Portable polishing tool used for live-line work of overhead cable
A technology for live working and grinding tools, which is applied in the direction of overhead lines/cable equipment, etc., to achieve the effects of convenient work, improved power supply reliability, service to the society, and improved applicability
Inactive Publication Date: 2016-04-06
CHINA THREE GORGES UNIV
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Problems solved by technology
When the high-voltage lead cable is lapped, the operator first uses a professional stripping tool to trim the cable insulation layer. When removing the cable insulation layer, large or small burrs will be generated. The working principle of the traditional operation method is to use the middle potential operation, that is, The staff wear insulating protective equipment to directly polish the cables on the insulated bucket arm truck. During the operation, the staff needs to touch the live parts many times, and the distance between the live workers and the wires is almost zero.
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[0015] Such as figure 1 As shown, a portable grinding tool for overhead cable live work, including a cylindrical hollow shaft 1, a metal rod head 2, the metal rod head 2 is sleeved on the top of the hollow shaft 1, and the two sides of the metal rod head 2 are respectively The first U-shaped metal grinding piece 3 and the second U-shaped metal grinding piece 4 are fixedly connected, and the U-shaped opening of the first U-shaped metal grinding piece 3 is larger than the second U-shaped metal grinding piece 4 . A plurality of semi-spherical protrusions are evenly distributed on the inner surfaces of the first U-shaped metal grinding piece 3 and the second U-shaped metal grinding piece 4 . The diameter of the hemispherical protrusions distributed on the inner surface of the first U-shaped metal grinding part 3 is relatively large for rough grinding; the diameter of the hemispherical protrusions distributed on the inner surface of the second U-shaped metal grinding part 4 is smal...
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Provided is a portable polishing tool used for live-line work of an overhead cable. The portable polishing tool comprises a cylindrical hollow rod body and a metal rod head, wherein the metal rod head sleeves the top end of the hollow rod body. A first U-shaped metal polishing piece and a second U-shaped metal polishing piece are fixedly connected to the two sides of the metal rod head respectively, and the U-shaped opening of the first U-shaped metal polishing piece is larger than that of the second U-shaped metal polishing piece. Multiple hemispherical projections are uniformly distributed on the inner surfaces of the first and second U-shaped metal polishing pieces. The hemispherical projections distributed on the inner surface of the first U-shaped metal polishing piece are larger in diameter and used for rough polishing; and the hemispherical projections distributed on the inner surface of the second U-shaped metal polishing piece are smaller in diameter and used for fine polishing. The portable polishing tool used for live-line work of the overhead cable increases safe distance of workers, and improves the safety of live-line work; and meanwhile, the tool is simple in structure, flexible and convenient to use and high in the efficiency of live-line work.
Description
technical field [0001] The invention relates to the field of tools for live work on high-voltage transmission lines, in particular to a portable grinding tool for live work on overhead cables. Background technique [0002] With the acceleration of the urban power grid cable process, the safe operation of power cable lines is the key to ensuring the reliability of power supply. Due to sudden faults in the operation of cable lines, it takes a long time to detect and repair the faults under the condition of complete power failure of the cable lines, and it is difficult to effectively control the time to restore power supply, which eventually leads to long power outages and a decline in the reliability of power grid power supply. Therefore, a set of temporary live work bypass system is constructed to ensure that the cable line in the fault section can safely and quickly complete the emergency repair work under the uninterrupted power supply state, and at the same time maintain u...
Claims
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IPC IPC(8): H02G1/02
Inventor朱建雄唐波瞿子航黄颖
OwnerCHINA THREE GORGES UNIV