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Lightning arrester live-line test dolly

A live test and lightning arrester technology, which is applied in the direction of instruments, measuring electricity, motor vehicles, etc., can solve the problem of unstable contact between the lightning arrester and the test line, and achieve the effect of reducing the workload

Pending Publication Date: 2021-03-19
BINZHOU POWER SUPPLY COMPANY OF STATE GRID SHANDONG ELECTRIC POWER +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to propose and design a lightning arrester electrified test trolley, aiming at the defect of unstable contact between the arrester and the test line in the prior art, to solve the above-mentioned technical problems. Make a stable connection with the arrester tester

Method used

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  • Lightning arrester live-line test dolly
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Embodiment Construction

[0018] In order to make the purpose, features and advantages of the present invention more obvious and understandable, the technical solutions in the present invention will be clearly and completely described below in conjunction with the accompanying drawings in this specific embodiment. Obviously, the implementation described below Examples are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in this patent, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this patent.

[0019] As shown in the figure, a kind of lightning arrester belt point test car of the present invention includes a vehicle frame 3, and three mechanical arms are arranged side by side on the vehicle frame 3, and the described mechanical arms include a base 7 installed on the vehicle frame 3, A supporting rod-8 is installed on the base 7, and a bearing is arranged between the su...

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Abstract

The invention designs a lightning arrester live-line test trolley which comprises a frame, three mechanical arms of the same structure are arranged on the frame, each mechanical arm comprises a base fixedly installed on the frame, the base is rotatably connected with one end of a first supporting rod, and the other end of the first supporting rod is hinged to one end of a second supporting rod. Anair cylinder is installed at the other end of the second supporting rod, a piston of the air cylinder is connected with the first connecting rod, the first connecting rod is hinged to second connecting rods on the two sides, the second connecting rods on the two sides are hinged to the middles of clamp arms on the two sides respectively, the clamp arms are hinged to a supporting frame, and the supporting frame is fixed to the second supporting rod. The three-phase wiring clamp of the lightning arrester tester is respectively clamped on the three clamp arms on the frame, the trolley drives theclamp arms to be close to the lightning arrester, and controls the clamp arms to stably clamp the lightning arrester counter, thereby ensuring that no contact point disconnection occurs in the measurement process, and improving the stability and safety of operation.

Description

technical field [0001] The invention relates to the field of lightning arrester testing. In particular, it relates to a charging test trolley for lightning arresters. Background technique [0002] Zinc oxide surge arresters are prone to malfunction due to valve aging and damp during operation, and may explode in severe cases, affecting the safe operation of the system. Since the main equipment must be shut down during the preventive test of the zinc oxide arrester, it will affect the reliable operation of the power grid, and sometimes the main equipment cannot be shut down due to the limitation of the operation mode, resulting in the failure of the zinc oxide arrester to be tested on time. Therefore, it is extremely necessary to carry out live test of arrester. [0003] At the scene where the resistive current component of the arrester is tested under live conditions, according to the instructions of the arrester test guide, in order to ensure the safety of the staff, the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R1/02G01R1/04G01R19/00B62D63/02B62D63/04B08B1/00
CPCG01R1/02G01R1/0425G01R19/0092B62D63/02B62D63/04B08B1/12
Inventor 张健刘勇张煜卢伟民陈翼卞法刚李尊华
Owner BINZHOU POWER SUPPLY COMPANY OF STATE GRID SHANDONG ELECTRIC POWER
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