Results 11 to 20 of about 465,669 (314)
Work, 2022 BACKGROUND: Manual operations of the hydraulic jack device can become ergonomic stressors for the musculoskeletal system because of the required operational forces, muscle activities, or working postures.
Atsushi Sugama +6 more
semanticscholar +1 more source
International Journal of Fluid Power, 2022 In order to improve the fault diagnosis effectiveness of hydraulic system in erecting devices, the fuzzy neural neural network is applied to carry out fault diagnosis of hydraulic system. Firstly, the main faults of hydraulic system of erecting mechanism
Yangbin Zheng, Xiao Xue, Jisong Zhang
semanticscholar +1 more source
Electro-Hydraulic Drive of the Variable Ratio Lifting Device under Active Load
Strojniški vestnik – Journal of Mechanical Engineering, 2021 Hydraulic systems fed by fixed displacement pumps driven by frequency-controlled electric motors can replace conventional throttling systems due to their ability to control the speed of hydraulic cylinders regardless of the value and direction of the ...
A. Kosucki +3 more
semanticscholar +1 more source
Utilization of the tractor hydraulic device to operate reciprocating mowers [PDF]
Journal of Soil Sciences and Agricultural Engineering, 2019 Due to the ease and excellence of the hydraulic transmission, this research is concerned to transmit power from tractor to a reciprocating mower using a hydraulic cycle. The theoretical consideration and the previous results from different studies were used to determine a suitable of a hydraulic motor, which give a sufficient torque needed to cutting ...
O. Fouda, M. Awad, Y. Yusuf
openaire +1 more source
Journal of Physics: Conference Series, 2021 The paper presents a new universal programmable portable measuring device (PMD) intended for the diagnostic and monitoring of hydraulic and pneumatic equipment.
R. Dindorf, P. Woś
semanticscholar +1 more source
IOP Conference Series: Earth and Environmental Science, 2021 Abstract The authors discuss the simulation model of a sliding valve distributor enabling adjustment of capabilities of hydraulic percussion devices. The paper presents the theoretical oscillograms of the valve characteristics and the plots of change in the valve mode versus the valve parameters.
LV Gorodilov, AI Pershin
openaire +1 more source
Tribology in Industry, 2022 Turbocharging is a promising solution for increasing the specific power of motor-and-tractor equipment, which allows increasing power up to 50%. At the same time, a significant growth of speed, load, and temperature modes leads to a significant increase ...
Alexander V. Gritsenko +2 more
doaj +1 more source
Automated stand for the study of injectors made of polymer materials for hydraulic weed destruction [PDF]
E3S Web of Conferences, 2020 The work describes a new technological process for weed destruction and tillage in the near-stem zones of fruit trees and covers the prospects for studying the hydraulic method of weed destruction.
Khort Dmitriy +3 more
doaj +1 more source
Design of a laboratory hydraulic device for testing of hydraulic pumps
Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2013 The present contribution deals with solves problem of research of testing device to monitor of hydrostatic pumps durability about dynamic loading under laboratory conditions.
Pavel Máchal +6 more
doaj +1 more source
Evaluating the relationship of parameters hydraulic impact device and its drive [PDF]
Научно-технический вестник Брянского государственного университета, 2020 The article deals with some questions about the influence of drive parameters on the characteristics of hydraulic shock devices, noted during the analysis of the results of mathematical modeling. Using mathematical modeling, numerical experiments were
Volkov N.N. +4 more
doaj +1 more source