CN214505157U

CN214505157U - Suspension insulator with windage yaw prevention function

Info

Publication number: CN214505157U
Application number: CN202120780936.6U
Authority: CN
Inventors: 季璇
Original assignee: Nantong Power Supply Co Of State Grid Jiangsu Electric Power Co; Nantong Tongming Group Co ltd
Current assignee: Nantong Power Supply Co Of State Grid Jiangsu Electric Power Co; Nantong Tongming Group Co ltd; Nantong Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-10-26
Anticipated expiration: 2031-04-16

Abstract

The utility model discloses a suspension insulator with prevent wind inclined to one side function should hang the insulator and include fixed cross arm, fixed plug and insulating terminal, the lower extreme of fixed cross arm has a plurality of internal thread holes, the side of fixed plug has the external screw thread, and the external screw thread of this fixed plug is fixed in the internal thread hole of cross arm, insulating terminal includes dwang and porcelain insulator, porcelain insulator installs on the dwang, and the inside of dwang has the through-hole, and this through-hole is installed on fixed plug, fixation nut is equipped with on the fixed plug at both ends about porcelain insulator. The suspension insulator with the structure solves the problem that the existing suspension insulator string is easy to have windage yaw when being influenced by strong wind.

Description

Suspension insulator with windage yaw prevention function

Technical Field

The utility model belongs to the technical field of electric power, a suspension insulator with prevent wind partially function is related to.

Background

In recent years, with the frequent occurrence of strong convection weather, the windage yaw flashover accident of a power transmission line is increasingly prominent. The most essential reason for windage yaw discharge of a power transmission line is that due to the fact that the air gap distance between the conducting wires on the power transmission line is reduced under various external adverse conditions, breakdown discharge occurs when the electrical strength of the gap distance cannot withstand the highest operating voltage of the system. At present, a great deal of research work is carried out on the aspects of a calculation model of wind deflection, a design and calculation method of a wind deflection angle and wind parameter basic research in the research on wind deflection faults of a power transmission line at home and abroad, but the control mode is too complicated, and other problems are easy to generate in the actual use process.

In order to prevent the electric transmission line from generating windage yaw flashover, the main measures which can be taken at present include refining the value of the designed wind speed, increasing a heavy hammer under a suspension clamp of a tangent tower, adopting a V-shaped suspension insulator string, increasing the vertical span and the like, and the measures inhibit the windage yaw flashover of the insulator string to a certain extent, but the effect is not ideal.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model relates to a suspension insulator with prevent wind partially function has solved current suspension insulator chain and has easily taken place the problem that the wind is partially when receiving the strong wind influence.

The utility model provides a suspension insulator with prevent windage yaw and antifouling sudden strain of a muscle, this suspension insulator include fixed cross arm, fixed plug and insulating terminal, the lower extreme of fixed cross arm has a plurality of internal thread holes, the side of fixed plug has the external screw thread, and the external screw thread of this fixed plug is fixed in the internal thread hole of cross arm, insulating terminal includes dwang and porcelain insulator, porcelain insulator installs on the dwang, and the inside of dwang has the through-hole, and this through-hole is installed on fixed plug, fixation nut is equipped with on the fixed plug at both ends about porcelain insulator.

Further the dwang is the cylinder body of rod, and inside has the through-hole, has the internal thread in this through-hole, to being connected with the external screw thread of fixed plug side.

Furthermore, the upper end of the rotating rod is provided with a rotating end, the side surface of the rotating end is hexagonal, and the rotating rod can be fixed on the fixed core rod through a wrench and other tools.

Further the lower extreme of dwang is equipped with the bed plate, has the fixed slot on this bed plate, installs porcelain insulator on the dwang through the fixed slot.

Further be swing joint between porcelain insulator and the dwang, make porcelain insulator can two-way rotation in the side of dwang.

Further be the through-hole in the porcelain insulator, this through-hole is installed on the cylindric body of rod of dwang, and the lower extreme of inside through-hole has fixed latch, fixed slot to the meshing on this fixed latch and the bed plate in the dwang.

Further porcelain insulator upper end has the stiff end, and the side of this stiff end has a plurality of slotted holes, can place the stock in this slotted hole, then rotates this porcelain insulator in the top of dwang, with overhead transmission line on porcelain insulator, makes overhead transmission line reach taut effect, then installs porcelain insulator on the stiff end, reaches fixed effect.

Further, the side face of the porcelain insulator is provided with a groove, the upper end of the groove is provided with a fixing hole, the overhead transmission line is installed through the fixing hole, and in the process of tensioning the overhead transmission line, redundant transmission lines can be fixedly wound in the groove in a rotating mode.

Drawings

Fig. 1 is a schematic view of the overall structure of a suspension insulator with windage yaw prevention function of the utility model;

fig. 2 is a schematic view of an insulated terminal structure of a suspension insulator with windage yaw prevention function according to the present invention;

fig. 3 is a schematic view of a structure of a transfer rod in a suspension insulator with windage yaw prevention function of the utility model;

fig. 4 is a schematic structural view of a porcelain insulator in a suspension insulator with windage yaw prevention function.

In the figure: 1. fixing the cross arm; 2. fixing the core rod; 3. an insulated terminal; 4. rotating the rod; 5. a porcelain insulator; 6. a rotating end; 7. a cylindrical rod body; 8. fixing grooves; 9. a base plate; 10. a fixed end; 11. fixing the latch; 12. and (5) fixing the nut.

Detailed Description

The following describes in detail a specific embodiment of a suspension insulator with windage yaw prevention function according to the present invention with reference to the accompanying drawings.

As shown in fig. 1, the utility model provides a suspension insulator with prevent windage yaw and antifouling sudden strain of a muscle, this suspension insulator include fixed cross arm 1, fixed plug 2 and insulating terminal 3, the lower extreme of fixed cross arm 1 has a plurality of internal thread holes, the side of fixed plug 2 has the external screw thread, and the external screw thread of this fixed plug 2 is fixed in the internal thread hole of cross arm, as shown in fig. 2, insulating terminal 3 includes dwang 4 and porcelain insulator 5, porcelain insulator 5 installs on dwang 4, and the inside of dwang 4 has the through-hole, and this through-hole is installed on fixed plug 2, fixing nut 12 is equipped with on the fixed plug 2 at both ends about porcelain insulator 5.

As shown in fig. 3, the pivot lever 4 is a cylindrical rod body 7 having a through hole therein, and the through hole has a female screw therein and is connected to a male screw on the side surface of the fixed plug 2.

According to the above, the upper end of the turning rod 4 has the turning end 6, and the side surface of the turning end 6 is hexagonal, so that the turning rod 4 can be fixed to the fixed core rod 2 by a tool such as a wrench.

According to the above, wherein the lower end of the turning rod 4 is provided with the seating plate 9, the seating plate 9 is provided with the fixing groove 8, and the porcelain insulator 5 is mounted on the turning rod 4 through the fixing groove 8.

As shown in fig. 4, the porcelain insulator 5 is movably connected to the rotating rod 4, so that the porcelain insulator 5 can rotate in two directions on the side surface of the rotating rod 4.

According to the above, wherein the porcelain insulator 5 is provided with a through hole therein, the through hole is installed on the cylindrical rod body of the rotating rod 4, the lower end of the inner through hole is provided with a fixed latch 11, and the fixed latch 11 is engaged with the fixed groove 8 on the base plate 9 in the rotating rod 4.

According to the above, wherein porcelain insulator 5 upper end has stiff end 10, and the side of this stiff end 10 has a plurality of slotted holes, can place the stock in this slotted hole, then rotate this porcelain insulator 5 in the top of dwang 4, with overhead transmission line on porcelain insulator 5, make overhead transmission line reach taut effect, then install porcelain insulator 5 on stiff end 10, reach fixed effect.

According to the above, the side face of the porcelain insulator 5 is provided with the groove, the upper end of the groove is provided with the fixing hole, the overhead transmission line is installed through the fixing hole, and in the process of tensioning the overhead transmission line, redundant transmission lines can be fixedly wound in the groove in a rotating mode.

The suspension insulator with windage yaw prevention and pollution flashover prevention has the following working principle: according to the actual installation situation, a female screw hole is selected at the lower end of the fixed cross arm 1, the fixed mandrel 2 is installed in the female screw, the insulated terminal 3 is installed on the fixed mandrel 2, and the upper and lower ends of the insulated terminal are fixed by the fixing nuts 12. One section of the power transmission line is installed in a fixing hole in the side face of the porcelain insulator 5, and the power transmission line is wound in the groove, so that the tensioning force of the power transmission line is improved, and the distance between the power transmission lines is reduced. After that, the porcelain insulator 5 is placed in the fixing groove 8 of the base plate 9, so that the porcelain insulator 5 is fixed on the rotating rod 4, the porcelain insulator 5 can be prevented from rotating on the rotating rod 4, the tension degree of the power transmission line is reduced, and the distance between the power transmission lines is increased. And the distance between the insulating terminals 3 on the same fixed core rod 2 can be adjusted, so that the distance in the vertical direction of the power transmission lines is increased, and windage yaw flashover accidents among the power transmission lines are reduced.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention and not to limit the same. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides an insulator that dangles with prevent wind inclined to one side function, its characterized in that, this insulator that dangles include fixed cross arm, fixed plug and insulating terminal, the lower extreme of fixed cross arm has a plurality of internal thread holes, the side of fixed plug has the external screw thread, and the external screw thread of this fixed plug is fixed in the internal thread hole of cross arm, insulating terminal includes dwang and porcelain insulator, porcelain insulator installs on the dwang, and the inside of dwang has the through-hole, and this through-hole is installed on fixed plug, fixation nut is equipped with on the fixed plug at both ends about porcelain insulator.

2. The suspension insulator with windage yaw prevention function as claimed in claim 1, wherein the rotation rod is a cylindrical rod body having a through hole therein, and the through hole has an internal thread therein for connection with an external thread on a side surface of the fixed core rod.

3. A suspension insulator with windage yaw prevention function as set forth in claim 2, wherein said upper end of said pivot rod has a pivot end with hexagonal side surfaces.

4. A suspension insulator with windage yaw prevention function as claimed in claim 3, wherein the lower end of the turning rod is provided with a seating plate having a fixing groove, and the porcelain insulator is mounted on the turning rod through the fixing groove.

5. The suspension insulator with the windage yaw prevention function according to claim 2, wherein the porcelain insulator is movably connected with the rotating rod, so that the porcelain insulator can rotate in two directions on the side surface of the rotating rod.

6. A suspension insulator with windage yaw prevention function according to claim 5 or 4, wherein the porcelain insulator has a through hole formed therein, the through hole being mounted on the cylindrical rod body of the turning rod, and the lower end of the through hole has a fixing latch which is engaged with a fixing groove formed in the base plate of the turning rod.

7. The suspension insulator with the windage yaw prevention function according to claim 6, wherein the porcelain insulator has a fixing end at the upper end, the fixing end has a plurality of slots at the side surface, a long rod can be placed in the slots, then the porcelain insulator is rotated above the rotating rod, the overhead transmission line is placed on the porcelain insulator, the overhead transmission line is tensioned, and then the porcelain insulator is mounted at the fixing end to achieve the fixing effect.

8. The suspension insulator with the windage yaw preventing function according to claim 7, wherein the porcelain insulator is provided with a groove on the side surface, the groove is provided with a fixing hole at the upper end, the overhead transmission line is installed through the fixing hole, and the surplus transmission line can be fixedly wound in the groove in a rotating manner during the process of tensioning the overhead transmission line.