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北京DB11/T 1572-2022《微耕机安全运行技术规范》解读

2023-02-03 11:00:16 来源:农机网整理发布 阅读量:41169 评论

导读:该地方标准适用于发动机标定功率不大于7.5kW的微耕机的安全运行及定期检验。田园管理机的安全运行及检验可参照执行。

  【农机网 政策与标准】2022年9月29日,北京市市场监督管理局批准发布了DB11/T 1572-2022《微耕机安全运行技术规范》,该地方标准自2023年1月1日开始实施。
 
  规定了微耕机整机、运转、安全操作及维修保养与贮存的要求。适用于发动机标定功率不大于7.5kW的微耕机的安全运行及定期检验。田园管理机的安全运行及检验可参照执行。
 

 
     【整机要求】
 
  外观要求:
 
  每台微耕机应标有企业产品标牌,标牌应符合 GB/T 13306 的规定。标牌至少应标明下列内容:
 
  产品型号、名称;主要技术参数;制造商名称、地址;制造日期;产品执行标准编号。
 
  微耕机相应部件和各部位应无变形、破裂、渗漏及连接松动现象。
 
  链条、链轮、皮带、皮带轮、风扇、动力输出轴、作业刀片等运动部件应有完整有效的防护罩,
 
  并应符合 GB 10395.10 的规定。
 
  离合机构、油门机构和换挡机构,对应操作指示应完整清晰。
 
  易发生危险的部位安全警示标志应清晰、完好,并应符合 NY 2189 安全标志的规定。
 
  操纵机构的标识应保持完好、清晰,并应符合 GB/T 4269.1 和GB/T 4269.2 的规定。
 
  机架及行走系统:
 
  机架应完整,无变形、无裂纹、无严重锈蚀现象,螺栓和铆钉应无缺少和松动现象。
 
  发动机支架应无裂纹。
 
  皮带应无裂痕、断线。
 
  行走轮应连接可靠,轮毂、轮辋、辐板、锁圈应无裂纹。
 
  作业刀具应安装正确、安装连接件可靠。
 
  扶手架应有足够强度,在正常作业下不应变形,且应能上下、左右调整,调整范围符合设计要求,定位可靠。
 
  变速箱应固定可靠,密封应完好。
 
  电器:电器导线应捆扎成束,固定卡紧,接头牢靠并有绝缘绝热封套,潜在摩擦位置的电缆应有相应的保
 
  护装置。
 
  耕作装置:
 
  旋耕刀等耕作刀具刃口无缺口、裂纹。
 
  刀具及刀座无裂纹、变形,各焊接部位及紧固件牢固可靠。
 
  刀轴无弯曲变形和裂纹。
 
  刀片与刀座连接处的螺栓等级不低于 GB/T 3098.1 规定的 8.8 级,螺母等级不低于 GB/T 3098.2
 
  规定的 8 级。
 
  【运转要求】
 
  发动机:
 
  发动机仅在空挡且工作部件分离时才允许启动。
 
  发动机最大功率应不低于原设计标定值的 95%,燃油消耗率应不高于标定值的 2%。
 
  发动机应运转平稳,加速过程中以及在正常负荷状态下不应有窜油、冒浓烟、异响和敲击声; 标定转速、最高转速及怠速应符合原机规定。
 
  燃料箱应固定可靠,燃料箱盖应完好,无漏油现象。
 
  水箱应固定可靠,水箱盖应完好,无漏水现象。
 
  操纵装置:
 
  换挡手柄应工作正常,无非标改动。
 
  油门操纵机构应能保证发动机在全程调速范围内稳定运转。
 
  停机装置应完整有效,无非标改动。
 
  离合手柄应工作正常,无非标改动,在操纵力去除后应能自动回位,旋耕刀或旋转工作部件应立即停止运转。
 
  微耕机在操作者手离开操纵手柄后,旋转工作部件应立即停止运转。
 
  微耕机在非作业状态下应能可靠切断动力传输。
 
  传动系统:
 
  离合器应分离彻底、接合平稳,不打滑、不抖动。
 
  变速箱平顺,不乱挡,不跳挡,不脱挡,无异响。
 
  链轮、皮带轮、齿轮不应有裂纹。轮缘、轴孔、键槽、链齿、轮槽工作面及齿轮啮合工作面应
 
  完好、可靠。同一传动副上的链轮或皮带轮应在同一回转平面内,齿轮装配应符合原设计要求。
 
  点击下方下载完整标准文件。
 
  注:本文由农机网(www.nongjx.com)整理发布,资料来源:地方标准信息公共服务平台。
 
相关资料下载:

DB11!T 1572-2022.pdf

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