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Current IssueEditorial BoardOnline First ArticlesArchive

Research Article

volume 35 issue 4 (december 2020) : 219-225,   Doi: 10.18805/BKAP257

Drudgery reduction in operation of cleaner-cum-grader: An ergonomic intervention 

R
R.R. Potdar
P
P.S. Tiwari
P
Prabhakar Shukla
A
Anurag Patel
B
Bikram Jyoti
1ICAR-Central Institute of Agricultural Engineering, Nabibagh, Bhopal-462 038, Madhya Pradesh, India.

  • Submitted09-01-2021|

  • Accepted19-01-2021|

  • First Online 28-05-2021|

  • doi 10.18805/BKAP257

Cite article:- Potdar R.R., Tiwari P.S., Shukla Prabhakar, Patel Anurag, Jyoti Bikram (2021). Drudgery reduction in operation of cleaner-cum-grader: An ergonomic intervention. Bhartiya Krishi Anusandhan Patrika. 35(4): 219-225. doi: 10.18805/BKAP257.

ABSTRACT

A pedal-operated cleaner-cum-grader having common bicycle chain-sprocket mechanism to get the speeds of 240 and 720 rpm of eccentric shaft and  blower shaft, respectively for the desired cleaning/grading of grains was developed earlier by CIAE, Bhopal. Also, in order to utilize the human energy in more efficient way through pedalling mode, CIAE has recently developed a dynapod. The dynapod is a pedal operated rotary device, which can be used as an interface between human worker and any rotary-type machine. The developed dynapod was used to operate the cleaner-cum-grader to assess the drudgery reduction in its operation in comparison to original pedalling mechanism. The dynapod was interfaced with the cleaner-cum-grader by carrying out minor modifications in the original unit. Eight male agricultural workers with mean stature and weight as 168.4 cm and 54.4 kg, respectively participated in the study. The cleaner-cum-grader was used for cleaning and grading of soybean grains. Heart rate of the workers was measured during operation of cleaner-cum-grader using the dynapod as well as the original pedalling mechanism. Mean working heart rate during operation of machine with original pedalling mechanism was 114 beats min-1 as against 108 beats min-1 in case of pedalling with dynapod. The work pulse (ÄHR) with the original pedalling mechanism was 35 beats min-1 as against 29 beats min-1 during pedalling with dynapod. The output capacity of the machine increased from 303 kg h-1 in case of original pedalling mechanism to 345 kg h-1 with dynapod. Considering the cardiac cost as well as output of the machine, the drudgery reduction by using dynapod with cleaner-cum-grader was about 25.4% as compared to the original pedalling mechanism.

REFERENCES

  1. Marsh, A.P. and Martin P. E. (1997). Effect of cycling experience, aerobic power and power output on preferred and most economical cycling cadences. Med. Sci. Sports Exerc., 29(9): 1225-1232.
  2. Marsh, A.P. and Martin P.E. (1993). The association between cycling experience and preferred and most economical cadences. Med. Sci. Sports Exerc., 25(11): 1269-1274. 
  3. Marsh, A.P., Martin, P.E. and Foley, K.O. (2000). Effect of cadence, cycling experience and aerobic power on delta efficiency during cycling. Med. Sci. Sports Exerc., 32(9): 1630-1634.
  4. Gite, L.P., Agrawal, K.N., Mehta, C.R., Potdar, R.R., Narwariya, B.S. (2020). Handbook of Ergonomical Design of Agricultural Tools, Equipment and Work Places. Jain Brothers (New Delhi).
  5. Seabury, J.J., Adams, W.C. and Ramey, M.R. (1977). Influence of pedalling rate and power output on energy expenditure during bicycle ergometry. Ergonomics. 20(5): 491-498.
  6. Coast, J.R., Cox, R.H. and Welch, H.G. (1986). Optimal pedalling rate in prolonged bouts of cycle ergometry. Med. Sci. Sports Exerc. 18(2): 225-230.
  7. Khadatkar, A., Potdar, R.R., Narwariya, B.S., Wakudkar, H. and Dubey, U.C. (2018). An ergonomic evaluation of pedal operated paddy thresher for farm women. Indian Journal of Agricultural Sciences. 88(2): 280-283. 
  8. Tiwari, P.S., Gite, L.P., Pandey, M.M. and Shrivastava, A.K. (2011). Pedal power for occupational activities: Effect of power output and pedalling rate on physiological responses. International J. of Industrial Ergonomics. 41(3): 261-267.
  9. Tiwari, P. S. (2012) Pedal power for occupational activities: Designing a dynapod. LAP LAMBERT Academic Publishing GmbH and Co. KG. Heinrich-Bocking-Str. 6-8, 66121 Saarbrucken, Germany, ISBN: 978-3-8484-0491-9. Pp 133.
  10. Potdar, R.R., Ram, R., Kumar, A., Singh, J.K. and Mani, I. (2011). Ergonomic evaluation of rotary power input by hand and leg muscles to operate farm equipment. Journal of Agricultural Engineering. 48(3), pp.8-16. 
  11. Neptune, R.R. and Hull, M.L. (1999). A theoretical analysis of preferred pedalling rate selection in endurance cycling. J. Biomec. 32: 409-415.
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    Research Article

    volume 35 issue 4 (december 2020) : 219-225,   Doi: 10.18805/BKAP257

    Drudgery reduction in operation of cleaner-cum-grader: An ergonomic intervention 

    R
    R.R. Potdar
    P
    P.S. Tiwari
    P
    Prabhakar Shukla
    A
    Anurag Patel
    B
    Bikram Jyoti
    1ICAR-Central Institute of Agricultural Engineering, Nabibagh, Bhopal-462 038, Madhya Pradesh, India.

    • Submitted09-01-2021|

    • Accepted19-01-2021|

    • First Online 28-05-2021|

    • doi 10.18805/BKAP257

    Cite article:- Potdar R.R., Tiwari P.S., Shukla Prabhakar, Patel Anurag, Jyoti Bikram (2021). Drudgery reduction in operation of cleaner-cum-grader: An ergonomic intervention. Bhartiya Krishi Anusandhan Patrika. 35(4): 219-225. doi: 10.18805/BKAP257.

    ABSTRACT

    A pedal-operated cleaner-cum-grader having common bicycle chain-sprocket mechanism to get the speeds of 240 and 720 rpm of eccentric shaft and  blower shaft, respectively for the desired cleaning/grading of grains was developed earlier by CIAE, Bhopal. Also, in order to utilize the human energy in more efficient way through pedalling mode, CIAE has recently developed a dynapod. The dynapod is a pedal operated rotary device, which can be used as an interface between human worker and any rotary-type machine. The developed dynapod was used to operate the cleaner-cum-grader to assess the drudgery reduction in its operation in comparison to original pedalling mechanism. The dynapod was interfaced with the cleaner-cum-grader by carrying out minor modifications in the original unit. Eight male agricultural workers with mean stature and weight as 168.4 cm and 54.4 kg, respectively participated in the study. The cleaner-cum-grader was used for cleaning and grading of soybean grains. Heart rate of the workers was measured during operation of cleaner-cum-grader using the dynapod as well as the original pedalling mechanism. Mean working heart rate during operation of machine with original pedalling mechanism was 114 beats min-1 as against 108 beats min-1 in case of pedalling with dynapod. The work pulse (ÄHR) with the original pedalling mechanism was 35 beats min-1 as against 29 beats min-1 during pedalling with dynapod. The output capacity of the machine increased from 303 kg h-1 in case of original pedalling mechanism to 345 kg h-1 with dynapod. Considering the cardiac cost as well as output of the machine, the drudgery reduction by using dynapod with cleaner-cum-grader was about 25.4% as compared to the original pedalling mechanism.

    REFERENCES

    1. Marsh, A.P. and Martin P. E. (1997). Effect of cycling experience, aerobic power and power output on preferred and most economical cycling cadences. Med. Sci. Sports Exerc., 29(9): 1225-1232.
    2. Marsh, A.P. and Martin P.E. (1993). The association between cycling experience and preferred and most economical cadences. Med. Sci. Sports Exerc., 25(11): 1269-1274. 
    3. Marsh, A.P., Martin, P.E. and Foley, K.O. (2000). Effect of cadence, cycling experience and aerobic power on delta efficiency during cycling. Med. Sci. Sports Exerc., 32(9): 1630-1634.
    4. Gite, L.P., Agrawal, K.N., Mehta, C.R., Potdar, R.R., Narwariya, B.S. (2020). Handbook of Ergonomical Design of Agricultural Tools, Equipment and Work Places. Jain Brothers (New Delhi).
    5. Seabury, J.J., Adams, W.C. and Ramey, M.R. (1977). Influence of pedalling rate and power output on energy expenditure during bicycle ergometry. Ergonomics. 20(5): 491-498.
    6. Coast, J.R., Cox, R.H. and Welch, H.G. (1986). Optimal pedalling rate in prolonged bouts of cycle ergometry. Med. Sci. Sports Exerc. 18(2): 225-230.
    7. Khadatkar, A., Potdar, R.R., Narwariya, B.S., Wakudkar, H. and Dubey, U.C. (2018). An ergonomic evaluation of pedal operated paddy thresher for farm women. Indian Journal of Agricultural Sciences. 88(2): 280-283. 
    8. Tiwari, P.S., Gite, L.P., Pandey, M.M. and Shrivastava, A.K. (2011). Pedal power for occupational activities: Effect of power output and pedalling rate on physiological responses. International J. of Industrial Ergonomics. 41(3): 261-267.
    9. Tiwari, P. S. (2012) Pedal power for occupational activities: Designing a dynapod. LAP LAMBERT Academic Publishing GmbH and Co. KG. Heinrich-Bocking-Str. 6-8, 66121 Saarbrucken, Germany, ISBN: 978-3-8484-0491-9. Pp 133.
    10. Potdar, R.R., Ram, R., Kumar, A., Singh, J.K. and Mani, I. (2011). Ergonomic evaluation of rotary power input by hand and leg muscles to operate farm equipment. Journal of Agricultural Engineering. 48(3), pp.8-16. 
    11. Neptune, R.R. and Hull, M.L. (1999). A theoretical analysis of preferred pedalling rate selection in endurance cycling. J. Biomec. 32: 409-415.
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