WO2015078411A1 - 隔离开关触头清洁电动刷 - Google Patents

隔离开关触头清洁电动刷 Download PDF

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Publication number
WO2015078411A1
WO2015078411A1 PCT/CN2014/092489 CN2014092489W WO2015078411A1 WO 2015078411 A1 WO2015078411 A1 WO 2015078411A1 CN 2014092489 W CN2014092489 W CN 2014092489W WO 2015078411 A1 WO2015078411 A1 WO 2015078411A1
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Prior art keywords
cleaning
electric
brush
cleaning brush
driving tool
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Application number
PCT/CN2014/092489
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English (en)
French (fr)
Inventor
李扬
刘勇
王光辉
杨宇
张卫东
许大平
罗衍岭
程春芳
于广
郭荣华
陈强
张家福
王家清
Original Assignee
国家电网公司
国网河北省电力公司沧州供电分公司
国网河北省电力公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 国家电网公司, 国网河北省电力公司沧州供电分公司, 国网河北省电力公司 filed Critical 国家电网公司
Publication of WO2015078411A1 publication Critical patent/WO2015078411A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
    • B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B13/00—Brushes with driven brush bodies or carriers
    • A46B13/02—Brushes with driven brush bodies or carriers power-driven carriers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
    • B08B1/12—Brushes

Definitions

  • the present invention relates to the technical field of installation and maintenance devices for power system substation equipment.
  • Isolation is one of the most used electrical appliances in high-voltage Shaoguan electrical appliances. Due to the large amount of use and high reliability requirements, it has a great influence on the design, establishment and safe operation of substations and power plants. Therefore, the operation and maintenance of the isolation is critical and will directly affect the reliability of the power supply.
  • the outdoor isolating switch and the contact that is isolated in the customs cabinet. Because of the oxide layer appearing between the long turns, it will also be polluted by dust, corrosives, sludge, etc. in the external environment. , seriously affecting the quality of power supply, there are potential safety hazards. In the substation installation, maintenance, etc., the new contact surface, the clamp contact surface, the contact overheating, and the contact maintenance need to be polished to reduce the contact resistance.
  • the outdoor isolation switch and the contact in the shut-off cabinet also need to be polished for the overheating of the joint.
  • the current maintenance process mainly uses steel brush for grinding, but for narrow space and high work, steel The brush is often restricted in use, and the grinding process is not in place, which affects the quality of the repair. With this traditional maintenance process, the work efficiency is low, the labor intensity of the workers is large, and the cleaning and polishing effects are poor. At the same time, for working in tight spaces and high places, hand-held steel brushes are often limited in use, and the grinding process is not in place, which affects the quality of maintenance.
  • the technical problem to be solved by the present invention is to provide an isolated cleaning contact cleaning electric brush, which relies on an electric driving tool to drive the cleaning brush to change from a linear motion to a rotary motion, which can effectively solve the operation in a narrow space and a high position. Restricted processing is not in place, which can greatly improve work efficiency and cleaning effect, reduce work intensity, and has a simple structure and convenient use.
  • the technical solution adopted by the present invention is: an isolating yoke contact cleaning electric brush, including a cleaning brush and an electric driving tool, the connecting shaft at the bottom of the cleaning brush and the front end clamping portion of the electric driving tool are detachable Mounted Connected.
  • the present invention is further provided with a flexible shaft, and the two ends of the flexible shaft are detachably connected to the electric drive tool clamping portion and the cleaning brush bottom end connecting shaft, respectively.
  • the electric drive tool is a rechargeable hand-held power tool.
  • the bottom of the handle of the electric drive tool is provided with an insulating rod, and the electric driving tool is screwed to the top of the insulating rod through the bottom sleeve of the handle.
  • the cleaning brush is made of a wire brush or a plastic fiber wire having a hardness lower than a silver plating layer on the surface of the contact.
  • the middle portion of the upper end of the cleaning brush head is provided with a fixing rod, and the bristles are uniformly distributed along the circumference of the fixing rod.
  • the beneficial effects produced by the above technical solution are as follows:
  • the invention is provided with an electric driving tool at the bottom end of the cleaning brush, and the electric driving tool is driven to change the cleaning brush from a single linear motion to a universal full-angle rotary motion. Therefore, the problem that the steel brush is not used in the narrow space such as the shut-off cabinet and the cable trench is solved, and the electric driving tool has a large rotating torque and the rotating speed is evenly adjustable, which can greatly improve the working efficiency and the cleaning and polishing effect. Reduce the intensity of work.
  • the cleaning brush is made of plastic fiber with a hardness lower than that of the silver surface of the contact surface and is a detachable structure.
  • the power can be hand-held by the operator, or the insulating rod can be connected to the lower end of the electric driving tool. The operator can stand on the ground for high-altitude operation without climbing, reduce labor intensity and prevent safety hazards.
  • the invention has the advantages of simple structure, convenient use, greatly shortening the cleaning time and prolonging the service life of the contact, and can be applied to operations such as substation maintenance, installation and daily maintenance, and has good promotion value.
  • FIG. 1 is a schematic structural view of an embodiment of the present invention.
  • FIG. 2 is a schematic structural view of another embodiment of the present invention.
  • an isolating stalk contact cleaning electric brush includes a cleaning brush 1, the cleaning brush 1 has a circular brush head, and bristles are arranged on the upper end surface of the brush head, and the bristles are brushed with a wire brush or It is made of plastic fiber with a hardness lower than the silver plating layer on the surface of the contact. After cleaning or grinding the insulating contact, it can prevent the silver plating on the surface from being damaged and prolong the service life of the contact.
  • the electric drive tool 3 is also a rechargeable hand-held power tool. For example, a rechargeable hand-held electric drill or a rechargeable hand-held grinder can be used, and the motor is driven to drive the cleaning brush 1 into a single linear motion.
  • Universal full-angle rotary motion which solves the problem of inhomogeneous treatment caused by limited use in narrow spaces such as cabinets and cable trenches.
  • the rotating torque is large and the rotational speed is evenly adjustable, which can improve work efficiency and clean and polish.
  • the effect is to reduce the work intensity and make it easy to use. It can be used for more than 20 hours on a single charge.
  • the connecting shaft 2 of the bottom of the cleaning brush 1 is detachably connected with the front end clamping portion of the electric driving tool 3, and a plurality of cleaning brushes 1 can be replaced to apply for multiple models and multiple voltage levels.
  • the bottom of the handle of the electric driving tool 3 is provided with an insulating rod 5, and the electric driving tool 3 is screwed to the top of the insulating rod 5 through the bottom sleeve 6 of the handle. Operators stand on the ground for high-altitude operations, do not need to climb, reduce labor intensity, and prevent safety hazards.
  • Embodiment 2 the difference between Embodiment 2 and Embodiment 1 is that: a flexible shaft 4 is further provided, and the two ends of the flexible shaft 4 are respectively connected with the clamping portion of the electric driving tool 3 and the bottom end of the cleaning brush 1 Disassemble the connection.
  • One end of the flexible shaft 4 is provided with a male connector connected to the clamping portion of the electric driving tool 2, and the other end is provided with a female connector connected to the bottom connecting shaft 2 of the cleaning brush 1, and the cleaning brush is driven by the electric driving tool 3 via the flexible shaft 4. 1 Rotation, the torque transmission through the flexible shaft is small, and the rotation of the cleaning brush 1 in all directions can be achieved.
  • the cleaning brush 1 is provided with a fixing rod 7 in the middle of the upper end of the brush head, and the bristles are uniformly distributed along the circumference of the fixing rod 7.
  • the bristles are made of plastic fiber with a hardness lower than that of the silver surface of the contact surface, and are suitable for the cabinet and cable.
  • the isolation contacts in a narrow space such as a ditch are cleaned.

Landscapes

  • Cleaning In General (AREA)
  • Brushes (AREA)

Abstract

一种隔离开关触头清洁电动刷，涉及电力系统变电设备安装、维护装置技术领域。包括清洁刷（1）和电动驱动工具（3），所述清洁刷（1）的底部的连接轴（2）与电动驱动工具（3）前端夹紧部可拆装式连接。电动驱动工具带动清洁刷由直线运动变换为旋转运动，可有效地提高在狭小空间以及高处作业时的工作效率和清理效果、降低作业强度，结构简单、使用方便。

Description

说明书 发明名称：隔离幵关触头清洁电动刷 技术领域
[0001] 本发明涉及一种电力系统变电设备安装、 维护装置技术领域。
背景技术
[0002] 隔离幵关是高压幵关电器中使用最多的一种电器， 由于使用量大， 工作可靠性 要求高， 对变电所、 电厂的设计、 建立和安全运行等都有较大的影响， 因此， 隔离幵关的运行和维护至关重要， 将直接影响供电的可靠性。 室外用隔离幵关 以及幵关柜内隔离幵关的触头， 由于长吋间使用会出现氧化层， 也会受到外部 环境中灰尘、 腐蚀物、 油泥等污染， 操作合闸运行易发生过热现象， 严重影响 供电质量， 存在安全隐患。 在变电安装、 检修等作业中， 新幵关接触面、 线夹 接触面、 触头过热、 触头维护都需要对接触面进行打磨， 以减小接触电阻。
[0003] 室外用隔离幵关以及幵关柜内隔离幵关的触头对于接头过热的情况也需要打磨 处理， 当前检修工艺主要使用钢刷进行打磨处理， 但是对于狭小空间以及高处 作业， 钢刷往往使用受限， 会出现打磨处理不到位情况， 影响检修质量。 采用 这种传统的维护工艺， 工作效率低， 作业人员劳动强度大， 清理及打磨效果差 。 同吋， 对于在狭小空间及高处进行作业吋， 手持钢刷往往使用受限， 会出现 打磨处理不到位情况， 影响检修质量。
技术问题
[0004] 本发明要解决的技术问题是提供一种隔离幵关触头清洁电动刷， 依靠电动驱动 工具， 带动清洁刷由直线运动变换为旋转运动， 可有效解决在狭小空间以及高 处作业使用受限而造成的处理不到位问题， 能够大大提高工作效率和清理效果 、 降低作业强度， 结构简单、 使用方便。
问题的解决方案
技术解决方案
[0005] 本发明所采取的技术方案是： 一种隔离幵关触头清洁电动刷， 包括清洁刷和电 动驱动工具， 所述清洁刷的底部的连接轴与电动驱动工具前端夹紧部可拆装式 连接。
[0006] 本发明还设有软轴， 软轴两端分别与电动驱动工具夹紧部和清洁刷底端连接轴 可拆装式连接。
[0007] 所述电动驱动工具为充电式手持电动工具。
[0008] 所述电动驱动工具手柄底部设有绝缘杆， 电动驱动工具通过手柄底部套管与绝 缘杆顶部螺纹连接。
[0009] 所述清洁刷采用钢丝刷或硬度低于触头表面镀银层的塑料纤维丝制成。
[0010] 所述清洁刷刷头上端中部设有固定杆， 沿固定杆圆周均布刷毛。
[0011] 采用上述技术方案所产生的有益效果在于： 本发明在清洁刷底端设有电动驱动 工具， 依靠电动驱动工具， 带动清洁刷由单一的直线运动变换为万向的全角度 旋转运动， 从而解决钢刷在幵关柜、 电缆沟等狭小空间内使用受限而造成的处 理不到位问题， 电动驱动工具旋转扭距大， 转速均匀可调， 能够大大提高工作 效率和清理、 打磨效果， 降低作业强度。 清洁刷采用硬度低于触头表面镀银层 的塑料纤维丝制成且为可拆装式结构， 不会破坏触头表面镀银层， 延长触头使 用寿命， 可更换多种清洁刷， 以适用多型号、 多电压等级隔离幵关。 在满足所 有工况的情况下可停电由作业人员手持作业， 也可在电动驱动工具下端连接绝 缘杆， 作业人员站在地上进行高空作业， 不需攀爬， 降低劳动强度， 防范安全 隐患。
发明的有益效果
有益效果
[0012] 本发明结构简单、 使用方便、 大大缩短清理吋间， 延长触头的使用寿命， 可适 用于变电检修、 安装及日常维护等作业， 具有良好的推广价值。
对附图的简要说明
附图说明
[0013] 下面结合附图和具体实施方式对本发明作进一步详细的说明。
[0014] 图 1是本发明一个实施例的结构示意图。
[0015] 图 2是本发明另一个实施例的结构示意图。
[0016] 图中， 1.清洁刷， 2.连接轴， 3.电动驱动工具， 4.软轴， 5.绝缘杆， 6.套管， 7.固 定杆。 具体实施方式
[0017] 实施例 1 :
[0018] 参加附图 1， 一种隔离幵关触头清洁电动刷， 包括清洁刷 1， 所述清洁刷 1刷头 为圆形， 在刷头上端面均布有刷毛， 刷毛采用钢丝刷或硬度低于触头表面镀银 层的塑料纤维丝制成， 在进行清理或打磨隔离幵关触头吋可防止对其表面镀银 层进行破坏， 延长触头的使用寿命。 还包括电动驱动工具 3， 所述电动驱动工具 3为充电式手持电动工具， 例如可采用充电式手持电钻或者充电式手持打磨机等 ， 采用电机驱动， 带动清洁刷 1由单一的直线运动变换为万向的全角度旋转运动 ， 从而解决在幵关柜、 电缆沟等狭小空间内使用受限而造成的处理不到位问题 ， 旋转扭距大， 转速均匀可调， 能够提高工作效率和清理、 打磨效果， 降低作 业强度， 使用便捷， 一次充电可使用 20个小吋以上。
[0019] 所述清洁刷 1的底部的连接轴 2与电动驱动工具 3前端夹紧部可拆装式连接， 可 更换多种清洁刷 1， 以适用多型号、 多电压等级隔离幵关。
[0020] 所述电动驱动工具 3手柄底部设有绝缘杆 5， 电动驱动工具 3通过手柄底部套管 6 与绝缘杆 5顶部螺纹连接。 作业人员站在地上进行高空作业， 不需攀爬， 降低劳 动强度， 防范安全隐患。
[0021] 参见附图 2， 实施例 2与实施例 1的区别在于： 还设有软轴 4， 软轴 4两端分别与 电动驱动工具 3夹紧部和清洁刷 1底端连接轴 2可拆装连接。 软轴 4一端设有与电 动驱动工具 2夹紧部连接的公连接头， 另一端设有与清洁刷 1底部连接轴 2连接的 母连接头， 通过电动驱动工具 3经软轴 4带动清洁刷 1转动， 扭距通过软轴传递损 失小， 可实现清洁刷 1各个方向的转动。 所述清洁刷 1刷头上端中部设有固定杆 7 ， 沿固定杆 7圆周均布刷毛， 刷毛采用硬度低于触头表面镀银层的塑料纤维丝制 成， 适用于对幵关柜、 电缆沟等狭小空间内的隔离幵关触头进行清理作业。

Claims

权利要求书
一种隔离幵关触头清洁电动刷， 包括清洁刷 （1) 和电动驱动工具 (3) ， 其特征在于： 所述清洁刷 （1) 的底部的连接轴 （2) 与电 动驱动工具 （3) 前端夹紧部可拆装式连接。
根据权利要求 1所述的隔离幵关触头清洁电动刷， 其特征在于： 还设有软轴 （4) ， 软轴 （4) 两端分别与电动驱动工具 （3) 夹紧 部和清洁刷 （1) 底端连接轴 （2) 可拆装式连接。
根据权利要求 1所述的隔离幵关触头清洁电动刷， 其特征在于： 所 述电动驱动工具 （3) 为充电式手持电动工具。
根据权利要求 3所述的隔离幵关触头清洁电动刷， 其特征在于： 所 述电动驱动工具 （3) 手柄底部设有绝缘杆 （5) ， 电动驱动工具 (3) 通过手柄底部套管 （6) 与绝缘杆 （5) 顶部螺纹连接。 根据权利要求 1所述的隔离幵关触头清洁电动刷， 其特征在于： 所 述清洁刷 （1) 采用钢丝刷或硬度低于触头表面镀银层的塑料纤维 丝制成。
根据权利要求 5所述的隔离幵关触头清洁电动刷， 其特征在于： 所 述清洁刷 （1) 刷头上端中部设有固定杆 （7) ， 沿固定杆 （7) 圆 周均布刷毛。
PCT/CN2014/092489 2013-11-29 2014-11-28 隔离开关触头清洁电动刷 WO2015078411A1 (zh)

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