CN111668786B - Oblique pull rod jumper wire string capable of preventing wire tension string from inclining - Google Patents
Oblique pull rod jumper wire string capable of preventing wire tension string from inclining Download PDFInfo
- Publication number
- CN111668786B CN111668786B CN202010602741.2A CN202010602741A CN111668786B CN 111668786 B CN111668786 B CN 111668786B CN 202010602741 A CN202010602741 A CN 202010602741A CN 111668786 B CN111668786 B CN 111668786B
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- CN
- China
- Prior art keywords
- string
- tension
- plate
- yoke plate
- resistant
- 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.)
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- 239000012212 insulator Substances 0.000 claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000012790 confirmation Methods 0.000 claims description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 239000012211 strain insulator Substances 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/05—Suspension arrangements or devices for electric cables or lines
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/02—Suspension insulators; Strain insulators
- H01B17/06—Fastening of insulator to support, to conductor, or to adjoining insulator
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/02—Suspension insulators; Strain insulators
- H01B17/06—Fastening of insulator to support, to conductor, or to adjoining insulator
- H01B17/08—Fastening of insulator to support, to conductor, or to adjoining insulator by cap-and-bolt
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/38—Fittings, e.g. caps; Fastenings therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/02—Devices for adjusting or maintaining mechanical tension, e.g. take-up device
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/14—Arrangements or devices for damping mechanical oscillations of lines, e.g. for reducing production of sound
Landscapes
- Insulators (AREA)
Abstract
The invention discloses a diagonal draw bar jumper wire string for preventing a wire tension string from tilting, which at least comprises the following components: the jumper string includes at least: the device comprises a right-angled triangle tension-resistant yoke plate, two insulators, two PT plates, a trapezoid yoke plate, two diagonal draw bars and an airplane plate; through replacing the outer corner side aircraft board with right triangle-shaped strain insulator yoke plate in traditional two aircraft plate structures, select the hanging hole on the right triangle-shaped strain insulator yoke plate according to different corner degrees, avoided the phenomenon that the wire strain insulator-string leans towards the outer corner side because of inside and outside oblique pull rod length reason behind the strain insulator-tower area angle.
Description
Technical Field
The invention belongs to the technical field of power transmission equipment, and particularly relates to a diagonal draw bar jumper string capable of preventing a wire tension string from tilting.
Background
With the development of economy and society, overhead transmission lines are more and more crowded in channels, various obstacles and sensitive facilities needing to be avoided are more and more, so that the power transmission line resistance Zhang Bi is increased compared with the prior art, and simultaneously, large-angle corner towers are also increased gradually.
For example, when the angle degree of the angle of the tension-resistance Zhang Tieda of the 750kV power transmission line is larger than 15 degrees, the inner angle side jumper wire string is usually a diagonal tension rod jumper wire string, but the outward angle side inclination phenomenon can occur to the wire tension-resistance string connected with the conventional diagonal tension rod jumper wire string, and the larger the angle degree is, the more obvious the inclination is. With the increase of the power transmission line Zhang Bi and the large-angle strain towers in recent years, the phenomenon is not negligible.
Therefore, there is a need for an improved diagonal draw jumper string that effectively avoids the wire strain string tilting toward the outside corner side to improve strain string stress while allowing for the aesthetics of the hardware string.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the diagonal draw bar jumper string for preventing the wire tension string from tilting.
The technical scheme adopted by the invention is as follows:
A diagonal draw bar jumper string for preventing wire tension string tilting, the jumper string comprising at least: the jumper string includes at least: the device comprises a right-angled triangle tension-resistant yoke plate, two insulators, two PT plates, a trapezoid yoke plate, two diagonal draw bars and an airplane plate; the right-angle triangle tension-resistant yoke plate and the airplane plate are connected and fixed with the wire tension-resistant string, the right-angle triangle tension-resistant yoke plate and the airplane plate are arranged in parallel, the right-angle triangle tension-resistant yoke plate and the airplane plate are respectively connected with the trapezoid yoke plate through insulators and PT plates, and the trapezoid yoke plate is respectively connected with the two diagonal rods; the right-angled triangle tension-resistant yoke plate is provided with a plurality of hanging holes for realizing connection with the insulators, the hanging holes are arranged in a linear manner in an inclined manner relative to the horizontal direction, and the hanging hole position selection of the insulators is completed based on the degree of a rotation angle alpha of the tension-resistant iron tower of the power transmission line and the degree of a downward inclination angle beta of the diagonal rod.
According to a preferred embodiment, the confirmation of the hanging position of the insulator on the right-angled triangle tension yoke plate in the horizontal direction is completed through the degree of the rotation angle alpha of the tension tower of the power transmission line.
According to a preferred embodiment, the insulator 2 is hung on the vertical hanging position of the right-angled triangle tension-resistant yoke plate 1 through the degrees of the downward inclination angle beta of the diagonal draw bar 5 and the angle gamma between the connecting line direction of the hanging hole of the right-angled triangle tension-resistant yoke plate 1 and the horizontal plane direction.
According to a preferred embodiment, the selection of the hanging position of the insulator on the right-angled triangle tension-resistant yoke plate is completed through the confirmation position of the insulator in the horizontal direction and the confirmation position in the vertical direction of the right-angled triangle tension-resistant yoke plate.
According to a preferred embodiment, the right-angled triangle tension-resistant yoke plate and the aircraft plate are connected to the wire tension string via connecting bolts, respectively.
According to a preferred embodiment, the right triangle strain yoke plate and the aircraft plate are respectively connected with the insulator through a first connecting fitting, wherein the connecting fitting comprises, but is not limited to, a U-shaped ring and a ball-head hanging ring.
According to a preferred embodiment, the insulator is of disc-type construction.
According to a preferred embodiment, the insulator is connected to the trapezoidal yoke plate through a PT plate, and the PT plate has a telescopic adjusting structure.
According to a preferred embodiment, the trapezoidal link plate is connected to the diagonal draw bar via a second connection fitting including, but not limited to, a PS or PT link plate.
The foregoing inventive subject matter and various further alternatives thereof may be freely combined to form a plurality of alternatives, all of which are employable and claimed herein; and the invention can be freely combined between the (non-conflicting choices) choices and between the choices and other choices. Various combinations will be apparent to those skilled in the art from a review of the present disclosure, and are not intended to be exhaustive or all of the present disclosure.
The invention has the beneficial effects that:
The invention discloses an oblique pull rod jumper wire string for preventing a wire tension string from inclining, which is characterized in that an outer angle side airplane plate in a traditional double airplane plate structure is replaced by a right triangle tension-resistant yoke plate, hanging holes on the right triangle tension-resistant yoke plate are selected according to different angle degrees, and meanwhile, a PT plate with adjustable length is adopted to be matched with the inner side and the outer side for adjusting the length, so that the length of the inner side and the outer side of the oblique pull rod is adjusted along with the angle degrees, the phenomenon that the wire tension string inclines towards the outer angle side due to the length of the inner side and the outer side oblique pull rod after the tension tower is provided with an angle is avoided, the stress of the tension string is further improved, and the attractiveness of a hardware string is also considered.
Drawings
FIG. 1 is an elevation view of a diagonal draw jumper string for preventing wire tension string tilting in accordance with the present invention;
FIG. 2 is a top view of a diagonal draw jumper string for preventing wire tension string tilting in accordance with the present invention;
FIG. 3 is a front view of a right triangle strain insulator-yoke plate of the present invention for preventing wire strain insulator-strings from tilting;
In the figure: the device comprises a 1-right-angle triangle tension-resistant yoke plate, a 11-hanging hole, a 2-insulator, a 3-PT plate, a 4-trapezoid yoke plate, a 5-diagonal draw bar and a 6-aircraft plate.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict.
It should be noted that, for the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments.
Thus, the following detailed description of the embodiments of the invention is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate orientations or positional relationships in which the inventive product is conventionally placed in use, and are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In addition, in the present invention, if a specific structure, connection relationship, position relationship, power source relationship, etc. are not specifically written, the structure, connection relationship, position relationship, power source relationship, etc. related to the present invention can be known by those skilled in the art without any creative effort.
Example 1:
Reference is made to figures 1,2 and 3. The invention discloses a diagonal draw bar 5 jumper wire string for preventing a wire tension string from tilting, which at least comprises the following components: the jumper string includes at least: the cable comprises a right-angled triangle tension-resistant yoke plate 1, two insulators 2, two PT plates 3, a trapezoid yoke plate 4, two diagonal draw bars 5 and an airplane plate 6.
Preferably, the right triangle tension yoke plate 1 and the airplane plate 6 are fixed with the wire tension string. Further, the right triangle tension-resistant yoke plate 1 and the airplane plate 6 are connected with the wire tension-resistant string through connecting bolts respectively.
Preferably, the right triangle tension yoke plate 1 and the plane plate 6 are arranged in parallel. And the right triangle tension-resistant yoke plate 1 and the plane plate 6 are respectively connected with the trapezoid yoke plate 4 through the insulator 2 and the PT plate 3, and the trapezoid yoke plate 4 is respectively connected with the two diagonal rods 5. Further, the insulator 2 is connected with the trapezoid yoke plate 4 through the PT plate 3, and the PT plate 3 is provided with an adjustable telescopic structure. Further, the insulator 2 has a disc-type structure.
Preferably, the right triangle tension yoke plate 1 is provided with a plurality of hanging holes 11 for realizing connection with the insulator 2, the hanging holes 11 are arranged in a linear manner inclined relative to the horizontal direction, and the hanging hole selection of the insulator 2 is completed based on the degree of the rotation angle alpha of the tension tower of the power transmission line and the degree of the downward inclination angle beta of the diagonal rod 5.
Preferably, the confirmation of the hooking position of the insulator 2 on the right-angled triangle tension yoke plate 1 in the horizontal direction is completed through the rotation angle degree (2 x alpha) of the tension tower of the power transmission line.
Preferably, the confirmation of the hanging position of the insulator 2 on the right-angled triangle tension-resistant yoke plate 1 in the vertical direction is completed by the degree of the downward inclination angle beta of the diagonal draw bar 5 and the angle gamma between the connecting line direction of the hanging hole of the right-angled triangle tension-resistant yoke plate 1 and the horizontal plane direction. Further, the insulator 2 is hung on the confirmation position in the horizontal direction and the confirmation position in the vertical direction of the right-angled triangle strain yoke plate 1, so that the position selection of the hanging hole 11 of the insulator 2 on the right-angled triangle strain yoke plate 1 is completed. For example, (l5=l×tan (α), (cos (γ) +sin (γ) ×tan (β+γ -90))), L6, L7, and so on, … …, where L is the distance between the right triangle strain yoke plate 1 and the aircraft plate 6.
This wire jumper cluster is through replacing the outer angle side aircraft board in with traditional two aircraft plate structures for right triangle strain insulator yoke plate, selects hanging hole 11 on the right triangle strain insulator yoke plate according to different corner degrees, adopts the PT board of adjustable length simultaneously in order to cooperate outside to adjust long to make the inside and outside length of diagonal draw bar follow the corner degree and adjust, avoided after the strain insulator tower takes the angle because of inside and outside diagonal draw bar length cause lead the phenomenon that the wire strain insulator cluster leaned towards outer angle side, and then improved strain insulator cluster atress, also compromise the aesthetic property of gold utensil cluster simultaneously.
Example 2
Based on the above embodiment 1, as shown in fig. 1, 2 and 3, the right triangle strain yoke plate 1 and the aircraft plate 6 are respectively connected with the insulator 2 through a first connection fitting, where the connection fitting includes, but is not limited to, a U-shaped ring and a ball-head hanging ring. In this embodiment, other undescribed matters are the same as those of the above embodiment, and will not be repeated here.
Example 3
Based on the above embodiment 2, the ladder link 4 is connected to the diagonal draw bar 5 via a second connection fitting, which includes but is not limited to a PS or PT link. In this embodiment, other undescribed matters are the same as those of the above embodiment, and will not be repeated here.
The foregoing basic embodiments of the invention, as well as other embodiments of the invention, can be freely combined to form numerous embodiments, all of which are contemplated and claimed. In the scheme of the invention, each selection example can be arbitrarily combined with any other basic example and selection example. Numerous combinations will be apparent to those skilled in the art.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (5)
1. Oblique pull rod jumper wire string capable of preventing wire tension string from inclining, and is characterized in that the jumper wire string at least comprises: the device comprises a right-angled triangle tension-resistant yoke plate (1), two insulators (2), two PT plates (3), a trapezoid yoke plate (4), two diagonal draw bars (5) and an airplane plate (6);
the right-angle triangle tension-resistant yoke plate (1) and the airplane plate (6) are connected and fixed with the wire tension-resistant string, the right-angle triangle tension-resistant yoke plate (1) and the airplane plate (6) are arranged in parallel, the right-angle triangle tension-resistant yoke plate (1) and the airplane plate (6) are respectively connected with the trapezoid yoke plate (4) through insulators (2) and PT plates (3), and the trapezoid yoke plate (4) is respectively connected with two diagonal rods (5);
The right-angle triangle tension-resistant yoke plate (1) is provided with a plurality of hanging holes for realizing connection with the insulators (2), the hanging holes are in inclined linear arrangement relative to the horizontal direction, and the hanging holes of the insulators (2) are selected to be completed based on the degree of a rotation angle alpha of a tension-resistant iron tower of a power transmission line and the degree of a downward inclination angle beta of the diagonal rod (5);
The method comprises the steps that through the rotation angle degree (2 x alpha) of a tension tower of a power transmission line, confirmation of the hanging position of an insulator (2) in the horizontal direction on a right-angled triangle tension yoke plate (1) is completed;
The confirmation of the hanging position of the insulator (2) in the vertical direction on the right-angled triangle tension-resistant yoke plate (1) is completed through the degree of the downward inclination angle beta of the diagonal draw bar (5) and the angle gamma between the connecting line direction of the hanging hole of the right-angled triangle tension-resistant yoke plate 1 and the horizontal plane direction;
The insulator (2) is hung on the confirmation position in the horizontal direction and the confirmation position in the vertical direction of the right-angled triangle tension-resistant yoke plate (1), so that the hanging hole position of the insulator (2) on the right-angled triangle tension-resistant yoke plate (1) is selected;
The insulator (2) is connected with the trapezoid connecting plate (4) through the PT plate (3), and the PT plate (3) is provided with an adjustable structure.
2. The diagonal draw bar jumper string for preventing wire tension string inclination according to claim 1, wherein the right triangle tension-resistant yoke plate (1) and the airplane plate (6) are connected with the wire tension string through connecting bolts respectively.
3. The diagonal draw bar jumper string for preventing wire tension string inclination according to claim 1, wherein the right triangle tension yoke plate (1) and the airplane plate (6) are respectively connected with the insulator (2) through first connecting hardware fittings, and the connecting hardware fittings comprise, but are not limited to, U-shaped rings and ball-head hanging rings.
4. A diagonal draw bar jumper string for preventing wire tension string tilting according to claim 3, characterized in that the insulator (2) is of a disc type structure.
5. A diagonal draw bar jumper string for preventing wire tension string tilting according to claim 1, characterized in that the trapezoid connecting plate (4) is connected with the diagonal draw bar (5) through a second connecting fitting, wherein the second connecting fitting comprises but is not limited to PS or PT hanging plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010602741.2A CN111668786B (en) | 2020-06-29 | 2020-06-29 | Oblique pull rod jumper wire string capable of preventing wire tension string from inclining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010602741.2A CN111668786B (en) | 2020-06-29 | 2020-06-29 | Oblique pull rod jumper wire string capable of preventing wire tension string from inclining |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111668786A CN111668786A (en) | 2020-09-15 |
| CN111668786B true CN111668786B (en) | 2024-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010602741.2A Active CN111668786B (en) | 2020-06-29 | 2020-06-29 | Oblique pull rod jumper wire string capable of preventing wire tension string from inclining |
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| CN (1) | CN111668786B (en) |
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| JPS6427135A (en) * | 1987-07-22 | 1989-01-30 | Asahi Malleable Iron Co Ltd | Tension insulator device with weight |
| JPH10302562A (en) * | 1997-04-22 | 1998-11-13 | Asahi Tec Corp | Double tension device |
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| JP2007027090A (en) * | 2006-05-02 | 2007-02-01 | Asahi Tec Corp | Tension insulator set |
| WO2009049544A1 (en) * | 2007-10-12 | 2009-04-23 | Lianggui Gong | Ice-melting device for bundle conductor transmission line and thereof method |
| CN201238175Y (en) * | 2008-07-25 | 2009-05-13 | 南京线路器材厂 | Horizontal direction force regulating mechanism for hard busbar bridle wire with diagonal draw bar |
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| KR101355103B1 (en) * | 2013-10-10 | 2014-01-22 | 공은옥 | Insulator type supporing bar of electric for fastening over head distribution line |
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| JP2907210B1 (en) * | 1998-06-23 | 1999-06-21 | 大同電機工業株式会社 | Tower support mechanism of tower multi-point support tension insulator device |
| JP2007027090A (en) * | 2006-05-02 | 2007-02-01 | Asahi Tec Corp | Tension insulator set |
| WO2009049544A1 (en) * | 2007-10-12 | 2009-04-23 | Lianggui Gong | Ice-melting device for bundle conductor transmission line and thereof method |
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