卷 80, 编号 6 (2013)
- 年: 2013
- ##issue.datePublished##: 15.06.2013
- 文章: 22
- URL: https://journals.eco-vector.com/0321-4443/issue/view/3637
Articles
Analysis of agricultural tractors fleet structure in the Northern Kazakhstan
摘要
Analysis of crops cultivation tractors fleet structure in the Northern Kazakhstan is presented.
Tractors and Agricultural Machinery. 2013;80(6):3-4
3-4
Heating as a way to increase the efficiency of rape oil using as fuel
摘要
Constraints and consequences of using rape oil as a fuel for internal-combustion engines are briefly elucidated, as well as overcoming measures and temperature effect on viscosity and surface tension. Construction and operation of the heating device are described.
Tractors and Agricultural Machinery. 2013;80(6):5-7
5-7
Mobile soil track
摘要
A mobile soil track intended for search tests and laboratory investigations of embedding working organs of planting machines is suggested.
Tractors and Agricultural Machinery. 2013;80(6):7-8
7-8
Device for the extension of calibrating surface of drum potato sorter
摘要
A high-speed rotor and screw device for tuberous roots fractioning is suggested. It differs from the analogs by presence of fixed deflector of tuberous roots inside the drum.
Tractors and Agricultural Machinery. 2013;80(6):9-10
9-10
Mobile aggregate for seed treatment in continuous mode
摘要
A test specimen preparing the working fluid of mobile crop seed treater is substantiated and developed. It ensures the aggregate operation in continuous mode.
Tractors and Agricultural Machinery. 2013;80(6):11-14
11-14
Methods and means for liquid preservatives dosage during forage conservation
摘要
Uniformity of plant raw materials treatment during the forage conservation and mechanisms for liquid preservatives dosage were under study; findings of the investigation are presented.
Tractors and Agricultural Machinery. 2013;80(6):14-16
14-16
New bench for cabbage harvesters testing
摘要
Construction of a new bench for cabbage harvesters investigation in laboratory conditions is described, results of its usage are estimated.
Tractors and Agricultural Machinery. 2013;80(6):17-18
17-18
Improving the dynamic characteristics of tractor-trailer trains moving
摘要
Problems of trailing tractor transport development are considered. Measures ensuring the rise of ride comfort and passability are suggested.
Tractors and Agricultural Machinery. 2013;80(6):18-22
18-22
Trial run of heavy loaded bearing assemblies
摘要
A way of bench trial run of heavy loaded bearing assemblies is proposed. Construction and exploitation technology of the bench allowing to simulate load and speed regimes analogous to actual operating conditions of bearing assemblies inside a machine or a mechanism are given.
Tractors and Agricultural Machinery. 2013;80(6):22-23
22-23
Investigation of dispersed fluid systems during the cavitation treatment of hydrofuels
摘要
Results of investigation of the dispersed fluid systems theory and its practical application during the cavitation treatment of hydrofuels are given. Outcomes of biofuel dispersion estimation have been compared from the classic point of view and from the point of view of the dispersed fluid systems theory exemplified as fitting of water droplets diameters distribution function on sizes of water and fuel emulsion.
Tractors and Agricultural Machinery. 2013;80(6):24-26
24-26
A way of complex variational problems solution by the collocation method
摘要
A way of complex variational problems solution by the collocation method is given for the case when Euler’s equation is reduced to differential equations with boundary conditions. The problem of extremal curves search was solved.
Tractors and Agricultural Machinery. 2013;80(6):27-29
27-29
Forecasting the dynamics of controlled performance characteristics of machine and tractor aggregate
摘要
Results of development of a new trend in operational control methods based on prognostic information about the dynamics of controlled operational parameters of machine and tractor aggregate are presented.
Tractors and Agricultural Machinery. 2013;80(6):29-31
29-31
Optimization of conicity parameters of anti-slipping device holder
摘要
A model of optimization of anti-slipping device holder conicity, based on the criterion of maximal efficiency coefficient of wheeled aggregate chassis is presented. Optimal conicity values for concrete operational conditions of the МТЗ-80 + КПК-2-01 potato harvesting aggregate were obtained.
Tractors and Agricultural Machinery. 2013;80(6):31-33
31-33
Soil compaction by running systems of class 2 tractors
摘要
Procedure and results of field tests of narrow-tires tractors МТЗ-1221 and John Deere 6920 are given. The obtained data on soil density allows to develop recommendations on tractors use in tilled crops cultivation.
Tractors and Agricultural Machinery. 2013;80(6):33
33
Decrease of tractive resistance of combined wide-coverage machines
摘要
A method of tillage effectiveness increase is described. It is based on the use of pendulum oscillator mounted on machine frame and allows to reduce its tractive resistance by 14-23%.
Tractors and Agricultural Machinery. 2013;80(6):34-36
34-36
Influence of harvesting conditions on grain losses after separator
摘要
Mathematical and multivariable graphic models for the index «grain losses after separator» depending on straw rate, crop moisture content and separator characteristics are developed.
Tractors and Agricultural Machinery. 2013;80(6):37-40
37-40
Optimization of parameters of a maize harvester snapping unit
摘要
Effect of kinematic and geometric parameters of a snapping unit equipped with new plates and lags of chains on the quality indices of maize ears detaching have been studied.
Tractors and Agricultural Machinery. 2013;80(6):41-43
41-43
Increasing the wear resistance of aluminium alloy parts with the use of coatings modified with CuO nano-powder
摘要
Coatings formed by microarc oxidation and modified by copper oxide nano-powder, as well as microhardness and thickness of coatings have been investigated. Findings of the investigation and results of comparative wear resistance tests are given.
Tractors and Agricultural Machinery. 2013;80(6):44-46
44-46
Performance estimation of a straw-chopping unit of combine harvester
摘要
Results of experimental researches of straw choppers and spreaders are presented. Tests were carried out with the use of a newly developed sampler.
Tractors and Agricultural Machinery. 2013;80(6):47-49
47-49
Organizational and legal forms of higher schools’ practice and experimental farms and ways of their optimization
摘要
Benefits and disadvantages of organizational and legal forms of higher school’s practice and experimental farms were analyzed. Alternatives of their optimization taking into account special directions of activities are suggested.
Tractors and Agricultural Machinery. 2013;80(6):50-51
50-51
Mathematical model of combine harvesters optimal use during the gathering
摘要
A mathematical model of combine harvesters seasonal use is presented. The model employs the elements of operations research theory.
Tractors and Agricultural Machinery. 2013;80(6):51-53
51-53
Equipment for animal farming presented at the «AgroFarm-2013» exhibition
摘要
Exhibits of the AgroFarm-2013 International Exhibition are analyzed, as well as developments of All-Russian Research Institute of Repair and Maintenance of Machine and Tractor Fleet in the field of safety production control, technical maintenance and equipment repair in animal farming.
Tractors and Agricultural Machinery. 2013;80(6):54-56
54-56
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