Ride comfort development with hand tractor - drawn implements
2003
Bautista, E.G. | Tadeo, B.D. | Cordero, J.C. (Philippine Rice Research Inst., Maligaya, Munoz, Nueva Ecija (Philippines). Central Experiment Station)
Seat design and ride comfort of the operator using two commercial models for the riding harrow-leveler attachments were evaluated. Consequently, a new structural design was designed and developed. The main frame consisted of a 2-inch-diameter pipe connecting the hitch and the operator seat assembly. A telescopic pipe was installed at the other end of the frame to enable it to be adjusted and suited to different handtractor handle. The seat assembly could be adjusted up and down. Along the frame, a hexagonal shaft would act as a universal fitting for the plow, harrow and other attachment. The plow consisted of two discs while the toothed harrow leveler was 170-cm long. A two-step foot-controlled assembly sets the harrow angle while in operation to facilitate both soil buldozing and release. Tests of the ride-on plow showed that an operator machine system could plow 0.17 ha/h at 81% field efficiency travelling at 2.9 km/hr. Width and depth of cut during plowing were 61 cm and 9.3 cm, respectively. The existing prototypes has been used for three days during the DS [dry season] land preparation at PhilRice CES [Philippine Rice Research Inst., Maligaya, Munoz, Nueva Ecija, Philippines. Central Experiment Station]. Operators commented that riding operations would uplift their working conditions. Ride comfort encourages an operator to work in larger fields longer while minimizing the chances of getting hurt by hard objects or golden apple snail shells and reducing the harm of toxic elements owing to prolonged soaking in the field
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