CN111048267A - Wind vibration resistant fixed suspension insulator string and working method thereof - Google Patents
Wind vibration resistant fixed suspension insulator string and working method thereof Download PDFInfo
- Publication number
- CN111048267A CN111048267A CN202010074230.8A CN202010074230A CN111048267A CN 111048267 A CN111048267 A CN 111048267A CN 202010074230 A CN202010074230 A CN 202010074230A CN 111048267 A CN111048267 A CN 111048267A
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- Prior art keywords
- suspension
- ring
- type ring
- wind
- bolt
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- 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
- H01B17/04—Chains; Multiple chains
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- 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
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- 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
- H01B17/10—Fastening of insulator to support, to conductor, or to adjoining insulator by intermediate link
Abstract
The invention relates to a wind and vibration resistant fixed suspension insulator string, which is characterized in that: including composite insulator and suspension clamp, composite insulator is including a plurality of umbelliform collets and the plug that concatenates the collets together, the plug lower extreme has set firmly the ring, is connected through the U type ring of ring with the suspension clamp, the suspension clamp is including the fastener body, and this fastener body includes two tops articulated chucks mutually, and two chuck middle parts are seted up the semicircle groove respectively towards two chucks in its contact surface punishment, and two semicircle groove combinations form the circular slot that supplies the insulated conductor installation, the fastener body is installed inside the U type ring, and U type ring opening down, and this U type ring lower extreme wears out the U type ring through first bolt in proper order screw in U type ring, behind the fastener body and fasten after the U type ring, this fixed suspension insulator cluster of anti-wind vibration simple structure, effectively reduces the external wear of insulated conductor.
Description
Technical Field
The invention relates to a wind and vibration resistant fixed suspension insulator string and a working method thereof.
Background
The annual average wind speed and the annual average large wind day number in coastal areas are obviously larger than those in inland areas, and the distribution network overhead line is greatly influenced by wind vibration. The wire on the straight line pole of the current distribution network overhead line is usually fixed on a column insulator by adopting a binding wire or a wire clamp, and is influenced by wind load and the sag of the wire, and the stress borne by the binding and fixing part of the wire is the largest. Under the action of long-time wind power, the wires are easy to generate breeze vibration, so that mechanical fatigue occurs at the binding and fixing part of the wires, the wires at the part are damaged, and finally a serious accident of wire breakage is evolved.
Disclosure of Invention
In view of the defects of the prior art, the technical problem to be solved by the invention is to provide a wind-vibration-resistant fixed suspension insulator string, change the traditional mode that an insulated wire is fixedly supported by a column insulator, and provide the fixed suspension insulator string which is matched with a suspension clamp at the end part of a supporting insulator to fix the insulated wire. The insulator string is adopted to suspend and erect the insulated conductor, and original mechanical stress generated on the insulated conductor is transmitted to the suspension clamp, so that the insulated conductor at a fixed position is prevented from being mechanically damaged.
In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a fixed suspension insulator chain of anti wind vibration, including composite insulator and suspension clamp, composite insulator is including the insulating block of a plurality of umbelliforms and concatenate the plug together with the insulating block, the plug lower extreme has set firmly the ring, is connected through the U type ring of ring and suspension clamp, suspension clamp is including the fastener body, and this fastener body includes two tops articulated chucks of each other, and two chuck middle parts are do not seted up the semicircle recess towards two chucks in its contact surface punishment, and two semicircle recess combinations form the circular recess that supplies the insulated conductor installation, the fastener body is installed inside the U type ring, and U type ring opening down, and this U type ring lower extreme is worn out the U type ring through first bolt behind U type ring outside screw in proper order U type ring, the fastener body and is fastened.
Furthermore, the opening direction of the circular groove is perpendicular to the screwing direction of the first bolt, and the circular groove penetrates through the wire clamp body.
Furthermore, the lower end parts of the two clamping heads are horizontally screwed and fastened through a second bolt so as to fasten the insulated wire in the circular groove.
Furthermore, two second bolts are installed and are installed on the two sides of the first bolt respectively, and elastic pads and flat pads are arranged on the contact side pads of the nuts of the second bolts and the outer surface of the wire clamp main body.
Furthermore, a cotter pin is inserted into one side of the first bolt penetrating out of the U-shaped ring so as to prevent the first bolt from being separated after long-term use.
Further, the rubber tile is installed on the inner wall side of the circular groove, namely, the rubber tile is contacted with the insulated wire after the insulated wire is inserted and installed so as to reduce the abrasion of the insulated wire.
Furthermore, the core rod is vertically arranged, the insulating blocks are uniformly distributed on the core rod in the vertical direction, and the top of the U-shaped ring is hung on the circular ring.
A working method of a wind vibration resistant fixed suspension insulator string comprises the following steps: the upper end of a composite insulator is fixed on a pole tower, a suspension wire is hung at the lower end of the composite insulator, an insulated wire penetrates through a circular groove, a second locking bolt is used for clamping the insulated wire, a first bolt is screwed at last, a split pin is inserted, the installation is completed, when the composite insulator is influenced by wind power, through a ring-ring connecting structure adopted by the composite insulator and the suspension wire clamp, the suspension wire clamp can swing freely on a large scale, the stress of the composite insulator is reduced, the suspension of the insulated wire is erected, the original mechanical stress generated on the insulated wire is transmitted to the suspension wire clamp, and the mechanical damage of the insulated wire at a fixed position is avoided.
Compared with the prior art, the invention has the following beneficial effects: the ring-ring connecting structure is adopted by the composite insulator and the suspension clamp, so that the suspension clamp can swing freely in a large range, the stress of the composite insulator is reduced, the insulated conductor is suspended and erected, and the original mechanical stress generated on the insulated conductor is transferred to the suspension clamp, so that the insulated conductor at a fixed part is prevented from being mechanically damaged; by adopting the rubber tiles, the external abrasion of the insulated wire is effectively reduced.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a schematic configuration diagram of an embodiment of the present invention;
FIG. 2 is a right side view of FIG. 1;
fig. 3 is a schematic structural view of a composite insulator according to an embodiment of the present invention;
FIG. 4 is a schematic view of the construction of a suspension clamp in an embodiment of the invention;
fig. 5 is a right side view of fig. 4.
In the figure: 1-composite insulator, 2-suspension clamp, 3-insulating block, 4-core rod, 5-circular ring, 6-U-shaped ring, 7-clamp body, 8-clamping head, 9-semicircular groove, 10-circular groove, 11-first bolt, 12-second bolt, 13-elastic pad, 14-flat pad, 15-split pin and 16-rubber tile.
Detailed Description
In order to make the aforementioned and other features and advantages of the invention more comprehensible, embodiments accompanied with figures are described in detail below.
As shown in fig. 1-5, a fixed suspension insulator chain of anti-wind-vibration, including composite insulator 1 and suspension clamp 2, composite insulator is including a plurality of umbelliform collets 3 and with collets concatenate core rod 4 together, the core rod lower extreme has set firmly ring 5, is connected through ring 6 with suspension clamp's U type ring, suspension clamp is including fastener body 7, and this fastener body includes two tops articulated chuck 8 each other, and two chuck middle parts are respectively towards having seted up half slot 9 in two chucks from its contact surface punishment, and two half slot combinations form the circular slot 10 that supplies the insulated wire installation, the fastener body is installed inside U type ring, and U type ring opening down, and this U type ring lower extreme passes through first bolt 11 and wears out the U type ring from the U type ring outside in proper order and fasten after U type ring, the fastener body.
In the embodiment of the invention, the opening direction of the circular groove is vertical to the screwing direction of the first bolt, and the circular groove penetrates through the wire clamp body.
In the embodiment of the invention, the lower ends of the two clamping heads are horizontally screwed and fastened through the second bolt 12 to fasten the insulated wires in the circular groove.
In the embodiment of the invention, two second bolts are arranged and are respectively arranged at two sides of the first bolt, and an elastic pad 13 and a flat pad 14 are arranged on the side of the nut of the second bolt, which is contacted with the outer surface of the clamp main body.
In the embodiment of the invention, a cotter pin 15 is inserted at one side of the first bolt which penetrates out of the U-shaped ring so as to prevent the first bolt from being separated after long-term use.
In the embodiment of the invention, the rubber tile 16 is installed on the inner wall side of the circular groove, namely, the rubber tile is contacted with the insulated conductor after the insulated conductor is inserted and installed so as to reduce the abrasion of the insulated conductor.
In the embodiment of the invention, the core rod is vertically arranged, the insulating blocks are uniformly distributed on the core rod along the vertical direction, and the top of the U-shaped ring is hung on the circular ring.
A working method of a wind vibration resistant fixed suspension insulator string is carried out according to the following steps: the composite insulator upper end is fixed on a pole tower (the pole tower is a main supporting structure for supporting a power transmission line in an overhead power transmission line), a suspension wire clamp is hung at the lower end of the composite insulator, an insulated wire penetrates through a circular groove, a second bolt is locked to clamp the insulated wire, a first bolt is screwed at last, a split pin is inserted, and the installation is completed.
The present invention is not limited to the above preferred embodiments, and various other types of fixed suspension insulator strings resisting wind vibration and working methods thereof can be obtained by anyone in the light of the present invention. All equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.
Claims (8)
1. The utility model provides a fixed insulator chain that dangles that anti wind shakes which characterized in that: including composite insulator and suspension clamp, composite insulator is including a plurality of umbelliform collets and the plug that concatenates the collets together, the plug lower extreme has set firmly the ring, is connected through the U type ring of ring with the suspension clamp, the suspension clamp is including the fastener body, and this fastener body includes two tops articulated chucks mutually, and two chuck middle parts are seted up the semicircle groove respectively towards two chucks in its contact surface punishment, and two semicircle groove combinations form the circular slot that supplies the insulated conductor installation, the fastener body is installed inside the U type ring, and U type ring opening down, and this U type ring lower extreme is worn out the U type ring and is fastened through first bolt behind U type ring outside screw in proper order U type ring, the fastener body.
2. A wind vibration resistant stationary suspension insulator string according to claim 1 wherein: the opening direction of the circular groove is perpendicular to the screwing direction of the first bolt, and the circular groove penetrates through the wire clamp body.
3. A wind-vibration resistant fixed suspension insulator string according to claim 2, wherein: the lower ends of the two chucks are horizontally screwed and fastened through a second bolt so as to fasten the insulated wire in the circular groove.
4. A wind vibration resistant stationary suspension insulator string according to claim 3 wherein: the second bolts are installed in two and are respectively installed on two sides of the first bolt, and elastic pads and flat pads are arranged on the contact side pads of the nuts of the second bolts and the outer surface of the wire clamp main body.
5. A wind vibration resistant stationary suspension insulator string according to claim 1 wherein: a cotter pin is inserted at one side of the first bolt penetrating out of the U-shaped ring so as to prevent the first bolt from being separated after long-time use.
6. A wind vibration resistant stationary suspension insulator string according to claim 1 wherein: the rubber tile is installed to circular slot inner wall side, inserts the wearing and tearing with the rubber tile in order to reduce insulated wire promptly after the installation with the insulated wire.
7. A wind vibration resistant stationary suspension insulator string according to claim 1 wherein: the core rod is vertically arranged, the insulating blocks are uniformly distributed on the core rod in the vertical direction, and the top of the U-shaped ring is hung on the circular ring.
8. A method of operating a wind-resistant fixed suspension insulator string, characterised by using a wind-resistant fixed suspension insulator string according to any one of claims 1 to 7, and by the steps of: the upper end of a composite insulator is fixed on a pole tower, a suspension wire is hung at the lower end of the composite insulator, an insulated wire penetrates through a circular groove, a second locking bolt is used for clamping the insulated wire, a first bolt is screwed at last, a split pin is inserted, the installation is completed, when the composite insulator is influenced by wind power, through a ring-ring connecting structure adopted by the composite insulator and the suspension wire clamp, the suspension wire clamp can swing freely on a large scale, the stress of the composite insulator is reduced, the suspension of the insulated wire is erected, the original mechanical stress generated on the insulated wire is transmitted to the suspension wire clamp, and the mechanical damage of the insulated wire at a fixed position is avoided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010074230.8A CN111048267A (en) | 2020-01-22 | 2020-01-22 | Wind vibration resistant fixed suspension insulator string and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010074230.8A CN111048267A (en) | 2020-01-22 | 2020-01-22 | Wind vibration resistant fixed suspension insulator string and working method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111048267A true CN111048267A (en) | 2020-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010074230.8A Pending CN111048267A (en) | 2020-01-22 | 2020-01-22 | Wind vibration resistant fixed suspension insulator string and working method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111048267A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111834059A (en) * | 2020-07-23 | 2020-10-27 | 李玉凤 | Combined power insulator assembly |
-
2020
- 2020-01-22 CN CN202010074230.8A patent/CN111048267A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111834059A (en) * | 2020-07-23 | 2020-10-27 | 李玉凤 | Combined power insulator assembly |
| CN111834059B (en) * | 2020-07-23 | 2021-11-19 | 于广 | Combined power insulator assembly |
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