04. Ionov P.A., Senin P.V., Pyanzov S.V., et al. Developing a Stand for Evaluating Technical Condition of Volumetric Hydraulic Drives with a Hydraulic Loading Device

UDK 629.083:62-82

DOI: 10.15507/2658-4123.029.201904.529-545

Developing a Stand for Evaluating Technical Condition of Volumetric Hydraulic Drives with a Hydraulic Loading Device

Pavel A. Ionov
Professor of Technical Service Machines Chair, Institute of Mechanics and Power Engineering, National Research Mordovia State University (68 Bolshevistskaya St., Saransk 430005, Russia), Ph.D. (Engineering), ResearcherID: S-7146-2018, ORCID: https://orcid.org/0000-0001-9794-0071, This email address is being protected from spambots. You need JavaScript enabled to view it.

Petr V. Senin
Head of Technical Service Machines Chair, Institute of Mechanics and Power Engineering, National Research Mordovia State University (68 Bolshevistskaya St., Saransk 430005, Russia), D.Sc. (Engineering), Professor, ResearcherID: H-1219-2016, ORCID: https://orcid.org/0000-0003-3400-7780, This email address is being protected from spambots. You need JavaScript enabled to view it.

Sergey V. Pyanzov
Postgraduate Student of Technical Service Machines Chair, Institute of Mechanics and Power Engineering, National Research Mordovia State University (68 Bolshevistskaya St., Saransk 430005, Russia), ResearcherID: B-1548-2019, ORCID: https://orcid.org/0000-0002-5845-1635, This email address is being protected from spambots. You need JavaScript enabled to view it.

Aleksey V. Stolyarov
Associate Professor of Technical Service Machines Chair, Institute of Mechanics and Power Engineering, National Research Mordovia State University (68 Bolshevistskaya St., Saransk 430005, Russia), Ph.D. (Engineering), ResearcherID: G-8460-2016, ORCID: https://orcid.org/0000-0001-5898-0150, This email address is being protected from spambots. You need JavaScript enabled to view it.

Alexander M. Zemskov
Senior Lecturer of Technical Service Machines Chair, Institute of Mechanics and Power Engineering, National Research Mordovia State University (68 Bolshevistskaya St., Saransk 430005, Russia), Ph.D. (Engineering), ResearcherID: S-7748-2018, ORCID: https://orcid.org/0000-0002-1489-6077, This email address is being protected from spambots. You need JavaScript enabled to view it.

Introduction. The article deals with the development of a device for evaluating technical condition on of volumetric hydraulic drives made in Russia and abroad at repair and service centres.
Materials and Methods. The study uses the statements of theoretical mechanics and hydrodynamics, the basic principles of mechanisms and machines production. For technical condition evaluating of volumetric hydraulic drives, the method of hydraulic loading of hydraulic motor was applied. Reliability of results was confirmed during experimental settings of the hydraulic loading device stand.
Results. A stand design with the hydraulic loading device was developed and put into practice for new technical condition evaluating of volumetric hydraulic drives, made in Russia and abroad, at repair and service centres. A property of the stand is the use of the hydraulic loading method when the torque (braking) moment on the shaft of the tested hydraulic rotor is created using a hydraulic machine. The stand consists of data processing and measurement units. The data processing unit is based on a multifunctional data acquisition board connected with a personal computer. The structure of the data measurement unit includes a frequency converter connected to an electric motor, a drive shaft for connecting the shaft of the tested hydraulic pump; hydraulic system having a hydraulic tank; suction, control, drain, and discharge lines and reversible flow chokes installed in discharge lines and connected with the hydraulic pump and hydraulic rotor; loading device with the reversible hydraulic pump, drive shaft joined with the shaft of the tested hydraulic motor. Additionally, reversible throttle flow meters are connected via special ports and electric lines to the data acquisition board. The developed stand allows evaluating the technical condition of most widespread models of volumetric hydraulic drives used in modern agricultural and road construction equipment. The stand is characterized by good energy efficiency, simplicity of design, low costs, good technical characteristics that make it competitive.
Discussion and Conclusion. The new stand design with the hydraulic loading device allows implementating of the dynamic testing methodology and guarantees high accuracy of evaluating the technical condition of the most widespread Russian and foreign volumetric hydraulic drives at repair and service centres. Further improvement of the evaluating the technical condition of volumetric hydraulic drives is related to the development of specialized software for processing and analysing test results in real-time.

Keywords: stand, hydraulic loading device, dynamic test, volumetric hydraulic drive, technical condition, efficiency, torque, repair centre, service centre

Funding: The publication was prepared with the financial support of the Ministry of Education of Russia, State Assignment: Competency Development, Project No. 11.3416.2017/4.6: Development of Technologies and Means of Enhancing Durability of Parts, Components, Assemblies of Machinery and Equipment by Creating Nanostructured Coatings by Concentrated Energy Sources.

For citation: Ionov P.A., Senin P.V., Pyanzov S.V., et al. Developing a Stand for Evaluating Technical Condition of Volumetric Hydraulic Drives with a Hydraulic Loading Device. Inzhenernyye tekhnologii i sistemy = Engineering Technologies and Systems. 2019; 29(4):529-545. DOI: https://doi.org/10.15507/2658-4123.029.201904.529-545

Contribution of the authors: P. A. Ionov – development of the method of hydraulic loading and basic scheme of the stand; P. V. Senin – scientific guidance, analysis and improvement of the text; S. V. Pyanzov – drafting the text with further revision, analysis of literary data, development of the hydraulic loading method; A. V. Stolyarov – preparation and analysis of literary data, revision of the text; A. M. Zemskov – development of the structural and functional scheme of the stand, word processing and editing the text.

All authors have read and approved the final manuscript.

Received 28.09.2019; revised 07.10.2019; published online 31.12.2019

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