期刊论文

Design of movable tray for bowl seedlings

中文

湖南农业大学学报(自然科学版)

1007-1032

2018

44

6

666-671

10.13331/j.cnki.jhau.2018.06.016

湖南省科学技术厅重点项目（2017NK2131）；

本校为第一机构

为解决钵苗基质与钵盘间因接触面积大而导致其黏附力大、取苗时钵苗基质破损率高的问题,将现有油菜钵体苗育苗盘设计成由齿形侧板、矩形侧板、扭力弹簧和支撑轴等组成的钵穴形状可变的活动苗盘。借助Admas软件模拟仿真活动苗盘的开启过程及侧板上的受力情况,得到开启矩形侧板、齿形侧板的作用力峰值分别为4.28和9.22 N,作用力峰值出现时的位移间隔为25 mm。在万能材料力学试验机上对活动苗盘开启过程及侧板上的受力进行检测,得到开启矩形侧板、齿形侧板的作用力峰值分别为4.72和9.96 N,其作用力峰值出现时的位移间隔为24.3 mm,位移误差为2.8%。结果表明,活动苗盘的开启过程中作用力峰值变化趋势...

In order to solve the substrate breakage problem caused by the strong adhesive force due to the large contact area between bowl seedling substrate bowl tray, which have an effect on bowl seedlings quality, the existing tray for rape bowl seedlings was designed as a operable bowl holes movable tray, which was composed of a toothed side plate, a rectangular side plate, a torsion spring and a supporting shaft. The movable tray opening process and side plat force condition were simulated by Adams software. The peak force of rectangular side plate and toothed side plate was 4.28 N and 9.22 N respec...