卷 77, 编号 1 (2010)
- 年: 2010
- 文章: 25
- URL: https://medbiosci.ru/0321-4443/issue/view/3777
Articles
Technical revolution in control and automation of tractors and mobile machines (state and perspectives)
摘要
Last years a microprocessor technical revolution in automatics and control of mobile machines has occurred. Their elements have changed dramatically and their possibilities have essentially, cardinally extended. In the paper the condition of serious backwardness in this area of technics from a technological level of the advanced countries is ascertained, opportunities and prospects of development of automatics and controls in our country in new conditions are estimated. Personnel opportunities of development are estimated sceptically.
Traktory i sel hozmashiny. 2010;77(1):3-5
3-5
2009 tractors market: analysis of use of different type transmissions on agricultural tractors
摘要
Results of the analysis of application of different types transmissions on agricultural tractors of various power categories presented in the German market in 2009 are given. Comparison with the similar analysis on the tractors presented in the same market in 2007 and 2008 is given. The appreciable increase in application in 2009 in comparison with 2008 year of stepless transmissions on traktors in power ranges from 150 to 260 and from 260 to 400 h.p. is observed.
Traktory i sel hozmashiny. 2010;77(1):6-8
6-8
OAO Bobruyskagromash - the laureate of competition-2009
Traktory i sel hozmashiny. 2010;77(1):45-
45-
Effect of physical-and-chemical indices of biodiesel fuel on the parameters of diesel and its ecological-and-operating characteristics
摘要
Проанализировано влияние некоторых физико-химических показателей биодизельного топлива, определяемых стандартом EN 14214:2003, на параметры дизеля и его эколого-эксплуатационные характеристики. Описаны возможные неисправности топливной аппаратуры дизеля и его систем при работе на биодизельном топливе.
Traktory i sel hozmashiny. 2010;77(1):8-10
8-10
Decreasing nitrogen contents in exhaust gases of diesel with turbo-supercharging by the use of natural gas
摘要
Probes of tractor diesel engine Д-245.12С (4ЧН 11/12,5) were carried out in the Vjatsky state agricultural academy for improvement of ecological indexes by natural gas application. On the basis of the made laboratory-bench probes of working process of a tractor turbocharged diesel 4ЧН 11/12,5 at operation on a natural gas the possibility of improvement of ecological indexes of a diesel engine by natural gas application, in particular by drops of nitrogen oxide in exhausted gases, saving of solar oil, heightening of effective indexes is determined.
Traktory i sel hozmashiny. 2010;77(1):11-13
11-13
An attachment for installation of slot sprayers
摘要
Проанализированы различные типы распылителей пестицидов. Приведена конструкция приспособления для установки осей щелевых распылителей на заданный угол относительно штанги опрыскивателя.
Traktory i sel hozmashiny. 2010;77(1):13-14
13-14
Modernization of soil separation systems for vegetable harvesting machines
摘要
Проанализированы основные направления разработки комплекса машин для уборки овощей. Предложены модернизированные конструкции, позволяющие снизить трудоемкость уборочных работ, потери и повреждения плодов и повысить производительность труда.
Traktory i sel hozmashiny. 2010;77(1):15-18
15-18
New mechanization means for berries harvesting and maintenance of plantations
摘要
Replaceable-modular combine КСМ-5 for the mechanized berries gathering and currant plantations care is described. Its engineering-and-economical performance is given.
Traktory i sel hozmashiny. 2010;77(1):18-21
18-21
Modernized crusher for fodder grain
摘要
In agricultural industry the hammer grinders are the main devices for grinding grains. The lock of sifts in the operational area of the grainder prevent the removal of the ready product is the main drawback of these grainders. It can lead intensive formation of dust, wear of sift and hammer and over usage of electricity. More raised construction of the grinder allows to overcome all the drawbacks. The separator allows to define the main parameters of cylinder part of separating sift.
Traktory i sel hozmashiny. 2010;77(1):21-23
21-23
A sledge trailer
摘要
Предложена конструкция самосвальных тракторных саней, оборудованных упругим прицепным устройством и тормозным механизмом.
Traktory i sel hozmashiny. 2010;77(1):23-24
23-24
Pneumatic separator for fodder grain
摘要
A pneumatic separator, which allows to clear grain from fine (sand etc.) and coarse (shingle, slag etc.) mineral and metallomagnetic impurities is presented. The constructional and technological circuit and general view of separator are drawn. The results of multiple-factor experiments on optimization of pneumatic separator parameters are submitted.
Traktory i sel hozmashiny. 2010;77(1):25-26
25-26
A procedure of power losses calculation of caterpillar tractor skid by kinematical inconsistency and asymmetric loading between propellers
摘要
The method of calculating of losses from slipping of caterpillar tractor, which takes into account asymmetric laden of caterpillar propulsors and its kinematic misfit, and method of successive approximations, improved by authors and used in developed method, is suggested.
Traktory i sel hozmashiny. 2010;77(1):27-30
27-30
Spectral characteristics of dynamic model of curvilinear movement of tractor train
摘要
Dynamic behavior of the mathematical models received on the basis of mathematical methods of identification according to natural experiment on curvilinear movement of a tractor train on turn is considered. Spectral characteristics are submitted as periodogramms, spectrums of state variables, peak and phase frequency characteristics.
Traktory i sel hozmashiny. 2010;77(1):30-32
30-32
Separation of slice from soil massif by the action of share edge
摘要
Рассмотрен процесс отделения пласта от массива почвы при вспашке и действующие при этом на почву силы. Дана оценка затрат энергии, аналитическим путем определена средняя удельная нагрузка на лезвие лемеха.
Traktory i sel hozmashiny. 2010;77(1):32-35
32-35
Functional schema of grain combine thresher
摘要
A scientific research was realized. Connection and dependence were determined between elements of threshing machine for combine harvester system. It enabled to elaborate functional scheme of threshing machine. Using of this scheme let to elaborate the plan of multiple-factor investigations of threshing machine by mathematical modelling of it.
Traktory i sel hozmashiny. 2010;77(1):35-39
35-39
An analysis of conditions of turning flax stalks by work of pick-up-reverser
摘要
Приведены результаты исследований поворота стеблей льна в подборщике-оборачивателе. Получены аналитические выражения, позволяющие оценить условия поворота стеблей и мощность подборщика-оборачивателя, необходимую для работы на редком и густом льне.
Traktory i sel hozmashiny. 2010;77(1):39-41
39-41
Kinematical indices of separating elevator with combined bars
摘要
The results of research of modernized separating conveyor that exert intensive influence on tuber's layer are shown.
Traktory i sel hozmashiny. 2010;77(1):41-43
41-43
Use of cyclone in the air channel of C-10 and C-20 grain dryers
摘要
The technological process of grain drying is described. The basic sizes of a cyclone towards their reduction are specified. The research of a cyclone let to determine the loss of pressure in it at its installation in an air path of grain dryers. The method of research and the aerodynamic characteristic of the fan TS-14-46-8 and the cyclone are given.
Traktory i sel hozmashiny. 2010;77(1):43-45
43-45
Changing form of piston rings in response to engine temperature
摘要
Представлен метод расчета формы поршневых колец в свободном состоянии от воздействия температуры, возникающей при работе двигателя, основанный на решении теоремы Мора.
Traktory i sel hozmashiny. 2010;77(1):46-48
46-48
Reliability level of transmission of the class 3 caterpillar tractor
摘要
Пронализированы причины отказов трансмиссии гусеничного трактора ДТ-175С. Под наблюдение было взято 20 тракторов. Установлены основные причины отказов - трение, вибрации и их комплексное воздействие. Разработаны рекомендации по повышению уровня надежности исследуемого трактора.
Traktory i sel hozmashiny. 2010;77(1):48-50
48-50
Designing reliability of cylindrical springs by complicated loading
摘要
In this work compression springs with torsion are examined. In calculations relations between kinematic and static characteristics, according to the Kirchhoff and Clebsch theory, are used. Calculation of variable section springs on carrying capacity or reliability loss with critical values of torque and axial force determination is brought.
Traktory i sel hozmashiny. 2010;77(1):50-52
50-52
Increasing resource of plunger and barrel assembly
摘要
Предложена запатентованная конструкция плунжерной пары, в которой путем незначительных изменений усовершенствован процесс наполнения надплунжерного пространства топливом. Описаны ее устройство и принцип работы.
Traktory i sel hozmashiny. 2010;77(1):52-53
52-53
Information technologies in technical exploitation of mobile energetic means
摘要
Mobile energetic means (MEM) and methodology of its diagnosing are presented from the point of view of achievements in sphere of information technologies. The expediency of application of essentially new monitoring system behind technical conditions of MEM is caused by necessity for efficiency of data acquisition about its current condition with the purpose to warn malfunction on the first stage of formation. The program architecture of treatment of data system's and one of possible version of its testing is considered.
Traktory i sel hozmashiny. 2010;77(1):53-55
53-55
80th anniversary of V.I. Osobov
Traktory i sel hozmashiny. 2010;77(1):55-
55-
80th anniversary of V.P. Grebnev
Traktory i sel hozmashiny. 2010;77(1):56-
56-