Open AccessAnalysis of the Striker Stroke Impact on the Hydropneumatic Impact Devices Energy Performance
Author(s) -
Н. С. Галдин,
I. A. Semenova,
V. N. Galdin
Publication year - 2019
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1260/11/112010
Subject(s) - accumulator (cryptography) , stroke (engine) , impact energy , energy (signal processing) , excavator , environmental science , automotive engineering , engineering , computer science , mechanical engineering , structural engineering , mathematics , statistics , algorithm
The study results of the hydropneumatic impact devices striker movement impact on the energy performance during the operating stroke are presented. The energy parameters of the hydropneumatic impact units include power and single impact energy. The mathematical model of the hydropneumatic impact unit operating process is briefly described. The idle stroke, deceleration, operating stroke of the hydropneumatic impact unit striker are characterized. The software for conducting the hydropneumatic impact unit study is developed. The impact devices energy performance depends on the striker velocity at the time of impact, as well as on the striker mass and stroke. Gas pressure in the pneumatic accumulator also influences the energy performance. The striker velocity and single impact energy graphic dependences on the striker stroke and mass, gas pressure in the pneumatic accumulator are represented. The analysis of the obtained dependences is provided. The velocity at the time of the hydropneumatic impact device tool impact on the ground can vary in a wide range from 4.5 to 8 m/s at the stroke of the striker from 50 to 100 mm. It makes possible to use a hydropneumatic impact device as various replacing equipment of road building machines such as excavators.