单侧筑埂机镇压筑埂装置工作动力学参数测试与试验

为获得筑埂作业时土壤对其关键部件镇压筑埂装置的作用力,以1DSZ-350型悬挂式水田单侧旋耕镇压修筑埂机筑埂装置为研究载体,采用应变传感器设计了镇压筑埂装置动力学参数测试系统,并搭建动力学测试试验台。对镇压筑埂装置的工作参数进行测试,以镇压筑埂装置前进速度和转速为试验因素,以田埂成型过程中土壤对弹性羽片作用力和田埂坚实度为性能指标进行单因素试验,获得弹性羽片受土壤作用力、田埂坚实度与镇压筑埂装置前进速度、转速之间的关系。试验结果表明:当镇压筑埂装置转速一定时,随着机具前进速度的增加,土壤对弹性羽片作用力平均值增大,田埂坚实度减小,变化范围分别为:2 838.1~5 695.2 N和2 250~1 680 kPa;当机具前进速度一定时,随着镇压筑埂装置转速的增加,土壤对弹性羽片的作用力平均值与所筑田埂坚实度均增大,变化范围分别为:3 203.8~5 990.3 N和1 460~2 180 kPa。经试验验证,工作参数测试系统的设计符合实际要求,为类似结构装置的相关参数测试提供了参考。

Design and Experiment on Working Dynamics Parameters of Single-side Ridger

The object was to obtain the forces of soil on compacting ridge device of ridger when operating. Taking 1DSZ-350 type hanging unilateral rotary tillage compacting ridger for paddy field as research carrier, a kinetic parameters measurement system was designed for compacting ridge device using strain sensor, and a kinetic test bench was set up. The operation parameters of compacting ridge device were measured, and the variation rules of the force of soil on pinnae, and the relationships between ridge compaction and forward speed and rotation speed of compacting ridge device were obtained, which was carried out through single factor experiment with the forward speed and rotation speed of compacting ridge device as experiment factors, the force of soil on pinnae and the compaction of ridge in the process of building ridge as experiment indicators. The results showed that when the rotation speed of compacting ridge device was fixed , with the increase of forward speed of machinery, the average value of force of soil on pinnae was increased, and the compaction of ridge was decreased, which was in the range of 2838.1~5695.2N and 2250~1680kPa, respectively. When the forward speed of machinery was fixed, the average value of force of soil on pinnae and the compaction of ridge were increased with the increase of rotation speed of compacting ridge device, which was in the range of 3203.8~5990.3N and 1460~2180kPa, respectively. According to the test results, the test system for operation parameters of compacting ridge device can meet the requirements, which can provide important reference for the relevant parameters test of similar device.