Traktory i sel'hozmashiny最新文献

{"title":"Results of experimental studies of a tractor equipped with an elastic-damping mechanism when aggregated with a seeder","authors":"S. E. Sen'kevich, Ye.N. Ilchenko, I. Alekseyev","doi":"10.31992/0321-4443-2021-4-33-44","DOIUrl":"https://doi.org/10.31992/0321-4443-2021-4-33-44","url":null,"abstract":"One of the significant factors influencing the operation of the tractor is the unsteady load that occurs when starting off, during the initial period of acceleration and deceleration. The elastic-damping mechanisms are used to reduce the negative consequences of such loads. Scientists still develop and study their application. In this article, the analysis of the cross correlation function and the analysis of the mutual spectral density of two processes were carried out. The analyzed process-es were the engine crankshaft speed and the drive wheel speed. This analysis shows the change in the speed of the passing load frequencies along the shaft line of the traction class 1.4 wheeled trac-tor power transmission, where an elastic-damping mechanism is installed. The studies were carried out for the operating conditions of a tractor with a seeder. The purpose of the study was to deter-mine the effect of the elastic-damping mechanism installed in the power transmission of a tractor on its operation with a trailed seeder. In the general case, the object of research is the functioning of a tractor of traction class 1.4 process, which is located in a unit with a seeder. Analysis of the mutual correlation function of the two processes showed a change in the speed of the passing load frequen-cies along the shaft line. The ratio of the propagation time of the disturbance signal in the experi-mental tractor in relation to the production version along the shaft line when aggregating the tractor with the seeder decreases by 40.1%. The analysis of the mutual spectral density shows a shift in the frequency of disturbing influences in relation to the serial version and a decrease in their value when the tractor is aggregated with a seeder by 33.3%. The value of the mutual spectral density is lower in the experimental version of the tractor, which may mean that the elastic-damping mechanism, as an element of the power transmission, absorbs part of the load fluctuations and reduces their propagation speed along the shaft line.","PeriodicalId":160902,"journal":{"name":"Traktory i sel'hozmashiny","volume":"10 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":"133078172","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":"Seeder with openers for sowing grain and multi-level application of mineral fertilizers","authors":"A. Kem","doi":"10.31992/0321-4443-2019-1-16-20","DOIUrl":"https://doi.org/10.31992/0321-4443-2019-1-16-20","url":null,"abstract":"","PeriodicalId":160902,"journal":{"name":"Traktory i sel'hozmashiny","volume":"31 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":"123958847","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":"Increasing the smoothness of movement of the forage harvester by optimizing the mass-dimensional and inertial parameters of its body","authors":"P. Sirotin, M. M. ZHilejkin","doi":"10.31992/0321-4443-2019-5-40-47","DOIUrl":"https://doi.org/10.31992/0321-4443-2019-5-40-47","url":null,"abstract":"","PeriodicalId":160902,"journal":{"name":"Traktory i sel'hozmashiny","volume":"122 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":"133781058","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":"Heat generation in biofuel tractor diesel engines","authors":"V. A. Lihanov, O. Lopatin","doi":"10.31992/0321-4443-2019-2-3-9","DOIUrl":"https://doi.org/10.31992/0321-4443-2019-2-3-9","url":null,"abstract":"","PeriodicalId":160902,"journal":{"name":"Traktory i sel'hozmashiny","volume":"14 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":"128356695","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":"Intensification of the recovery of hydraulic equipment parts by iron in the electrolyte flow","authors":"Yu. E. Kisel’, S. Simokhin, S. A. Murachev","doi":"10.31992/0321-4443-2021-4-63-70","DOIUrl":"https://doi.org/10.31992/0321-4443-2021-4-63-70","url":null,"abstract":"The technology of bath-free ironing of parts in an electrolyte flow with simultaneous hydrome-chanical activation of the growing surface is proposed. Its advantages over the traditional type of coating are introduced. The structure, some physicomechanical and operational properties of iron coatings were studied depending on the electrolysis regimes and the composition of electrolytes. The possibility of high-speed electrodeposition of iron with a wide range of physical and mechanical properties is shown. There were shown the electrolysis modes, which make it possible to obtain high-quality strong-adhered pure-iron coatings with a wear resistance several times higher than hardened alloy steels and a precipitation growth rate tens of times higher than with traditional iron-ing. A typical technological process of parts ironing was developed. It was tested on the example of restoration of hydraulic valve spools of agricultural machinery. The design of an installation and an electrochemical cell for ironing the valve hydraulic distributors, providing optimal hydrodynamic conditions when applying coatings to worn surfaces, was proposed. Recommendations for the post-electrolysis treatment of restored parts by iron are given. Bench and field tests of hydraulic valves with remanufactured valves were carried out. They confirmed the results of laboratory studies, and showed that no malfunctions were identified during the operation period. Technical and economic calculations have shown the high efficiency of the proposed technology in comparison with tradi-tional ironing. The introduction of the technology in production will reduce the production area and the time spent on restoring parts by increasing the productivity of the iron process and reducing the number of operations, reducing the cost of materials for preparing electrolytes by reducing the op-eration of anodic treatment and washing, and increasing the reliability of the technology by improv-ing its structural scheme.","PeriodicalId":160902,"journal":{"name":"Traktory i sel'hozmashiny","volume":"4 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":"130303660","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":"Load characteristics of a vehicle diesel engine using natural gas as a fuel","authors":"V. A. Lihanov, M. Skryabin, A. V. Grebnev","doi":"10.31992/0321-4443-2019-4-12-17","DOIUrl":"https://doi.org/10.31992/0321-4443-2019-4-12-17","url":null,"abstract":"","PeriodicalId":160902,"journal":{"name":"Traktory i sel'hozmashiny","volume":"195 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":"133836575","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 method for obtaining a section of reduced stiffness on the elastic characteristic of a vehicle tire","authors":"I. Ryabov, A. Pozdeev, V. V. Erontaev, E. V. ZHdamirova","doi":"10.31992/0321-4443-2019-6-36-47","DOIUrl":"https://doi.org/10.31992/0321-4443-2019-6-36-47","url":null,"abstract":"Ñòàòüÿ ïîñâÿùåíà ðàçðàáîòêå ìåòîäà ïîëó÷åíèÿ ó÷àñòêà ïîíèæåííîé æåñòêîñòè íà óïðóãîé õàðàêòåðèñòèêå ïíåâìàòè÷åñêîé øèíû êîëåñíîé ìàøèíû. Ïðåäëîæåí ïóòü ñíèæåíèÿ ðàäèàëüíîé æåñòêîñòè øèíû çà ñ÷åò ïîëó÷åíèÿ ó÷àñòêà ñ ïîíèæåííîé æåñòêîñòüþ íà óïðóãîé õàðàêòåðèñòèêå ïíåâìàòè÷åñêèõ øèí, êîòîðûé, â îòëè÷èå îò èçâåñòíûõ ðàíåå, ïîçâîëÿåò çíà÷èòåëüíî ñíèçèòü ðàäèàëüíóþ æåñòêîñòü ïíåâìàòè÷åñêîé øèíû áåç óâåëè÷åíèÿ åå ñòàòè÷åñêîé ðàäèàëüíîé äåôîðìàöèè è ïîòåðü íà êà÷åíèå. Ñóùíîñòü ìåòîäà ïîëó÷åíèÿ ó÷àñòêà ñ ïîíèæåííîé æåñòêîñòüþ çàêëþ÷àåòñÿ â ñíèæåíèè äàâëåíèÿ âîçäóõà â ïíåâìàòè÷åñêîé øèíå ïðè óâåëè÷åíèè åå ðàäèàëüíîé äåôîðìàöèè ñ ïîìîùüþ îðèãèíàëüíûõ âíóòðåííèõ óñòðîéñòâ, ðàçìåùåííûõ âíóòðè øèíû. Ðàçðàáîòàí àëãîðèòì, âêëþ÷àþùèé ÷åòûðå ýòàïà, ïîëó÷åíà óïðóãàÿ õàðàêòåðèñòèêà ïíåâìàòè÷åñêîé øèíû 8.4015 ñ ó÷àñòêîì ñ ïîíèæåííîé â 4 ðàçà æåñòêîñòüþ. Ýòî îáåñïå÷èâàåò óìåíüøåíèå ñîáñòâåííîé ÷àñòîòû âåðòèêàëüíûõ êîëåáàíèé ïîäðåññîðåííîé ìàññû íà øèíå ïî÷òè â 2 ðàçà: ñ 3,5 äî 1,8 Ãö. Íà îñíîâå ðàçðàáîòàííîãî ìåòîäà îïðåäåëåíû çàâèñèìîñòè äëèíû ó÷àñòêà ïîíèæåííîé æåñòêîñòè è èçìåíåíèÿ ñèëû íà ýòîì ó÷àñòêå îò ðåàëèçóåìîé ÷àñòîòû ñîáñòâåííûõ êîëåáàíèé ïîäðåññîðåííîé ìàññû íà øèíå. Äëÿ øèíû 8.40-15 îïðåäåëåíà çàâèñèìîñòü èçìåíåíèÿ ñèëû íà ó÷àñòêå ñ çàäàííîé ïîíèæåííîé æåñòêîñòüþ îò åãî äëèíû, êîòîðàÿ ïîêàçàëà, ÷òî ñ ðîñòîì äëèíû ýòîãî ó÷àñòêà ïðîèñõîäèò ïðîãðåññèâíîå èçìåíåíèå íàãðóçêè íà øèíó íà ýòîì æå ó÷àñòêå. Êðîìå òîãî, ïîëó÷åíû çàâèñèìîñòè èçìåíåíèÿ äàâëåíèÿ â øèíå îò åå ðàäèàëüíîé äåôîðìàöèè íà ó÷àñòêàõ ïîíèæåííîé æåñòêîñòè äëÿ ðàçëè÷íîé çàäàííîé ÷àñòîòû ñîáñòâåííûõ êîëåáàíèé ìàññû ãðóçà íà øèíå. Ïðåäñòàâëåíû êîíñòðóêòèâíûå ñõåìû êîëåñ òðàíñïîðòíûõ ñðåäñòâ, ó êîòîðûõ øèíà ñîäåðæèò âíóòðåííèå ñòðóêòóðíûå ýëåìåíòû, ðåàëèçóþùèå ïðåäëîæåííûé ìåòîä ñíèæåíèÿ ðàäèàëüíîé æåñòêîñòè àâòîìîáèëüíîé øèíû è, êðîìå òîãî, îáëàäàþùèå âíóòðåííèì ãèäðàâëè÷åñêèì èëè âîçäóøíûì äåìïôèðîâàíèåì âåðòèêàëüíûõ êîëåáàíèé êîëåñà.","PeriodicalId":160902,"journal":{"name":"Traktory i sel'hozmashiny","volume":"212 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":"117286607","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":"Method of improving the service properties of the plowshare frame using abrasion-resistant surfacing materials and polymer composites","authors":"A. M. Mihal'chenkov, M. A. Mihal'chenkova, M. Petrakov, A. A. Gucan","doi":"10.31992/0321-4443-2019-3-70-75","DOIUrl":"https://doi.org/10.31992/0321-4443-2019-3-70-75","url":null,"abstract":"","PeriodicalId":160902,"journal":{"name":"Traktory i sel'hozmashiny","volume":"18 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":"115444852","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":"Computer simulation of the “engine-working machine” mechanical system","authors":"V. N. Delyagin, I. P. Dobrolyubov","doi":"10.31992/0321-4443-2019-2-35-40","DOIUrl":"https://doi.org/10.31992/0321-4443-2019-2-35-40","url":null,"abstract":"","PeriodicalId":160902,"journal":{"name":"Traktory i sel'hozmashiny","volume":"22 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":"114361407","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":"The development of tractor theory","authors":"G. M. Kut'kov","doi":"10.31992/0321-4443-2021-3-6-19","DOIUrl":"https://doi.org/10.31992/0321-4443-2021-3-6-19","url":null,"abstract":"The article discusses the main developments of the author in the field of tractor theory, which were published at different times and in different editions of technical literature, including Tractors and Agricultural Machinery journal. These are traction dynamics of the tractor; modular energy technology facilities and block-modular tractor aggregation system; a method for optimizing the type of a tractor, as well as the combustion chamber of the D-75 engine implemented in production and GOST for testing agricultural tractors.","PeriodicalId":160902,"journal":{"name":"Traktory i sel'hozmashiny","volume":"11 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":"128108074","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}