Working Performance of Bidirectional Profiling Press Device in Hilly Areas of Northeast China
According to the conditions of seeding operations in hilly areas of Northeast China, a bidirectional profiling press device (BPPD) was designed. The BPPD mainly consists of a press roller and strength adjusting mechanism which could grant the BPPD horizontal and vertical profile ability. The orthogo...
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-09-01
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| Series: | Agriculture |
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| Online Access: | https://www.mdpi.com/2077-0472/12/9/1365 |
| _version_ | 1827664550726467584 |
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| author | Hongjun Liu Wenyi Zhang |
| author_facet | Hongjun Liu Wenyi Zhang |
| author_sort | Hongjun Liu |
| collection | DOAJ |
| description | According to the conditions of seeding operations in hilly areas of Northeast China, a bidirectional profiling press device (BPPD) was designed. The BPPD mainly consists of a press roller and strength adjusting mechanism which could grant the BPPD horizontal and vertical profile ability. The orthogonal tests <i>L</i><sub>9</sub> (3<sup>4</sup>) in the field were conducted to investigate the press roller types and operating parameters effects of the BPPD working performance. In the field tests, three kinds of press rollers—rubber press roller (RPR), planar press roller (PPR) and squirrel cage-type press roller (SPR)—were tested under the condition of three spring deformations (10 mm, 20 mm, and 30 mm) and three forward speeds (3 km/h, 5 km/h and 7 km/h). The soil moisture content, average emergence time, emergence ratio, and plant height uniformity were tested as test indexes. Using statistical analysis software, the results of the orthogonal test are press roller type, spring deformation and forward speed have significant influence on the test indexes of soil moisture content, average emergence time, emergence ratio, and plant height uniformity which press roller type have highly significant influence on the average emergence time and emergence ratio index. Using a comprehensive weighted algorithm, the sequence of factors affecting the BPPD performance was determined: spring deformation, forward speed, and press roller type; optimal combination: press roller type PPR, a spring deformation of 20 mm, and a forward speed of 5 km/h. |
| first_indexed | 2024-03-10T01:02:34Z |
| format | Article |
| id | doaj.art-68f6cca97fb24da0a2d757f642753d61 |
| institution | Directory Open Access Journal |
| issn | 2077-0472 |
| language | English |
| last_indexed | 2024-03-10T01:02:34Z |
| publishDate | 2022-09-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Agriculture |
| spelling | doaj.art-68f6cca97fb24da0a2d757f642753d612023-11-23T14:32:46ZengMDPI AGAgriculture2077-04722022-09-01129136510.3390/agriculture12091365Working Performance of Bidirectional Profiling Press Device in Hilly Areas of Northeast ChinaHongjun Liu0Wenyi Zhang1Nanjing Institute of Agricultural Mechanization, Ministry of Agriculture and Rural Affairs, Nanjing 210014, ChinaNanjing Institute of Agricultural Mechanization, Ministry of Agriculture and Rural Affairs, Nanjing 210014, ChinaAccording to the conditions of seeding operations in hilly areas of Northeast China, a bidirectional profiling press device (BPPD) was designed. The BPPD mainly consists of a press roller and strength adjusting mechanism which could grant the BPPD horizontal and vertical profile ability. The orthogonal tests <i>L</i><sub>9</sub> (3<sup>4</sup>) in the field were conducted to investigate the press roller types and operating parameters effects of the BPPD working performance. In the field tests, three kinds of press rollers—rubber press roller (RPR), planar press roller (PPR) and squirrel cage-type press roller (SPR)—were tested under the condition of three spring deformations (10 mm, 20 mm, and 30 mm) and three forward speeds (3 km/h, 5 km/h and 7 km/h). The soil moisture content, average emergence time, emergence ratio, and plant height uniformity were tested as test indexes. Using statistical analysis software, the results of the orthogonal test are press roller type, spring deformation and forward speed have significant influence on the test indexes of soil moisture content, average emergence time, emergence ratio, and plant height uniformity which press roller type have highly significant influence on the average emergence time and emergence ratio index. Using a comprehensive weighted algorithm, the sequence of factors affecting the BPPD performance was determined: spring deformation, forward speed, and press roller type; optimal combination: press roller type PPR, a spring deformation of 20 mm, and a forward speed of 5 km/h.https://www.mdpi.com/2077-0472/12/9/1365profiling press devicerollerforward speedseedbed propertiescorn emergencehilly area |
| spellingShingle | Hongjun Liu Wenyi Zhang Working Performance of Bidirectional Profiling Press Device in Hilly Areas of Northeast China Agriculture profiling press device roller forward speed seedbed properties corn emergence hilly area |
| title | Working Performance of Bidirectional Profiling Press Device in Hilly Areas of Northeast China |
| title_full | Working Performance of Bidirectional Profiling Press Device in Hilly Areas of Northeast China |
| title_fullStr | Working Performance of Bidirectional Profiling Press Device in Hilly Areas of Northeast China |
| title_full_unstemmed | Working Performance of Bidirectional Profiling Press Device in Hilly Areas of Northeast China |
| title_short | Working Performance of Bidirectional Profiling Press Device in Hilly Areas of Northeast China |
| title_sort | working performance of bidirectional profiling press device in hilly areas of northeast china |
| topic | profiling press device roller forward speed seedbed properties corn emergence hilly area |
| url | https://www.mdpi.com/2077-0472/12/9/1365 |
| work_keys_str_mv | AT hongjunliu workingperformanceofbidirectionalprofilingpressdeviceinhillyareasofnortheastchina AT wenyizhang workingperformanceofbidirectionalprofilingpressdeviceinhillyareasofnortheastchina |