Results 31 to 40 of about 1,583,809 (354)

Research on high-pressure hose with repairing fitting and influence on energy parameter of the hydraulic drive

open access: yesEksploatacja i Niezawodnosc - Maintenance and Reliability, 2021
Reliability and maintenance analysis of transport machines hydraulic drives, basically focused to power units: pumps, cylinders etc., without taking in to account junction elements.
M. Karpenko   +2 more
semanticscholar   +1 more source

Adaptive hydraulic drive with delivery tool-feed control of production machine

open access: yesAdvanced Engineering Research, 2017
Introduction. The development of the adaptive hydraulic drive with the volumetric tool-feeding speed control of the production machines using the example of the portable URB-2.5 drilling unit is considered.
Valentin S. Sidorenko   +3 more
doaj   +1 more source

Stabilization device for hydraulic drive of an electric generator on a vehicle [PDF]

open access: yesMATEC Web of Conferences, 2019
The paper considers the design of a hydraulic drive of an additional electric generator installed on a car, which should provide stable electrical power to consumers with standard parameters (voltage 220 (380) V, frequency 50 Hz). To solve this problem a
Lepeshkin Alexander   +2 more
doaj   +1 more source

Determination of Nominal Dimensions and Permissible Variations in Dimensions of Critical Parts of Foreign Machinery Units

open access: yesИнженерные технологии и системы, 2022
Introduction. Developing and adapting domestic technologies aimed at the maintenance and repair of foreign equipment is impossible without design documentation.
Pavel A. Ionov   +4 more
doaj   +1 more source

Improving the efficiency of manipulator-type machines with an improved hydraulic drive

open access: yesIOP Conference Series: Earth and Environment, 2021
The article considers the possibility of increasing the efficiency of manipulator-type machines when harvesting wood by increasing the productivity, energy efficiency and reliability of the hydraulic equipment used.
I. Chetverikova, P. Popikov, S. Glushkov
semanticscholar   +1 more source

Energy and Operation Characteristics of Electric Excavator With Innovative Hydraulic-Electric Dual Power Drive Boom System

open access: yesIEEE Access, 2023
In the existing electric excavators, the energy efficiency of the hydraulic system is less than 30% due to a large amount of throttling loss and waste of potential energy.
Yunxiao Hao   +5 more
semanticscholar   +1 more source

Dynamic Prediction of Performance Degradation Characteristics of Direct-Drive Electro-Hydraulic Servo Valves

open access: yesApplied Sciences, 2023
Direct-drive electro-hydraulic servo valves are widely used in the aerospace industry, in the military, and in remote sensing control, but there is little research and discussion on their performance degradation and service life prediction.
Juncheng Mi, G. Huang
semanticscholar   +1 more source

MATHEMATICAL MODELING OF THE HYDRAULIC DRIVE OF THE SECTIONS OF A WIDE-COLLECTING CULTIVATOR WITH SEQUENTIAL ACTIVATION OF HYDRAULIC CYLINDERS

open access: yesENGINEERING, ENERGY, TRANSPORT AIC, 2021
The publication discusses the issues of mathematical modeling of dynamic processes occurring in a complex hydromechanical system of the hydraulic drive of the wide-cut cultivator sections with consistent wear of the hydraulic cylinders.
S. Shargorodskiy   +2 more
semanticscholar   +1 more source

Evaluating the relationship of parameters hydraulic impact device and its drive [PDF]

open access: yesНаучно-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

Mathematical modelling of the hydromechanical drive of the test bench for plunger hydraulic cylinders with energy recovery

open access: yesE3S Web of Conferences, 2023
Reliability is a significant parameter of machines, mechanisms, drives, technological equipment and its component parts, including hydraulic motors. Reliability is checked and confirmed by carrying out resource tests, the results of which reveal the ...
A. Rybak   +7 more
semanticscholar   +1 more source

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