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北京《DB11/T 298-2005捡拾打捆机 作业质量》地方标准解读

2022-06-21 16:11:00 来源:农机网整理发布 阅读量:28460 评论

导读:《DB11/T 298-2005捡拾打捆机 作业质量》适用于牧草打捆机(圆捆打捆机和方捆压捆机)作业质量的评定。

  【农机网 政策与标准】2022年6月中旬,北京市20余万亩小麦迎来收获期。北京市农业机械试验鉴定推广站技术人员表示,当前全市农作物秸秆综合利用率达到99%以上,各区通过实施秸秆综合利用重点区建设项目,形成了典型模式和主推技术。据悉,从2005年开始,北京市就已开始实施相关作业质量地方标准。

  《DB11/T 298-2005捡拾打捆机 作业质量》是由北京市农业局提出并归口,由北京市农业机械试验鉴定推广站和北京市农业局农机管理处起草。于2005年6月28日由北京市质量技术监督局批准发布,于2005年8月1日开始实施。
 
  本标准规定了牧草捡拾打捆机(圆捆打捆机和方捆压捆机)作业质量指标、检测方法和检验规则。本标准适用于牧草打捆机(圆捆打捆机和方捆压捆机)作业质量的评定。
 
  作业质量指标:本标准规定的打捆机作业质量指标值是按牧草当量含水率为 20%时,打捆机在正常作业条件下确定的。圆草捆打捆机主要作业质量应符合表 1 的规定。
 
  表 1 圆草捆打捆机的主要作业质量
 

  方草捆压捆机主要作业质量应符合表 2 的规定。
 
  表2 方草捆压捆机的主要作业质量

 
  检验规则:
 
  不合格项目分类:被检测项目凡不符合本标准第 4 章要求的均称该项不合格,按其对作业质量的影响程度,圆草捆打捆机分为 A 类不合格、B 类不合格,不合格分类见表 3;方草捆打捆机分为 A 类不合格、B 类不合格、C 类不合格,不合格分类见表 4。
 
  判定原则:采用逐项考核、按类判定。当不合格数小于不合格判定数时,评为合格,大于或等于不合格判定数时,评为不合格。各类全部合格时,则最终评为合格;任一类或多个类评为不合格时,则最终评为不合格。
 
  表 3 圆草捆打捆机不合格分类表
 


 

  表 4方草捆打捆机不合格分类表
 


 

  检测方法——
 
  试验条件要求:
 
  样机应按使用说明书的规定进行磨合、调整、试运转,其技术状态应良好。方草捆压捆机草捆长度的设定应符合 JB/T 5166 中第 4.2.5 条的规定。
 
  试验地应基本符合打捆机的适用范围,其牧草品种、草条特征、土壤、地块大小、地形等应具有代表性。打捆时的牧草含水率应在 17%~25%之间。
 
  试验条件测定——
 
  草条特征:观察并记录牧草品种,在试验区内随机取五段草条,测定草条宽度、厚度、每米草条质量。
 
  分三等评定草条铺放质量:
 
  a)上等草条:铺放整齐、均匀、连续;
 
  b)中等草条:铺放比较整齐、均匀、连续,只有个别地段有断条或堆积过多等情况;
 
  c)下等草条:铺条零乱,须人工整理后才能正常作业。
 
  可下载完整标准文件了解具体计算公式。
  
 
  注:本文由农机网(www.nongjx.com)整理发布,资料来源:全国地方标准信息平台。
相关资料下载:

DB11!T_298-2005.pdf

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