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Comparing automotive and tractor agricultuar transport system with swap bodies in agriculture business
HRACH, Milan
This thesis deals with the collation of the automotive and wheel tractor transport system with interchangeable superstructures and their use in the business of primary agricultural production in terms of technical parameters, analysis of the use of individual bodies, analysis of investment and operating costs and by comparing the two systems on the basis of the identified parameters. Comparasion was the truck Tatra Phoenix 158 with the superstructures for the transport of powdery and bulky materials, spreaders, manure spreaders and superstructure designed for the transport of heavy materials with tractors transport system John Deere 8320 and tandem semi-trailer Fliegl with manure and conveyor superstructure ASW 268 in the Agricultural cooperative Cizova. In the performance collation of both systems when transporting silage and achieve the highest mass performance at the tractors transport system and it 14,39 t.h-1 which is aganist automotive system less about 5.94 t.h-1. On the other hand fuel consumption to distance traveled, weight and the cycle was recorded the lowest consumption of the lorry Tatra. The economic collation showed that the truck Tatra Phoenix 158 has a lower cost on the distance travelled, the transported amount of cargo and per tonne-kilometre compared to tractors transport system. The cost of the distance travelled makes 90,24 CZK.km-1 which is beside tractor system lower of 100 CZK.km-1. The value of the cost of the transported amount of cargo by lorry moves on 92,10 CZK.t-1 but tractor system has this value lower of 24.83 CZK.t-1.The lowest difference between the costs experienced in the evaluation of the cost per tonne-kilometre where the truck Tatra reached the cost of 9.42 CZK.tkm1 which is compared with tractors transport system, the lower of 3.28 CZK.tkm-1.
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Score of combine harvester with a different threshing device at harvest of cereals and oilseed rape in the business of agricultural production
HRACH, Milan
The purpose of this work was to compare aktivity and grade work combine harvester with different threshing system at harvesting a grain and oilseed rape in the business of agricultural production. Work was focuse on the size harvesting losses, grade grind and spreading crop residues, influence on the moisture of harvested crops on the size losses grade grind and spreading crop residues, throughput combine harvester, analysis of performance and consumption fuel. Work is complete about principal parametr agricultural operations, principal parametr owner machines and simply analysis of operating and investment costs. Although combine harvester didn't work at same land, measurement was done in the most consistent as possible in harvested condition regarding the weather, terrain, etc. From results are clearly that almost all the results achieved best results with a conventional combine harvester threshing mechanism Claas Lexion 580. Exception was only throughput at harvest of winter oilseed rape, which had machine John Deere S 690 with axial threshing of 1.23 kg ha-1 higher than Claas Lexion 580. Consumption fuel was lower at harvest of winter wheat with procrastination straw on the line by machine Claas Lwxion 670 with value 11,0 l.ha-1. . When shredding straw was reached average values for all combine. The worst grind and spread straw demonstrated combine harvester John Deere S 690 where avoid spreading crop residues over the entire stroke. All machines accomplish agro-technical requirements for the combine in terms of losses off 1,5 % in direct harvest, performance, throughput, quality scatter chop, shred the quality of crop residues and working speed. Results this work convince me to recommend harvester Claas Lexoon 580 especially for large agricultural business and for service businesses with minimum efficiency 1 340 ha.rok-1 . For smaller business or business with higer structure of livestock production I would have chosed thresher with straw walker technology separation device and to Claas Lexion 670. Combine harvester John Deere S 690 U would advised more for service businesses and large business engaged in growing corn for grain with minimum area coverage. For both machines I would choose the cutter adapter on the frame 9 meters.
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