CN110137889A - A kind of anti-dancing device of New Damping type - Google Patents
A kind of anti-dancing device of New Damping type Download PDFInfo
- Publication number
- CN110137889A CN110137889A CN201910544994.6A CN201910544994A CN110137889A CN 110137889 A CN110137889 A CN 110137889A CN 201910544994 A CN201910544994 A CN 201910544994A CN 110137889 A CN110137889 A CN 110137889A
- Authority
- CN
- China
- Prior art keywords
- wirerope
- conducting wire
- composite insulator
- cable
- dancing device
- 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
- 238000013016 damping Methods 0.000 title claims abstract description 19
- 239000004020 conductor Substances 0.000 claims abstract description 21
- 230000005484 gravity Effects 0.000 claims abstract description 20
- 239000000725 suspension Substances 0.000 claims abstract description 20
- 125000006850 spacer group Chemical group 0.000 claims abstract description 14
- 239000012212 insulator Substances 0.000 claims description 47
- 239000002131 composite material Substances 0.000 claims description 45
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 210000005069 ears Anatomy 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 4
- 230000005764 inhibitory process Effects 0.000 abstract description 3
- 150000001875 compounds Chemical class 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- 230000035939 shock 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
- H02G7/12—Devices for maintaining distance between parallel conductors, e.g. spacer
- H02G7/125—Damping spacers
-
- 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
A kind of anti-dancing device of New Damping type provided by the invention, cable, suspension spring damper and gravity type concrete foundation are drawn including wirerope, wherein, one end of suspension spring damper is mounted in gravity type concrete foundation, and the other end is drawn by wirerope at the minimum arc sag point of the cable arc sag that is mounted on conducting wire or on the frame for the conductor spacer being fixed on conducting wire；The present invention can effectively prevent conductor galloping, and especially inhibition conducting wire is waved up and down, the configuration of the present invention is simple, be suitably adapted for the conducting wire of various different division numbers.
Description
Technical field
The present invention relates to a kind of power transmission line line protection devices, and in particular to a kind of anti-dancing device of New Damping type.
Background technique
Overhead transmission line galloping is a kind of self-excited vibration of low frequency large amplitude, and vertical movement accounts for mainly in waving
Movement.It waves and is likely to result in short-circuit between conductors and ground short circuit, caused loss includes electric arc burn, stranded, broken string, shaft tower
It damages, tower, stockbridge damper and conductor spacer damage etc., especially for ice coating wire, its damage is even more serious, if cannot be effective
Inhibition wave, serious economic loss and power grid safety accident can be brought.
Transmission line of electricity is with the promotion of voltage class, and using the split conductor of different division numbers, and split conductor more holds
It easily waves, so urgent for extra-high voltage and supertension line needs develops corresponding effective anti-dancing device.It is existing
Inter-phase spacer, anti-dancing device etc., can reduce the degree waved to a certain extent, but be difficult to meet the requirements, and existing
With the presence of the rigid Fracture Force of the anti-dancing device of correlation insulation bracing wire, in certain situation, broken string, the accidents such as tower will also result in.
Summary of the invention
The purpose of the present invention is to provide a kind of anti-dancing device of New Damping type, solve it is existing in the prior art not
Foot.
In order to achieve the above object, the technical solution adopted by the present invention is that:
A kind of anti-dancing device of New Damping type provided by the invention, including wirerope draw cable, suspension spring damper and again
Power formula concrete foundation, wherein one end of suspension spring damper is mounted in gravity type concrete foundation, and the other end passes through steel
Cord is drawn at the minimum arc sag point of the cable arc sag that is mounted on conducting wire or on the frame for the conductor spacer being fixed on conducting wire.
Preferably, suspension spring damper includes shell, pull rod, spring, pressing plate and rotating nuts, wherein shell is U-shaped
Structure, one end of pull rod pass through the top of shell and are placed in the outside of shell and connect with wirerope drawing cable, and the other end of pull rod is set
In the inner cavity of shell, meanwhile, spring, pressing plate and rotating nuts are successively set in the section；
The two sides of the open end of shell, which are provided with, picks up the ears, and realizes the connection with gravity type concrete foundation by picking up the ears.
Preferably, pull rod and wirerope draw and are provided with pull ring between cable.
Preferably, wirerope draws and is provided with composite insulator between cable and conducting wire.
Preferably, the upper end of composite insulator is connected on conducting wire or is fixed on the conductor spacer on conducting wire by the first fitting
Frame on.
Preferably, the first fitting includes the first U-shaped link, the first yoke plate, right angle hanging plate and ball-clevis, wherein the first U
Type link is mounted at the minimum arc sag point of conducting wire or on the frame of conductor spacer, and the open end of the first U-shaped link is successively with first
Yoke plate, right angle hanging plate are connected with ball-clevis, and the open end of ball-clevis is connect with composite insulator.
Preferably, wirerope draws and is connected between cable and composite insulator by the second fitting.
Preferably, the second fitting include the second U-shaped link, the second yoke plate and socket-clevis eye, wherein composite insulator it is another
One end is successively connect with socket-clevis eye, the second yoke plate and the second U-shaped link, and the free end of the second U-shaped link and wirerope draw cable
Connection.
Preferably, one end of composite insulator is steel cap structure, and the other end is ball head structure；The steel cap structure is set on end
It is equipped with bulb card slot.
Preferably, composite insulator is provided with several, is connected in series between several composite insulators, is placed in upper end
The ball head structure of composite insulator is installed in the bulb card slot on the composite insulator for being placed in lower end, and passes through pin solid lock.
Compared with prior art, the beneficial effects of the present invention are:
A kind of anti-dancing device of New Damping type provided by the invention provides certain gravity by gravity type concrete foundation,
Uplift force when equalizing contactor is waved offsets instantaneous impact when conductor galloping by suspension spring damper, i.e. conducting wire is waved
Dynamic instantaneous uplift force, and prevent the line-outage contingency etc. in the case where rigidly drawing the effect of cable Hard link；The present invention can be prevented effectively
Conductor galloping, especially inhibition conducting wire are waved up and down, the configuration of the present invention is simple, are suitably adapted for the conducting wire of various different division numbers.
Further, the insulation safety for ensuring anti-dancing device anti-dance device is realized by composite insulator.
Further, the upper end of composite insulator is connected at the minimum pendency of conducting wire or fixation by the first fitting
On the frame of conductor spacer on conducting wire, the upper end of cable is drawn to be connected under composite insulator on wirerope by the second fitting
End, the first fitting and the second fitting are connected to composite insulator in anti-dancing device as combination hardware fitting, and insulation safety is reliable,
All components are power utility fitting, and non-dedicated fitting is at low cost, easy to operate.
Detailed description of the invention
Fig. 1 is anti-dance apparatus structure schematic diagram of the present invention；
Fig. 2 is suspension spring shock absorber structure schematic diagram；
Fig. 3 is conducting wire, composite insulator, wirerope drawing cable connected mode schematic diagram；
Fig. 4 is conductor spacer, composite insulator, wirerope drawing cable connected mode schematic diagram；
In figure, 1, conducting wire 2, composite insulator 3, wirerope drawing cable 4, suspension spring damper 5, concrete foundation 6, interval
Stick 70, the first U-shaped link 71, the second U-shaped link 80, the first yoke plate 81, the second yoke plate 9, right angle hanging plate 10, ball-clevis 11,
Socket-clevis eye 12, pull ring 13, shell 14, pull rod 15, spring 16, pressing plate 17, nut.
Specific embodiment
With reference to the accompanying drawing, the present invention is described in more detail.
As shown in Figure 1, a kind of anti-dancing device of New Damping type provided by the invention, including composite insulator 2, wirerope are drawn
Cable 3, suspension spring damper 4 and gravity type concrete foundation 5, wherein the upper end of gravity type concrete foundation 5 is above ground level about
50 centimetres, foundation bolt is poured on upper surface, the lower part of gravity type concrete foundation 5 is placed in melt pit；Gravity type coagulation
The main function of earth foundation 5 is to provide certain gravity, uplift force when equalizing contactor is waved, the requirement of gravity type concrete foundation 5
Meet the safety coefficient of three times, i.e. conductor galloping uplift force of the gravity equal to three times.
One end of suspension spring damper 4 is mounted in gravity type concrete foundation 5, and the other end draws cable 3 by wirerope
It is connect with one end of compound composite insulator 2, the other end of composite insulator 2 is mounted on the minimum arc sag point of the arc sag of conducting wire 1
Place.
As shown in Fig. 2, suspension spring damper 4 includes shell 13, pull rod 14, spring 15, pressing plate 16 and rotating nuts 17,
Wherein, shell 13 be U-shaped structure, the two sides of the open end of the U-shaped structure, which are provided with, picks up the ears, each pick up the ears on offer screw thread
Hole, the threaded hole fitted bolt realize the connection with gravity type concrete foundation 5.
The outside that the top that one end of pull rod 14 passes through shell 13 is placed in shell 13 draws cable 3 to connect with wirerope, pull rod 14
The other end be placed in the inner cavity of shell 13, and the end is equipped with pressing plate 16 and rotating nuts 17；Spring 15 is placed in 13 He of shell
Between pressing plate 16, meanwhile, spring 15 is sleeved on pull rod 14；By the elongation of 17 adjustment spring 15 of rotating nuts so as to adjust
Spring force.
Pull rod 14 and wirerope draw and are provided with pull ring 12 between cable 3.
The lower end of shell 13 is provided with flange, and foundation bolt via hole is provided on flange, and shell 13 passes through gravity type coagulation
The foundation bolt of 5 upper end of earth foundation is fixed on the upper end of gravity type concrete foundation 5；Pull ring 12, spring 15 are up pulled in this way
It further compresses, the pulling force needed in drawing process is also increasing, discharges the pulling force on pull ring 12, then the rebound of spring 15 is multiple
Position.
The upper end of composite insulator 2 is connected on conducting wire 1 or on the frame of conductor spacer 6 by the first fitting, such as Fig. 3 and
Shown in Fig. 4, for the first fitting in the link position on conducting wire 1 at the minimum arc sag point of conducting wire sag, wirerope draws the upper end of cable 3
The lower end of composite insulator 2 is connected to by the second fitting, wirerope draws the lower end of cable 3 to be fixedly connected on suspension spring damper
On pull ring 12 on 4 flexible suspension, wirerope draw cable 3 be straightened under the action of suspension spring 4 spring force of damper and with ground
Face is vertical.
The main function of suspension spring damper 4 is the instantaneous impact offset when conducting wire 1 is waved, the i.e. wink of conductor galloping
When uplift force, and prevent the line-outage contingency etc. in the case where rigidly drawing the effect of cable Hard link；Suspension spring damper 4 needs to be greater than maximum
The tension intensity of uplift force, while meeting the safety coefficient of three times.
As shown in Figure 3 and Figure 4, the first fitting includes that the first U-shaped link 70, the first yoke plate 80, right angle hanging plate 9 and bulb are hung
Plate 10, wherein the first U-shaped link 70 is mounted at the minimum arc sag point of conducting wire 1 or on the frame of conductor spacer 6, the first U-shaped link
70 open end is successively connect with the first yoke plate 80, right angle hanging plate 9 and ball-clevis 10, the open end of ball-clevis 10 with it is compound
Insulator 2 connects.
Second fitting include the second U-shaped link 71, the second yoke plate 81 and socket-clevis eye 11, wherein composite insulator 2 it is another
One end is successively connect with socket-clevis eye 11, the second yoke plate 81 and the second U-shaped link 71, the free end of the second U-shaped link 71 and steel
Cord draws cable 3 to connect.
In the present embodiment, composite insulator 2 is the composite insulator string that multiple composite insulators are combined into, single compound exhausted
The upper end of edge 2 is steel cap, and lower end is bulb, and the bulb card slot to match with bulb, single compound inslation are provided on steel cap
The bulb of the lower end of son 2 is caught in the bulb card slot on the adjacent 2 steel cap of composite insulator in lower end Nei and with pin solid lock
Two composite insulators 2 are concatenated, multiple composite insulators 2 are sequentially connected in series to form composite insulator string to increase insulation
Grade；Composite insulator string dielectric strength wants a high grade compared to route nominal voltage.
The bulb end bulb of ball-clevis 10 is caught in the bulb card slot of the upper end of composite insulator 2 or composite insulator string
It is interior and by pin solid lock, so that ball-clevis 10 and the upper end of composite insulator 2 be made to fix；The other end of ball-clevis 10 with
One end of right angle hanging plate 9 is bolted, and the other end of right angle hanging plate 9 is connect by bolt with one end of yoke plate 8, U-shaped extension
Ring 7 is held on conducting wire 1 or on the frame of conductor spacer 6, and the other end of yoke plate 8 is logical by the open end of bolt and U-shaped link 7
It crosses and is bolted.
Wirerope draws cable 3 mainly connection composite insulator 2 and suspension spring damper 4, and tension intensity is greater than conducting wire 1 most
Big uplift force, and meet the safety coefficient of three times.Wirerope draws the upper end of cable 3 to be connected to the U-shaped link 7 under composite insulator 2
Annular groove in, wirerope is drawn on the pull ring 12 that is connected to of lower end of cable 3, and adjustment wirerope draws the length of cable 3, and wirerope is made to draw cable
3 are straightened and perpendicular to ground, and due to the spring-force driven dual of spring 15, wirerope draws cable 3 to pull and support with regard to elasticity at conducting wire 1 or interval
Damping action is played to waving for conducting wire 1 when about 1 conducting wire is waved in the lower section of stick 6, and buffering conducting wire 1 is waved.In this reality
It applies in example, it is desirable that the intensity of related fitting is less than the uplift force of three times safety coefficient, meets 90%, in the limiting case may be used
Fracture, to prevent conductor spacer 6, conducting wire 1, shaft tower etc. from being broken by external force or tower.
Claims (10)
1. a kind of anti-dancing device of New Damping type, which is characterized in that including wirerope draw cable (3), suspension spring damper (4) and
Gravity type concrete foundation (5), wherein one end of suspension spring damper (4) is mounted on gravity type concrete foundation (5),
At the minimum arc sag point for the arc sag that the other end draws cable (3) to be mounted on conducting wire (1) by wirerope or between being fixed on conducting wire (1)
Every on the frame of stick (6).
2. a kind of anti-dancing device of New Damping type according to claim 1, which is characterized in that suspension spring damper (4)
Including shell (13), pull rod (14), spring (15), pressing plate (16) and rotating nuts (17), wherein shell (13) is U-shaped structure,
One end of pull rod (14) passes through the top of shell (13) and is placed in the outside of shell (13) and connect with wirerope drawing cable (3), pull rod
(14) the other end is placed in the inner cavity of shell (13), meanwhile, spring (15), pressing plate (16) and rotation are successively set in the section
Nut (17)；
The two sides of the open end of shell (13), which are provided with, picks up the ears, and realizes the company with gravity type concrete foundation (5) by picking up the ears
It connects.
3. a kind of anti-dancing device of New Damping type according to claim 2, which is characterized in that pull rod (14) and wirerope are drawn
Pull ring (12) are provided between cable (3).
4. a kind of anti-dancing device of New Damping type according to claim 1, which is characterized in that wirerope draws cable (3) and leads
Composite insulator (2) are provided between line (1).
5. a kind of anti-dancing device of New Damping type according to claim 1, which is characterized in that composite insulator (2) it is upper
End is connected on conducting wire (1) or is fixed on by the first fitting on the frame of the conductor spacer (6) on conducting wire (1).
6. a kind of anti-dancing device of New Damping type according to claim 5, which is characterized in that the first fitting includes the first U
Type link (70), the first yoke plate (80), right angle hanging plate (9) and ball-clevis (10), wherein the first U-shaped link (70) is mounted on
At the minimum arc sag point of conducting wire (1) or on the frame of conductor spacer (6), the open end of the first U-shaped link (70) is successively with first
Plate (80), right angle hanging plate (9) and ball-clevis (10) connection, the open end of ball-clevis (10) is connect with composite insulator (2).
7. a kind of anti-dancing device of New Damping type according to claim 4, which is characterized in that wirerope draws cable (3) and multiple
It closes and is connected between insulator (2) by the second fitting.
8. a kind of anti-dancing device of New Damping type according to claim 7, which is characterized in that the second fitting includes the 2nd U
Type link (71), the second yoke plate (81) and socket-clevis eye (11), wherein the other end of composite insulator (2) is successively hung with bowl head
Plate (11), the second yoke plate (81) and the second U-shaped link (71) connection, the free end of the second U-shaped link (71) and wirerope draw cable
(3) it connects.
9. a kind of anti-dancing device of New Damping type according to claim 4, which is characterized in that the one of composite insulator (2)
End is steel cap structure, and the other end is ball head structure；The steel cap structure is provided with bulb card slot on end.
10. a kind of anti-dancing device of New Damping type according to claim 9, which is characterized in that composite insulator (2) setting
There are several, be connected in series between several composite insulators (2), is placed in the ball head structure card of the composite insulator (2) of upper end
In the bulb card slot on the composite insulator (2) for being placed in lower end, and pass through pin solid lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910544994.6A CN110137889A (en) | 2019-06-21 | 2019-06-21 | A kind of anti-dancing device of New Damping type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910544994.6A CN110137889A (en) | 2019-06-21 | 2019-06-21 | A kind of anti-dancing device of New Damping type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110137889A true CN110137889A (en) | 2019-08-16 |
Family
ID=67578984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910544994.6A Pending CN110137889A (en) | 2019-06-21 | 2019-06-21 | A kind of anti-dancing device of New Damping type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110137889A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112554945A (en) * | 2020-11-19 | 2021-03-26 | 浙江上风高科专风实业股份有限公司 | Multi-protection anti-seismic hanging bracket for preventing carrying pole beam from falling |
| CN114825232A (en) * | 2022-04-29 | 2022-07-29 | 国网山东省电力公司招远市供电公司 | Emergent controlling means that ends dance of transmission line |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201639245U (en) * | 2010-04-19 | 2010-11-17 | 河北省电力研究院 | Spherically seated transmission conductor galloping prevention energy storing device |
| CN201797285U (en) * | 2010-04-19 | 2011-04-13 | 河北省电力研究院 | Device for preventing vibration of power transmission line |
| CN204947532U (en) * | 2015-08-14 | 2016-01-06 | 国网山东省电力公司烟台供电公司 | A kind of inter-phase spacer dual spring damping device |
| CN105370084A (en) * | 2015-11-24 | 2016-03-02 | 中国电力科学研究院 | Transmission tower made of weathering resistant steels |
| CN209948628U (en) * | 2019-06-21 | 2020-01-14 | 陕西臻源电力科技服务有限公司 | Novel damping type anti-galloping device |
-
2019
- 2019-06-21 CN CN201910544994.6A patent/CN110137889A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201639245U (en) * | 2010-04-19 | 2010-11-17 | 河北省电力研究院 | Spherically seated transmission conductor galloping prevention energy storing device |
| CN201797285U (en) * | 2010-04-19 | 2011-04-13 | 河北省电力研究院 | Device for preventing vibration of power transmission line |
| CN204947532U (en) * | 2015-08-14 | 2016-01-06 | 国网山东省电力公司烟台供电公司 | A kind of inter-phase spacer dual spring damping device |
| CN105370084A (en) * | 2015-11-24 | 2016-03-02 | 中国电力科学研究院 | Transmission tower made of weathering resistant steels |
| CN209948628U (en) * | 2019-06-21 | 2020-01-14 | 陕西臻源电力科技服务有限公司 | Novel damping type anti-galloping device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112554945A (en) * | 2020-11-19 | 2021-03-26 | 浙江上风高科专风实业股份有限公司 | Multi-protection anti-seismic hanging bracket for preventing carrying pole beam from falling |
| CN114825232A (en) * | 2022-04-29 | 2022-07-29 | 国网山东省电力公司招远市供电公司 | Emergent controlling means that ends dance of transmission line |
| CN114825232B (en) * | 2022-04-29 | 2024-02-09 | 国网山东省电力公司招远市供电公司 | Emergency anti-galloping control device for power transmission line |
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