CN213635527U - String-falling-preventing multi-connected V-shaped insulator hardware string for extra-high voltage line - Google Patents
String-falling-preventing multi-connected V-shaped insulator hardware string for extra-high voltage line Download PDFInfo
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- CN213635527U CN213635527U CN202022747818.3U CN202022747818U CN213635527U CN 213635527 U CN213635527 U CN 213635527U CN 202022747818 U CN202022747818 U CN 202022747818U CN 213635527 U CN213635527 U CN 213635527U
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Abstract
The utility model provides an extra-high voltage circuit prevents that cluster from ally oneself with V type insulator gold utensil cluster more, including insulator string body, insulator string body is the V type cluster more that adopts two string point structures, insulator string body hangs the yoke plate including eight divisions, two string points of yoke plate upper end are hung respectively through first right angle link plate, yoke plate and first U type link connection composite insulator, composite insulator passes through second U type link and connects three change yoke plate groups, three change yoke plate group connects PT adjusting plate group, PT adjusting plate group connects first DB adjusting plate, first DB adjusting plate tail end articulates third U type link, still be equipped with ZBD right angle link plate and second DB adjusting plate between PT adjusting plate group and the first DB adjusting plate. Utilize the utility model discloses the extra-high voltage transmission line of construction ally oneself with V cluster more can improve the tensile ability of the anti vertical unbalance tension of the gold utensil cluster that dangles, prevents that circuit gold utensil PT board overlength from leading to falling the cluster, improves the fail safe nature of circuit operation, ensures electric power facility safe operation.
Description
Technical Field
The utility model relates to a transmission line accessory field, concretely relates to special high voltage transmission lines prevents that cluster from falling and ally oneself with V type insulator gold utensil cluster more.
Background
Along with the increase of extra-high voltage transmission line transmission capacity, more and more extra-high voltage circuit adopts six divisions and eight division wires, because the tower window size is great, the limb length of the single limb of V cluster of extra-high voltage circuit wire is longer, generally need adopt several PT adjusting plate, and a plurality of PT adjusting plate settings are when same direction, and easy breakage under the vertical unbalanced tension effect of wire has the risk that insulator chain dropped, is unfavorable for the safety and stability operation of circuit, has great operation potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that, overcome prior art not enough, provide one kind and can effectively improve the anti vertical unbalanced tension of the V type cluster that dangles, the special high voltage transmission lines that the reliability is high prevents that the cluster from falling the V type insulator gold utensil cluster that ally oneself with more.
The utility model provides a technical scheme that its technical problem adopted is, a special high voltage transmission lines prevents that cluster V type insulator gold utensil cluster that ally oneself with more that appears, including insulator chain body, insulator chain body is the V type cluster that ally oneself with that appears that adopts two string point structures, insulator chain body hangs the yoke plate including eight divisions, two string points that eight divisions hung the yoke plate upper end connect composite insulator through first right angle link plate, yoke plate and first U type link respectively, composite insulator connects three change yoke plate groups through second U type link, three change yoke plate group connects PT adjusting plate group, PT adjusting plate group connects first DB adjusting plate, first DB adjusting plate tail end articulates third U type link, still be equipped with ZBD right angle link plate and second DB adjusting plate between PT adjusting plate group and the first DB adjusting plate.
Further, the three-change duplex plate group comprises a trapezoidal yoke plate, a parallel hanging plate, a three yoke plate and a second right-angle hanging plate which are connected in sequence.
Furthermore, the number of the ZBD right-angle hanging plates is more than or equal to 2, and the ZBD right-angle hanging plates are connected through a second DB adjusting plate.
Furthermore, the V-shaped angle alpha formed by two limbs in the insulator string body is 90-140 degrees.
Further, the number of the PT adjusting plate groups is more than or equal to 3.
Furthermore, eight groups of suspension clamps are arranged on the eight-split suspension yoke plate, and the eight groups of suspension clamps are used for installing eight split conductors.
The utility model adds 2 ZBD right-angle hanging plates and a DB adjusting plate in the PT adjusting plate group of each limb on the basis of the existing multi-connected V-shaped suspension string of the extra-high voltage line, thereby increasing the rotation capacity of the PT adjusting plate in two directions and reducing the risk of PT adjusting plate fracture caused by overlarge longitudinal unbalanced tension due to strong wind, overlarge span and the like; utilize the utility model discloses construct extra-high voltage transmission line, can improve the tensile ability of the anti vertical unbalance tension of gold utensil cluster that dangles, improve the fail safe nature of circuit operation, guarantee electric power facility safe operation.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of the direction A in the embodiment shown in FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B;
fig. 4 is a partially enlarged schematic view of C in fig. 2.
In the figure: 1. the insulator string comprises an insulator string body, 2, eight split suspension link plates, 2-1, eight groups of suspension wire clamps, 3, a first right-angle hanging plate, 4, 8, three-change link plate groups, 8-1, trapezoidal link plates, 8-2, parallel hanging plates, 8-3, three link plates, 8-4, a second right-angle hanging plate, 5, a first U-shaped hanging ring, 6, a composite insulator, 7, a second U-shaped hanging ring, 9, a first DB adjusting plate, 10, a third U-shaped hanging ring, 11, a ZBD right-angle hanging plate, 12, a second DB adjusting plate, 13, an EB trunnion hanging plate and 14, a PT adjusting plate group.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to the accompanying drawings 1-4, this embodiment includes insulator string body 1, insulator string body 1 is the V type cluster that allies oneself with that adopts two to hang the point structure, insulator string body includes eight divisions link plate 2 that dangles, eight divisions hang two hanging points of 2 upper ends of link plate and connect composite insulator 6 through first right angle link plate 3, link plate 4 and first U type link ring 5 respectively, composite insulator 6 connects three change couple plate groups 8 through second U type link ring 7, and three change couple plate group 8 connects PT adjusting plate group 14, PT adjusting plate group 14 connects first DB adjusting plate 9, first DB adjusting plate 9 tail end articulates third U type link ring 10, be equipped with ZBD right angle link plate 11 and second DB adjusting plate 12 between DB adjusting plate group 14 and the first DB adjusting plate 9. And the third U-shaped hanging ring 10 is connected with an EB trunnion hanging plate 13.
The three-change duplex plate group 8 comprises a trapezoidal yoke plate 8-1, a parallel hanging plate 8-2, a three yoke plate 8-3 and a second right-angle hanging plate 8-4 which are connected in sequence.
The V-shaped angle alpha formed by two limbs in the insulator string body 1 is 120 degrees.
The ZBD right-angle hanging plate 11 is equipped with 2, connects through a second DB adjusting plate 12 between two ZBD right-angle hanging plates 11.
Eight groups of suspension clamps 2-1 are arranged on the eight-split suspension connecting plate 2, and eight split conductors (not shown in the figure) are arranged on the eight groups of suspension clamps.
The PT set of adjustment plates 8 is provided with 3 interconnected pieces.
This embodiment increases two ZBD right angle link plates and an adjusting plate and connects in the middle of the PT adjusting plate group of every limb of the V type of hanging string that has now that the extra-high voltage circuit ally oneself with more, has increased the rotation ability of PT adjusting plate in two directions, has reduced because of the gold utensil is too long, and when wind-force is great, the cracked risk of PT adjusting plate that leads to is too big to the vertical unbalanced tension of circuit, has improved the fail safe nature of circuit operation, ensures electric power facility safe operation.
Various modifications and variations of the present invention may be made by those skilled in the art, and they are still within the scope of the present invention, provided they are within the scope of the claims of the present invention and their equivalents.
What is not described in detail in the specification is prior art that is well known to those skilled in the art.
Claims (9)
1. The utility model provides an extra-high voltage circuit prevents that cluster from ally oneself with V type insulator gold utensil cluster more, includes insulator string body, insulator string body is the V type cluster more that adopts two string point structures, insulator string body hangs the yoke plate including eight divisions, two string points that the yoke plate upper end was hung in eight divisions are connected composite insulator through first right angle link plate, yoke plate and first U type link respectively, composite insulator connects three change yoke plate groups through second U type link, three change yoke plate group connects PT adjusting plate group, PT adjusting plate group connects first DB adjusting plate, first DB adjusting plate tail end articulates third U type link, its characterized in that: still be equipped with ZBD right angle link plate and second DB adjusting plate between PT adjusting plate group and the first DB adjusting plate.
2. The anti-string-falling multi-connected V-shaped insulator hardware string of the extra-high voltage line according to claim 1, characterized in that: the three-change duplex plate group comprises a trapezoidal yoke plate, a parallel hanging plate, a three yoke plate and a second right-angle hanging plate which are connected in sequence.
3. The anti-string-falling multi-connected V-shaped insulator hardware string of the extra-high voltage line according to claim 2, characterized in that: the number of the ZBD right-angle hanging plates is more than or equal to 2, and the ZBD right-angle hanging plates are connected through a second DB adjusting plate.
4. The anti-string-falling multi-connected V-shaped insulator hardware string for the extra-high voltage line according to any one of claims 1 to 3, wherein: the V-shaped angle alpha formed by two limbs in the insulator string body is 90-140 degrees.
5. The anti-string-falling multi-connected V-shaped insulator hardware string for the extra-high voltage line according to any one of claims 1 to 3, wherein: the number of the PT adjusting plate groups is more than or equal to 3.
6. The anti-string-falling multi-connected V-shaped insulator hardware string of the extra-high voltage line according to claim 4, characterized in that: the number of the PT adjusting plate groups is more than or equal to 3.
7. The anti-string-falling multi-connected V-shaped insulator hardware string for the extra-high voltage line according to any one of claims 1 to 3, wherein: eight groups of suspension clamps are arranged on the eight-split suspension connecting plate and are used for installing eight split conductors.
8. The anti-string-falling multi-connected V-shaped insulator hardware string of the extra-high voltage line according to claim 4, characterized in that: eight groups of suspension clamps are arranged on the eight-split suspension connecting plate and are used for installing eight split conductors.
9. The anti-string-falling multi-connected V-shaped insulator hardware string of the extra-high voltage line according to claim 5, characterized in that: eight groups of suspension clamps are arranged on the eight-split suspension connecting plate and are used for installing eight split conductors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022747818.3U CN213635527U (en) | 2020-11-24 | 2020-11-24 | String-falling-preventing multi-connected V-shaped insulator hardware string for extra-high voltage line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022747818.3U CN213635527U (en) | 2020-11-24 | 2020-11-24 | String-falling-preventing multi-connected V-shaped insulator hardware string for extra-high voltage line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213635527U true CN213635527U (en) | 2021-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022747818.3U Active CN213635527U (en) | 2020-11-24 | 2020-11-24 | String-falling-preventing multi-connected V-shaped insulator hardware string for extra-high voltage line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213635527U (en) |
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2020
- 2020-11-24 CN CN202022747818.3U patent/CN213635527U/en active Active
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