CN110416954A - A kind of iron tower of power transmission line waves damping device - Google Patents
A kind of iron tower of power transmission line waves damping device Download PDFInfo
- Publication number
- CN110416954A CN110416954A CN201910757424.5A CN201910757424A CN110416954A CN 110416954 A CN110416954 A CN 110416954A CN 201910757424 A CN201910757424 A CN 201910757424A CN 110416954 A CN110416954 A CN 110416954A
- Authority
- CN
- China
- Prior art keywords
- shell
- transmission line
- power transmission
- damping device
- level
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 238000013016 damping Methods 0.000 title claims abstract description 66
- 230000005540 biological transmission Effects 0.000 title claims abstract description 45
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 27
- 239000010959 steel Substances 0.000 claims abstract description 27
- 239000012212 insulator Substances 0.000 claims abstract description 16
- 230000005611 electricity Effects 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims description 29
- 229910052751 metal Inorganic materials 0.000 claims description 29
- 239000003921 oil Substances 0.000 claims description 23
- 239000010720 hydraulic oil Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 4
- 230000035515 penetration Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 239000004020 conductor Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 125000006850 spacer group Chemical group 0.000 description 4
- 239000000306 component Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005303 weighing 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
- H02G7/14—Arrangements or devices for damping mechanical oscillations of lines, e.g. for reducing production of sound
Abstract
The invention discloses a kind of iron tower of power transmission line to wave damping device, the bottom end that the iron tower of power transmission line waves damping device is attached by one end of lower ball-eye and insulator chain, the other end of the insulator chain is connected on conducting wire by wire clamp, and the iron tower of power transmission line is waved damping device upper end and is attached by steel tower cross-arm connection sectorial structure with steel tower cross-arm.Damping spring is the carrier for absorbing dynamic force of the transmission line of electricity because waving generation, and when route is waved, damping effect is played in damping device work, and protection spring and hydraulic stem cooperate.
Description
Technical field
The present invention relates to a kind of damping device, specially a kind of iron tower of power transmission line waves damping device, belongs to power transmission line
Road technique field.
Background technique
Transmission line wire is waved a kind of low frequency that be eccentric ice coating wire generate under wind excitation, large amplitude self-excited vibration
Phenomenon.Transmission line of electricity is waved, and gently then causes alternate flashover, damage ground wire and conducting wire, heavy then line tripping has a power failure, breaks,
The accidents such as tower seriously threaten the safe and stable operation of power grid, cause heavy economic losses.
In terms of waving prevention and treatment, existing research measure mostly to install conductor spacer additional, new route is avoided easily waving area, steel tower adds
Gu reinforcement etc. is started with.The major measure that conductor spacer is current anti-dance is installed additional every a distance on conducting wire, but traditional
Conductor spacer damping effect is limited, and inhibitory effect is unobvious, and some Novel spacers have cushioning effect, and damping effect is preferable,
But since its core component is mostly metal material, insulation performance is difficult to ensure.Avoid easily waving area suitable for planning new line rule
It is accounted for when drawing, be not suitable for existing route waves prevention and treatment.And although anti-dance performance can be improved after steel tower reinforcement, this
Kind improve cost it is larger, and and not all steel tower be suitable for being transformed.
In conclusion it is existing research respectively have it is excellent lack, and not in view of to iron tower of power transmission line wave damping research.It can be
It installs iron tower of power transmission line between insulator chain and steel tower cross-arm hanging point additional and waves damping device, reduce power transmission line to a certain extent
The load that road steel tower is born in conductor galloping, to weaken destruction of the conductor galloping to steel tower to the full extent.
Summary of the invention
The object of the invention is that providing a kind of iron tower of power transmission line to solve the above-mentioned problems waves damping device.
The present invention wraps through the following technical solutions to achieve the above objectives: a kind of iron tower of power transmission line waves damping device
Include iron tower of power transmission line and wave the bottom end of damping device and be attached by one end of lower ball-eye and insulator chain, it is described absolutely
The other end of edge substring is connected on conducting wire by wire clamp, and the iron tower of power transmission line waves damping device upper end and passes through steel tower cross
Load connection sectorial structure is attached with steel tower cross-arm；
The iron tower of power transmission line is waved damping device and is made of upper ball-eye, U-shaped ring, screw bolt and nut and steel tower cross
The connection structure of load, and upper ball-eye lower end is connected with iron tower of power transmission line and waves damping device, the iron tower of power transmission line
Damping device is waved not only and includes the level-one shell connecting at steel tower cross-arm and the secondary shell connecting with insulator chain top,
And be connected by ball-eye with insulator chain including hydraulic device, damping spring and protection spring, whole device, described one
Grade shell and secondary shell outer end are equipped with level-one baffle and secondary shell baffle, and the hydraulic device is by sealing ring, piston
Bar, piston, pressure valve, the first oil guiding hole and the second oil guiding hole are constituted, and hydraulic device is mounted on level-one shell and secondary shell
Inside.
As further scheme of the invention: having a pressure valve in the hydraulic device, pressure valve is located at piston
Underface, and its oil guiding hole is all individual event conducting, i.e., the first oil guiding hole can only allow hydraulic oil to flow to rodless cavity from rod chamber, the
Two oil guiding holes can only allow hydraulic oil to flow to rod chamber from rodless cavity, and the first oil guiding hole and two oil guiding holes are symmetrical about piston rod.
As further scheme of the invention: the level-one shell and secondary shell are mounted on the outside of hydraulic device, and
Level-one shell is located above secondary shell, and when transmission line of electricity is not waved or occurs slightly to wave, i.e. device stress is not up to
When a certain threshold value, level-one shell and secondary shell be not movable.
As the present invention further scheme: the damping spring and protection both ends of the spring respectively with I and II shell
It is welded and fixed, and damping spring is connected to inside level-one shell and secondary shell, protection spring is mounted on level-one hull outside.
As further scheme of the invention: there are four metal bump, four metal protuberances on the secondary shell head
It is distributed in 90 °, there are four the groove through body and four metal bumps pair with secondary shell head at level-one shell body
It answers, body also has same structure inside same level-one housing head and secondary shell.
As further scheme of the invention: the metal bump, which is limited in the groove of body, to be moved, and metal
Protrusion is placed on secondary shell head, and metal outer lug and metal bump are in position corresponding relationship on level-one shell.
As further scheme of the invention: the groove is in pass through with metal outer lug on level-one shell and metal bump
Formula connection is worn, groove is greater than protrusion.
Compared with prior art, the beneficial effects of the present invention are:
The present invention waves damping device according to claim, and damping spring is to absorb transmission line of electricity to generate because waving
Dynamic force carrier, when route is waved, damping effect is played in damping device work, and protection spring and hydraulic stem are assisted
With work, protection is provided for damping device, is that the important component for guaranteeing route and operating normally is waved when route operates normally
Damping device remains stationary, when only when route is waved so that the unbalanced tensile force that conducting wire generates being greater than a certain threshold value,
Energy trigger device is protected, this waves the use of damper, can weaken longitudinal unbalance tension pair when conducting wire is waved
The effect of steel tower is equivalent to electric power pylon load-carrying properties when improving conductor galloping.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is present invention connection steel tower cross-arm structural schematic diagram；
Fig. 3 is connecting insulator string structure schematic diagram of the present invention；
Fig. 4 is hydraulic connecting device simplified structure diagram of the present invention；
Fig. 5 connect sectorial structure schematic diagram with steel tower cross-arm for the present invention；
Fig. 6 is mounting structure schematic diagram of the present invention on tangent tower；
Fig. 7 is present invention structural schematic diagram on anchor support.
In figure: 1, level-one shell, 2, secondary shell, 3, level-one baffle, 4, secondary shell baffle, 5, the hydraulic dress in axle center
It sets, 6, damping spring, 7, protection spring, 8, lower ball-eye, 9, upper ball-eye, 10, U-shaped ring, 11, groove, 12, outside metal
Protrusion, 13, metal bump, 14, sealing ring, 15, piston rod, 16, piston, 17, pressure valve, the 18, first oil guiding hole, 19, second
Oil guiding hole, 20, bolt, 21, nut, 22, steel tower cross-arm, 23, insulator chain, 24, wire clamp, 25, conducting wire are 26, wire jumper and 27, defeated
Electric line steel tower waves damping device.
Specific embodiment
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 description, 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.
Please refer to Fig. 1~7, a kind of iron tower of power transmission line waves damping device, including iron tower of power transmission line waves damping dress
Set 27, it is characterised in that: the bottom end that the iron tower of power transmission line waves damping device 27 passes through lower ball-eye 8 and insulator chain
23 one end is attached, and the other end of the insulator chain 23 is connected on conducting wire 25 by wire clamp 24, the transmission line of electricity
Steel tower is waved 27 upper end of damping device and is attached by steel tower cross-arm connection sectorial structure with steel tower cross-arm 22；
The iron tower of power transmission line waves damping device 27 by upper ball-eye 9,21 structure of U-shaped ring 10, bolt 20 and nut
At the connection structure with steel tower cross-arm 22, and 9 lower end of upper ball-eye is connected with iron tower of power transmission line and waves damping device 27, institute
State iron tower of power transmission line and wave damping device 27 not only include the level-one shell 1 being connect with steel tower cross-arm 22 and with insulator chain 23
The secondary shell 2 of top connection, and hung including hydraulic device 5, damping spring 6 and protection spring 7, whole device by bulb
Ring 8 is connected with insulator chain 23, and the level-one shell 1 and 2 outer end of secondary shell are equipped with level-one baffle 3 and secondary shell gear
Plate 4, the hydraulic device 5 is by sealing ring 14, piston rod 15, piston 16, pressure valve 17, the first oil guiding hole 18 and the second oil guiding hole
19 are constituted, and hydraulic device 5 is mounted on the inside of level-one shell 1 and secondary shell 2.
Further, in embodiments of the present invention, there is a pressure valve 17 in the hydraulic device 5, pressure valve 17 is located at
The underface of piston 16, and its oil guiding hole is all individual event conducting, i.e., the first oil guiding hole 18 can only allow hydraulic oil from rod chamber stream
To rodless cavity, the second oil guiding hole 19 can only allow hydraulic oil to flow to rod chamber, the first oil guiding hole 18 and two oil guiding holes from rodless cavity
19 is symmetrical about piston rod 15, prevents hydraulic oil bidirectionally conductive, prevents the wasting of resources, and guarantee hydraulic device 5 it is working properly into
Row.
Further, in embodiments of the present invention, the level-one shell 1 is mounted on outside hydraulic device 5 with secondary shell 2
Side, and level-one shell 1 is located at the top of secondary shell 2, when transmission line of electricity is not waved or occurs slightly to wave, i.e. device stress
Not up to a certain threshold value when, level-one shell 1 is not movable with secondary shell 2, thus guarantee route operate normally when safety.
Further, in embodiments of the present invention, the damping spring 6 and protection 7 both ends of spring respectively with I and II shell
Body is welded and fixed, and damping spring 6 is connected to inside level-one shell 1 and secondary shell 2, and protection spring 7 is mounted on level-one shell 1
Outside, to guarantee the stability that damping spring 6 is connect with protection spring 7, damping spring 6 is responsible for energy-dissipating and shock-absorbing, by protection bullet
Spring 7 guarantees that level-one and secondary shell work normally, and the collision between shell does not occur, thus effectively extend the service life of shell,
Reduce the possibility repaired to the damping device.
Further, in embodiments of the present invention, there are four metal bump 13, four metals on 2 head of secondary shell
Protrusion 13 is distributed in 90 °, and there are four the groove 11 through body and four with 2 head of secondary shell at 1 body of level-one shell
Metal bump 13 is corresponding, and same 1 head of level-one shell and 2 inside body of secondary shell also have same structure, guarantees level-one
Shell 1 and secondary shell 2 share groove, economize on resources.
Further, in embodiments of the present invention, the metal bump 13 is limited in the groove 11 of body and moves, and
Metal bump 13 is placed on 2 head of secondary shell, and metal outer lug 12 and metal bump 13 are in position pair on level-one shell 1
It should be related to, prevent from twisting between level-one shell 1 and secondary shell 2.
Further, in embodiments of the present invention, the groove 11 and metal outer lug 12 on level-one shell 1 and metal are convex
It plays 13 to connect in penetration type, groove 11 is greater than protrusion, runs freely to ensure that protrusion can be stablized in groove 11.
Working principle: when waving damping device using the iron tower of power transmission line, damping spring 6 be absorb transmission line of electricity because
The carrier for waving the dynamic force of generation, when route is waved, damping effect is played in damping device work, protection spring 7 with
Hydraulic stem cooperates, and provides protection for damping device, is the important component for guaranteeing route and operating normally, when route operates normally
When, it waves damping device and remains stationary, only when route is waved so that the unbalanced tensile force that conducting wire generates is greater than a certain threshold
When value, ability trigger device is protected, this waves the use of damper, can be weakened longitudinal uneven when conducting wire 25 is waved
Effect of the weighing apparatus tension to steel tower, is equivalent to electric power pylon load-carrying properties when improving conductor galloping, guarantees on anchor support two
Wire jumper 26 between wire clamp 24 will not be broken.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of iron tower of power transmission line waves damping device, it is characterised in that: the iron tower of power transmission line waves damping device
(27) bottom end is attached by lower ball-eye (8) and one end of insulator chain (23), the insulator chain (23) it is another
One end is connected on conducting wire (25) by wire clamp (24), and the iron tower of power transmission line waves damping device (27) upper end and passes through steel tower
Cross-arm connection sectorial structure is attached with steel tower cross-arm (22)；
The iron tower of power transmission line waves damping device (27) by upper ball-eye (9), U-shaped ring (10), bolt (20) and nut
(21) connection structure with steel tower cross-arm (22) is constituted, and the upper ball-eye (9) lower end is connected with iron tower of power transmission line dance
Dynamic damping device (27), it not only includes the level-one connecting at steel tower cross-arm that the iron tower of power transmission line, which waves damping device (27),
Shell (1) and the secondary shell (2) being connect with insulator chain top, and including hydraulic device (5), damping spring (6) and prevent
It protects spring (7), whole device is connected by ball-eye (8) with insulator chain, the level-one shell (1) and secondary shell (2)
Outer end is equipped with level-one baffle (3) and secondary shell baffle (4), and the hydraulic device (5) is by sealing ring (14), piston rod
(15), piston (16), pressure valve (17), the first oil guiding hole (18) and the second oil guiding hole (19) are constituted, and hydraulic device (5) is installed
In the inside of level-one shell (1) and secondary shell (2).
2. a kind of iron tower of power transmission line according to claim 1 waves damping device, it is characterised in that: the hydraulic device
(5) there is a pressure valve (17) in, pressure valve (17) is located at the underface of piston (16), and its oil guiding hole is all individual event conducting,
That is the first oil guiding hole (18) can only allow hydraulic oil to flow to rodless cavity from rod chamber, and the second oil guiding hole (19) can only allow hydraulic oil
It is symmetrical about piston rod (15) that rod chamber, the first oil guiding hole (18) and two oil guiding holes (19) are flow to from rodless cavity.
3. a kind of iron tower of power transmission line according to claim 2 waves damping device, it is characterised in that: the level-one shell
(1) it is mounted on secondary shell (2) on the outside of hydraulic device (5), and level-one shell (1) is located above secondary shell (2), works as transmission of electricity
Route is not waved or occurs slightly to wave, i.e., when device stress is not up to a certain threshold value, level-one shell (1) and secondary shell
(2) not movable.
4. a kind of iron tower of power transmission line according to claim 1 waves damping device, it is characterised in that: the damping spring
(6) it is fixed respectively with I and II case weld with protection spring (7) both ends, and damping spring (6) is connected to level-one shell (1)
Internal with secondary shell (2), protection spring (7) is mounted on the outside of level-one shell (1).
5. a kind of iron tower of power transmission line according to claim 1 waves damping device, it is characterised in that: the secondary shell
(2) there are four metal bump (13), four metal protuberances (13) to be distributed in 90 ° on head, and there are four pass through at level-one shell (1) body
Wear the groove (11) of body and, same level-one shell (1) head corresponding with four metal bump (13) on secondary shell (2) head
Also there is same structure with the internal body of secondary shell (2).
6. a kind of iron tower of power transmission line as described in claim 5 waves damping device, it is characterised in that: the metal bump
(13) it is limited in movement in the groove (11) of body, and metal bump (13) is placed on secondary shell (2) head, and level-one
Metal outer lug (12) and metal bump (13) are in position corresponding relationship on shell (1).
7. a kind of iron tower of power transmission line as described in claim 6 waves damping device, it is characterised in that: the groove (11) with
Metal outer lug (12) is connected with metal bump (13) in penetration type on level-one shell (1), and groove (11) is greater than protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910757424.5A CN110416954A (en) | 2019-08-16 | 2019-08-16 | A kind of iron tower of power transmission line waves damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910757424.5A CN110416954A (en) | 2019-08-16 | 2019-08-16 | A kind of iron tower of power transmission line waves damping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110416954A true CN110416954A (en) | 2019-11-05 |
Family
ID=68367746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910757424.5A Pending CN110416954A (en) | 2019-08-16 | 2019-08-16 | A kind of iron tower of power transmission line waves damping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110416954A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110957689A (en) * | 2019-12-19 | 2020-04-03 | 江苏朗域电力科技有限公司 | Power cable prevents waving device |
| CN111641175A (en) * | 2020-06-29 | 2020-09-08 | 国网河北省电力有限公司电力科学研究院 | Self-adaptive damper |
| CN113696796A (en) * | 2021-08-27 | 2021-11-26 | 中车青岛四方机车车辆股份有限公司 | Contact net anti-galloping device and rail vehicle |
| CN114256796A (en) * | 2020-09-23 | 2022-03-29 | 国网湖北省电力有限公司电力科学研究院 | Hydraulic damping type damping device for preventing wind deflection of phase jumper wire on side of corner tower and using method thereof |
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| CN208430841U (en) * | 2018-04-18 | 2019-01-25 | 泉州惠安泉创文化用品有限公司 | A kind of novel power transmission frame |
| CN211183318U (en) * | 2019-08-16 | 2020-08-04 | 国家电网有限公司 | Transmission line iron tower galloping damping device |
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2019
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| CN202326901U (en) * | 2011-11-24 | 2012-07-11 | 代生丽 | Damping insulating device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110957689A (en) * | 2019-12-19 | 2020-04-03 | 江苏朗域电力科技有限公司 | Power cable prevents waving device |
| CN110957689B (en) * | 2019-12-19 | 2022-02-01 | 江苏朗域电力科技有限公司 | Power cable prevents waving device |
| CN111641175A (en) * | 2020-06-29 | 2020-09-08 | 国网河北省电力有限公司电力科学研究院 | Self-adaptive damper |
| CN114256796A (en) * | 2020-09-23 | 2022-03-29 | 国网湖北省电力有限公司电力科学研究院 | Hydraulic damping type damping device for preventing wind deflection of phase jumper wire on side of corner tower and using method thereof |
| CN113696796A (en) * | 2021-08-27 | 2021-11-26 | 中车青岛四方机车车辆股份有限公司 | Contact net anti-galloping device and rail vehicle |
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