卷 81, 编号 5 (2014)
- 年: 2014
- ##issue.datePublished##: 15.05.2014
- 文章: 18
- URL: https://journals.eco-vector.com/0321-4443/issue/view/3626
Articles
Estimation of tractor life cycle cost
摘要
Methodological issues of tractor life cycle cost estimation are considered. Recommended calculation methods of the basic components of total costs for life cycle or for arbitrary period of use are given. An example of the developed method using for calculation of a tractor life cycle cost is given.
Tractors and Agricultural Machinery. 2014;81(5):3-9
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Diesel engine conversion to fuel supply with compressed natural gas
摘要
Issues of diesel engine conversion to fuel supply with compressed natural gas as the most efficient solution of existing energy and ecological problems, and associated with them technical, technological and industrial problems, are considered.
Tractors and Agricultural Machinery. 2014;81(5):10-12
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Mobile applications for agriculture
摘要
List of mobile applications are given, their capabilities for solution of different agricultural tasks have been analyzed.
Tractors and Agricultural Machinery. 2014;81(5):13-17
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Mechanical seeder for encapsulated seeds
摘要
Design of the seed distributor of a seeder for encapsulated seeds is described. Parameters of special parts are substantiated graphically.
Tractors and Agricultural Machinery. 2014;81(5):18-19
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Device for moisture removal from manure mass
摘要
Design and operating principle of device for moisture removal from manure mass are considered. Basic parts, modifications and fragments of the device are defined.
Tractors and Agricultural Machinery. 2014;81(5):19-21
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Analytic assessment of tractive and coupling properties of tractors with 4К4 axle configuration taking into account the kinematic imbalance of driving axles’ movers
摘要
The mathematical model for assessment of tractive and coupling properties of four-wheel drive wheeled tractors, taking into account kinematic imbalance of driving axles’ movers, is considered.
Tractors and Agricultural Machinery. 2014;81(5):21-23
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Substantiation of design and technological parameters of vibratory roller
摘要
The new design of soil tillage roller is proposed, it prevents non-uniform soil compaction. Optimal parameters of roller are obtained.
Tractors and Agricultural Machinery. 2014;81(5):24-25
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Operation analysis of soil spiker needles during their rolling on soil
摘要
Soil needling by soil spiker has been analyzed. Forces acting on needles while rolling on soil, as well needles moving features are considered. The dependence for determination of moving force of a soil spiker is obtained.
Tractors and Agricultural Machinery. 2014;81(5):25-29
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Theoretical investigation of design parameters for disc coverer of seed onion sowing unit
摘要
Interaction between soil and disc coverer with soil deflectors are investigated. Disc coverer design parameters are substantiated. Optimal surface shape of soil deflector and the dependence determining curvature radius of its surface are revealed.
Tractors and Agricultural Machinery. 2014;81(5):29-31
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Increasing the performance of two-aspiration pneumatic system of a multipurpose air-and-screen grain cleaner
摘要
Results of the experimental investigations substantiating withdrawal of bottom grain layer from the end of sorting sieves without conveying to channel of post-sieve aspiration in grain cleaning mode for market objectives, are given.
Tractors and Agricultural Machinery. 2014;81(5):32-34
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Influence of inclination angle of riffles on threshing mechanism power consumption
摘要
The dependence of power consumption during separation grain from ear on inclination angle of riffles of working parts threshing mechanism in case of sign-variable load of connections, is obtained.
Tractors and Agricultural Machinery. 2014;81(5):34-36
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Improvement of suspension system of mobile power units
摘要
Original designs of pneumatic-tyre movers and vehicle suspension are proposed. Their use will permit to increase reliability, operation durability, ride comfort, and cross-country capability of machine and tractor unit; to improve operator work conditions; to decrease vertical vibration and dynamic loads on supporting surface as well as soil compaction.
Tractors and Agricultural Machinery. 2014;81(5):37-39
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Features of reversal seed drying in a tower dryer
摘要
Time of one-side seeds blowing and admissible temperature of drying agent are calculated. The method of the reverse drying in the modified tower dryer is tested practically.
Tractors and Agricultural Machinery. 2014;81(5):40-41
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Efficiency improvement and functional properties extension of repair-recovery composition
摘要
The new technology solution and lubricant composition ensuring improvement of recovery effect of product components is proposed. Simultaneously they increase antiwear properties and purity degree of operating lubricant.
Tractors and Agricultural Machinery. 2014;81(5):42-45
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Experimental investigation of diagnostic system for the Д-245-35 motor-and-tractor engine turbocharging
摘要
Issues of diagnostic of some breakdowns in the turbocharging system of motor-and-tractor engine Д-245-35 are considered. Regularities of charging pressure and exhaust gases pressure in case of different breakdowns are revealed.
Tractors and Agricultural Machinery. 2014;81(5):45-47
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Implementation of economic and mathematical model for the North Kazakhstan tractor fleet substantiation
摘要
Calculation results of technical-and-economic indexes during implementation of economics and mathematical model using cumulative costs criterion for substantiation of North Kazakhstan tractor fleet are presented.
Tractors and Agricultural Machinery. 2014;81(5):47-49
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AgroFarm - 2014
摘要
Functioning of AgroFarm - 2014, international exhibition for animal husbandry and breeding, oriented to extension of mutually beneficial cooperation between domestic and foreign enterprises is described.
Tractors and Agricultural Machinery. 2014;81(5):50-52
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AGRORUS - regions
摘要
3-5 апреля 2014 г. в "Ленэкспо" состоялся II Всероссийский съезд сельских кооперативов и Всероссийская агропромышленная выставка "АГРОРУСЬ - регионы". Участники обсудили вопросы развития всех видов кооперации на селе и разработали новую схему продвижения внутреннего продовольственного рынка в стране.
Tractors and Agricultural Machinery. 2014;81(5):52
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