CN204012601U - The rotatable card line apparatus of transmission line short-circuit grounding wire insulating rod - Google Patents

Abstract

The utility model relates to a rotatable clamping device for an insulating rod of a short-circuit grounding wire of a power transmission line, which comprises an insulating rod and a metal clamping joint. The clamping joint is a U-shaped structure, one of the opening ends of the U-shaped structure has a pin hole, and the metal clamping joint is connected to the connecting plate through a pin shaft, and a limiting plate is fixed above the pin hole of the connecting plate. When passing through the pole tower, the open end of the U-shaped structure of the metal clip connector is downward, and the insulating rod is held in hand, and the metal clip is clamped vertically downward to the wire. If the grounding wire is hung on the tension pole tower, the metal clamping joint is rotated 90 degrees around the pin shaft, so that the metal clamping joint is perpendicular to the insulating rod, and the grounding wire can be easily hung. The utility model can meet the requirement of hanging the grounding wire on the tension pole tower and the line passing pole tower, is easy to operate, can not only reduce labor intensity of personnel, but also ensure safe production of personnel.

Description

Transmission line short-circuit grounding wire insulation rod rotatable clamping device

technical field

The utility model relates to a power transmission line inspection and maintenance device, in particular to a rotatable clamping device for a short-circuit ground wire insulation rod of a power transmission line.

Background technique

When the transmission line is out of power for maintenance, the safety measures for the staff to enter the site are power inspection and grounding. The ground wire refers to a portable short-circuit ground wire. The installation of the short-circuit ground wire is divided into two steps—the first step is to fix the annealed copper wire end on a well-grounded pole and tower component; the second step is to hold the connection The insulating rod of the annealed copper wire uses the metal head on the upper end of the insulating rod to clamp the wire on the power side to achieve the purpose of short-circuit and sudden power supply. When the existing metal chuck is stuck on the wire, due to the lack of elasticity of the chuck clip, it is easy to detach from the wire, thereby bringing safety hazards to the maintenance work. When encountering a tension pole tower, since the direction of the metal clip joint is parallel to the direction of the insulating rod, personnel need to climb out of the insulator string to hang it, which is labor-intensive and has potential safety hazards for personnel.

Contents of the invention

The technical problem to be solved by the utility model is to provide a rotatable clamping device for the insulating rod of the short-circuited grounding wire of the transmission line, which is suitable for hanging the grounding wire on the tension-resistant tower and the wire-passing tower.

For solving above technical problem, the technical scheme that the utility model adopts is:

A rotatable clamping device for insulating rods of short-circuited grounding wires of transmission lines, including insulating rods and metal clamping joints, one end of the insulating rods is fixed with an aluminum alloy connecting plate, a pin hole is opened in the middle of the connecting plate, and the metal clamping joint is a U One of the opening ends of the U-shaped structure has a pin hole, and the metal clip joint is connected to the connecting plate through the pin shaft, and a limiting plate is fixed above the pin hole of the connecting plate.

When encountering a pole and tower, the opening end of the U-shaped structure of the metal clip joint is downward, and the insulating rod is held in hand, and the metal clip is clamped vertically downward to the wire, and the end of the insulating rod is fixed to the cross arm of the pole and tower. If the grounding wire is hung on the tension pole tower, the metal clamping joint is rotated 90 degrees around the pin shaft, so that the metal clamping joint is perpendicular to the insulating rod, and under the action of the limit plate so that it cannot continue to rotate, the grounding can be easily completed The hanging of the line, and the end of the insulating rod and the cross arm of the tower are fixed.

As a preferred solution, two arc-shaped strip structures are symmetrically fixed on the inner wall of the U-shaped structure of the metal clip joint to form a clip clip.

The rotatable clamping device of the short-circuit grounding wire insulation rod of the transmission line described in the utility model can rotate around the pin shaft, and can meet the requirements for hanging the grounding wire on the tension-resistant pole tower and the line-passing pole tower. It is easy to operate and can reduce labor. , but also to ensure personnel safety in production.

Description of drawings

Fig. 1 is the structural representation of the utility model.

In the figure, 1-insulating rod, 2-metal clip connector, 3-connecting plate, 4-pin shaft, 5-clamp clip.

Detailed ways

In order to enable those skilled in the art to better understand the utility model, the utility model will be further clearly and completely described below in conjunction with the accompanying drawings.

As shown in Figure 1, the utility model provides a rotatable clamping device for the insulating rod of the short-circuit grounding wire of the transmission line, which includes an insulating rod 1 and a metal clamping joint 2, and one end of the insulating rod 1 is fixed with an aluminum alloy connecting plate 3 , the middle part of the connection plate 3 is provided with a pin hole, and the metal clip joint 2 is a U-shaped structure, and one of the ends of the open end of the U-shaped structure is provided with a pin hole, and the metal clip joint and the connection plate are connected through the pin shaft 4, and the connection plate A spacer plate 5 is fixed above the pin hole of 3.

The insulating rod 1 and the metal clip joint 2 adopt a split structure and can rotate around a pin shaft. After the metal clip joint 2 turns over 90 degrees, it is limited by the limit plate 5 .

On the basis of the above structure, two arc-shaped strip structures are symmetrically fixed on the inner wall of the U-shaped structure of the metal clip joint 2 to form a clip 6 . The clip clip 6 is made of elastic material, which can clamp the wire tightly to prevent it from coming off.

The protection scope of the utility model is not limited to the above specific embodiments. For those skilled in the art, the utility model can have multiple deformations and changes, and any modifications and improvements made within the concept and principles of the utility model and equivalent replacements should be included within the protection scope of the present utility model.

Claims (2)

1. the rotatable card line apparatus of transmission line short-circuit grounding wire insulating rod, comprise insulating rod (1) and metal card joint (2), it is characterized in that: an aluminium alloy connecting plate (3) is fixed in described insulating rod (1) one end, the middle part of connecting plate (3) has pin-and-hole, metal card joint (2) is U-shaped structure, one of them end of the openend of U-shaped structure has pin-and-hole, by bearing pin (4), metal card joint is connected with connecting plate, the pin-and-hole top of connecting plate (3) is fixed with a limiting plate (5).

2. the rotatable card line apparatus of transmission line short-circuit grounding wire insulating rod according to claim 1, is characterized in that: on the U-shaped inner structural wall of metal card joint (2), be fixed with symmetrically two arc list structures and form dop folder (6).