Kinerja Roda Besi Bersirip Multi-Angle untuk Lahan Sawah Terasering
DOI:
https://doi.org/10.19028/jtep.06.2.195-202Keywords:
climbing performance, hand tractor, lug wheel, multi-angle lug, terraced paddy fieldAbstract
Abstract
The paddy plots in upland area have fairly steep embankments between plots. This condition causes a hand tractor difficult to move from one plot to another. The objective of this research was to design and test a lug wheel equipped with a multi-angle lug mechanism for slope climbing using a hand tractor. The lug plates of the wheel can be rotated using a mechanism, so that the lug angle can be set at 0°, 15°, 30°, 45°, and -15°. Traction performance tests of the prototype wheel were conducted on slope tracks of 15o, 30o and 45o angle. Tractor velocity, torque of wheel shaft, wheel rotational speed and wheel sinkage were measured using corresponding sensors and recorded during the performance test. The test result on 45o slope show that lug wheel with lug angle of -15o produced the highest traction efficiency (93.83%). For climbing the slopes, lug wheel with a smaller lug angle (0o and -15o) produced a higher traction efficiency and a smaller wheel slip than that of using a higher lug angle. The multi-angle lug wheel with a small lug angle had a better slope climbing performance than that of the conventional fixed lug wheel.
Abstrak
Pematang sawah di daerah dataran tinggi memiliki tanggul antara petakan yang cukup curam. Kondisi ini membuat traktor tangan sulit untuk berpindah dari satu petakan ke petakan lainnya. Tujuan dari penelitian ini adalah untuk mendesain dan menguji sirip roda yang dilengkapi mekanisme sirip multi-angle untuk pendakian lereng dengan menggunakan traktor tangan. Pelat sirip dari roda dapat diputar dengan menggunakan mekanisme, sehingga sudut sudut dapat diatur pada 0°, 15°, 30°, 45°, dan -15°. Uji kinerja traksi prototipe roda dilakukan pada lintasan miring dengan sudut kemiringan 15o, 30o dan 45o. Kecepatan traktor, torsi poros roda, kecepatan putaran roda dan roda sinkage diukur dengan menggunakan sensor yang sesuai dan dicatat selama pengujian kinerja. Hasil pengujian pada kemiringan 45o menunjukkan bahwa roda pengangkut dengan sudut sirip -15o menghasilkan efisiensi traksi tertinggi (93.83%). Pada pendakian lereng, sirip roda dengan sudut sirip yang lebih kecil (0o dan -15o) menghasilkan efisiensi traksi yang lebih tinggi dan slip roda yang lebih rendah daripada sudut sirip yang lebih besar. Roda besi bersirip multi-angle dengan sudut sirip kecil memiliki kinerja pendakian lereng yang lebih baik daripada roda besi bersirip konvensional.
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