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抓木器卡住无法开合?昂慕科科技技术解读:破解高频故障的三种方法

发布时间:2020-07-30 17:50

“刚抓了一堆碎石,爪子突然卡住动弹不得,工期好像耽误了!”抓木机是物料转移和清障作业的核心设备,“爪子卡住”和“打不开关不上”是建筑工人最头疼的高频故障。近日,秦家技术技术服务团队结合近百次现场维修经验,针对这两类故障展开了专项解读,形成了从原因调查、应急处理到预防技能的完整方案,为中小型工程团队提供了实践指导。

“大多数抓木机故障不是部件损坏造成的,而是日常操作或维护细节不佳造成的”,勤嘉科技技术总监王工介绍,团队统计数据显示,抓木机“爪齿卡住”、“无法启闭”故障中,70%是由于杂物卡住、缺乏润滑或液压管路轻微堵塞造成的,仅30%涉及部件故障,掌握基本的排查技能可以快速解决大部分问题。

针对最常见的“杂物卡住”问题,技术团队给出了明确的调查步骤:首先关闭抓木机的液压控制开关,避免误操作造成危险;然后观察爪齿的启闭接头,重点检查销钉与爪体的连接处是否缠绕着钢丝、砾石颗粒等杂物——在市政清场作业中很容易被废铁丝卡住,采矿作业多为砾石嵌塞。应使用专用挂钩或平铲协助清理,禁止用手直接触摸接头间隙。清理完毕后,手动推动爪齿,测试启闭程度。如果仍然卡住,则需要进入下一次润滑检查。

“润滑不足是停滞的‘隐形原因’。许多建筑工人只注重表面润滑,而忽视了关键销的深层维护。”王工强调,抓木机的每个爪齿销处都有2-3个润滑点。每周维护时需要添加锂基润滑脂,并确保润滑脂渗透到销的内部。如果由于长期不润滑而导致延误,可以在紧急处理时先添加少量松动剂。静置5分钟后,用锤子轻敲爪齿侧面,用控制手柄慢慢打开和关闭。活动顺利后,添加足够的润滑脂。某地区工程队负责人反映,抓木机之前无法完全关闭。按此方法清洗润滑后,设备立即恢复正常,节省了维修人员上门等候的时间。

如果经过以上两步排查仍未解决故障,则需要重点检查液压系统:首先观察液压管路是否弯曲或损坏,接头是否渗油;然后检查液压油位。如果低于标准线,则需要补充同类型的液压油;如果液位正常,则可以拆卸抓木器来控制油路的过滤器,并检查是否因杂质堵塞而压力不足——这个问题在抓取油性材料后尤为常见。可以通过清洗过滤器或更换滤芯来解决。勤佳科技特别提醒,在检查液压系统时,首先需要卸压,以免注油伤人。

在预防技巧上,技术团队根据不同工况给出建议:抓住尖锐材料(如钢材和废钢筋)后,操作后应立即清理爪齿间隙;在雨天或潮湿环境下操作后,销应防锈;每月维护重点检查爪齿连接螺栓,如果松动,应及时拧紧,以防止因受力不均而卡住。

为了让建筑工人快速掌握技能,勤佳科技将相关内容制作成了“故障排查流程图”,附在《液压附件使用与维护实用操作指南》增刊版中,可通过官网链接免费下载。同时开通“抓木机故障快速通道”,在工作日内,技术人员可在10分钟内响应询问,并结合现场照片,远程指导排查。“对于中小型工程团队来说,快速解决故障就是节约成本。”王工说,后续团队还将针对不同工况制作专项教学短视频,让故障处理技能更易于实施。

业内专家指出,抓木机等液压附件故障处理技能的普及,不仅可以降低施工企业的运维成本,还可以提高行业整体运营效率,作为初创企业,昂慕科科技深耕细分行业痛点,正通过技术解读、实操指导等增值服务,逐步构建差异化竞争优势。

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