Noise and Vibration Risk Assessment for the Operators of Crawler Loaders

• Autorzy: Carletti Eleonora , Pedrielli Francesca

Identyfikatory

DOI

10.24425/aoa.2019.129731

• Języki publikacji: EN

Abstrakty

EN

During work, earth-moving machines generate significant levels of noise and vibration that can be harmful for the operators; therefore the analysis of the noise and vibration conditions at the driving position is of great importance for the risk assessment. Compact loaders have become a pressing challenge as they are extremely hazardous referring to noise and vibration emissions, especially in their crawler version where further relevant noise and vibration are generated by the hard contact between track belt and ground. This paper reports the results of investigations carried out on three crawler compact loaders in different operating conditions. The main purpose was to investigate the noise and vibration values transmitted to the operators in some working conditions and use these data to obtain reliable estimates of the exposure to noise, to whole-body and to hand-arm transmitted vibrations, as well as to evaluate the related risk levels. Vibration signals transmitted to the operator were acquired on the seat and the machine control lever in accordance with the procedures specified in ISO 2631-1 and ISO 5349-1. At the same time, noise signals were acquired at the operator’s ear following the procedure reported in ISO 11201. Vibration signals were also acquired on the cabin floor with the main purpose to evaluate the effectiveness of the machine seats in reducing the vibration transmission. Finally, the noise and vibration exposure risks were evaluated on the basis of the health and safety requirements established in 2003/10/EC and 2002/44/EC Directives.

Słowa kluczowe

EN

noise exposure; whole-body vibration; hand-arm vibration; maximum exposure time; seat transmissibility

• Wydawca: Instytut Podstawowych Problemów Techniki PAN ; Komitet Akustyki PAN ; Polskie Towarzystwo Akustyczne
• Czasopismo: Archives of Acoustics
• Rocznik: 2019
• Tom: Vol. 44, No. 4
• Strony: 761--773
• Opis fizyczny: Bibliogr. 41 poz., fot., tab., wykr.

Twórcy

autor

Carletti Eleonora

• C.N.R.-IMAMOTER, Institute for Agricultural and Earthmoving Machines of the National Research Council of Italy, Via Canal Bianco, 28 – 44124 Ferrara, Italy

autor

Pedrielli Francesca

• C.N.R.-IMAMOTER, Institute for Agricultural and Earthmoving Machines of the National Research Council of Italy, Via Canal Bianco, 28 – 44124 Ferrara, Italy

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).