CN108599072A - A kind of line protective devices - Google Patents
A kind of line protective devices Download PDFInfo
- Publication number
- CN108599072A CN108599072A CN201810707210.2A CN201810707210A CN108599072A CN 108599072 A CN108599072 A CN 108599072A CN 201810707210 A CN201810707210 A CN 201810707210A CN 108599072 A CN108599072 A CN 108599072A
- Authority
- CN
- China
- Prior art keywords
- protective devices
- steel tower
- line protective
- square
- steel
- 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.)
- Pending
Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 36
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 68
- 239000010959 steel Substances 0.000 claims abstract description 68
- 239000012212 insulator Substances 0.000 claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 6
- 239000008397 galvanized steel Substances 0.000 claims description 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 238000013024 troubleshooting Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000012876 topography Methods 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 230000001629 suppression Effects 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
- H02G7/14—Arrangements or devices for damping mechanical oscillations of lines, e.g. for reducing production of sound
-
- 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
Landscapes
- Insulators (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention discloses a kind of line protective devices, including supporting insulator (33), the connecting tube (32) being fixedly connected with the supporting insulator (33) first end, the ball-eye being connect with the connecting tube (32) other end, the steel tower interconnecting piece (31) being connect with the ball-eye, the second end of the supporting insulator (33) is connect with power transmission line (4), the L-square of the steel tower interconnecting piece (31) can be contacted with two angle steel faces of steel tower cross-arm (1) and is bolted in two contact surfaces, the line protective devices (3), the steel tower cross-arm (1) is triangular in shape with the insulator chain (2) for connecting the steel tower cross-arm (1) and the power transmission line (4).The line protective devices efficiently solve the windproof technical problem of wind power plant distribution system, reduce the equipment extent of damage, reduce accidental shutdown range, shorten troubleshooting time, reduce economic loss.
Description
Technical field
The present invention relates to the windproof protection technique fields of circuit, more particularly to a kind of line protective devices.
Background technology
High pressure power transmission and distribution cause alternate conducting wire to do the dances of different directions due to each circuit mounting means and weather conditions difference
It is dynamic, and stress is complicated, and circuit phase and phase short circuit trip-out rate is higher, is seriously threatened to line insulator service life, will
Directly influence transmission line of electricity reliability of operation and safety.
For example, the wind power plant positioned at coastal area, due to being located in subtropical zone monsoon region, by the Pacific Ocean and marine climate shadow
It rings, is one of the area that Activities of Tropical Cyclone is frequently invaded and passed through.May all there be Landed Typhoon in annual April~November, with 7,
8,9 three months are more, appear in April earliest, appear in November at the latest, there is 1.5 typhoon fronts or side per annual according to statistics
Face attacks, and wind power plant power equipment has different degrees of be damaged every year because of the reasons such as typhoon.Particularly with wind power plant topography
Higher, west and south topography is relatively low, and Southern Coast, bay is longer, there is mountainous region, hills, tableland Plain landforms, and landform is more complicated,
Shaft tower, circuit are largely erected at the mountain ridge, are influenced by Super Typhoon, and it is more that the phenomenon of falling tower occurs in wind power plant.Broken string, tower show
As being difficult to prevent, and complicated landform brings huge difficulty to line inspection, troubleshooting, hidden danger elimination.
In conclusion how to be directed to line oscillation problem, the windproof technical problem of wind power plant distribution system is efficiently solved,
The problems such as reducing the equipment extent of damage, reducing accidental shutdown range, shorten troubleshooting time, reduce economic loss, is current
Those skilled in the art's urgent problem.
Invention content
The object of the present invention is to provide a kind of line protective devices, which efficiently solves wind power plant and matches
The windproof technical problem of electric system, reduces the equipment extent of damage, when reducing accidental shutdown range, shortening troubleshooting
Between, reduce economic loss.
In order to solve the above technical problems, the present invention provides the following technical solutions：
A kind of line protective devices, including supporting insulator, the connection that is fixedly connected with the supporting insulator first end
Pipe, the ball-eye being connect with the connecting tube other end, the steel tower interconnecting piece being connect with the ball-eye, the support are exhausted
The second end of edge is connect with power transmission line, and the L-square of the steel tower interconnecting piece can be contacted with two angle steel faces of steel tower cross-arm
And be bolted in two contact surfaces, the line protective devices, the steel tower cross-arm and it connect the steel tower cross-arm
It is triangular in shape with the insulator chain of the power transmission line.
Preferably, the steel tower interconnecting piece includes two L-squares, and the angle steel of the steel tower cross-arm is sandwiched in two institutes
It states between L-square.
Preferably, the first side of the outside L-square of the steel tower interconnecting piece is welded with connecting plate, has on the connecting plate
There are through-hole, the ball-eye to be bolted with the connecting plate.
Preferably, the quantity of the connecting plate is two pieces, and the ball-eye inserts between two pieces of connecting plates up and down.
Preferably, the connecting plate is parallel with the second side of outside L-square, one piece of connecting plate with it is described outer
The distance of the second side of side L-square is 2-3mm, and the second side distance of another piece of connecting plate and the outside L-square is
4-6mm。
Preferably, the length of the connecting plate is 7-9mm, a diameter of 19-21mm of the through-hole, is connected described in centre distance
The side 2-3mm of fishplate bar.
Preferably, the L-square and the connecting plate are Hot-dip zinc-coated flat steel sheet, and the connecting tube is hot galvanized steel pipe.
Preferably, outside L-square and inside L-square are held by 90 degree of the band steel of 23-25cm and 21-22cm curved respectively
Molding.
Preferably, the hot galvanized steel pipe is wrapped with heat-shrink tube.
Line protective devices provided by the present invention, including supporting insulator, connecting tube, ball-eye, steel tower interconnecting piece,
Supporting insulator can be compound needle type insulator.Connecting tube is fixedly connected with supporting insulator first end, ball-eye and company
The other end connection taken over, steel tower interconnecting piece are connect with ball-eye.The second end of supporting insulator is connect with power transmission line, is passed through
Bolt clip plate fastens, and the L-square of steel tower interconnecting piece can contact and equal in two contact surfaces with two angle steel faces of steel tower cross-arm
Be bolted, encase the angle steel of steel tower cross-arm, fastening bolt, when necessary the bolt of movable ball-eye be adjusted to close
It sets right position.The L-square of steel tower interconnecting piece is connect with the angle steel two sides of steel tower cross-arm, and bonding strength is higher, and junction is not easy to shake
Dynamic, rotation, it is more firm.Insulator chain, insulator chain, line protective devices and iron are connected between steel tower cross-arm and power transmission line
Connection relation triangular in shape between tower cross-arm three, stable structure can preferably inhibit conductor galloping.
Line protective devices provided by the present invention install additional in the middle part of every base tangent suspension tower is per phase cross-arm and carry supports insulative
The line protective devices of son, are supported on power transmission line, generally form Three-dimensional triangle support, to prevent circuit wind swing, suppression
It makes alternate conducting wire different directions to wave, avoids earth fault, ensure transmission line of electricity reliability of operation and safety.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of mounting structure schematic diagram for the line protective devices that specific implementation mode is provided in the present invention；
It is marked in attached drawing as follows：
1- steel towers cross-arm, 2- insulator chains, 3- line protective devices, 4- power transmission lines, 31- steel towers interconnecting piece, 32- connections
Pipe, 33- supporting insulators.
Specific implementation mode
Core of the invention is to provide a kind of line protective devices, which efficiently solves wind power plant and match
The windproof technical problem of electric system, reduces the equipment extent of damage, when reducing accidental shutdown range, shortening troubleshooting
Between, reduce economic loss.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to FIG. 1, Fig. 1 is a kind of mounting structure for the line protective devices that specific implementation mode is provided in the present invention
Schematic diagram.
In a specific embodiment, line protective devices provided by the present invention, including supporting insulator 33, connection
Pipe 32, ball-eye, steel tower interconnecting piece 31, supporting insulator 33 can be compound needle type insulator.Connecting tube 32 is exhausted with support
33 first end of edge is fixedly connected, and ball-eye is connect with the other end of connecting tube 32, and steel tower interconnecting piece 31 connects with ball-eye
It connects.The second end of supporting insulator 33 is connect with power transmission line 4, is fastened by bolt clip plate, the L-square energy of steel tower interconnecting piece 31
It is enough to contact with two angle steel faces of steel tower cross-arm 1 and be bolted in two contact surfaces, encase the angle of steel tower cross-arm 1
Steel, fastening bolt, when necessary the bolt of movable ball-eye be adjusted to suitable position.The L-square of steel tower interconnecting piece 31 with
The angle steel two sides of steel tower cross-arm 1 connects, and bonding strength is higher, and junction is not easy to shake, rotate, more firm.1 He of steel tower cross-arm
It is connected with insulator chain 2 between power transmission line 4, it is triangular in shape between 1 three of insulator chain 2, line protective devices 3 and steel tower cross-arm
Connection relation, stable structure can preferably inhibit power transmission line 4 to wave.
Line protective devices provided by the present invention install additional in the middle part of every base tangent suspension tower is per phase cross-arm and carry supports insulative
The line protective devices 3 of son 33, are supported on power transmission line 4, generally form Three-dimensional triangle support, to prevent circuit windage yaw from putting
It is dynamic, inhibit alternate conducting wire different directions to wave, avoid earth fault, ensures 4 tunnel reliability of operation of power transmission line and safety
Property.
Above-mentioned line protective devices are only a kind of preferred embodiments, are specifically not limited thereto, on this basis can be according to reality
Border needs to make with targetedly adjusting, and to obtain different embodiments, steel tower interconnecting piece 31 includes two L-squares,
Respectively inside L-square and outside L-square, the angle steel of steel tower cross-arm 1 are sandwiched between two L-squares, the angle of steel tower cross-arm 1
It is contacted respectively with inside L-square and outside L-square inside and outside steel, increases the contact area of L-square and angle steel, connection is strong
Degree increases, and line protective devices 3 are not easy to shake in junction, and stability between the two further increases.
On the basis of above-mentioned specific implementation mode, those skilled in the art can be according to the difference of specific occasion, to line
Line protection device carries out several changes, and the first side of the outside L-square of steel tower interconnecting piece 31 is welded with connecting plate, convenient and ball
Bulb hanging ring connects.There is through-hole, ball-eye to be bolted with connecting plate on connecting plate, detachable connection, connection
It is convenient, it is readily disassembled.
Obviously, under the guidance of this thought, those skilled in the art can be according to the difference of specific occasion to above-mentioned
Specific implementation mode carries out several changes, and the quantity of connecting plate is two pieces, and ball-eye inserts between two pieces of connecting plates up and down, protects
The bonding strength of connecting plate and ball-eye, Bidirectional clamping ball-eye are demonstrate,proved, ball-eye is not easy to deflect, stable structure.
It is important to note that line protective devices provided by the present invention are not intended to be limited to such situation, connection
Plate is parallel with the second side of outside L-square, and stress is more uniform.One piece of connecting plate is at a distance from the second side of outside L-square
For 2-3mm, for example it is 2.5mm, the second side distance of another piece of connecting plate and outside L-square is 4-6, for example is 5mm, structure
Compact, intensity is higher.
Line protective devices provided by the present invention, immovable in other components, the length of connecting plate is 7-
9mm, for example be 8mm, a diameter of 19-21mm of through-hole, for example be 20mm, the side 2-3mm of centre distance connecting plate, such as
2.5mm, connecting plate length is shorter, not pliable.
For the line protective devices in above-mentioned each embodiment, L-square and connecting plate are Hot-dip zinc-coated flat steel sheet, connecting tube
32 be hot galvanized steel pipe, and stability is preferable, and intensity is higher, is influenced by extraneous factor smaller.
In order to advanced optimize above-mentioned technical proposal, outside L-square and inside L-square are different by two root long degree respectively
90 degree of band steel hold roll forming, the length of two band steels can be 23-25cm, for example be 24cm and 21-22cm, for example, for
22cm, 90 degree of band steel hold roll forming, and easily processed into type, intensity is larger.
On the basis of above-mentioned each specific embodiment, hot galvanized steel pipe is wrapped with heat-shrink tube, suitable length heat-shrink tube
Put it is zinc-plated encase coating steel pipe, baking be allowed to steel tube seamless gap, silver color can be sprayed with solder joint from fountain, use to be done is not easy
It gets rusty, corrode.
The embodiment of the present invention is described below in detail, the example of embodiment is shown in the accompanying drawings, wherein identical from beginning to end
Or similar label indicates same or similar element or element with the same or similar functions.It is retouched below with reference to attached drawing
The embodiment stated is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as pair
The limitation of the present invention.In the description of the present invention, the meaning of " plurality " is two or more unless otherwise indicated.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；Can also be to be connected directly, can also be indirectly connected through an intermediary, can
To be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned term with concrete condition
Concrete meaning in the present invention.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (9)
1. a kind of line protective devices, which is characterized in that including supporting insulator (33) and the supporting insulator (33) first
It holds the connecting tube (32) being fixedly connected, the ball-eye being connect with the connecting tube (32) other end, connect with the ball-eye
The second end of the steel tower interconnecting piece (31) connect, the supporting insulator (33) is connect with power transmission line (4), the steel tower interconnecting piece
(31) L-square can be contacted with two angle steel faces of steel tower cross-arm (1) and is bolted in two contact surfaces, institute
State line protective devices (3), the steel tower cross-arm (1) and the insulator for connecting the steel tower cross-arm (1) and the power transmission line (4)
String (2) is triangular in shape.
2. line protective devices according to claim 1, which is characterized in that the steel tower interconnecting piece (31) includes two institutes
L-square is stated, the angle steel of the steel tower cross-arm (1) is sandwiched between two L-squares.
3. line protective devices according to claim 2, which is characterized in that the outside right angle of the steel tower interconnecting piece (31)
First side of plate is welded with connecting plate, and there is through-hole, the ball-eye to pass through bolt with the connecting plate on the connecting plate
Connection.
4. line protective devices according to claim 2, which is characterized in that the quantity of the connecting plate is two pieces, described
Ball-eye inserts between two pieces of connecting plates up and down.
5. line protective devices according to claim 4, which is characterized in that the connecting plate and the outside L-square
The second side is parallel, and one piece of connecting plate is 2-3mm, another piece of connection at a distance from the second side of the outside L-square
The second side distance of plate and the outside L-square is 4-6mm.
6. line protective devices according to claim 4, which is characterized in that the length of the connecting plate is 7-9mm, described
A diameter of 19-21mm of through-hole, the side 2-3mm of connecting plate described in centre distance.
7. according to claim 1-6 any one of them line protective devices, which is characterized in that the L-square and the connection
Plate is Hot-dip zinc-coated flat steel sheet, and the connecting tube (32) is hot galvanized steel pipe.
8. line protective devices according to claim 7, which is characterized in that outside L-square and inside L-square lead to respectively
90 degree of band steel for crossing 23-25cm and 21-22cm holds roll forming.
9. line protective devices according to claim 7, which is characterized in that the hot galvanized steel pipe is wrapped with pyrocondensation
Pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810707210.2A CN108599072A (en) | 2018-07-02 | 2018-07-02 | A kind of line protective devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810707210.2A CN108599072A (en) | 2018-07-02 | 2018-07-02 | A kind of line protective devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108599072A true CN108599072A (en) | 2018-09-28 |
Family
ID=63635492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810707210.2A Pending CN108599072A (en) | 2018-07-02 | 2018-07-02 | A kind of line protective devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108599072A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110011249A (en) * | 2019-04-29 | 2019-07-12 | 江苏神马电力股份有限公司 | Windproof extended arm and power transmission tower |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202167811U (en) * | 2011-08-26 | 2012-03-14 | 安徽省电力设计院 | Arrangement structure of rigid jumper asymmetrical V-shaped insulator strings of transmission line |
| CN202401815U (en) * | 2011-12-05 | 2012-08-29 | 张晨 | Novel composite insulator cross arm repairing tower of 220 kV electric transmission line |
| CN103325500A (en) * | 2013-06-02 | 2013-09-25 | 国家电网公司 | Straight line insulator with light reflecting device |
| CN206189987U (en) * | 2016-09-22 | 2017-05-24 | 国核电力规划设计研究院 | Cup -shaped tangent tower of transmission line |
| CN208835704U (en) * | 2018-07-02 | 2019-05-07 | 华润新能源（阳江）风能有限公司 | A kind of line protective devices |
-
2018
- 2018-07-02 CN CN201810707210.2A patent/CN108599072A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202167811U (en) * | 2011-08-26 | 2012-03-14 | 安徽省电力设计院 | Arrangement structure of rigid jumper asymmetrical V-shaped insulator strings of transmission line |
| CN202401815U (en) * | 2011-12-05 | 2012-08-29 | 张晨 | Novel composite insulator cross arm repairing tower of 220 kV electric transmission line |
| CN103325500A (en) * | 2013-06-02 | 2013-09-25 | 国家电网公司 | Straight line insulator with light reflecting device |
| CN206189987U (en) * | 2016-09-22 | 2017-05-24 | 国核电力规划设计研究院 | Cup -shaped tangent tower of transmission line |
| CN208835704U (en) * | 2018-07-02 | 2019-05-07 | 华润新能源（阳江）风能有限公司 | A kind of line protective devices |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110011249A (en) * | 2019-04-29 | 2019-07-12 | 江苏神马电力股份有限公司 | Windproof extended arm and power transmission tower |
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