Preparation is in progress for the production of power shovels with a bucket capacity of 100 cu m. The annual productivity of a power shovel is 120,000-250,000 cu m per cubic meter of bucket capacity, and the corresponding energy consumption is 0.4-0.8 kilowatt-hour per cu …
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May 01, 2015 · Teeth wear (A–D) and energy consumption per output unit as a function of production – digging of overburden, KWK1500 excavator – R12 E8 bucket. Download : Download full-size image; Fig. 11. Teeth wear (A–C) and energy consumption per output unit as a function of production – digging of overburden, KWK1500 excavator – R12 SKW2 bucket.
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Apr 26, 2016 · Abstract. Single-bucket excavators improvement is closely associated with development and introduction of their workflow automatic control systems and with a robotic excavator creation. Thereat, at synthesis of an excavator control system, the robotics approach is widely developed, according to which, the work equipment is considered as spatial manipulator with hydraulic actu ator.
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Evaluation of Single-bucket Excavators Energy Consumption . By A.P. Komissarov, Y.A. Lagunova and O.A. Lukashuk. Cite . BibTex; Full citation; Abstract. AbstractIt is shown that with the increase in capacity and weight of excavators their specific indices of functioning remain practically at the same level corresponding to the energy
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Dec 04, 2019 · Working performance and energy consumption of the power source under different rotating speeds and different loads are studied. And then, the hydraulic excavator test rig with the proposed system is constructed. Furthermore, the working performance of the excavator with the speed-fixed and speed-variable strategy are studied comparatively.
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Existing approaches to the electric cyclic action bucket excavators' technological operations identification are considered. The authors proposed the term "technological condition" of a single-bucket excavator as a combination of the current technological operation and data on the technical condition of the main components of the excavator.
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Mar 19, 2019 · The dragline excavator is a larger excavator that operates with a different process. The equipment utilizes a hoist rope system that attaches to a bucket via a hoist coupler. The other side of the bucket is affixed to a dragline that runs from the bucket to the cab. The hoist rope raises and lowers the bucket, while the dragline pulls the
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To equalize the energy consumption during the working cycle of single bucket excavators was developed the functional model of a 0.8mc bucket capacity excavator with caterpillar displacement system and with inertial retrieval driving system. The prototype was realized at …
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To equalize the energy consumption during the working cycle of single bucket excavators was developed the functional model of a 0.8mc bucket capacity excavator with caterpillar displacement system and with inertial retrieval driving system. The prototype was realized at …
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In this paper, we propose use of large counter-rotating bucket wheels that would roll on the surface of a small body and collect regolith. Counter rotating bucket wheels would cancel angular momentum generated by a single bucket wheel and hence this excavator can be …
Learn MoreSpecifications for PC35MR-5. 7,495 lbf. The Kprime Tooth System for construction is engineered for high performance, ease of use and extended periods between tooth changes in construction applications. Access and manage all your machine telematics data, parts manuals, service manuals, software and parts ordering information from a single source
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Feb 23, 2021 · Energy recovery and hybrid power technology are new directions in construction machinery energy-saving research. Thus far, however, no uniform standard method exists to evaluate the efficiency of novel energy-saving concept systems in early stages of development. Efficiency assessment is valuable and credible only by relying on driving cycles that are consistent with actual data.
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U.S. Department of Energy Office of Scientific and Technical Information Search terms: Advanced search options Advanced Search Options Advanced Search queries use a traditional Term Search.
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availability (%), daily excavator utilization (%), total excavator bucket load (bcm) as the input parameters and daily excavator fuel consumption as output. Statistical description of the entire datasets is shown in Table 1. Table 2 also shows the correlation matrix within the data collected. 1
Learn MoreJun 23, 2020 · A semicontinuous process system consisting of a single-bucket excavator, truck, crushing station, and belt conveyor is the main coal mining process system of a large-scale hard coal open-pit mine. Through analyzing the coal mining production process, the key issues of coal mining truck flow optimization are obtained. Statistical method of using triangular fuzzy numbers analyzes the key …
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Jan 01, 2016 · Real-life designing and usage of single-bucket excavators shows that with the increase in performance and weight their specific indices and, in general, operational efficiency remain practically the same. This fact is due to one specific feature of their force diagram (the diagram of reception and closure of external loads).
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excavator to cut energy consumption by 40% or more. This paper reports the results of the verification test on the fuel economy of the hybrid excavator in actual operations. 1. The purposes of hybrid hydraulic excavators Hydraulic excavators are subject to large variations in …
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Evaluation of load distribution in the superstructure rotation joint of single-bucket caterpillar excavators. T Smolnicki, D Derlukiewicz, M Stańco. Automation in Construction 17 (3), 218-223, 2008. 87: 1st Renewable Energy Sources-Research and Business
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May 13, 2014 · Purpose – The purpose of this paper is to present a methodology for assessing the structural integrity of a tie member from a bucket‐wheel excavator, ESRC 470 model, which was in operation for about 20 years. The tie member is made of S355J2N structural steel. Following the period of operation, the occurrence of microcracks which can propagate by fatigue is almost inevitable. It is
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Jun 24, 2019 · Alternating-current electric motors for mining excavators are intended for use as parts of mechatronic systems in single-bucket machines with the minimal bucket volume of 10 m 3.These motors serve for raising gear drives, traction (thrust), turning, and motion mechanisms of excavators and run in a broad range of adjusted rotation frequencies and frequent reversions, as well as with large …
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