| Design and manufacture of an integrated machine to spread membrane covering soil and seeding for dry land wheat |
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| DOI：10.7606/j.issn.1000-7601.2013.06.043 |
| Key Words: sower with all membrane covering soil dry land wheat all membrane covering soil dibbling device profile mechanism |
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| Abstract: |
| The integrated machine by all membrane covering soil and seeding for dry land wheat was designed and manufactured to the all membrane covering soil and dibbling technology. The procedures of rotary tillage, repression, spread membrane, cover soil, seeding and so on can be completed by this machine at the same time. The taking soil mode as rotary tillage cast soil to match the shovel board was adopted by this machine to ensure the sufficient source of soil. Designed out the devices of conveyor chain to convey soil and outside wheel to turn, realized the control for uniform covering soil on membrane and the covering soil thickness. The profiling mechanism is designed to realize the ground surface implementation of dibbling device, and the dynamic simulation was carried out for the profiling mechanism, analyzed the effects of the profiling mechanism. Through the prototype measurement in the field experiment, covering with a mean of 1.074 cm, the thickness of the overlying soil average width of 121.283 cm can meet the demands of agronomic, the average soil covering thickness was 1.074cm and the width was 121.283 cm to comform the requirements of agronomy. The variation coefficients of the thickness and width was 23.37% and 0.96%, respectively, comply with the design requirements. Through the field experiment and measurement, the soil bulk density and soil porosity was comformed to the requirements of agronomy after rotary tillage and repression. |
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