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山西省《DB14/T 1863-2019手扶式电动小籽粒播种机技术要求》解读

2022-07-13 11:26:56 来源:农机网整理发布 阅读量:40402 评论

导读:本标准主要适用于播种谷子、胡萝卜、中药材等小籽粒作物的手扶式电动播种机(以下简称播种机),电动机功率小于3 kW、播种籽粒小于5 mm的电动小籽粒播种机,其他电动播种机可参照执行。

  【农机网 政策与标准】随着近年来电动播种机的推广与应用,创新科技正推动着农业生产技术持续升级。全国多地相继制定实施了相关技术规范标准。山西省现行一项《DB14/T 1863-2019手扶式电动小籽粒播种机技术要求》地方标准,具体内容如下:
 
  由长治市孚斯特轴承制造有限公司、山西省农业大学工学院、山西省农机质量监督管理站、山西省农业机械化技术推广总站、长治市农业机械研究所、长治市农机技术推广站起草的《DB14/T 1863-2019手扶式电动小籽粒播种机 技术要求》于2019年6月25日由山西省市场监督管理局批准发布,于2019年8月25日实施。

  本标准由山西省农业机械发展中心提出并监督实施,由山西省农业机械标准化技术委员会归口。标准规定了手扶式电动小籽粒播种机的型号、技术要求、安全要求、试验方法、检验规则、标志、包装、运输和贮存。本标准主要适用于播种谷子、胡萝卜、中药材等小籽粒作物的手扶式电动播种机(以下简称播种机),电动机功率小于3 kW、播种籽粒小于5 mm的电动小籽粒播种机,其他电动播种机可参照执行。
 
  一般要求播种机应符合本标准的要求,并按经规定程序批准的图样和技术文件制造。 同一型号的播种机或相同的零、部件必须保证其通用性和互换性。焊接件应焊接牢固,无漏焊、烧穿和裂纹等缺陷。冲压件应光滑平整,无毛刺、飞边、裂纹和明显残缺皱折。电机、蓄电池、电控开关等电器元件必须有防护外壳,都应能承受正常工作状态时可能发生的高温和机械应力,不会因弯曲、蠕变、变形而导致发生着火和触电的危险。电源导线必须符合绝缘性、耐热性的要求。
 
  性能指标——
 
  主要性能指标播种机的排种性能在规定排量谷子 3 kg/hm2~9 kg/hm2(0.2 kg/667 ㎡~0.6 kg/667 ㎡)、胡萝卜 12 kg/hm2~16.5 kg/hm2(0.8 kg/667 ㎡~1.1 kg/667 ㎡)的条件下,应符合表 1 的规定。
 
  表1排种性能指标
 


 

  播种机按规定播量 3 kg/hm2~9 kg/hm2(0.2 kg/667 ㎡~0.6 kg/667 ㎡),以≤3 km/h 的作业速度播种谷子时,播种均匀性变异系数应不大于 65%;按规定播量 12 kg/hm2~16.5 kg/hm2(0.8 kg/667
 
  ㎡~1.1 kg/667 ㎡),以≤3 km/h 的作业速度播种胡萝卜时,播种均匀性变异系数应不大于 75%。
 
  6.1.3 在种子、整地质量符合精密播种农业技术要求时,小籽粒播种机作业性能指标应符合表 2 的规定。
 
  表2作业性能指标

 

  安全要求——
 
  播种机安全技术要求应符合 GB 10395.9 和 GB 10396 的规定。
 
  对操作者有危险的外露旋转件应设置符合 GB 23821 规定的安全防护装置。外露链轮传动装置应有牢固、可靠的防护罩。防护罩上应有安全警示标志。
 
  播种机单独停放时应能保持稳定、安全。
 
  使用说明书中应规定安全操作和维护保养的措施和方法。
 
  每台播种机应在操作人员及驾驶员可视的明显位置标上“播种时不可倒退”的标志。
 
  锂电池的安全性参照 GB 8897.4-2008 中 6 检验和要求的相关规定,并由外协企业负责。
 
  电机介电强度试验、机械强度试验符合 GB 14711 的相关规定,并由外协企业负责。
 
  电器绝缘性采用绝缘保护技术、直接接触保护技术、间接接触保护技术等对电器设备按设计用途使用时由于电能直接作用而造成的危险提供足够的保护。
 
  点击下方下载该标准完整文件了解更多详情。
 
  注:本文由农机网(www.nongjx.com)整理发布,资料来源:全国标准信息公共服务平台。
 
相关资料下载:

DB14T1863-2019FDIS.pdf

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