CN106786290B - A kind of pendulous device for preventing ground wire and falling and breaking - Google Patents
A kind of pendulous device for preventing ground wire and falling and breaking Download PDFInfo
- Publication number
- CN106786290B CN106786290B CN201611235740.9A CN201611235740A CN106786290B CN 106786290 B CN106786290 B CN 106786290B CN 201611235740 A CN201611235740 A CN 201611235740A CN 106786290 B CN106786290 B CN 106786290B
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- Prior art keywords
- ground wire
- angle steel
- string
- falling
- tower
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- 239000000725 suspension Substances 0.000 claims abstract description 32
- 229910000831 Steel Inorganic materials 0.000 claims description 59
- 239000010959 steel Substances 0.000 claims description 59
- 238000009434 installation Methods 0.000 claims description 3
- 230000002265 prevention Effects 0.000 abstract description 9
- 230000001681 protective effect Effects 0.000 abstract description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 4
- 239000010931 gold Substances 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001131 transforming effect 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
- H02G7/05—Suspension arrangements or devices for electric cables or lines
Landscapes
- Electric Cable Installation (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The present invention relates to a kind of pendulous devices for preventing ground wire and falling and breaking, and belong to electric power protective device structure technical field.Including earth wire support and connection tower hardware string, the both sides of connection tower hardware string join tower auxiliary string there are one being all provided with, one end that connection tower hardware string, connection tower auxiliary are gone here and there is mounted on porous yoke plate, the both sides of porous yoke plate are symmetrically installed with suspension clamp, the ground wire that preformed connecting strip is wound on length direction is clamped in suspension clamp, the lower section of ground wire is equipped with preformed armor rods assistant strip, the both ends of preformed armor rods assistant strip are wound on the ground wire on the outside of suspension clamp, and preformed armor rods assistant strip is equipped with arc sag in the lower section of suspension clamp.Smart structural design of the present invention, it is simple and effective, the stranded probability of ground wire aeolian vibration can be effectively reduced, effectively prevention ground wire is stranded, breaks, and preformed armor rods assistant strip is avoided to wear ground wire with ground wire turnoff, reaches life cycle management design.
Description
Technical field
The present invention relates to a kind of pendulous devices for preventing ground wire and falling and breaking, and belong to electric power protective device structure technology neck
Domain.
Background technology
At present, tangent tower Midspan sag and expressway, grid company requirement ground wire suspension string duplex is double to hang（Duplex is double to hang,
I.e.：The insulator chain of two independences of yoke plate is removed in ground connection end side, is suspended to respectively on conducting wire cross-arm thread gripping-board）, it is ensured that safety.When
The adjacent span of shaft tower has big difference, suspension string duplex unbalance stress, will lead to the earth wire support of original shaft tower by additional torque,
Beyond former design condition, if transforming a ground wire hanging point of the earth wire support of original shaft tower as two ground wire hanging points, ground wire is hung
Point is suitable for coordinating with UB hanging plates, can not coordinate with U-shaped link；If preformed armor rods assistant strip is in direct contact with ground wire turnoff, can
Ground wire can be worn due to hurricane or icing are waved, cause security risk.
Invention content
In place of solving above-mentioned the shortcomings of the prior art, a kind of smart structural design is provided,
It is simple and effective, solve tradition " duplex double hang " and have big difference in the adjacent span of shaft tower, under nominal situation beyond former design condition
The defects of, and the stranded probability of ground wire aeolian vibration can be effectively reduced, effectively prevention ground wire is stranded, breaks, and avoids preformed armor rods auxiliary
Item is helped to wear ground wire with ground wire turnoff, reaches the pendulous device that the prevention ground wire of life cycle management design falls and breaks.
The present invention is achieved through the following technical solutions：
A kind of pendulous device for preventing ground wire and falling and breaking, it is characterised in that including earth wire support 1 and be installed on ground wire
The connection tower hardware string 2 at 1 intermediate position of stent, the both sides of connection tower hardware string 2 are all provided with, there are one connection tower auxiliary string 3, joining tower hardware string
2nd, one end of connection tower auxiliary string 3 is mounted on porous yoke plate 4, and the both sides of porous yoke plate 4 are symmetrically installed with suspension clamp 5, hang
The ground wire 6 that preformed connecting strip 7 is wound on length direction is clamped in vertical line folder 5, the lower section of ground wire 6 is assisted equipped with preformed armor rods
Item 8, the both ends of preformed armor rods assistant strip 8 are wound on the ground wire 6 in 5 outside of suspension clamp, and preformed armor rods assistant strip 8 is in suspension clamp 5
Lower section be equipped with arc sag；
The earth wire support 1 includes two angle steel 9 and to be installed on the short orthogonal angle steel 10 of the lower section of angle steel 9, length orthogonal side by side
Angle steel 11, the both ends of parallel with the growing orthogonal angle steel 11 and long orthogonal angle steel 11 of short orthogonal angle steel 10 all extend to short orthogonal angle steel
Outside 10 length directions；
Described two side by side angle steel 9 be integrated by the installation of fastening bolt 12, short orthogonal angle steel 10, long orthogonal angle steel 11 are logical
Fastening bolt 12 is crossed to be fixed on angle steel 9；
The tower hardware string 2 includes the ZBS hanging plates 13 for being installed on long orthogonal 11 middle position of angle steel and is hung with ZBS
The ZBD hanging plates 14 that plate 13 is connected, one end of ZBD hanging plates 14 are installed on porous yoke plate 4；
The tower auxiliary string 3 includes the first U-shaped link 15 and the first U-shaped link that are installed on long orthogonal angle steel 11
The 15 extension rings 16 being connected, the second U-shaped link 17 being connected with extending ring 16；
Mounting hole 18 and three hanging wire holes 19 there are two being set on the orthogonal angle steel 11 of length；
The length of described two tower auxiliary strings 3 is identical and is all higher than the length of connection tower hardware string 2, connection tower hardware string 2
Length is 100-200mm, and the length of two connection tower auxiliary strings 3 is 150-300mm；
Spacing between the tower auxiliary string 3, connection tower hardware string 2 is 100-200mm；
The both ends of the preformed armor rods assistant strip 8 are wound on the ground wire 6 in 5 outside of suspension clamp, and preformed armor rods assistant strip 8 is with twining
The preformed connecting strip 7 outside ground wire 6 is around in partly overlap.
The present invention can generate following good effect compared with the prior art：
1st, for the straight line pole earth wire support of existing operation, the short orthogonal angle steel in one, outside is changed to long orthogonal angle
Steel, and two mounting holes and three hanging wire holes are reserved in the orthogonal angle steel of length, realize that the single hanging point structure of ground wire pendency is three hanging point knots
Structure lays the first stone for ground wire pendency " three or three hang " design concept；
2nd, for the straight line pole ground wire pendulous device of existing operation, " three or three hang " design concept is taken, in normal work
Only join tower hardware string stress under condition, realize " the duplex list extension " of double suspension clamps；Two connection tower auxiliary strings are designed as " soft company
Connect ", it does not stress in normal conditions, the ability stress only after connection tower hardware string breaks connection realizes duplex tower auxiliary string and double pendencys
" duplex double hang " of wire clamp, have big difference so as to solve tradition " duplex is double to hang " in the adjacent span of shaft tower, suspension string duplex by
Power is uneven, leads to the earth wire support of original shaft tower by additional torque, the defects of under nominal situation beyond former design condition；
3rd, preformed connecting strip substitutes aluminium armor tape, effectively prevents the stranded phenomenon of ground wire aeolian vibration；
4th, preformed armor rods assistant strip tightly wraps the ground wire on the outside of two suspension clamps respectively, and arc is equipped with below two suspension clamps
It hangs down, prevention ground wire is stranded, broken string；
5th, preformed armor rods assistant strip should be Chong Die with preformed connecting strip, avoids preformed armor rods assistant strip with ground wire turnoff because of hurricane
Or icing is waved and wears ground wire.
The pendulous device that a kind of prevention ground wire of the present invention falls and breaks, the ground wire being made of two Length discrepancy angle steel hang
Hang down three hanging points, can join tower gold utensil with single hanging point（UB hanging plates）Cooperation, also can be with connection tower gold utensil on the outside of three hanging points（U-shaped link）Match
It closes；Two connection tower auxiliary strings are designed as " being flexible coupling ", have both solved the earth wire support that tradition " duplex is double to hang " is likely to occur and have been asked by torsion
Topic, and " duplex is double to hang " or dual fail-safe can be realized after connection tower hardware string breaks connection；Preformed armor rods assistant strip can effectively avoid ground wire and break
Line；Preformed armor rods assistant strip is Chong Die with preformed connecting strip effectively to avoid abrasion ground wire；So as to which ground wire suspension string be made to reach the life-cycle
Cycle design theory resists various bad working environments, it is ensured that power grid is more safe and reliable, therefore, power domain have compared with
High application value.
Description of the drawings
Fig. 1：A kind of structure diagram of pendulous device for preventing ground wire and falling and breaking of the present invention；
Fig. 2：The side view of earth wire support of the present invention；
Fig. 3：The bottom view of Fig. 2；
Fig. 4：The structure diagram of present invention connection tower hardware string；
Fig. 5：The side view of Fig. 4；
Fig. 6：The structure diagram of present invention connection tower auxiliary string；
Fig. 7：The side view of Fig. 6.
In figure：1st, earth wire support；2nd, join tower hardware string；3rd, connection tower auxiliary string；4th, porous yoke plate；5. suspension clamp；6th,
Line；7th, preformed connecting strip；8th, preformed armor rods assistant strip；9th, angle steel；10th, short orthogonal angle steel；11st, long orthogonal angle steel；12nd, spiral shell is fastened
Bolt；13rd, ZBS hanging plates；14th, ZBD hanging plates；15th, the first U-shaped link；16th, extend ring；17th, the second U-shaped link；18th, mounting hole；
19th, hanging wire hole.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, the every other implementation that those of ordinary skill in the art are obtained under the premise of no creative work
Example, shall fall within the protection scope of the present invention.
Embodiment 1：With reference to figure 1-7.The pendulous device that a kind of prevention ground wire of the present embodiment falls and breaks, including ground wire
Stent 1, connection tower hardware string 2, connection tower auxiliary string 3, porous yoke plate 4, suspension clamp 5, ground wire 6, preformed connecting strip 7, preformed armor rods
Assistant strip 8, angle steel 9, short orthogonal angle steel 10, long orthogonal angle steel 11, fastening bolt 12, ZBS hanging plates 13, ZBD hanging plates 14, the first U
Type link 15 extends ring 16, the second U-shaped link 17, mounting hole 18, hanging wire hole 19.
Connection relation is installed：Including earth wire support 1 and the connection tower hardware string 2 at 1 intermediate position of earth wire support is installed on, joins tower
The both sides of hardware string 2 are all provided with there are one connection tower auxiliary string 3, connection tower hardware string 2, connection tower auxiliary string 3 one end be mounted on it is porous
On yoke plate 4, the both sides of porous yoke plate 4 are symmetrically installed with suspension clamp 5, are clamped on length direction and are wound in suspension clamp 5
The ground wire 6 of preformed connecting strip 7（Winding state is as shown in L1 in attached drawing 1）, the lower section of ground wire 6 is equipped with preformed armor rods assistant strip 8, in advance
The both ends of hank knotting assistant strip 8 are wound on the ground wire 6 in 5 outside of suspension clamp, and preformed armor rods assistant strip 8 is in the lower section of suspension clamp 5
Equipped with arc sag；Earth wire support 1 includes two angle steel 9 and the short orthogonal angle steel 10, the long orthogonal angle steel that are installed below angle steel 9 side by side
11, the both ends of parallel with the growing orthogonal angle steel 11 and long orthogonal angle steel 11 of short orthogonal angle steel 10 all extend to short orthogonal angle steel 10 and grow
It spends outside direction；Two side by side angle steel 9 be integrated by the installation of fastening bolt 12, short orthogonal angle steel 10, long orthogonal angle steel 11 are logical
Fastening bolt 12 is crossed to be fixed on angle steel 9；The ZBS that connection tower hardware string 2 includes being installed on long orthogonal 11 middle position of angle steel is hung
Plate 13 and the ZBD hanging plates 14 being connected with ZBS hanging plates 13, one end of ZBD hanging plates 14 are installed on porous yoke plate 4；It is auxiliary to join tower
Help string 3 include the first U-shaped link 15 being installed on long orthogonal angle steel 11, the extension ring 16 being connected with the first U-shaped link 15,
The second U-shaped link 17 being connected with extending ring 16；Mounting hole 18 and three hanging wire holes 19 there are two being set on long orthogonal angle steel 11；
The length of two connection towers auxiliary string 3 is identical and is all higher than the length of connection tower hardware string 2, the length of connection tower hardware string 2 for 100~
200mm, the length of two connection tower auxiliary strings 3 is 150-300mm；Connection tower auxiliary string 3, the spacing joined between tower hardware string 2 are
100-200mm；The both ends of preformed armor rods assistant strip 8 are wound on the ground wire 6 in 5 outside of suspension clamp, preformed armor rods assistant strip 8 and winding
Preformed connecting strip 7 outside ground wire 6 partly overlaps（Lap is as shown in L2 in attached drawing 1）.
The pendulous device that the prevention ground wire of the present invention falls and breaks, takes " three or three hang " scheme（Three or three hang, i.e.,：
It is set on ground connection end side yoke plate there are three connection tower hardware string, is suspended to respectively on conducting wire cross-arm thread gripping-board）, connection tower hardware string is in normal work
Condition lower stress, i.e. " duplex list extension "（Duplex list is hung, i.e.,：Wire tension-resistant string is made of two insulators, is grounded on the yoke plate of end side
If there are one connection tower hardware string, it is suspended on conducting wire cross-arm thread gripping-board）；Connection tower auxiliary is gone here and there is between earth wire support and porous yoke plate
" being flexible coupling ", does not stress in normal conditions, and the ability stress only after connection tower hardware string breaks connection failure is realized " duplex is double to hang ".
The present invention mainly has the advantages that：
1st, for the straight line pole earth wire support of existing operation, the short orthogonal angle steel in 1, outside is changed to long orthogonal angle
Steel, and 2 mounting holes and 3 hanging wire holes are reserved in the orthogonal angle steel of length, realize that the single hanging point structure of ground wire pendency is three hanging point structures,
It lays the first stone for ground wire pendency " three or three hang " design concept.
2nd, for the straight line pole ground wire pendulous device of existing operation, " three or three hang " design concept is taken, in normal work
Only join tower hardware string stress under condition, realize " the duplex list extension " of double suspension clamps；Two connection tower auxiliary strings are designed as " soft company
Connect ", it does not stress in normal conditions, the ability stress only after connection tower hardware string breaks connection realizes duplex tower auxiliary string and double pendencys
" duplex double hang " of wire clamp, have big difference so as to solve tradition " duplex is double to hang " in the adjacent span of shaft tower, suspension string duplex by
Power is uneven, leads to the earth wire support of original shaft tower by additional torque, the defects of under nominal situation beyond former design condition.
3rd, preformed connecting strip substitutes aluminium armor tape, effectively prevents the stranded phenomenon of ground wire aeolian vibration.
4th, preformed armor rods assistant strip tightly wraps the ground wire on the outside of two suspension clamps respectively, and arc is equipped with below two suspension clamps
It hangs down, prevention ground wire is stranded, broken string；
5th, preformed armor rods assistant strip should be Chong Die with preformed connecting strip, avoids preformed armor rods assistant strip with ground wire turnoff because of hurricane
Or icing is waved and wears ground wire.
The pendulous device that a kind of prevention ground wire of the present invention falls and breaks, the ground wire being made of two Length discrepancy angle steel hang
Hang down three hanging points, can join tower gold utensil with single hanging point（UB hanging plates）Cooperation, also can be with connection tower gold utensil on the outside of three hanging points（U-shaped link）Match
It closes；Two connection tower auxiliary strings are designed as " being flexible coupling ", have both solved the earth wire support that tradition " duplex is double to hang " is likely to occur and have been asked by torsion
Topic, and " duplex is double to hang " or dual fail-safe can be realized after connection tower hardware string breaks connection；Preformed armor rods assistant strip can effectively avoid ground wire and break
Line；Preformed armor rods assistant strip is Chong Die with preformed connecting strip effectively to avoid abrasion ground wire；So as to which ground wire suspension string be made to reach the life-cycle
Cycle design theory resists various bad working environments, it is ensured that power grid is more safe and reliable.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of pendulous device for preventing ground wire and falling and breaking, it is characterised in that including earth wire support（1）And it is installed on ground wire
Stent（1）The connection tower hardware string at intermediate position（2）, join tower hardware string（2）Both sides be all provided with there are one connection tower auxiliary string（3）, connection
Tower hardware string（2）, connection tower auxiliary string（3）One end be mounted on porous yoke plate（4）On, porous yoke plate（4）Both sides symmetrically pacify
Equipped with suspension clamp（5）, suspension clamp（5）It is inside clamped on length direction and is wound with preformed connecting strip（7）Ground wire（6）,
Ground wire（6）Lower section be equipped with preformed armor rods assistant strip（8）, preformed armor rods assistant strip（8）Both ends be wound in suspension clamp（5）Outside
Ground wire（6）On, preformed armor rods assistant strip（8）In suspension clamp（5）Lower section be equipped with arc sag.
A kind of 2. pendulous device for preventing ground wire and falling and breaking described in accordance with the claim 1, it is characterised in that the ground wire
Stent（1）Including two angle steel side by side（9）And it is installed on angle steel side by side（9）The short orthogonal angle steel of lower section（10）, long orthogonal angle steel
（11）, short orthogonal angle steel（10）Angle steel orthogonal with length（11）Parallel and long orthogonal angle steel（11）Both ends all extend to it is short orthogonal
Angle steel（10）Outside length direction.
3. a kind of pendulous device for preventing ground wire and falling and breaking described in accordance with the claim 2, it is characterised in that described two
Angle steel side by side（9）Pass through fastening bolt（12）Installation is integrated, short orthogonal angle steel（10）, long orthogonal angle steel（11）By fastening spiral shell
Bolt（12）It is fixed on angle steel side by side（9）On.
A kind of 4. pendulous device for preventing ground wire and falling and breaking described in accordance with the claim 2, it is characterised in that the tower
Hardware string（2）Including being installed on long orthogonal angle steel（11）The ZBS hanging plates of middle position（13）And with ZBS hanging plates（13）It is connected
The ZBD hanging plates connect（14）, ZBD hanging plates（14）One end be installed on porous yoke plate（4）On.
A kind of 5. pendulous device for preventing ground wire and falling and breaking described in accordance with the claim 2, it is characterised in that the tower
Auxiliary string（3）Including being installed on long orthogonal angle steel（11）On the first U-shaped link（15）And the first U-shaped link（15）It is connected
Extension ring（16）And extend ring（16）The second U-shaped link being connected（17）.
6. a kind of pendulous device for preventing ground wire and falling and breaking described in accordance with the claim 2, it is characterised in that the length is just
Angle of cut steel（11）On set there are two mounting hole（18）And three hanging wire holes（19）.
7. a kind of pendulous device for preventing ground wire and falling and breaking described in accordance with the claim 1, it is characterised in that described two
Join tower auxiliary string（3）Length it is identical and be all higher than connection tower hardware string（2）Length, join tower hardware string（2）Length be 100-
200mm, two connection tower auxiliary strings（3）Length be 150-300mm.
A kind of 8. pendulous device for preventing ground wire and falling and breaking described in accordance with the claim 1, it is characterised in that the tower
Auxiliary string（3）, connection tower hardware string（2）Between spacing be 100-200mm.
9. a kind of pendulous device for preventing ground wire and falling and breaking described in accordance with the claim 1, it is characterised in that described preformed
Silk assistant strip（8）Both ends be wound in suspension clamp（5）The ground wire in outside（6）On, preformed armor rods assistant strip（8）With being wound in ground wire
（6）External preformed connecting strip（7）It partly overlaps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611235740.9A CN106786290B (en) | 2016-12-28 | 2016-12-28 | A kind of pendulous device for preventing ground wire and falling and breaking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611235740.9A CN106786290B (en) | 2016-12-28 | 2016-12-28 | A kind of pendulous device for preventing ground wire and falling and breaking |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106786290A CN106786290A (en) | 2017-05-31 |
| CN106786290B true CN106786290B (en) | 2018-07-03 |
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| CN201611235740.9A Expired - Fee Related CN106786290B (en) | 2016-12-28 | 2016-12-28 | A kind of pendulous device for preventing ground wire and falling and breaking |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN207691378U (en) * | 2017-07-25 | 2018-08-03 | 浙江泰昌实业有限公司 | Ground wire carrying out safety backup overhanging golden tool string |
| CN109406083B (en) * | 2018-11-08 | 2023-12-05 | 国网新疆电力有限公司电力科学研究院 | Suspension string hardware wind excitation vibration abrasion simulation test platform |
| CN109904820A (en) * | 2019-01-26 | 2019-06-18 | 上海神勇机械技术有限公司 | A kind of preformed carrying out safety backup wire clamp of pendency |
| CN110137884B (en) * | 2019-05-16 | 2024-05-10 | 中国能源建设集团南京线路器材有限公司 | Self-rotation suspension clamp for transmission line wire |
| CN111907377B (en) * | 2020-08-10 | 2021-08-31 | 国网四川省电力公司宜宾供电公司 | Contact net mount cable overspeed device tensioner and control alarm system thereof |
| CN112653057A (en) * | 2020-12-09 | 2021-04-13 | 贵州电网有限责任公司 | Novel suspension clamp |
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| JP2006050708A (en) * | 2004-08-02 | 2006-02-16 | Chubu Electric Power Co Inc | Thunder-resistant reinforcing wire for aerial wire and its design method, and thunder-resistant reinforcement method for the aerial wire |
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| JPH05292636A (en) * | 1992-04-09 | 1993-11-05 | Furukawa Electric Co Ltd:The | Suspension support for overhead transmission line |
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|---|---|
| CN106786290A (en) | 2017-05-31 |
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