CN216553279U - Arrester single-loop straight line tower suitable for high-altitude area - Google Patents
Arrester single-loop straight line tower suitable for high-altitude area Download PDFInfo
- Publication number
- CN216553279U CN216553279U CN202123225446.9U CN202123225446U CN216553279U CN 216553279 U CN216553279 U CN 216553279U CN 202123225446 U CN202123225446 U CN 202123225446U CN 216553279 U CN216553279 U CN 216553279U
- Authority
- CN
- China
- Prior art keywords
- lightning arrester
- cross arm
- tower
- wire
- arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The utility model provides an arrester single-circuit straight line shaft tower suitable for high-altitude area, includes the shaft tower main part and sets up the wire cross arm at shaft tower main part top, the wire cross arm constitute by well cross arm and the limit wire cross arm of connecting at well cross arm both ends to the tip of limit wire cross arm respectively encorbelments out a pair arrester support, the lower surface of well cross arm and limit wire cross arm sets up three-phase wire hanging point, well looks wire is connected on well looks wire hanging point of well cross arm lower surface, two-phase limit looks wire is connected on the limit looks wire hanging point of limit wire cross arm lower surface, limit looks wire hanging point is located the tip of limit wire cross arm, the arrester body is connected to the support end of arrester support, limit looks wire and arrester body be in the coplanar and the limit looks wire is located the below of arrester body. The lightning protection device has a better lightning protection effect, solves the problem of poor lightning protection effect of the single-loop tangent tower of the alternating current line, and widens the application range of the single-loop tangent tower of the 500kV alternating current.
Description
Technical Field
The utility model belongs to the field of transmission line engineering, and particularly relates to a single-loop linear tower of a lightning arrester, which is suitable for high-altitude areas.
Background
In recent years, as 500kV lines in high-altitude areas are gradually built into networking, power transmission levels are continuously increased. And the high-altitude area leads the regional span of the power transmission line to be large due to the special geographic environment and is in a severe environment. External force, lightning stroke and bird damage are three main disasters threatening the safe operation of the power transmission line.
In general transmission line engineering, lightning protection measures such as lightning protection lines and grounding are generally adopted. However, in high-altitude areas, due to high altitude, many mountainous areas, large topographic relief, severe environmental conditions and many lightning strikes in some areas, lightning protection measures such as conventional ground wires and grounding need to be taken, and extra lightning protection measures need to be taken.
A conventional 500kV alternating current single-circuit straight line tower side cross arm only suspends one-phase lead, so that the appearance is mostly in a wine glass tower type, the side cross arm adopts a triangular type or an opening type, and the cross arms are arranged in an equal-width or necking mode.
In order to arrange the lightning arrester support at the cross arm end, the side wire cross arm of the straight tower needs to be reset, so that the lightning arrester is convenient to install and operate and maintain at the later stage.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems in the prior art, provides a single-loop straight line tower of an arrester suitable for a high-altitude area, reliably meets the requirement of installing the arrester of a 500kV alternating current transmission line straight line tower in the high-altitude area, and improves the lightning protection effect of the single-loop straight line tower of the alternating current transmission line.
In order to achieve the purpose, the utility model has the following technical scheme:
the utility model provides an arrester single-circuit straight line shaft tower suitable for high-altitude area, includes the shaft tower main part and sets up the wire cross arm at shaft tower main part top, the wire cross arm constitute by well cross arm and the limit wire cross arm of connecting at well cross arm both ends to the tip of limit wire cross arm respectively encorbelments out a pair arrester support, the lower surface of well cross arm and limit wire cross arm sets up three-phase wire hanging point, and well looks wire is connected on well looks wire hanging point of well cross arm lower surface, and two-phase limit looks wire is connected on the limit looks wire hanging point of limit wire cross arm lower surface, and limit looks wire hanging point is located the tip of limit wire cross arm, and the arrester body is connected to the support end of arrester body, limit looks wire and arrester body be in coplanar and limit looks wire is located the below of arrester body.
As a preferred scheme of the utility model, the tower main body comprises tower legs, a tower body supporting and arranged on the tower legs and a lower bent arm structure arranged at the top of the tower body, wherein the lower bent arm structure is connected with a supporting wire cross arm through an upper bent arm structure; the lower crank arm structure is composed of two lower crank arm branches arranged in a V shape, and the upper crank arm structure is composed of an upper crank arm branch connected between the tops of the two lower crank arm branches and the wire cross arm.
As a preferred scheme of the utility model, four tower legs are arranged, the tower body is a tower body with a square section structure, the tower legs are respectively supported and arranged at four corners of the lower surface of the tower body, two lower crank arm branches of the lower crank arm structure and two upper crank arm branches of the upper crank arm structure are both triangular structures, the bottom surfaces of the lower crank arm branches and the upper crank arm branches are both square, and the lower crank arm branches and the upper crank arm branches are in corner-diagonal connection.
As a preferable aspect of the present invention, the surge arrester support is arranged perpendicular to the side wire cross arm, and the side wire cross arm is arranged perpendicular to the line direction, and the surge arrester support is arranged parallel to the line direction.
As a preferred scheme of the utility model, the side wire cross arm and the lightning arrester bracket adopt a triangular equal-width structure.
As a preferred scheme of the utility model, the lightning arrester bracket adopts a non-closing design, and the root part of the lightning arrester bracket is connected with the side wire cross arm by adopting bolts and angle steel; the support end sets up the double limb angle steel, reserves the string line hole of connecting the arrester body.
In a preferred embodiment of the present invention, the bottom surface of the lightning arrester support is substantially longer than the top main material, the lower plane of the lightning arrester support is arranged in a cross diagonal material, the side diagonal materials are arranged in a triangular shape, and the upper plane is arranged in a single diagonal material.
As a preferred scheme of the present invention, the middle phase conductor adopts a "V" serial jumper, and the two phase side phase conductors adopt an "I" serial jumper.
As a preferable scheme of the present invention, two ends of the upper surface of the middle cross arm are respectively provided with a ground wire bracket.
Compared with the prior art, the utility model has the following beneficial effects:
support through the shaft tower main part and set up the wire cross arm, the wire cross arm includes well cross arm and connects the limit wire cross arm at well cross arm both ends, the lower surface of well cross arm and limit wire cross arm sets up the three-phase wire and hangs the point, the tip of limit wire cross arm respectively encorbelments out a pair arrester support, the arrester body is connected to the support end of arrester support, limit looks wire hangs the point and is located the tip of limit wire cross arm, make limit looks wire and arrester body be in the below of coplanar and limit looks wire is located the arrester body, better lightning protection effect has, the poor practical problem of the lightning protection effect of alternating current circuit single-circuit tangent tower among the prior art has been solved. The lightning arrester installation structure can be obtained by improving the traditional single-loop straight line tower, not only can solve the practical problems of lightning arrester installation and later operation and maintenance, but also has the advantages of simple structure, clear force transmission path and convenience for production and processing, can be applied to 500kV alternating current transmission line engineering in Tibet or other high-altitude and large-altitude-difference areas, and widens the application range of the 500kV alternating current single-loop straight line tower.
Furthermore, the lightning arrester support is perpendicular to the side wire cross arms, the side wire cross arms are arranged perpendicular to the line direction, the lightning arrester support is arranged in parallel with the line direction, the structure is convenient for processing and lofting of the lightning arrester support, the lightning arrester support adopts an opening arrangement mode, the lightning arrester support has good stress performance, the length of the cross arms can be adjusted, and the application range of the lightning arrester is widened.
Drawings
FIG. 1 is a schematic diagram of a three-dimensional structure of a single-loop linear tower of an arrester suitable for a high-altitude area;
FIG. 2 is a schematic diagram of a front view structure of a single-loop linear tower of the lightning arrester suitable for high-altitude areas;
fig. 3 is a schematic view of the arrangement of the arrester support according to the present invention;
fig. 4 is a schematic structural view of a lightning arrester support of the present invention: (a) a top view; (b) a front view; (c) a bottom view;
in the drawings: 1-a lightning arrester support; 2-side wire cross arm; 3-a ground wire bracket; 4-middle cross arm; 5-upper crank arm structure; 6-lower crank arm structure; 7-a tower body; 8-lightning arrester body.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to fig. 1, the lightning arrester single-circuit linear tower suitable for high-altitude areas mainly comprises a wine glass type tower main body and a lightning arrester support 1 perpendicular to a side wire cross arm 2, and comprises symmetrically arranged lightning arrester supports 1, side wire cross arms 2, a ground wire support 3, a middle cross arm 4, an upper bent arm structure 5, a lower bent arm structure 6 and a tower body 7 adopting a square section structure. The lightning arrester comprises a tower body, a middle cross arm 4, side wire cross arms 2 connected to two ends of the middle cross arm 4, a pair of lightning arrester supports 1 respectively cantilevered from the end parts of the side wire cross arms 2, a tower leg, a tower body 7 supported on the tower leg and a lower bent arm structure 6 arranged at the top of the tower body 7, wherein the lower bent arm structure 6 is connected with the supporting wire cross arms through an upper bent arm structure 5; the lower crank arm structure 6 is composed of two lower crank arm branches arranged in a V shape, and the upper crank arm structure 5 is composed of an upper crank arm branch connected between the tops of the two lower crank arm branches and the wire cross arm. Four tower legs are arranged, a tower body 7 is of a square section structure, the tower legs are respectively supported and arranged at four corners of the lower surface of the tower body 7, two lower crank arm branches of a lower crank arm structure 6 and two upper crank arm branches of an upper crank arm structure 5 are both of triangular structures, the bottom surfaces of the lower crank arm branches and the upper crank arm branches are both square, and the lower crank arm branches and the upper crank arm branches are in corner-diagonal connection. As shown in fig. 2, three-phase wire hanging points are arranged on the lower surfaces of the middle cross arm 4 and the side wire cross arm 2, and the three-phase wires are connected with the three-phase wire hanging points through hardware fittings and insulation strings. The middle phase wire is connected to the middle phase wire hanging point on the lower surface of the middle cross arm 4, the two phase side phase wires are connected to the side phase wire hanging point on the lower surface of the side wire cross arm 2, the side phase wire hanging point is located at the end of the side wire cross arm 2, the wire jumper adopts an I-V-I type, namely the side phase wire adopts an I-shaped serial jumper, and the middle phase wire adopts a V-shaped serial jumper. The two ends of the upper surface of the middle cross arm 4 are respectively provided with a ground wire bracket 3, and the protection angle range of the ground wire bracket meets the requirements of the current specification.
Referring to fig. 3, the surge arrester support 1 of the present invention is arranged perpendicular to the side wire cross arm 2, and the side wire cross arm 2 is arranged perpendicular to the line direction, and the surge arrester support 1 is arranged parallel to the line direction. The support end of the lightning arrester support 1 is connected with a lightning arrester body 8, the lower end of the lightning arrester body 8 is connected with a gap ring through an insulation string, the side wire cross arm 2 is a side phase wire which is connected in a hanging string mode, the side phase wire and the lightning arrester body 8 are located on the same plane, and the side phase wire is located below the lightning arrester body 8. The side wire cross arm 2 and the lightning arrester support 1 adopt a triangular equal-width structure, wherein the side wire cross arm 2 is used for connecting the lightning arrester support 1 by constructing an open triangular cross arm at the end part. The lightning arrester support 1 adopts a non-closing design, and the root of the lightning arrester support 1 is connected with the side wire cross arm 2 by adopting bolts and angle steel. The bottom surface and the top surface of the lightning arrester support 1 are long, the minimum length L of the bottom surface main material of the lightning arrester support 1 is not less than 4m, and the length can be adjusted according to actual needs.
Referring to fig. 4 (a) to (c), the lower plane of the arrester support 1 according to the present invention is arranged in a cross-diagonal, the upper plane of the arrester support 1 is arranged in a single diagonal, and the side members of the arrester support 1 are arranged in a triangle. The end of the bracket of the lightning arrester bracket 1 is provided with back-to-back double-limb angle steel, and a wire hanging hole is reserved for connecting the lightning arrester body 8.
According to the utility model, the lightning arrester support is arranged right above the end part wire of the side guide cross arm, so that the lightning arrester support has a better lightning protection effect, and the actual problem of poor lightning protection effect of the single-loop tangent tower of the alternating current line in the prior art is solved. The lightning arrester support and the side wire cross arm are vertically arranged, so that the lightning arrester support is convenient to process and loft, an opening arrangement form is adopted, the lightning arrester support has good stress performance, the length of the cross arm can be adjusted, and the application range of the lightning arrester is widened. This scheme is to waiting installation pattern to improve in the past, not only can solve the actual problem of arrester installation and later stage fortune dimension, but also has the structure succinct, and it is clear to pass the power route, and the advantage of the production and processing of being convenient for can be applied to later stage tibet or other high altitudes, 500kV alternating current transmission line engineering in big difference in height area.
The above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and it should be understood by those skilled in the art that the technical solution can be modified and replaced by a plurality of simple modifications and replacements without departing from the spirit and principle of the present invention, and the modifications and replacements also fall into the protection scope covered by the claims.
Claims (9)
1. The utility model provides a lightning arrester single circuit straight line shaft tower suitable for high-altitude area which characterized in that: comprises a tower main body and a wire cross arm arranged at the top of the tower main body, wherein the wire cross arm consists of a middle cross arm (4) and side wire cross arms (2) connected with the two ends of the middle cross arm (4), and the end parts of the side wire cross arms (2) are respectively cantilevered out a pair of lightning arrester brackets (1), the lower surfaces of the middle cross arm (4) and the side wire cross arm (2) are provided with three-phase wire hanging points, a middle phase wire is connected with the middle phase wire hanging point on the lower surface of the middle cross arm (4), two phase side wires are connected with the side phase wire hanging points on the lower surface of the side wire cross arm (2), the side phase wire hanging points are positioned at the end part of the side wire cross arm (2), the bracket end of the lightning arrester bracket (1) is connected with a lightning arrester body (8), the side phase lead and the lightning arrester body (8) are positioned on the same plane, and the side phase lead is positioned below the lightning arrester body (8).
2. The single-circuit straight-line tower of the lightning arrester suitable for the high-altitude area as claimed in claim 1, wherein: the tower main body comprises tower legs, a tower body (7) supported on the tower legs and a lower crank arm structure (6) arranged at the top of the tower body (7), and the lower crank arm structure (6) is connected with a supporting wire cross arm through an upper crank arm structure (5); the lower crank arm structure (6) is composed of two lower crank arm branches arranged in a V shape, and the upper crank arm structure (5) is composed of an upper crank arm branch connected between the tops of the two lower crank arm branches and the wire cross arm.
3. The single-circuit straight-line tower of the lightning arrester suitable for the high-altitude area as claimed in claim 2, wherein: the tower leg be provided with four, body of the tower (7) adopt square section structure body of the tower, the tower leg supports respectively and sets up on four angles of body of the tower (7) lower surface, two of lower crank arm structure (6) are bent arm branch and are bent arm branch on two of upper crank arm structure (5) and be triangle-shaped structure and bottom surface and be squarely, bend arm branch and bend arm branch on down between the angle diagonal connection.
4. The single-circuit straight-line tower of the lightning arrester suitable for the high-altitude area as claimed in claim 1, wherein: the lightning arrester support (1) is perpendicular to the side wire cross arms (2), the side wire cross arms (2) are arranged perpendicular to the line direction, and the lightning arrester support (1) is arranged in parallel with the line direction.
5. The single-circuit straight-line tower of the lightning arrester suitable for the high-altitude area as claimed in claim 1, wherein: the side wire cross arm (2) and the lightning arrester support (1) adopt a triangular equal-width structure.
6. The single-circuit straight-line tower of the lightning arrester suitable for the high-altitude area as claimed in claim 5, wherein: the lightning arrester support (1) adopts a non-closing design, and the root of the lightning arrester support (1) is connected with the side wire cross arm (2) through bolts and angle steel; the end of the bracket is provided with double-limb angle steel, and a hanging wire hole for connecting the lightning arrester body (8) is reserved.
7. The single-circuit straight-line tower of the lightning arrester suitable for the high-altitude area as claimed in claim 6, wherein: the bottom surface of the lightning arrester support (1) is long with the top surface main material, the lower plane of the lightning arrester support (1) is arranged according to crossed oblique materials, the lateral oblique materials are arranged in a triangular mode, and the upper plane adopts a single oblique material arrangement mode.
8. The single-circuit straight-line tower of the lightning arrester suitable for the high-altitude area as claimed in claim 1, wherein: the middle phase conductor adopts V-shaped serial jumper, and the two phase side phase conductors adopt I-shaped serial jumper.
9. The single-circuit straight-line tower of the lightning arrester suitable for the high-altitude area as claimed in claim 1, wherein: and two ends of the upper surface of the middle cross arm (4) are respectively provided with a ground wire bracket (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123225446.9U CN216553279U (en) | 2021-12-21 | 2021-12-21 | Arrester single-loop straight line tower suitable for high-altitude area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123225446.9U CN216553279U (en) | 2021-12-21 | 2021-12-21 | Arrester single-loop straight line tower suitable for high-altitude area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216553279U true CN216553279U (en) | 2022-05-17 |
Family
ID=81544570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123225446.9U Active CN216553279U (en) | 2021-12-21 | 2021-12-21 | Arrester single-loop straight line tower suitable for high-altitude area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216553279U (en) |
-
2021
- 2021-12-21 CN CN202123225446.9U patent/CN216553279U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105155908A (en) | Heavy icing area alternating current strain tower in shape like Chinese character 'gan' | |
| CN206128796U (en) | Cat head tangent tower | |
| CN216553279U (en) | Arrester single-loop straight line tower suitable for high-altitude area | |
| CN201953131U (en) | 220kV one-tower double-loop straight corner penetrating tower | |
| CN114059832A (en) | Single-loop lightning arrester linear tower for 500kV line engineering in high-altitude area | |
| CN204899381U (en) | A two return circuits of two curve type tangent tower for 330kV alternating current transmission | |
| CN207260730U (en) | A kind of double loop cable termination tower | |
| CN215632072U (en) | 1000kV extra-high voltage heavy ice area wine cup type horizontal strain tower | |
| CN220395332U (en) | Steel pipe pole for pi connection of power transmission line | |
| CN112376981A (en) | 110 kilovolt double-loop double-T-joint steel pipe rod | |
| CN219315606U (en) | Single-loop tree-type landscape tower | |
| CN208251779U (en) | A kind of exchange double back transmission line tangent tower | |
| CN215632061U (en) | Double-return single-pi cable terminal steel pipe pole | |
| CN203008472U (en) | Single circuit tension tower for 220kv electric transmission lines in areas of elevations below 4000m and wind speed of 28m/s | |
| CN216893728U (en) | Be applied to high-altitude area 110kV transmission line's shaft tower | |
| CN216665187U (en) | Inverted L-shaped double-loop terminal rod | |
| CN115967017B (en) | Compact distribution outgoing line arrangement structure | |
| CN201171152Y (en) | Compact overhead transmission line for high altitude region | |
| CN219477434U (en) | Compact arrangement structure of outgoing lines of transformer substation | |
| CN203701693U (en) | Single-circuit transmission line linear slope tower | |
| CN214402980U (en) | Extra-high voltage direct current circuit corner tower | |
| CN114753704A (en) | Triangular-arrangement 500kV double-loop strain drill crossing tower | |
| CN213144041U (en) | F-shaped tangent tower for extra-high voltage direct current line | |
| CN111519970B (en) | 220kV transmission line single-loop iron tower | |
| CN213980175U (en) | 110 kilovolt double-loop double-T-joint steel pipe rod |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |