CN210838891U

CN210838891U - Down conductor windage yaw prevention fixing mechanism

Info

Publication number: CN210838891U
Application number: CN201921459555.7U
Authority: CN
Inventors: 叶志伦; 崔小勃
Original assignee: Guangdong Aibo Electric Power Design Institute Group Co ltd
Current assignee: Guangdong Aibo Electric Power Design Institute Group Co ltd
Priority date: 2019-09-03
Filing date: 2019-09-03
Publication date: 2020-06-23
Anticipated expiration: 2029-09-03

Abstract

The utility model discloses a downlead windage yaw fixed establishment, it includes at least one fixed establishment body, the fixed establishment body includes the end pillar and the post insulator of wire jumper, ground connection, the post insulator is installed on the top of end pillar, the one end and the top of post insulator of wire jumper are connected, the other end and the downlead of wire jumper are connected. The utility model discloses a fix the one end of wire jumper on the downlead to fix the other end of wire jumper on post insulator, make the wire jumper form restraint and spacing to the downlead, thereby restricted the windage yaw of downlead, avoid the downlead because of the alternate short circuit that the windage causes or with other metal framework between the ground connection short circuit, guaranteed the normal operating of downlead effectively. The utility model discloses the installation is simple, and is firm reliable, and the power off time is short.

Description

Down conductor windage yaw prevention fixing mechanism

Technical Field

The utility model relates to a prevent wind partially fixed establishment among the electric power tech field, especially a downlead prevent wind partially fixed establishment.

Background

The high-voltage bus of the high-voltage transformer substation has the height of tens of meters to twenty meters, and the down lead is also dozens of meters long. Under the action of natural disasters such as strong wind, the down lead is too long and lacks of a necessary fixing mechanism, and the down lead can irregularly swing along with the strong wind, so that the accidents of interphase short circuit of the down lead of the high-voltage transformer substation or grounding short circuit of the down lead to a door-shaped frame are caused, and the safe operation and the economic loss of the high-voltage transformer substation are influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a downlead windage yaw fixed establishment, it can avoid because of the downlead windage short circuit partially.

The utility model provides a solution of its technical problem is: the utility model provides a downlead windage yaw fixed establishment, its includes at least one fixed establishment body, the fixed establishment body includes the bottom pillar and the post insulator of wire jumper, ground connection, the post insulator is installed on the top of bottom pillar, the one end of wire jumper is connected with the top of post insulator, the other end and the downlead of wire jumper are connected.

As a further improvement of the above technical scheme, the post insulator is fixed on the bottom pillar through the mount pad, the mount pad includes end steel sheet, top steel sheet and two channel-section steels, end steel sheet is fixed on the top face of bottom pillar, and two channel-section steel openings just fix side by side on end steel sheet up, top steel sheet covers two channel-section steels, be equipped with a plurality of through-holes on the top steel sheet, the base of post insulator passes through the bolt fastening on top steel sheet.

As a further improvement of the above technical solution, the bottom pillar is provided with a grounding structure, the grounding structure comprises at least one section of upper grounding lead and at least one section of lower grounding lead, one end of the upper grounding lead is fixedly connected with the top steel plate, the other end of the upper grounding lead is fixed on the upper portion of the bottom pillar through a bolt, one end of the lower grounding lead is fixed on the lower portion of the bottom pillar through a bolt, and the other end of the lower grounding lead is grounded.

As a further improvement of the technical scheme, one end of the jumper is fixed at the top end of the post insulator through a soft bus fixing wire clamp, and the other end of the jumper is connected with the down lead through a T-shaped wire clamp.

As a further improvement of the technical scheme, an included angle between a connecting line at two ends of the jumper and the horizontal direction is 40-60 degrees.

As a further improvement of the above technical solution, the number of the fixing mechanism bodies is more than three, and the fixing mechanism bodies are distributed at intervals along a straight line.

The utility model has the advantages that: the utility model discloses a fix the one end of wire jumper on the downlead to fix the other end of wire jumper on post insulator, make the wire jumper form restraint and spacing to the downlead, thereby restricted the windage yaw of downlead, avoid the downlead because of the alternate short circuit that the windage causes or with other metal framework between the ground connection short circuit, guaranteed the normal operating of downlead effectively. The utility model discloses the installation is simple, and is firm reliable, and the power off time is short.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

Fig. 1 is a front view of the present invention;

FIG. 2 is a schematic view of the mounting of the post insulator on the bottom post of the present invention;

fig. 3 is a left side view of the present invention.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions.

Referring to fig. 1 to 3, the downer windage yaw prevention fixing mechanism includes at least one fixing mechanism body, the fixing mechanism body includes a jumper wire 8, a grounded bottom pillar 5 and a post insulator 1, the post insulator 1 is installed on the top end of the bottom pillar 5, one end of the jumper wire 8 is connected to the top end of the post insulator 1, and the other end of the jumper wire 8 is connected to a downer 10. Preferably, the jumper 8 may be an aluminum conductor steel reinforced, and the bottom pillar 5 is a steel pillar. The jumper wire 8 plays the role of restraining and limiting the down lead 10. In strong wind weather, the down conductor 10 is dragged by the jumper wire 8, so that left and right deviation is reduced, and short circuit caused by contacting the down conductor 10 on the side is avoided. The bottom pillar 5 of the grounding ensures the use safety of the utility model.

Further as preferred embodiment, post insulator 1 passes through the mount pad to be fixed on end pillar 5, and the mount pad includes end steel sheet 3, top steel sheet and two channel-section steels 2, and end steel sheet 3 is fixed on end pillar 5's top face, and two channel-section steels 2 openings are up and fix on end steel sheet 3 side by side, and two channel-section steels 2 are covered to the top steel sheet, are equipped with a plurality of through-holes on the top steel sheet, and the base of post insulator 1 passes through the bolt fastening on the top steel sheet. When the installation, weld end steel sheet 3 on the top surface of pillar 5 to end earlier, then weld two channel-section steel 2 side by side on end steel sheet 3, weld the top steel sheet on two channel-section steels 2 again. A plurality of bolts respectively penetrate through the mounting holes in the bottom of the post insulator 1 and the through holes in the top steel plate in sequence, and a plurality of nuts are mounted on the bottom surface of the top steel plate and respectively fasten the bolts.

Further as a preferred embodiment, a grounding structure is arranged on the bottom pillar 5, the grounding structure comprises at least one section of upper grounding lead 4 and at least one section of lower grounding lead 6, one end of the upper grounding lead 4 is fixedly connected with the top steel plate, the other end of the upper grounding lead 4 is fixed on the upper portion of the bottom pillar 5 through a bolt, one end of the lower grounding lead 6 is fixed on the lower portion of the bottom pillar 5 through a bolt, and the other end of the lower grounding lead 6 is grounded. Preferably, the upper end of the upper grounding lead 4 is welded between the ejector plate and the base of the post insulator 1, the upper grounding lead 4 naturally hangs down, contacts with the edges of the channel steel 2 and the bottom steel plate 3, and is finally fixed on the bottom post 5 through bolts. The upper ground lead 4 and the lower ground lead 6 collectively ground the metal bottom pillar 5 and the mount.

In a further preferred embodiment, one end of the jumper wire 8 is fixed to the top end of the post insulator 1 by a flexible bus bar fixing clip 7, and the other end of the jumper wire 8 is connected to the down conductor 10 by a T-shaped clip 9.

Further as a preferred embodiment, an included angle between a connecting line at two ends of the jumper wire 8 and the horizontal direction is 40-60 degrees, so that a better fixing effect is achieved on the down lead.

Further, as a preferred embodiment, a single fixing mechanism body is used for fixing one down conductor 10, when the number of the fixing mechanism bodies is three or more, the fixing mechanism bodies are distributed at intervals along a straight line, and the interval between the fixing mechanism bodies is equal to the interval between the down conductors 10.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims

1. The utility model provides a downlead windage yaw fixed establishment which characterized in that: including at least one fixed establishment body, the fixed establishment body includes bottom pillar (5) and post insulator (1) of wire jumper (8), ground connection, install on the top of bottom pillar (5) post insulator (1), the one end of wire jumper (8) is connected with the top of post insulator (1), the other end and the downlead (10) of wire jumper (8) are connected.

2. The downlead windage yaw prevention securing mechanism of claim 1, characterized in that: post insulator (1) is fixed on end pillar (5) through the mount pad, the mount pad includes end steel sheet (3), top steel sheet and two channel-section steel (2), end steel sheet (3) are fixed on the top face of end pillar (5), and two channel-section steel (2) openings just fix side by side on end steel sheet (3), the top steel sheet covers two channel-section steels (2), be equipped with a plurality of through-holes on the top steel sheet, the base of post insulator (1) passes through the bolt fastening on the top steel sheet.

3. The downlead windage yaw prevention securing mechanism of claim 2, characterized in that: be equipped with ground structure on end pillar (5), ground structure includes ground lead (4) and at least one section ground lead (6) down on at least one section, go up the one end and the ejector steel sheet rigid coupling of ground lead (4), go up the upper portion that the bolt was fixed at end pillar (5) through the other end of ground lead (4), the one end of ground lead (6) is passed through the bolt fastening and is in the lower part of end pillar (5) down, the other end ground connection of ground lead (6) down.

4. The downlead windage yaw prevention securing mechanism of claim 1, characterized in that: one end of the jumper wire (8) is fixed at the top end of the post insulator (1) through a soft bus fixing wire clamp (7), and the other end of the jumper wire (8) is connected with a down lead (10) through a T-shaped wire clamp (9).

5. The downlead windage yaw prevention securing mechanism of claim 1, characterized in that: the included angle between the connecting line at the two ends of the jumper (8) and the horizontal direction is 40-60 degrees.

6. The downlead windage yaw prevention securing mechanism of claim 1, characterized in that: the number of the fixing mechanism bodies is more than three, and the fixing mechanism bodies are distributed at intervals along a straight line.