scholarly journals Energy saving solutions for a hydraulic excavator

2017 ◽  
Vol 126 ◽  
pp. 1099-1106 ◽  
Author(s):  
Andrea Bedotti ◽  
Federico Campanini ◽  
Mirko Pastori ◽  
Luca Riccò ◽  
Paolo Casoli
Keyword(s):  
Energy Saving ◽  
Hydraulic Excavator

Energy Saving Technology on Hydraulic Excavator

2009 ◽  
Vol 112 (1083) ◽  
pp. 133-136 ◽  
Author(s):  
Etsujiro IMANISHI ◽  
Yoichiro YAMAZAKI
Keyword(s):  
Energy Saving ◽  
Hydraulic Excavator ◽  
Energy Saving Technology

Study on Energy Saving of Hybrid Hydraulic Excavator

2013 ◽  
Vol 312 ◽  
pp. 158-162
Author(s):  
Wen Hai Wu ◽  
Jian Ke ◽  
Huan Long Liu ◽  
Yu Lan Yang ◽  
Hui Zheng
Keyword(s):  
Energy Consumption ◽  
Energy Saving ◽  
Control Function ◽  
High Energy ◽  
Energy Utilization ◽  
Hydraulic Excavator ◽  
Theoretical Simulation ◽  
Traditional System ◽  
Traditional Structure ◽  
High Energy Consumption

For the high energy consumption and poor emission of a medium-sized hydraulic excavator, energy consumption point is analyzed combined with the advantages of the electric hybrid system. The energy recovery schematic of the system is designed. Mathematical models of the slewing system are established and theoretical simulation is conducted, and it is compared with the traditional structure. The velocity, displacement, and energy consumption curves of the two systems are concluded under the same conditions. The comparison shows that: energy saving of the electric hybrid slewing system is 37.27% compared with the traditional system. And the electric hybrid slewing system has the characteristics of the better control function and the higher energy utilization.

scholarly journals A Novel Energy Recovery System for Parallel Hybrid Hydraulic Excavator

2014 ◽  
Vol 2014 ◽  
pp. 1-14 ◽  
Author(s):  
Wei Li ◽  
Baoyu Cao ◽  
Zhencai Zhu ◽  
Guoan Chen
Keyword(s):  
Mathematical Models ◽  
Energy Saving ◽  
Energy Recovery ◽  
Simulation Models ◽  
Hydraulic Excavator ◽  
Recovery Efficiency ◽  
Hydraulic Motor ◽  
Energy Recovery System ◽  
Recovery System ◽  
Main Components

Hydraulic excavator energy saving is important to relieve source shortage and protect environment. This paper mainly discusses the energy saving for the hybrid hydraulic excavator. By analyzing the excess energy of three hydraulic cylinders in the conventional hydraulic excavator, a new boom potential energy recovery system is proposed. The mathematical models of the main components including boom cylinder, hydraulic motor, and hydraulic accumulator are built. The natural frequency of the proposed energy recovery system is calculated based on the mathematical models. Meanwhile, the simulation models of the proposed system and a conventional energy recovery system are built by AMESim software. The results show that the proposed system is more effective than the conventional energy saving system. At last, the main components of the proposed energy recovery system including accumulator and hydraulic motor are analyzed for improving the energy recovery efficiency. The measures to improve the energy recovery efficiency of the proposed system are presented.

scholarly journals ENERGY SAVING SYSTEM FOR HYDRAULIC EXCAVATOR

2005 ◽  
Vol 2005 (6) ◽  
pp. 646-651 ◽  
Author(s):  
Hironao YAMADA ◽  
Shuji SHIOZAKI ◽  
Hiroshi MATSUYAMA ◽  
Takayoshi MUTO
Keyword(s):  
Energy Saving ◽  
Hydraulic Excavator

Application of Energy-Saving Principle of Mechanical Design in Hydraulic Excavator

2014 ◽  
Vol 635-637 ◽  
pp. 266-269
Author(s):  
Wei Bo Zhang
Keyword(s):  
Energy Saving ◽  
Mechanical Design ◽  
Fuel Tank ◽  
Hydraulic Excavator ◽  
Working Process ◽  
Balance System ◽  
Hydraulic Hybrid ◽  
Fixed Weight ◽  
Overall Stability ◽  
Heating Up

In the working process of the traditional hydraulic excavator, the potential energy could not be properly applied in the course of boom-down, whereas the boom requires additional kinetic energy to rise, resulting in a waste of energy, heating up the system, reducing the service life of the machine. As a solution to this problem, the paper proposes the balance hydraulic excavator, adhering to the energy-saving principle of mechanical design, on the basis of which, turning the traditional hydraulic excavator’s fixed weight into a sliding weight and fuel tank, meanwhile, connecting the sliding weight fuel tank with the boom fuel tank, which constitutes the machinery - hydraulic hybrid balance system to the effect of saving the system energy, improving the overall stability and reliability.

Application of Hydraulic Transformer on Energy Saving for Boom System of Hybrid Hydraulic Excavator

2017 ◽  
Vol 868 ◽  
pp. 118-123 ◽  
Author(s):  
Ying Xiao Yu ◽  
Kyoung Kwan Ahn
Keyword(s):  
Potential Energy ◽  
Energy Saving ◽  
High Efficiency ◽  
Hydraulic Excavator ◽  
Effective Solution ◽  
Construction Machinery ◽  
Hydraulic Transformer ◽  
Simulation Results ◽  
Hybrid Excavator ◽  
Save Energy

Facing the energy crisis and environmental problems, saving energy of construction machinery, especially in the hydraulic excavator is very important. Regeneration of the potential energy is an effective solution to save energy. However, the conventional hybrid excavator can’t regenerate the potential energy. This paper proposes a new structure of boom system of hydraulic excavator as well as a control strategy. The focus of the paper is using hydraulic transformer to regenerate energy and reusing the regenerated energy. The simulation is carried out by the AMESim software. From the simulation results, this new system has a high efficiency for energy saving.

Research on Hybrid Hydraulic Excavator Test Bench

2011 ◽  
Vol 121-126 ◽  
pp. 3456-3460
Author(s):  
Ding Xuan Zhao ◽  
Miao Xu ◽  
Peng Liu ◽  
Chun Bo Xu ◽  
Ming Zhi Lin ◽  
...  
Keyword(s):  
Energy Saving ◽  
Performance Test ◽  
Test Bench ◽  
Modular Design ◽  
Design Method ◽  
Hydraulic Excavator ◽  
Construction Machinery ◽  
Domestic Technology ◽  
Hybrid Excavator ◽  
Set Up

Hydraulic excavator energy saving is one of the dominating problem that trouble construction machinery industry. Hybrid technology brings forward a new solution for this puzzle. In the research of hybrid hydraulic excavator, we set up a parallel hybrid excavator test bench based on modular-design method, this fills a domestic technology gap. Power-train performance test is undertaken on this bench and the power assist control strategy is proved to be significant energy saving.

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