmashiny","volume":"25 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":"123300717","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":"System studies of the preparation of protein feed","authors":"I. Priporov","doi":"10.31992/0321-4443-2019-1-75-80","DOIUrl":"https://doi.org/10.31992/0321-4443-2019-1-75-80","url":null,"abstract":"","PeriodicalId":160902,"journal":{"name":"Traktory i sel'hozmashiny","volume":"2 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":"114989246","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":"Experimental determination of the parameters of the characteristics of the seat suspension for automotive vehicles","authors":"Z. A. Godzhayev, M. Lyashenko, V. Shekhovtsov, P. Potapov, A. Dolotov, A. I. Iskaliyev","doi":"10.31992/0321-4443-2021-3-20-26","DOIUrl":"https://doi.org/10.31992/0321-4443-2021-3-20-26","url":null,"abstract":"This article describes the methodology and results of the experimental determination of the stat-ic-elastic damping characteristics of the Sibeco air suspension with a scissor guide mechanism. To implement the measurement procedure in laboratory conditions, bench equipment, including a compressor unit (power system) with a control pressure gauge, a measuring device (height gauge) for fixing linear displacements and reference weights, was used. The measurements were carried out stepwise at various fixed values of air pressure in the pneumatic elastic element, as well as in the presence or absence of a standard unregulated hydraulic shock absorber in the design of the con-sidered seat suspension system. The whole process of obtaining the necessary parameters was held in accordance with the recommendations of the official domestic regulatory documentation, which establishes regulations on the general technical conditions for the design of seats for automotive ve-hicles. There were analyzed the obtained curves of the static characteristics of the seat suspension, including for the presence of a character of nonlinearity in different specific sections of the charac-teristic. Based on these results, the values of the parameters of stiffness, natural frequency and re-sistance forces (“dry friction” forces) were calculated during the compression and rebound strokes of the seat suspension for certain measurement conditions. Additionally, an assessment for the com-pliance of these parameters with the normative indicators of domestic technical standards was made. Also, the dependences of the instantaneous values of the stiffness of the considered air sus-pension of the Sibeco seat on deformation at various air pressures in the pneumatic elastic element were constructed and analyzed. Recommendations on the operation of this device for cushioning the seats of operators of motor and tractor equipment were given.","PeriodicalId":160902,"journal":{"name":"Traktory i sel'hozmashiny","volume":"260 24 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":"121718985","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":"Improving the design of the trolley for the manual harvesting of strawberry","authors":"V. Ozherelev, M. V. Ozhereleva, V. Somin","doi":"10.31992/0321-4443-2019-4-22-27","DOIUrl":"https://doi.org/10.31992/0321-4443-2019-4-22-27","url":null,"abstract":"","PeriodicalId":160902,"journal":{"name":"Traktory i sel'hozmashiny","volume":"113 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":"126924099","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}