吉林大学学报(工学版) ›› 2009, Vol. 39 ›› Issue (05): 1212-1217.

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Seedling tray continuous feed and synchronous cavehole alignment device for precision paddy seedling transplanter

ZHOU Hai-bo1, |MA Xu2, LIU Ming-liang1   

  1. 1.College of Mechanical Engineering, Jiamusi University, Jiamusi 154007, China|2.Key Laboratory of Key Technology on Agricultural Machine and Equipment, Ministry of Education, South China Agricultural University, Guangzhou 510642, China
  • Received:2008-01-14 Online:2009-09-01 Published:2009-09-01

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Abstract:

    A new type device for seedling tray continuous feed and synchronous cavehole alignment was developed for a precision seedling transplanter using the combination of an electromagnetic directional valve and a pneumatic cylinder. A twolayer tray feed mechanism accomplishes the tray feed in turn pneumatically. The synchronous alignment of the tray feed is controlled by a position limitation cylinder. The accurate alignment of the tray cave and the pneumatic cylinder seedling sucking hole was realized by releasing the tray after receiving the cavehole alignment signal. Experiment results proved that adopting the twolayer tray feed and synchronous alignment device reduces the laboring intensity effectively, ensures the orientation precision of throwing seedling, improves the seedling transplonting quality, providing a reference for the development of the technology and equipment of paddy precision seedling transplanting.

Key words: agricultural engineering, paddy, precision seedling transplanter, tray nursing seedling, synchronous alignment

CLC Number: 

  • S223.1
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